1
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Zhang Q, Jiang Y, Zhang X, Wang Y, Ju R, Wei G. Injectable and Near-Infrared Light-Controllable Fibrin Hydrogels with Antimicrobial and Immunomodulating Properties for Infected Wound Healing. Biomater Res 2024; 28:0019. [PMID: 38938648 PMCID: PMC11210386 DOI: 10.34133/bmr.0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/14/2024] [Indexed: 06/29/2024] Open
Abstract
The management of infected wounds poses a significant challenge due to the growing issue of antibiotic resistance, underscoring the urgent necessity to innovate and implement alternative therapeutic strategies. These strategies should be capable of eliminating bacterial infections in infected wounds while circumventing the induction of multi-drug resistance. In the current study, we developed an easily prepared and injectable fibrin gel (FG) loaded with nanoparticles (NPs) that exhibit antibacterial and immunomodulatory properties to facilitate the healing of infected wounds. Initially, a novel type of NP was generated through the electrostatic interaction between the photothermal agent, mPEG-modified polydopamine (MPDA), and the nitric oxide (NO) donor, S-nitrosocysteamine (SNO). This interaction resulted in the formation of NPs referred to as SNO-loaded MPDA (SMPDA). Subsequently, the SMPDA was encapsulated into the FG using a double-barreled syringe, thereby producing the SMPDA-loaded FG (SMPDA/G). Experimental results revealed that SMPDA/G could effectively eliminate bacterial infections and alter the immune microenvironment. This efficacy is attributed to the synergistic combination of NO therapy and photothermal therapy, along with the role of SMPDA in facilitating M2 macrophage polarization within the gel. Accordingly, these findings suggest that the SMPDA/G holds substantial promise for clinical application in infected wound healing.
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Affiliation(s)
- Qing Zhang
- School of Life Science and Engineering,
Southwest Jiaotong University, Chengdu 610031, China
- Chengdu Women’s and Children’s Central Hospital, School of Medicine,
University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Yongxian Jiang
- Sichuan Provincial Maternity and Child Health Care Hospital, the Affiliated Women’s and Children’s Hospital of Chengdu Medical College, Chengdu 610041, China
| | - Xiaolong Zhang
- Chengdu Women’s and Children’s Central Hospital, School of Medicine,
University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Yi Wang
- School of Life Science and Engineering,
Southwest Jiaotong University, Chengdu 610031, China
| | - Rong Ju
- Chengdu Women’s and Children’s Central Hospital, School of Medicine,
University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Guoqing Wei
- Chengdu Women’s and Children’s Central Hospital, School of Medicine,
University of Electronic Science and Technology of China, Chengdu 611731, China
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2
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Aparicio-Blanco J, Vishwakarma N, Lehr CM, Prestidge CA, Thomas N, Roberts RJ, Thorn CR, Melero A. Antibiotic resistance and tolerance: What can drug delivery do against this global threat? Drug Deliv Transl Res 2024; 14:1725-1734. [PMID: 38341386 PMCID: PMC11052818 DOI: 10.1007/s13346-023-01513-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2023] [Indexed: 02/12/2024]
Abstract
Antimicrobial resistance and tolerance (AMR&T) are urgent global health concerns, with alarmingly increasing numbers of antimicrobial drugs failing and a corresponding rise in related deaths. Several reasons for this situation can be cited, such as the misuse of traditional antibiotics, the massive use of sanitizing measures, and the overuse of antibiotics in agriculture, fisheries, and cattle. AMR&T management requires a multifaceted approach involving various strategies at different levels, such as increasing the patient's awareness of the situation and measures to reduce new resistances, reduction of current misuse or abuse, and improvement of selectivity of treatments. Also, the identification of new antibiotics, including small molecules and more complex approaches, is a key factor. Among these, novel DNA- or RNA-based approaches, the use of phages, or CRISPR technologies are some potent strategies under development. In this perspective article, emerging and experienced leaders in drug delivery discuss the most important biological barriers for drugs to reach infectious bacteria (bacterial bioavailability). They explore how overcoming these barriers is crucial for producing the desired effects and discuss the ways in which drug delivery systems can facilitate this process.
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Affiliation(s)
- Juan Aparicio-Blanco
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, 28040, Madrid, Spain
| | - Nikhar Vishwakarma
- Department of Pharmacy, Gyan Ganga Institute of Technology and Sciences, Jabalpur, 482003, Madhya Pradesh, India
| | - Claus-Michael Lehr
- Department Drug Delivery across Biological Barriers (DDEL), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Saarbrücken, Germany
- Department of Pharmacy, Saarland University, Campus Building E8 1, 66123, Saarbrücken, Germany
| | - Clive A Prestidge
- Centre for Pharmaceutical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide, SA, 5000, Australia
| | - Nicky Thomas
- Centre for Pharmaceutical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide, SA, 5000, Australia
| | | | - Chelsea R Thorn
- Biotherapeutics Pharmaceutical Research and Development, Pfizer, Inc., 1 Burtt Road, Andover, MA, 01810, USA.
| | - Ana Melero
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, Faculty of Pharmacy, University of Valencia, 46100, Burjassot, Spain.
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3
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Wang J, Teong SP, Riduan SN, Armugam A, Lu H, Gao S, Yean YK, Ying JY, Zhang Y. Redox Active Zn@MOFs as Spontaneous Reactive Oxygen Species Releasing Antimicrobials. J Am Chem Soc 2024; 146:599-608. [PMID: 38109168 DOI: 10.1021/jacs.3c10411] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
The rapid development of antimicrobial resistance (AMR) among infectious pathogens has become a major threat and challenge in healthcare systems globally. A strategy distinct from minimizing the overuse of antimicrobials involves the development of novel antimicrobials with a mode of action that prevents the development of AMR microbial strains. Reactive oxygen species (ROS) are formed as a natural byproduct of the cellular aerobic metabolism. However, it becomes pathological when ROS is produced at excessive levels. Exploiting this phenomenon, research on redox-active bactericides has been demonstrated to be beneficial. Materials that release ROS via photodynamic, thermodynamic, and photocatalytic interventions have been developed as nanomedicines and are used in various applications. However, these materials require external stimuli for ROS release to be effective as biocides. In this paper, we report novel zinc-based metal organic framework (Zn@MOF) particles that promote the spontaneous release of active ROS species. The synthesized Zn@MOF spontaneously releases superoxide anions and hydrogen peroxide, exhibiting a potent antimicrobial efficacy against various microbes. Zn@MOF-incorporated plastic films and coatings show excellent, long-lasting antimicrobial potency even under continuous microbial challenge and an aging process. These disinfecting surfaces maintain their antimicrobial properties even after 500× surface wipes. Zn@MOF is also biocompatible and safe on the skin, illustrating its broad potential applications in medical technology and consumer care applications.
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Affiliation(s)
- Jinquan Wang
- Institute of Sustainability for Chemicals Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore
- Institute of Bioengineering and Bioimaging, A*STAR (Agency for Science, Technology and Research), 31 Biopolis Way, #07-01, The Nanos, 138669 Singapore
| | - Siew Ping Teong
- Institute of Sustainability for Chemicals Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore
- Institute of Bioengineering and Bioimaging, A*STAR (Agency for Science, Technology and Research), 31 Biopolis Way, #07-01, The Nanos, 138669 Singapore
| | - Siti Nurhanna Riduan
- Institute of Bioengineering and Bioimaging, A*STAR (Agency for Science, Technology and Research), 31 Biopolis Way, #07-01, The Nanos, 138669 Singapore
| | - Arunmozhiarasi Armugam
- Institute of Bioengineering and Bioimaging, A*STAR (Agency for Science, Technology and Research), 31 Biopolis Way, #07-01, The Nanos, 138669 Singapore
| | - Hongfang Lu
- NanoBio Lab, Institute of Materials Research and Engineering, A*STAR, 31 Biopolis Way, The Nanos, #09-01, 138669 Singapore
| | - Shujun Gao
- NanoBio Lab, Institute of Materials Research and Engineering, A*STAR, 31 Biopolis Way, The Nanos, #09-01, 138669 Singapore
| | - Yong Kin Yean
- NanoBio Lab, Institute of Materials Research and Engineering, A*STAR, 31 Biopolis Way, The Nanos, #09-01, 138669 Singapore
| | - Jackie Y Ying
- NanoBio Lab, Institute of Materials Research and Engineering, A*STAR, 31 Biopolis Way, The Nanos, #09-01, 138669 Singapore
- Bioengineering Department, King Fahd University of Petroleum & Minerals, Dharan 31261, Saudi Arabia
| | - Yugen Zhang
- Institute of Sustainability for Chemicals Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore
- Institute of Bioengineering and Bioimaging, A*STAR (Agency for Science, Technology and Research), 31 Biopolis Way, #07-01, The Nanos, 138669 Singapore
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4
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Jiao X, Liu B, Dong X, Wang S, Cai X, Zhang H, Qin Z. Exploring PLGA-OH-CATH30 Microspheres for Oral Therapy of Escherichia coli-Induced Enteritis. Biomolecules 2024; 14:86. [PMID: 38254686 PMCID: PMC10813405 DOI: 10.3390/biom14010086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/20/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Antibiotic therapy effectively addresses Escherichia coli-induced enteric diseases, but its excessive utilization results in microbial imbalance and heightened resistance. This study evaluates the therapeutic efficacy of orally administered poly (lactic-co-glycolic acid) (PLGA)-loaded antimicrobial peptide OH-CATH30 microspheres in murine bacterial enteritis. Mice were categorized into the healthy control group (CG), untreated model group (MG), OH-CATH30 treatment group (OC), PLGA-OH-CATH30 treatment group (POC), and gentamicin sulfate treatment group (GS). Except for the control group, all other experimental groups underwent Escherichia coli-induced enteritis, followed by a 5-day treatment period. The evaluation encompassed clinical symptoms, intestinal morphology, blood parameters, inflammatory response, and gut microbiota. PLGA-OH-CATH30 microspheres significantly alleviated weight loss and intestinal damage while also reducing the infection-induced increase in spleen index. Furthermore, these microspheres normalized white blood cell count and neutrophil ratio, suppressed inflammatory factors (IL-1β, IL-6, and TNF-α), and elevated the anti-inflammatory factor IL-10. Analysis of 16S rRNA sequencing results demonstrated that microsphere treatment increased the abundance of beneficial bacteria, including Phocaeicola vulgatus, in the intestinal tract while concurrently decreasing the abundance of pathogenic bacteria, such as Escherichia. In conclusion, PLGA-OH-CATH30 microspheres have the potential to ameliorate intestinal damage and modulate the intestinal microbiota, making them a promising alternative to antibiotics for treating enteric diseases induced by Escherichia coli.
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Affiliation(s)
| | | | | | | | | | | | - Zhihua Qin
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao 266109, China; (X.J.); (B.L.); (X.D.); (S.W.); (X.C.); (H.Z.)
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5
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Costa CM, Cardoso VF, Martins P, Correia DM, Gonçalves R, Costa P, Correia V, Ribeiro C, Fernandes MM, Martins PM, Lanceros-Méndez S. Smart and Multifunctional Materials Based on Electroactive Poly(vinylidene fluoride): Recent Advances and Opportunities in Sensors, Actuators, Energy, Environmental, and Biomedical Applications. Chem Rev 2023; 123:11392-11487. [PMID: 37729110 PMCID: PMC10571047 DOI: 10.1021/acs.chemrev.3c00196] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Indexed: 09/22/2023]
Abstract
From scientific and technological points of view, poly(vinylidene fluoride), PVDF, is one of the most exciting polymers due to its overall physicochemical characteristics. This polymer can crystalize into five crystalline phases and can be processed in the form of films, fibers, membranes, and specific microstructures, being the physical properties controllable over a wide range through appropriate chemical modifications. Moreover, PVDF-based materials are characterized by excellent chemical, mechanical, thermal, and radiation resistance, and for their outstanding electroactive properties, including high dielectric, piezoelectric, pyroelectric, and ferroelectric response, being the best among polymer systems and thus noteworthy for an increasing number of technologies. This review summarizes and critically discusses the latest advances in PVDF and its copolymers, composites, and blends, including their main characteristics and processability, together with their tailorability and implementation in areas including sensors, actuators, energy harvesting and storage devices, environmental membranes, microfluidic, tissue engineering, and antimicrobial applications. The main conclusions, challenges and future trends concerning materials and application areas are also presented.
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Affiliation(s)
- Carlos M. Costa
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal
- Laboratory
of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal
- Institute
of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, 4710-057 Braga, Portugal
| | - Vanessa F. Cardoso
- CMEMS-UMinho, University of
Minho, DEI, Campus de
Azurém, 4800-058 Guimarães, Portugal
- LABBELS-Associate
Laboratory, Campus de
Gualtar, 4800-058 Braga, Guimarães, Portugal
| | - Pedro Martins
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal
- Laboratory
of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal
- Institute
of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, 4710-057 Braga, Portugal
| | | | - Renato Gonçalves
- Center of
Chemistry, University of Minho, 4710-057 Braga, Portugal
| | - Pedro Costa
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal
- Laboratory
of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal
- Institute
for Polymers and Composites IPC, University
of Minho, 4804-533 Guimarães, Portugal
| | - Vitor Correia
- CMEMS-UMinho, University of
Minho, DEI, Campus de
Azurém, 4800-058 Guimarães, Portugal
- LABBELS-Associate
Laboratory, Campus de
Gualtar, 4800-058 Braga, Guimarães, Portugal
| | - Clarisse Ribeiro
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal
- Laboratory
of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal
| | - Margarida M. Fernandes
- CMEMS-UMinho, University of
Minho, DEI, Campus de
Azurém, 4800-058 Guimarães, Portugal
- LABBELS-Associate
Laboratory, Campus de
Gualtar, 4800-058 Braga, Guimarães, Portugal
| | - Pedro M. Martins
- Institute
of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, 4710-057 Braga, Portugal
- Centre
of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Senentxu Lanceros-Méndez
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4710-057 Braga, Portugal
- Laboratory
of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4710-057 Braga, Portugal
- BCMaterials,
Basque Center for Materials, Applications
and Nanostructures, UPV/EHU
Science Park, 48940 Leioa, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
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6
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Zhou Z, Zhou S, Zhang X, Zeng S, Xu Y, Nie W, Zhou Y, Xu T, Chen P. Quaternary Ammonium Salts: Insights into Synthesis and New Directions in Antibacterial Applications. Bioconjug Chem 2023; 34:302-325. [PMID: 36748912 DOI: 10.1021/acs.bioconjchem.2c00598] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The overuse of antibiotics has led to the emergence of a large number of antibiotic-resistant genes in bacteria, and increasing evidence indicates that a fungicide with an antibacterial mechanism different from that of antibiotics is needed. Quaternary ammonium salts (QASs) are a biparental substance with good antibacterial properties that kills bacteria through simple electrostatic adsorption and insertion into cell membranes/altering of cell membrane permeability. Therefore, the probability of bacteria developing drug resistance is greatly reduced. In this review, we focus on the synthesis and application of single-chain QASs, double-chain QASs, heterocyclic QASs, and gemini QASs (GQASs). Some possible structure-function relationships of QASs are also summarized. As such, we hope this review will provide insight for researchers to explore more applications of QASs in the field of antimicrobials with the aim of developing systems for clinical applications.
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Affiliation(s)
- Zhenyang Zhou
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Shuguang Zhou
- Department of Gynecology, Anhui Province Maternity and Child Healthcare Hospital, Hefei, Anhui 236000, China
| | - Xiran Zhang
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Shaohua Zeng
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Ying Xu
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Wangyan Nie
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Yifeng Zhou
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Tao Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Pengpeng Chen
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
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Kaigorodov DG, Kaigorodova AD. The non-protein fraction of embryonic stem cell secretome has antibacterial effects against antibiotic-resistant strains of bacteria. RUSSIAN JOURNAL OF INFECTION AND IMMUNITY 2022. [DOI: 10.15789/2220-7619-npf-1940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In recent years, the search for new antibacterial agents has been shown to be extremely important, as the burgeoning problem of antibiotic resistance and the toxicity of many antimicrobial compounds has forced scientists to turn their attention to alternatives. Searching stem cell secretomes, including the non-protein part, for new antimicrobials is a promising area of current research. We investigated the effect of the non-protein part of an embryonic stem cell secretome on various bacterial strains, including antibiotic-resistant ones. The non-protein fraction of the stem cell secretome was obtained by preparative high-performance liquid chromatography. Bactericidal activity was tested against eight museum strains and 206 clinical strains of bacteria by comparing the secretomes effects on growth of bacterial cultures. The museum strains showed some dose-dependent effects at concentrations of 25-100 g/ml. Against the clinical strains of Gram-negative microorganisms of different species, some bactericidal activity was shown at a concentration of 100 g/ml, but sensitivity of bacteria to the secretome fraction varied, with growth stimulation being detected in some strains. Application of higher concentrations of 100-1000 g/ml showed no dose-dependent effect. The clinical strains of E. coli and P. aeruginosa were shown to have reduced bactericidal activity after one day of incubation. Thus, this study has shown that the non-protein fraction of the embryonic stem cell secretome has bactericidal effects against some strains. However, more detailed studies are needed to identify the mechanism of action and to determine the most effective dose and frequency of administration.
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8
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Zheng H, Li H, Deng H, Fang W, Huang X, Qiao J, Tong Y. Near infrared light-responsive and drug-loaded black phosphorus nanosheets for antibacterial applications. Colloids Surf B Biointerfaces 2022; 214:112433. [PMID: 35278858 DOI: 10.1016/j.colsurfb.2022.112433] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/27/2022] [Accepted: 02/28/2022] [Indexed: 10/18/2022]
Abstract
The management of wound infection remain a major global challenge, effectively ablation of bacteria is of significant in fighting wound infectious diseases. Herein, black phosphorus nanosheets (BPNSs) were successfully prepared by liquid phase exfoliation technology, and composite nanosheets (BPNSs@phy) were formed by loading antimicrobial physcion(Phy)via hydrophobic interaction. Studies have shown that BPNSs@phy has good stability and low cytotoxicity under physiological conditions. In addition, BPNSs@phy has excellent photothermal conversion ability. After the irradiation of 808 nm near-infrared light, the light energy is converted into heat to promote the release of physcion. Under the synergistic effect of photothermal therapy (PTT) and antibacterial agents, BPNSs@phy has an excellent bactericidal effect against S.aureus (99.7%) and P.aeruginosa (99.9%). This study is expected to provide a new strategy for the development of BPNSs based antibacterial materials.
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Affiliation(s)
- Huan Zheng
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Huanhuan Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Hongxian Deng
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Wenlan Fang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Xiting Huang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Jiuquan Qiao
- School of Physical Education, Southwest Jiaotong University, Chengdu, Sichuan 610031, China.
| | - Yan Tong
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China.
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9
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Chen M, Zhou J, Ran P, Lei F, Meng J, Wei J, Li X. Photoactivated Release of Nitric Oxide and Antimicrobial Peptide Derivatives for Synergistic Therapy of Bacterial Skin Abscesses. Adv Healthc Mater 2022; 11:e2200199. [PMID: 35158416 DOI: 10.1002/adhm.202200199] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Indexed: 12/13/2022]
Abstract
It is of paramount importance to develop novel approaches for combating bacterial resistance and the integration of different antibacterial mechanisms is essential to achieve synergistic bactericidal efficiency while reducing the associated side effects. Herein, amphiphilic antimicrobial copolymers derived from poly-l-lysine (PLL), black phosphorus quantum dots (BPQDs) as near-infrared (NIR) sensitizer, and S-nitrosocysteamine (SNO) as nitric oxide (NO) donor, are assembled into PELI@BPQD-SNO nanoparticles through electrostatic interactions. Amphiphilic copolymers with isopentanyl grafts on PLL at a ratio of 50% achieve an optimal balance between antibacterial activity and hemolysis rate. Photothermal effect of BPQDs leads to NIR-responsive release of NO and the combination with amphiphilic copolymers mutually enhances long-term inhibition of bacterial growth. In an S. aureus-infected subcutaneous abscess model, the bactericidal rate of PELI@BPQD-SNO/NIR treatment reaches nearly 99.6%, which is significantly higher than those without NO release (38%) or amphiphilic copolymers (24%) or NIR irradiation (17%). PELI@BPQD-SNO/NIR treatment shows full recovery of infected wounds, efficient retardation of inflammatory cells, and reconstruction of blood vessels similar to those of healthy skin. Therefore, the electrostatic assembly demonstrates a promising strategy to deliver charged therapeutic agents and the photoactivated release of NO and amphiphilic copolymers achieves synergistic antibacterial efficacy without using any antibiotics.
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Affiliation(s)
- Maohua Chen
- School of Life Science and Engineering Key Laboratory of Advanced Technologies of Materials Ministry of Education Southwest Jiaotong University Chengdu 610031 P. R. China
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Jingjing Zhou
- School of Life Science and Engineering Key Laboratory of Advanced Technologies of Materials Ministry of Education Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Pan Ran
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Fangmei Lei
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Jie Meng
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Junwu Wei
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
| | - Xiaohong Li
- School of Life Science and Engineering Key Laboratory of Advanced Technologies of Materials Ministry of Education Southwest Jiaotong University Chengdu 610031 P. R. China
- School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 P. R. China
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10
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Roque-Borda CA, da Silva PB, Rodrigues MC, Azevedo RB, Di Filippo L, Duarte JL, Chorilli M, Festozo Vicente E, Pavan FR. Challenge in the Discovery of New Drugs: Antimicrobial Peptides against WHO-List of Critical and High-Priority Bacteria. Pharmaceutics 2021; 13:773. [PMID: 34064302 PMCID: PMC8224320 DOI: 10.3390/pharmaceutics13060773] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/15/2021] [Accepted: 05/16/2021] [Indexed: 12/15/2022] Open
Abstract
Bacterial resistance has intensified in recent years due to the uncontrolled use of conventional drugs, and new bacterial strains with multiple resistance have been reported. This problem may be solved by using antimicrobial peptides (AMPs), which fulfill their bactericidal activity without developing much bacterial resistance. The rapid interaction between AMPs and the bacterial cell membrane means that the bacteria cannot easily develop resistance mechanisms. In addition, various drugs for clinical use have lost their effect as a conventional treatment; however, the synergistic effect of AMPs with these drugs would help to reactivate and enhance antimicrobial activity. Their efficiency against multi-resistant and extensively resistant bacteria has positioned them as promising molecules to replace or improve conventional drugs. In this review, we examined the importance of antimicrobial peptides and their successful activity against critical and high-priority bacteria published in the WHO list.
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Affiliation(s)
- Cesar Augusto Roque-Borda
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Patricia Bento da Silva
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (P.B.d.S.); (M.C.R.); (R.B.A.)
| | - Mosar Corrêa Rodrigues
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (P.B.d.S.); (M.C.R.); (R.B.A.)
| | - Ricardo Bentes Azevedo
- Laboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (P.B.d.S.); (M.C.R.); (R.B.A.)
| | - Leonardo Di Filippo
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (L.D.F.); (J.L.D.); (M.C.)
| | - Jonatas L. Duarte
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (L.D.F.); (J.L.D.); (M.C.)
| | - Marlus Chorilli
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (L.D.F.); (J.L.D.); (M.C.)
| | - Eduardo Festozo Vicente
- School of Sciences and Engineering, São Paulo State University (UNESP), Tupã 17602-496, Brazil;
| | - Fernando Rogério Pavan
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
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11
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Hall TJ, Villapún VM, Addison O, Webber MA, Lowther M, Louth SET, Mountcastle SE, Brunet MY, Cox SC. A call for action to the biomaterial community to tackle antimicrobial resistance. Biomater Sci 2021; 8:4951-4974. [PMID: 32820747 DOI: 10.1039/d0bm01160f] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The global surge of antimicrobial resistance (AMR) is a major concern for public health and proving to be a key challenge in modern disease treatment, requiring action plans at all levels. Microorganisms regularly and rapidly acquire resistance to antibiotic treatments and new drugs are continuously required. However, the inherent cost and risk to develop such molecules has resulted in a drying of the pipeline with very few compounds currently in development. Over the last two decades, efforts have been made to tackle the main sources of AMR. Nevertheless, these require the involvement of large governmental bodies, further increasing the complexity of the problem. As a group with a long innovation history, the biomaterials community is perfectly situated to push forward novel antimicrobial technologies to combat AMR. Although this involvement has been felt, it is necessary to ensure that the field offers a united front with special focus in areas that will facilitate the development and implementation of such systems. This paper reviews state of the art biomaterials strategies striving to limit AMR. Promising broad-spectrum antimicrobials and device modifications are showcased through two case studies for different applications, namely topical and implantables, demonstrating the potential for a highly efficacious physical and chemical approach. Finally, a critical review on barriers and limitations of these methods has been developed to provide a list of short and long-term focus areas in order to ensure the full potential of the biomaterials community is directed to helping tackle the AMR pandemic.
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Affiliation(s)
- Thomas J Hall
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Victor M Villapún
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Owen Addison
- Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, SE1 9RT, UK
| | - Mark A Webber
- Quadram Institute Bioscience, Norwich Research Park, Colney, NR4 7UQ, UK
| | - Morgan Lowther
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie E T Louth
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie E Mountcastle
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Mathieu Y Brunet
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
| | - Sophie C Cox
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, UK.
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12
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Spirescu VA, Chircov C, Grumezescu AM, Vasile BȘ, Andronescu E. Inorganic Nanoparticles and Composite Films for Antimicrobial Therapies. Int J Mol Sci 2021; 22:4595. [PMID: 33925617 PMCID: PMC8123905 DOI: 10.3390/ijms22094595] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
The development of drug-resistant microorganisms has become a critical issue for modern medicine and drug discovery and development with severe socio-economic and ecological implications. Since standard and conventional treatment options are generally inefficient, leading to infection persistence and spreading, novel strategies are fundamentally necessary in order to avoid serious global health problems. In this regard, both metal and metal oxide nanoparticles (NPs) demonstrated increased effectiveness as nanobiocides due to intrinsic antimicrobial properties and as nanocarriers for antimicrobial drugs. Among them, gold, silver, copper, zinc oxide, titanium oxide, magnesium oxide, and iron oxide NPs are the most preferred, owing to their proven antimicrobial mechanisms and bio/cytocompatibility. Furthermore, inorganic NPs can be incorporated or attached to organic/inorganic films, thus broadening their application within implant or catheter coatings and wound dressings. In this context, this paper aims to provide an up-to-date overview of the most recent studies investigating inorganic NPs and their integration into composite films designed for antimicrobial therapies.
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Affiliation(s)
- Vera Alexandra Spirescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Cristina Chircov
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
| | - Bogdan Ștefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (C.C.); (B.Ș.V.); (E.A.)
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13
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Alharthi S, Alavi SE, Moyle PM, Ziora ZM. Sortase A (SrtA) inhibitors as an alternative treatment for superbug infections. Drug Discov Today 2021; 26:2164-2172. [PMID: 33781954 DOI: 10.1016/j.drudis.2021.03.019] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/01/2021] [Accepted: 03/19/2021] [Indexed: 12/28/2022]
Abstract
Virulence factor, sortase A (SrtA), has crucial roles in the pathogenesis of Gram-positive superbugs. SrtA is a bacterial cell membrane enzyme that anchors crucial virulence factors to the cell wall surface of Gram-positive bacteria. SrtA is not necessary for bacterial growth and viability and is conveniently accessible in the cell membrane; therefore, it is an ideal target for antivirulence drug development. In this review, we focus on antimicrobial resistance (AMR)-expressing bacteria and SrtA as a potential target for overcoming AMR. The mechanism of action of SrtA and its inhibition by various types of inhibitors, such as synthetic small molecules, peptides, and natural products, are provided. Future SrtA research perspectives for alternative drug development to antibiotics are also proposed.
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Affiliation(s)
- Sitah Alharthi
- School of Pharmacy, The University of Queensland, Woolloongabba, Qld 4102, Australia; Department of Pharmaceutical Science, School of Pharmacy, Shaqra University, Riyadh, Saudi Arabia
| | - Seyed Ebrahim Alavi
- School of Pharmacy, The University of Queensland, Woolloongabba, Qld 4102, Australia
| | - Peter Michael Moyle
- School of Pharmacy, The University of Queensland, Woolloongabba, Qld 4102, Australia.
| | - Zyta Maria Ziora
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Qld 4067, Australia.
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14
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Mazur G, Skiba-Kurek I, Karczewska E, Pańczyk-Straszak K, Jaworska J, Waszkielewicz AM. Design, synthesis and activity against Staphylococcus epidermidis of 5-chloro-2- or 5-chloro-4-methyl-9H-xanthen-9-one and some of its derivatives. Chem Biol Drug Des 2020; 97:674-685. [PMID: 33031630 DOI: 10.1111/cbdd.13803] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 09/26/2020] [Indexed: 11/30/2022]
Abstract
Ten new xanthone derivatives have been designed and synthesized for their potential antibacterial activity. All compounds have been screened against Staphylococcus epidermidis strains ATCC 12228 and clinical K/12/8915. The highest antibacterial activity was observed for compound 3: 5-chloro-2-((4-(2-hydroxyethyl)piperazin-1-yl)methyl)-9H-xanthen-9-one dihydrochloride, exhibiting MIC of 0.8 µg/ml against ATCC 12228 strain, compared to linezolid (0.8 µg/ml), ciprofloxacin (0.2 µg/ml) or trimethoprim and sulfamethoxazole (0.8 µg/ml). For the most active compound 3, genotoxicity assay with use of Salmonella enterica serovar Typhimurium revealed safety in terms of genotoxicity at concentration 75 µg/ml and antibacterial activity against Salmonella at all higher concentrations. A final in silico prediction of skin metabolism of compound 3 seems promising, indicating stability of the xanthone moiety in the metabolism process.
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Affiliation(s)
- Gabriela Mazur
- Department of Bioorganic Chemistry, Chair of Organic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Iwona Skiba-Kurek
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Elżbieta Karczewska
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Katarzyna Pańczyk-Straszak
- Department of Bioorganic Chemistry, Chair of Organic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Joanna Jaworska
- Department of Bioorganic Chemistry, Chair of Organic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Anna M Waszkielewicz
- Department of Bioorganic Chemistry, Chair of Organic Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
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