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Lin X, Chen J, Xia Y, Chen Y, Gan H, Liu Z, Wu Q, Zhang Y, Guo N. Alginate Cryogels for Rapid Hemostasis and Toluidine Blue-Mediated Photodynamic Inactivation of Bacteria. ACS OMEGA 2024; 9:35845-35852. [PMID: 39184519 PMCID: PMC11339824 DOI: 10.1021/acsomega.4c04744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 08/27/2024]
Abstract
The development of new wound dressings with fast hemostatic and bactericidal properties for prehospital care is critical. Antibacterial photodynamic therapy (aPDT) has attracted attention due to its broad-spectrum antibacterial activity and minimal bacterial resistance. However, photosensitizers used in aPDT often face issues such as poor water solubility, short-lived singlet oxygen (1O2), and limited 1O2 diffusion range. In this study, sodium alginate was covalently modified with the photosensitizer toluidine blue O (TBO) and phenylboronic acid (PBA). The modified alginate was then cross-linked with Ca(II) ions and lyophilized to form a cryogel, named SA@Ca(II)@TBO@PBA (SCTP). This cryogel functions as an antibacterial photodynamic wound dressing. The chemical immobilization of TBO and PBA enhanced the cryogel's targeting ability. PBA formed reversible covalent bonds with diol groups on bacterial cell surfaces, allowing the cryogel to capture bacteria effectively and enhance aPDT. The bactericidal efficiency of the cryogel was tested through in vitro antibacterial assays, and its hemostatic properties were confirmed in vivo. The results indicate that this cryogel has excellent hemostatic and antibacterial capabilities, showing great promise as a wound dressing for clinical applications.
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Affiliation(s)
- Xiaocheng Lin
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Jia Chen
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Yu Xia
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Yan Chen
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Huixuan Gan
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Zhongjia Liu
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Quanxin Wu
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
| | - Yang Zhang
- Guangdong
Dongguan Quality Supervision Testing Center, Dongguan 523000, China
| | - Ning Guo
- Dongguan
Children’s Hospital; School of Pharmacy, Guangdong Medical University, Dongguan 523000, China
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2
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Li N, Zhang C, Xin G, Wang Y, Gao Y, Hu J, Wang Z, He X. Concanavalin-conjugated zinc-metal-organic framework drug for pH-controlled and targeted therapy of wound bacterial infection. Int J Biol Macromol 2024; 278:134637. [PMID: 39128734 DOI: 10.1016/j.ijbiomac.2024.134637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 08/01/2024] [Accepted: 08/08/2024] [Indexed: 08/13/2024]
Abstract
Wounds are prone to infection which may be fatal to the life of the patient. The use of antibiotics is essential for managing bacterial infections in wounds, but the long-term use of high doses of antibiotics may lead to bacterial drug resistance and even to creation of superbacteria. Therefore, the development of targeted antimicrobial treatment strategies and the reduction in antibiotic usage are of utmost urgency. In this study, a multifunctional nanodrug delivery system (Cef-rhEGF@ZIF-8@ConA) for the treatment of bacteriostatic infection was synthesized through self-assembly of Zn2+, cefradine (Cef) and recombinant human epidermal growth factor (rhEGF), then conjugated with concanavalin (ConA), which undergoes pH-responsive degradation to release the drugs. First, ConA can specifically combine with bacteria and inhibit the rapid release of Zn2+ ions, thus achieving a long-acting antibacterial effect. Cef exerts its antibacterial effect by inhibiting the synthesis of bacterial membrane proteins. Finally, Zn2+ ions released from the Zn-metal-organic framework (MOF) demonstrate bacteriostatic properties by enhancing the permeability of the bacterial cell membrane. Furthermore, rhEGF upregulates angiogenesis-associated genes, thereby promoting angiogenesis, re-epithelialization and wound healing processes. The results showed that Cef-rhEGF@ZIF-8@ConA has good biocompatibility, with antibacterial efficacy against Staphylococcus aureus and Escherichia coli of 99.61 % and 99.75 %, respectively. These nanomaterials can inhibit the release of inflammatory cytokines and promote the release of anti-inflammatory cytokines, while also stimulating the proliferation of fibroblasts to facilitate wound healing. Taken together, the Cef-rhEGF@ZIF-8@ConA nanosystem is an excellent candidate in clinical therapeutics for bacteriostatic infection and wound healing.
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Affiliation(s)
- Na Li
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China
| | - Chong Zhang
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China
| | - Gaoli Xin
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China
| | - Yexing Wang
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China
| | - Yuwei Gao
- Institute of Military Veterinary Medicine, Academy of Military Medical Sciences, Changchun 130122, China
| | - Junli Hu
- Key Laboratory of UV-Emitting Materials and Technology, Northeast Normal University, Ministry of Education, Changchun, Jilin 130024, China
| | - Zuobin Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
| | - Xiuxia He
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China; International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
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3
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Hao Y, Liu X, Fu H, Shao X, Cai W. PGAT-ABPp: harnessing protein language models and graph attention networks for antibacterial peptide identification with remarkable accuracy. Bioinformatics 2024; 40:btae497. [PMID: 39120878 PMCID: PMC11338452 DOI: 10.1093/bioinformatics/btae497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 07/24/2024] [Accepted: 08/08/2024] [Indexed: 08/10/2024] Open
Abstract
MOTIVATION The emergence of drug-resistant pathogens represents a formidable challenge to global health. Using computational methods to identify the antibacterial peptides (ABPs), an alternative antimicrobial agent, has demonstrated advantages in further drug design studies. Most of the current approaches, however, rely on handcrafted features and underutilize structural information, which may affect prediction performance. RESULTS To present an ultra-accurate model for ABP identification, we propose a novel deep learning approach, PGAT-ABPp. PGAT-ABPp leverages structures predicted by AlphaFold2 and a pretrained protein language model, ProtT5-XL-U50 (ProtT5), to construct graphs. Then the graph attention network (GAT) is adopted to learn global discriminative features from the graphs. PGAT-ABPp outperforms the other fourteen state-of-the-art models in terms of accuracy, F1-score and Matthews Correlation Coefficient on the independent test dataset. The results show that ProtT5 has significant advantages in the identification of ABPs and the introduction of spatial information further improves the prediction performance of the model. The interpretability analysis of key residues in known active ABPs further underscores the superiority of PGAT-ABPp. AVAILABILITY AND IMPLEMENTATION The datasets and source codes for the PGAT-ABPp model are available at https://github.com/moonseter/PGAT-ABPp/.
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Affiliation(s)
- Yuelei Hao
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Xuyang Liu
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Haohao Fu
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Xueguang Shao
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Wensheng Cai
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
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4
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Jyoti K, Soni K, Chandra R. Pharmaceutical industrial wastewater exhibiting the co-occurrence of biofilm-forming genes in the multidrug-resistant bacterial community poses a novel environmental threat. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 273:107019. [PMID: 39002428 DOI: 10.1016/j.aquatox.2024.107019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/15/2024]
Abstract
The interaction of the environment with the effluent of wastewater treatment plants, having antibiotics, multidrug-resistant (MDR) bacteria, and biofilm-forming genes (BFGs), has vast environmental risks. Antibiotic pollution bottlenecks environmental bacteria and has the potential to significantly lower the biodiversity of environmental bacteria, causing an alteration in ecological equilibrium. It can induce selective pressure for antibiotic resistance (AR) and can transform the non-resistant environmental bacteria into a resistant form through HGT. This study investigated the occurrence of MDR bacteria, showing phenotypic and genotypic characteristics of biofilm. The bacteria were isolated from the pharmaceutical wastewater treatment plants (WWTPs) of Dehradun and Haridwar (India), located in the pharmaceutical areas. The findings of this study demonstrate the coexistence of BFGs and MDR clinical bacteria in the vicinity of pharmaceutical industrial wastewater treatment plants. A total of 47 bacteria were isolated from both WWTPs and tested for antibiotic resistance to 13 different antibiotics; 16 isolates (34.04 %) tested positive for MDR. 5 (31.25 %) of these 16 MDR isolates were producing biofilm and identified as Pseudomonas aeruginosa, Acinetobacter baumannii, Escherichia coli, Klebsiella pneumoniae, and Burkholderia cepacia. The targeted BFGs in this study were ompA, bap and pslA. The most common co-occurring gene was ompA (80 %), with pslA (40 %) being the least common. A. baumannii contains all three targeted genes, whereas B. cepacia only has bap. Except for B. cepacia, all the biofilm-forming MDR isolates show AR to all the tested antibiotics and prove that the biofilm enhances the AR potential. The samples of both wastewater treatment plants also showed the occurrence of tetracycline, ampicillin, erythromycin and chloramphenicol, along with high levels of BOD, COD, PO4-3, NO3-, heavy metals and organic pollutants. The co-occurrence of MDR and biofilm-forming tendency in the clinical strain of bacteria and its environmental dissemination may have an array of hazardous impacts on human and environmental health.
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Affiliation(s)
- Km Jyoti
- Department of Environmental Microbiology, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh 226025, India
| | - Kuldeep Soni
- Department of Environmental Microbiology, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh 226025, India
| | - Ram Chandra
- Department of Environmental Microbiology, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh 226025, India.
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5
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Zhao Q, Zhou Y, Zhang Q, Qu X, Jiang Y, Wu S, Zhang M, Zhao Q, Qiang Q, Li J, Li Y. Cobalt doped Prussian blue modified hollow polydopamine for enhanced antibacterial therapy. NANOTECHNOLOGY 2024; 35:365101. [PMID: 38834038 DOI: 10.1088/1361-6528/ad53d2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 06/04/2024] [Indexed: 06/06/2024]
Abstract
Give the emergence of drug resistance in bacteria resulting from antibiotic misuse, there is an urgent need for research and application of novel antibacterial approaches. In recent years, nanoparticles (NPs) have garnered significant attention due to their potential to disrupt bacteria cellular structure through loading drugs and special mechanisms, thus rendering them inactive. In this study, the surface of hollow polydopamine (HPDA) NPs was utilized for the growth of Prussian blue (PB), resulting in the formation of HPDA-PB NPs. Incorporation of Co element during the preparation process led to partial doping of PB with Co2+ions. The performance test results demonstrated that the HPDA-PB NPs exhibited superior photothermal conversion efficiency and peroxidase-like activity compared to PB NPs. HPDA-PB NPs have the ability to catalyze the formation of hydroxyl radicals from H2O2in a weakly acidic environment. Due to the tiny PB particles on the surface and the presence of Co2+doping, they have strong broad-spectrum antibacterial properties. Bothin vitroandin vivoevaluations confirm their efficacy against various bacterial strains, particularlyStaphylococcus aureus, and their potential to promote wound healing, making them a promising candidate for advanced wound care and antimicrobial applications.
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Affiliation(s)
- Qiyao Zhao
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Yifan Zhou
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
- Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-based Active Substances, Harbin 150040, People's Republic of China
| | - Qin Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Xiaomeng Qu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Yu Jiang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
- Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-based Active Substances, Harbin 150040, People's Republic of China
| | - Shilong Wu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
- Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-based Active Substances, Harbin 150040, People's Republic of China
| | - Meixuan Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
- Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-based Active Substances, Harbin 150040, People's Republic of China
| | - Qi Zhao
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Qingwang Qiang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Jian Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Yanyan Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
- Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, People's Republic of China
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-based Active Substances, Harbin 150040, People's Republic of China
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6
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Mundra S, Kabra A. Unveiling the Druggable Landscape of Bacterial Peptidyl tRNA Hydrolase: Insights into Structure, Function, and Therapeutic Potential. Biomolecules 2024; 14:668. [PMID: 38927071 PMCID: PMC11202043 DOI: 10.3390/biom14060668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/02/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
Bacterial peptidyl tRNA hydrolase (Pth) or Pth1 emerges as a pivotal enzyme involved in the maintenance of cellular homeostasis by catalyzing the release of peptidyl moieties from peptidyl-tRNA molecules and the maintenance of a free pool of specific tRNAs. This enzyme is vital for bacterial cells and an emerging drug target for various bacterial infections. Understanding the enzymatic mechanisms and structural intricacies of bacterial Pth is pivotal in designing novel therapeutics to combat antibiotic resistance. This review provides a comprehensive analysis of the multifaceted roles of Pth in bacterial physiology, shedding light on its significance as a potential drug target. This article delves into the diverse functions of Pth, encompassing its involvement in ribosome rescue, the maintenance of a free tRNA pool in bacterial systems, the regulation of translation fidelity, and stress response pathways within bacterial systems. Moreover, it also explores the druggability of bacterial Pth, emphasizing its promise as a target for antibacterial agents and highlighting the challenges associated with developing specific inhibitors against this enzyme. Structural elucidation represents a cornerstone in unraveling the catalytic mechanisms and substrate recognition of Pth. This review encapsulates the current structural insights of Pth garnered through various biophysical techniques, such as X-ray crystallography and NMR spectroscopy, providing a detailed understanding of the enzyme's architecture and conformational dynamics. Additionally, biophysical aspects, including its interaction with ligands, inhibitors, and substrates, are discussed, elucidating the molecular basis of bacterial Pth's function and its potential use in drug design strategies. Through this review article, we aim to put together all the available information on bacterial Pth and emphasize its potential in advancing innovative therapeutic interventions and combating bacterial infections.
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Affiliation(s)
- Surbhi Mundra
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
| | - Ashish Kabra
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22903, USA
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7
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Cordoves-Delgado G, García-Jacas CR. Predicting Antimicrobial Peptides Using ESMFold-Predicted Structures and ESM-2-Based Amino Acid Features with Graph Deep Learning. J Chem Inf Model 2024; 64:4310-4321. [PMID: 38739853 DOI: 10.1021/acs.jcim.3c02061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Currently, antimicrobial resistance constitutes a serious threat to human health. Drugs based on antimicrobial peptides (AMPs) constitute one of the alternatives to address it. Shallow and deep learning (DL)-based models have mainly been built from amino acid sequences to predict AMPs. Recent advances in tertiary (3D) structure prediction have opened new opportunities in this field. In this sense, models based on graphs derived from predicted peptide structures have recently been proposed. However, these models are not in correspondence with state-of-the-art approaches to codify evolutionary information, and, in addition, they are memory- and time-consuming because depend on multiple sequence alignment. Herein, we presented a framework to create alignment-free models based on graph representations generated from ESMFold-predicted peptide structures, whose nodes are characterized with amino acid-level evolutionary information derived from the Evolutionary Scale Modeling (ESM-2) models. A graph attention network (GAT) was implemented to assess the usefulness of the framework in the AMP classification. To this end, a set comprised of 67,058 peptides was used. It was demonstrated that the proposed methodology allowed to build GAT models with generalization abilities consistently better than 20 state-of-the-art non-DL-based and DL-based models. The best GAT models were developed using evolutionary information derived from the 36- and 33-layer ESM-2 models. Similarity studies showed that the best-built GAT models codified different chemical spaces, and thus they were fused to significantly improve the classification. In general, the results suggest that esm-AxP-GDL is a promissory tool to develop good, structure-dependent, and alignment-free models that can be successfully applied in the screening of large data sets. This framework should not only be useful to classify AMPs but also for modeling other peptide and protein activities.
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Affiliation(s)
- Greneter Cordoves-Delgado
- Departamento de Ciencias de la Computación, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), 22860 Ensenada, Baja California, México
| | - César R García-Jacas
- Cátedras CONAHCYT - Departamento de Ciencias de la Computación, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), 22860 Ensenada, Baja California, México
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8
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Osanloo M, Ranjbar R, Zarenezhad E. Alginate Nanoparticles Containing Cuminum cyminum and Zataria multiflora Essential Oils with Promising Anticancer and Antibacterial Effects. Int J Biomater 2024; 2024:5556838. [PMID: 38725434 PMCID: PMC11081758 DOI: 10.1155/2024/5556838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024] Open
Abstract
Cancer and bacterial infections are major global health concerns driving the need for innovative medicines. This study investigated alginate nanoparticles loaded with essential oils (EOs) from Cuminum cyminum and Zataria multiflora as potential drug delivery systems. The nanoparticles were comprehensively characterized using techniques such as gas chromatography-mass spectrometry (GC-MS), dynamic light scattering (DLS), zetasizer, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and ultraviolet-visible spectroscopy (UV-Vis). Their biological properties against two human skin cancer cell lines (A-375 and A-431) and three bacteria (Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus) were also evaluated. Alginate nanoparticles containing C. cyminum and Z. multiflora EOs exhibited sizes of 160 ± 8 nm and 151 ± 10 nm, respectively. Their zeta potentials and encapsulation efficiencies were -18 ± 1 mV and 79 ± 4%, as well as -27 ± 2 mV and 86 ± 5%, respectively. The IC50 values against the tested cell lines and bacteria revealed superior efficacy for nanoparticles containing Z. multiflora EO. Considering the proper efficacy of the proposed nanoparticles, the straightforward preparation method and low cost suggest their potential for further in vivo studies.
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Affiliation(s)
- Mahmoud Osanloo
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Razieh Ranjbar
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Elham Zarenezhad
- Noncommunicable Disease Research Center, Fasa University of Medical Sciences, Fasa, Iran
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9
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Paul S, Verma S, Chen YC. Peptide Dendrimer-Based Antibacterial Agents: Synthesis and Applications. ACS Infect Dis 2024; 10:1034-1055. [PMID: 38428037 PMCID: PMC11019562 DOI: 10.1021/acsinfecdis.3c00624] [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: 11/16/2023] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 03/03/2024]
Abstract
Pathogenic bacteria cause the deaths of millions of people every year. With the development of antibiotics, hundreds and thousands of people's lives have been saved. Nevertheless, bacteria can develop resistance to antibiotics, rendering them insensitive to antibiotics over time. Peptides containing specific amino acids can be used as antibacterial agents; however, they can be easily degraded by proteases in vivo. To address these issues, branched peptide dendrimers are now being considered as good antibacterial agents due to their high efficacy, resistance to protease degradation, and low cytotoxicity. The ease with which peptide dendrimers can be synthesized and modified makes them accessible for use in various biological and nonbiological fields. That is, peptide dendrimers hold a promising future as antibacterial agents with prolonged efficacy without bacterial resistance development. Their in vivo stability and multivalence allow them to effectively target multi-drug-resistant strains and prevent biofilm formation. Thus, it is interesting to have an overview of the development and applications of peptide dendrimers in antibacterial research, including the possibility of employing machine learning approaches for the design of AMPs and dendrimers. This review summarizes the synthesis and applications of peptide dendrimers as antibacterial agents. The challenges and perspectives of using peptide dendrimers as the antibacterial agents are also discussed.
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Affiliation(s)
- Suchita Paul
- Institute
of Semiconductor Technology, National Yang
Ming Chiao Tung University, Hsinchu 300, Taiwan
- Department
of Chemistry, Indian Institute of Technology
Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Sandeep Verma
- Department
of Chemistry, Indian Institute of Technology
Kanpur, Kanpur 208016, Uttar Pradesh, India
- Gangwal
School of Medical Sciences and Technology, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Yu-Chie Chen
- Institute
of Semiconductor Technology, National Yang
Ming Chiao Tung University, Hsinchu 300, Taiwan
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, Hsinchu 300, Taiwan
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10
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Lu H, Ni SQ. Review on sterilization techniques, and the application potential of phage lyase and lyase immobilization in fighting drug-resistant bacteria. J Mater Chem B 2024; 12:3317-3335. [PMID: 38380677 DOI: 10.1039/d3tb02366d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Many human health problems and property losses caused by pathogenic contamination cannot be underestimated. Bactericidal techniques have been extensively studied to address this issue of public health and economy. Bacterial resistance develops as a result of the extensive use of single or multiple but persistent usage of sterilizing drugs, and the emergence of super-resistant bacteria brings new challenges. Therefore, it is crucial to control pathogen contamination by applying innovative and effective sterilization techniques. As organisms that exist in nature and can specifically kill bacteria, phages have become the focus as an alternative to antibacterial agents. Furthermore, phage-encoded lyases are proteins that play important roles in phage sterilization. The in vitro sterilization of phage lyase has been developed as a novel biosterilization technique to reduce bacterial resistance and is more environmentally friendly than conventional sterilization treatments. For the shortcomings of enzyme applications, this review discusses the enzyme immobilization methods and the application potential of immobilized lyases for sterilization. Although some techniques provide effective solutions, immobilized lyase sterilization technology has been proven to be a more effective innovation for efficient pathogen killing and reducing bacterial resistance. We hope that this review can provide new insights for the development of sterilization techniques.
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Affiliation(s)
- Han Lu
- School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China.
| | - Shou-Qing Ni
- School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China.
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11
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Zhang J, Guo H, Liu M, Tang K, Li S, Fang Q, Du H, Zhou X, Lin X, Yang Y, Huang B, Yang D. Recent design strategies for boosting chemodynamic therapy of bacterial infections. EXPLORATION (BEIJING, CHINA) 2024; 4:20230087. [PMID: 38855616 PMCID: PMC11022619 DOI: 10.1002/exp.20230087] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 06/11/2024]
Abstract
The emergence of drug-resistant bacteria poses a significant threat to people's lives and health as bacterial infections continue to persist. Currently, antibiotic therapy remains the primary approach for tackling bacterial infections. However, the escalating rates of drug resistance coupled with the lag in the development of novel drugs have led to diminishing effectiveness of conventional treatments. Therefore, the development of nonantibiotic-dependent therapeutic strategies has become imperative to impede the rise of bacterial resistance. The emergence of chemodynamic therapy (CDT) has opened up a new possibility due to the CDT can convert H2O2 into •OH via Fenton/Fenton-like reaction for drug-resistant bacterial treatment. However, the efficacy of CDT is limited by a variety of practical factors. To overcome this limitation, the sterilization efficiency of CDT can be enhanced by introducing the therapeutics with inherent antimicrobial capability. In addition, researchers have explored CDT-based combined therapies to augment its antimicrobial effects and mitigate its potential toxic side effects toward normal tissues. This review examines the research progress of CDT in the antimicrobial field, explores various strategies to enhance CDT efficacy and presents the synergistic effects of CDT in combination with other modalities. And last, the current challenges faced by CDT and the future research directions are discussed.
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Affiliation(s)
- Junjie Zhang
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Haiyang Guo
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Ming Liu
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Kaiyuan Tang
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Shengke Li
- Macao Centre for Research and Development in Chinese MedicineInstitute of Chinese Medical SciencesUniversity of MacauTaipaMacau SARChina
| | - Qiang Fang
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Hengda Du
- School of Fundamental SciencesBengbu Medical CollegeBengbuChina
| | - Xiaogang Zhou
- Anhui Key Laboratory of Infection and Immunity, School of Basic MedicineBengbu Medical CollegeBengbuChina
| | - Xin Lin
- School of Optometry and Ophthalmology and Eye Hospital, State Key Laboratory of OptometryOphthalmology and Vision ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Yanjun Yang
- School of Electrical and Computer Engineering, College of EngineeringThe University of GeorgiaAthensGeorgiaUSA
| | - Bin Huang
- Academy of Integrative Medicine, Fujian Key Laboratory of Integrative Medicine on GeriatricsFujian University of Traditional Chinese MedicineFuzhouFujianChina
| | - Dongliang Yang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Physical and Mathematical SciencesNanjing Tech University (NanjingTech)NanjingChina
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12
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Ge W, Gao Y, He L, Jiang Z, Zeng Y, Yu Y, Xie X, Zhou F. Developing Chinese herbal-based functional biomaterials for tissue engineering. Heliyon 2024; 10:e27451. [PMID: 38496844 PMCID: PMC10944231 DOI: 10.1016/j.heliyon.2024.e27451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/10/2024] [Accepted: 02/28/2024] [Indexed: 03/19/2024] Open
Abstract
The role of traditional Chinese medicine (TCM) in treating diseases is receiving increasing attention. Chinese herbal medicine is an important part of TCM with various applications and the active ingredients extracted from Chinese herbal medicines have physiological and pathological effects. Tissue engineering combines cell biology and materials science to construct tissues or organs in vitro or in vivo. TCM has been proposed by the World Health Organization as an effective treatment modality. In recent years, the potential use of TCM in tissue engineering has been demonstrated. In this review, the classification and efficacy of TCM active ingredients and delivery systems are discussed based on the TCM theory. We also summarized the current application status and broad prospects of Chinese herbal active ingredients in different specialized biomaterials in the field of tissue engineering. This review provides novel insights into the integration of TCM and modern Western medicine through the application of Chinese medicine in tissue engineering and regenerative medicine.
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Affiliation(s)
- Wenhui Ge
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, PR China
| | - Yijun Gao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, PR China
| | - Liming He
- Changsha Stomatological Hospital, Changsha, PR China
| | | | - Yiyu Zeng
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, PR China
| | - Yi Yu
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, PR China
| | - Xiaoyan Xie
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, PR China
| | - Fang Zhou
- Xiangtan Maternal and Child Health Hospital, Xiangtan, PR China
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13
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Li H, Yang L, Feng W, Liu W, Wang M, Liu F, Li G, Wang X. Poly(amino acid)-based drug delivery nanoparticles eliminate Methicillin resistant Staphylococcus aureus via tunable release of antibiotic. Colloids Surf B Biointerfaces 2024; 239:113882. [PMID: 38593511 DOI: 10.1016/j.colsurfb.2024.113882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/13/2024] [Accepted: 03/26/2024] [Indexed: 04/11/2024]
Abstract
Bacterial infections threaten public health, and novel therapeutic strategies critically demand to be explored. Herein, poly(amino acid) (PAA)-based drug delivery nanoparticles (NPs) were designed for eliminating Methicillin resistant Staphylococcus aureus (MRSA) via tunable release of antibiotic. Using N-acryloyl amino acids (valine, valine methyl ester, aspartic acid, serine) as monomers, four kinds of amphiphilic PAAs were synthesized via photoinduced electron/energy transfer-reversible addition fragmentation chain-transfer (PET-RAFT) polymerization and were further assembled into nano-sized delivery systems. Their assemble behavior was drove mainly by hydrophobic/hydrophilic interaction, which determined the particle size, efficacy of drug loading and release; but numerous hydrogen bonding (HB) interaction also played an important role in regulating morphologies of the NPs and enriching drug-binding capacity. By changing the HB- and hydrophobic-interaction of the PAAs, the particle sizes (240.7 nm-302.7 nm), the drug loading efficiency (9.57%-19.76%), and the Rifampicin (Rif) release rate (49.6%-69.7%) of the PAA-based NPs could be tunable. Specially, the antimicrobial properties of the Rif-loaded NPs are found to be related to the release of Rif, which was determined by its hydrophobic interaction with hydrophobic blocks and HB interaction with hydrophilic blocks. These studies provide a new outlook for the design of delivery systems for the therapy of bacterial infection.
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Affiliation(s)
- Haofei Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Longlong Yang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wenli Feng
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Weilin Liu
- College of Bioengineering, Beijing Polytechnic, Beijing 100176, PR China
| | - Meng Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Fang Liu
- China-Japan Friendship Hospital, Beijing 100029, PR China
| | - Guofeng Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Xing Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China.
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14
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Li W, Yang X, Ahmad N, Zhang SL, Zhou CH. Novel aminothiazoximone-corbelled ethoxycarbonylpyrimidones with antibiofilm activity to conquer Gram-negative bacteria through potential multitargeting effects. Eur J Med Chem 2024; 268:116219. [PMID: 38368710 DOI: 10.1016/j.ejmech.2024.116219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/31/2024] [Accepted: 02/04/2024] [Indexed: 02/20/2024]
Abstract
The emergence of drug-resistant microorganisms threatens human health, and it is usually exacerbated by the formation of biofilm, which forces the development of new antibacterial agents with antibiofilm activity. In this work, a novel category of aminothiazoximone-corbelled ethoxycarbonylpyrimidones (ACEs) was designed and synthesized, and some of the prepared ACEs showed potent bioactivity against the tested bacteria. In particular, imidazolyl ACE 6c showed better inhibitory activity towards Acinetobacter baumannii and Escherichia coli with MIC values both of 0.0066 mmol/L than norfloxacin. It was also revealed that imidazolyl ACE 6c not only possessed inconspicuous hemolytic rate and cytotoxicity, low drug resistance and no risk of penetrating the blood-brain barrier, but also exhibited obvious biofilm inhibition and eradication activities. The preliminary mechanism research suggested that imidazolyl ACE 6c could induce metabolic dysfunction by deactivating lactate dehydrogenase and promote the accumulation of reactive oxygen species to decrease the reduced glutathione and ultimately cause oxidative damage in bacteria. Furthermore, ACE 6c was also found that could insert into DNA to form the supramolecular complex of 6c-DNA and trigger cell death. The multidimensional effect might promote bacterial cell rupture, leading to the leakage of intracellular content. These findings manifested that novel imidazolyl ACE 6c as a potential multitargeting antibacterial agent with potent antibiofilm activity could provide new possibility for the treatment of refractory biofilm-intensified bacterial infections.
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Affiliation(s)
- Wei Li
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Xi Yang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Nisar Ahmad
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Shao-Lin Zhang
- School of Pharmaceutical Sciences, Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chongqing University, Chongqing, 401331, China.
| | - Cheng-He Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China.
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15
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Yang J, Luo H, Zhu X, Cai L, Zhou L, Ruan H, Chen J. Copper-doped bismuth oxychloride nanosheets assembled into sphere-like morphology for improved photocatalytic inactivation of drug-resistant bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168916. [PMID: 38036130 DOI: 10.1016/j.scitotenv.2023.168916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/22/2023] [Accepted: 11/25/2023] [Indexed: 12/02/2023]
Abstract
The devastating microbiological contamination as well as emerging drug-resistant bacteria has posed severe threats to the ecosystem and public health, which propels the continuous exploitation of safe yet efficient disinfection products and technology. Here, copper doping engineered bismuth oxychloride (Cu-BiOCl) nanocomposite with a hierarchical spherical structure was successfully prepared. It was found that due to the exposure of abundant active sites for the adsorption of both bacteria cells and molecular oxygen in the structure, the obtained Cu-BiOCl with nanosheets assembled into sphere-like morphology exhibited remarkable photocatalytic antibacterial effects. In particular, compared to the pure BiOCl, composite Cu-BiOCl possessed improved antibacterial effects against Escherichia coli (E. coli), Staphylococcus aureus (S. aureus), and Methicillin-resistant Staphylococcus aureus (MRSA). The combination of physicochemical characterizations and theoretical calculations has revealed that copper doping significantly promoted the light absorbance, inhibited the recombination of electron-hole pairs, and enhanced molecular oxygen adsorption, which resulted in more generation of active species including reactive oxygen species (ROS) and h+ to achieve superior photocatalytic bacterial inactivation. Finally, transcriptome analysis on MRSA pinpointed photocatalytic inactivation induced by Cu-BiOCl may retard largely the development of drug-resistance. Therefore, the built spherical Cu-BiOCl nanocomposite has provided an ecofriendly, economical and robust strategy for the efficient removal of drug-resistant bacteria with promising potentials for environmental and healthcare utilizations.
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Affiliation(s)
- Jing Yang
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China; The Affiliated Chongqing Prevention and Treatment Center for Occupational Diseases, School of Public Health, Nanjing Medical University, Chongqing 400060, China
| | - Huan Luo
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China; The Affiliated Chongqing Prevention and Treatment Center for Occupational Diseases, School of Public Health, Nanjing Medical University, Chongqing 400060, China
| | - Xinyi Zhu
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Ling Cai
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China; The Affiliated Chongqing Prevention and Treatment Center for Occupational Diseases, School of Public Health, Nanjing Medical University, Chongqing 400060, China; School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Liuzhu Zhou
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Hongjie Ruan
- Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, 123 Tianfei Lane, Nanjing 210004, China.
| | - Jin Chen
- The Key Laboratory of Modern Toxicology, Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China; The Affiliated Chongqing Prevention and Treatment Center for Occupational Diseases, School of Public Health, Nanjing Medical University, Chongqing 400060, China; School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China; Jiangsu Province Engineering Research Center of Antibody Drug, Key Laboratory of Antibody Technique of National Health Commission, Nanjing Medical University, Nanjing 211166, China.
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16
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Efremova I, Maslennikov R, Zharkova M, Poluektova E, Benuni N, Kotusov A, Demina T, Ivleva A, Adzhieva F, Krylova T, Ivashkin V. Efficacy and Safety of a Probiotic Containing Saccharomyces boulardii CNCM I-745 in the Treatment of Small Intestinal Bacterial Overgrowth in Decompensated Cirrhosis: Randomized, Placebo-Controlled Study. J Clin Med 2024; 13:919. [PMID: 38337613 PMCID: PMC10856456 DOI: 10.3390/jcm13030919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
(1) Background: The aim was to evaluate the effectiveness of the probiotic containing Saccharomyces boulardii in the treatment of small intestinal bacterial overgrowth (SIBO) in patients with decompensated cirrhosis. (2) Methods: This was a blinded, randomized, placebo-controlled study. (3) Results: After 3 months of treatment, SIBO was absent in 80.0% of patients in the probiotic group and in 23.1% of patients in the placebo group (p = 0.002). The patients with eliminated SIBO had decreased frequency of ascites and hepatic encephalopathy, the increased platelets and albumin levels, the decreased blood levels of total bilirubin, biomarkers of bacterial translocation (lipopolysaccharide [LPS]) and systemic inflammation (C-reactive protein), and positive changes in markers of hyperdynamic circulation compared with the state at inclusion. There were no significant changes in the claudin 3 level (the intestinal barrier biomarker) in these patients. No significant changes were observed in the group of patients with persistent SIBO. The serum level of nitrate (endothelial dysfunction biomarker) was lower in patients with eradicated SIBO than in patients with persistent SIBO. One (5.3%) patient with eradicated SIBO and six (42.9%) patients with persistent SIBO died within the first year of follow-up (p = 0.007). (4) Conclusions: SIBO eradication was an independent predictor of a favorable prognosis during the first year of follow-up.
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Affiliation(s)
- Irina Efremova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Roman Maslennikov
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
- The Interregional Public Organization “Scientific Community for the Promotion of the Clinical Study of the Human Microbiome”, Moscow 119435, Russia
| | - Maria Zharkova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Elena Poluektova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
- The Interregional Public Organization “Scientific Community for the Promotion of the Clinical Study of the Human Microbiome”, Moscow 119435, Russia
| | - Nona Benuni
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Aleksandr Kotusov
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Tatyana Demina
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Aleksandra Ivleva
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Farida Adzhieva
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Taisiya Krylova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
| | - Vladimir Ivashkin
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119992, Russia (M.Z.); (E.P.); (N.B.); (A.K.); (A.I.); (T.K.)
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17
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Liu C, Han J, Li Z, Liu Y, Wu R, Cao S, Wu D. Imidazolium-Based Main-Chain Copolymers With Alternating Sequences for Broad-Spectrum Bactericidal Activity and Eradication of Bacterial Biofilms. Macromol Biosci 2024:e2300489. [PMID: 38261742 DOI: 10.1002/mabi.202300489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/14/2023] [Indexed: 01/25/2024]
Abstract
In response to the escalating challenge of bacterial drug resistance, the imperative to counteract planktonic cell proliferation and eliminate entrenched biofilms underscores the necessity for cationic polymeric antibacterials. However, limited efficacy and cytotoxicity challenge their practical use. Here, novel imidazolium-based main-chain copolymers with imidazolium (PIm+ ) as the cationic component are introduced. By adjusting precursor molecules, hydrophobicity and cationic density of each unit are fine-tuned, resulting in broad-spectrum bactericidal activity against clinically relevant pathogens. PIm+ 1 stands out for its potent antibacterial performance, with a minimum inhibitory concentration of 32 µg mL-1 against Methicillin-resistant Staphylococcus aureus (MRSA), and substantial biofilm reduction in Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) biofilms. The bactericidal mechanism involves disrupting the outer and cytoplasmic membranes, depolarizing the cytoplasmic membrane, and triggering intracellular reactive oxygen species (ROS) generation. Collectively, this study postulates the potential of imidazolium-based main-chain copolymers, systematically tailored in their sequences, to serve as a promising candidate in combatting drug-resistant bacterial infections.
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Affiliation(s)
- Changjiang Liu
- Sun Yat-Sen University of Shenzhen Campus, School of Biomedical Engineering, Shenzhen, 518107, China
| | - Jialei Han
- Sun Yat-Sen University of Shenzhen Campus, School of Biomedical Engineering, Shenzhen, 518107, China
| | - Zeyuan Li
- Sun Yat-Sen University of Shenzhen Campus, School of Biomedical Engineering, Shenzhen, 518107, China
| | - Yadong Liu
- Sun Yat-Sen University of Shenzhen Campus, School of Biomedical Engineering, Shenzhen, 518107, China
| | - Ruodai Wu
- Shenzhen University General Hospital, Shenzhen, 518000, China
| | - Shuaishuai Cao
- Shenzhen University General Hospital, Shenzhen, 518000, China
| | - Dalin Wu
- Sun Yat-Sen University of Shenzhen Campus, School of Biomedical Engineering, Shenzhen, 518107, China
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, Shenzhen, 518107, China
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18
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Wang R, Li N, Liu H, Li R, Zhang L, Liu Z, Peng Q, Ren L, Liu J, Li B, Jiao T. Construction of cellulose acetate-based composite nanofiber films with effective antibacterial and filtration properties. Int J Biol Macromol 2024; 254:128102. [PMID: 37972842 DOI: 10.1016/j.ijbiomac.2023.128102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
In recent years, the safety of public health has attracted more and more attention. In order to avoid the spread of bacteria and reduce the diseases caused by their invasion of the human body, novel filtration and antibacterial materials have attracted more and more attention. In this work, the antibacterial agents silver nanoparticles (AgNPs) and cetylpyridine bromide (CPB) were introduced into a cellulose acetate (CA) nanofiber film by electrospinning technology to prepare CA-based composite films with good antibacterial and filtration properties. The results of the antibacterial test of the composite nanofiber films showed that AgNPs and CPB had synergistic antibacterial effects and exhibited good antibacterial properties against a variety of bacteria. In addition, in vitro cytotoxicity, skin irritation and skin sensitization experiments proved that the CA/AgNPs, CA/CPB and CA/CPB/AgNPs films produced no skin irritation or sensitization in the short term. These are expected to become potential materials for the preparation of new antibacterial masks. This work provides a new idea for developing materials with good antibacterial properties for enhancing protection via filtration masks.
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Affiliation(s)
- Ran Wang
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Na Li
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Hui Liu
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Ran Li
- School of Basic Medicine, Chengde Medical College, Chengde 067000, China
| | - Lexin Zhang
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Zhiwei Liu
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Qiuming Peng
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China
| | - Liqun Ren
- School of Basic Medicine, Chengde Medical College, Chengde 067000, China.
| | - Jinxia Liu
- School of Basic Medicine, Chengde Medical College, Chengde 067000, China.
| | - Bingfan Li
- School of Vehicles and Energy, Yanshan University, Qinhuangdao 066004, China.
| | - Tifeng Jiao
- State Key Laboratory of Metastable Materials Science and Technology, Hebei Key Laboratory of Applied Chemistry, Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao 066004, China.
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19
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Lv M, Wang K, Liang X, Chen Y, Tang X, Liu R, Chen W. Principle of CoS 2/ZnIn 2S 4 heterostructure effect and its mechanism of action in a visible light-catalyzed antibacterial process. J Colloid Interface Sci 2024; 653:879-893. [PMID: 37774652 DOI: 10.1016/j.jcis.2023.09.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/01/2023] [Accepted: 09/19/2023] [Indexed: 10/01/2023]
Abstract
The development of visible-light-driven catalytic antimicrobial technology is a significant challenge. In this study, heterojunctions were constructed for the appropriate modification of semiconductor-based photocatalysts. A simple hydrothermal method was used for material reconstruction, and smaller CoS2 nanoparticles were deposited and in situ grown on two-dimensional nanoflower-like ZnIn2S4 carriers to form CoS2/ZnIn2S4 (CS/ZIS) Schottky heterojunctions. Systematic study via characterization techniques and density functional theory calculations indicated that the excellent photocatalytic activity of CS/ZIS stemmed from the solid interfacial coupling between the two solid-phase materials. These materials acted as co-catalysts to increase the number of active reaction sites, enhance charge transfer, drive unidirectional electron movement, and improve charge separation efficiency, which effectively facilitated the production of reactive oxygen species (ROS). The optimized CS/ZIS heterojunction exhibited excellent performance for the efficient photocatalytic degradation of organic matter and inactivation of Escherichia coli (E. coli) compared with the ZnIn2S4 photocatalyst. Moreover, the antibacterial mechanism of the heterojunction photocatalyst and the extent of damage to the cell membrane and internal cytoplasm were explored by performing various assays. It was demonstrated that superoxide radicals are the predominant active species and multiple ROS act together to cause oxidative stress damage and cell inactivation.
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Affiliation(s)
- Meiru Lv
- Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming 650500, Yunnan, China.
| | - Kangfu Wang
- Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming 650500, Yunnan, China.
| | - Xingkun Liang
- Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming 650500, Yunnan, China.
| | - Yuanyuan Chen
- Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming 650500, Yunnan, China.
| | - Xiaoning Tang
- Faculty of Chemical Engineering Kunming University of Science and Technology, Kunming 650500, Yunnan, China.
| | - Rongliang Liu
- Zhuhai Painter Science and Technology Co., LTD., Zhuhai, 519090, Guangdong, China.
| | - Wei Chen
- Zhuhai Painter Science and Technology Co., LTD., Zhuhai, 519090, Guangdong, China.
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Kravchenko SV, Domnin PA, Grishin SY, Vershinin NA, Gurina EV, Zakharova AA, Azev VN, Mustaeva LG, Gorbunova EY, Kobyakova MI, Surin AK, Fadeev RS, Ostroumova OS, Ermolaeva SA, Galzitskaya OV. Enhancing the Antimicrobial Properties of Peptides through Cell-Penetrating Peptide Conjugation: A Comprehensive Assessment. Int J Mol Sci 2023; 24:16723. [PMID: 38069046 PMCID: PMC10706425 DOI: 10.3390/ijms242316723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Combining antimicrobial peptides (AMPs) with cell-penetrating peptides (CPPs) has shown promise in boosting antimicrobial potency, especially against Gram-negative bacteria. We examined the CPP-AMP interaction with distinct bacterial types based on cell wall differences. Our investigation focused on AMPs incorporating penetratin CPP and dihybrid peptides containing both cell-penetrating TAT protein fragments from the human immunodeficiency virus and Antennapedia peptide (Antp). Assessment of the peptides TAT-AMP, AMP-Antp, and TAT-AMP-Antp revealed their potential against Gram-positive strains (Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), and Bacillus cereus). Peptides TAT-AMP and AMP-Antp using an amyloidogenic AMP from S1 ribosomal protein Thermus thermophilus, at concentrations ranging from 3 to 12 μM, exhibited enhanced antimicrobial activity against B. cereus. TAT-AMP and TAT-AMP-Antp, using an amyloidogenic AMP from the S1 ribosomal protein Pseudomonas aeruginosa, at a concentration of 12 µM, demonstrated potent antimicrobial activity against S. aureus and MRSA. Notably, the TAT-AMP, at a concentration of 12 µM, effectively inhibited Escherichia coli (E. coli) growth and displayed antimicrobial effects similar to gentamicin after 15 h of incubation. Peptide characteristics determined antimicrobial activity against diverse strains. The study highlights the intricate relationship between peptide properties and antimicrobial potential. Mechanisms of AMP action are closely tied to bacterial cell wall attributes. Peptides with the TAT fragment exhibited enhanced antimicrobial activity against S. aureus, MRSA, and P. aeruginosa. Peptides containing only the Antp fragment displayed lower activity. None of the investigated peptides demonstrated cytotoxic or cytostatic effects on either BT-474 cells or human skin fibroblasts. In conclusion, CPP-AMPs offer promise against various bacterial strains, offering insights for targeted antimicrobial development.
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Affiliation(s)
- Sergey V. Kravchenko
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Pavel A. Domnin
- Biology Faculty, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Gamaleya Research Centre of Epidemiology and Microbiology, 123098 Moscow, Russia;
| | - Sergei Y. Grishin
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Nikita A. Vershinin
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Elena V. Gurina
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Anastasiia A. Zakharova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | - Viacheslav N. Azev
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Leila G. Mustaeva
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Elena Y. Gorbunova
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Margarita I. Kobyakova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
- Research Institute of Clinical and Experimental Lymphology—Branch of the Institute of Cytology and Genetics Siberian Branch of Russian Academy of Sciences, 630060 Novosibirsk, Russia
| | - Alexey K. Surin
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
- State Research Center for Applied Microbiology and Biotechnology, 142279 Obolensk, Russia
| | - Roman S. Fadeev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
| | - Olga S. Ostroumova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | | | - Oxana V. Galzitskaya
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
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Shi T, Cui Y, Yuan H, Qi R, Yu Y. Burgeoning Single-Atom Nanozymes for Efficient Bacterial Elimination. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2760. [PMID: 37887911 PMCID: PMC10609188 DOI: 10.3390/nano13202760] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/04/2023] [Accepted: 10/09/2023] [Indexed: 10/28/2023]
Abstract
To fight against antibacterial-resistant bacteria-induced infections, the development of highly efficient antibacterial agents with a low risk of inducing resistance is exceedingly urgent. Nanozymes can rapidly kill bacteria with high efficiency by generating reactive oxygen species via enzyme-mimetic catalytic reactions, making them promising alternatives to antibiotics for antibacterial applications. However, insufficient catalytic activity greatly limits the development of nanozymes to eliminate bacterial infection. By increasing atom utilization to the maximum, single-atom nanozymes (SAzymes) with an atomical dispersion of active metal sites manifest superior enzyme-like activities and have achieved great results in antibacterial applications in recent years. In this review, the latest advances in antibacterial SAzymes are summarized, with specific attention to the action mechanism involved in antibacterial applications covering wound disinfection, osteomyelitis treatment, and marine antibiofouling. The remaining challenges and further perspectives of SAzymes for practical antibacterial applications are also discussed.
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Affiliation(s)
- Tongyu Shi
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; (T.S.); (Y.C.); (H.Y.)
| | - Yuanyuan Cui
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; (T.S.); (Y.C.); (H.Y.)
| | - Huanxiang Yuan
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; (T.S.); (Y.C.); (H.Y.)
| | - Ruilian Qi
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China; (T.S.); (Y.C.); (H.Y.)
| | - Yu Yu
- School of Science, Beijing Jiaotong University, Beijing 100044, China
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22
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Jacukowicz-Sobala I, Kociołek-Balawejder E, Stanisławska E, Seniuk A, Paluch E, Wiglusz RJ, Dworniczek E. Biocidal activity of multifunctional cuprite-doped anion exchanger - Influence of bacteria type and medium composition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 891:164667. [PMID: 37286010 DOI: 10.1016/j.scitotenv.2023.164667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/01/2023] [Accepted: 06/02/2023] [Indexed: 06/09/2023]
Abstract
The study presents unconventional, bifunctional, heterogeneous antimicrobial agents - Cu2O-loaded anion exchangers. The synergetic effect of a cuprous oxide deposit and polymeric support with trimethyl ammonium groups was studied against the reference strains of Enterococcus faecalis ATCC 29212 and Pseudomonas aeruginosa ATCC 27853. Biological testing (minimum bactericidal concentration, MBC), time- and dose-dependent bactericidal effect (under different conditions - medium composition and static/dynamic culture) demonstrated promising antimicrobial activity and confirmed its multimode character. The standard values of MBC, for all studied hybrid polymers and bacteria, were similar (64-128 mg/mL). However, depending on the medium conditions, due to the copper release into the bulk solution, bacteria were actively killed even at much lower doses of the hybrid polymer (25 mg/mL) and low Cu(II) concentrations in solution (0.01 mg/L). Simultaneously, confocal microscopic studies confirmed the effective inhibition of bacterial adhesion and biofilm formation on their surface. The studies conducted under different conditions showed also the influence of the structure and physical properties of studied materials on the biocidal efficacy and an antimicrobial action mechanism was proposed that could be significantly affected by electrostatic interactions and copper release to the solution. Although the antibacterial activity was also dependent on various strategies of bacterial cell resistance to heavy metals present in the aqueous medium, the studied hybrid polymers are versatile and efficient biocidal agents against bacteria of both types, Gram-positive and Gram-negative. Therefore, they can be a convenient alternative for point-of-use water disinfection systems providing water quality in medical devices such as dental units, spa equipment, and aesthetic devices used in the cosmetic sector.
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Affiliation(s)
- Irena Jacukowicz-Sobala
- Department of Industrial Chemistry, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland.
| | | | - Ewa Stanisławska
- Department of Industrial Chemistry, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland
| | - Alicja Seniuk
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland
| | - Emil Paluch
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland
| | - Rafal J Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wroclaw, Poland
| | - Ewa Dworniczek
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland
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23
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Gracia-Ahufinger I, López-González L, Vasallo FJ, Galar A, Siller M, Pitart C, Bloise I, Torrecillas M, Gijón-Cordero D, Viñado B, Castillo-García J, Campo R, Mulet X, Madueño-Alonso A, Chamizo-López FJ, Arrastia-Erviti M, Galán-Sánchez F, Fernández-Quejo M, Rodríguez-Díaz JC, Gutiérrez-Zufiaurre MN, Rodríguez-Maresca MA, Ortega-Lafont MDP, Yagüe-Guirao G, Chaves-Blanco L, Colomina-Rodríguez J, Vidal-Acuña MR, Portillo ME, Franco-Álvarez de Luna F, Centelles-Serrano MJ, Azcona-Gutiérrez JM, Delgado-Iribarren García Campero A, Rey-Cao S, Muñoz P, Calvo-Montes J, Zboromyrska Y, Grandioso D, Càmara J, Cantón R, Larrosa-Escartín N, Díaz-Regañón J, Martínez-Martínez L. The CARBA-MAP study: national mapping of carbapenemases in Spain (2014-2018). Front Microbiol 2023; 14:1247804. [PMID: 37744921 PMCID: PMC10516297 DOI: 10.3389/fmicb.2023.1247804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/15/2023] [Indexed: 09/26/2023] Open
Abstract
Introduction Infections caused by carbapenem-resistant Enterobacterales (CRE) and carbapenem-resistant Pseudomonas aeruginosa, including isolates producing acquired carbapenemases, constitute a prevalent health problem worldwide. The primary objective of this study was to determine the distribution of the different carbapenemases among carbapenemase-producing Enterobacterales (CPE, specifically Escherichia coli, Klebsiella pneumoniae, Enterobacter cloacae complex, and Klebsiella aerogenes) and carbapenemase-producing P. aeruginosa (CPPA) in Spain from January 2014 to December 2018. Methods A national, retrospective, cross-sectional multicenter study was performed. The study included the first isolate per patient and year obtained from clinical samples and obtained for diagnosis of infection in hospitalized patients. A structured questionnaire was completed by the participating centers using the REDCap platform, and results were analyzed using IBM SPSS Statistics 29.0.0. Results A total of 2,704 carbapenemase-producing microorganisms were included, for which the type of carbapenemase was determined in 2692 cases: 2280 CPE (84.7%) and 412 CPPA (15.3%), most often using molecular methods and immunochromatographic assays. Globally, the most frequent types of carbapenemase in Enterobacterales and P. aeruginosa were OXA-48-like, alone or in combination with other enzymes (1,523 cases, 66.8%) and VIM (365 cases, 88.6%), respectively. Among Enterobacterales, carbapenemase-producing K. pneumoniae was reported in 1821 cases (79.9%), followed by E. cloacae complex in 334 cases (14.6%). In Enterobacterales, KPC is mainly present in the South and South-East regions of Spain and OXA-48-like in the rest of the country. Regarding P. aeruginosa, VIM is widely distributed all over the country. Globally, an increasing percentage of OXA-48-like enzymes was observed from 2014 to 2017. KPC enzymes were more frequent in 2017-2018 compared to 2014-2016. Discussion Data from this study help to understand the situation and evolution of the main species of CPE and CPPA in Spain, with practical implications for control and optimal treatment of infections caused by these multi-drug resistant organisms.
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Affiliation(s)
- Irene Gracia-Ahufinger
- Unit of Microbiology, Reina Sofia University Hospital, Cordoba, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba, Spain
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
| | - Laura López-González
- Clinical Microbiology Service, IML, San Carlos Clinical University Hospital, Madrid, Spain
- Health Research Institute of the Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Francisco José Vasallo
- Microbiology Service, Vigo University Hospital Complex (CHUVI), Vigo, Spain
- Health Research Institute Galicia Sur (IISGS), Vigo, Spain
| | - Alicia Galar
- Clinical Microbiology and Infectious Diseases Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Health Research Institute Hospital Gregorio Marañón, Madrid, Spain
- Medicine Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
- CIBER de Enfermedades Respiratorias (CIBERes), Instituto de Salud Carlos III, Madrid, Spain
| | - María Siller
- Microbiology Service, Marqués de Valdecilla University Hospital, Santander, Spain
- Marqués de Valdecilla Health Research Institute (IDIVAL), Santander, Spain
| | - Cristina Pitart
- Microbiology Service, Hospital Clinic, Barcelona, Spain
- Department of Basic Clinical Practice, University of Barcelona, Barcelona, Spain
- Institute of Global Health of Barcelona, Barcelona, Spain
| | - Iván Bloise
- Clinical Microbiology Department, La Paz University Hospital, Madrid, Spain
- Hospital La Paz Institute for Health Research (IdiPaz), Madrid, Spain
| | - Miriam Torrecillas
- Clinical Microbiology Department, Bellvitge University Hospital, L'Hospitalet de Llobregat, Spain
| | - Desirée Gijón-Cordero
- Microbiology Service, Ramón y Cajal University Hospital, Madrid, Spain
- Ramón y Cajal Institute for Health Research (IRYCIS), Madrid, Spain
| | - Belén Viñado
- Microbiology Service, Vall d'Hebron University Hospital, Barcelona, Spain
- Vall d'Hebron Research Institute (VHIR), Barcelona, Spain
| | - Javier Castillo-García
- Microbiology Service, Lozano Blesa Clinical University Hospital, Zaragoza, Spain
- Institute for Health Research Aragón (IIS Aragón), Zaragoza, Spain
- School of Medicine, University of Zaragoza, Zaragoza, Spain
| | - Rainer Campo
- Microbiology Service, Asturias Central University Hospital, Oviedo, Spain
| | - Xavier Mulet
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Microbiology Service, Son Espases University Hospital, Palma de Mallorca, Spain
- Institute for Health Research Illes Balears (IdISBa), Palma, Spain
| | - Ana Madueño-Alonso
- Microbiology Service, University Hospital of the Canary Islands, Tenerife, Spain
| | | | | | | | | | - Juan Carlos Rodríguez-Díaz
- Microbiology Service, General University Hospital Dr. Balmis, Alicante, Spain
- Health and Biomedical Research Institute of Alicante (ISABIAL), Alicante, Spain
| | | | | | | | - Genoveva Yagüe-Guirao
- Virgen de la Arrixaca University Hospital, Murcia, Spain
- Department of Genetics and Microbiology, University of Murcia, Murcia, Spain
- Murcian Institute for Biomedical Research (IMIB), Murcia, Spain
| | - Lucía Chaves-Blanco
- Microbiology Service, San Cecilio Clinical University Hospital, Granada, Spain
| | | | | | - María Eugenia Portillo
- Clinical Microbiology Service, University Hospital of Navarra, Pamplona, Spain
- Health Research Institute of Navarra (IdiSNA), Pamplona, Spain
| | | | - María José Centelles-Serrano
- Microbiology Area, Clinical Laboratory, Hospital of Tortosa Virgen de la Cinta, Tortosa, Spain
- Institute for Health Research Pere Virgili, Tortosa, Spain
| | | | | | - Sonia Rey-Cao
- Microbiology Service, Vigo University Hospital Complex (CHUVI), Vigo, Spain
- Health Research Institute Galicia Sur (IISGS), Vigo, Spain
| | - Patricia Muñoz
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Clinical Microbiology and Infectious Diseases Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Health Research Institute Hospital Gregorio Marañón, Madrid, Spain
- Medicine Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
- CIBER de Enfermedades Respiratorias (CIBERes), Instituto de Salud Carlos III, Madrid, Spain
| | - Jorge Calvo-Montes
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Microbiology Service, Marqués de Valdecilla University Hospital, Santander, Spain
- Marqués de Valdecilla Health Research Institute (IDIVAL), Santander, Spain
| | - Yuliya Zboromyrska
- Microbiology Service, Hospital Clinic, Barcelona, Spain
- Department of Basic Clinical Practice, University of Barcelona, Barcelona, Spain
| | - David Grandioso
- Clinical Microbiology Department, La Paz University Hospital, Madrid, Spain
- Hospital La Paz Institute for Health Research (IdiPaz), Madrid, Spain
| | - Jordi Càmara
- CIBER de Enfermedades Respiratorias (CIBERes), Instituto de Salud Carlos III, Madrid, Spain
- Department of Basic Clinical Practice, University of Barcelona, Barcelona, Spain
- Clinical Microbiology Department, Bellvitge University Hospital, L'Hospitalet de Llobregat, Spain
- Institut Investigacio Biomedica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Spain
| | - Rafael Cantón
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Microbiology Service, Ramón y Cajal University Hospital, Madrid, Spain
- Ramón y Cajal Institute for Health Research (IRYCIS), Madrid, Spain
| | - Nieves Larrosa-Escartín
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Microbiology Service, Vall d'Hebron University Hospital, Barcelona, Spain
- Vall d'Hebron Research Institute (VHIR), Barcelona, Spain
| | | | - Luis Martínez-Martínez
- Unit of Microbiology, Reina Sofia University Hospital, Cordoba, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba, Spain
- Center for Biomedical Research in Infectious Diseases (CIBERINFEC), Carlos III Health Institute (ISCIII), Madrid, Spain
- Department of Agricultural Chemistry, Soil Science and Microbiology, University of Cordoba, Cordoba, Spain
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Ma T, Huang K, Cheng N. Recent Advances in Nanozyme-Mediated Strategies for Pathogen Detection and Control. Int J Mol Sci 2023; 24:13342. [PMID: 37686145 PMCID: PMC10487713 DOI: 10.3390/ijms241713342] [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: 07/14/2023] [Revised: 08/13/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Pathogen detection and control have long presented formidable challenges in the domains of medicine and public health. This review paper underscores the potential of nanozymes as emerging bio-mimetic enzymes that hold promise in effectively tackling these challenges. The key features and advantages of nanozymes are introduced, encompassing their comparable catalytic activity to natural enzymes, enhanced stability and reliability, cost effectiveness, and straightforward preparation methods. Subsequently, the paper delves into the detailed utilization of nanozymes for pathogen detection. This includes their application as biosensors, facilitating rapid and sensitive identification of diverse pathogens, including bacteria, viruses, and plasmodium. Furthermore, the paper explores strategies employing nanozymes for pathogen control, such as the regulation of reactive oxygen species (ROS), HOBr/Cl regulation, and clearance of extracellular DNA to impede pathogen growth and transmission. The review underscores the vast potential of nanozymes in pathogen detection and control through numerous specific examples and case studies. The authors highlight the efficiency, rapidity, and specificity of pathogen detection achieved with nanozymes, employing various strategies. They also demonstrate the feasibility of nanozymes in hindering pathogen growth and transmission. These innovative approaches employing nanozymes are projected to provide novel options for early disease diagnoses, treatment, and prevention. Through a comprehensive discourse on the characteristics and advantages of nanozymes, as well as diverse application approaches, this paper serves as a crucial reference and guide for further research and development in nanozyme technology. The expectation is that such advancements will significantly contribute to enhancing disease control measures and improving public health outcomes.
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Affiliation(s)
- Tianyi Ma
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (T.M.); (K.H.)
| | - Kunlun Huang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (T.M.); (K.H.)
- Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety), Ministry of Agriculture, Beijing 100083, China
| | - Nan Cheng
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (T.M.); (K.H.)
- Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety), Ministry of Agriculture, Beijing 100083, China
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Lin L, Fang M, Liu W, Zheng M, Lin R. Recent advances and perspectives of functionalized carbon dots in bacteria sensing. Mikrochim Acta 2023; 190:363. [PMID: 37610450 DOI: 10.1007/s00604-023-05938-1] [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: 01/31/2023] [Accepted: 07/28/2023] [Indexed: 08/24/2023]
Abstract
Bacterial infectious diseases are severe threats to human health and increase substantial financial burdens. Nanomaterials have shown great potential in timely and accurate bacterial identification, detection, and monitoring to improve the cure rate and reduce mortality. Recently, carbon dots have been evidenced to be ideal candidates for bacterial identification and detection due to their superior physicochemical properties and biocompatibility. This review outlines the detailed recognition elements and recognition strategies with functionalized carbon dots (FCDs) for bacterial identification and detection. The advantages and limitations of different kinds of FCDs-based sensors will be critically discussed. Meanwhile, the ongoing challenges and perspectives of FCDs-based sensors for bacteria sensing are put forward.
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Affiliation(s)
- Liping Lin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Meng Fang
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Wei Liu
- Department of Bioinformatics, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Meixia Zheng
- Agricultural Bio-Resources Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, 350003, China
| | - Rongguang Lin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
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26
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Liang H, Huang Q, Zou L, Wei P, Lu J, Zhang Y. Methyl gallate: Review of pharmacological activity. Pharmacol Res 2023; 194:106849. [PMID: 37429335 DOI: 10.1016/j.phrs.2023.106849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Methyl gallate (MG) is a polyphenolic compound widely found in natural plants. MG has been shown to have a variety of biological functions, including anti-tumor, anti-inflammatory, anti-oxidant, neuroprotective, hepatoprotective and anti-microbial activities, and has broad research and development prospects. A total of 88 articles related to MG were searched using the PubMed, Science Direct, and Google Scholar databases, systematically investigating the pharmacological activity and molecular mechanisms of MG. There were no restrictions on the publication years, and the last search was conducted on June 5, 2023. MG can exert pharmacological effects through multiple pathways and targets, such as PI3K/Akt, ERK1/2, Caspase, AMPK/NF-κB, Wnt/β-catenin, TLR4/NF-κB, MAPK, p53, NLRP3, ROS, EMT. According to the literature, MG has the potential to be a prospective adjuvant for anticancer therapy and deserves further study.
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Affiliation(s)
- Huaguo Liang
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Qingsong Huang
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Li Zou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Peng Wei
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Jiazheng Lu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Yongli Zhang
- School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, PR China.
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27
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Liu Z, Li X, Jin Y, Nan T, Zhao Y, Huang L, Yuan Y. New Evidence for Artemisia absinthium as an Alternative to Classical Antibiotics: Chemical Analysis of Phenolic Compounds, Screening for Antimicrobial Activity. Int J Mol Sci 2023; 24:12044. [PMID: 37569422 PMCID: PMC10418608 DOI: 10.3390/ijms241512044] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/17/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Artemisia absinthium, an important herb of the Artemisia genus, was evaluated in this study for its potential as an alternative to classical antibiotics. The antimicrobial activity of methanol extracts of A. absinthium (MEAA) was evaluated using the broth microdilution method, revealing that A. absinthium exhibited broad-spectrum antibacterial and antifungal activity. Ultra-performance liquid chromatography-quadrupole-time of flight mass spectrometry (UPLC-Q-TOF-MS) was used to analyze the chemical profile of the MEAA, with a focus on flavonoids, quinic acids, and glucaric acids. A total of 90 compounds were identified, 69 of which were described for the first time in A. absinthium. Additionally, a new class of caffeoyl methyl glucaric acids was identified. The main active compounds were quantified and screened for antimicrobial activity. A. absinthium was found to be rich in quinic acids and flavonoids. The screening for antimicrobial activity also revealed that salicylic acid, caffeic acid, casticin, and 3,4-dicaffeoylquinic acid had varying degrees of antimicrobial activity. The acute toxicity of MEAA was examined following OECD guidelines. The administration of 5000 mg/kg bw of MEAA did not result in mortality in male and female mice. Furthermore, there were no observed effects on the visceral organs or general behavior of the mice, demonstrating the good safety of MEAA. This study provides new evidence for the use of A. absinthium as an alternative to classical antibiotics in addressing the problem of bacterial resistance.
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Affiliation(s)
| | | | | | - Tiegui Nan
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Z.L.)
| | | | | | - Yuan Yuan
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Z.L.)
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Li B, Chang G, Dang Q, Liu C, Song H, Chen A, Yang M, Shi L, Zhang B, Cha D. Preparation and characterization of antibacterial, antioxidant, and biocompatible p-coumaric acid modified quaternized chitosan nanoparticles. Int J Biol Macromol 2023:125087. [PMID: 37247710 DOI: 10.1016/j.ijbiomac.2023.125087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/11/2023] [Accepted: 05/23/2023] [Indexed: 05/31/2023]
Abstract
To fabricate multifunctional nanoparticles (NPs) based on chitosan (CS) derivative, we first prepared quaternized CS (2-hydroxypropyltrimethyl ammonium chloride CS, HTCC) via a one-step approach, then synthesized p-coumaric acid (p-CA) modified HTCC (HTCC-CA) for the first time through amide reaction, and finally fabricated a series of NPs (HTCC-CA NPs) using HTCC-CAs with different substitution degrees and sodium tripolyphosphate (TPP) by ionic gelation. Newly-prepared HTCC and HTCC-CAs were characterized by FT-IR, 1H NMR, elemental analysis (EA), full-wavelength UV scanning, silver nitrate titration, and Folin-Ciocalteu methods. DLS and TEM results demonstrated that three selected HTCC-CA NPs had moderate size (< 350 nm), good dispersion (PDI < 0.4), and positive zeta potential (11-20 mV). The HTCC-CA NPs had high antibacterial activity against six bacterial strains, and the minimum inhibitory concentration (MIC) values were almost the same as the minimum bactericidal concentration (MBC) values (250-1000 μg/mL). Also, the HTCC-CA NPs had good antioxidation (radical scavenging ratio > 65 %) and low cytotoxicity (relative cell viability >80 %) to the tested cells. Totally, HTCC-CA NPs with high antibacterial activity, great antioxidation, and low cytotoxicity might serve as new biomedical materials for promoting skin wound healing.
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Affiliation(s)
- Boyuan Li
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Guozhu Chang
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Qifeng Dang
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Chengsheng Liu
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China.
| | - Hao Song
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Aoqing Chen
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Meng Yang
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Lufei Shi
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
| | - Bonian Zhang
- Qingdao Aorun Biotechnology Co., Ltd., Room 602, Century Mansion, 39 Donghaixi Road, Qingdao 266071, PR China
| | - Dongsu Cha
- The Graduate School of Biotechnology, Korea University, Seoul 136-701, South Korea
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Li G, Lv K, Cheng Q, Xing H, Xue W, Zhang W, Lin Q, Ma D. Enhanced Bacterial-Infected Wound Healing by Nitric Oxide-Releasing Topological Supramolecular Nanocarriers with Self-Optimized Cooperative Multi-Point Anchoring. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206959. [PMID: 36793143 PMCID: PMC10104656 DOI: 10.1002/advs.202206959] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Polymeric systems that provide cationic charges or biocide-release therapeutics are used to treat the bacteria-infected wound. However, most antibacterial polymers based on topologies with restricted molecular dynamics still do not satisfy the clinical requirements due to their limited antibacterial efficacy at safe concentrations in vivo. Here a NO-releasing topological supramolecular nanocarrier with rotatable and slidable molecular entities is reported to provide conformational freedom to promote the interactions between the carrier and the pathogenic microbes, hence greatly improving the antibacterial performance. With improved contacting-killing and efficient delivery of NO biocide from the molecularly dynamic cationic ligand design, the NO-loaded topological nanocarrier achieves excellent antibacterial and anti-biofilm effects via destroying the bacterial membrane and DNA. MRSA-infected rat model is also brought out to demonstrate its wound-healing effect with neglectable toxicity in vivo. Introducing flexible molecular motions into therapeutic polymeric systems is a general design to enhance the healing of a range of diseases.
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Affiliation(s)
- Guowei Li
- Department of Nuclear Medicine and PET/CT‐MRI CenterThe First Affiliated Hospital of Jinan UniversityGuangzhou510630China
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
| | - Kai Lv
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
| | - Qikun Cheng
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
| | - Hui Xing
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
| | - Wu Zhang
- The First Affiliated Hospital of Jinan UniversityJinan UniversityGuangzhou510630China
- School of Stomatology of Jinan UniversityJinan UniversityGuangzhou510632China
| | - Qianming Lin
- School of Biomedical EngineeringSun Yat‐sen University, Shenzhen CampusShenzhen518107China
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510006China
| | - Dong Ma
- Key Laboratory of Biomaterials of Guangdong Higher Education InstitutesDepartment of Biomedical EngineeringJinan UniversityGuangzhou510632China
- MOE Key Laboratory of Tumor Molecular BiologyJinan UniversityGuangzhou510632China
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30
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Gao S, Sun Y, Lu Z, Jiang N, Yao H. Synergistic antibacterial and biofilm eradication activity of quaternary-ammonium compound with copper ion. J Inorg Biochem 2023; 243:112190. [PMID: 36965431 DOI: 10.1016/j.jinorgbio.2023.112190] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/15/2023]
Abstract
Antibiotics overuse and misuse increase the emergence of multidrug-resistant bacterial strains, which often leads to the failure of conventional antibiotic therapies. Even worse, the tendency of bacteria to form biofilms further increases the therapeutic difficulty, because the extracellular matrix prevents the penetration of antibiotics and triggers bacterial tolerance. Therefore, developing novel antibacterial agents or therapeutic strategies with diverse antibacterial mechanisms and destruction of bacteria biofilm is a promising way to combat bacterial infections. In the present study, the combination of quaternary ammonium compound poly(diallyl dimethyl ammonium chloride) (PDDA) with Cu2+ was screened out to fight common pathogenic Staphylococcus aureus (S. aureus) through multi-mechanisms. This combination appeared strong synergistic antibacterial activity, and the fractional inhibitory concentration index was as low as 0.032. The synergistic antibacterial mechanism involved the destruction of the membrane function, generation of intracellular reactive oxygen, and promotion more Cu2+ into the cytoplasm. Further, the combination of PDDA and Cu2+ reduced the extracellular polysaccharide matrix, meanwhile killing the bacteria embedded in the biofilm. The biocompatibility study in vitro revealed this combination exhibited low cytotoxicity and hemolysis ratio even at 8 times of minimum bactericidal concentration. This work provides a novel antibacterial agents combination with higher efficiency to fight planktonic and biofilm conditions of S. aureus.
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Affiliation(s)
- Songtai Gao
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
| | - Yujun Sun
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zhong Lu
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Nan Jiang
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
| | - Huaiying Yao
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China; Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China.
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31
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Meng Y, Sun J, Zhang G, Yu T, Piao H. Bacteria associated with glioma: a next wave in cancer treatment. Front Cell Infect Microbiol 2023; 13:1164654. [PMID: 37201117 PMCID: PMC10185885 DOI: 10.3389/fcimb.2023.1164654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/21/2023] [Indexed: 05/20/2023] Open
Abstract
Malignant gliomas occur more often in adults and may affect any part of the central nervous system (CNS). Although their results could be better, surgical excision, postoperative radiation and chemotherapy, and electric field therapy are today's mainstays of glioma care. However, bacteria can also exert anti-tumor effects via mechanisms such as immune regulation and bacterial toxins to promote apoptosis, inhibit angiogenesis, and rely on their natural characteristics to target the tumor microenvironment of hypoxia, low pH, high permeability, and immunosuppression. Tumor-targeted bacteria expressing anticancer medications will go to the cancer site, colonize the tumor, and then produce the therapeutic chemicals that kill the cancer cells. Targeting bacteria in cancer treatment has promising prospects. Rapid advances have been made in the study of bacterial treatment of tumors, including using bacterial outer membrane vesicles to load chemotherapy drugs or combine with nanomaterials to fight tumors, as well as the emergence of bacteria combined with chemotherapy, radiotherapy, and photothermal/photodynamic therapy. In this study, we look back at the previous years of research on bacteria-mediated glioma treatment and move forward to where we think it is headed.
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Affiliation(s)
- Yiming Meng
- Department of Central Laboratory, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
- *Correspondence: Yiming Meng, ; Tao Yu, ; Haozhe Piao,
| | - Jing Sun
- Department of Biobank, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
| | - Guirong Zhang
- Department of Central Laboratory, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
| | - Tao Yu
- Department of Medical Imaging, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
- *Correspondence: Yiming Meng, ; Tao Yu, ; Haozhe Piao,
| | - Haozhe Piao
- Department of Central Laboratory, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
- Department of Neurosurgery, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute. No. 44, Shenyang, China
- *Correspondence: Yiming Meng, ; Tao Yu, ; Haozhe Piao,
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