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Araújo D, Silva AR, Fernandes R, Serra P, Barros MM, Campos AM, Oliveira R, Silva S, Almeida C, Castro J. Emerging Approaches for Mitigating Biofilm-Formation-Associated Infections in Farm, Wild, and Companion Animals. Pathogens 2024; 13:320. [PMID: 38668275 PMCID: PMC11054384 DOI: 10.3390/pathogens13040320] [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: 03/15/2024] [Revised: 04/05/2024] [Accepted: 04/11/2024] [Indexed: 04/29/2024] Open
Abstract
The importance of addressing the problem of biofilms in farm, wild, and companion animals lies in their pervasive impact on animal health and welfare. Biofilms, as resilient communities of microorganisms, pose a persistent challenge in causing infections and complicating treatment strategies. Recognizing and understanding the importance of mitigating biofilm formation is critical to ensuring the welfare of animals in a variety of settings, from farms to the wild and companion animals. Effectively addressing this issue not only improves the overall health of individual animals, but also contributes to the broader goals of sustainable agriculture, wildlife conservation, and responsible pet ownership. This review examines the current understanding of biofilm formation in animal diseases and elucidates the complex processes involved. Recognizing the limitations of traditional antibiotic treatments, mechanisms of resistance associated with biofilms are explored. The focus is on alternative therapeutic strategies to control biofilm, with illuminating case studies providing valuable context and practical insights. In conclusion, the review highlights the importance of exploring emerging approaches to mitigate biofilm formation in animals. It consolidates existing knowledge, highlights gaps in understanding, and encourages further research to address this critical facet of animal health. The comprehensive perspective provided by this review serves as a foundation for future investigations and interventions to improve the management of biofilm-associated infections in diverse animal populations.
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Affiliation(s)
- Daniela Araújo
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- CEB—Centre of Biological Engineering Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Ana Rita Silva
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
| | - Rúben Fernandes
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
| | - Patrícia Serra
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
| | - Maria Margarida Barros
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- CECAV—Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - Ana Maria Campos
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
| | - Ricardo Oliveira
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- AliCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Sónia Silva
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- CEB—Centre of Biological Engineering Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Carina Almeida
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- CEB—Centre of Biological Engineering Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- AliCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Joana Castro
- INIAV—National Institute for Agrarian and Veterinarian Research, Rua dos Lagidos, 4485-655 Vila do Conde, Portugal; (A.R.S.); (R.F.); (P.S.); (M.M.B.); (A.M.C.); (R.O.); (S.S.); (C.A.)
- CEB—Centre of Biological Engineering Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
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2
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Elumalai R, Vishwakarma A, Balakrishnan A, Ramya M. Assessment of the growth inhibition and anti-biofilm activity of aptamer (PmA2G02) against Proteus mirabilis 1429 T. Res Microbiol 2024; 175:104105. [PMID: 37429429 DOI: 10.1016/j.resmic.2023.104105] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/15/2023] [Accepted: 07/01/2023] [Indexed: 07/12/2023]
Abstract
Proteus mirabilis is known to cause Catheter-associated urinary tract infections (CAUTIs), which exhibit virulence factors linked to forming biofilms. Aptamers have recently been explored as potential anti-biofilm agents. This study demonstrates the anti-biofilm activity of aptamer (PmA2G02) targeting P. mirabilis 1429T, a pathogenic bacteria known to cause Catheter-associated urinary tract infections (CAUTIs). The studied aptamer inhibited biofilm formation, swarming motility, and cell viability at a concentration of 3 μM. The study also showed that the PmA2G02 had a binding affinity towards fimbrial outer membrane usher protein (PMI1466), flagellin protein (PMI1619), and regulator of swarming behavior (rsbA), which are responsible for adhesion, motility, and quorum sensing, respectively. Crystal violet assay, SEM, and confocal imaging confirmed the effectiveness of the PmA2G02 as an anti-biofilm agent. Moreover, as verified by qPCR, the expression levels of fimD, fliC2, and rsbA were significantly reduced compared to the untreated group. This study suggests that aptamer may be a potential alternative to traditional antibiotics for the treatment of CAUTIs caused by P. mirabilis. These findings shed light on the mechanisms by which the aptamer inhibits biofilm formation.
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Affiliation(s)
- Rajalakshmi Elumalai
- Molecular Genetics Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu, Tamil Nadu, India
| | - Archana Vishwakarma
- Molecular Genetics Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu, Tamil Nadu, India
| | - Anandkumar Balakrishnan
- Corrosion Science and Technology Division, Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, India; Homi Bhabha National Institute Kalpakkam, Mumbai 400094, India
| | - Mohandass Ramya
- Molecular Genetics Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu, Tamil Nadu, India.
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3
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Sousa AM, Ferreira D, Rodrigues LR, Pereira MO. Aptamer-based therapy for fighting biofilm-associated infections. J Control Release 2024; 367:522-539. [PMID: 38295992 DOI: 10.1016/j.jconrel.2024.01.061] [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: 09/30/2023] [Revised: 01/06/2024] [Accepted: 01/27/2024] [Indexed: 02/06/2024]
Abstract
Biofilms are key players in the pathogenesis of most of chronic infections associated with host tissue or fluids and indwelling medical devices. These chronic infections are hard to be treated due to the increased biofilms tolerance towards antibiotics in comparison to planktonic (or free living) cells. Despite the advanced understanding of their formation and physiology, biofilms continue to be a challenge and there is no standardized therapeutic approach in clinical practice to eradicate them. Aptamers offer distinctive properties, including excellent affinity, selectivity, stability, making them valuable tools for therapeutic purposes. This review explores the flexibility and designability of aptamers as antibiofilm drugs but, importantly, as targeting tools for diverse drug and delivery systems. It highlights specific examples of application of aptamers in biofilms of diverse species according to different modes of action including inhibition of motility and adhesion, blocking of quorum sensing molecules, and dispersal of biofilm-cells to planktonic state. Moreover, it discusses the limitations and challenges that impaired an increased success of the use of aptamers on biofilm management, as well as the opportunities related to aptamers modifications that can significantly expand their applicability on the biofilm field.
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Affiliation(s)
- Ana Margarida Sousa
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal.
| | - Débora Ferreira
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Lígia Raquel Rodrigues
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Maria Olívia Pereira
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Guimarães, Portugal.
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4
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Li D, Su Y, Li J, Liu R, Fang B, He J, Xu W, Zhu L. Applications and Challenges of Bacteriostatic Aptamers in the Treatment of Common Pathogenic Bacteria Infections. Biomacromolecules 2023; 24:4568-4586. [PMID: 37728999 DOI: 10.1021/acs.biomac.3c00634] [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: 09/22/2023]
Abstract
The continuous evolution and spread of common pathogenic bacteria is a major challenge in diagnosis and treatment with current biotechnology and modern molecular medicine. To confront this challenge, scientists urgently need to find alternatives for traditional antimicrobial agents. Various bacteriostatic aptamers obtained through SELEX screening are one of the most promising strategies. These bacteriostatic aptamers can reduce bacterial infection by blocking bacterial toxin infiltration, inhibiting biofilm formation, preventing bacterial invasion of immune cells, interfering with essential biochemical processes, and other mechanisms. In addition, aptamers may also help enhance the function of other antibacterial materials/drugs when used in combination. This paper has reviewed the bacteriostatic aptamers in the treatment of common pathogenic bacteria infections. For this aspect, first, bacteriostatic aptamers and their screening strategies are summarized. Then, the effect of molecular tailoring and modification on the performance of the bacteriostatic aptamer is analyzed, and the antibacterial mechanism and antibacterial strategy based on aptamers are introduced. Finally, the key technical challenges and their development prospects in clinical treatment are also carefully discussed.
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Affiliation(s)
- Diandian Li
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Yuan Su
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Jie Li
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Rong Liu
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Bing Fang
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Jingjing He
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Wentao Xu
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
| | - Longjiao Zhu
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100193, China
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5
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Zhao A, Sun J, Liu Y. Understanding bacterial biofilms: From definition to treatment strategies. Front Cell Infect Microbiol 2023; 13:1137947. [PMID: 37091673 PMCID: PMC10117668 DOI: 10.3389/fcimb.2023.1137947] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 03/09/2023] [Indexed: 04/08/2023] Open
Abstract
Bacterial biofilms are complex microbial communities encased in extracellular polymeric substances. Their formation is a multi-step process. Biofilms are a significant problem in treating bacterial infections and are one of the main reasons for the persistence of infections. They can exhibit increased resistance to classical antibiotics and cause disease through device-related and non-device (tissue) -associated infections, posing a severe threat to global health issues. Therefore, early detection and search for new and alternative treatments are essential for treating and suppressing biofilm-associated infections. In this paper, we systematically reviewed the formation of bacterial biofilms, associated infections, detection methods, and potential treatment strategies, aiming to provide researchers with the latest progress in the detection and treatment of bacterial biofilms.
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Affiliation(s)
- Ailing Zhao
- Department of Gastroenterology, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong, China
| | - Jiazheng Sun
- Department of Vasculocardiology, Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Yipin Liu
- Department of Gastroenterology, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong, China
- *Correspondence: Yipin Liu,
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6
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Ommen P, Hansen L, Hansen BK, Vu-Quang H, Kjems J, Meyer RL. Aptamer-Targeted Drug Delivery for Staphylococcus aureus Biofilm. Front Cell Infect Microbiol 2022; 12:814340. [PMID: 35573794 PMCID: PMC9104115 DOI: 10.3389/fcimb.2022.814340] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 02/09/2022] [Indexed: 12/12/2022] Open
Abstract
Treatment of Staphylococcus aureus biofilm infections using conventional antibiotic therapy is challenging as only doses that are sublethal to the biofilm can be administered safely to patients. A potential solution to this challenge is targeted drug delivery. In this study, we tailored an aptamer-targeted liposomal drug delivery system for accumulation and delivery of antibiotics locally in S. aureus biofilm. In our search for a suitable targeting ligand, we identified six DNA aptamers that bound to S. aureus cells in biofilms, and we demonstrated that one of these aptamers could facilitate accumulation of liposomes around S. aureus cells inside the biofilm. Aptamer-targeted liposomes encapsulating a combination of vancomycin and rifampicin were able to eradicate S. aureus biofilm upon 24 h of treatment in vitro. Our results point to that aptamer-targeted drug delivery of antibiotics is a potential new strategy for treatment of S. aureus biofilm infections.
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Affiliation(s)
- Pernille Ommen
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
| | - Line Hansen
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
| | - Bente K. Hansen
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
| | - Hieu Vu-Quang
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
| | - Jørgen Kjems
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
- Department of Bioscience, Aarhus University, Aarhus C, Denmark
| | - Rikke L. Meyer
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C, Denmark
- Department of Bioscience, Aarhus University, Aarhus C, Denmark
- *Correspondence: Rikke L. Meyer,
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7
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Hosseini B, Behbahani M, Dini G, Mohabatkar H, Keyhanfar M. Investigating the anti-streptococcal biofilm effect of ssDNA aptamer-silver nanoparticles complex on a titanium-based substrate. RSC Adv 2022; 12:24876-24886. [PMID: 36276899 PMCID: PMC9475424 DOI: 10.1039/d2ra04112j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 08/17/2022] [Indexed: 11/29/2022] Open
Abstract
Streptococcus mutans is a commensal and opportunistic pathogen that causes several diseases by forming a biofilm in humans and animals in many areas such as nasopharyngeal, cardiac valves, lungs, and oral cavity. Biofilms are very important in prosthetic infections associated with medical implants. The use of nanoparticles is one of the evolving fields in biofilm targeting. Silver nanoparticles can be used for biofilm targeting due to their inherent antimicrobial properties. Hybridization of nanoparticles with small molecules increases their biological properties and makes them multifunctional. The present investigation aimed to design an appropriate silver nanoparticles–aptamer complex that binds to the surface receptors of streptococcal strains. For this reason, silver nanoparticles with particle sizes in a range of 50 to 70 nm were synthesized and connected to a designed aptamer with a streptavidin–biotin linker. Then, the effect of the complex was investigated on the S. mutans biofilm formed on the surface of a medical-grade titanium substrate. The silver nanoparticles–aptamer complex at a concentration of 100 μg mL−1 after 48 h inhibited 43% of the biofilm formation and degraded 63% of the formed biofilm. Also, the cell availability reached 96% and the complex was stable in cell medium culture for 360 min. It was concluded that this complex could be a good candidate for removing the formed biofilms on the surface of titanium implants. Silver nanoparticles attached to the specific aptamer forStreptococcus mutans, can significantly remove the biofilm of this bacterium attached to the surface of the titanium implant.![]()
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Affiliation(s)
- Barumand Hosseini
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 81746-73441, Iran
| | - Mandana Behbahani
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 81746-73441, Iran
| | - Ghasem Dini
- Department of Nanotechnology, Faculty of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Hassan Mohabatkar
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 81746-73441, Iran
| | - Mehrnaz Keyhanfar
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 81746-73441, Iran
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8
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Chen XF, Zhao X, Yang Z. Aptamer-Based Antibacterial and Antiviral Therapy against Infectious Diseases. J Med Chem 2021; 64:17601-17626. [PMID: 34854680 DOI: 10.1021/acs.jmedchem.1c01567] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nucleic acid aptamers are single-stranded DNA or RNA molecules selected in vitro that can bind to a broad range of targets with high affinity and specificity. As promising alternatives to conventional anti-infective agents, aptamers have gradually revealed their potential in the combat against infectious diseases. This article provides an overview on the state-of-art of aptamer-based antibacterial and antiviral therapeutic strategies. Diverse aptamers targeting pathogen-related components or whole pathogenic cells are summarized according to the species of microorganisms. These aptamers exhibited remarkable in vitro and/or in vivo inhibitory effect for pathogenic invasion, enzymatic activities, or viral replication, even for some highly drug-resistant strains and biofilms. Aptamer-mediated drug delivery and controlled drug release strategies are also included herein. Critical technical barriers of therapeutic aptamers are briefly discussed, followed by some future perspectives for their implementation into clinical utility.
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Affiliation(s)
- Xiao-Fei Chen
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, PR China
| | - Xin Zhao
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, PR China
| | - Zifeng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, PR China.,Guangzhou Laboratory, Guangzhou 510320, PR China.,Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, Guangzhou 510005, PR China
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9
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Wang F, Tan J, Zhang S, Zhou Y, He D, Deng L. Efficient Eradication of Bacterial Biofilms with Highly Specific Graphene-Based Nanocomposite Sheets. ACS Biomater Sci Eng 2021; 7:5118-5128. [PMID: 34664941 DOI: 10.1021/acsbiomaterials.1c00575] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bacterial biofilms are usually resistant to antibiotics, thus powerful methods are required for removal. Nanomaterial involving a combination of treatment modalities recently has been recognized as an effective alternative to combat biofilm. However, its targeted and controlled release in bacterial infection is still a major challenge. Here, we present an intelligent phototherapeutic nanoplatform consisting of an aptamer (Apt), indocyanine green (ICG), and carboxyl-functionalized graphene oxide (GO-COOH), namely, ICG@GO-Apt, for targeted treatment of the biofilm formed by Salmonella Typhimurium. Since Apt-conjugated nanosheets (NSs) can specifically accumulate near abscess caused by the pathogens, they enhance greatly the local drug molecule concentration and promote their precise delivery. They can simultaneously generate heat and reactive oxygen species under near-infrared irradiation for photothermal/photodynamic therapy, thereby significantly enhancing biofilm elimination. The phototherapeutic ICG@GO-Apt also displays a good biocompatibility. More importantly, the multifunction phototherapeutic platform shows an efficient biofilm elimination with an efficiency of greater than 99.99% in an abscess formation model. Therefore, ICG@GO-Apt NSs with bacteria-targeting capability provide a reliable tool for clinical bacterial infection that circumvents antibiotic resistance.
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Affiliation(s)
- Feiying Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China.,Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha 410208, Hunan, People's Republic of China
| | - Jianxi Tan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China.,Changsha Customs Technology Center, Xiangfu middle Road 188, Changsha, Hunan 410004, People's Republic of China
| | - Shengnan Zhang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China
| | - Yan Zhou
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China
| | - Dinggeng He
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China
| | - Le Deng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha 410081, Hunan, People's Republic of China
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10
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Hemmati F, Rezaee MA, Ebrahimzadeh S, Yousefi L, Nouri R, Kafil HS, Gholizadeh P. Novel Strategies to Combat Bacterial Biofilms. Mol Biotechnol 2021; 63:569-586. [PMID: 33914260 DOI: 10.1007/s12033-021-00325-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 04/09/2021] [Indexed: 12/15/2022]
Abstract
Biofilms are considered as a severe problem in the treatment of bacterial infections; their development causes some noticeable resistance to antibacterial agents. Biofilms are responsible for at least two-thirds of all infections, displaying promoted resistance to classical antibiotic treatments. Therefore, finding new alternative therapeutic approaches is essential for the treatment and inhibition of biofilm-related infections. Therefore, this review aims to describe the potential therapeutic strategies that can inhibit bacterial biofilm development; these include the usage of antiadhesion agents, AMPs, bacteriophages, QSIs, aptamers, NPs and PNAs, which can prevent or eradicate the formation of biofilms. These antibiofilm agents represent a promising therapeutic target in the treatment of biofilm infections and development of a strong capability to interfere with different phases of the biofilm development, including adherence, polysaccharide intercellular adhesion (PIA), quorum sensing molecules and cell-to-cell connection, bacterial aggregation, planktonic bacteria killing and host-immune response modulation. In addition, these components, in combination with antibiotics, can lead to the development of some kind of powerful combined therapy against bacterial biofilm-related infections.
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Affiliation(s)
- Fatemeh Hemmati
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Saba Ebrahimzadeh
- Department of Food Science and Technology, Faculty of Agriculture and Natural Resources, Urmia University, Urmia, Iran
| | - Leila Yousefi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roghayeh Nouri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pourya Gholizadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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11
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Antibacterial and antibiofilm properties of graphene and its derivatives. Colloids Surf B Biointerfaces 2021; 200:111588. [PMID: 33529928 DOI: 10.1016/j.colsurfb.2021.111588] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 01/17/2021] [Accepted: 01/20/2021] [Indexed: 12/22/2022]
Abstract
Infections resulting from bacteria and biofilms have become a huge problem threatening human health. In recent years, the antibacterial and antibiofilm effects of graphene and its derivatives have been extensively studied. However, there continues to be some controversy over whether graphene and its derivatives can resist infection and biofilms. Moreover, the antibacterial mechanism and cytotoxicity of graphene and its derivatives are unclear. In the present review, antibacterial and antibiofilm abilities of graphene and its derivatives in solution, on the surface are reviewed, and their toxicity and possible mechanisms are also reviewed. Furthermore, we propose possible future development directions for graphene and its derivatives in antibacterial and antibiofilm applications.
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Inhibition of Salmonella enteritidis biofilms by Salmonella invasion protein-targeting aptamer. Biotechnol Lett 2020; 42:1963-1974. [PMID: 32451800 DOI: 10.1007/s10529-020-02920-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 05/19/2020] [Indexed: 12/23/2022]
Abstract
The current study aimed to assess the inhibitory effect of a DNA aptamer (Apt17) which targeted Salmonella invasion proteinA (SipA). The effect of Apt17, on biofilm formation by two Salmonella enteritidis strains, was tested either separately or in combination with ampicillin at different Sub MIC concentrations. Maximum inhibitory effect equivalent to 24.34% and 26.81% was recorded when Apt17 was co-incubated with S. enteritidis TM 6 and S. enteritidis TM 68 respectively for 13 h. The inhibitory effect of Apt17 was also confirmed with Triphenyl Tetrazolium Chloride. Under Scanning Electron Microscope, the presence of Apt17 resulted in altered three dimensional structure. While the treated cells of S. enteritidis TM 6 were arranged as monolayers, the sessile aggregates of S. enteritidis TM 68 appeared thinner and exhibited less surface coverage when compared to control. Moreover, the treated cells lost their exopolysaccharide matrix. The co-incubation of Apt17 with ampicillin MIC/10 for 24 h, inhibited the biofilms of S. enteritidis TM 6 and S. enteritidis TM 68 by 12.5 and 20.9% respectively. This study demonstrated quantitative and qualitative antibiofilm effect of Apt17 against the biofilms of two Salmonella enteritidis strains. According to our knowledge, this is the first study employing an aptamer that targets SipA protein to inhibit biofilm formation in Salmonella.
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Shatila F, Yalçın HT, Özyurt C, Evran S, Çakır B, Yaşa İ, Nalbantsoy A. Single-stranded DNA (ssDNA) Aptamer targeting SipA protein inhibits Salmonella Enteritidis invasion of intestinal epithelial cells. Int J Biol Macromol 2020; 148:518-524. [PMID: 31953175 DOI: 10.1016/j.ijbiomac.2020.01.132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
Salmonella Enteritidis is an important pathogen that can invade the intestinal cells of its host causing salmonellosis. SipA protein, an effector protein secreted by T3SS, maintains invasion of host cells more efficient. Thus, inhibitory aptamers against SipA protein were developed using magnetic bead-based Systematic Evolution of Ligands by Exponential Enrichment (SELEX) method. The enriched sequences were obtained after 9 SELEX rounds. Among which, an aptamer namely Apt17 displayed Kd values equivalent to 114.9 and 63.4 nM at 27 °C and 37 °C, respectively. The effect of Apt17 on adhesion and invasion of Caco-2 cells by the tested strains was determined. While the adhesion and invasion of Salmonella Enteritidis TM 6 were inhibited by 70% and 37.7%, those of Salmonella Enteritidis TM 68 were inhibited by 45.71% and 39.5% respectively. These results represent a corner stone for future studies that could aim to develop putative inhibitors against Salmonellosis.
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Affiliation(s)
- Fatima Shatila
- Department of Biology, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey.
| | - H Tansel Yalçın
- Department of Biology, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey.
| | - Canan Özyurt
- Department of Chemistry and Chemical Processing Technologies, Lapseki Vocational School, Canakkale Onsekiz Mart University, Canakkale, Lapseki, Turkey
| | - Serap Evran
- Department of Biochemistry, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey
| | - Büşra Çakır
- Department of Bioengineering, Faculty of Engineering, Ege University, Bornova, Izmir 35100, Turkey
| | - İhsan Yaşa
- Department of Biology, Faculty of Science, Ege University, Bornova, Izmir 35100, Turkey
| | - Ayşe Nalbantsoy
- Department of Bioengineering, Faculty of Engineering, Ege University, Bornova, Izmir 35100, Turkey
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Afrasiabi S, Pourhajibagher M, Raoofian R, Tabarzad M, Bahador A. Therapeutic applications of nucleic acid aptamers in microbial infections. J Biomed Sci 2020; 27:6. [PMID: 31900238 PMCID: PMC6941257 DOI: 10.1186/s12929-019-0611-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 12/19/2019] [Indexed: 02/07/2023] Open
Abstract
Today, the treatment of bacterial infections is a major challenge, due to growing rate of multidrug-resistant bacteria, complication of treatment and increased healthcare costs. Moreover, new treatments for bacterial infections are limited. Oligonucleotide aptamers are single stranded DNAs or RNAs with target-selective high-affinity feature, which considered as nucleic acid-based affinity ligands, replacing monoclonal antibodies. The aptamer-based systems have been found to be talented tools in the treatment of microbial infections, regarding their promising anti-biofilm and antimicrobial activities; they can reduce or inhibit the effects of bacterial toxins, and inhibit pathogen invasion to immune cell, as well as they can be used in drug delivery systems. The focus of this review is on the therapeutic applications of aptamers in infections. In this regard, an introduction of infections and related challenges were presented, first. Then, aptamer definition and selection, with a brief history of aptamers development against various pathogens and toxins were reviewed. Diverse strategies of aptamer application in drug delivery, as well as, the effect of aptamers on the immune system, as the main natural agents of human defense against pathogens, were also discussed. Finally, the future trends in clinical applications of this technology were discussed.
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Affiliation(s)
- Shima Afrasiabi
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Raoofian
- Legal Medicine Research Center, Legal Medicine Organization, Tehran, Iran
| | - Maryam Tabarzad
- Protein Technology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Abbas Bahador
- Oral Microbiology Laboratory, Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Xia MY, Xie Y, Yu CH, Chen GY, Li YH, Zhang T, Peng Q. Graphene-based nanomaterials: the promising active agents for antibiotics-independent antibacterial applications. J Control Release 2019; 307:16-31. [PMID: 31185232 DOI: 10.1016/j.jconrel.2019.06.011] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/05/2019] [Accepted: 06/07/2019] [Indexed: 02/05/2023]
Abstract
Graphene-based nanomaterials, such as graphene oxide (GO) and reduced graphene oxide (rGO), have shown great potentials in drug delivery and photodynamic/photothermal therapy due to their featured structure and physicochemical properties. In recent years, their antibacterial potentials have also been exploited. The commonly recognized antibacterial mechanisms include sharp edge-mediated cutting effect, oxidative stress and cell entrapment. This antibacterial activity is very important for human health. As we know, infection with the pathogenic bacteria, especially the drug-resistant ones, is a great threat to human lives. Thus, the development of the antibiotics-independent and drug-free antibacterial agents is of great importance and significance. Graphene-based nanomaterials are a kind of such antibacterial agents. An insight into their properties and antibacterial mechanisms is necessary before they are developed into real products. Herein, we provide a comprehensive understanding of the antibacterial application of graphene-based nanomaterials via summarizing their antibacterial activities against some typical microbial species and discussing their unique mechanisms. In addition, the side-effects and problems in using these nanomaterials are also discussed.
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Affiliation(s)
- Meng-Ying Xia
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yu Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chen-Hao Yu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Ge-Yun Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yuan-Hong Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Ting Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Qiang Peng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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Guazzo R, Gardin C, Bellin G, Sbricoli L, Ferroni L, Ludovichetti FS, Piattelli A, Antoniac I, Bressan E, Zavan B. Graphene-Based Nanomaterials for Tissue Engineering in the Dental Field. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E349. [PMID: 29783786 PMCID: PMC5977363 DOI: 10.3390/nano8050349] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 05/16/2018] [Accepted: 05/17/2018] [Indexed: 12/12/2022]
Abstract
The world of dentistry is approaching graphene-based nanomaterials as substitutes for tissue engineering. Apart from its exceptional mechanical strength, electrical conductivity and thermal stability, graphene and its derivatives can be functionalized with several bioactive molecules. They can also be incorporated into different scaffolds used in regenerative dentistry, generating nanocomposites with improved characteristics. This review presents the state of the art of graphene-based nanomaterial applications in the dental field. We first discuss the interactions between cells and graphene, summarizing the available in vitro and in vivo studies concerning graphene biocompatibility and cytotoxicity. We then highlight the role of graphene-based nanomaterials in stem cell control, in terms of adhesion, proliferation and differentiation. Particular attention will be given to stem cells of dental origin, such as those isolated from dental pulp, periodontal ligament or dental follicle. The review then discusses the interactions between graphene-based nanomaterials with cells of the immune system; we also focus on the antibacterial activity of graphene nanomaterials. In the last section, we offer our perspectives on the various opportunities facing the use of graphene and its derivatives in associations with titanium dental implants, membranes for bone regeneration, resins, cements and adhesives as well as for tooth-whitening procedures.
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Affiliation(s)
- Riccardo Guazzo
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Chiara Gardin
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | - Gloria Bellin
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | - Luca Sbricoli
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Letizia Ferroni
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Pia Hospital, GVM Care & Research, 10132 Torino, Italy.
| | | | - Adriano Piattelli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, 66100 Chieti, Italy.
| | - Iulian Antoniac
- Department Materials Science and Engineering, University Politehnica of Bucharest, 060032 Bucharest, Romania.
| | - Eriberto Bressan
- Department of Neurosciences, Institute of Clinical Dentistry, University of Padova, 35128 Padova, Italy.
| | - Barbara Zavan
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.
- Maria Cecilia Hospital, GVM Care & Research, 48033 Ravenna, Italy.
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