1
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Singh A, Tanwar M, Singh TP, Sharma S, Sharma P. An escape from ESKAPE pathogens: A comprehensive review on current and emerging therapeutics against antibiotic resistance. Int J Biol Macromol 2024; 279:135253. [PMID: 39244118 DOI: 10.1016/j.ijbiomac.2024.135253] [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: 05/22/2024] [Revised: 08/29/2024] [Accepted: 08/30/2024] [Indexed: 09/09/2024]
Abstract
The rise of antimicrobial resistance has positioned ESKAPE pathogens as a serious global health threat, primarily due to the limitations and frequent failures of current treatment options. This growing risk has spurred the scientific community to seek innovative antibiotic therapies and improved oversight strategies. This review aims to provide a comprehensive overview of the origins and resistance mechanisms of ESKAPE pathogens, while also exploring next-generation treatment strategies for these infections. In addition, it will address both traditional and novel approaches to combating antibiotic resistance, offering insights into potential new therapeutic avenues. Emerging research underscores the urgency of developing new antimicrobial agents and strategies to overcome resistance, highlighting the need for novel drug classes and combination therapies. Advances in genomic technologies and a deeper understanding of microbial pathogenesis are crucial in identifying effective treatments. Integrating precision medicine and personalized approaches could enhance therapeutic efficacy. The review also emphasizes the importance of global collaboration in surveillance and stewardship, as well as policy reforms, enhanced diagnostic tools, and public awareness initiatives, to address resistance on a worldwide scale.
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Affiliation(s)
- Anamika Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Mansi Tanwar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - T P Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Sujata Sharma
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
| | - Pradeep Sharma
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
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2
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Nazli A, Irshad Khan MZ, Rácz Á, Béni S. Acid-sensitive prodrugs; a promising approach for site-specific and targeted drug release. Eur J Med Chem 2024; 276:116699. [PMID: 39089000 DOI: 10.1016/j.ejmech.2024.116699] [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: 02/26/2024] [Revised: 07/02/2024] [Accepted: 07/18/2024] [Indexed: 08/03/2024]
Abstract
Drugs administered through conventional formulations are devoid of targeting and often spread to various undesired sites, leading to sub-lethal concentrations at the site of action and the emergence of undesired effects. Hence, therapeutic agents should be delivered in a controlled manner at target sites. Currently, stimuli-based drug delivery systems have demonstrated a remarkable potential for the site-specific delivery of therapeutic moieties. pH is one of the widely exploited stimuli for drug delivery as several pathogenic conditions such as tumor cells, infectious and inflammatory sites are characterized by a low pH environment. This review article aims to demonstrate various strategies employed in the design of acid-sensitive prodrugs, providing an overview of commercially available acid-sensitive prodrugs. Furthermore, we have compiled the progress made for the development of new acid-sensitive prodrugs currently undergoing clinical trials. These prodrugs include albumin-binding prodrugs (Aldoxorubicin and DK049), polymeric micelle (NC-6300), polymer conjugates (ProLindac™), and an immunoconjugate (IMMU-110). The article encompasses a broad spectrum of studies focused on the development of acid-sensitive prodrugs for anticancer, antibacterial, and anti-inflammatory agents. Finally, the challenges associated with the acid-sensitive prodrug strategy are discussed, along with future directions.
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Affiliation(s)
- Adila Nazli
- Department of Pharmacognosy, Semmelweis University, 1085, Budapest, Hungary.
| | | | - Ákos Rácz
- Department of Pharmacognosy, Semmelweis University, 1085, Budapest, Hungary.
| | - Szabolcs Béni
- Integrative Health and Environmental Analysis Research Laboratory, Department of Analytical Chemistry, Institute of Chemistry, Eötvös Loránd University, 1117, Budapest, Hungary.
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3
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Pérez-Isidoro R, Valdez-Lara AG, Díaz-Salazar AJ, Hoeppener S, Guerrero-Sánchez C, Quintana-Owen P, Ruiz-Suárez JC, Schubert US, Ayora-Talavera G, De Jesús-Téllez MA, Saldívar-Guerra E. Biophysical investigation of liposome systems decorated with bioconjugated copolymers in the presence of amantadine. J Mater Chem B 2024; 12:5823-5837. [PMID: 38757473 DOI: 10.1039/d4tb00171k] [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: 05/18/2024]
Abstract
Liposome-based technologies derived from lipids and polymers (e.g., PEGylated liposomes) have been recognized because of their applications in nanomedicine. However, since such systems represent myriad challenges and may promote immune responses, investigation of new biomaterials is mandatory. Here, we report on a biophysical investigation of liposomes decorated with bioconjugated copolymers in the presence (or absence) of amantadine (an antiviral medication). First, copolymers of poly(N,N-dimethylacrylamide-co-fluoresceinacrylate-co-acrylic acid-N-succinimide ester)-block-poly(N-isopropylacrylamide) (PDMA-b-PNIPAM) containing a fluorescence label were biofunctionalized with short peptides that resemble the sequence of the loops 220 and 130 of the binding receptor of the hemagglutinin (HA) protein of the influenza A virus. Then, the bioconjugated copolymers were self-assembled along with liposomes composed of 1,2 dimyristoyl-sn-glycero-3-phosphocholine, sphingomyelin, and cholesterol (MSC). These biohybrid systems, with and without amantadine, were systematically characterized using differential scanning calorimetry (DSC), dynamic light scattering (DLS), and cryogenic transmission electron microscopy (cryoTEM). Finally, the systems were tested in an in vitro study to evaluate cytotoxicity and direct immunofluorescence in Madin Darbin Canine Kidney (MDCK) cells. The biohybrid systems displayed long-term stability, thermo-responsiveness, hydrophilic-hydrophobic features, and fluorescence properties and were presumable endowed with cell targeting properties intrinsically integrated into the amino acid sequences of the utilized peptides, which indeed turn them into promising nanodevices for biomedical applications.
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Affiliation(s)
- Rosendo Pérez-Isidoro
- Centro de Investigación en Química Aplicada (CIQA), Enrique Reyna, 140, 25294 Saltillo, Coahuila, Mexico.
| | | | - Alma Jessica Díaz-Salazar
- Laboratorio de Bio-fisicoquímica, Departamento de Fisicoquímica, Facultad de Química, Universidad Nacional Autónoma de México, 04510 México City, Mexico
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 97743 Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Carlos Guerrero-Sánchez
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 97743 Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Patricia Quintana-Owen
- Departamento de Física Aplicada, CINVESTAV-IPN, Unidad Mérida, A.P. 73, Cordemex, 97310 Mérida, Yucatán, Mexico
| | | | - Ulrich S Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 97743 Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Guadalupe Ayora-Talavera
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 97743 Jena, Germany.
| | | | - Enrique Saldívar-Guerra
- Centro de Investigación en Química Aplicada (CIQA), Enrique Reyna, 140, 25294 Saltillo, Coahuila, Mexico.
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4
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Beach M, Nayanathara U, Gao Y, Zhang C, Xiong Y, Wang Y, Such GK. Polymeric Nanoparticles for Drug Delivery. Chem Rev 2024; 124:5505-5616. [PMID: 38626459 PMCID: PMC11086401 DOI: 10.1021/acs.chemrev.3c00705] [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] [Indexed: 04/18/2024]
Abstract
The recent emergence of nanomedicine has revolutionized the therapeutic landscape and necessitated the creation of more sophisticated drug delivery systems. Polymeric nanoparticles sit at the forefront of numerous promising drug delivery designs, due to their unmatched control over physiochemical properties such as size, shape, architecture, charge, and surface functionality. Furthermore, polymeric nanoparticles have the ability to navigate various biological barriers to precisely target specific sites within the body, encapsulate a diverse range of therapeutic cargo and efficiently release this cargo in response to internal and external stimuli. However, despite these remarkable advantages, the presence of polymeric nanoparticles in wider clinical application is minimal. This review will provide a comprehensive understanding of polymeric nanoparticles as drug delivery vehicles. The biological barriers affecting drug delivery will be outlined first, followed by a comprehensive description of the various nanoparticle designs and preparation methods, beginning with the polymers on which they are based. The review will meticulously explore the current performance of polymeric nanoparticles against a myriad of diseases including cancer, viral and bacterial infections, before finally evaluating the advantages and crucial challenges that will determine their wider clinical potential in the decades to come.
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Affiliation(s)
- Maximilian
A. Beach
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Umeka Nayanathara
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Yanting Gao
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Changhe Zhang
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Yijun Xiong
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Yufu Wang
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Georgina K. Such
- School
of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
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5
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Chen Y, Jiang Y, Xue T, Cheng J. Strategies for the eradication of intracellular bacterial pathogens. Biomater Sci 2024; 12:1115-1130. [PMID: 38284808 DOI: 10.1039/d3bm01498c] [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: 01/30/2024]
Abstract
Intracellular pathogens affect a significant portion of world population and cause millions of deaths each year. They can invade host cells and survive inside them and are extremely resistant to immune systems and antibiotics. Current treatments have limitations, and therefore, new effective therapies are needed to combat this ongoing health challenge. Active research efforts have been made to develop many new strategies to eradicate these intracellular pathogens. In this review, we focus on the intracellular bacterial pathogens and first introduce several representative intracellular bacteria and the diseases they cause. We then discuss the challenges in eradicating these bacteria and summarize the current therapeutics for intracellular bacteria. Finally, recent advances in intracellular bacteria eradication are highlighted.
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Affiliation(s)
- Yingying Chen
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
| | - Yunjiang Jiang
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
- BayRay Innovation Center, Shenzhen Bay Laboratory, Shenzhen, 518071, China
| | - Tianrui Xue
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
- Biomaterials and Drug Delivery Laboratory, School of Engineering, Westlake University, Hangzhou 310024, China
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6
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Paurević M, Šrajer Gajdošik M, Ribić R. Mannose Ligands for Mannose Receptor Targeting. Int J Mol Sci 2024; 25:1370. [PMID: 38338648 PMCID: PMC10855088 DOI: 10.3390/ijms25031370] [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: 12/14/2023] [Revised: 01/15/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
The mannose receptor (MR, CD 206) is an endocytic receptor primarily expressed by macrophages and dendritic cells, which plays a critical role in both endocytosis and antigen processing and presentation. MR carbohydrate recognition domains (CRDs) exhibit a high binding affinity for branched and linear oligosaccharides. Furthermore, multivalent mannose presentation on the various templates like peptides, proteins, polymers, micelles, and dendrimers was proven to be a valuable approach for the selective and efficient delivery of various therapeutically active agents to MR. This review provides a detailed account of the most relevant and recent aspects of the synthesis and application of mannosylated bioactive formulations for MR-mediated delivery in treatments of cancer and other infectious diseases. It further highlights recent findings related to the necessary structural features of the mannose-containing ligands for successful binding to the MR.
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Affiliation(s)
- Marija Paurević
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, HR-31000 Osijek, Croatia; (M.P.); (M.Š.G.)
| | - Martina Šrajer Gajdošik
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, HR-31000 Osijek, Croatia; (M.P.); (M.Š.G.)
| | - Rosana Ribić
- Department of Nursing, University Center Varaždin, University North, Jurja Križanića 31b, HR-42000 Varaždin, Croatia
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7
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Jin M, He B, Cai X, Lei Z, Sun T. Research progress of nanoparticle targeting delivery systems in bacterial infections. Colloids Surf B Biointerfaces 2023; 229:113444. [PMID: 37453264 DOI: 10.1016/j.colsurfb.2023.113444] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/28/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Bacterial infection is a huge threat to the health of human beings and animals. The abuse of antibiotics have led to the occurrence of bacterial multidrug resistance, which have become a difficult problem in the treatment of clinical infections. Given the outstanding advantages of nanodrug delivery systems in cancer treatment, many scholars have begun to pay attention to their application in bacterial infections. However, due to the similarity of the microenvironment between bacterial infection lesions and cancer sites, the targeting and accuracy of traditional microenvironment-responsive nanocarriers are questionable. Therefore, finding new specific targets has become a new development direction of nanocarriers in bacterial prevention and treatment. This article reviews the infectious microenvironment induced by bacteria and a series of virulence factors of common pathogenic bacteria and their physiological functions, which may be used as potential targets to improve the targeting accuracy of nanocarriers in lesions.
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Affiliation(s)
- Ming Jin
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Bin He
- Institute of Animal Husbandry and Veterinary, Wuhan Academy of Agricultural Sciences, China
| | - Xiaoli Cai
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Zhixin Lei
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
| | - Taolei Sun
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
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8
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Chasteen JL, Padilla-Coley S, Li DH, Smith BD. Palladium responsive liposomes for triggered release of aqueous contents. Bioorg Med Chem Lett 2023; 84:129215. [PMID: 36870622 PMCID: PMC10023436 DOI: 10.1016/j.bmcl.2023.129215] [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: 01/25/2023] [Revised: 02/10/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023]
Abstract
Palladium (Pd) is a promising metal catalyst for novel bioorthogonal chemistry and prodrug activation. This report describes the first example of palladium responsive liposomes. The key molecule is a new caged phospholipid called Alloc-PE that forms stable liposomes (large unilamellar vesicles, ∼220 nm diameter). Liposome treatment with PdCl2 removes the chemical cage, liberates membrane destabilizing dioleoylphosphoethanolamine (DOPE), and triggers liposome leakage of encapsulated aqueous contents. The results indicate a path towards liposomal drug delivery technologies that exploit transition metal triggered leakage.
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Affiliation(s)
- Jordan L Chasteen
- Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Sasha Padilla-Coley
- Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Dong-Hao Li
- Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Bradley D Smith
- Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, United States.
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9
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Qu S, Zhu K. Endocytosis-mediated redistribution of antibiotics targets intracellular bacteria. NANOSCALE 2023; 15:4781-4794. [PMID: 36779877 DOI: 10.1039/d2nr05421c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The increasing emergence and dissemination of antibiotic resistance pose a severe threat to overwhelming healthcare practices worldwide. The lack of new antibacterial drugs urgently calls for alternative therapeutic strategies to combat multidrug-resistant (MDR) bacterial pathogens, especially those that survive and replicate in host cells, causing relapse and recurrence of infections. Intracellular drug delivery is a direct efficient strategy to combat invasive pathogens by increasing the accumulation of antibiotics. However, the increased accumulation of antibiotics in the infected host cells does not mean high efficacy. The difficulty of treatment lies in the efficient intracellular delivery of antibiotics to the pathogen-containing compartments. Here, we first briefly review the survival mechanisms of intracellular bacteria to facilitate the exploration of potential antibacterial targets for precise delivery. Furthermore, we provide an overview of endocytosis-mediated drug delivery systems, including the biomedical and physicochemical properties modulating the endocytosis and intracellular redistribution of antibiotics. Lastly, we summarize the targets and payloads of recently described intracellular delivery systems and their modes of action against diverse pathogenic bacteria-associated infections. This overview of endocytosis-mediated redistribution of antibiotics sheds light on the development of novel delivery platforms and alternative strategies to combat intracellular bacterial pathogens.
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Affiliation(s)
- Shaoqi Qu
- Animal-Derived Food Safety Innovation Team, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Kui Zhu
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China.
- Engineering Research Center of Animal Innovative drugs and Safety Evaluation, Ministry of Education, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
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10
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Wang C, Yang Y, Cao Y, Liu K, Shi H, Guo X, Liu W, Hao R, Song H, Zhao R. Nanocarriers for the delivery of antibiotics into cells against intracellular bacterial infection. Biomater Sci 2023; 11:432-444. [PMID: 36503914 DOI: 10.1039/d2bm01489k] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The barrier function of host cells enables intracellular bacteria to evade the lethality of the host immune system and antibiotics, thereby causing chronic and recurrent infections that seriously threaten human health. Currently, the main clinical strategy for the treatment of intracellular bacterial infections involves the use of long-term and high-dose antibiotics. However, insufficient intracellular delivery of antibiotics along with various resistance mechanisms not only weakens the efficacy of current therapies but also causes serious adverse drug reactions, further increasing the disease and economic burden. Improving the delivery efficiency, intracellular accumulation, and action time of antibiotics remains the most economical and effective way to treat intracellular bacterial infections. The rapid development of nanotechnology provides a strategy to efficiently deliver antibiotics against intracellular bacterial infections into cells. In this review, we summarize the types of common intracellular pathogens, the difficulties faced by antibiotics in the treatment of intracellular bacterial infections, and the research progress of several types of representative nanocarriers for the delivery of antibiotics against intracellular bacterial infections that have emerged in recent years. This review is expected to provide a reference for further elucidating the intracellular transport mechanism of nanocarrier-drug complexes, designing safer and more effective nanocarriers and establishing new strategies against intracellular bacterial infection.
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Affiliation(s)
- Chao Wang
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Yi Yang
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Yuanyuan Cao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China.
| | - Kaixin Liu
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Hua Shi
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Xudong Guo
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Wanying Liu
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Rongzhang Hao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China.
| | - Hongbin Song
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Rongtao Zhao
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
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11
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Feng W, Chittò M, Moriarty TF, Li G, Wang X. Targeted Drug Delivery Systems for Eliminating Intracellular Bacteria. Macromol Biosci 2023; 23:e2200311. [PMID: 36189899 DOI: 10.1002/mabi.202200311] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/08/2022] [Indexed: 01/19/2023]
Abstract
The intracellular survival of pathogenic bacteria requires a range of survival strategies and virulence factors. These infections are a significant clinical challenge, wherein treatment frequently fails because of poor antibiotic penetration, stability, and retention in host cells. Drug delivery systems (DDSs) are promising tools to overcome these shortcomings and enhance the efficacy of antibiotic therapy. In this review, the classification and the mechanisms of intracellular bacterial persistence are elaborated. Furthermore, the systematic design strategies applied to DDSs to eliminate intracellular bacteria are also described, and the strategies used for internalization, intracellular activation, bacterial targeting, and immune enhancement are highlighted. Finally, this overview provides guidance for constructing functionalized DDSs to effectively eliminate intracellular bacteria.
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Affiliation(s)
- Wenli Feng
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China.,AO Research Institute Davos, Davos, 7270, Switzerland
| | - Marco Chittò
- AO Research Institute Davos, Davos, 7270, Switzerland
| | | | - Guofeng Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xing Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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12
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Chen Y, He X, Chen Q, He Y, Chen F, Yang C, Wang L. Nanomaterials against intracellular bacterial infection: from drug delivery to intrinsic biofunction. Front Bioeng Biotechnol 2023; 11:1197974. [PMID: 37180049 PMCID: PMC10174311 DOI: 10.3389/fbioe.2023.1197974] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023] Open
Abstract
Fighting intracellular bacteria with strong antibiotics evading remains a long-standing challenge. Responding to and regulating the infectious microenvironment is crucial for treating intracellular infections. Sophisticated nanomaterials with unique physicochemical properties exhibit great potential for precise drug delivery towards infection sites, along with modulating infectious microenvironment via their instinct bioactivity. In this review, we first identify the key characters and therapeutic targets of intracellular infection microenvironment. Next, we illustrate how the nanomaterials physicochemical properties, such as size, charge, shape and functionalization affect the interaction between nanomaterials, cells and bacteria. We also introduce the recent progress of nanomaterial-based targeted delivery and controlled release of antibiotics in intracellular infection microenvironment. Notably, we highlight the nanomaterials with unique intrinsic properties, such as metal toxicity and enzyme-like activity for the treatment of intracellular bacteria. Finally, we discuss the opportunities and challenges of bioactive nanomaterials in addressing intracellular infections.
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Affiliation(s)
- Yinglu Chen
- Department of Orthopedics, Academy of Orthopedics-Guangdong Province, Orthopedic Hospital of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Xiaoheng He
- Department of Applied Chemistry, Xi’an University of Technology, Xi’an, China
| | - Qiuhong Chen
- Department of Orthopedics, Academy of Orthopedics-Guangdong Province, Orthopedic Hospital of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Yi He
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Fangman Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, Macau SAR, China
| | - Chao Yang
- Department of Orthopedics, Academy of Orthopedics-Guangdong Province, Orthopedic Hospital of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Liang Wang, ; Chao Yang,
| | - Liang Wang
- Department of Orthopedics, Academy of Orthopedics-Guangdong Province, Orthopedic Hospital of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Liang Wang, ; Chao Yang,
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13
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Tang J, Ouyang Q, Li Y, Zhang P, Jin W, Qu S, Yang F, He Z, Qin M. Nanomaterials for Delivering Antibiotics in the Therapy of Pneumonia. Int J Mol Sci 2022; 23:ijms232415738. [PMID: 36555379 PMCID: PMC9779065 DOI: 10.3390/ijms232415738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 12/14/2022] Open
Abstract
Bacterial pneumonia is one of the leading causes of death worldwide and exerts a significant burden on health-care resources. Antibiotics have long been used as first-line drugs for the treatment of bacterial pneumonia. However, antibiotic therapy and traditional antibiotic delivery are associated with important challenges, including drug resistance, low bioavailability, and adverse side effects; the existence of physiological barriers further hampers treatment. Fortunately, these limitations may be overcome by the application of nanotechnology, which can facilitate drug delivery while improving drug stability and bioavailability. This review summarizes the challenges facing the treatment of bacterial pneumonia and also highlights the types of nanoparticles that can be used for antibiotic delivery. This review places a special focus on the state-of-the-art in nanomaterial-based approaches to the delivery of antibiotics for the treatment of pneumonia.
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Affiliation(s)
- Jie Tang
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China
| | - Qiuhong Ouyang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yanyan Li
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China
| | - Peisen Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Weihua Jin
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China
| | - Shuang Qu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fengmei Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China
| | - Zhanlong He
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China
- Correspondence: (Z.H.); (M.Q.)
| | - Meng Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
- Correspondence: (Z.H.); (M.Q.)
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14
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Smułek W, Kaczorek E. Factors Influencing the Bioavailability of Organic Molecules to Bacterial Cells-A Mini-Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196579. [PMID: 36235114 PMCID: PMC9570905 DOI: 10.3390/molecules27196579] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/29/2022] [Accepted: 10/01/2022] [Indexed: 11/26/2022]
Abstract
The bioavailability of organic compounds to bacterial cells is crucial for their vital activities. This includes both compounds that are desirable to the cells (e.g., sources of energy, carbon, nitrogen, and other nutrients) and undesirable compounds that are toxic to the cells. For this reason, bioavailability is an issue of great importance in many areas of human activity that are related to bacteria, e.g., biotechnological production, bioremediation of organic pollutants, and the use of antibiotics. This article proposes a classification of factors determining bioavailability, dividing them into factors at the physicochemical level (i.e., those related to the solubility of a chemical compound and its transport in aqueous solution) and factors at the microbiological level (i.e., those related to adsorption on the cell surface and those related to transport into the cell). Awareness of the importance of and the mechanisms governing each of the factors described allows their use to change bioavailability in the desired direction.
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15
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Elfadil D, Elkhatib WF, El-Sayyad GS. Promising advances in nanobiotic-based formulations for drug specific targeting against multidrug-resistant microbes and biofilm-associated infections. Microb Pathog 2022; 170:105721. [PMID: 35970290 DOI: 10.1016/j.micpath.2022.105721] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/06/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Antimicrobial agents and alternative strategies to combat bacterial infections have become urgent due to the rapid development of multidrug-resistant bacteria caused by the misuse and overuse of antibiotics, as well as the ineffectiveness of antibiotics against difficult-to-treat infectious diseases. Nanobiotics is one of the strategies being explored to counter the increase in antibiotic-resistant bacteria. Nanobiotics are antibiotic molecules encapsulated in nanoparticles or artificially engineered pure antibiotics that are ≤ 100 nm in size in at least one dimension. Formulation scientists recognize nanobiotic delivery systems as an effective strategy to overcome the limitations associated with conventional antibiotic therapy. This review highlights the general mechanisms by which nanobiotics can be used to target resistant microbes and biofilm-associated infections. We focus on the design elements, properties, characterization, and toxicity assessment of organic nanoparticles, inorganic nanoparticle and molecularly imprinted polymer-based nano-formulations that can be designed to improve the efficacy of nanobiotic formulation.
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Affiliation(s)
- Dounia Elfadil
- Biology and Chemistry Department, Hassan II University of Casablanca, Morocco
| | - Walid F Elkhatib
- Microbiology and Immunology Department, Ain Shams University, African Union Organization St., Abbassia, Cairo, 11566, Egypt; Department of Microbiology and Immunology, Galala University, New Galala City, Suez, Egypt.
| | - Gharieb S El-Sayyad
- Department of Microbiology and Immunology, Galala University, New Galala City, Suez, Egypt; Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
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16
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Gairola A, Benjamin A, Weatherston JD, Cirillo JD, Wu HJ. Recent Developments in Drug Delivery for Treatment of Tuberculosis by Targeting Macrophages. ADVANCED THERAPEUTICS 2022; 5:2100193. [PMID: 36203881 PMCID: PMC9531895 DOI: 10.1002/adtp.202100193] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Indexed: 11/10/2022]
Abstract
Tuberculosis (TB) is among the greatest public health and safety concerns in the 21st century, Mycobacterium tuberculosis, which causes TB, infects alveolar macrophages and uses these cells as one of its primary sites of replication. The current TB treatment regimen, which consist of chemotherapy involving a combination of 3-4 antimicrobials for a duration of 6-12 months, is marked with significant side effects, toxicity, and poor compliance. Targeted drug delivery offers a strategy that could overcome many of the problems of current TB treatment by specifically targeting infected macrophages. Recent advances in nanotechnology and material science have opened an avenue to explore drug carriers that actively and passively target macrophages. This approach can increase the drug penetration into macrophages by using ligands on the nanocarrier that interact with specific receptors for macrophages. This review encompasses the recent development of drug carriers specifically targeting macrophages actively and passively. Future directions and challenges associated with development of effective TB treatment is also discussed.
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Affiliation(s)
- Anirudh Gairola
- Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA
| | - Aaron Benjamin
- Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, Bryan, Texas, USA
| | - Joshua D Weatherston
- Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA
| | - Jeffrey D Cirillo
- Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, Bryan, Texas, USA
| | - Hung-Jen Wu
- Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA
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17
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Huang Y, Zou L, Wang J, Jin Q, Ji J. Stimuli-responsive nanoplatforms for antibacterial applications. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1775. [PMID: 35142071 DOI: 10.1002/wnan.1775] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 12/13/2022]
Abstract
The continuously increasing bacterial resistance has become a big threat to public health worldwide, which makes it urgent to develop innovative antibacterial strategies. Nanotechnology-based drug delivery systems are considered as promising strategies in combating bacterial infections which are expected to improve the therapeutic efficacy and minimize the side effects. Unfortunately, the conventional nanodrug delivery systems always suffer from practical dilemmas, including incomplete and slow drug release, insufficient accumulation in infected sites, and weak biofilm penetration ability. Stimuli-responsive nanoplatforms are hence developed to overcome the disadvantages of conventional nanoparticles. In this review, we provide an extensive review of the recent progress of endogenous and exogenous stimuli-responsive nanoplatforms in the antibacterial area, including planktonic bacteria, intracellular bacteria, and bacterial biofilms. Taking advantage of the specific infected microenvironment (pH, enzyme, redox, and toxin), the mechanisms and strategies of the design of endogenous stimuli-responsive nanoplatforms are discussed, with an emphasis on how to improve the therapeutic efficacy and minimize side effects. How to realize controlled drug delivery using exogenous stimuli-responsive nanoplatforms especially light-responsive nanoparticles for improved antibacterial effects is another topic of this review. We especially highlight photothermal-triggered drug delivery systems by the combination of photothermal agents and thermo-responsive materials. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Yue Huang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Lingyun Zou
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Jing Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
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18
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Pranantyo D, Zhang K, Si Z, Hou Z, Chan-Park MB. Smart Multifunctional Polymer Systems as Alternatives or Supplements of Antibiotics To Overcome Bacterial Resistance. Biomacromolecules 2022; 23:1873-1891. [PMID: 35471022 DOI: 10.1021/acs.biomac.1c01614] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In recent years, infectious diseases have again become a critical threat to global public health largely due to the challenges posed by antimicrobial resistance. Conventional antibiotics have played a crucial role in combating bacterial infections; however, their efficacy is significantly impaired by widespread drug resistance. Natural antimicrobial peptides (AMPs) and their polymeric mimics demonstrate great potential for killing bacteria with low propensity of resistance as they target the microbial membrane rather than a specific molecular target, but they are also toxic to the host eukaryotic cells. To minimize antibiotics systemic spread and the required dose that promote resistance and to advocate practical realization of the promising activity of AMPs and polymers, smart systems to target bacteria are highly sought after. This review presents bacterial recognition by various specific targeting molecules and the delivery systems of active components in supramolecules. Bacteria-induced activations of antimicrobial-based nanoformulations are also included. Recent advances in the bacteria targeting and delivery of synthetic antimicrobial agents may assist in developing new classes of highly selective antimicrobial systems which can improve bactericidal efficacy and greatly minimize the spread of bacterial resistance.
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19
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Skwarczynski M, Bashiri S, Yuan Y, Ziora ZM, Nabil O, Masuda K, Khongkow M, Rimsueb N, Cabral H, Ruktanonchai U, Blaskovich MAT, Toth I. Antimicrobial Activity Enhancers: Towards Smart Delivery of Antimicrobial Agents. Antibiotics (Basel) 2022; 11:412. [PMID: 35326875 PMCID: PMC8944422 DOI: 10.3390/antibiotics11030412] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/01/2023] Open
Abstract
The development of effective treatments against infectious diseases is an extensive and ongoing process due to the rapid adaptation of bacteria to antibiotic-based therapies. However, appropriately designed activity enhancers, including antibiotic delivery systems, can increase the effectiveness of current antibiotics, overcoming antimicrobial resistance and decreasing the chance of contributing to further bacterial resistance. The activity/delivery enhancers improve drug absorption, allow targeted antibiotic delivery, improve their tissue and biofilm penetration and reduce side effects. This review provides insights into various antibiotic activity enhancers, including polymer, lipid, and silver-based systems, designed to reduce the adverse effects of antibiotics and improve formulation stability and efficacy against multidrug-resistant bacteria.
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Affiliation(s)
- Mariusz Skwarczynski
- School of Chemistry and Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Sahra Bashiri
- School of Chemistry and Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Ye Yuan
- Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Zyta M Ziora
- Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Osama Nabil
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Keita Masuda
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Mattaka Khongkow
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong 1, Klong Luang 12120, Pathumthani, Thailand
| | - Natchanon Rimsueb
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong 1, Klong Luang 12120, Pathumthani, Thailand
| | - Horacio Cabral
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Uracha Ruktanonchai
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong 1, Klong Luang 12120, Pathumthani, Thailand
| | - Mark A T Blaskovich
- Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Istvan Toth
- School of Chemistry and Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
- School of Pharmacy, The University of Queensland, Brisbane, QLD 4072, Australia
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20
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Chen Y, Huang Y, Jin Q. Polymeric nanoplatforms for the delivery of antibacterial agents. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yongcheng Chen
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang 310027 PR China
| | - Yue Huang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang 310027 PR China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang 310027 PR China
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21
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Li X, Chen XX, Xu Y, Xu XB, Wu WF, Zhao Q, Hu JN. Construction of Glycogen-Based Nanoparticles Loaded with Resveratrol for the Alleviation of High-Fat Diet-Induced Nonalcoholic Fatty Liver Disease. Biomacromolecules 2021; 23:409-423. [PMID: 34964604 DOI: 10.1021/acs.biomac.1c01360] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The purpose of this study was to construct a glycogen (Gly)-based nanoparticle (NP) with liver-targeted and redox response to effectively deliver resveratrol (Res) for improving nonalcoholic fatty liver disease (NAFLD). Herein, Gly was modified using α-lipoic acid (α-LA) and lactobionic acid (Lac) to obtain an amphiphilic polymer (Gly-LA-Lac), which was self-assembled in water and then encapsulated in Res to form Res NPs with excellent stability. As expected, the Res NPs exhibited liver-targeted and redox response release behavior. In vitro cell studies demonstrated that the nanocarrier treatment enhanced the cellular uptake of Res and reduced oxidative stress and inflammatory factor levels. Meanwhile, the in vivo tests proved that the nanocarriers effectively reduced hepatic lipid accumulation and oxidative stress levels via regulating the TLR4/NF-κB signal pathway to improve liver damage in NAFLD mice. In conclusion, this study provides a promising strategy through the construction of Gly-based nanocarriers for the encapsulation of Res to effectively alleviate the process of NAFLD.
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Affiliation(s)
- Xiang Li
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Xian-Xin Chen
- Jiangxi Health Vocational College, Nanchang 330052, China
| | - Yu Xu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China.,College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
| | - Xian-Bing Xu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Wen-Fei Wu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Qi Zhao
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Jiang-Ning Hu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
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22
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Drost M, Diamanti E, Fuhrmann K, Goes A, Shams A, Haupenthal J, Koch M, Hirsch AKH, Fuhrmann G. Bacteriomimetic Liposomes Improve Antibiotic Activity of a Novel Energy-Coupling Factor Transporter Inhibitor. Pharmaceutics 2021; 14:4. [PMID: 35056900 PMCID: PMC8779172 DOI: 10.3390/pharmaceutics14010004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/10/2021] [Accepted: 12/16/2021] [Indexed: 11/21/2022] Open
Abstract
Liposomes have been studied for decades as nanoparticulate drug delivery systems for cytostatics, and more recently, for antibiotics. Such nanoantibiotics show improved antibacterial efficacy compared to the free drug and can be effective despite bacterial recalcitrance. In this work, we present a loading method of bacteriomimetic liposomes for a novel, hydrophobic compound (HIPS5031) inhibiting energy-coupling factor transporters (ECF transporters), an underexplored antimicrobial target. The liposomes were composed of DOPG (18:1 (Δ9-cis) phosphatidylglycerol) and CL (cardiolipin), resembling the cell membrane of Gram-positive Staphylococcus aureus and Streptococcus pneumoniae, and enriched with cholesterol (Chol). The size and polydispersity of the DOPG/CL/± Chol liposomes remained stable over 8 weeks when stored at 4 °C. Loading of the ECF transporter inhibitor was achieved by thin film hydration and led to a high encapsulation efficiency of 33.19% ± 9.5% into the DOPG/CL/Chol liposomes compared to the phosphatidylcholine liposomes (DMPC/DPPC). Bacterial growth inhibition assays on the model organism Bacillus subtilis revealed liposomal HIPS5031 as superior to the free drug, showing a 3.5-fold reduction in CFU/mL at a concentration of 9.64 µM. Liposomal HIPS5031 was also shown to reduce B. subtilis biofilm. Our findings present an explorative basis for bacteriomimetic liposomes as a strategy against drug-resistant pathogens by surpassing the drug-formulation barriers of innovative, yet unfavorably hydrophobic, antibiotics.
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Affiliation(s)
- Menka Drost
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
- Department of Biology, Pharmaceutical Biology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstr. 5, 91058 Erlangen, Germany
| | - Eleonora Diamanti
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
- Helmholtz International Lab for Anti-Infectives, Campus E8.1, 66123 Saarbrücken, Germany
| | - Kathrin Fuhrmann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
| | - Adriely Goes
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
| | - Atanaz Shams
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
| | - Jörg Haupenthal
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
| | - Marcus Koch
- INM-Leibniz-Institut für Neue Materialien, Campus D2.2, 66123 Saarbrücken, Germany;
| | - Anna K. H. Hirsch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
- Helmholtz International Lab for Anti-Infectives, Campus E8.1, 66123 Saarbrücken, Germany
- Department of Pharmacy, Saarland University, Campus C1.7, 66123 Saarbrücken, Germany
| | - Gregor Fuhrmann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany; (M.D.); (E.D.); (K.F.); (A.G.); (A.S.); (J.H.); (A.K.H.H.)
- Department of Biology, Pharmaceutical Biology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstr. 5, 91058 Erlangen, Germany
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23
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Rajput A, Mandlik S, Pokharkar V. Nanocarrier-Based Approaches for the Efficient Delivery of Anti-Tubercular Drugs and Vaccines for Management of Tuberculosis. Front Pharmacol 2021; 12:749945. [PMID: 34992530 PMCID: PMC8724553 DOI: 10.3389/fphar.2021.749945] [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: 07/30/2021] [Accepted: 10/11/2021] [Indexed: 11/28/2022] Open
Abstract
Drug-resistant species of tuberculosis (TB), which spread faster than traditiona TB, is a severely infectious disease. The conventional drug therapy used in the management of tuberculosis has several challenges linked with adverse effects. Hence, nanotherapeutics served as an emerging technique to overcome problems associated with current treatment. Nanotherapeutics helps to overcome toxicity and poor solubility issues of several drugs used in the management of tuberculosis. Due to their diameter and surface chemistry, nanocarriers encapsulated with antimicrobial drugs are readily taken up by macrophages. Macrophages play a crucial role as they serve as target sites for active and passive targeting for nanocarriers. The surface of the nanocarriers is coated with ligand-specific receptors, which further enhances drug concentration locally and indicates the therapeutic potential of nanocarriers. This review highlights tuberculosis's current facts, figures, challenges associated with conventional treatment, different nanocarrier-based systems, and its application in vaccine development.
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Affiliation(s)
| | | | - Varsha Pokharkar
- Department of Pharmaceutics, Poona College of Pharmacy, Bharti Vidyapeeth Deemed University, Pune, India
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24
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Immunomodulating polyorganophosphazene-arginine layered liposome antibiotic delivery vehicle against pulmonary tuberculosis. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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25
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Wang Z, Liu X, Duan Y, Huang Y. Infection microenvironment-related antibacterial nanotherapeutic strategies. Biomaterials 2021; 280:121249. [PMID: 34801252 DOI: 10.1016/j.biomaterials.2021.121249] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022]
Abstract
The emergence and spread of antibiotic resistance is one of the biggest challenges in public health. There is an urgent need to discover novel agents against the occurrence of multidrug-resistant bacteria, such as methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococci. The drug-resistant pathogens are able to grow and persist in infected sites, including biofilms, phagosomes, or phagolysosomes, which are more difficult to eradicate than planktonic ones and also foster the development of drug resistance. For years, various nano-antibacterial agents have been developed in the forms of antibiotic nanocarriers. Inorganic nanoparticles with intrinsic antibacterial activity and inert nanoparticles assisted by external stimuli, including heat, photon, magnetism, or sound, have also been discovered. Many of these strategies are designed to target the unique microenvironment of bacterial infections, which have shown potent antibacterial effects in vitro and in vivo. This review summarizes ongoing efforts on antibacterial nanotherapeutic strategies related to bacterial infection microenvironments, including targeted antibacterial therapy and responsive antibiotic delivery systems. Several grand challenges and future directions for the development and translation of effective nano-antibacterial agents are also discussed. The development of innovative nano-antibacterial agents could provide powerful weapons against drug-resistant bacteria in systemic or local bacterial infections in the foreseeable future.
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Affiliation(s)
- Zhe Wang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China
| | - Xingyun Liu
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China
| | - Yanwen Duan
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China; Hunan Engineering Research Center of Combinatorial Biosynthesis and Natural Product Drug Discover, Changsha, Hunan, 410011, China; National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan, 410011, China.
| | - Yong Huang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China; National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan, 410011, China.
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26
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Osman N, Devnarain N, Omolo CA, Fasiku V, Jaglal Y, Govender T. Surface modification of nano-drug delivery systems for enhancing antibiotic delivery and activity. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 14:e1758. [PMID: 34643067 DOI: 10.1002/wnan.1758] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022]
Abstract
Rampant antimicrobial resistance calls for innovative strategies to effectively control bacterial infections, enhance antibacterial efficacy, minimize side effects, and protect existing antibiotics in the market. Therefore, to enhance the delivery of antibiotics and increase their bioavailability and accumulation at the site of infection, the surfaces of nano-drug delivery systems have been diversely modified. This strategy applies various covalent and non-covalent techniques to introduce specific coating materials that have been found to be effective against various sensitive and resistant microorganisms. In this review, we discuss the techniques of surface modification of nanocarriers loaded with antibacterial agents. Furthermore, saccharides, polymers, peptides, antibiotics, enzymes and cell membranes coatings that have been used for surface functionalization of nano-drug delivery systems are described, emphasizing current approaches for enhancing delivery, bioavailability, and efficacy of surface-modified antibacterial nanocarriers at infection sites. This article offers a critical overview of the potential of surface-modified antibacterial nanocarriers to overcome the limitations of conventional antibiotics in the treatment of bacterial infections. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Nawras Osman
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.,Department of Pharmaceutics, Faculty of Pharmacy, University of Gezira, Wad Medani, Sudan
| | - Nikita Devnarain
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Calvin A Omolo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.,Department of Pharmaceutics and Pharmacy Practice, School of Pharmacy and Health Sciences, United States International University-Africa, Nairobi, Kenya
| | - Victoria Fasiku
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Yajna Jaglal
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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Subramaniam S, Joyce P, Thomas N, Prestidge CA. Bioinspired drug delivery strategies for repurposing conventional antibiotics against intracellular infections. Adv Drug Deliv Rev 2021; 177:113948. [PMID: 34464665 DOI: 10.1016/j.addr.2021.113948] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 08/04/2021] [Accepted: 08/23/2021] [Indexed: 12/11/2022]
Abstract
Bacteria have developed a wealth of strategies to avoid and resist the action of antibiotics, one of which involves pathogens invading and forming reservoirs within host cells. Due to the poor cell membrane permeability, stability and retention of conventional antibiotics, this renders current treatments largely ineffective, since achieving a therapeutically relevant antibiotic concentration at the site of intracellular infection is not possible. To overcome such challenges, current antibiotics are 'repurposed' via reformulation using micro- or nano-carrier systems that effectively encapsulate and deliver therapeutics across cellular membranes of infected cells. Bioinspired materials that imitate the uptake of biological particulates and release antibiotics in response to natural stimuli are recently explored to improve the targeting and specificity of this 'nanoantibiotic' approach. In this review, the mechanisms of internalization and survival of intracellular bacteria are elucidated, effectively accentuating the current treatment challenges for intracellular infections and the implications for repurposing conventional antibiotics. Key case studies of nanoantibiotics that have drawn inspiration from natural biological particles and cellular uptake pathways to effectively eradicate intracellular pathogens are detailed, clearly highlighting the rational for harnessing bioinspired drug delivery strategies.
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Affiliation(s)
- Santhni Subramaniam
- University of South Australia, UniSA Clinical and Health Sciences, SA 5000, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide, SA 5000, Australia
| | - Paul Joyce
- University of South Australia, UniSA Clinical and Health Sciences, SA 5000, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide, SA 5000, Australia
| | - Nicky Thomas
- University of South Australia, UniSA Clinical and Health Sciences, SA 5000, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide, SA 5000, Australia; The Basil Hetzel Institute for Translational Health Research, Woodville, SA 5011, Australia
| | - Clive A Prestidge
- University of South Australia, UniSA Clinical and Health Sciences, SA 5000, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide, SA 5000, Australia.
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Study on Significance of Receptor Targeting in Killing of Intracellular Bacteria with Membrane‐Impermeable Antibiotics. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202100168] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Della Pelle G, Delgado López A, Salord Fiol M, Kostevšek N. Cyanine Dyes for Photo-Thermal Therapy: A Comparison of Synthetic Liposomes and Natural Erythrocyte-Based Carriers. Int J Mol Sci 2021; 22:ijms22136914. [PMID: 34199144 PMCID: PMC8268567 DOI: 10.3390/ijms22136914] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/21/2021] [Accepted: 06/25/2021] [Indexed: 01/02/2023] Open
Abstract
Cyanine fluorescent dyes are attractive diagnostic or therapeutic agents due to their excellent optical properties. However, in free form, their use in biological applications is limited due to the short circulation time, instability, and toxicity. Therefore, their encapsulation into nano-carriers might help overcome the above-mentioned issues. In addition to indocyanine green (ICG), which is clinically approved and therefore the most widely used fluorescent dye, we tested the structurally similar and cheaper alternative called IR-820. Both dyes were encapsulated into liposomes. However, due to the synthetic origin of liposomes, they can induce an immunogenic response. To address this challenge, we proposed to use erythrocyte membrane vesicles (EMVs) as “new era” nano-carriers for cyanine dyes. The optical properties of both dyes were investigated in different biological relevant media. Then, the temperature stability and photo-stability of dyes in free form and encapsulated into liposomes and EMVs were evaluated. Nano-carriers efficiently protected dyes from thermal degradation, as well as from photo-induced degradation. Finally, a hemotoxicity study revealed that EMVs seem less hemotoxic dye carriers than clinically approved liposomes. Herein, we showed that EMVs exhibit great potential as nano-carriers for dyes with improved stability and hemocompatibility without losing excellent optical properties.
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Affiliation(s)
- Giulia Della Pelle
- Department for Nanostructured Materials, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
- Correspondence: (G.D.P.); (N.K.)
| | - Andrea Delgado López
- Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain; (A.D.L.); (M.S.F.)
| | - Marina Salord Fiol
- Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain; (A.D.L.); (M.S.F.)
| | - Nina Kostevšek
- Department for Nanostructured Materials, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Correspondence: (G.D.P.); (N.K.)
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Kim D, Rahhal N, Rademacher C. Elucidating Carbohydrate-Protein Interactions Using Nanoparticle-Based Approaches. Front Chem 2021; 9:669969. [PMID: 34046397 PMCID: PMC8144316 DOI: 10.3389/fchem.2021.669969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Carbohydrates are present on every living cell and coordinate important processes such as self/non-self discrimination. They are amongst the first molecular determinants to be encountered when cellular interactions are initiated. In particular, they resemble essential molecular fingerprints such as pathogen-, danger-, and self-associated molecular patterns guiding key decision-making in cellular immunology. Therefore, a deeper understanding of how cellular receptors of the immune system recognize incoming particles, based on their carbohydrate signature and how this information is translated into a biological response, will enable us to surgically manipulate them and holds promise for novel therapies. One approach to elucidate these early recognition events of carbohydrate interactions at cellular surfaces is the use of nanoparticles coated with defined carbohydrate structures. These particles are captured by carbohydrate receptors and initiate a cellular cytokine response. In the case of endocytic receptors, the capturing enables the engulfment of exogenous particles. Thereafter, the particles are sorted and degraded during their passage in the endolysosomal pathway. Overall, these processes are dependent on the nature of the endocytic carbohydrate receptors and consequently reflect upon the carbohydrate patterns on the exogenous particle surface. This interplay is still an under-studied subject. In this review, we summarize the application of nanoparticles as a promising tool to monitor complex carbohydrate-protein interactions in a cellular context and their application in areas of biomedicine.
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Affiliation(s)
- Dongyoon Kim
- Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
| | - Nowras Rahhal
- Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
- Max F. Perutz Laboratories, Department of Microbiology and Immunobiology, Vienna, Austria
| | - Christoph Rademacher
- Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
- Max F. Perutz Laboratories, Department of Microbiology and Immunobiology, Vienna, Austria
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31
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Targeted polymer-based antibiotic delivery system: A promising option for treating bacterial infections via macromolecular approaches. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2021.101389] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Colino CI, Lanao JM, Gutierrez-Millan C. Recent advances in functionalized nanomaterials for the diagnosis and treatment of bacterial infections. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111843. [PMID: 33579480 DOI: 10.1016/j.msec.2020.111843] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 12/21/2020] [Accepted: 12/27/2020] [Indexed: 02/06/2023]
Abstract
The growing problem of resistant infections due to antibiotic misuse is a worldwide concern that poses a grave threat to healthcare systems. Thus, it is necessary to discover new strategies to combat infectious diseases. In this review, we provide a selective overview of recent advances in the use of nanocomposites as alternatives to antibiotics in antimicrobial treatments. Metals and metal oxide nanoparticles (NPs) have been associated with inorganic and organic supports to improve their antibacterial activity and stability as well as other properties. For successful antibiotic treatment, it is critical to achieve a high drug concentration at the infection site. In recent years, the development of stimuli-responsive systems has allowed the vectorization of antibiotics to the site of infection. These nanomaterials can be triggered by various mechanisms (such as changes in pH, light, magnetic fields, and the presence of bacterial enzymes); additionally, they can improve antibacterial efficacy and reduce side effects and microbial resistance. To this end, various types of modified polymers, lipids, and inorganic components (such as metals, silica, and graphene) have been developed. Applications of these nanocomposites in diverse fields ranging from food packaging, environment, and biomedical antimicrobial treatments to diagnosis and theranosis are discussed.
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Affiliation(s)
- Clara I Colino
- Area of Pharmacy and Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Salamanca, Spain; The Institute for Biomedical Research of Salamanca (IBSAL), Spain
| | - José M Lanao
- Area of Pharmacy and Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Salamanca, Spain; The Institute for Biomedical Research of Salamanca (IBSAL), Spain.
| | - Carmen Gutierrez-Millan
- Area of Pharmacy and Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Salamanca, Spain; The Institute for Biomedical Research of Salamanca (IBSAL), Spain
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Limqueco E, Passos Da Silva D, Reichhardt C, Su FY, Das D, Chen J, Srinivasan S, Convertine A, Skerrett SJ, Parsek MR, Stayton PS, Ratner DM. Mannose Conjugated Polymer Targeting P. aeruginosa Biofilms. ACS Infect Dis 2020; 6:2866-2871. [PMID: 33074651 DOI: 10.1021/acsinfecdis.0c00407] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Biofilms are one of the most challenging obstacles in bacterial infections. By providing protection against immune responses and antibiotic therapies, biofilms enable chronic colonization and the development of antibiotic resistance. As previous clinical observations and studies have shown, traditional antibiotic therapy alone cannot effectively treat and eliminate biofilm forming infections due to the protection conferred by the biofilm. A new strategy specifically targeting biofilms must be developed. Here, we specifically target and bind to the PAO1 biofilm and elucidate the molecular mechanism behind the interaction between a glycan targeted polymer and biofilm using a continuous flow biofilm model. The incubation of biofilms with fluorescent glycan targeted polymers demonstrated strong and persistent interactions with the mannose-containing polymer even after 24 h of continuous flow. To evaluate the role of major biofilm proteins LecB and CdrA, loss of function experiments with knockout variants established the dual involvement of both proteins in mannose targeted polymer retention. These results identify a persistent and specific targeting strategy to the biofilm, emphasizing its potential value as a delivery strategy and encouraging further exploration of biofilm targeted delivery.
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Devnarain N, Osman N, Fasiku VO, Makhathini S, Salih M, Ibrahim UH, Govender T. Intrinsic stimuli-responsive nanocarriers for smart drug delivery of antibacterial agents-An in-depth review of the last two decades. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 13:e1664. [PMID: 32808486 DOI: 10.1002/wnan.1664] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/30/2020] [Accepted: 07/20/2020] [Indexed: 12/18/2022]
Abstract
Antibiotic resistance due to suboptimal targeting and inconsistent antibiotic release at bacterial infection sites has driven the formulation of stimuli-responsive nanocarriers for antibacterial therapy. Unlike conventional nanocarriers, stimuli-responsive nanocarriers have the ability to specifically enhance targeting and drug release profiles. There has been a significant escalation in the design and development of novel nanomaterials worldwide; in particular, intrinsic stimuli-responsive antibiotic nanocarriers, due to their enhanced activity, improved targeted delivery, and superior potential for bacterial penetration and eradication. Herein, we provide an extensive and critical review of pH-, enzyme-, redox-, and ionic microenvironment-responsive nanocarriers that have been reported in literature to date, with an emphasis on the mechanisms of drug release, the nanomaterials used, the nanosystems constructed and the antibacterial efficacy of the nanocarriers. The review also highlights further avenues of research for optimizing their potential and commercialization. This review confirms the potential of intrinsic stimuli-responsive nanocarriers for enhanced drug delivery and antibacterial killing. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Nikita Devnarain
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Nawras Osman
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Victoria Oluwaseun Fasiku
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Sifiso Makhathini
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Mohammed Salih
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Usri H Ibrahim
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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Chang MC, Kuo YJ, Hung KH, Peng CL, Chen KY, Yeh LK. Liposomal dexamethasone-moxifloxacin nanoparticle combinations with collagen/gelatin/alginate hydrogel for corneal infection treatment and wound healing. ACTA ACUST UNITED AC 2020; 15:055022. [PMID: 32434164 DOI: 10.1088/1748-605x/ab9510] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Infectious keratitis is still one of the major causes of visual impairment and blindness, often affecting developing countries. Eye-drop therapy to reduce disease progression is the first line of treatment for infectious keratitis. The current limitations in controlling ophthalmic infections include rapid precorneal drug loss and the inability to provide long-term extraocular drug delivery. The aim of the present study was to develop a novel ophthalmic formulation to treat corneal infection. The formulation was prepared by constructing moxifloxacin (MFX) and dexamethasone (DEX)-loaded nanostructured lipid carriers (Lipo-MFX/DEX) mixed with a collagen/gelatin/alginate (CGA) biodegradable material (CGA-Lipo-MFX/DEX) for prolonged ocular application. The characteristics of the prepared Lipo-MFX/DEX nanoparticles were as follows: average size, 132.1 ± 73.58 nm; zeta potential, -6.27 ± 4.95 mV; entrapment efficiency, 91.5 ± 3.5%; drug content, 18.1 ± 1.7%. Our results indicated that CGA-Lipo-MFX/DEX could release an effective working concentration in 60 min and sustain the drug release for at least 12 h. CGA-Lipo-MFX/DEX did not produce significant toxicities, but it increased cell numbers when co-cultured with ocular epithelial cells. An animal study also confirmed that CGA-Lipo-MFX/DEX could inhibit pathogen microorganism growth and improve corneal wound healing. Our results suggest that CGA-Lipo-MFX/DEX could be a useful anti-inflammatory formulation for ophthalmological disease treatment.
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Affiliation(s)
- Ming-Cheng Chang
- Isotope Application Division, Institute of Nuclear Energy Research, P.O. Box 3-27, Longtan, Taoyuan 325, Taiwan
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Potential therapeutic approaches for a sleeping pathogen: tuberculosis a case for bioinorganic chemistry. J Biol Inorg Chem 2020; 25:685-704. [PMID: 32676771 DOI: 10.1007/s00775-020-01803-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/30/2020] [Indexed: 12/18/2022]
Abstract
Mycobacterium tuberculosis (Mtb) has an old history as a human pathogen and still kills over one million people every year. One key feature of this bacterium is its dormancy: a phenomenon responsible for major changes in its metabolism and replication that have been associated with the need for a lengthy therapy for Mtb. This process is regulated by key heme-based sensors, particularly DosT and DevS (DosS), among other co-regulators, and also linked to nitrogen utilization (nitrate/nitrite) and stringent responses. In face of the current threat of tuberculosis, there is an urgent need to develop new therapeutic agents capable of targeting the dormant state, associated with the need for a lengthy therapy. Interestingly, many of those key proteins are indeed metallo-containing or metallo-dependent biomolecules, opening exciting bioinorganic opportunities. Here, we critically reviewed a series of small molecules targeting key proteins involved in these processes, including DosT/DevS/DevR, RegX3, MprA, MtrA, NarL, PknB, Rel, PPK, nitrate and nitrite reductases, GlnA1, aiming for new opportunities and alternative therapies. In the battle against Mycobacterium tuberculosis, new drug targets must be searched, in particular those involved in dormancy. A series of exciting cases for drug development involving metallo-containing or metallo-dependent biomolecules are reviewed, opening great opportunities for the bioinorganic chemistry community.
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Wang Z, Liu X, Peng Y, Su M, Zhu S, Pan J, Shen B, Duan Y, Huang Y. Platensimycin-Encapsulated Liposomes or Micelles as Biosafe Nanoantibiotics Exhibited Strong Antibacterial Activities against Methicillin-Resistant Staphylococcus aureus Infection in Mice. Mol Pharm 2020; 17:2451-2462. [DOI: 10.1021/acs.molpharmaceut.0c00194] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Zhe Wang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
| | - Xingyun Liu
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
| | - Ying Peng
- Xiangya School of Pharmaceutical Science, Central South University, Changsha, Hunan 410013, China
| | - Meng Su
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
| | - Saibin Zhu
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
| | - Jian Pan
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
| | | | - Yanwen Duan
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
- Hunan Engineering Research Center of Combinatorial Biosynthesis and Natural Product Drug Discover, Changsha, Hunan 410011, China
- National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan 410011, China
| | - Yong Huang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan 410013, China
- National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan 410011, China
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Liposomal delivery of antibiotic loaded nucleic acid nanogels with enhanced drug loading and synergistic anti-inflammatory activity against S. aureus intracellular infections. J Control Release 2020; 324:620-632. [PMID: 32525012 DOI: 10.1016/j.jconrel.2020.06.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/10/2020] [Accepted: 06/03/2020] [Indexed: 12/28/2022]
Abstract
The persistence of Staphylococcus aureus has been accredited to its ability to escape immune response via host cell invasion. Despite the efficacy of many antibiotics against S. aureus, the high extracellular concentrations of conventional antibiotics required for bactericidal activity is limited by their low cellular accumulation and poor intracellular retention. While nanocarriers have received tremendous attention for antibiotic delivery against persistent pathogens, they suffer daunting challenges such as low drug loading, poor retention and untimely release of hydrophilic cargos. Here, a hybrid system (Van_DNL) is fabricated wherein nucleic acid nanogels are caged within a liposomal vesicle for antibiotic delivery. The central principle of this approach relies on exploiting non-covalent electrostatic interactions between cationic cargos and polyanionic DNA to immobilize antibiotics and enable precise temporal release against intracellular S. aureus. In vitro characterization of Van_DNL revealed a stable homogenous formulation with circular morphology and enhanced vancomycin loading efficiency. The hybrid system significantly sustained the release of vancomycin over 24 h compared to liposomal or nanogel controls. Under enzymatic conditions relevant to S. aureus infections, lipase triggered release of vancomycin was observed from the hybrid. While using Van_DNL to treat S. aureus infected macrophages, a dose dependent reduction in intracellular bacterial load was observed over 24 h and exposure to Van_DNL for 48 h caused negligible cellular toxicity. Pre-treatment of macrophages with the antimicrobial hybrid resulted in a strong anti-inflammatory activity in synergy with vancomycin following endotoxin stimulation. Conceptually, these findings highlight these hybrids as a unique and universal platform for synergistic antimicrobial and anti-inflammatory therapy against persistent infections.
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Montefusco-Pereira CV, Formicola B, Goes A, Re F, Marrano CA, Mantegazza F, Carvalho-Wodarz C, Fuhrmann G, Caneva E, Nicotra F, Lehr CM, Russo L. Coupling quaternary ammonium surfactants to the surface of liposomes improves both antibacterial efficacy and host cell biocompatibility. Eur J Pharm Biopharm 2020; 149:12-20. [PMID: 32007589 DOI: 10.1016/j.ejpb.2020.01.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 01/11/2020] [Accepted: 01/25/2020] [Indexed: 12/15/2022]
Abstract
By functionalizing the surface of PEG-liposomes with linkers bearing quaternary ammonium compounds (QACs), we generated novel bacteria disruptors with anti-adhesive properties and reduced cytotoxicity compared to free QACs. Furthermore, QAC-functionalized liposomes are a promising platform for future drug encapsulation. The QAC (11-mercaptoundecyl)-N,N,N-trimethylammonium bromide (MTAB) was attached to maleimide-functionalized liposomes (DSPE-PEG) via thiol linker. The MTAB-functionalized liposomes were physicochemically characterized and their biological activity, in terms of anti-adherence activity and biofilm prevention in Escherichia coli were assessed. The results showed that MTAB-functionalized liposomes inhibit bacterial adherence and biofilm formation while reducing MTAB toxicity.
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Affiliation(s)
- Carlos V Montefusco-Pereira
- Department of Drug Delivery (DDEL), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, Saarbrücken 66123, Germany; Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany.
| | - Beatrice Formicola
- School of Medicine and Surgery, Nanomedicine Center NANOMIB, University of Milano-Bicocca (UNIMIB), Via Raoul Follereau 3, 20854 Vedano al Lambro (MB), Italy.
| | - Adriely Goes
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany; Biogenic Nanotherapeutics Group (BION), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, Saarbrücken 66123, Germany.
| | - Francesca Re
- School of Medicine and Surgery, Nanomedicine Center NANOMIB, University of Milano-Bicocca (UNIMIB), Via Raoul Follereau 3, 20854 Vedano al Lambro (MB), Italy.
| | - Claudia A Marrano
- School of Medicine and Surgery, Nanomedicine Center NANOMIB, University of Milano-Bicocca (UNIMIB), Via Raoul Follereau 3, 20854 Vedano al Lambro (MB), Italy.
| | - Francesco Mantegazza
- School of Medicine and Surgery, Nanomedicine Center NANOMIB, University of Milano-Bicocca (UNIMIB), Via Raoul Follereau 3, 20854 Vedano al Lambro (MB), Italy.
| | - Cristiane Carvalho-Wodarz
- Department of Drug Delivery (DDEL), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, Saarbrücken 66123, Germany.
| | - Gregor Fuhrmann
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany; Biogenic Nanotherapeutics Group (BION), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, Saarbrücken 66123, Germany.
| | - Enrico Caneva
- UNITECH COSPECT: Comprehensive Substances characterization via advanced sPECTtrometry, 20133 Milan, Italy.
| | - Francesco Nicotra
- Bio Organic Chemistry Laboratory, Department of Biotechnology and Biosciences, University of Milan - Bicocca (UNIMIB), Piazza della Scienza 2, 20126 Milan, Italy.
| | - Claus-Michael Lehr
- Department of Drug Delivery (DDEL), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Campus E8.1, Saarbrücken 66123, Germany; Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany.
| | - Laura Russo
- Bio Organic Chemistry Laboratory, Department of Biotechnology and Biosciences, University of Milan - Bicocca (UNIMIB), Piazza della Scienza 2, 20126 Milan, Italy.
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Ma Y, Wang C, Li Y, Li J, Wan Q, Chen J, Tay FR, Niu L. Considerations and Caveats in Combating ESKAPE Pathogens against Nosocomial Infections. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1901872. [PMID: 31921562 PMCID: PMC6947519 DOI: 10.1002/advs.201901872] [Citation(s) in RCA: 149] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/04/2019] [Indexed: 05/19/2023]
Abstract
ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) are among the most common opportunistic pathogens in nosocomial infections. ESKAPE pathogens distinguish themselves from normal ones by developing a high level of antibiotic resistance that involves multiple mechanisms. Contemporary therapeutic strategies which are potential options in combating ESKAPE bacteria need further investigation. Herein, a broad overview of the antimicrobial research on ESKAPE pathogens over the past five years is provided with prospective clinical applications.
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Affiliation(s)
- Yu‐Xuan Ma
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Chen‐Yu Wang
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Yuan‐Yuan Li
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Jing Li
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Qian‐Qian Wan
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Ji‐Hua Chen
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
| | - Franklin R. Tay
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
- The Graduate SchoolAugusta University1430, John Wesley Gilbert DriveAugustaGA30912‐1129USA
| | - Li‐Na Niu
- State Key Laboratory of Military StomatologyNational Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical University145 Changle West RoadXi'anShaanxi710032P. R. China
- The Graduate SchoolAugusta University1430, John Wesley Gilbert DriveAugustaGA30912‐1129USA
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Wang S, Gao Y, Jin Q, Ji J. Emerging antibacterial nanomedicine for enhanced antibiotic therapy. Biomater Sci 2020; 8:6825-6839. [DOI: 10.1039/d0bm00974a] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This review highlights the different mechanisms of current nano-antibiotic systems for combatting serious antibiotic resistance of bacteria.
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Affiliation(s)
- Shuting Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yifan Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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42
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Fumaryl diketopiperazine based effervescent microparticles to escape macrophage phagocytosis for enhanced treatment of pneumonia via pulmonary delivery. Biomaterials 2019; 228:119575. [PMID: 31677394 DOI: 10.1016/j.biomaterials.2019.119575] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 10/18/2019] [Accepted: 10/18/2019] [Indexed: 11/20/2022]
Abstract
The treatment of pulmonary infections with antibiotics administered via pulmonary delivery provides for higher local therapeutic efficacy rather than through systemic administration. Pneumonia is globally considered a major cause of death due to a lack of proper medication. The treatment of pneumonia with inhalable antibiotics (such as azithromycin (AZM)) can provide a maximum pulmonary therapeutic effect without significant systemic side effects. Compared to non-effervescent microparticles, effervescent microparticles can provide an active driving force to release loaded antibiotics for subsequent distribution deep into the lung by virtue of its smaller size. In this study, N-fumaroylated diketopiperazine (FDKP) was used as a carrier to prepare effervescent inhalable microparticles loaded with AZM (AZM@FDKP-E-MPs). This effervescent dry powder was characterized for both in vitro and in vivo deposition in the lung and the results obtained showed significant improvement in lung deposition and anti-bacterial efficiency, suggesting a strong potential application for pneumonia treatment.
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Pham TN, Loupias P, Dassonville-Klimpt A, Sonnet P. Drug delivery systems designed to overcome antimicrobial resistance. Med Res Rev 2019; 39:2343-2396. [PMID: 31004359 DOI: 10.1002/med.21588] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 03/13/2019] [Accepted: 03/31/2019] [Indexed: 02/06/2023]
Abstract
Antimicrobial resistance has emerged as a huge challenge to the effective treatment of infectious diseases. Aside from a modest number of novel anti-infective agents, very few new classes of antibiotics have been successfully developed for therapeutic use. Despite the research efforts of numerous scientists, the fight against antimicrobial (ATB) resistance has been a longstanding continued effort, as pathogens rapidly adapt and evolve through various strategies, to escape the action of ATBs. Among other mechanisms of resistance to antibiotics, the sophisticated envelopes surrounding microbes especially form a major barrier for almost all anti-infective agents. In addition, the mammalian cell membrane presents another obstacle to the ATBs that target intracellular pathogens. To negotiate these biological membranes, scientists have developed drug delivery systems to help drugs traverse the cell wall; these are called "Trojan horse" strategies. Within these delivery systems, ATB molecules can be conjugated with one of many different types of carriers. These carriers could include any of the following: siderophores, antimicrobial peptides, cell-penetrating peptides, antibodies, or even nanoparticles. In recent years, the Trojan horse-inspired delivery systems have been increasingly reported as efficient strategies to expand the arsenal of therapeutic solutions and/or reinforce the effectiveness of conventional ATBs against drug-resistant microbes, while also minimizing the side effects of these drugs. In this paper, we aim to review and report on the recent progress made in these newly prevalent ATB delivery strategies, within the current context of increasing ATB resistance.
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Affiliation(s)
- Thanh-Nhat Pham
- Université de Picardie Jules Verne, AGIR: Agents Infectieux, Résistance et Chimiothérapie, Amiens, France
| | - Pauline Loupias
- Université de Picardie Jules Verne, AGIR: Agents Infectieux, Résistance et Chimiothérapie, Amiens, France
| | | | - Pascal Sonnet
- Université de Picardie Jules Verne, AGIR: Agents Infectieux, Résistance et Chimiothérapie, Amiens, France
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Hu J, Zheng Z, Liu C, Hu Q, Cai X, Xiao J, Cheng Y. A pH-responsive hydrogel with potent antibacterial activity against both aerobic and anaerobic pathogens. Biomater Sci 2019; 7:581-584. [PMID: 30460937 DOI: 10.1039/c8bm01211c] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A pH-responsive hydrogel prepared by oxidized dextran with aminoglycoside and an ornidazole analogue can kill both aerobic and anaerobic pathogens.
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Affiliation(s)
- Jingjing Hu
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- P.R. China
| | - Zhao Zheng
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- P.R. China
| | - Cenxi Liu
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- P.R. China
| | - Qianyu Hu
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- P.R. China
| | - Xiaopan Cai
- Department of Orthopedic Oncology
- Changzheng Hospital
- The Second Military Medical University
- Shanghai
- PR China
| | - Jianru Xiao
- Department of Orthopedic Oncology
- Changzheng Hospital
- The Second Military Medical University
- Shanghai
- PR China
| | - Yiyun Cheng
- Shanghai Key Laboratory of Regulatory Biology
- School of Life Sciences
- East China Normal University
- Shanghai
- P.R. China
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Jukič M, Gobec S, Sova M. Reaching toward underexplored targets in antibacterial drug design. Drug Dev Res 2018; 80:6-10. [PMID: 30312991 DOI: 10.1002/ddr.21465] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/13/2018] [Accepted: 08/15/2018] [Indexed: 01/03/2023]
Abstract
The increase of antimicrobial resistance necessitates the renewal and strong research involvement in antibacterial drug design. In the following work, we comment on the key approaches used in development of new antibacterials, focusing on intracellular therapeutic targets that have been so far mostly underexplored: the enzymes of the Mur pathway MurA to MurF. We identify common obstacles observed during research on MurA, MurB, and Mur ligases inhibitors and their development into potential antibacterial compounds, and discern several approaches and solutions to tackle the whole-cell activity of designed compounds. Furthermore, we consolidate recent literature reports and encourage the further research on Mur enzymes.
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Affiliation(s)
- Marko Jukič
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Stanislav Gobec
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Matej Sova
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
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Su FY, Srinivasan S, Lee B, Chen J, Convertine AJ, West TE, Ratner DM, Skerrett SJ, Stayton PS. Macrophage-targeted drugamers with enzyme-cleavable linkers deliver high intracellular drug dosing and sustained drug pharmacokinetics against alveolar pulmonary infections. J Control Release 2018; 287:1-11. [PMID: 30099019 PMCID: PMC6223132 DOI: 10.1016/j.jconrel.2018.08.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 07/30/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022]
Abstract
Intracellular bacterial infections localized to the lung alveolar macrophage (AM) remain one of the most challenging settings for antimicrobial therapy. Current systemic antibiotic treatment fails to deliver sustained doses to intracellular bacterial reservoirs, which necessitates prolonged treatment regimens. Herein, we demonstrate a new intracellular enzyme-cleavable polymeric prodrug with tailored ciprofloxacin release profiles in the lungs and AM. The targeted polymeric prodrug, termed "drugamers", incorporates (1) hydrophilic mannose residues to solubilize the antibiotic cargo and to target and enhance AM uptake and intracellular delivery, and (2) enzyme-cleavable linkage chemistry to provide high and sustained intracellular AM drug dosing. Prodrug monomers, derived from the antibiotic ciprofloxacin, were synthesized with either an intracellular protease cleavable dipeptide linker or a hydrolytic phenyl ester linker. RAFT polymerization was used to copolymerize the prodrug monomers and mannose monomer to synthesize well-defined drugamers without requiring a post-polymerization conjugation step. In addition to favorable in vivo safety profiles following intratracheal administration, a single dose of the drugamers sustained ciprofloxacin dosing in lungs and AMs above the minimum inhibitory concentration (MIC) over at least a 48 h period. The enzyme-cleavable therapeutic achieved a >10-fold increase in sustained ciprofloxacin in AM, and maintained a significantly higher whole lung PK as well. Ciprofloxacin dosed in identical fashion displayed rapid clearance with a half-life of approximately 30 min. Notably, inhalation of the mannose-targeted ciprofloxacin drugamers achieved full survival (100%) in a highly lethal mouse model of pneumonic tularemia, contrasted with 0% survival using free ciprofloxacin. These findings demonstrate the versatility of the drugamer platform for engineering the intracellular pharmacokinetic profiles and its strong therapeutic activity in treating pulmonary intracellular infections.
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Affiliation(s)
- Fang-Yi Su
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States
| | - Selvi Srinivasan
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States
| | - Brian Lee
- Division of Pulmonary and Critical Care Medicine, Harborview Medical Center, University of Washington, Seattle, WA 98104, United States
| | - Jasmin Chen
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States
| | - Anthony J Convertine
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States
| | - Timothy Eoin West
- Division of Pulmonary and Critical Care Medicine, Harborview Medical Center, University of Washington, Seattle, WA 98104, United States; Department of Global Health, University of Washington, Seattle, WA 98195, United States.
| | - Daniel M Ratner
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States.
| | - Shawn J Skerrett
- Division of Pulmonary and Critical Care Medicine, Harborview Medical Center, University of Washington, Seattle, WA 98104, United States.
| | - Patrick S Stayton
- Department of Bioengineering, University of Washington, Seattle, WA 98195, United States.
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