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Liang J, Han J, Gao X, Jia H, Li R, Tse ECM, Li Y. Clickable APEX2 Probes for Enhanced RNA Proximity Labeling in Live Cells. Anal Chem 2024; 96:685-693. [PMID: 38099807 DOI: 10.1021/acs.analchem.3c03614] [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: 12/30/2023]
Abstract
Although APEX2-mediated proximity labeling has been extensively implemented for studying RNA subcellular localization in live cells, the biotin-phenoxyl radical used for labeling RNAs has a relatively low efficiency, which can limit its compatibility with other profiling methods. Herein, a set of phenol derivatives were designed as APEX2 probes through balancing reactivity, hydrophilicity, and lipophilicity. Among these derivatives, Ph_N3 exhibited reliable labeling ability and enabled two biotinylation routes for downstream analysis. As a proof of concept, we used APEX2/Ph_N3 labeling with high-throughput sequencing analysis to examine the transcriptomes in the mitochondrial matrix, demonstrating high sensitivity and specificity. To further expand the utility of Ph_N3, we employed mechanistically orthogonal APEX2 and singlet oxygen (1O2)-mediated strategies for dual location labeling in live cells. Specifically, DRAQ5, a DNA-intercalating photosensitizer, was applied for nucleus-restricted 1O2 labeling. We validated the orthogonality of APEX2/Ph_N3 and DRAQ5-1O2 at the imaging level, providing an attractive and feasible approach for future studies of RNA translocation in live cells.
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Affiliation(s)
- Jiying Liang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jinghua Han
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xutao Gao
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Han Jia
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Ran Li
- Academy for Advanced Interdisciplinary Studies, PKU-Tsinghua Center for Life Science, Peking University, Beijing 100871, China
| | - Edmund C M Tse
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, New Territories, Hong Kong, China
| | - Ying Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, New Territories, Hong Kong, China
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2
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Suvarna V, Sawant N, Desai N. A Review on Recent Advances in Mannose-Functionalized Targeted Nanocarrier Delivery Systems in Cancer and Infective Therapeutics. Crit Rev Ther Drug Carrier Syst 2023; 40:43-82. [PMID: 36734913 DOI: 10.1615/critrevtherdrugcarriersyst.2022041853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Unmodified nanocarriers used in the chemotherapy of cancers and various infectious diseases exhibit prolonged blood circulation time, prevent enzymatic degradation and increase chemical stability of encapsulated therapeutics. However, off-target effect and lack of specificity associated with unmodified nanoparticles (NPs) limit their applications in the health care system. Mannose (Man) receptors with significant overexpression on antigen-presenting cells and macrophages are among the most admired targets for cancer and anti-infective therapeutics. Therefore, development of Man functionalized nanocarriers targeting Man receptors, for target specific drug delivery in the chemotherapy have been extensively studied. Present review expounds diverse Man-conjugated NPs with their potential for targeted drug delivery, improved biodistribution profiles and localization. Additionally, the review gives detailed account of the interactions of mannosylated NPs with various biological systems and their characterization not discussed in earlier published reports is discussed.
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Affiliation(s)
- Vasanti Suvarna
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400056, Maharashtra, India
| | - Niserga Sawant
- C.U. Shah College of Pharmacy, SNDT Women's University, Santacruz (W), Mumbai 400049, Maharashtra, India
| | - Namita Desai
- Department of Pharmaceutics, C. U. Shah College of Pharmacy, SNDT Women's University, Santacruz (W), Mumbai - 400049, Maharashtra, India
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3
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Sarkar B, Mahapa A, Dey K, Manhas R, Chatterji D, Jayaraman N. Aza-Michael promoted glycoconjugation of PETIM dendrimers and selectivity in mycobacterial growth inhibitions. RSC Adv 2023; 13:4669-4677. [PMID: 36760308 PMCID: PMC9897202 DOI: 10.1039/d2ra08196b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 01/25/2023] [Indexed: 02/05/2023] Open
Abstract
The benign nature of aza-Michael addition reaction in aqueous solutions is demonstrated herein to conduct a direct glycoconjugation of amine-terminated poly(ether imine) (PETIM) dendrimers. Zero to three generations of dendrimers, possessing up to 16 amine functionalities at their peripheries, undergo aza-Michael reaction with unsaturated sugar vinyl sulfoxide in aq. MeOH solutions and afford the corresponding dendrimers modified with multiple glycosyl moieties at the periphery. First order kinetics of the glycoconjugation is monitored at varying temperatures and the rate constants are observed to be 60-508 s-1, for zero and first generation dendrimers. The antibacterial effects of amine-terminated dendrimers and the corresponding glycoconjugates are studied across Gram-positive, Gram-negative and acid-fast bacteria. Among the species, M. smegmatis and M. tuberculosis showed the greatest growth inhibition effect at micromolar concentrations, for the native amine-terminated and the corresponding glycoconjugated dendrimers. Quantitative assays are performed to adjudge the inhibition efficacies of dendrimers and the glycoconjugates. Selectivity to inhibit M. smegmatis and M. tuberculosis growth, and minimal effects on other bacterial species by dendrimers and glycoconjugates are emphasized.
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Affiliation(s)
- Biswajit Sarkar
- Department of Organic Chemistry, Indian Institute of Science Bangalore 560 012 India
| | - Avisek Mahapa
- Molecular Biophysics Unit, Indian Institute of Science Bangalore 560 012 India
- Infectious Disease Department, CSIR-Indian Institute of Integrative Medicine Jammu-180001 India
| | - Kalyan Dey
- Department of Organic Chemistry, Indian Institute of Science Bangalore 560 012 India
| | - Rakshit Manhas
- Infectious Disease Department, CSIR-Indian Institute of Integrative Medicine Jammu-180001 India
| | - Dipankar Chatterji
- Molecular Biophysics Unit, Indian Institute of Science Bangalore 560 012 India
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Mousavifar L, Parreira P, Taponard A, Graça VCD, Martins MCL, Roy R. Validation of Selective Capture of Fimbriated Uropathogenic Escherichia coli by a Label-free Engineering Detection System Using Mannosylated Surfaces. ACS APPLIED BIO MATERIALS 2022; 5:5877-5886. [PMID: 36417663 DOI: 10.1021/acsabm.2c00838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Label-free detection of pathogens is of major concern to the microbiologist community. Most procedures require several steps and amplification techniques. Carbohydrates are well-established receptors for host-pathogen interactions, which can be amplified using glycodendritic architectures on the basis of multivalent binding interactions. Given that uropathogenic Escherichia coli bacterial FimH is based on such mannopyranoside-binding interactions, we demonstrate herein that synthetic monomeric and trimeric thiolated α-d-mannosides can be effectively bound to gold substrate-functionalized self-assembled monolayers (SAMs) preactivated with maleimide functionalities. Mannosides grafted onto SAMs were followed using Quartz Crystal Microbalance with Dissipation (QCM-D). Binding recognition efficiency was first evaluated using the plant lectin from Canavalia ensiformis (ConA) also using QCM-D. We showed a direct correlation between the amount of mannoside bound and the lectin attachment. Even though there was less trimer bound (nM/cm2) to the surface, we observed a 7-fold higher amount of lectin anchoring, thus further demonstrating the value of the multivalent interactions. We next examined the relative fimbriated E. coli selective adhesion/capture to either the monomeric or the trimeric mannoside bound to the surface. Our results established the successful engineering of the surfaces to show E. coli adhesion via specific mannopyranoside binding but unexpectedly, the monomeric derivative was more efficient than the trimeric analog, which could be explained by steric hindrance. This approach strongly suggests that it could be broadly applicable to other Gram-negative bacteria sharing analogous carbohydrate-dependent binding interactions.
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Affiliation(s)
- Leila Mousavifar
- Glycosciences and Nanomaterials Laboratory, Department of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada
| | - Paula Parreira
- i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.,INEB, Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Alexis Taponard
- Glycosciences and Nanomaterials Laboratory, Department of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada
| | - Vanessa C D Graça
- INEB, Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - M Cristina L Martins
- i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.,INEB, Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal.,ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4200-135 Porto, Portugal
| | - René Roy
- Glycosciences and Nanomaterials Laboratory, Department of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Succ. Centre-Ville, Montréal, Québec H3C 3P8, Canada
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5
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Gupta A, Gupta GS. Applications of mannose-binding lectins and mannan glycoconjugates in nanomedicine. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2022; 24:228. [PMID: 36373057 PMCID: PMC9638366 DOI: 10.1007/s11051-022-05594-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/12/2022] [Indexed: 06/01/2023]
Abstract
UNLABELLED Glycosylated nanoparticles (NPs) have drawn a lot of attention in the biomedical field over the past few decades, particularly in applications like targeted drug delivery. Mannosylated NPs and mannan-binding lectins/proteins (MBL/MBP) are emerging as promising tools for delivery of drugs, medicines, and enzymes to targeted tissues and cells as nanocarriers, enhancing their therapeutic benefits while avoiding the adverse effects of the drug. The occurrence of plenty of lectin receptors and their mannan ligands on cell surfaces makes them multifaceted carriers appropriate for specific delivery of bioactive drug materials to their targeted sites. Thus, the present review describes the tethering of mannose (Man) to several nanostructures, like micelles, liposomes, and other NPs, applicable for drug delivery systems. Bioadhesion through MBL-like receptors on cells has involvements applicable to additional arenas of science, for example gene delivery, tissue engineering, biomaterials, and nanotechnology. This review also focuses on the role of various aspects of drug/antigen delivery using (i) mannosylated NPs, (ii) mannosylated lectins, (iii) amphiphilic glycopolymer NPs, and (iv) natural mannan-containing polysaccharides, with most significant applications of MBL-based NPs as multivalent scaffolds, using different strategies. GRAPHICAL ABSTRACT Mannosylated NPs and/or MBL/MBP are coming up as viable and versatile tools as nanocarriers to deliver drugs and enzymes precisely to their target tissues or cells. The presence of abundant number of lectin receptors and their mannan ligands on cell surfaces makes them versatile carriers suitable for the targeted delivery of bioactive drugs.
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Affiliation(s)
- Anita Gupta
- Chitkara School of Health Sciences, Chitkara University, Punjab, India
| | - G. S. Gupta
- Department of Biophysics, Panjab University, Chandigarh, 160014 India
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6
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Barchi JJ. Glycoconjugate Nanoparticle-Based Systems in Cancer Immunotherapy: Novel Designs and Recent Updates. Front Immunol 2022; 13:852147. [PMID: 35432351 PMCID: PMC9006936 DOI: 10.3389/fimmu.2022.852147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/04/2022] [Indexed: 11/15/2022] Open
Abstract
For many years, cell-surface glycans (in particular, Tumor-Associated Carbohydrate Antigens, TACAs) have been the target of both passive and active anticancer immunotherapeutic design. Recent advances in immunotherapy as a treatment for a variety of malignancies has revolutionized anti-tumor treatment regimens. Checkpoint inhibitors, Chimeric Antigen Receptor T-cells, Oncolytic virus therapy, monoclonal antibodies and vaccines have been developed and many approvals have led to remarkable outcomes in a subset of patients. However, many of these therapies are very selective for specific patient populations and hence the search for improved therapeutics and refinement of techniques for delivery are ongoing and fervent research areas. Most of these agents are directed at protein/peptide epitopes, but glycans-based targets are gaining in popularity, and a handful of approved immunotherapies owe their activity to oligosaccharide targets. In addition, nanotechnology and nanoparticle-derived systems can help improve the delivery of these agents to specific organs and cell types based on tumor-selective approaches. This review will first outline some of the historical beginnings of this research area and subsequently concentrate on the last 5 years of work. Based on the progress in therapeutic design, predictions can be made as to what the future holds for increasing the percentage of positive patient outcomes for optimized systems.
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Affiliation(s)
- Joseph J. Barchi
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, MD, United States
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7
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Rajasekar M, Sree Agash SG, Rajasekar K. Review of photoresponsive and glycoside dendrimers in biomaterials and sensors applications. RSC Adv 2022; 12:35123-35150. [DOI: 10.1039/d2ra06563k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Dendrimers are branched molecules with well-defined lengths, shapes, molecular weights, and monodispersity in comparison to linear polymers.
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Affiliation(s)
- Mani Rajasekar
- Synthetic Organic and Medicinal Chemistry Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai-600119, Tamil Nadu, India
| | - Saravanan Geetha Sree Agash
- Synthetic Organic and Medicinal Chemistry Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai-600119, Tamil Nadu, India
| | - Kumarasan Rajasekar
- Synthetic Organic and Medicinal Chemistry Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai-600119, Tamil Nadu, India
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8
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Abstract
The construction of well-defined polyurethane dendrimers is challenging due to the high reactivity of externally added or in situ formed isocyanates leading to the formation of side products. With a primary focus of dendrimer research being the interaction of the periphery and the core, we report the synthesis of a common polyurethane dendron, which allows for the late-stage variation of both the periphery and the core. The periphery can be varied simply by installing a clickable unit in the dendron and then attaching to the core and vice-versa. Thus, a common dendron allows for varying periphery and core in the final two steps. To accomplish this, a protecting group-free, one-pot multicomponent Curtius reaction was utilized to afford a robust and versatile AB2 type polyurethane dendron employing commercially available simple molecules: 5-hydroxyisophthalic acid, 11-bromoundecanol, and 4-penten-1-ol. Subsequent late-stage modifications of either dendrons or dendrimers via a thiol-ene click reaction gave surface-functionalized alternating aromatic-aliphatic polyurethane homodendrimers to generation-three (G3). The dendrons and the dendrimers were characterized by NMR, mass spectrometry, and FT-IR analysis. A bifunctional AB2 type dendritic monomer demonstrated this approach’s versatility that can either undergo a thiol-ene click or attachment to the core. This approach enables the incorporation of functionalities at the periphery and the core that may not withstand the dendrimer growth for the synthesis of polyurethane dendrimers and other dendritic macromolecules.
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9
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Jatczak-Pawlik I, Gorzkiewicz M, Studzian M, Zinke R, Appelhans D, Klajnert-Maculewicz B, Pułaski Ł. Nanoparticles for Directed Immunomodulation: Mannose-Functionalized Glycodendrimers Induce Interleukin-8 in Myeloid Cell Lines. Biomacromolecules 2021; 22:3396-3407. [PMID: 34286584 PMCID: PMC8382243 DOI: 10.1021/acs.biomac.1c00476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/06/2021] [Indexed: 12/22/2022]
Abstract
New therapeutic strategies for personalized medicine need to involve innovative pharmaceutical tools, for example, modular nanoparticles designed for direct immunomodulatory properties. We synthesized mannose-functionalized poly(propyleneimine) glycodendrimers with a novel architecture, where freely accessible mannose moieties are presented on poly(ethylene glycol)-based linkers embedded within an open-shell maltose coating. This design enhanced glycodendrimer bioactivity and led to complex functional effects in myeloid cells, with specific induction of interleukin-8 expression by mannose glycodendrimers detected in HL-60 and THP-1 cells. We concentrated on explaining the molecular mechanism of this phenomenon, which turned out to be different in both investigated cell lines: in HL-60 cells, transcriptional activation via AP-1 binding to the promoter predominated, while in THP-1 cells (which initially expressed less IL-8), induction was mediated mainly by mRNA stabilization. The success of directed immunomodulation, with synthetic design guided by assumptions about mannose-modified dendrimers as exogenous regulators of pro-inflammatory chemokine levels, opens new possibilities for designing bioactive nanoparticles.
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Affiliation(s)
- Izabela Jatczak-Pawlik
- Department
of Hypertension, Chair of Nephrology and Hypertension, Medical University of Lodz, 281/289 Rzgowska Street, Lodz 93-338, Poland
- Polish
Mother’s Memorial Hospital Research Institute (PMMHRI), 281/289 Rzgowska Street, Lodz 93-338, Poland
- Department
of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, Lodz 90-236, Poland
| | - Michał Gorzkiewicz
- Department
of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, Lodz 90-236, Poland
| | - Maciej Studzian
- Department
of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, Lodz 90-236, Poland
| | - Robin Zinke
- Leibniz
Institute of Polymer Research Dresden, Hohe Straße 6, Dresden 01069, Germany
| | - Dietmar Appelhans
- Leibniz
Institute of Polymer Research Dresden, Hohe Straße 6, Dresden 01069, Germany
| | - Barbara Klajnert-Maculewicz
- Department
of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, Lodz 90-236, Poland
| | - Łukasz Pułaski
- Department
of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, Lodz 90-236, Poland
- Laboratory
of Transcriptional Regulation, Institute
of Medical Biology PAS, 106 Lodowa Street, Lodz 93-232, Poland
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10
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Palmioli A, Sperandeo P, Bertuzzi S, Polissi A, Airoldi C. On-cell saturation transfer difference NMR for the identification of FimH ligands and inhibitors. Bioorg Chem 2021; 112:104876. [PMID: 33845337 DOI: 10.1016/j.bioorg.2021.104876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/14/2021] [Accepted: 03/25/2021] [Indexed: 12/23/2022]
Abstract
We describe the development of an on-cell NMR method for the rapid screening of FimH ligands and the structural identification of ligand binding epitopes. FimH is a mannose-binding bacterial adhesin expressed at the apical end of type 1 pili of uropathogenic bacterial strains and responsible for their d-mannose sensitive adhesion to host mammalian epithelial cells. Because of these properties, FimH is a key virulence factor and an attractive therapeutic target for urinary tract infection. We prepared synthetic d-mannose decorated dendrimers, we tested their ability to prevent the FimH-mediated yeast agglutination, and thus we used the compounds showing the best inhibitory activity as models of FimH multivalent ligands to set up our NMR methodology. Our experimental protocol, based on on-cell STD NMR techniques, is a suitable tool for the screening and the epitope mapping of FimH ligands aimed at the development of new antiadhesive and diagnostic tools against urinary tract infection pathogens. Notably, the study is carried out in a physiological environment, i.e. at the surface of living pathogen cells expressing FimH.
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Affiliation(s)
- Alessandro Palmioli
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy.
| | - Paola Sperandeo
- Department of Pharmacological and Biomolecular Sciences, University of Milano, Via Balzaretti, 9/11/13, 20133 Milano, Italy
| | - Sara Bertuzzi
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy; Chemical Glycobiology Lab, Center for Cooperative Research in Biosciences (CIC-bioGUNE), 48160 Derio, Spain
| | - Alessandra Polissi
- Department of Pharmacological and Biomolecular Sciences, University of Milano, Via Balzaretti, 9/11/13, 20133 Milano, Italy
| | - Cristina Airoldi
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy.
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11
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Qindeel M, Barani M, Rahdar A, Arshad R, Cucchiarini M. Nanomaterials for the Diagnosis and Treatment of Urinary Tract Infections. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:546. [PMID: 33671511 PMCID: PMC7926703 DOI: 10.3390/nano11020546] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 02/07/2023]
Abstract
The diagnosis and treatment of urinary tract infections (UTIs) remain challenging due to the lack of convenient assessment techniques and to the resistance to conventional antimicrobial therapy, showing the need for novel approaches to address such problems. In this regard, nanotechnology has a strong potential for both the diagnosis and therapy of UTIs via controlled delivery of antimicrobials upon stable, effective and sustained drug release. On one side, nanoscience allowed the production of various nanomaterial-based evaluation tools as precise, effective, and rapid procedures for the identification of UTIs. On the other side, nanotechnology brought tremendous breakthroughs for the treatment of UTIs based on the use of metallic nanoparticles (NPs) for instance, owing to the antimicrobial properties of metals, or of surface-tailored nanocarriers, allowing to overcome multidrug-resistance and prevent biofilm formation via targeted drug delivery to desired sites of action and preventing the development of cytotoxic processes in healthy cells. The goal of the current study is therefore to present the newest developments for the diagnosis and treatment of UTIs based on nanotechnology procedures in relation to the currently available techniques.
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Affiliation(s)
- Maimoona Qindeel
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.Q.); (R.A.)
| | - Mahmood Barani
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman 76169-14111, Iran;
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
| | - Rabia Arshad
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.Q.); (R.A.)
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center, Kirrbergerstr. Bldg. 37, D-66421 Homburg, Germany
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12
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Sarshar M, Behzadi P, Ambrosi C, Zagaglia C, Palamara AT, Scribano D. FimH and Anti-Adhesive Therapeutics: A Disarming Strategy Against Uropathogens. Antibiotics (Basel) 2020; 9:E397. [PMID: 32664222 PMCID: PMC7400442 DOI: 10.3390/antibiotics9070397] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 02/06/2023] Open
Abstract
Chaperone-usher fimbrial adhesins are powerful weapons against the uropathogens that allow the establishment of urinary tract infections (UTIs). As the antibiotic therapeutic strategy has become less effective in the treatment of uropathogen-related UTIs, the anti-adhesive molecules active against fimbrial adhesins, key determinants of urovirulence, are attractive alternatives. The best-characterized bacterial adhesin is FimH, produced by uropathogenic Escherichia coli (UPEC). Hence, a number of high-affinity mono- and polyvalent mannose-based FimH antagonists, characterized by different bioavailabilities, have been reported. Given that antagonist affinities are firmly associated with the functional heterogeneities of different FimH variants, several FimH inhibitors have been developed using ligand-drug discovery strategies to generate high-affinity molecules for successful anti-adhesion therapy. As clinical trials have shown d-mannose's efficacy in UTIs prevention, it is supposed that mannosides could be a first-in-class strategy not only for UTIs, but also to combat other Gram-negative bacterial infections. Therefore, the current review discusses valuable and effective FimH anti-adhesive molecules active against UTIs, from design and synthesis to in vitro and in vivo evaluations.
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Affiliation(s)
- Meysam Sarshar
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Laboratory affiliated to Institute Pasteur Italia- Cenci Bolognetti Foundation, 00185 Rome, Italy
- Research Laboratories, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran 1316943551, Iran
| | - Payam Behzadi
- Department of Microbiology, College of Basic Sciences, Shahr-e-Qods Branch, Islamic Azad University, Tehran 37541-374, Iran
| | - Cecilia Ambrosi
- IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy
| | - Carlo Zagaglia
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, 00185 Rome, Italy
| | - Anna Teresa Palamara
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Laboratory affiliated to Institute Pasteur Italia- Cenci Bolognetti Foundation, 00185 Rome, Italy
- IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy
| | - Daniela Scribano
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, 00185 Rome, Italy
- Dani Di Giò Foundation-Onlus, 00193 Rome, Italy
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