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Vona D, Cicco SR, Vicente-Garcia C, Digregorio A, Rizzo G, Labarile R, Giangregorio MM, Porfido C, Terzano R, Altamura E, Cotugno P, Farinola GM. A melanin-like polymer bearing phenylboronic units as a suitable bioplatform for living cell display technology. Sci Rep 2024; 14:17856. [PMID: 39090178 PMCID: PMC11294599 DOI: 10.1038/s41598-024-68932-4] [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: 05/21/2024] [Accepted: 07/30/2024] [Indexed: 08/04/2024] Open
Abstract
Surface display of functional groups with specific reactivity around living cells is an emerging, low cost and highly eco-compatible technology that serves multiple applications, ranging from basic biochemical studies to biomedicine, therapeutics and environmental sciences. Conversely to classical methods exploiting hazardous organic synthesis of precursors or monovalent functionalization via genetics, here we perform functional decoration of individual living microalgae using suitable biocoatings based on polydopamine, a melanin-like synthetic polymer. Here we demonstrate the one-pot synthesis of a functional polydopamine bearing phenylboronic units which can decorate the living cell surfaces via a direct ester formation between boronic units and surface glycoproteins. Furthermore, biosorption of fluorescent sugars on functionalized cell membranes is triggered, demonstrating that these organic coatings act as biocompatible soft shells, still functional and reactive after cell engineering.
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Affiliation(s)
- Danilo Vona
- Dipartimento Di Scienze del Suolo, Della Pianta E Degli Alimenti (Di.S.S.P.A.), Università Degli Studi Di Bari "Aldo Moro", Via G. Amendola 165/A, 70126, Bari, Italy
| | | | - Cesar Vicente-Garcia
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy
| | - Alessandro Digregorio
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy
| | - Giorgio Rizzo
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy
| | - Rossella Labarile
- Consiglio Nazionale Delle Ricerche, IPCF-CNR, Via E. Orabona 4, 70126, Bari, Italy
| | | | - Carlo Porfido
- Dipartimento Di Scienze del Suolo, Della Pianta E Degli Alimenti (Di.S.S.P.A.), Università Degli Studi Di Bari "Aldo Moro", Via G. Amendola 165/A, 70126, Bari, Italy
| | - Roberto Terzano
- Dipartimento Di Scienze del Suolo, Della Pianta E Degli Alimenti (Di.S.S.P.A.), Università Degli Studi Di Bari "Aldo Moro", Via G. Amendola 165/A, 70126, Bari, Italy
| | - Emiliano Altamura
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy
| | - Pietro Cotugno
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy.
| | - Gianluca Maria Farinola
- Dipartimento Di Chimica, Università Degli Studi Di Bari "Aldo Moro", Via E. Orabona 4, 70126, Bari, Italy
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2
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Ghosh P. Boronic Acid-Linked Cell-Penetrating Peptide for Protein Delivery. ACS OMEGA 2024; 9:19051-19056. [PMID: 38708278 PMCID: PMC11064025 DOI: 10.1021/acsomega.3c09689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/13/2024] [Accepted: 04/08/2024] [Indexed: 05/07/2024]
Abstract
Studying functional protein delivery into live cells is important, ranging from fundamental research to therapeutics. Cell-penetrating peptides (CPPs) are known to deliver proteins with applauded efficacy and have gained importance for applications in protein therapeutics and exploration of versatile cellular mechanisms. The primary aim of the work is to design a CPP as a tool and delivery vehicle for macromolecules, including proteins. In this work, boronic acid-linked cyclic deca arginine (cR10) is reported as an efficient CPP that exhibited 3-fold higher delivery of chemically synthesized ubiquitin (Ub) than pristine cR10-linked Ub, examined with live U2OS cells. As a futuristic plan, an artificial intelligence machine learning-based rationale has been designed and proposed.
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3
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Kavoosi S, Deprey K, Kritzer JA, Islam K. 5-Dihydroxyboryluridine enhances cytosolic penetration of antisense oligonucleotides. Chem Commun (Camb) 2023; 59:8692-8695. [PMID: 37345964 PMCID: PMC10363330 DOI: 10.1039/d3cc01945d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
The most significant challenge for nucleic acid drug development is their delivery across the cell membrane. Herein, we harness the reversible binding between boronic acids and cell surface glycans to aid in the cellular delivery of synthetic oligonucleotides. We install the artificial nucleotide 5-dihydroxyboryluridine (5boU) in a site-specific manner within druglike antisense oligonucleotides and demonstrate that these boronate-containing nucleic acids have enhanced cytosolic penetration and splice-correcting activity compared to non-boronate analogs. Strategic incorporation of 5boU is a simple, modular, and potentially general means of enhancing cellular delivery of therapeutic nucleic acids.
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Affiliation(s)
- Sam Kavoosi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
| | - Kirsten Deprey
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA.
| | - Joshua A Kritzer
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA.
| | - Kabirul Islam
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
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4
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Pourali P, Dzmitruk V, Pátek M, Neuhöferová E, Svoboda M, Benson V. Fate of the capping agent of biologically produced gold nanoparticles and adsorption of enzymes onto their surface. Sci Rep 2023; 13:4916. [PMID: 36966192 PMCID: PMC10039949 DOI: 10.1038/s41598-023-31792-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 03/17/2023] [Indexed: 03/27/2023] Open
Abstract
Enzymotherapy based on DNase I or RNase A has often been suggested as an optional strategy for cancer treatment. The efficacy of such procedures is limited e.g. by a short half-time of the enzymes or a low rate of their internalization. The use of nanoparticles, such as gold nanoparticles (AuNPs), helps to overcome these limits. Specifically, biologically produced AuNPs represent an interesting variant here due to naturally occurring capping agents (CA) on their surface. The composition of the CA depends on the producing microorganism. CAs are responsible for the stabilization of the nanoparticles, and promote the direct linking of targeting and therapeutic molecules. This study provided proof of enzyme adsorption onto gold nanoparticles and digestion efficacy of AuNPs-adsorbed enzymes. We employed Fusarium oxysporum extract to produce AuNPs. These nanoparticles were round or polygonal with a size of about 5 nm, negative surface charge of about - 33 mV, and maximum absorption peak at 530 nm. After the adsorption of DNAse I, RNase A, or Proteinase K onto the AuNPs surface, the nanoparticles exhibited shifts in surface charge (values between - 22 and - 13 mV) and maximum absorption peak (values between 513 and 534 nm). The ability of AuNP-enzyme complexes to digest different targets was compared to enzymes alone. We found a remarkable degradation of ssDNA, and dsDNA by AuNP-DNAse I, and a modest degradation of ssRNA by AuNP-RNase A. The presence of particular enzymes on the AuNP surface was proved by liquid chromatography-mass spectrometry (LC-MS). Using SDS-PAGE electrophoresis, we detected a remarkable digestion of collagen type I and fibrinogen by AuNP-proteinase K complexes. We concluded that the biologically produced AuNPs directly bound DNase I, RNase A, and proteinase K while preserving their ability to digest specific targets. Therefore, according to our results, AuNPs can be used as effective enzyme carriers and the AuNP-enzyme conjugates can be effective tools for enzymotherapy.
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Affiliation(s)
- Parastoo Pourali
- Institute of Microbiology, Czech Academy of Sciences, 142 20, Prague, Czech Republic
| | - Volha Dzmitruk
- Center of Molecular Structure, Institute of Biotechnology, Czech Academy of Sciences, 252 50, Prague, Czech Republic
| | - Miroslav Pátek
- Institute of Microbiology, Czech Academy of Sciences, 142 20, Prague, Czech Republic
| | - Eva Neuhöferová
- Institute of Microbiology, Czech Academy of Sciences, 142 20, Prague, Czech Republic
| | - Milan Svoboda
- Institute of Analytical Chemistry, Czech Academy of Sciences, 602 00, Brno, Czech Republic
| | - Veronika Benson
- Institute of Microbiology, Czech Academy of Sciences, 142 20, Prague, Czech Republic.
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5
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Lou J, Qualls ML, Best MD. Sticking the Landing: Enhancing Liposomal Cell Delivery using Reversible Covalent Chemistry and Caged Targeting Groups. Chembiochem 2023; 24:e202200436. [PMID: 36164720 PMCID: PMC9985139 DOI: 10.1002/cbic.202200436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/23/2022] [Indexed: 01/20/2023]
Abstract
Liposomes are highly effective nanocarriers for encapsulating and delivering a wide range of therapeutic cargo. While advancements in liposome design have improved several pharmacological characteristics, an important area that would benefit from further progress involves cellular targeting and entry. In this concept article, we will focus on recent progress utilizing strategies including reversible covalent bonding and caging groups to activate liposomal cell entry. These approaches take advantage of advancements that have been made in complementary fields including molecular sensing and chemical biology and direct this technology toward controlling liposome cell delivery properties. The decoration of liposomes with groups including boronic acids and cyclic disulfides is presented as a means for driving delivery through reaction with functional groups on cell surfaces. Additionally, caging groups can be exploited to activate cell delivery only upon encountering a target stimulus. These approaches provide promising new avenues for controlling cell delivery in the development of next-generation liposomal therapeutic nanocarriers.
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Affiliation(s)
- Jinchao Lou
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, 37996, Knoxville, TN, USA
| | - Megan L Qualls
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, 37996, Knoxville, TN, USA
| | - Michael D Best
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, 37996, Knoxville, TN, USA
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6
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Dong X, Brahma RK, Fang C, Yao SQ. Stimulus-responsive self-assembled prodrugs in cancer therapy. Chem Sci 2022; 13:4239-4269. [PMID: 35509461 PMCID: PMC9006903 DOI: 10.1039/d2sc01003h] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/17/2022] [Indexed: 12/14/2022] Open
Abstract
Small-molecule prodrugs have become the main toolbox to improve the unfavorable physicochemical properties of potential therapeutic compounds in contemporary anti-cancer drug development. Many approved small-molecule prodrugs, however, still face key challenges in their pharmacokinetic (PK) and pharmacodynamic (PD) properties, thus severely restricting their further clinical applications. Self-assembled prodrugs thus emerged as they could take advantage of key benefits in both prodrug design and nanomedicine, so as to maximize drug loading, reduce premature leakage, and improve PK/PD parameters and targeting ability. Notably, temporally and spatially controlled release of drugs at cancerous sites could be achieved by encoding various activable linkers that are sensitive to chemical or biological stimuli in the tumor microenvironment (TME). In this review, we have comprehensively summarized the recent progress made in the development of single/multiple-stimulus-responsive self-assembled prodrugs for mono- and combinatorial therapy. A special focus was placed on various prodrug conjugation strategies (polymer-drug conjugates, drug-drug conjugates, etc.) that facilitated the engineering of self-assembled prodrugs, and various linker chemistries that enabled selective controlled release of active drugs at tumor sites. Furthermore, some polymeric nano-prodrugs that entered clinical trials have also been elaborated here. Finally, we have discussed the bottlenecks in the field of prodrug nanoassembly and offered potential solutions to overcome them. We believe that this review will provide a comprehensive reference for the rational design of effective prodrug nanoassemblies that have clinic translation potential.
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Affiliation(s)
- Xiao Dong
- Department of Pharmacy, School of Medicine, Shanghai University Shanghai 200444 China
| | - Rajeev K Brahma
- Department of Chemistry, National University of Singapore Singapore 117543 Singapore
| | - Chao Fang
- State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine Shanghai 200025 China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore Singapore 117543 Singapore
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7
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Messner K, Vuong B, Tranmer GK. The Boron Advantage: The Evolution and Diversification of Boron’s Applications in Medicinal Chemistry. Pharmaceuticals (Basel) 2022; 15:ph15030264. [PMID: 35337063 PMCID: PMC8948683 DOI: 10.3390/ph15030264] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/10/2022] [Accepted: 02/13/2022] [Indexed: 12/13/2022] Open
Abstract
In this review, the history of boron’s early use in drugs, and the history of the use of boron functional groups in medicinal chemistry applications are discussed. This includes diazaborines, boronic acids, benzoxaboroles, boron clusters, and carboranes. Furthermore, critical developments from these functional groups are highlighted along with recent developments, which exemplify potential prospects. Lastly, the application of boron in the form of a prodrug, softdrug, and as a nanocarrier are discussed to showcase boron’s emergence into new and exciting fields. Overall, we emphasize the evolution of organoboron therapeutic agents as privileged structures in medicinal chemistry and outline the impact that boron has had on drug discovery and development.
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Affiliation(s)
- Katia Messner
- Rady Faculty of Health Science, College of Pharmacy, University of Manitoba, Winnipeg, MB R3E 0T5, Canada; (K.M.); (B.V.)
| | - Billy Vuong
- Rady Faculty of Health Science, College of Pharmacy, University of Manitoba, Winnipeg, MB R3E 0T5, Canada; (K.M.); (B.V.)
| | - Geoffrey K. Tranmer
- Rady Faculty of Health Science, College of Pharmacy, University of Manitoba, Winnipeg, MB R3E 0T5, Canada; (K.M.); (B.V.)
- Department of Chemistry, Faculty of Science, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
- Correspondence:
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8
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Alam S, Karim R, Khan A, Pal AK, Maruani A. Copper‐Catalyzed Preparation of Alkenylboronates and Arylboronates. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100817] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Safiul Alam
- Department of Chemistry Aliah University IIA/27, New Town Kolkata 700160 India
| | - Rejaul Karim
- Department of Chemistry Aliah University IIA/27, New Town Kolkata 700160 India
| | - Aminur Khan
- Department of Chemistry Aliah University IIA/27, New Town Kolkata 700160 India
| | - Amarta Kumar Pal
- Centre for Advance Studies in Chemistry North-Eastern Hill University Mawlai Campus Shillong 793022 India
| | - Antoine Maruani
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques – UMR 8601 Université de Paris UFR Biomédicale 45 rue des Saints Pères Paris 75006 France
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9
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Zhang S, Lv J, Gao P, Feng Q, Wang H, Cheng Y. A pH-Responsive Phase-Transition Polymer with High Serum Stability in Cytosolic Protein Delivery. NANO LETTERS 2021; 21:7855-7861. [PMID: 34478313 DOI: 10.1021/acs.nanolett.1c03031] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Polymer-mediated intracellular protein delivery systems are important for the development of protein-based biotechnologies and therapeutics. However, intracellular delivery of cargo proteins in the presence of serum remains challenging due to competitive binding of serum proteins with the polymers. Here, we reported a dendrimer engineered with a high density of 4-diethylaminophenyl groups on the surface to address this issue. The dendrimer showed a pH-responsive phase-transition behavior and could assemble with cargo proteins into stable nanoparticles in serum solutions. It efficiently delivered cargo proteins into living cells, and exhibited a pH-responsive disassembly behavior after cell internalization. As a result, various cargo proteins were delivered into the cytosol of living cells with maintained bioactivity. This study provided a convenient and efficient strategy to design polymers with high serum-tolerance in cytosolic protein delivery.
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Affiliation(s)
- Song Zhang
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
| | - Jia Lv
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
| | - Peng Gao
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
| | - Qiuyu Feng
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
| | - Hui Wang
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
| | - Yiyun Cheng
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, P.R. China
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, P.R. China
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10
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Wang Q, Yang Y, Liu D, Ji Y, Gao X, Yin J, Yao W. Cytosolic Protein Delivery for Intracellular Antigen Targeting Using Supercharged Polypeptide Delivery Platform. NANO LETTERS 2021; 21:6022-6030. [PMID: 34227381 DOI: 10.1021/acs.nanolett.1c01190] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Despite the well-recognized clinical success of therapeutic proteins, especially antibodies, their inability to penetrate the cell membrane restricts them to secretory extracellular or membrane-associated targets. Developing a direct cytosolic protein delivery system would offer unique opportunities for intracellular target-related therapeutic proteins. Here, we generated a supercharged polypeptide (SCP) with high cellular uptake efficiency, endosomal escape ability, and good biosafety and developed an SCP with an unnatural amino acid containing the phenylboronic acid (PBA) group, called PBA-SCP. PBA-SCP is capable of potently delivering proteins with various isoelectric points and molecular sizes into the cytosol of living cells without affecting their bioactivities. Importantly, cytosolically delivered antibodies remain functional and are capable of targeting, labeling, and manipulating diverse intracellular antigens. This study demonstrates an efficient and versatile intracellular protein delivery platform, especially for antibodies, and provides new possibilities for expanding protein-based therapeutics to intracellular "undruggable" targets.
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Affiliation(s)
- Qun Wang
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Yifan Yang
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Dingkang Liu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Yue Ji
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Xiangdong Gao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Jun Yin
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Wenbing Yao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
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11
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Rizwan M, Baker AEG, Shoichet MS. Designing Hydrogels for 3D Cell Culture Using Dynamic Covalent Crosslinking. Adv Healthc Mater 2021; 10:e2100234. [PMID: 33987970 DOI: 10.1002/adhm.202100234] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/22/2021] [Indexed: 12/17/2022]
Abstract
Designing simple biomaterials to replicate the biochemical and mechanical properties of tissues is an ongoing challenge in tissue engineering. For several decades, new biomaterials have been engineered using cytocompatible chemical reactions and spontaneous ligations via click chemistries to generate scaffolds and water swollen polymer networks, known as hydrogels, with tunable properties. However, most of these materials are static in nature, providing only macroscopic tunability of the scaffold mechanics, and do not reflect the dynamic environment of natural extracellular microenvironment. For more complex applications such as organoids or co-culture systems, there remain opportunities to investigate cells that locally remodel and change the physicochemical properties within the matrices. In this review, advanced biomaterials where dynamic covalent chemistry is used to produce stable 3D cell culture models and high-resolution constructs for both in vitro and in vivo applications, are discussed. The implications of dynamic covalent chemistry on viscoelastic properties of in vitro models are summarized, case studies in 3D cell culture are critically analyzed, and opportunities to further improve the performance of biomaterials for 3D tissue engineering are discussed.
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Affiliation(s)
- Muhammad Rizwan
- Department of Chemical Engineering and Applied Chemistry University of Toronto Toronto Ontario M5S 3E5 Canada
- Institute of Biomedical Engineering University of Toronto Toronto Ontario M5S 3G9 Canada
- Donnelly Centre for Cellular and Biomolecular Research University of Toronto Toronto Ontario M5S 3E1 Canada
| | - Alexander E. G. Baker
- Department of Chemical Engineering and Applied Chemistry University of Toronto Toronto Ontario M5S 3E5 Canada
- Institute of Biomedical Engineering University of Toronto Toronto Ontario M5S 3G9 Canada
- Donnelly Centre for Cellular and Biomolecular Research University of Toronto Toronto Ontario M5S 3E1 Canada
| | - Molly S. Shoichet
- Department of Chemical Engineering and Applied Chemistry University of Toronto Toronto Ontario M5S 3E5 Canada
- Institute of Biomedical Engineering University of Toronto Toronto Ontario M5S 3G9 Canada
- Donnelly Centre for Cellular and Biomolecular Research University of Toronto Toronto Ontario M5S 3E1 Canada
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12
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Tevyashova AN, Chudinov MV. Progress in the medicinal chemistry of organoboron compounds. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr4977] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The review aims to draw attention to the latest advances in the organoboron chemistry and therapeutic use of organoboron compounds. The synthetic strategies towards boron-containing compounds with proven in vitro and/or in vivo biological activities, including derivatives of boronic acids, benzoxaboroles, benzoxaborines and benzodiazaborines, are summarized. Approaches to the synthesis of hybrid structures containing an organoboron moiety as one of the pharmacophores are considered, and the effect of this modification on the pharmacological activity of the initial molecules is analyzed. On the basis of analysis of the published data, the most promising areas of research in the field of organoboron compounds are identified, including the latest methods of synthesis, modification and design of effective therapeutic agents.
The bibliography includes 246 references.
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13
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Kim H, Kang SJ, Rhee WJ. Phenylboronic Acid-conjugated Exosomes for Enhanced Anticancer Therapeutic Effect by Increasing Doxorubicin Loading Efficiency. BIOTECHNOL BIOPROC E 2021. [DOI: 10.1007/s12257-020-0107-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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14
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Maslah H, Skarbek C, Pethe S, Labruère R. Anticancer boron-containing prodrugs responsive to oxidative stress from the tumor microenvironment. Eur J Med Chem 2020; 207:112670. [DOI: 10.1016/j.ejmech.2020.112670] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/05/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023]
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15
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Shi J, Zhao D, Li X, Ding F, Tang X, Liu N, Huang H, Liu C. The conjugation of rhodamine B enables carrier-free mitochondrial delivery of functional proteins. Org Biomol Chem 2020; 18:6829-6839. [PMID: 32761021 DOI: 10.1039/d0ob01305f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The development of protein-based therapeutics faces many challenges, for example, carrier-dependence, safety concerns, endocytosis-dependence, and uncertain in vivo therapeutic outcomes. Small molecules are rarely used for intracellular organelle-targeting and disease tissue-specific carrier-independent delivery of therapeutic proteins. Here, we report that rhodamine B, after modification with proteins, is able to guide carrier-free delivery into mitochondria and tissue-dependent distributions of functional proteins through organic cation transporters (OCTs). The enrichment of the modified catalase in the cancer tissue efficiently suppresses xenograft human lung tumor in mice. This carrier-free delivery platform of proteins may emerge as a simple yet powerful approach for cancer treatment.
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Affiliation(s)
- Jiayuan Shi
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, School of Chemistry, Central China Normal University, Wuhan, 430079 China.
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16
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Martinent R, López-Andarias J, Moreau D, Cheng Y, Sakai N, Matile S. Automated high-content imaging for cellular uptake, from the Schmuck cation to the latest cyclic oligochalcogenides. Beilstein J Org Chem 2020; 16:2007-2016. [PMID: 32831957 PMCID: PMC7431755 DOI: 10.3762/bjoc.16.167] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022] Open
Abstract
Recent progress with chemistry tools to deliver into living cells has seen a shift of attention from counterion-mediated uptake of cell-penetrating peptides (CPPs) and their mimics, particularly the Schmuck cation, toward thiol-mediated uptake with cell-penetrating poly(disulfide)s (CPDs) and cyclic oligochalcogenides (COCs), here exemplified by asparagusic acid. A persistent challenge in this evolution is the simultaneous and quantitative detection of cytosolic delivery and cytotoxicity in a high-throughput format. Here, we show that the combination of the HaloTag-based chloroalkane penetration assay (CAPA) with automated high-content (HC) microscopy can satisfy this need. The automated imaging of thousands of cells per condition in multiwell plates allows us to obtain quantitative data on not only the fluorescence intensity but also on the localization in a very short time. Quantitative and statistically relevant results can be obtained from dose-response curves of the targeted delivery to selected cells and the cytotoxicity in the same experiment, even with poorly optimized cellular systems.
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Affiliation(s)
- Rémi Martinent
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Javier López-Andarias
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Dimitri Moreau
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Yangyang Cheng
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Naomi Sakai
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry, National Centre of Competence in Research (NCCR) Chemical Biology, University of Geneva, Geneva, Switzerland
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17
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Design and discovery of boronic acid drugs. Eur J Med Chem 2020; 195:112270. [DOI: 10.1016/j.ejmech.2020.112270] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/22/2020] [Accepted: 03/22/2020] [Indexed: 12/15/2022]
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18
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Harguindey A, Culver HR, Sinha J, Bowman CN, Cha JN. Efficient cellular uptake of click nucleic acid modified proteins. Chem Commun (Camb) 2020; 56:4820-4823. [PMID: 32236172 DOI: 10.1039/c9cc09401f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Efficient intracellular delivery of biomacromolecules such as proteins continues to remain a challenge despite its potential for medicine. In this work, we show that mScarlet, a non cytotoxic red fluorescent protein (RFP) conjugated to Click Nucleic Acid (CNA), a synthetic analog of DNA, undergo cell uptake significantly more than either native proteins or proteins conjugated with similar amounts of DNA in MDA-MB-468 cells. We further demonstrate that the process of cell uptake is metabolically driven and that scavenger receptors and caveolae mediated endocytosis play a significant role. Co-localization studies using anti-scavenger receptor antibodies suggest that scavenger receptors are implicated in the mechanism of uptake of CNA modified proteins.
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Affiliation(s)
- Albert Harguindey
- Department of Chemical and Biological University of Colorado, Boulder, USA.
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19
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Zhang Q, Che R, Lu W. Enhanced cellular uptake efficiency of DCM probes or SN38 conjugating with phenylboronic acids. Bioorg Med Chem 2020; 28:115377. [PMID: 32081629 DOI: 10.1016/j.bmc.2020.115377] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 02/02/2020] [Accepted: 02/07/2020] [Indexed: 11/17/2022]
Abstract
High-level of sialic acid (SA) expression on the surface of cancer cells is observed extremely common. Phenylboronic acids (PBAs) have a high affinity with SA. The cellular uptake efficiency could be enhanced by the strategy of introducing PBA fragments to the compounds. In this work, we synthesized five new probes with the Dicyanomethylene-4H-pyran (DCM) fluorophore, three of them conjugated with different phenylboronic acid fragments. By cellular uptake experiments, DLCB and DLAB showed enhanced cellular uptake abilities compared with DLN and DLO. These two effective phenylboronic acid fragments were then conjugated with SN-38 and the conjugates showed enhanced cellular uptake abilities by 3-fold or 7-fold compared with irinotecan. In summary, the strategy of introducing 4-carboxyphenylboronic acid and 3-amino-benzoxaborole groups shows great potential in drug delivery system. Moreover, the released linkers between boric acid and drugs deserve further studies.
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Affiliation(s)
- Qiumeng Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, PR China
| | - Rui Che
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, PR China
| | - Wei Lu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, PR China.
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20
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López-Andarias J, Saarbach J, Moreau D, Cheng Y, Derivery E, Laurent Q, González-Gaitán M, Winssinger N, Sakai N, Matile S. Cell-Penetrating Streptavidin: A General Tool for Bifunctional Delivery with Spatiotemporal Control, Mediated by Transport Systems Such as Adaptive Benzopolysulfane Networks. J Am Chem Soc 2020; 142:4784-4792. [PMID: 32109058 PMCID: PMC7307903 DOI: 10.1021/jacs.9b13621] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Indexed: 12/17/2022]
Abstract
In this report, cell-penetrating streptavidin (CPS) is introduced to exploit the full power of streptavidin-biotin biotechnology in cellular uptake. For this purpose, transporters, here cyclic oligochalcogenides (COCs), are covalently attached to lysines of wild-type streptavidin. This leaves all four biotin binding sites free for at least bifunctional delivery. To maximize the standards of the quantitative evaluation of cytosolic delivery, the recent chloroalkane penetration assay (CAPA) is coupled with automated high content (HC) imaging, a technique that combines the advantages of fluorescence microscopy and flow cytometry. According to the resulting HC-CAPA, cytosolic delivery of CPS equipped with four benzopolysulfanes was the best among all tested CPSs, also better than the much smaller TAT peptide, the original cell-penetrating peptide from HIV. HaloTag-GFP fusion proteins expressed on mitochondria were successfully targeted using CPS carrying two different biotinylated ligands, HaloTag substrates or anti-GFP nanobodies, interfaced with peptide nucleic acids, flipper force probes, or fluorescent substrates. The delivered substrates could be released from CPS into the cytosol through desthiobiotin-biotin exchange. These results validate CPS as a general tool which enables unrestricted use of streptavidin-biotin biotechnology in cellular uptake.
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Affiliation(s)
- Javier López-Andarias
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Jacques Saarbach
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Dimitri Moreau
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Yangyang Cheng
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Emmanuel Derivery
- MRC
Laboratory of Molecular Biology, Cambridge CB2 0QH, United Kingdom
| | - Quentin Laurent
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Marcos González-Gaitán
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Nicolas Winssinger
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Naomi Sakai
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Stefan Matile
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
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21
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Miller SE, Schneider JP. The effect of turn residues on the folding and cell-penetrating activity of β-hairpin peptides and applications toward protein delivery. Pept Sci (Hoboken) 2020; 112:e24125. [PMID: 34504991 PMCID: PMC8425381 DOI: 10.1002/pep2.24125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 05/25/2019] [Indexed: 11/11/2022]
Abstract
Cell-penetrating peptides (CPPs) are useful tools for the delivery of a wide variety of cargo into cells. Our lab has developed two classes of CPPs based on β-hairpin sequences, one that folds at the surface of cell membranes and the other that is intrinsically disordered. Although these peptides can effectively deliver different types of cargo, their use in protein delivery has been hindered due to the presence of non-natural D-proline within the central turn region of both sequences, which prohibits functionalizing proteins with the CPPs via standard expression protocols. In this work, we describe new CPPs that replace the non-natural turn region with natural turn motifs amenable to protein expression. We first investigate how these changes within the turn affect various CPP-related properties in the absence of protein cargo, and then generate protein fusions for intracellular delivery.
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Affiliation(s)
- Stephen E Miller
- Chemical Biology Laboratory, National Cancer Institute, National Institutes of Health, Frederick, Maryland
| | - Joel P Schneider
- Chemical Biology Laboratory, National Cancer Institute, National Institutes of Health, Frederick, Maryland
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22
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Stimuli-responsive self-assembled dendrimers for oral protein delivery. J Control Release 2019; 315:206-213. [DOI: 10.1016/j.jconrel.2019.10.049] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/24/2019] [Accepted: 10/26/2019] [Indexed: 12/17/2022]
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23
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Zhang R, Qin X, Kong F, Chen P, Pan G. Improving cellular uptake of therapeutic entities through interaction with components of cell membrane. Drug Deliv 2019; 26:328-342. [PMID: 30905189 PMCID: PMC6442206 DOI: 10.1080/10717544.2019.1582730] [Citation(s) in RCA: 165] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/08/2019] [Accepted: 02/11/2019] [Indexed: 12/24/2022] Open
Abstract
Efficient cellular delivery of biologically active molecules is one of the key factors that affect the discovery and development of novel drugs. The plasma membrane is the first barrier that prevents direct translocation of chemic entities, and thus obstructs their efficient intracellular delivery. Generally, hydrophilic small molecule drugs are poor permeability that reduce bioavailability and thus limit the clinic application. The cellular uptake of macromolecules and drug carriers is very inefficient without external assistance. Therefore, it is desirable to develop potent delivery systems for achieving effective intracellular delivery of chemic entities. Apart from of the types of delivery strategies, the composition of the cell membrane is critical for delivery efficiency due to the fact that cellular uptake is affected by the interaction between the chemical entity and the plasma membrane. In this review, we aimed to develop a profound understanding of the interactions between delivery systems and components of the plasma membrane. For the purpose, we attempt to present a broad overview of what delivery systems can be used to enhance the intracellular delivery of poorly permeable chemic entities, and how various delivery strategies are applied according to the components of plasma membrane.
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Affiliation(s)
- Renshuai Zhang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing, P.R. China
| | - Xiaofei Qin
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing, P.R. China
| | - Fandong Kong
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology Chinese Academy of Tropical Agriculture Sciences, Haikou, P.R. China
| | - Pengwei Chen
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology Chinese Academy of Tropical Agriculture Sciences, Haikou, P.R. China
| | - Guojun Pan
- School of Life Sciences, Taishan Medical University, Tai’an, P.R. China
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24
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Tag and release: strategies for the intracellular cleavage of protein conjugates. Curr Opin Chem Biol 2019; 52:39-46. [DOI: 10.1016/j.cbpa.2019.04.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/15/2019] [Accepted: 04/18/2019] [Indexed: 01/12/2023]
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25
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Cheng Y, Zong L, López‐Andarias J, Bartolami E, Okamoto Y, Ward TR, Sakai N, Matile S. Cell-Penetrating Dynamic-Covalent Benzopolysulfane Networks. Angew Chem Int Ed Engl 2019; 58:9522-9526. [PMID: 31168906 PMCID: PMC6618005 DOI: 10.1002/anie.201905003] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Indexed: 12/13/2022]
Abstract
Cyclic oligochalcogenides (COCs) are emerging as promising systems to penetrate cells. Clearly better than and different to the reported diselenolanes and epidithiodiketopiperazines, we introduce the benzopolysulfanes (BPS), which show efficient delivery, insensitivity to inhibitors of endocytosis, and compatibility with substrates as large as proteins. This high activity coincides with high reactivity, selectively toward thiols, exceeding exchange rates of disulfides under tension. The result is a dynamic-covalent network of extreme sulfur species, including cyclic oligomers, from dimers to heptamers, with up to nineteen sulfurs in the ring. Selection from this unfolding adaptive network then yields the reactivities and selectivities needed to access new uptake pathways. Contrary to other COCs, BPS show high retention on thiol affinity columns. The identification of new modes of cell penetration is important because they promise new solutions to challenges in delivery and beyond.
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Affiliation(s)
- Yangyang Cheng
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
| | - Lili Zong
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
- Current address: School of Pharmaceutical SciencesXiamen UniversityXiamen361102China
| | | | - Eline Bartolami
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
- Current address: SyMMES, UMR 5819CEA38054GrenobleFrance
| | | | - Thomas R. Ward
- Department of ChemistryUniversity of BaselBaselSwitzerland
| | - Naomi Sakai
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
| | - Stefan Matile
- Department of Organic ChemistryUniversity of GenevaGenevaSwitzerland
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26
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Cheng Y, Zong L, López‐Andarias J, Bartolami E, Okamoto Y, Ward TR, Sakai N, Matile S. Cell‐Penetrating Dynamic‐Covalent Benzopolysulfane Networks. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yangyang Cheng
- Department of Organic ChemistryUniversity of Geneva Geneva Switzerland
| | - Lili Zong
- Department of Organic ChemistryUniversity of Geneva Geneva Switzerland
- Current address: School of Pharmaceutical SciencesXiamen University Xiamen 361102 China
| | | | - Eline Bartolami
- Department of Organic ChemistryUniversity of Geneva Geneva Switzerland
- Current address: SyMMES, UMR 5819CEA 38054 Grenoble France
| | | | - Thomas R. Ward
- Department of ChemistryUniversity of Basel Basel Switzerland
| | - Naomi Sakai
- Department of Organic ChemistryUniversity of Geneva Geneva Switzerland
| | - Stefan Matile
- Department of Organic ChemistryUniversity of Geneva Geneva Switzerland
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27
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Abstract
Delivery remains a major obstacle restricting the potential action of small molecular drugs as well as novel biologics which cannot readily enter cells without the help of a vector. A successful active delivery process involves three steps: (a) tagging the drug with a vector, (b) effective trafficking of this [drug-vector] conjugate through biological barriers, and finally (c) controlled drug release. While covalent bond formation and/or supramolecular association is involved in the making of the [drug-vector] conjugate, the final step requires precisely a controlled dissociation in order to trigger drug release. Therefore, in pursuit of smart, effective, and nontoxic delivery systems, it has become widely recognized that control over dynamic self-assembly could unleash the efficacy of artificial vectors. In this Account, I discuss our endeavors, and those of colleagues, in the recent implementation of Dynamic Covalent Chemistry (DCvC) in delivery applications. DCvC exploits reversible covalent reactions to generate covalent systems that can self-fabricate, adapt, respond, and fall apart in a controlled fashion. A privileged set of reversible covalent reactions has emerged in the community working on delivery applications and is based on condensation reactions (imine, acylhydrazone, oxime), and disulfide and boronate ester formations. The latest developments making this chemistry particularly attractive for such a DCvC approach are discussed. The rational justifying the potential of DCvC in delivery is based on the principle that using such reversible covalent reactions afford transient [drug-vector] conjugates which form spontaneously and chemoselectively, then adapt and self-correct their structure during self-assembly and trafficking thanks to the dynamic nature of the reversible covalent bonds, and finally respond to physicochemical stimuli such as pH and redox changes, thereby enabling controlled dissociation and concomitant drug release. For these reasons, DCvC has recently emerged as a leverage tool with growing prospects for advancing toward smarter delivery systems. The implementation of DCvC can follow three approaches that are discussed herein: (1) dynamic covalent bioconjugates, involving the transient covalent conjugation with a vector, (2) dynamic covalent vectors, involving the controlled dynamic and adaptive assembly and disassembly of vectors that complex drugs through supramolecular association, and (3) dynamic covalent targeting, involving the transient chemoselective formation of covalent bonds with the constituents of cell membranes. While DCvC has already attracted interest in material sciences, the recent results described in this Account showcase the vast potential of DCvC in biological sciences, and in particular in delivery applications where self-fabricated, adaptive, and responsive devices are of utmost importance.
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Affiliation(s)
- Sébastien Ulrich
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
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28
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António JPM, Russo R, Carvalho CP, Cal PMSD, Gois PMP. Boronic acids as building blocks for the construction of therapeutically useful bioconjugates. Chem Soc Rev 2019; 48:3513-3536. [DOI: 10.1039/c9cs00184k] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review summarizes boronic acid's contribution to the development of bioconjugates with a particular focus on the molecular mechanisms underlying its role in the construction and function of the bioconjugate, namely as a bioconjugation warhead, as a payload and as part of a bioconjugate linker.
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Affiliation(s)
- João P. M. António
- Research Institute for Medicines (iMed.ULisboa)
- Faculty of Pharmacy
- Universidade de Lisboa
- Lisbon
- Portugal
| | - Roberto Russo
- Research Institute for Medicines (iMed.ULisboa)
- Faculty of Pharmacy
- Universidade de Lisboa
- Lisbon
- Portugal
| | - Cátia Parente Carvalho
- Research Institute for Medicines (iMed.ULisboa)
- Faculty of Pharmacy
- Universidade de Lisboa
- Lisbon
- Portugal
| | - Pedro M. S. D. Cal
- Instituto de Medicina Molecular
- Faculty of Medicine
- Universidade de Lisboa
- Lisbon
- Portugal
| | - Pedro M. P. Gois
- Research Institute for Medicines (iMed.ULisboa)
- Faculty of Pharmacy
- Universidade de Lisboa
- Lisbon
- Portugal
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29
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Wissner R, Steinauer A, Knox SL, Thompson AD, Schepartz A. Fluorescence Correlation Spectroscopy Reveals Efficient Cytosolic Delivery of Protein Cargo by Cell-Permeant Miniature Proteins. ACS CENTRAL SCIENCE 2018; 4:1379-1393. [PMID: 30410976 PMCID: PMC6202653 DOI: 10.1021/acscentsci.8b00446] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Indexed: 05/21/2023]
Abstract
New methods for delivering proteins into the cytosol of mammalian cells are being reported at a rapid pace. Differentiating between these methods in a quantitative manner is difficult, however, as most assays for evaluating cytosolic protein delivery are qualitative and indirect and thus often misleading. Here we make use of fluorescence correlation spectroscopy (FCS) to determine with precision and accuracy the relative efficiencies with which seven different previously reported "cell-penetrating peptides" (CPPs) transport a model protein cargo-the self-labeling enzyme SNAP-tag-beyond endosomal membranes and into the cytosol. Using FCS, we discovered that the miniature protein ZF5.3 is an exceptional vehicle for delivering SNAP-tag to the cytosol. When delivered by ZF5.3, SNAP-tag can achieve a cytosolic concentration as high as 250 nM, generally at least 2-fold and as much as 6-fold higher than any other CPP evaluated. Additionally, we show that ZF5.3 can be fused to a second enzyme cargo-the engineered peroxidase APEX2-and reliably delivers the active enzyme to the cell interior. As FCS allows one to realistically assess the relative merits of protein transduction domains, we anticipate that it will greatly accelerate the identification, evaluation, and optimization of strategies to deliver large, intact proteins to intracellular locales.
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Affiliation(s)
- Rebecca
F. Wissner
- Department
of Chemistry, and Department of Molecular, Cellular, and Developmental
Biology, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Angela Steinauer
- Department
of Chemistry, and Department of Molecular, Cellular, and Developmental
Biology, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Susan L. Knox
- Department
of Chemistry, and Department of Molecular, Cellular, and Developmental
Biology, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Alexander D. Thompson
- Department
of Chemistry, and Department of Molecular, Cellular, and Developmental
Biology, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Alanna Schepartz
- Department
of Chemistry, and Department of Molecular, Cellular, and Developmental
Biology, Yale University, New Haven, Connecticut 06520-8107, United States
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30
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Akgun B, Hall DG. Boronic Acids as Bioorthogonal Probes for Site‐Selective Labeling of Proteins. Angew Chem Int Ed Engl 2018; 57:13028-13044. [DOI: 10.1002/anie.201712611] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 04/23/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Burcin Akgun
- Department of Chemistry—CCIS 4–010University of Alberta Edmonton Alberta T6G 2G2 Canada
| | - Dennis G. Hall
- Department of Chemistry—CCIS 4–010University of Alberta Edmonton Alberta T6G 2G2 Canada
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31
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Akgun B, Hall DG. Boronsäuren als bioorthogonale Sonden für zentrenselektives Protein‐Labeling. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712611] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Burcin Akgun
- Department of Chemistry – CCIS 4-010University of Alberta Edmonton Alberta T6G 2G2 Kanada
| | - Dennis G. Hall
- Department of Chemistry – CCIS 4-010University of Alberta Edmonton Alberta T6G 2G2 Kanada
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32
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Juanes M, Lostalé-Seijo I, Granja JR, Montenegro J. Supramolecular Recognition and Selective Protein Uptake by Peptide Hybrids. Chemistry 2018; 24:10689-10698. [DOI: 10.1002/chem.201800706] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 04/19/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Marisa Juanes
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS); Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Irene Lostalé-Seijo
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS); Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Juan R. Granja
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS); Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Javier Montenegro
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS); Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
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33
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Okoh OA, Klahn P. Trimethyl Lock: A Multifunctional Molecular Tool for Drug Delivery, Cellular Imaging, and Stimuli-Responsive Materials. Chembiochem 2018; 19:1668-1694. [PMID: 29888433 DOI: 10.1002/cbic.201800269] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Indexed: 12/13/2022]
Abstract
Trimethyl lock (TML) systems are based on ortho-hydroxydihydrocinnamic acid derivatives displaying increased lactonization reactivity owing to unfavorable steric interactions of three pendant methyl groups, and this leads to the formation of hydrocoumarins. Protection of the phenolic hydroxy function or masking of the reactivity as benzoquinone derivatives prevents lactonization and provides a trigger for controlled release of molecules attached to the carboxylic acid function through amides, esters, or thioesters. Their easy synthesis and possible chemical adaption to several different triggers make TML a highly versatile module for the development of drug-delivery systems, prodrug approaches, cell-imaging tools, molecular tools for supramolecular chemistry, as well as smart stimuliresponsive materials.
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Affiliation(s)
- Okoh Adeyi Okoh
- Institute for Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106, Braunschweig, Germany
| | - Philipp Klahn
- Institute for Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106, Braunschweig, Germany
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34
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Sergeeva TY, Mukhitova RK, Nizameev IR, Kadirov MK, Klypina PD, Ziganshina AY, Konovalov AI. Closed polymer containers based on phenylboronic esters of resorcinarenes. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:1594-1601. [PMID: 29977693 PMCID: PMC6009270 DOI: 10.3762/bjnano.9.151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/09/2018] [Indexed: 06/08/2023]
Abstract
Novel polymer nanospheres (p(SRA-B)) were prepared by cross-linking a sulfonated resorcinarene (SRA) with phenylboronic acid. p(SRA-B) shows good stability in water and can be used as a nanocontainer for the pH- and glucose-controlled substrate release. Fluorescent dyes (fluorescein, pyrene and 1,3,6,8-pyrenetetrasulfonic acid tetrasodium salt) were successfully loaded into p(SRA-B). The release of dye is achieved by lowering the pH value to 3 or by adding glucose.
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Affiliation(s)
- Tatiana Yu Sergeeva
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
| | - Rezeda K Mukhitova
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
| | - Irek R Nizameev
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
- Kazan National Research Technical University, K. Marx str. 10, Kazan 420111, Russia
| | - Marsil K Kadirov
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
| | - Polina D Klypina
- A. M. Butlerov Institute of Chemistry, Kazan Federal University, Kremlevskaya str. 18, Kazan 420008, Russia
| | - Albina Y Ziganshina
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
- A. M. Butlerov Institute of Chemistry, Kazan Federal University, Kremlevskaya str. 18, Kazan 420008, Russia
| | - Alexander I Konovalov
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russia
- A. M. Butlerov Institute of Chemistry, Kazan Federal University, Kremlevskaya str. 18, Kazan 420008, Russia
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35
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Strakova K, Soleimanpour S, Diez-Castellnou M, Sakai N, Matile S. Ganglioside-Selective Mechanosensitive Fluorescent Membrane Probes. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201800019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Karolina Strakova
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Saeideh Soleimanpour
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Marta Diez-Castellnou
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Stefan Matile
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
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36
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Huang Y, Gao Y, Chen T, Xu Y, Lu W, Yu J, Xiao Y, Liu S. Reduction-Triggered Release of CPT from Acid-Degradable Polymeric Prodrug Micelles Bearing Boronate Ester Bonds with Enhanced Cellular Uptake. ACS Biomater Sci Eng 2017; 3:3364-3375. [DOI: 10.1021/acsbiomaterials.7b00618] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yushu Huang
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Ya Gao
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Tiandong Chen
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Yanyun Xu
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Wei Lu
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Jiahui Yu
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, PR China
| | - Yi Xiao
- Department
of Radiology and Nuclear Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, PR China
| | - Shiyuan Liu
- Department
of Radiology and Nuclear Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, PR China
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37
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Liew SK, Holownia A, Diaz DB, Cistrone PA, Dawson PE, Yudin AK. Borylated oximes: versatile building blocks for organic synthesis. Chem Commun (Camb) 2017; 53:11237-11240. [PMID: 28959806 PMCID: PMC6097236 DOI: 10.1039/c7cc06579e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we demonstrate the synthesis and functionalization of α-boryl aldoximes from α-boryl aldehydes, with no sign of C-to-N boryl migration. Selective modification of the oxime functionality enables access to a wide range of borylated compounds, such as borylated heterocycles and N-acetoxyamides. By reducing the α-boryl aldoximes, MIDA deprotection yields the corresponding β-boryl hydroxylamines. As part of this study, we also demonstrate the utility of the boryl aldoxime motif in peptide conjugation.
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Affiliation(s)
- Sean K Liew
- Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6, Canada.
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38
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Wang X, Li Y, Li Q, Neufeld CI, Pouli D, Sun S, Yang L, Deng P, Wang M, Georgakoudi I, Tang S, Xu Q. Hyaluronic acid modification of RNase A and its intracellular delivery using lipid-like nanoparticles. J Control Release 2017; 263:39-45. [DOI: 10.1016/j.jconrel.2017.01.037] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 01/19/2017] [Accepted: 01/27/2017] [Indexed: 11/28/2022]
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39
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Smith TP, Windsor IW, Forest KT, Raines RT. Stilbene Boronic Acids Form a Covalent Bond with Human Transthyretin and Inhibit Its Aggregation. J Med Chem 2017; 60:7820-7834. [PMID: 28920684 DOI: 10.1021/acs.jmedchem.7b00952] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Transthyretin (TTR) is a homotetrameric protein. Its dissociation into monomers leads to the formation of fibrils that underlie human amyloidogenic diseases. The binding of small molecules to the thyroxin-binding sites in TTR stabilizes the homotetramer and attenuates TTR amyloidosis. Herein, we report on boronic acid-substituted stilbenes that limit TTR amyloidosis in vitro. Assays of affinity for TTR and inhibition of its tendency to form fibrils were coupled with X-ray crystallographic analysis of nine TTR·ligand complexes. The ensuing structure-function data led to a symmetrical diboronic acid that forms a boronic ester reversibly with serine 117. This diboronic acid inhibits fibril formation by both wild-type TTR and a common disease-related variant, V30M TTR, as effectively as does tafamidis, a small-molecule drug used to treat TTR-related amyloidosis in the clinic. These findings establish a new modality for covalent inhibition of fibril formation and illuminate a path for future optimization.
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Affiliation(s)
- Thomas P Smith
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
| | - Ian W Windsor
- Department of Biochemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
| | - Katrina T Forest
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States.,Department of Bacteriology, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
| | - Ronald T Raines
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States.,Department of Biochemistry, University of Wisconsin-Madison , Madison, Wisconsin 53706, United States
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40
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Bruce VJ, McNaughton BR. Inside Job: Methods for Delivering Proteins to the Interior of Mammalian Cells. Cell Chem Biol 2017; 24:924-934. [DOI: 10.1016/j.chembiol.2017.06.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 06/19/2017] [Accepted: 06/27/2017] [Indexed: 10/19/2022]
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41
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Rao NZ, Larkin JD, Bock CW. Monosubstituted Phenylboronic Acids, R-B(OH) 2 (R = C 6H 5, C 6H 4CH 3, C 6H 4NH 2, C 6H 4OH, and C 6H 4F): A Computational Investigation. Struct Chem 2017; 28:945-955. [PMID: 29375238 PMCID: PMC5784759 DOI: 10.1007/s11224-016-0897-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 12/04/2016] [Indexed: 01/05/2023]
Abstract
Phenylboronic acids (PBAs) are an important class of compounds with diverse applications in synthetic, biological, medicinal, and materials chemistry. In this investigation we report structural and thermochemical parameters for several monosubstituted ortho, meta, and para PBAs, R-B(OH)2 (R = C6H5, C6H4CH3, C6H4NH2, C6H4OH, and C6H4F). Equilibrium geometries of all the PBAs discussed in this article were obtained using second-order Møller-Plesset perturbation theory (MP2) with the Dunning-Woon aug-cc-pVDZ basis set; heats of formation (HOF) were calculated at the Gaussian-3 (G3) level of theory. The endo-exo conformers of all the positional isomers of these PBAs were lowest in energy. Using HOF for the monosubstituted PBAs calculated at the G3 level of theory, in conjunction with the experimental HOF for benzene, toluene, aniline, phenol, and fluorobenzene, the values of [Formula: see text] for the transfer processes C6H6 + C6H4X-B(OH)2 → C6H5X + C6H5-B(OH)2 (X = CH3, NH2, OH, and F) are found to be in good agreement with values of [Formula: see text] calculated at the MP2(FC)/aug-cc-pVTZ//MP2(FC)/aug-cc-pVTZ computational level; the bonding in the reactants and products for these transfer reactions are well-matched and thermochemical calculations at this level are expected to be very accurate, providing checks on the G3 HOF calculations.
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Affiliation(s)
- Niny Z. Rao
- Department of Chemistry and Biochemistry, College of Science, Health and the Liberal Arts, Philadelphia University, 4201 Henry Avenue, Philadelphia, PA 19144
| | | | - Charles W. Bock
- Department of Chemistry and Biochemistry, College of Science, Health and the Liberal Arts, Philadelphia University, 4201 Henry Avenue, Philadelphia, PA 19144
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42
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Thareja S, Zhu M, Ji X, Wang B. Boron-based small molecules in disease detection and treatment (2013–2016). HETEROCYCL COMMUN 2017. [DOI: 10.1515/hc-2017-0086] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
AbstractRecent years have seen tremendous development in the design and synthesis of boron-based compounds as potential therapeutics and for detection applications. The present review highlights the most recent development of these boron-based small molecules, covering clinically used ixazomib, tavaborole, crisaborole and other molecules from 2013 to 2016.
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Affiliation(s)
- Suresh Thareja
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Mengyuan Zhu
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Xingyue Ji
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
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43
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Pizzoccaro MA, Nikel O, Sene S, Philippe C, Mutin PH, Bégu S, Vashishth D, Laurencin D. Adsorption of benzoxaboroles on hydroxyapatite phases. Acta Biomater 2016; 41:342-50. [PMID: 27282646 PMCID: PMC4969180 DOI: 10.1016/j.actbio.2016.06.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 05/29/2016] [Accepted: 06/04/2016] [Indexed: 12/20/2022]
Abstract
UNLABELLED Benzoxaboroles are a family of molecules that are finding an increasing number of applications in the biomedical field, particularly as a "privileged scaffold" for the design of new drugs. Here, for the first time, we determine the interaction of these molecules with hydroxyapatites, in view of establishing (i) how benzoxaborole drugs may adsorb onto biological apatites, as this could impact on their bioavailability, and (ii) how apatite-based materials can be used for their formulation. Studies on the adsorption of the benzoxaborole motif (C7H7BO2, referred to as BBzx) on two different apatite phases were thus performed, using a ceramic hydroxyapatite (HAceram) and a nanocrystalline hydroxyapatite (HAnano), the latter having a structure and composition more similar to the one found in bone mineral. In both cases, the grafting kinetics and mechanism were studied, and demonstration of the surface attachment of the benzoxaborole under the form of a tetrahedral benzoxaborolate anion was established using (11)B solid state NMR (including (11)B-(31)P correlation experiments). Irrespective of the apatite used, the grafting density of the benzoxaborolates was found to be low, and more generally, these anions demonstrated a poor affinity for apatite surfaces, notably in comparison with other anions commonly found in biological media, such as carboxylates and (organo)phosphates. The study was then extended to the adsorption of a molecule with antimicrobial and antifungal properties (3-piperazine-bis(benzoxaborole)), showing, on a more general perspective, how hydroxyapatites can be used for the development of novel formulations of benzoxaborole drugs. STATEMENT OF SIGNIFICANCE Benzoxaboroles are an emerging family of molecules which have attracted much attention in the biomedical field, notably for the design of new drugs. However, the way in which these molecules, once introduced in the body, may interact with bone mineral is still unknown, and the possibility of associating benzoxaboroles to calcium phosphates for drug-formulation purposes has not been looked into. Here, we describe the first study of the adsorption of benzoxaboroles on hydroxyapatite, which is the main mineral phase present in bone. We describe the mode of grafting of benzoxaboroles on this material, and show that they only weakly bind to its surface, especially in comparison to other ionic species commonly found in physiological media, such as phosphates and carboxylates. This demonstrates that administered benzoxaborole drugs are unlikely to remain adsorbed on hydroxyapatite surfaces for long periods of time, which means that their biodistribution will not be affected by such phenomena. Moreover, this work shows that the formulation of benzoxaborole drugs by association to calcium phosphates like hydroxyapatite will lead to a rapid release of the molecules.
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Affiliation(s)
- Marie-Alix Pizzoccaro
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France
| | - Ondrej Nikel
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France; Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, United States
| | - Saad Sene
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France
| | - Coralie Philippe
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France
| | - P Hubert Mutin
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France
| | - Sylvie Bégu
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France
| | - Deepak Vashishth
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, United States
| | - Danielle Laurencin
- Institut Charles Gerhardt de Montpellier, UMR 5253, CNRS-UM-ENSCM, Place E. Bataillon, CC1701, 34095 Montpellier cedex 05, France.
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44
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Gunnoo SB, Madder A. Bioconjugation – using selective chemistry to enhance the properties of proteins and peptides as therapeutics and carriers. Org Biomol Chem 2016; 14:8002-13. [DOI: 10.1039/c6ob00808a] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Both peptide and protein therapeutics are becoming increasingly important for treating a wide range of diseases. Functionalisation of theseviasite-selective chemical modification leads to enhancement of their therapeutic properties.
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Affiliation(s)
- Smita B. Gunnoo
- Organic and Biomimetic Chemistry Research Group
- Department of Organic and Macromolecular Chemistry
- Ghent University
- Ghent
- Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group
- Department of Organic and Macromolecular Chemistry
- Ghent University
- Ghent
- Belgium
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45
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Zhai W, Chapin BM, Yoshizawa A, Wang HC, Hodge SA, James TD, Anslyn EV, Fossey JS. “Click-fluors”: triazole-linked saccharide sensors. Org Chem Front 2016. [DOI: 10.1039/c6qo00171h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of boronic acid-containing saccharide receptors was synthesised via copper catalysed azide–alkyne cycloaddition (CuAAC) reactions.
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Affiliation(s)
- Wenlei Zhai
- School of Chemistry
- University of Birmingham
- Birmingham
- UK
| | - Brette M. Chapin
- School of Chemistry
- University of Birmingham
- Birmingham
- UK
- Department of Chemistry and Biochemistry
| | | | - Hui-Chen Wang
- School of Chemistry
- University of Birmingham
- Birmingham
- UK
| | | | | | - Eric V. Anslyn
- Department of Chemistry and Biochemistry
- The University of Texas at Austin
- Austin
- USA
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