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Sathyan A, Archontakis E, Spiering AJH, Albertazzi L, Palmans ARA. Effect of Particle Heterogeneity in Catalytic Copper-Containing Single-Chain Polymeric Nanoparticles Revealed by Single-Particle Kinetics. Molecules 2024; 29:1850. [PMID: 38675670 PMCID: PMC11054931 DOI: 10.3390/molecules29081850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Single-chain polymeric nanoparticles (SCPNs) have been extensively explored as a synthetic alternative to enzymes for catalytic applications. However, the inherent structural heterogeneity of SCPNs, arising from the dispersity of the polymer backbone and stochastic incorporation of different monomers as well as catalytic moieties, is expected to lead to variations in catalytic activity between individual particles. To understand the effect of structural heterogeneities on the catalytic performance of SCPNs, techniques are required that permit researchers to directly monitor SCPN activity at the single-polymer level. In this study, we introduce the use of single-molecule fluorescence microscopy to study the kinetics of Cu(I)-containing SCPNs towards depropargylation reactions. We developed Cu(I)-containing SCPNs that exhibit fast kinetics towards depropargylation and Cu-catalyzed azide-alkyne click reactions, making them suitable for single-particle kinetic studies. SCPNs were then immobilized on the surface of glass coverslips and the catalytic reactions were monitored at a single-particle level using total internal reflection fluorescence (TIRF) microscopy. Our studies revealed the interparticle turnover dispersity for Cu(I)-catalyzed depropargylations. In the future, our approach can be extended to different polymer designs which can give insights into the intrinsic heterogeneity of SCPN catalysis and can further aid in the rational development of SCPN-based catalysts.
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Affiliation(s)
- Anjana Sathyan
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (A.S.); (A.J.H.S.)
| | - Emmanouil Archontakis
- Department of Biomedical Engineering, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (E.A.); (L.A.)
| | - A. J. H. Spiering
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (A.S.); (A.J.H.S.)
| | - Lorenzo Albertazzi
- Department of Biomedical Engineering, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (E.A.); (L.A.)
| | - Anja R. A. Palmans
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (A.S.); (A.J.H.S.)
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Degirmenci A, Sanyal R, Sanyal A. Metal-Free Click-Chemistry: A Powerful Tool for Fabricating Hydrogels for Biomedical Applications. Bioconjug Chem 2024; 35:433-452. [PMID: 38516745 PMCID: PMC11036366 DOI: 10.1021/acs.bioconjchem.4c00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 03/23/2024]
Abstract
Increasing interest in the utilization of hydrogels in various areas of biomedical sciences ranging from biosensing and drug delivery to tissue engineering has necessitated the synthesis of these materials using efficient and benign chemical transformations. In this regard, the advent of "click" chemistry revolutionized the design of hydrogels and a range of efficient reactions was utilized to obtain hydrogels with increased control over their physicochemical properties. The ability to apply the "click" chemistry paradigm to both synthetic and natural polymers as hydrogel precursors further expanded the utility of this chemistry in network formation. In particular, the ability to integrate clickable handles at predetermined locations in polymeric components enables the formation of well-defined networks. Although, in the early years of "click" chemistry, the copper-catalyzed azide-alkyne cycloaddition was widely employed, recent years have focused on the use of metal-free "click" transformations, since residual metal impurities may interfere with or compromise the biological function of such materials. Furthermore, many of the non-metal-catalyzed "click" transformations enable the fabrication of injectable hydrogels, as well as the fabrication of microstructured gels using spatial and temporal control. This review article summarizes the recent advances in the fabrication of hydrogels using various metal-free "click" reactions and highlights the applications of thus obtained materials. One could envision that the use of these versatile metal-free "click" reactions would continue to revolutionize the design of functional hydrogels geared to address unmet needs in biomedical sciences.
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Affiliation(s)
- Aysun Degirmenci
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
| | - Rana Sanyal
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
- Center
for Life Sciences and Technologies, Bogazici
University, Bebek, Istanbul 34342, Türkiye
| | - Amitav Sanyal
- Department
of Chemistry, Bogazici University, Bebek, Istanbul 34342, Türkiye
- Center
for Life Sciences and Technologies, Bogazici
University, Bebek, Istanbul 34342, Türkiye
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Si R, Hai P, Zheng Y, Wang J, Zhang Q, Li Y, Pan X, Zhang J. Discovery of intracellular self-assembly protein degraders driven by tumor-specific activatable bioorthogonal reaction. Eur J Med Chem 2023; 257:115497. [PMID: 37216813 DOI: 10.1016/j.ejmech.2023.115497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 05/24/2023]
Abstract
Proteolysis Targeting Chimera (PROTAC) is a type of bifunctional chimeric molecule that can directly degrade the binding proteins through the ubiquitin-proteasome pathway. PROTAC has shown great potential in overcoming drug resistance and targeting undruggable targets. However, there are still many shortcomings that need to be solved urgently, including worse membrane permeability and bioavailability induced by their large molecular weight. Herein, we used intracellular self-assembly strategy to construct tumor-specific PROTACs via small molecular precursors. We developed two types of precursors incorporated with azide and alkyne as biorthogonal groups, respectively. These small precursors with improved membrane permeability could react facilely with each other under the catalysis of copper ions with high concentration in tumor tissues, affording novel PROTACs. These novel intracellular self-assembled PROTACs could effectly induce degradation of VEGFR-2 and EphB4 in U87 cells. Meanwhile, they could also promote apoptosis and block cells in S phase. These tumor-specific intracellular self-assembled PROTACs exhibited high selectivity due to the high concentration of copper content in tumor tissue. Moreover, this new strategy could reduce the molecular weight of PROTACs, as well as improve the membrane permeability. These results will greatly expand the applications of bioorthogonal reaction in discovery of novel PROTACs.
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Affiliation(s)
- Ru Si
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Ping Hai
- NMPA Key Laboratory for Quality Control of Traditional Chinese and Tibetan Medicine, Qinghai Provincial Drug Inspection and Testing Institute, Xining, 810016, China
| | - Yongbiao Zheng
- NMPA Key Laboratory for Quality Control of Traditional Chinese and Tibetan Medicine, Qinghai Provincial Drug Inspection and Testing Institute, Xining, 810016, China
| | - Jin Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qingqing Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yanchen Li
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xiaoyan Pan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jie Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
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Sathyan A, Deng L, Loman T, Palmans AR. Bio-orthogonal catalysis in complex media: Consequences of using polymeric scaffold materials on catalyst stability and activity. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.114116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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Jeong J, Szczepaniak G, Yerneni SS, Lorandi F, Jafari H, Lathwal S, Das SR, Matyjaszewski K. Biocompatible photoinduced CuAAC using sodium pyruvate. Chem Commun (Camb) 2021; 57:12844-12847. [PMID: 34787596 DOI: 10.1039/d1cc05566f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Sodium pyruvate, a natural intermediate produced during cellular metabolism, is commonly used in buffer solutions and media for biochemical applications. Here we show the use of sodium pyruvate (SP) as a reducing agent in a biocompatible aqueous photoinduced azide-alkyne cycloaddition (CuAAC) reaction. This copper(I)-catalyzed 1,3-dipolar cycloaddition is triggered by SP under UV light irradiation, exhibits oxygen tolerance and temporal control, and provides a convenient alternative to current CuAAC systems, particularly for biomolecular conjugations.
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Affiliation(s)
- Jaepil Jeong
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
| | - Grzegorz Szczepaniak
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA. .,University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
| | | | - Francesca Lorandi
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
| | - Hossein Jafari
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
| | - Sushil Lathwal
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
| | - Subha R Das
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA. .,Center for Nucleic Acids Science & Technology, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
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Affiliation(s)
- Vincent Rigolot
- UMR 8576 CNRS Unité de Glycobiologie Structurale et Fonctionnelle Université de Lille Faculté des Sciences et Technologies Bât. C9, 59655 Villeneuve d'Ascq France
| | - Christophe Biot
- UMR 8576 CNRS Unité de Glycobiologie Structurale et Fonctionnelle Université de Lille Faculté des Sciences et Technologies Bât. C9, 59655 Villeneuve d'Ascq France
| | - Cedric Lion
- UMR 8576 CNRS Unité de Glycobiologie Structurale et Fonctionnelle Université de Lille Faculté des Sciences et Technologies Bât. C9, 59655 Villeneuve d'Ascq France
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Rigolot V, Biot C, Lion C. To View Your Biomolecule, Click inside the Cell. Angew Chem Int Ed Engl 2021; 60:23084-23105. [PMID: 34097349 DOI: 10.1002/anie.202101502] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Indexed: 12/13/2022]
Abstract
The surging development of bioorthogonal chemistry has profoundly transformed chemical biology over the last two decades. Involving chemical partners that specifically react together in highly complex biological fluids, this branch of chemistry now allows researchers to probe biomolecules in their natural habitat through metabolic labelling technologies. Chemical reporter strategies include metabolic glycan labelling, site-specific incorporation of unnatural amino acids in proteins, and post-synthetic labelling of nucleic acids. While a majority of literature reports mark cell-surface exposed targets, implementing bioorthogonal ligations in the interior of cells constitutes a more challenging task. Owing to limiting factors such as membrane permeability of reagents, fluorescence background due to hydrophobic interactions and off-target covalent binding, and suboptimal balance between reactivity and stability of the designed molecular reporters and probes, these strategies need mindful planning to achieve success. In this review, we discuss the hurdles encountered when targeting biomolecules localized in cell organelles and give an easily accessible summary of the strategies at hand for imaging intracellular targets.
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Affiliation(s)
- Vincent Rigolot
- UMR 8576 CNRS, Unité de Glycobiologie Structurale et Fonctionnelle, Université de Lille, Faculté des Sciences et Technologies, Bât. C9, 59655, Villeneuve d'Ascq, France
| | - Christophe Biot
- UMR 8576 CNRS, Unité de Glycobiologie Structurale et Fonctionnelle, Université de Lille, Faculté des Sciences et Technologies, Bât. C9, 59655, Villeneuve d'Ascq, France
| | - Cedric Lion
- UMR 8576 CNRS, Unité de Glycobiologie Structurale et Fonctionnelle, Université de Lille, Faculté des Sciences et Technologies, Bât. C9, 59655, Villeneuve d'Ascq, France
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Qiu G, Nava P, Martinez A, Colomban C. A tris(benzyltriazolemethyl)amine-based cage as a CuAAC ligand tolerant to exogeneous bulky nucleophiles. Chem Commun (Camb) 2021; 57:2281-2284. [DOI: 10.1039/d0cc08005e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The canonical CuAAC–ligand TBTA was capped with a bowl-shaped unit yielding the cage Hm-TBTA. The shielded structure does not suffer from product inhibition effect and is remarkably tolerant to the biological CuAAC-inhibitor Glutathione.
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Affiliation(s)
- Gege Qiu
- Aix Marseille Univ
- CNRS
- Centrale Marseille
- iSm2
- Marseille
| | - Paola Nava
- Aix Marseille Univ
- CNRS
- Centrale Marseille
- iSm2
- Marseille
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