1
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Çalbaş B, Keobounnam AN, Korban C, Doratan AJ, Jean T, Sharma AY, Wright TA. Protein-polymer bioconjugation, immobilization, and encapsulation: a comparative review towards applicability, functionality, activity, and stability. Biomater Sci 2024; 12:2841-2864. [PMID: 38683585 DOI: 10.1039/d3bm01861j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Polymer-based biomaterials have received a lot of attention due to their biomedical, agricultural, and industrial potential. Soluble protein-polymer bioconjugates, immobilized proteins, and encapsulated proteins have been shown to tune enzymatic activity, improved pharmacokinetic ability, increased chemical and thermal stability, stimuli responsiveness, and introduced protein recovery. Controlled polymerization techniques, increased protein-polymer attachment techniques, improved polymer surface grafting techniques, controlled polymersome self-assembly, and sophisticated characterization methods have been utilized for the development of well-defined polymer-based biomaterials. In this review we aim to provide a brief account of the field, compare these methods for engineering biomaterials, provide future directions for the field, and highlight impacts of these forms of bioconjugation.
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Affiliation(s)
- Berke Çalbaş
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Ashley N Keobounnam
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Christopher Korban
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, USA
| | - Ainsley Jade Doratan
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Tiffany Jean
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Aryan Yashvardhan Sharma
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Thaiesha A Wright
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
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2
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Qi C, Zhu YL, Zhao H, Lu ZY. Ultrasmall Single-Chain Nanoparticles Derived from Amphiphilic Alternating Copolymers. Macromol Rapid Commun 2024:e2400087. [PMID: 38688322 DOI: 10.1002/marc.202400087] [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: 02/11/2024] [Revised: 04/26/2024] [Indexed: 05/02/2024]
Abstract
The collapse or folding of an individual polymer chain into a nanoscale particle gives rise to single-chain nanoparticles (SCNPs), which share a soft nature with biological protein particles. The precise control of their properties, including morphology, internal structure, size, and deformability, are a long-standing and challenging pursuit. Herein, a new strategy based on amphiphilic alternating copolymers for producing SCNPs with ultrasmall size and uniform structure is presented. SCNPs are obtained by folding the designed alternating copolymer in N,N-dimethylformamide (DMF) and fixing it through a photocatalyzed cycloaddition reaction of anthracene units. Molecular dynamics simulation confirms the solvophilic outer corona and solvophobic inner core structure of SCNPs. Furthermore, by adjusting the length of PEG units, precise control over the mean size of SCNPs is achieved within the range of 2.8 to 3.9 nm. These findings highlight a new synthetic strategy that enables enhanced control over morphology and internal structure while achieving ultrasmall and uniform size for SCNPs.
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Affiliation(s)
- Chufeng Qi
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Jiefang Road, Changchun, 130012, China
| | - You-Liang Zhu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Jiefang Road, Changchun, 130012, China
| | - Huanyu Zhao
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, 2519 Jiefang Road, Changchun, 130021, China
| | - Zhong-Yuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Jiefang Road, Changchun, 130012, China
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3
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Blázquez-Martín A, Bonardd S, Verde-Sesto E, Arbe A, Pomposo JA. Trimethylsilanol Cleaves Stable Azaylides As Revealed by Unfolding of Robust "Staudinger" Single-Chain Nanoparticles. ACS POLYMERS AU 2024; 4:140-148. [PMID: 38618005 PMCID: PMC11010256 DOI: 10.1021/acspolymersau.3c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/18/2023] [Accepted: 12/18/2023] [Indexed: 04/16/2024]
Abstract
Herein, we disclose a unique and selective reagent for the cleavage of stable azaylides prepared by the nonhydrolysis Staudinger reaction, enabling the on-demand unfolding of robust single-chain nanoparticles (SCNPs). SCNPs with promising use in catalysis, nanomedicine, and sensing are obtained through intrachain folding of discrete synthetic polymer chains. The unfolding of SCNPs involving reversible interactions triggered by a variety of external stimuli (e.g., pH, temperature, light, and redox potential) or substances (e.g., competitive reagents, solvents, and anions) is well known. Conversely, methods for the unfolding (i.e., intrachain disassembly) of SCNPs with stronger covalent interactions are scarce. We show that trimethylsilanol (Me3SiOH) triggers the efficient unfolding of robust "Staudinger" SCNPs with stable azaylide (-N=P-) moieties as intrachain cross-linking units showing exceptional stability toward water, air, and CS2, a standard reagent for azaylides. As a consequence, Me3SiOH arises as a rare, exceptional, and valuable reagent for the cleavage of stable azaylides prepared by the nonhydrolysis Staudinger reaction.
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Affiliation(s)
- Agustín Blázquez-Martín
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
| | - Sebastián Bonardd
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- Departamento
de Polímeros y Materiales Avanzados: Física, Química
y Tecnología,University of the Basque
Country (UPV/EHU), P°
Manuel Lardizabal 3, E-20800 Donostia, Spain
| | - Ester Verde-Sesto
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- IKERBASQUE
− Basque Foundation for Science, Plaza Euskadi 5, E-48009 Bilbao, Spain
| | - Arantxa Arbe
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
| | - José A. Pomposo
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- Departamento
de Polímeros y Materiales Avanzados: Física, Química
y Tecnología,University of the Basque
Country (UPV/EHU), P°
Manuel Lardizabal 3, E-20800 Donostia, Spain
- IKERBASQUE
− Basque Foundation for Science, Plaza Euskadi 5, E-48009 Bilbao, Spain
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4
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Xie H, Zhang C. Potential of the nanoplatform and PROTAC interface to achieve targeted protein degradation through the Ubiquitin-Proteasome system. Eur J Med Chem 2024; 267:116168. [PMID: 38310686 DOI: 10.1016/j.ejmech.2024.116168] [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: 11/03/2023] [Revised: 01/11/2024] [Accepted: 01/21/2024] [Indexed: 02/06/2024]
Abstract
In eukaryotic cells, the ubiquitin-proteasome system (UPS) plays a crucial role in selectively breaking down specific proteins. The ability of the UPS to target proteins effectively and expedite their removal has significantly contributed to the evolution of UPS-based targeted protein degradation (TPD) strategies. In particular, proteolysis targeting chimeras (PROTACs) are an immensely promising tool due to their high efficiency, extensive target range, and negligible drug resistance. This breakthrough has overcome the limitations posed by traditionally "non-druggable" proteins. However, their high molecular weight and constrained solubility impede the delivery of PROTACs. Fortunately, the field of nanomedicine has experienced significant growth, enabling the delivery of PROTACs through nanoscale drug-delivery systems, which effectively improves the stability, solubility, drug distribution, tissue-specific accumulation, and stimulus-responsive release of PROTACs. This article reviews the mechanism of action attributed to PROTACs and their potential implications for clinical applications. Moreover, we present strategies involving nanoplatforms for the effective delivery of PROTACs and evaluate recent advances in targeting nanoplatforms to the UPS. Ultimately, an assessment is conducted to determine the feasibility of utilizing PROTACs and nanoplatforms for UPS-based TPD. The primary aim of this review is to provide innovative, reliable solutions to overcome the current challenges obstructing the effective use of PROTACs in the management of cancer, neurodegenerative diseases, and metabolic syndrome. Therefore, this is a promising technology for improving the treatment status of major diseases.
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Affiliation(s)
- Hanshu Xie
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Chao Zhang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China.
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5
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Sbordone F, Micallef A, Frisch H. pH-Controlled Reversible Folding of Copolymers via Formation of β-sheet Secondary Structures. Angew Chem Int Ed Engl 2024; 63:e202319839. [PMID: 38205669 DOI: 10.1002/anie.202319839] [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: 12/21/2023] [Revised: 01/11/2024] [Accepted: 01/11/2024] [Indexed: 01/12/2024]
Abstract
Protein functions are enabled by their perfectly arranged 3D structure, which is the result of a hierarchical intramolecular folding process. Sequence-defined polypeptide chains form locally ordered secondary structures (i.e., α-helix and β-sheet) through hydrogen bonding between the backbone amides, shaping the overall tertiary structure. To generate similarly complex macromolecular architectures based on synthetic materials, a plethora of strategies have been developed to induce and control the folding of synthetic polymers. However, the degree of complexity of the structure-driving ensemble of interactions demonstrated by natural polymers is unreached, as synthesizing long sequence-defined polymers with functional backbones remains a challenge. Herein, we report the synthesis of hybrid peptide-N,N-Dimethylacrylamide copolymers via radical Ring-Opening Polymerization (rROP) of peptide containing macrocycles. The resulting synthetic polymers contain sequence-defined regions of β-sheet encoding amino acid sequences. Exploiting the pH responsiveness of the embedded sequences, protonation or deprotonation in water induces self-assembly of the peptide strands at an intramacromolecular level, driving polymer chain folding via formation of β-sheet secondary structures. We demonstrate that the folding behavior is sequence dependent and reversible.
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Affiliation(s)
- Federica Sbordone
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Aaron Micallef
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
- Central Analytical Research Facility, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
| | - Hendrik Frisch
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
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6
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Vo Y, Nothling MD, Raveendran R, Cao C, Stenzel MH. Effects of Drug Conjugation on the Biological Activity of Single-Chain Nanoparticles. Biomacromolecules 2024; 25:675-689. [PMID: 38266160 DOI: 10.1021/acs.biomac.3c00862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The field of single-chain nanoparticles (SCNPs) continues to mature, and an increasing range of reports have emerged that explore the application of these small nanoparticles. A key application for SCNPs is in the field of drug delivery, and recent work suggests that SCNPs can be readily internalized by cells. However, limited attention has been directed to the delivery of small-molecule drugs using SCNPs. Moreover, studies on the physicochemical effects of drug loading on SCNP performance is so far missing, despite the accepted view that such small nanoparticles should be significantly affected by the drug loading content. To address this gap, we prepared a library of SCNPs bearing different amounts of a covalently conjugated therapeutic drug-sulfasalazine (SSZ). We evaluated the impact of the conjugated drug loading on both the synthesis and biological activity of SCNPs on pancreatic cancer cells (AsPC-1). Our results reveal that covalent drug conjugation to the side chains of the SCNP polymer precursor interferes with chain collapse and cross-linking, which demands optimization of reaction conditions to reach high degrees of cross-linking efficiencies. Small-angle neutron scattering and diffusion-ordered spectroscopy nuclear magnetic resonance (DOSY NMR) analyses reveal that SCNPs with a higher drug loading display larger sizes and looser structures, as well as increased hydrophobicity associated with a higher SSZ content. Increased SSZ loading led to reduced cellular uptake when assessed in vitro, whereby SCNP aggregation on the surface of AsPC-1 cells led to reduced toxicity. This work highlights the effects of drug loading on the drug delivery efficiency and biological behavior of SCNPs.
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Affiliation(s)
- Yen Vo
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Mitchell D Nothling
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Radhika Raveendran
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Cheng Cao
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Martina H Stenzel
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
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7
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Mundsinger K, Izuagbe A, Tuten BT, Roesky PW, Barner-Kowollik C. Single Chain Nanoparticles in Catalysis. Angew Chem Int Ed Engl 2024; 63:e202311734. [PMID: 37852937 DOI: 10.1002/anie.202311734] [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: 08/11/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/20/2023]
Abstract
Over the last six decades folded polymer chains-so-called Single Chain Nanoparticles (SCNPs)-have evolved from the mere concept of intramolecularly crosslinked polymer chains to tailored nanoreactors, underpinned by a plethora of techniques and chemistries to tailor and analyze their morphology and function. These monomolecular polymer entities hold critical promise in a wide range of applications. Herein, we highlight the exciting progress that has been made in the field of catalytically active SCNPs in recent years.
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Affiliation(s)
- Kai Mundsinger
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
| | - Aidan Izuagbe
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse15, 76131, Karlsruhe, Germany
| | - Bryan T Tuten
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse15, 76131, Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, 76344, Eggenstein-Leopoldshafen, Germany
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8
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Xu C, Zheng MX, Wei Y, Yuan JY. Liquid Crystalline Nanoparticles via Polymerization-Induced Self-Assembly: Morphology Evolution and Function Regulation. Chemistry 2023:e202303586. [PMID: 38079233 DOI: 10.1002/chem.202303586] [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: 10/29/2023] [Indexed: 01/16/2024]
Abstract
Liquid crystalline nanoparticles (LC NPs) are a kind of polymer NPs with LC mesogens, which can form special anisotropic morphologies due to the influence of LC ordering. Owing to the stimuli-responsiveness of the LC blocks, LC NPs show abundant morphology evolution behaviors in response to external regulation. LC NPs have great application potential in nano-devices, drug delivery, special fibers and other fields. Polymerization-induced self-assembly (PISA) method can synthesize LC NPs at high solid content, reducing the harsh demand for reaction solvent of the LC polymers, being a better choice for large-scale production. In this review, we introduced recent research progress of PISA-LC NPs by dividing them into several parts according to the LC mesogen, and discussed the improvement of experimental conditions and the potential application of these polymers.
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Affiliation(s)
- Chang Xu
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ming-Xin Zheng
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yen Wei
- Key Lab of Bioorganic Phosphorus Chemistry and Chemical Biology of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jin-Ying Yuan
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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9
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Atlas N, Uzair B, Movellan J, Gracia R, Dupin D, Loinaz I, van Nostrum CF, Hays JP. In vitro activity of novel apramycin-dextran nanoparticles and free apramycin against selected Dutch and Pakistani Klebsiella pneumonia isolates. Heliyon 2023; 9:e22821. [PMID: 38125473 PMCID: PMC10730580 DOI: 10.1016/j.heliyon.2023.e22821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
Klebsiella pneumoniae are bacteria associated with respiratory tract infections and are increasingly becoming resistant to antibiotics, including carbapenems. Apramycin is a veterinary antibiotic that may have the potential to be re-purposed for use in human health, for example, for the treatment of respiratory tract infections after coupling to inhalable nanoparticles. In the present study, the antibiotic apramycin was formulated with single chain polymeric nanoparticles and tested in free and formulated forms against a set of 13 Klebsiella pneumoniae isolates (from the Netherlands and Pakistan) expressing different aminoglycoside resistance phenotypes. Minimum Inhibitory Concentration, Time Kill Kinetics and biofilm experiments were performed providing evidence for the potential efficacy of apramycin and apramycin-based nanomedicines for the treatment of human Klebsiella pneumonia infections.
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Affiliation(s)
- Nagina Atlas
- Dept. Biological Science, International Islamic University Islamabad, Pakistan
- Utrecht Institute for Pharmaceutical Sciences, Dept. of Pharmaceutics, Utrecht University, Utrecht, the Netherlands
| | - Bushra Uzair
- Dept. Biological Science, International Islamic University Islamabad, Pakistan
| | - Julie Movellan
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Miramon Pasealekua, 196, Donostia-San Sebastián 20014, Spain
| | - Raquel Gracia
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Miramon Pasealekua, 196, Donostia-San Sebastián 20014, Spain
| | - Damien Dupin
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Miramon Pasealekua, 196, Donostia-San Sebastián 20014, Spain
| | - Iraida Loinaz
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Miramon Pasealekua, 196, Donostia-San Sebastián 20014, Spain
| | - Cornelus F. van Nostrum
- Utrecht Institute for Pharmaceutical Sciences, Dept. of Pharmaceutics, Utrecht University, Utrecht, the Netherlands
| | - John P. Hays
- Dept. Medical Microbiology & Infectious Diseases, Erasmus University Medical Centre (Erasmus MC), Rotterdam, the Netherlands
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10
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Gupta U, Maity D, Sharma VK. Recent advances of polymeric nanoplatforms for cancer treatment: smart delivery systems (SDS), nanotheranostics and multidrug resistance (MDR) inhibition. Biomed Mater 2023; 19:012003. [PMID: 37944188 DOI: 10.1088/1748-605x/ad0b23] [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: 07/27/2023] [Accepted: 11/09/2023] [Indexed: 11/12/2023]
Abstract
Nanotheranostics is a promising field that combines the benefits of diagnostic and treatment into a single nano-platform that not only administers treatment but also allows for real-time monitoring of therapeutic response, decreasing the possibility of under/over-drug dosing. Furthermore, developing smart delivery systems (SDSs) for cancer theranostics that can take advantage of various tumour microenvironment (TME) conditions (such as deformed tumour vasculature, various over-expressed receptor proteins, reduced pH, oxidative stress, and resulting elevated glutathione levels) can aid in achieving improved pharmacokinetics, higher tumour accumulation, enhanced antitumour efficacy, and/or decreased side effects and multidrug resistance (MDR) inhibition. Polymeric nanoparticles (PNPs) are being widely investigated in this regard due to their unique features such as small size, passive/active targeting possibility, better pharmaceutical kinetics and biological distribution, decreased adverse reactions of the established drugs, inherent inhibitory properties to MDR efflux pump proteins, as well as the feasibility of delivering numerous therapeutic substances in just one design. Hence in this review, we have primarily discussed PNPs based targeted and/or controlled SDSs in which we have elaborated upon different TME mediated nanotheranostic platforms (NTPs) including active/passive/magnetic targeting platforms along with pH/ROS/redox-responsive platforms. Besides, we have elucidated different imaging guided cancer therapeutic platforms based on four major cancer imaging techniques i.e., fluorescence/photo-acoustic/radionuclide/magnetic resonance imaging, Furthermore, we have deliberated some of the most recently developed PNPs based multimodal NTPs (by combining two or more imaging or therapy techniques on a single nanoplatform) in cancer theranostics. Moreover, we have provided a brief update on PNPs based NTP which are recently developed to overcome MDR for effective cancer treatment. Additionally, we have briefly discussed about the tissue biodistribution/tumour targeting efficiency of these nanoplatforms along with recent preclinical/clinical studies. Finally, we have elaborated on various limitations associated with PNPs based nanoplatforms.
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Affiliation(s)
- Urvashi Gupta
- Department of Bioengineering, Imperial College London, London SW7 2BX, United Kingdom
| | - Dipak Maity
- School of Health Sciences & Technology, University of Petroleum and Energy Studies, Dehradun, Uttarakhand 248007, India
| | - Virender K Sharma
- Program for the Environment and Sustainability, Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, 1266 TAMU, College Station, TX 77843, United States of America
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11
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Mohamed Irshadeen I, Truong VX, Frisch H, Barner-Kowollik C. Simultaneously recorded photochemical action plots reveal orthogonal reactivity. Chem Commun (Camb) 2023; 59:11959-11962. [PMID: 37724042 DOI: 10.1039/d3cc03777k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
We map the photochemical reactivity of two chromophores-a pyrene-chalcone and a methylene blue protected amine-from a one-pot reaction mixture based on their dynamic absorptivity changes upon light exposure, constructing a dual action plot. We employ the action plot data to determine a pathlength-independent λ-orthogonality window, allowing the orthogonal folding of distinct polymer chains into single chain nano-particles (SCNPs) from the same reaction mixture.
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Affiliation(s)
- Ishrath Mohamed Irshadeen
- School of Chemistry and Physics, Queensland University of Technology Faculty of Science and Engineering, Brisbane, Australia.
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Vinh X Truong
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore
| | - Hendrik Frisch
- School of Chemistry and Physics, Queensland University of Technology Faculty of Science and Engineering, Brisbane, Australia.
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology Faculty of Science and Engineering, Brisbane, Australia.
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
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12
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Thümmler JF, Maragani R, Schmitt FJ, Tang G, Rahmanlou SM, Laufer J, Lucas H, Mäder K, Binder WH. Thermoresponsive swelling of photoacoustic single-chain nanoparticles. Chem Commun (Camb) 2023; 59:11373-11376. [PMID: 37665625 DOI: 10.1039/d3cc03851c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
NIR-fluorescent LCST-type single-chain nanoparticles (SCNPs) change their photophysical behaviour upon heating, caused by depletion of water from the swollen SCNP interiors. This thermoresponsive effect leads to a fluctuating photoacoustic (PA) signal which can be used as a contrast mechanism for PA imaging.
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Affiliation(s)
- Justus F Thümmler
- Institute of Chemistry, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, Halle D-06120, Germany.
| | - Ramesh Maragani
- Institute of Chemistry, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, Halle D-06120, Germany.
| | - Franz-Josef Schmitt
- Institute of Physics, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, Halle D-06120, Germany
| | - Guo Tang
- Institute of Physics, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, Halle D-06120, Germany
| | - Samira Mahmoudi Rahmanlou
- Institute of Physics, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, Halle D-06120, Germany
| | - Jan Laufer
- Institute of Physics, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, Halle D-06120, Germany
| | - Henrike Lucas
- Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, Halle D-06120, Germany
| | - Karsten Mäder
- Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, Halle D-06120, Germany
| | - Wolfgang H Binder
- Institute of Chemistry, Faculty of Natural Sciences II, Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, Halle D-06120, Germany.
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13
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Maag PH, Feist F, Truong VX, Frisch H, Roesky PW, Barner-Kowollik C. Visible-Light-Induced Control over Reversible Single-Chain Nanoparticle Folding. Angew Chem Int Ed Engl 2023; 62:e202309259. [PMID: 37485591 DOI: 10.1002/anie.202309259] [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: 06/30/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 07/25/2023]
Abstract
We introduce a class of single-chain nanoparticles (SCNPs) that respond to visible light (λmax =415 nm) with complete unfolding from their compact structure into linear chain analogues. The initial folding is achieved by a simple esterification reaction of the polymer backbone constituted of acrylic acid and polyethylene glycol carrying monomer units, introducing bimane moieties, which allow for the photochemical unfolding, reversing the ester-bond formation. The compaction and the light driven unfolding proceed cleanly and are readily followed by size exclusion chromatography (SEC) and diffusion ordered NMR spectroscopy (DOSY), monitoring the change in the hydrodynamic radius (RH ). Importantly, the folding reaction and the light-induced unfolding are reversible, supported by the high conversion of the photo cleavage. As the unfolding reaction occurs in aqueous systems, the system holds promise for controlling the unfolding of SCNPs in biological environments.
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Affiliation(s)
- Patrick H Maag
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Florian Feist
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Vinh X Truong
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Re-search (A*STAR), 1 Pesek Road, Jurong Island, Singapore, 627833, Republic of Singapore
| | - Hendrik Frisch
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131, Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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14
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Delledonne A, Guazzelli E, Pescina S, Bianchera A, Galli G, Martinelli E, Sissa C. Amphiphilic Fluorinated Unimer Micelles as Nanocarriers of Fluorescent Probes for Bioimaging. ACS APPLIED NANO MATERIALS 2023; 6:15551-15562. [PMID: 37706068 PMCID: PMC10496108 DOI: 10.1021/acsanm.3c02300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/07/2023] [Indexed: 09/15/2023]
Abstract
The unique self-assembly properties of unimer micelles are exploited for the preparation of fluorescent nanocarriers embedding hydrophobic fluorophores. Unimer micelles are constituted by a (meth)acrylate copolymer with oligoethyleneglycol and perflurohexylethyl side chains (PEGMA90-co-FA10) in which the hydrophilic and hydrophobic comonomers are statistically distributed along the polymeric backbone. Thanks to hydrophobic interactions in water, the amphiphilic copolymer forms small nanoparticles (<10 nm), with tunable properties and functionality. An easy procedure for the encapsulation of a small hydrophobic molecule (C153 fluorophore) within unimer micelles is presented. UV-vis, fluorescence, and fluorescence anisotropy spectroscopic experimental data demonstrate that the fluorophore is effectively embedded in the nanocarriers. Moreover, the nanocarrier positively contributes to preserve the good emissive properties of the fluorophore in water. The efficacy of the dye-loaded nanocarrier as a fluorescent probe is tested in two-photon imaging of thick ex vivo porcine scleral tissue.
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Affiliation(s)
- Andrea Delledonne
- Dipartimento
di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17A, 43124 Parma, Italy
| | - Elisa Guazzelli
- Dipartimento
di Chimica e Chimica Industriale, Università
di Pisa, 56124 Pisa, Italy
| | - Silvia Pescina
- ADDRes
Lab, Dipartimento di Scienze degli Alimenti e del Farmaco, Università di Parma, Parco Area delle Scienze 27A, 43124 Parma, Italy
| | - Annalisa Bianchera
- ADDRes
Lab, Dipartimento di Scienze degli Alimenti e del Farmaco, Università di Parma, Parco Area delle Scienze 27A, 43124 Parma, Italy
| | - Giancarlo Galli
- Dipartimento
di Chimica e Chimica Industriale, Università
di Pisa, 56124 Pisa, Italy
| | - Elisa Martinelli
- Dipartimento
di Chimica e Chimica Industriale, Università
di Pisa, 56124 Pisa, Italy
- Centro
per la Integrazione Della Strumentazione Dell’Università
di Pisa (CISUP), Lungarno
Pacinotti 43/44, 56126 Pisa, Italy
| | - Cristina Sissa
- Dipartimento
di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17A, 43124 Parma, Italy
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15
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Sadeghi A, PourEskandar S, Askari E, Akbari M. Polymeric Nanoparticles and Nanogels: How Do They Interact with Proteins? Gels 2023; 9:632. [PMID: 37623087 PMCID: PMC10453451 DOI: 10.3390/gels9080632] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
Polymeric nanomaterials, nanogels, and solid nanoparticles can be fabricated using single or double emulsion methods. These materials hold great promise for various biomedical applications due to their biocompatibility, biodegradability, and their ability to control interactions with body fluids and cells. Despite the increasing use of nanoparticles in biomedicine and the plethora of publications on the topic, the biological behavior and efficacy of polymeric nanoparticles (PNPs) have not been as extensively studied as those of other nanoparticles. The gap between the potential of PNPs and their applications can mainly be attributed to the incomplete understanding of their biological identity. Under physiological conditions, such as specific temperatures and adequate protein concentrations, PNPs become coated with a "protein corona" (PC), rendering them potent tools for proteomics studies. In this review, we initially investigate the synthesis routes and chemical composition of conventional PNPs to better comprehend how they interact with proteins. Subsequently, we comprehensively explore the effects of material and biological parameters on the interactions between nanoparticles and proteins, encompassing reactions such as hydrophobic bonding and electrostatic interactions. Moreover, we delve into recent advances in PNP-based models that can be applied to nanoproteomics, discussing the new opportunities they offer for the clinical translation of nanoparticles and early prediction of diseases. By addressing these essential aspects, we aim to shed light on the potential of polymeric nanoparticles for biomedical applications and foster further research in this critical area.
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Affiliation(s)
- Amirhossein Sadeghi
- Polymer Laboratory, School of Chemistry, College of Science, University of Tehran, Tehran P.O. Box 141556455, Iran
| | - Shadi PourEskandar
- Department of Chemical Engineering, Razi University, Kermanshah P.O. Box 6718773654, Iran
| | - Esfandyar Askari
- Biomaterials and Tissue Engineering Research Group, Department of Interdisciplinary Technologies, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran P.O. Box 1684613114, Iran
| | - Mohsen Akbari
- Mechanical Engineering Department, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P 5C2, Canada
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16
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Wijker S, Palmans ARA. Protein-Inspired Control over Synthetic Polymer Folding for Structured Functional Nanoparticles in Water. Chempluschem 2023; 88:e202300260. [PMID: 37417828 DOI: 10.1002/cplu.202300260] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 07/08/2023]
Abstract
The folding of proteins into functional nanoparticles with defined 3D structures has inspired chemists to create simple synthetic systems mimicking protein properties. The folding of polymers into nanoparticles in water proceeds via different strategies, resulting in the global compaction of the polymer chain. Herein, we review the different methods available to control the conformation of synthetic polymers and collapse/fold them into structured, functional nanoparticles, such as hydrophobic collapse, supramolecular self-assembly, and covalent cross-linking. A comparison is made between the design principles of protein folding to synthetic polymer folding and the formation of structured nanocompartments in water, highlighting similarities and differences in design and function. We also focus on the importance of structure for functional stability and diverse applications in complex media and cellular environments.
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Affiliation(s)
- Stefan Wijker
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
| | - Anja R A Palmans
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
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17
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Vasconcelos I, Santos T. Nanotechnology Applications in Sepsis: Essential Knowledge for Clinicians. Pharmaceutics 2023; 15:1682. [PMID: 37376129 DOI: 10.3390/pharmaceutics15061682] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/29/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Sepsis is a life-threatening condition caused by a dysregulated host response to an invading pathogen such as multidrug-resistant bacteria. Despite recent advancements, sepsis is a leading cause of morbidity and mortality, resulting in a significant global impact and burden. This condition affects all age groups, with clinical outcomes mainly depending on a timely diagnosis and appropriate early therapeutic intervention. Because of the unique features of nanosized systems, there is a growing interest in developing and designing novel solutions. Nanoscale-engineered materials allow a targeted and controlled release of bioactive agents, resulting in improved efficacy with minimal side effects. Additionally, nanoparticle-based sensors provide a quicker and more reliable alternative to conventional diagnostic methods for identifying infection and organ dysfunction. Despite recent advancements, fundamental nanotechnology principles are often presented in technical formats that presuppose advanced chemistry, physics, and engineering knowledge. Consequently, clinicians may not grasp the underlying science, hindering interdisciplinary collaborations and successful translation from bench to bedside. In this review, we abridge some of the most recent and most promising nanotechnology-based solutions for sepsis diagnosis and management using an intelligible format to stimulate a seamless collaboration between engineers, scientists, and clinicians.
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Affiliation(s)
- Inês Vasconcelos
- School of Medicine, University of Minho, 4710-057 Braga, Portugal
- Department of Surgery and Physiology, Cardiovascular Research and Development Center-UnIC, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Tiago Santos
- School of Medicine, University of Minho, 4710-057 Braga, Portugal
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18
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Blázquez-Martín A, Ruiz-Bardillo A, Verde-Sesto E, Iturrospe A, Arbe A, Pomposo JA. Toward Long-Term-Dispersible, Metal-Free Single-Chain Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1394. [PMID: 37110979 PMCID: PMC10143805 DOI: 10.3390/nano13081394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 06/19/2023]
Abstract
We report herein on a new platform for synthesizing stable, inert, and dispersible metal-free single-chain nanoparticles (SCNPs) via intramolecular metal-traceless azide-alkyne click chemistry. It is well known that SCNPs synthesized via Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) often experience metal-induced aggregation issues during storage. Moreover, the presence of metal traces limits its use in a number of potential applications. To address these problems, we selected a bifunctional cross-linker molecule, sym-dibenzo-1,5-cyclooctadiene-3,7-diyne (DIBOD). DIBOD has two highly strained alkyne bonds that allow for the synthesis of metal-free SCNPs. We demonstrate the utility of this new approach by synthesizing metal-free polystyrene (PS)-SCNPs without significant aggregation issues during storage, as demonstrated by small-angle X-ray scattering (SAXS) experiments. Notably, this method paves the way for the synthesis of long-term-dispersible, metal-free SCNPs from potentially any polymer precursor decorated with azide functional groups.
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Affiliation(s)
- Agustín Blázquez-Martín
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
| | - Ainara Ruiz-Bardillo
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
| | - Ester Verde-Sesto
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
- IKERBASQUE-Basque Foundation for Science, 48009 Bilbao, Spain
| | - Amaia Iturrospe
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
| | - Arantxa Arbe
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
| | - José A. Pomposo
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), 20018 Donostia-San Sebastián, Spain (A.A.)
- IKERBASQUE-Basque Foundation for Science, 48009 Bilbao, Spain
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastián, Spain
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19
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Wijker S, Monnink R, Rijnders L, Deng L, Palmans ARA. Simultaneously controlling conformational and operational stability of single-chain polymeric nanoparticles in complex media. Chem Commun (Camb) 2023; 59:5407-5410. [PMID: 37060136 PMCID: PMC10152456 DOI: 10.1039/d3cc00763d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
Single-chain polymeric nanoparticles (SCPNs) comprising a solvatochromic pyrazoline adduct show conformational and operational stability in complex media and in cellular compartments; the connectivity of the adduct is crucial in modulating interactions with the surrounding media.
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Affiliation(s)
- Stefan Wijker
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
| | - Rico Monnink
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
| | - Luc Rijnders
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
| | - Linlin Deng
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
| | - Anja R A Palmans
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
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20
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Hamelmann NM, Paulusse JMJ. Single-chain polymer nanoparticles in biomedical applications. J Control Release 2023; 356:26-42. [PMID: 36804328 DOI: 10.1016/j.jconrel.2023.02.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 01/02/2023] [Accepted: 02/13/2023] [Indexed: 02/23/2023]
Abstract
Single-chain polymer nanoparticles (SCNPs) are a well-defined and uniquely sized class of polymer nanoparticles. The advances in polymer science over the past decades have enabled the development of a variety of intramolecular crosslinking systems, leading to particles in the 5-20 nm size regime. Which is aligned with the size regime of proteins and therefore making SCNPs an interesting class of NPs for biomedical applications. The high modularity of SCNP design and the ease of their functionalization have led to growing research interest. In this review, we describe different crosslinking systems, as well as the preparation of functional SCNPs and the variety of biomedical applications that have been explored.
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Affiliation(s)
- Naomi M Hamelmann
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
| | - Jos M J Paulusse
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands.
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21
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Chen H, Zhang Y, Zhang Y, Liu D, Li M, Cao Y. Surface encapsulating UV filters based on self-assembly of an amphiphilic random copolymer by miniemulsion polymerization. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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22
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Hamelmann NM, Uijttewaal S, Hujaya SD, Paulusse JMJ. Enhancing Cellular Internalization of Single-Chain Polymer Nanoparticles via Polyplex Formation. Biomacromolecules 2022; 23:5036-5042. [PMID: 36383472 DOI: 10.1021/acs.biomac.2c00858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Intracellular delivery of nanoparticles is crucial in nanomedicine to reach optimal delivery of therapeutics and imaging agents. Single-chain polymer nanoparticles (SCNPs) are an interesting class of nanoparticles due to their unique site range of 5-20 nm. The intracellular delivery of SCNPs can be enhanced by using delivery agents. Here, a positive polymer is used to form polyplexes with SCNPs, similar to the strategy of protein and gene delivery. The size and surface charge of the polyplexes were evaluated. The cellular uptake showed rapid uptake of SCNPs via polyplex formation, and the cytosolic delivery of the SCNPs was presented by confocal microscopy. The ability of SCNPs to act as nanocarriers was further explored by conjugation of doxorubicin.
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Affiliation(s)
- Naomi M Hamelmann
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Sjoerd Uijttewaal
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Sry D Hujaya
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jos M J Paulusse
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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23
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Doan-Nguyen TP, Mantala K, Atithep T, Crespy D. Osmotic Pressure as Driving Force for Reducing the Size of Nanoparticles in Emulsions. ACS NANO 2022; 17:940-954. [PMID: 36472438 DOI: 10.1021/acsnano.2c05565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We describe here a method to decrease particle size of nanoparticles synthesized by miniemulsion polymerization. Small nanoparticles or nanocapsules were obtained by generating an osmotic pressure to induce the diffusion of monomer molecules from the dispersed phase of a miniemulsion before polymerization to an upper oil layer. The size reduction is dependent on the difference in concentration of monomer in the dispersed phase and in the upper oil layer and on the solubility of the monomer in water. By labeling the emulsion droplets with a copolymer of stearyl methacrylate and a polymerizable dye, we demonstrated that the migration of the monomer to the upper hexadecane layer relied on molecular diffusion rather than diffusion of monomer droplets to the oil layer. Moreover, surface tension measurements confirmed that the emulsions were still in the miniemulsion regime and not in the microemulsion regime. The particle size can be tuned by controlling the duration during which the miniemulsion stayed in contact with the hexadecane layer, the interfacial area between the miniemulsion and the hexadecane layer and by the concentration of surfactant. Our method was applied to reduce the size of polystyrene and poly(methyl methacrylate) nanoparticles, nanocapsules of a copolymer of styrene and methyl methacrylic acid, and silica nanocapsules. This work demonstrated that a successful reduction of nanoparticle size in the miniemulsion process can be achieved without using excess amounts of surfactant. The method relies on building osmotic pressure in oil droplets dispersed in water which acts as semipermeable membrane.
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Affiliation(s)
- Thao P Doan-Nguyen
- Max Planck-VISTEC Partner Laboratory for Sustainable Materials, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Kanyarat Mantala
- Max Planck-VISTEC Partner Laboratory for Sustainable Materials, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Thassanant Atithep
- Max Planck-VISTEC Partner Laboratory for Sustainable Materials, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Daniel Crespy
- Max Planck-VISTEC Partner Laboratory for Sustainable Materials, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
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24
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Zhang T, Jiao X, Peng X, Wang H, Zou Y, Xiao Y, Liu R, Li Z. Non-invasive drug delivery systems mediated by nanocarriers and molecular dynamics simulation for posterior eye disease therapeutics: Virtual screening, construction and comparison. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Simagin AS, Savinova MV, Kamorin DM, Kazantsev OA, Orekhov DV, Simonova MA, Orekhov SV. Amino- and Sulfo-Containing Molecular Brushes Based on Oligo(ethylene glycol) (Meth)Acrylates: Synthesis and Properties in Solutions. POLYMER SCIENCE SERIES C 2022. [DOI: 10.1134/s1811238222700175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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La Barbera L, Mauri E, D’Amelio M, Gori M. Functionalization strategies of polymeric nanoparticles for drug delivery in Alzheimer’s disease: Current trends and future perspectives. Front Neurosci 2022; 16:939855. [PMID: 35992936 PMCID: PMC9387393 DOI: 10.3389/fnins.2022.939855] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/11/2022] [Indexed: 12/12/2022] Open
Abstract
Alzheimer’s disease (AD), the most common form of dementia, is a progressive and multifactorial neurodegenerative disorder whose primary causes are mostly unknown. Due to the increase in life expectancy of world population, including developing countries, AD, whose incidence rises dramatically with age, is at the forefront among neurodegenerative diseases. Moreover, a definitive cure is not yet within reach, imposing substantial medical and public health burdens at every latitude. Therefore, the effort to devise novel and effective therapeutic strategies is still of paramount importance. Genetic, functional, structural and biochemical studies all indicate that new and efficacious drug delivery strategies interfere at different levels with various cellular and molecular targets. Over the last few decades, therapeutic development of nanomedicine at preclinical stage has shown to progress at a fast pace, thus paving the way for its potential impact on human health in improving prevention, diagnosis, and treatment of age-related neurodegenerative disorders, including AD. Clinical translation of nano-based therapeutics, despite current limitations, may present important advantages and innovation to be exploited in the neuroscience field as well. In this state-of-the-art review article, we present the most promising applications of polymeric nanoparticle-mediated drug delivery for bypassing the blood-brain barrier of AD preclinical models and boost pharmacological safety and efficacy. In particular, novel strategic chemical functionalization of polymeric nanocarriers that could be successfully employed for treating AD are thoroughly described. Emphasis is also placed on nanotheranostics as both potential therapeutic and diagnostic tool for targeted treatments. Our review highlights the emerging role of nanomedicine in the management of AD, providing the readers with an overview of the nanostrategies currently available to develop future therapeutic applications against this chronic neurodegenerative disease.
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Affiliation(s)
- Livia La Barbera
- Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Rome, Italy
- Santa Lucia Foundation, IRCSS, Rome, Italy
| | - Emanuele Mauri
- Department of Engineering, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Marcello D’Amelio
- Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Rome, Italy
- Santa Lucia Foundation, IRCSS, Rome, Italy
| | - Manuele Gori
- Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Rome, Italy
- Institute of Biochemistry and Cell Biology (IBBC) - National Research Council (CNR), Rome, Italy
- *Correspondence: Manuele Gori,
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27
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Seidi F, Zhong Y, Xiao H, Jin Y, Crespy D. Degradable polyprodrugs: design and therapeutic efficiency. Chem Soc Rev 2022; 51:6652-6703. [PMID: 35796314 DOI: 10.1039/d2cs00099g] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Prodrugs are developed to increase the therapeutic properties of drugs and reduce their side effects. Polyprodrugs emerged as highly efficient prodrugs produced by the polymerization of one or several drug monomers. Polyprodrugs can be gradually degraded to release therapeutic agents. The complete degradation of polyprodrugs is an important factor to guarantee the successful disposal of the drug delivery system from the body. The degradation of polyprodrugs and release rate of the drugs can be controlled by the type of covalent bonds linking the monomer drug units in the polymer structure. Therefore, various types of polyprodrugs have been developed based on polyesters, polyanhydrides, polycarbonates, polyurethanes, polyamides, polyketals, polymetallodrugs, polyphosphazenes, and polyimines. Furthermore, the presence of stimuli-responsive groups, such as redox-responsive linkages (disulfide, boronate ester, metal-complex, and oxalate), pH-responsive linkages (ester, imine, hydrazone, acetal, orthoester, P-O and P-N), light-responsive (metal-complex, o-nitrophenyl groups) and enzyme-responsive linkages (ester, peptides) allow for a selective degradation of the polymer backbone in targeted tumors. We envision that new strategies providing a more efficient synergistic therapy will be developed by combining polyprodrugs with gene delivery segments and targeting moieties.
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Affiliation(s)
- Farzad Seidi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China. .,Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand.
| | - Yajie Zhong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
| | - Yongcan Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Daniel Crespy
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand.
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Wang S, Cheng K, Chen K, Xu C, Ma P, Dang G, Yang Y, Lei Q, Huang H, Yu Y, Fang Y, Tang Q, Jiang N, Miao H, Liu F, Zhao X, Li N. Nanoparticle-based medicines in clinical cancer therapy. NANO TODAY 2022; 45:101512. [DOI: 10.1016/j.nantod.2022.101512] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2024]
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29
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Wijker S, Deng L, Eisenreich F, Voets IK, Palmans ARA. En Route to Stabilized Compact Conformations of Single-Chain Polymeric Nanoparticles in Complex Media. Macromolecules 2022; 55:6220-6230. [PMID: 35910311 PMCID: PMC9330768 DOI: 10.1021/acs.macromol.2c00930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/27/2022] [Indexed: 11/28/2022]
Abstract
Precise control over the folding pathways of polypeptides using a combination of noncovalent and covalent interactions has evolved into a wide range of functional proteins with a perfectly defined 3D conformation. Inspired hereby, we develop a series of amphiphilic copolymers designed to form compact, stable, and structured single-chain polymeric nanoparticles (SCPNs) of defined size, even in competitive conditions. The SCPNs are formed through a combination of noncovalent interactions (hydrophobic and hydrogen-bonding interactions) and covalent intramolecular cross-linking using a light-induced [2 + 2] cycloaddition. By comparing different self-assembly pathways of the nanoparticles, we show that, like for proteins in nature, the order of events matters. When covalent cross-links are formed prior to the folding via hydrophobic and supramolecular interactions, larger particles with less structured interiors are formed. In contrast, when the copolymers first fold via hydrophobic and hydrogen-bonding interactions into compact conformations, followed by covalent cross-links, good control over the size of the SCPNs and microstructure of the hydrophobic interior is achieved. Such a structured SCPN can stabilize the solvatochromic dye benzene-1,3,5-tricarboxamide-Nile Red via molecular recognition for short periods of time in complex media, while showing slow exchange dynamics with the surrounding complex media at longer time scales. The SCPNs show good biocompatibility with cells and can carry cargo into the lysosomal compartments of the cells. Our study highlights the importance of control over the folding pathway in the design of stable SCPNs, which is an important step forward in their application as noncovalent drug or catalyst carriers in biological settings.
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Affiliation(s)
- Stefan Wijker
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Linlin Deng
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Fabian Eisenreich
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Department of Chemical Engineering
and Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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30
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Neutralization of ionic interactions by dextran-based single-chain nanoparticles improves tobramycin diffusion into a mature biofilm. NPJ Biofilms Microbiomes 2022; 8:52. [PMID: 35787627 PMCID: PMC9253323 DOI: 10.1038/s41522-022-00317-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/21/2022] [Indexed: 11/18/2022] Open
Abstract
The extracellular matrix protects biofilm cells by reducing diffusion of antimicrobials. Tobramycin is an antibiotic used extensively to treat P. aeruginosa biofilms, but it is sequestered in the biofilm periphery by the extracellular negative charge matrix and loses its efficacy significantly. Dispersal of the biofilm extracellular matrix with enzymes such as DNase I is another promising therapy that enhances antibiotic diffusion into the biofilm. Here, we combine the charge neutralization of tobramycin provided by dextran-based single-chain polymer nanoparticles (SCPNs) together with DNase I to break the biofilm matrix. Our study demonstrates that the SCPNs improve the activity of tobramycin and DNase I by neutralizing the ionic interactions that keep this antibiotic in the biofilm periphery. Moreover, the detailed effects and interactions of nanoformulations with extracellular matrix components were revealed through time-lapse imaging of the P. aeruginosa biofilms by laser scanning confocal microscopy with specific labeling of the different biofilm components.
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31
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Zore A, Geng P, Zhang Y, Van De Mark MR. Defining the Collapse Point in Colloidal Unimolecular Polymer (CUP) Formation. Polymers (Basel) 2022; 14:polym14091909. [PMID: 35567078 PMCID: PMC9101348 DOI: 10.3390/polym14091909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/01/2022] [Accepted: 05/03/2022] [Indexed: 12/04/2022] Open
Abstract
Colloidal unimolecular polymer (CUP) particles were made using polymers with different ratios of hydrophobic and hydrophilic monomers via a self-organization process known as water reduction. The water-reduction process and the collapse of the polymer chain to form a CUP were tracked using viscosity measurements as a function of composition. A vibration viscometer, which allowed for viscosity measurement as the water was being added during the water-reduction process, was utilized. The protocol was optimized and tested for factors such as temperature control, loss of material, measurement stability while stirring, and changes in the solution volume with the addition of water. The resulting viscosity curve provided the composition of Tetrahydrofuran (THF)/water mixture that triggers the collapse of a polymer chain into a particle. Hansen as well as dielectric parameters were related to the polymer composition and percentage v/v of THF/water mixture at the collapse point. It was observed that the collapse of the polymer chain occurred when the water/THF composition was at a water volume of between 53.8 to 59.3% in the solvent mixture.
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32
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Lu Z, Zhang J, Yin W, Guo C, Lang M. Preparation of AIE Functional Single-chain Polymer Nanoparticles and Its Application in H 2 O 2 Detection through Intermolecular Heavy-atom Effect. Macromol Rapid Commun 2022; 43:e2200156. [PMID: 35482976 DOI: 10.1002/marc.202200156] [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: 02/20/2022] [Revised: 04/21/2022] [Indexed: 11/06/2022]
Abstract
Single-chain polymer nanoparticles (SCNPs) are soft matter constructed by intrachain crosslink, with promising prospects in detection and catalysis. Herein, the fluorescent core (SCNPs) with aggregation-induced emission (AIE) was prepared, applying for H2 O2 detection through intermolecular heavy-atom effect. In detail, the SCNPs precursors were synthesized by ring-opening copolymerization. Then the SCNPs were prepared by intramolecularly cross-linking via olefin metathesis. Imitating the structure of AIE dots, SCNPs were encapsulated by H2 O2 -responsive polymers. Probably due to the stable secondary structure of SCNPs, the obtained micelles show stable fluorescence performance. Furthermore, as the heavy-atom, tellurium was introduced into the carriers to construct the heavy-atom effect. In this micelle-based system, the SCNPs act as the fluorescent core, and the stimuli-responsive polymer acts as the carrier and the fluorescent switch. The hydrophilicity of the tellurium-containing segment is affected by the concentration of H2 O2 , resulting in a change in the distance from the SCNPs, which ultimately leads to a change in the fluorescence intensity. And tellurium is particularly sensitive to H2 O2 , which can detect low concentrations of H2 O2 . The SCNPs were merged with AIE materials, hoping to explore new probe design. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Zhimin Lu
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials and Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Junyong Zhang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials and Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Wang Yin
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials and Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Changfa Guo
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Meidong Lang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials and Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
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Sharifi S, Asenjo-Sanz I, Pomposo JA, Alegria A. Intra- vs Intermolecular Cross-Links in Poly(methyl methacrylate) Networks Containing Enamine Bonds. Macromolecules 2022; 55:3627-3636. [PMID: 35578611 PMCID: PMC9100347 DOI: 10.1021/acs.macromol.1c02607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/11/2022] [Indexed: 11/30/2022]
Abstract
![]()
The molecular dynamics
of a copolymer composed of methyl methacrylate
(MMA) and (2-acetoacetoxy)ethyl methacrylate (AEMA) monomers and the
influence on it of intra- to intermolecular cross-links of AEMA units
with ethylenediamine (EDA) was studied by combining dielectric relaxation
experiments and thermal investigations. The dielectric spectra of
the non-cross-linked copolymer show three dynamical processes: a slow
relaxation (α) and a faster (β), both dominated by the
MMA dynamics, and an even faster secondary relaxation (γ) reflecting
the AEMA dynamics. Already for low cross-linking densities, the γ
process is very much affected and eventually disappears, increasing
the cross-linking density. The secondary β relaxation however
was nearly unaffected by cross-linking. The effect of cross-linking
on the α relaxation was very pronounced with an important increasing
of the glass transition temperature Tg. There was also an increase of the dynamic heterogeneity and the
relaxation intensity when increasing the cross-linking density (up
to the maximum explored, 9 mol % EDA). The quality of the average
time scale and Tg value have similarities
in behavior for intra- and intermolecular cross-linking, but clear
differences in the dynamic heterogeneities where observed. These differences
can be interpreted in connection with the sparse internal structure
of the collapsed single chains obtained by intramolecular cross-linking.
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Affiliation(s)
- Soheil Sharifi
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
| | - Isabel Asenjo-Sanz
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
| | - José A. Pomposo
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
- IKERBASQUE-Basque Foundation for Science, Plaza de Euskadi 5, 48009 Bilbao, Spain
| | - Angel Alegria
- Centro de Física de Materiales (CSIC, UPV/EHU)-Materials Physics Center (MPC), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
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Calosi M, Guazzelli E, Braccini S, Lessi M, Bellina F, Galli G, Martinelli E. Self-Assembled Amphiphilic Fluorinated Random Copolymers for the Encapsulation and Release of the Hydrophobic Combretastatin A-4 Drug. Polymers (Basel) 2022; 14:polym14040774. [PMID: 35215686 PMCID: PMC8880340 DOI: 10.3390/polym14040774] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/03/2022] [Accepted: 02/12/2022] [Indexed: 02/07/2023] Open
Abstract
Water-soluble amphiphilic random copolymers composed of tri(ethylene glycol) methacrylate (TEGMA) or poly(ethylene glycol) methyl ether methacrylate (PEGMA) and perfluorohexylethyl acrylate (FA) were synthesized by ARGET-ATRP, and their self-assembling and thermoresponsive behavior in water was studied by dynamic light scattering (DLS) and UV-vis spectroscopy. The copolymer ability to self-fold in single-chain nano-sized structures (unimer micelles) in aqueous solutions was exploited to encapsulate Combretastatin A-4 (CA-4), which is a very hydrophobic anticancer drug. The cloud point temperature (Tcp) was found to linearly decrease with increasing drug concentration in the drug/copolymer system. Moreover, while CA-4 was preferentially incorporated into the unimer micelles of TEGMA-ran-FA, the drug was found to induce multi-chain, submicro-sized aggregation of PEGMA-ran-FA. Anyway, the encapsulation efficiency was very high (≥81%) for both copolymers. The drug release was evaluated in PBS aqueous solutions both below and above Tcp for TEGMA-ran-FA copolymer and below Tcp, but at two different drug loadings, for PEGMA-ran-FA copolymer. In any case, the release kinetics presented similar profiles, characterized by linear trends up to ≈10–13 h and ≈7 h for TEGMA-ran-FA and PEGMA-ran-FA, respectively. Then, the release rate decreased, reaching a plateau. The release from TEGMA-ran-FA was moderately faster above Tcp than below Tcp, suggesting that copolymer thermoresponsiveness increased the release rate, which occurred anyway by diffusion below Tcp. Cytotoxicity tests were carried out on copolymer solutions in a wide concentration range (5–60 mg/mL) at 37 °C by using Balb/3T3 clone A31 cells. Interestingly, it was found that the concentration-dependent micro-sized aggregation of the amphiphilic random copolymers above Tcp caused a sort of “cellular asphyxiation” with a loss of cell viability clearly visible for TEGMA-ran-FA solutions (Tcp below 37 °C) with higher copolymer concentrations. On the other hand, cells in contact with the analogous PEGMA-ran-FA (Tcp above 37 °C) presented a very good viability (≥75%) with respect to the control at any given concentration.
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35
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Chen X, Chen Z, Ma L, Yi Z. Multi-Stimuli-Responsive Polymer/Inorganic Janus Composite Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:422-429. [PMID: 34962810 DOI: 10.1021/acs.langmuir.1c02778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Multi-stimuli-responsive Janus composite nanoparticles (JNPs) of poly(N-isopropylacrylamide)-Fe3O4-poly(2-(dimethylamino)ethyl methacrylate)) (PNIPAM-Fe3O4-PDMEAMA) are synthesized by sequential reversible addition-fragmentation chain-transfer grafting of the polymer PNIPAM and atom-transfer radical polymerization grafting of the polymer PDMEAMA from the corresponding sides of modified Fe3O4 nanoparticles of ∼10 nm size. The hydrophilic/amphiphilic/hydrophobic reversible transition of the JNP can be triggered by pH and temperature since the wettability of the two polymers on the opposite sides is tunable accordingly. At a high pH value and a low surrounding temperature, applying near-infrared irradiation will induce the amphiphilic/hydrophobic transition owing to the photothermal effect of Fe3O4 NPs. The JNP can serve as a responsive solid emulsifier, and the stability and microstructure of the emulsions can be easily controlled by external stimuli such as the pH, temperature, and magnetic field.
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Affiliation(s)
- Xi Chen
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Zhuhai Fudan Innovation Institute, Zhuhai 518057, China
| | - Zhangyan Chen
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Li Ma
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Zhuhai Fudan Innovation Institute, Zhuhai 518057, China
| | - Zhengran Yi
- Zhuhai Fudan Innovation Institute, Zhuhai 518057, China
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36
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Deng L, Albertazzi L, Palmans ARA. Elucidating the Stability of Single-Chain Polymeric Nanoparticles in Biological Media and Living Cells. Biomacromolecules 2022; 23:326-338. [PMID: 34904821 PMCID: PMC8753603 DOI: 10.1021/acs.biomac.1c01291] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/12/2021] [Indexed: 11/29/2022]
Abstract
The controlled folding of synthetic polymer chains into single-chain polymeric nanoparticles (SCPNs) of defined size and shape in water is a viable way to create compartmentalized, nanometer-sized structures for a range of biological applications. Understanding the relationship between the polymer's microstructure and the stability of folded structures is crucial to achieving desired applications. Here, we introduce the solvatochromic dye Nile red into SCPNs and apply a combination of spectroscopic and microscopic techniques to relate polymer microstructure to nanoparticle stability in complex biological media and cellular environments. Our experimental data show that the polymer's microstructure has little effect on the stability of SCPNs in biological media and cytoplasm of living cells, but only SCPNs comprising supramolecular benzene-1,3,5-tricarboxamide (BTA) motifs showed good stability in lysosomes. The results indicate that the polymer's microstructure is vital to ensure nanoparticle stability in highly competitive environments: both hydrophobic collapse and a structured interior are required. Our study provides an accessible way of probing the stability of SCPNs in cellular environments and paves the way for designing highly stable SCPNs for efficient bio-orthogonal catalysis and sensing applications.
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Affiliation(s)
- Linlin Deng
- Laboratory
for Macromolecular and Organic Chemistry, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Lorenzo Albertazzi
- Molecular
Biosensing for Medical Diagnostics, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Laboratory
for Macromolecular and Organic Chemistry, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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37
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Chen X, Chen Z, Ma L. Multi-stimuli-responsive bottlebrush-colloid Janus nanoparticles toward emulsion interfacial manipulation and catalysis. Polym Chem 2022. [DOI: 10.1039/d1py01606g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multi-stimuli bottlebrush-colloid Janus nanoparticles (JNPs) display excellent activity for emulsion interface manipulation and emulsion interfacial catalysis of hydrogenation reactions.
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Affiliation(s)
- Xi Chen
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Zhuhai Fudan Innovation Institute, Zhuhai 518057, China
| | - Zhangyan Chen
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Li Ma
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Zhuhai Fudan Innovation Institute, Zhuhai 518057, China
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38
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Kalmer H, Sbordone F, Frisch H. Peptide based folding and function of single polymer chains. Polym Chem 2022. [DOI: 10.1039/d2py00717g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A modular synthetic strategy to fold single polymer chains upon deprotection of pendent cysteine terminal peptides is reported. The one step deprotection initiates both folding and catalytic activity of the macromolecular architectures.
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Affiliation(s)
- Henrik Kalmer
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Federica Sbordone
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Hendrik Frisch
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
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39
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Ribovski L, Hamelmann NM, Paulusse JMJ. Polymeric Nanoparticles Properties and Brain Delivery. Pharmaceutics 2021; 13:2045. [PMID: 34959326 PMCID: PMC8705716 DOI: 10.3390/pharmaceutics13122045] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 01/04/2023] Open
Abstract
Safe and reliable entry to the brain is essential for successful diagnosis and treatment of diseases, but it still poses major challenges. As a result, many therapeutic approaches to treating disorders associated with the central nervous system (CNS) still only show limited success. Nano-sized systems are being explored as drug carriers and show great improvements in the delivery of many therapeutics. The systemic delivery of nanoparticles (NPs) or nanocarriers (NCs) to the brain involves reaching the neurovascular unit (NVU), being transported across the blood-brain barrier, (BBB) and accumulating in the brain. Each of these steps can benefit from specifically controlled properties of NPs. Here, we discuss how brain delivery by NPs can benefit from careful design of the NP properties. Properties such as size, charge, shape, and ligand functionalization are commonly addressed in the literature; however, properties such as ligand density, linker length, avidity, protein corona, and stiffness are insufficiently discussed. This is unfortunate since they present great value against multiple barriers encountered by the NPs before reaching the brain, particularly the BBB. We further highlight important examples utilizing targeting ligands and how functionalization parameters, e.g., ligand density and ligand properties, can affect the success of the nano-based delivery system.
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Affiliation(s)
| | | | - Jos M. J. Paulusse
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (L.R.); (N.M.H.)
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40
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Hamelmann NM, Paats JWD, Paulusse JMJ. Cytosolic Delivery of Single-Chain Polymer Nanoparticles. ACS Macro Lett 2021; 10:1443-1449. [PMID: 35549017 DOI: 10.1021/acsmacrolett.1c00558] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cytosolic delivery of therapeutic agents is key to improving their efficacy, as the therapeutics are primarily active in specific organelles. Single-chain polymer nanoparticles (SCNPs) are a promising nanocarrier platform in biomedical applications due to their unique size range of 5-20 nm, modularity, and ease of functionalization. However, cytosolic delivery of SCNPs remains challenging. Here, we report the synthesis of active ester-functional SCNPs of approximately 10 nm via intramolecular thiol-Michael addition cross-linking and their functionalization with increasing amounts of tertiary amines 0 to 60 mol % to obtain SCNPs with increasing positive surface charges. No significant cytotoxicity was detected in bEND.3 cells for the SCNPs, except when SCNPs with high amounts of tertiary amines were incubated over prolonged periods of time at high concentrations. Cellular uptake of the SCNPs was analyzed, presenting different uptake behavior depending on the degree of functionalization. Confocal microscopy revealed successful cytosolic delivery of SCNPs with high degrees of functionalization (45%, 60%), while SCNPs with low amounts (0% to 30%) of tertiary amines showed high degrees of colocalization with lysosomes. This work presents a strategy to direct the intracellular location of SCNPs by controlled surface modification to improve intracellular targeting for biomedical applications.
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Affiliation(s)
- Naomi M. Hamelmann
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jan-Willem D. Paats
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jos M. J. Paulusse
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen,
P.O. Box 30.001, 9700 RB Groningen, The Netherlands
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41
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Biglione C, Neumann‐Tran TMP, Kanwal S, Klinger D. Amphiphilic micro‐ and nanogels: Combining properties from internal hydrogel networks, solid particles, and micellar aggregates. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210508] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Catalina Biglione
- Institute of Pharmacy (Pharmaceutical Chemistry) Freie Universität Berlin Berlin Germany
| | | | - Sidra Kanwal
- Institute of Pharmacy (Pharmaceutical Chemistry) Freie Universität Berlin Berlin Germany
| | - Daniel Klinger
- Institute of Pharmacy (Pharmaceutical Chemistry) Freie Universität Berlin Berlin Germany
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42
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Geiselhart CM, Mutlu H, Barner-Kowollik C. Passerini Multicomponent Reactions Enabling Self-Reporting Photosensitive Tetrazole Polymers. ACS Macro Lett 2021; 10:1159-1166. [PMID: 35549082 DOI: 10.1021/acsmacrolett.1c00280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We introduce the synthesis of photosensitive tetrazole monomers via Passerini multicomponent reactions (MCRs). We exploit the MCR's tolerance toward various functional groups under mild, catalyst-free conditions in a one-pot reaction setup to generate tetrazole-containing monomers featuring a methacrylic moiety, which enables their subsequent reversible addition-fragmentation chain transfer (RAFT) polymerization. By employing tetrazoles with either a 4-methoxy phenyl or a pyrene substituent, further modifications of the polymers in a wavelength-orthogonal, self-reporting fashion upon irradiation with either UV or visible light become possible.
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Affiliation(s)
- Christina M Geiselhart
- Soft Matter Synthesis Laboratory, Institute for Biological Interfaces 3, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.,Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Hatice Mutlu
- Soft Matter Synthesis Laboratory, Institute for Biological Interfaces 3, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.,Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Christopher Barner-Kowollik
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.,Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia.,School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
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43
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Guazzelli E, Masotti E, Calosi M, Kriechbaum M, Uhlig F, Galli G, Martinelli E. Single-chain folding and self-assembling of amphiphilic polyethyleneglycol-modified fluorinated styrene homopolymers in water solution. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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44
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Kobernik V, Phatake RS, Tzadikov J, Reany O, Lemcoff NG. Organometallic single-chain polymer nanoparticles via intra-chain cross-linking with dinuclear μ-halo(diene)Rh(I) complexes. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Formanek M, Rovigatti L, Zaccarelli E, Sciortino F, Moreno AJ. Gel Formation in Reversibly Cross-Linking Polymers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02670] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maud Formanek
- Centro de Física de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Sainsbury Laboratory, University of Cambridge, 47 Bateman Street, CB2 1LR Cambridge, U.K
| | - Lorenzo Rovigatti
- Dipartimento di Fisica, Università di Roma La Sapienza, Piazzale Aldo Moro 2, IT-00185 Roma, Italy
- CNR-ISC Uos Sapienza, Piazzale Aldo Moro 2, IT-00185 Roma, Italy
| | - Emanuela Zaccarelli
- Dipartimento di Fisica, Università di Roma La Sapienza, Piazzale Aldo Moro 2, IT-00185 Roma, Italy
- CNR-ISC Uos Sapienza, Piazzale Aldo Moro 2, IT-00185 Roma, Italy
| | - Francesco Sciortino
- Dipartimento di Fisica, Università di Roma La Sapienza, Piazzale Aldo Moro 2, IT-00185 Roma, Italy
| | - Angel J. Moreno
- Centro de Física de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 San Sebastián, Spain
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46
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Nishimura T, Fujii S, Sakurai K, Sasaki Y, Akiyoshi K. Manipulating the Morphology of Amphiphilic Graft-Copolymer Assemblies by Adjusting the Flexibility of the Main Chain. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Tomoki Nishimura
- Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan
| | - Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1, Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1, Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Yoshihiro Sasaki
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kazunari Akiyoshi
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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47
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Tran PHL, Tran TTD. The Use of Natural Materials in Film Coating for Controlled Oral Drug Release. Curr Med Chem 2021; 28:1829-1840. [PMID: 32164506 DOI: 10.2174/0929867327666200312113547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/30/2020] [Accepted: 02/18/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although synthetic materials have been used in film coating processes for drug delivery for many years, substantial studies on natural materials have also been conducted because of their biodegradable and unique properties. METHODS Because of the ability to form and modify films for controlled oral drug delivery, increasing attention has been shown to these materials in the design of film coating systems in recent research. RESULTS This review aims to provide an overview of natural materials focusing on film coating for oral delivery, specifically in terms of their classification and their combinations in film coating formulations for adjusting the desired properties for controlled drug delivery. CONCLUSIONS Discussing natural materials and their potential applications in film coating would benefit the optimization of processes and strategies for future utilization.
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Affiliation(s)
| | - Thao Truong-Dinh Tran
- Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam
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48
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Onco-Receptors Targeting in Lung Cancer via Application of Surface-Modified and Hybrid Nanoparticles: A Cross-Disciplinary Review. Processes (Basel) 2021. [DOI: 10.3390/pr9040621] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Lung cancer is among the most prevalent and leading causes of death worldwide. The major reason for high mortality is the late diagnosis of the disease, and in most cases, lung cancer is diagnosed at fourth stage in which the cancer has metastasized to almost all vital organs. The other reason for higher mortality is the uptake of the chemotherapeutic agents by the healthy cells, which in turn increases the chances of cytotoxicity to the healthy body cells. The complex pathophysiology of lung cancer provides various pathways to target the cancerous cells. In this regard, upregulated onco-receptors on the cell surface of tumor including epidermal growth factor receptor (EGFR), integrins, transferrin receptor (TFR), folate receptor (FR), cluster of differentiation 44 (CD44) receptor, etc. could be exploited for the inhibition of pathways and tumor-specific drug targeting. Further, cancer borne immunological targets like T-lymphocytes, myeloid-derived suppressor cells (MDSCs), tumor-associated macrophages (TAMs), and dendritic cells could serve as a target site to modulate tumor activity through targeting various surface-expressed receptors or interfering with immune cell-specific pathways. Hence, novel approaches are required for both the diagnosis and treatment of lung cancers. In this context, several researchers have employed various targeted delivery approaches to overcome the problems allied with the conventional diagnosis of and therapy methods used against lung cancer. Nanoparticles are cell nonspecific in biological systems, and may cause unwanted deleterious effects in the body. Therefore, nanodrug delivery systems (NDDSs) need further advancement to overcome the problem of toxicity in the treatment of lung cancer. Moreover, the route of nanomedicines’ delivery to lungs plays a vital role in localizing the drug concentration to target the lung cancer. Surface-modified nanoparticles and hybrid nanoparticles have a wide range of applications in the field of theranostics. This cross-disciplinary review summarizes the current knowledge of the pathways implicated in the different classes of lung cancer with an emphasis on the clinical implications of the increasing number of actionable molecular targets. Furthermore, it focuses specifically on the significance and emerging role of surface functionalized and hybrid nanomaterials as drug delivery systems through citing recent examples targeted at lung cancer treatment.
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Hoffmann JF, Roos AH, Schmitt FJ, Hinderberger D, Binder WH. Fluorescent and Water Dispersible Single-Chain Nanoparticles: Core-Shell Structured Compartmentation. Angew Chem Int Ed Engl 2021; 60:7820-7827. [PMID: 33373475 PMCID: PMC8048794 DOI: 10.1002/anie.202015179] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/13/2020] [Indexed: 12/20/2022]
Abstract
Single-chain nanoparticles (SCNPs) are highly versatile structures resembling proteins, able to function as catalysts or biomedical delivery systems. Based on their synthesis by single-chain collapse into nanoparticular systems, their internal structure is complex, resulting in nanosized domains preformed during the crosslinking process. In this study we present proof of such nanocompartments within SCNPs via a combination of electron paramagnetic resonance (EPR) and fluorescence spectroscopy. A novel strategy to encapsulate labels within these water dispersible SCNPs with hydrodynamic radii of ≈5 nm is presented, based on amphiphilic polymers with additional covalently bound labels, attached via the copper catalyzed azide/alkyne "click" reaction (CuAAC). A detailed profile of the interior of the SCNPs and the labels' microenvironment was obtained via electron paramagnetic resonance (EPR) experiments, followed by an assessment of their photophysical properties.
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Affiliation(s)
- Justus F Hoffmann
- Macromolecular Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, 06120, Halle, Germany
| | - Andreas H Roos
- Physical Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, 06120, Halle, Germany
| | - Franz-Josef Schmitt
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, 06120, Halle, Germany
| | - Dariush Hinderberger
- Physical Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, 06120, Halle, Germany
| | - Wolfgang H Binder
- Macromolecular Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, 06120, Halle, Germany
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50
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Hoffmann JF, Roos AH, Schmitt F, Hinderberger D, Binder WH. Fluorescent and Water Dispersible Single‐Chain Nanoparticles: Core–Shell Structured Compartmentation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Justus F. Hoffmann
- Macromolecular Chemistry Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics) Martin Luther University Halle-Wittenberg von-Danckelmann-Platz 4 06120 Halle Germany
| | - Andreas H. Roos
- Physical Chemistry Institute of Chemistry Faculty of Natural Science II (Chemistry, Physics and Mathematics) Martin Luther University Halle-Wittenberg von-Danckelmann-Platz 4 06120 Halle Germany
| | - Franz‐Josef Schmitt
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics) Martin Luther University Halle-Wittenberg von-Danckelmann-Platz 3 06120 Halle Germany
| | - Dariush Hinderberger
- Physical Chemistry Institute of Chemistry Faculty of Natural Science II (Chemistry, Physics and Mathematics) Martin Luther University Halle-Wittenberg von-Danckelmann-Platz 4 06120 Halle Germany
| | - Wolfgang H. Binder
- Macromolecular Chemistry Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics) Martin Luther University Halle-Wittenberg von-Danckelmann-Platz 4 06120 Halle Germany
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