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Gil N, Thomas C, Mhanna R, Mauriello J, Maury R, Leuschel B, Malval JP, Clément JL, Gigmes D, Lefay C, Soppera O, Guillaneuf Y. Thionolactone as a Resin Additive to Prepare (Bio)degradable 3D Objects via VAT Photopolymerization. Angew Chem Int Ed Engl 2022; 61:e202117700. [PMID: 35128770 DOI: 10.1002/anie.202117700] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Indexed: 12/22/2022]
Abstract
Three-dimensional (3D) printing and especially VAT photopolymerization leads to cross-linked materials with high thermal, chemical, and mechanical stability. Nevertheless, these properties are incompatible with requirements of degradability and re/upcyclability. We show here that thionolactone and in particular dibenzo[c,e]-oxepane-5-thione (DOT) can be used as an additive (2 wt %) to acrylate-based resins to introduce weak bonds into the network via a radical ring-opening polymerization process. The low amount of additive makes it possible to modify the printability of the resin only slightly, keep its resolution intact, and maintain the mechanical properties of the 3D object. The resin with additive was used in UV microfabrication and two-photon stereolithography setups and commercial 3D printers. The fabricated objects were shown to degrade in basic solvent as well in a homemade compost. The rate of degradation is nonetheless dependent on the size of the object. This feature was used to prepare 3D objects with support structures that could be easily solubilized.
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Affiliation(s)
- Noémie Gil
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Constance Thomas
- Université de Haute-Alsace CNRS, IS2M UMR 7361, 68100, Mulhouse, France.,Université de Strasbourg, Strasbourg, France
| | - Rana Mhanna
- Université de Haute-Alsace CNRS, IS2M UMR 7361, 68100, Mulhouse, France.,Université de Strasbourg, Strasbourg, France
| | - Jessica Mauriello
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Romain Maury
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Benjamin Leuschel
- Université de Haute-Alsace CNRS, IS2M UMR 7361, 68100, Mulhouse, France.,Université de Strasbourg, Strasbourg, France
| | - Jean-Pierre Malval
- Université de Haute-Alsace CNRS, IS2M UMR 7361, 68100, Mulhouse, France.,Université de Strasbourg, Strasbourg, France
| | - Jean-Louis Clément
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Didier Gigmes
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Catherine Lefay
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
| | - Olivier Soppera
- Université de Haute-Alsace CNRS, IS2M UMR 7361, 68100, Mulhouse, France.,Université de Strasbourg, Strasbourg, France
| | - Yohann Guillaneuf
- Aix-Marseille Univ., CNRS, Institut de Chimie Radicalaire (UMR 7273), Av. Esc. Normendie-Niemen, Case 542, 13397, Cedex 20, France
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Gil N, Thomas C, Mhanna R, Mauriello J, Maury R, Leuschel B, Malval J, Clément J, Gigmes D, Lefay C, Soppera O, Guillaneuf Y. Thionolactone as a Resin Additive to Prepare (Bio)degradable 3D Objects via VAT Photopolymerization**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Noémie Gil
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Constance Thomas
- Université de Haute-Alsace CNRS IS2M UMR 7361 68100 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Rana Mhanna
- Université de Haute-Alsace CNRS IS2M UMR 7361 68100 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Jessica Mauriello
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Romain Maury
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Benjamin Leuschel
- Université de Haute-Alsace CNRS IS2M UMR 7361 68100 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Jean‐Pierre Malval
- Université de Haute-Alsace CNRS IS2M UMR 7361 68100 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Jean‐Louis Clément
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Didier Gigmes
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Catherine Lefay
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
| | - Olivier Soppera
- Université de Haute-Alsace CNRS IS2M UMR 7361 68100 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Yohann Guillaneuf
- Aix-Marseille Univ. CNRS, Institut de Chimie Radicalaire (UMR 7273) Av. Esc. Normendie-Niemen, Case 542 13397 Cedex 20 France
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Alameda BM, Murphy JS, Barea-López BL, Knox KD, Sisemore JD, Patton DL. Hydrolyzable Poly(β-Thioether Ester Ketal) Thermosets via Acyclic Ketal Monomers. Macromol Rapid Commun 2022; 43:e2200028. [PMID: 35146833 DOI: 10.1002/marc.202200028] [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: 01/13/2022] [Revised: 02/02/2022] [Indexed: 11/09/2022]
Abstract
Hydrolytically degradable poly(β-thioether ester ketal) thermosets are synthesized via radical-mediated thiol-ene photopolymerization using three novel dialkene acyclic ketal monomers and a mercaptopropionate based tetrafunctional thiol. For all thermoset compositions investigated, degradation behavior is highly tunable based on the structure of the incorporated ketal and pH. Complete degradation of the thermosets is observed upon exposure to acidic and neutral pH, and under high humidity conditions. Polymer networks comprised of crosslink junctions based on acyclic dimethyl ketals degrade the quickest, whereas networks containing acyclic cyclohexyl ketals undergo hydrolytic degradation on a longer timescale. Thermomechanical analysis revealed low glass transition temperatures and moduli typical of thioether-based thermosets. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Benjamin M Alameda
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
| | - J Scott Murphy
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
| | - Bernardo L Barea-López
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
| | - Karly D Knox
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
| | - Jonathan D Sisemore
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
| | - Derek L Patton
- School of Polymer Science and Engineering, University of Southern Mississippi, 118 College Drive #5050, Hattiesburg, MS, 39406, USA
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Kretzer C, Shkodra B, Klemm P, Jordan PM, Schröder D, Cinar G, Vollrath A, Schubert S, Nischang I, Hoeppener S, Stumpf S, Banoglu E, Gladigau F, Bilancia R, Rossi A, Eggeling C, Neugebauer U, Schubert US, Werz O. Ethoxy acetalated dextran-based nanocarriers accomplish efficient inhibition of leukotriene formation by a novel FLAP antagonist in human leukocytes and blood. Cell Mol Life Sci 2021; 79:40. [PMID: 34971430 PMCID: PMC8966466 DOI: 10.1007/s00018-021-04039-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/08/2021] [Accepted: 11/12/2021] [Indexed: 12/13/2022]
Abstract
Leukotrienes are pro-inflammatory lipid mediators generated by 5-lipoxygenase aided by the 5-lipoxygenase-activating protein (FLAP). BRP-201, a novel benzimidazole-based FLAP antagonist, inhibits leukotriene biosynthesis in isolated leukocytes. However, like other FLAP antagonists, BRP-201 fails to effectively suppress leukotriene formation in blood, which limits its therapeutic value. Here, we describe the encapsulation of BRP-201 into poly(lactide-co-glycolide) (PLGA) and ethoxy acetalated dextran (Ace-DEX) nanoparticles (NPs), aiming to overcome these detrimental pharmacokinetic limitations and to enhance the bioactivity of BRP-201. NPs loaded with BRP-201 were produced via nanoprecipitation and the physicochemical properties of the NPs were analyzed in-depth using dynamic light scattering (size, dispersity, degradation), electrophoretic light scattering (effective charge), NP tracking analysis (size, dispersity), scanning electron microscopy (size and morphology), UV-VIS spectroscopy (drug loading), an analytical ultracentrifuge (drug release, degradation kinetics), and Raman spectroscopy (chemical attributes). Biological assays were performed to study cytotoxicity, cellular uptake, and efficiency of BRP-201-loaded NPs versus free BRP-201 to suppress leukotriene formation in primary human leukocytes and whole blood. Both PLGA- and Ace-DEX-based NPs were significantly more efficient to inhibit leukotriene formation in neutrophils versus free drug. Whole blood experiments revealed that encapsulation of BRP-201 into Ace-DEX NPs strongly increases its potency, especially upon pro-longed (≥ 5 h) incubations and upon lipopolysaccharide-challenge of blood. Finally, intravenous injection of BRP-201-loaded NPs significantly suppressed leukotriene levels in blood of mice in vivo. These results reveal the feasibility of our pharmacological approach using a novel FLAP antagonist encapsulated into Ace-DEX-based NPs with improved efficiency in blood to suppress leukotriene biosynthesis.
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Affiliation(s)
- Christian Kretzer
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, Philosophenweg 14, 07743, Jena, Germany
| | - Blerina Shkodra
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Paul Klemm
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Paul M Jordan
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, Philosophenweg 14, 07743, Jena, Germany
| | - Daniel Schröder
- Institute of Applied Optics and Biophysics, Friedrich Schiller University Jena, Max-Wien Platz 1, 07743, Jena, Germany
| | - Gizem Cinar
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Antje Vollrath
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Stephanie Schubert
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy, Friedrich Schiller University Jena, Lessingstraße 8, 07743, Jena, Germany
| | - Ivo Nischang
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Steffi Stumpf
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
| | - Erden Banoglu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, Etiler, Yenimahalle, Ankara, 06330, Turkey
| | - Frederike Gladigau
- Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany
- Center for Sepsis Control and Care, Jena University Hospital, 07747, Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Helmholtzweg 4, 07743, Jena, Germany
| | - Rossella Bilancia
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Via D. Montesano 49, 80131, Naples, Italy
| | - Antonietta Rossi
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Via D. Montesano 49, 80131, Naples, Italy
| | - Christian Eggeling
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
- Institute of Applied Optics and Biophysics, Friedrich Schiller University Jena, Max-Wien Platz 1, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Headley Way, Oxford, OX39DS, UK
| | - Ute Neugebauer
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany
- Center for Sepsis Control and Care, Jena University Hospital, 07747, Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Helmholtzweg 4, 07743, Jena, Germany
| | - Ulrich S Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743, Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany.
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, Philosophenweg 14, 07743, Jena, Germany.
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743, Jena, Germany.
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