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Szerlauth A, Varga Á, Madácsy T, Sebők D, Bashiri S, Skwarczynski M, Toth I, Maléth J, Szilagyi I. Confinement of Triple-Enzyme-Involved Antioxidant Cascade in Two-Dimensional Nanostructure. ACS MATERIALS LETTERS 2023; 5:565-573. [PMID: 36776691 PMCID: PMC9906813 DOI: 10.1021/acsmaterialslett.2c00580] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Application of antioxidant enzymes in medical or industrial processes is limited due to their high sensitivity to environmental conditions. Incorporation of such enzymes in nanostructures provides a promising route to obtain highly efficient and robust biocatalytic system to scavenge reactive oxygen species (ROS). Here, this question was addressed by confinement of superoxide dismutase (SOD), horseradish peroxidase (HRP), and catalase (CAT) enzymes into nanostructures containing polyelectrolyte building blocks (alginate (Alg) and trimethyl chitosan (TMC)) and delaminated layered double hydroxide (dLDH) nanoparticle support. The nanocomposite possessed excellent structural and colloidal stability, while antioxidant tests revealed that the enzymes remained active upon immobilization and the developed composite greatly reduced intracellular oxidative stress in two-dimensional cell cultures. Moreover, it effectively prevented hydrogen peroxide-induced double stranded DNA breaks, which is a common consequence of oxidative stress. The results provide important tools to design complex nanostructures with multienzymatic antioxidant activities for ROS scavenging.
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Affiliation(s)
- Adel Szerlauth
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Centre, University of Szeged, H-6720 Szeged, Hungary
| | - Árpád Varga
- MTA-SZTE
Lendület Epithelial Cell Signaling and Secretion Research Group,
Interdisciplinary Excellence Centre, University
of Szeged, H-6720 Szeged, Hungary
| | - Tamara Madácsy
- MTA-SZTE
Lendület Epithelial Cell Signaling and Secretion Research Group,
Interdisciplinary Excellence Centre, University
of Szeged, H-6720 Szeged, Hungary
| | - Dániel Sebők
- Department
of Applied and Environmental Chemistry, University of Szeged, H-6720 Szeged, Hungary
| | - Sahra Bashiri
- School
of Chemistry and Molecular Biosciences, University of Queensland, QLD-4072 St. Lucia, Australia
| | - Mariusz Skwarczynski
- School
of Chemistry and Molecular Biosciences, University of Queensland, QLD-4072 St. Lucia, Australia
| | - Istvan Toth
- School
of Chemistry and Molecular Biosciences, University of Queensland, QLD-4072 St. Lucia, Australia
| | - József Maléth
- MTA-SZTE
Lendület Epithelial Cell Signaling and Secretion Research Group,
Interdisciplinary Excellence Centre, University
of Szeged, H-6720 Szeged, Hungary
| | - Istvan Szilagyi
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Centre, University of Szeged, H-6720 Szeged, Hungary
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2
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Surface modification of two-dimensional layered double hydroxide nanoparticles with biopolymers for biomedical applications. Adv Drug Deliv Rev 2022; 191:114590. [PMID: 36341860 DOI: 10.1016/j.addr.2022.114590] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 05/24/2022] [Accepted: 10/25/2022] [Indexed: 01/24/2023]
Abstract
Layered double hydroxides (LDHs) are appealing nanomaterials for (bio)medical applications and their potential is threefold. One can gain advantage of the structure of LDH frame (i.e., layered morphology), anion exchanging property towards drugs with acidic character and tendency for facile surface modification with biopolymers. This review focuses on the third aspect, as it is necessary to evaluate the advantages of polymer adsorption on LDH surfaces. Beside the short discussion on fundamental and structural features of LDHs, LDH-biopolymer interactions will be classified in terms of the effect on the colloidal stability of the dispersions. Thereafter, an overview on the biocompatibility and biomedical applications of LDH-biopolymer composite materials will be given. Finally, the advances made in the field will be summarized and future research directions will be suggested.
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3
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Kankala RK. Nanoarchitectured two-dimensional layered double hydroxides-based nanocomposites for biomedical applications. Adv Drug Deliv Rev 2022; 186:114270. [PMID: 35421521 DOI: 10.1016/j.addr.2022.114270] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/14/2022] [Accepted: 04/04/2022] [Indexed: 12/14/2022]
Abstract
Despite the exceptional physicochemical and morphological characteristics, the pristine layered double hydroxides (LDHs), or two-dimensional (2D) hydrotalcite clays, often suffer from various shortcomings in biomedicine, such as deprived thermal and chemical stabilities, acid-prone degradation, as well as lack of targeting ability, hampering their scale-up and subsequent clinical translation. Accordingly, diverse nanocomposites of LDHs have been fabricated by surface coating of organic species, impregnation of inorganic species, and generation of core-shell architectures, resulting in the complex state-of-the-art architectures. In this article, we initially emphasize various bothering limitations and the chemistry of these pristine LDHs, followed by discussions on the engineering strategies of different LDHs-based nanocomposites. Further, we give a detailed note on diverse LDH nanocomposites and their performance efficacy in various biomedical applications, such as drug delivery, bioimaging, biosensing, tissue engineering and cell patterning, deoxyribonucleic acid (DNA) extraction, as well as photoluminescence, highlighting the influence of various properties of installed supramolecular assemblies on their performance efficacy. In summary, we conclude with interesting perspectives concerning the lessons learned to date and the strategies to be followed to further advance their scale-up processing and applicability in medicine.
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Moustafa A, Perbandt M, Liebau E, Betzel C, Falke S. Crystal structure of an extracellular superoxide dismutase from Onchocerca volvulus and implications for parasite-specific drug development. Acta Crystallogr F Struct Biol Commun 2022; 78:232-240. [PMID: 35647680 PMCID: PMC9158661 DOI: 10.1107/s2053230x22005350] [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: 04/05/2022] [Accepted: 05/19/2022] [Indexed: 11/17/2022] Open
Abstract
An extracellular Cu/Zn superoxide dismutase from Onchocerca volvulus, the causative agent of human onchocerciasis, was purified and crystallized and the structure was solved at 1.55 Å resolution. The solution structure of the dimeric protein was verified using small-angle X-ray scattering. Initial docking studies utilizing previously identified superoxide dismutase inhibitors indicate the potential for future drug development targeting structural features outside the active site. Superoxide dismutases (SODs) are metalloproteins that are responsible for the dismutation of superoxide anion radicals. SODs are consequently protective against oxidative damage to cellular components. Among other protective mechanisms, the filarial parasite Onchocerca volvulus has a well developed defense system to scavenge toxic free radicals using SODs during migration and sojourning of the microfilariae and adult worms in the human body. O. volvulus is responsible for the neglected disease onchocerciasis or ‘river blindness’. In the present study, an extracellular Cu/Zn-SOD from O. volvulus (OvEC-SOD) was cloned, purified and crystallized to obtain structural insight into an attractive drug target with the potential to combat onchocerciasis. The recombinant OvEC-SOD forms a dimer and the protein structure was solved and refined to 1.55 Å resolution by X-ray crystallography. Interestingly, a sulfate ion supports the coordination of the conserved copper ion. The overall protein shape was verified by small-angle X-ray scattering. The enzyme shows a different surface charge distribution and different termini when compared with the homologous human SOD. A distinct hydrophobic cleft to which both protomers of the dimer contribute was utilized for a docking approach with compounds that have previously been identified as SOD inhibitors to highlight the potential for individual structure-based drug development.
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Ade C, Qian X, Brodszkij E, De Dios Andres P, Spanjers J, Westensee IN, Städler B. Polymer Micelles vs Polymer-Lipid Hybrid Vesicles: A Comparison Using RAW 264.7 Cells. Biomacromolecules 2022; 23:1052-1064. [PMID: 35020375 PMCID: PMC8924860 DOI: 10.1021/acs.biomac.1c01403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Bottom-up synthetic biology aims to integrate artificial moieties with living cells and tissues. Here, two types of structural scaffolds for artificial organelles were compared in terms of their ability to interact with macrophage-like murine RAW 264.7 cells. The amphiphilic block copolymer poly(cholesteryl methacrylate)-block-poly(2-carboxyethyl acrylate) was used to assemble micelles and polymer-lipid hybrid vesicles together with 1,2-dioleoyl-sn-glycero-3-phosphocholine or 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) lipids in the latter case. In addition, the pH-sensitive fusogenic peptide GALA was conjugated to the carriers to improve their lysosomal escape ability. All assemblies had low short-term toxicity toward macrophage-like murine RAW 264.7 cells, and the cells internalized both the micelles and hybrid vesicles within 24 h. Assemblies containing DOPE lipids or GALA in their building blocks could escape the lysosomes. However, the intracellular retention of the building blocks was only a few hours in all the cases. Taken together, the provided comparison between two types of potential scaffolds for artificial organelles lays out the fundamental understanding required to advance soft material-based assemblies as intracellular nanoreactors.
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Affiliation(s)
- Carina Ade
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Xiaomin Qian
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Edit Brodszkij
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Paula De Dios Andres
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Järvi Spanjers
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Isabella N Westensee
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
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Sáringer S, Valtner T, Varga Á, Maléth J, Szilágyi I. Development of polymer-based multifunctional composite particles of protease and peroxidase activities. J Mater Chem B 2021; 10:2523-2533. [PMID: 34757359 DOI: 10.1039/d1tb01861b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A hybrid material (SL-PPN-HEP-HRP) of dual enzyme function was prepared by co-immobilization of papain (PPN) and horseradish peroxidase (HRP) on sulphate latex (SL) microspheres using heparin (HEP) polyelectrolyte as a building block in the sequential adsorption method. The doses of PPN, HEP and HRP were optimized in each step of the preparation process to achieve high functional and colloidal stability. The enzymes and the polyelectrolyte strongly adsorbed on the oppositely charged surfaces via electrostatic forces, and enzyme leakage was not observed from the hybrid material, as confirmed by colorimetric protein tests and microscopy measurements. It was found that the polyelectrolyte acted as a separator between PPN and HRP to prevent hydrolytic attack on the latter enzyme, which otherwise prevents the joint use of these important biocatalysts. Excellent colloidal stability was obtained for the SL-PPN-HEP-HRP composite and the embedded PPN and HRP showed remarkable protease and peroxidase activities, respectively, at least until five days after preparation. The present results offer a promising approach to develop biocatalytic systems of dual function, which are often required in manufacturing processes in the food industry, where the colloidal stability of such multifunctional materials is a key parameter to achieve remarkable efficiency.
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Affiliation(s)
- Szilárd Sáringer
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
| | - Tamás Valtner
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
| | - Árpád Varga
- HAS-USZ Momentum Epithelial Cell Signaling and Secretion Research Group and HCEMM-SZTE Molecular Gastroenterology Research Group, Department of Medicine, University of Szeged, H-6720 Szeged, Hungary
| | - József Maléth
- HAS-USZ Momentum Epithelial Cell Signaling and Secretion Research Group and HCEMM-SZTE Molecular Gastroenterology Research Group, Department of Medicine, University of Szeged, H-6720 Szeged, Hungary
| | - István Szilágyi
- MTA-SZTE Lendület Biocolloids Research Group, Interdisciplinary Excellence Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
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Iwasaki M, Yoshimoto M. Confinement of Metalloenzymes in PEGylated Liposomes to Formulate Colloidal Catalysts for Antioxidant Cascade. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10624-10635. [PMID: 34431680 DOI: 10.1021/acs.langmuir.1c02042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Antioxidant cascade reactions detoxifying reactive oxygen species are of significance to control oxidative stresses-triggered diseases. In the present work, the antioxidant catalysts were prepared through the confinement of dual metalloenzymes in liposomes. The amino groups of superoxide dismutase (SOD) were conjugated to the carboxyl groups-bearing liposomes encapsulated with the catalase (CAT) to formulate a spatially organized antioxidant reaction network. The activity of SOD and CAT in the liposomal system was evaluated in detail on the basis of the prolonged xanthine oxidase/xanthine reaction producing superoxide anion radicals (O2̇-) and hydrogen peroxide (H2O2) coupled with redox reactions of cytochrome c. The liposome-confined SOD and CAT molecules were clearly demonstrated to catalyze the sequential disproportionation of O2̇- and H2O2 at 25 °C in a potassium phosphate buffer solution (pH = 7.8) under moderate transfer resistance with respect to the intermediate product (H2O2) within the liposomes. Furthermore, the liposomal catalysts were modified with the poly(ethylene glycol) (PEG)-conjugated lipids with the molecular mass of the PEG moiety of about 5000 through the post-PEGylation approach. The mean hydrodynamic diameter of the PEGylated liposomal catalysts was 140-150 nm. The dual enzyme activity in liposomes and the thermal stability of the encapsulated CAT were practically unaffected by the PEGylation. The above liposome-based antioxidant catalysts are highly biocompatible, PEG-modifiable, and reactive, thereby making the catalysts potentially applicable to therapeutic materials exhibiting functionality similar to cellular peroxisomes.
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Affiliation(s)
- Masataka Iwasaki
- Department of Applied Chemistry, Yamaguchi University, Tokiwadai 2-16-1, Ube 755-8611, Japan
| | - Makoto Yoshimoto
- Department of Applied Chemistry, Yamaguchi University, Tokiwadai 2-16-1, Ube 755-8611, Japan
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Mujica ML, Sotomayor‐Santander I, Hermosilla‐Ibáñez P, Oyarzun‐Ampuero F, Rodríguez MC, Rivas GA, Venegas‐Yazigi D, Bollo S. MWCNT‐Organoimido Polyoxomolybdate Hybrid Material: Analytical Applications for Amperometric Sensing of Hydrogen Peroxide. ELECTROANAL 2021. [DOI: 10.1002/elan.202100149] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Michael López Mujica
- INFIQC-CONICET Departamento de Fisicoquímica Facultad de Ciencias Químicas Universidad Nacional de Córdoba Ciudad Universitaria. 5000 Córdoba Argentina
| | - Ilania Sotomayor‐Santander
- Departamento de Química de los Materiales Facultad de Química y Biología University of Santiago of Chile (USACH) Department of Chemistry of Materials Chile
- University of Santiago of Chile (USACH) Center for the Development of Nanoscience and Nanotechnology, CEDENNA Chile
| | - Patricio Hermosilla‐Ibáñez
- Departamento de Química de los Materiales Facultad de Química y Biología University of Santiago of Chile (USACH) Department of Chemistry of Materials Chile
- University of Santiago of Chile (USACH) Center for the Development of Nanoscience and Nanotechnology, CEDENNA Chile
| | - Felipe Oyarzun‐Ampuero
- Advanced Center for Chronic Diseases (ACCDiS). Facultad de Ciencias Químicas y Farmacéuticas Universidad de Chile Santiago Chile
- Departamento de Ciencias y Tecnología Farmacéutica, Facultad de Ciencias Químicas y Farmacéuticas Universidad de Chile
| | - Marcela C. Rodríguez
- INFIQC-CONICET Departamento de Fisicoquímica Facultad de Ciencias Químicas Universidad Nacional de Córdoba Ciudad Universitaria. 5000 Córdoba Argentina
| | - Gustavo A. Rivas
- INFIQC-CONICET Departamento de Fisicoquímica Facultad de Ciencias Químicas Universidad Nacional de Córdoba Ciudad Universitaria. 5000 Córdoba Argentina
| | - Diego Venegas‐Yazigi
- Departamento de Química de los Materiales Facultad de Química y Biología University of Santiago of Chile (USACH) Department of Chemistry of Materials Chile
- University of Santiago of Chile (USACH) Center for the Development of Nanoscience and Nanotechnology, CEDENNA Chile
| | - Soledad Bollo
- Advanced Center for Chronic Diseases (ACCDiS). Facultad de Ciencias Químicas y Farmacéuticas Universidad de Chile Santiago Chile
- CIPRex Centro de Investigación de los Procesos Redox Facultad de Ciencias Químicas y Farmacéuticas Universidad de Chile Santiago Chile
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Adamczyk Z, Batys P, Płaziński W, Morga M, Lupa D, Michna A. Macroion molecule properties from slender body hydrodynamics. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zbigniew Adamczyk
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
| | - Piotr Batys
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
| | - Wojciech Płaziński
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
| | - Maria Morga
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
| | - Dawid Lupa
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
| | - Aneta Michna
- Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Krakow Poland
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