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UMAOH Calcium Phosphate Coatings Designed for Drug Delivery: Vancomycin, 5-Fluorouracil, Interferon α-2b Case. MATERIALS 2022; 15:ma15134643. [PMID: 35806777 PMCID: PMC9267872 DOI: 10.3390/ma15134643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 12/10/2022]
Abstract
Drug delivery systems based on calcium phosphate (CaP) coatings have been recently recognized as beneficial drug delivery systems in complex cases of bone diseases for admission of drugs in the localized area, simultaneously inducing osteoinduction because of the bioavailable Ca and P ions. However, micro-arc oxidation (MAO) deposition of CaP does not allow for the formation of a coating with sufficient interconnected porosity for drug delivery purposes. Here, we report on the method to deposit CaP-based coatings using a new hybrid ultrasound-assisted MAO (UMAOH) method for deposition of coatings for drug delivery that could carry various types of drugs, such as cytostatic, antibacterial, or immunomodulatory compositions. Application of UMAOH resulted in coatings with an Ra roughness equal to 3.5 µm, a thickness of 50–55 µm, and a combination of high values of internal and surface porosity, 39 and 28%, respectively. The coating is represented by the monetite phase that is distributed in the matrix of amorphous CaP. Optimal conditions of coating deposition have been determined and used for drug delivery by impregnation with Vancomycin, 5-Fluorouracil, and Interferon-α-2b. Cytotoxicity and antimicrobial activity of the manufactured drug-carrying coatings have been studied using the three different cell lines and methicillin-resistant S. aureus.
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Mantz A, Rosenthal A, Farris E, Kozisek T, Bittrich E, Nazari S, Schubert E, Schubert M, Stamm M, Uhlmann P, Pannier AK. Free Polyethylenimine Enhances Substrate-Mediated Gene Delivery on Titanium Substrates Modified With RGD-Functionalized Poly(acrylic acid) Brushes. Front Chem 2019; 7:51. [PMID: 30792979 PMCID: PMC6374293 DOI: 10.3389/fchem.2019.00051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/18/2019] [Indexed: 01/08/2023] Open
Abstract
Substrate mediated gene delivery (SMD) is a method of immobilizing DNA complexes to a substrate via covalent attachment or nonspecific adsorption, which allows for increased transgene expression with less DNA compared to traditional bolus delivery. It may also increase cells receptivity to transfection via cell-material interactions. Substrate modifications with poly(acrylic) acid (PAA) brushes may improve SMD by enhancing substrate interactions with DNA complexes via tailored surface chemistry and increasing cellular adhesion via moieties covalently bound to the brushes. Previously, we described a simple method to graft PAA brushes to Ti and further demonstrated conjugation of cell adhesion peptides (i.e., RGD) to the PAA brushes to improve biocompatibility. The objective of this work was to investigate the ability of Ti substrates modified with PAA-RGD brushes (PAA-RGD) to immobilize complexes composed of branched polyethyleneimine and DNA plasmids (bPEI-DNA) and support SMD in NIH/3T3 fibroblasts. Transfection in NIH/3T3 cells cultured on bPEI-DNA complexes immobilized onto PAA-RGD substrates was measured and compared to transfection in cells cultured on control surfaces with immobilized complexes including Flat Ti, PAA brushes modified with a control peptide (RGE), and unmodified PAA. Transfection was two-fold higher in cells cultured on PAA-RGD compared to those cultured on all control substrates. While DNA immobilization measured with radiolabeled DNA indicated that all substrates (PAA-RGD, unmodified PAA, Flat Ti) contained nearly equivalent amounts of loaded DNA, ellipsometric measurements showed that more total mass (i.e., DNA and bPEI, both complexed and free) was immobilized to PAA and PAA-RGD compared to Flat Ti. The increase in adsorbed mass may be attributed to free bPEI, which has been shown to improve transfection. Further transfection investigations showed that removing free bPEI from the immobilized complexes decreased SMD transfection and negated any differences in transfection success between cells cultured on PAA-RGD and on control substrates, suggesting that free bPEI may be beneficial for SMD in cells cultured on bPEI-DNA complexes immobilized on PAA-RGD grafted to Ti. This work demonstrates that substrate modification with PAA-RGD is a feasible method to enhance SMD outcomes on Ti and may be used for future applications such as tissue engineering, gene therapy, and diagnostics.
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Affiliation(s)
- Amy Mantz
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
- Center for Nanohybrid Functional Materials, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Alice Rosenthal
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
- Institute of Polymeric Materials, Technische Universität Dresden, Dresden, Germany
| | - Eric Farris
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Tyler Kozisek
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Eva Bittrich
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
| | - Saghar Nazari
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
| | - Eva Schubert
- Center for Nanohybrid Functional Materials, University of Nebraska-Lincoln, Lincoln, NE, United States
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Mathias Schubert
- Center for Nanohybrid Functional Materials, University of Nebraska-Lincoln, Lincoln, NE, United States
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
- Department of Physics, Chemistry, and Biology, Linkoping University, Linkoping, Sweden
- Terahertz Materials Analysis Center (THeMAC), Linkoping University, Linkoping, Sweden
| | - Manfred Stamm
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
- Institute of Polymeric Materials, Technische Universität Dresden, Dresden, Germany
| | - Petra Uhlmann
- Leibniz-Institut für Polymerforschung Dresden e.V., Dresden, Germany
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Angela K. Pannier
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, United States
- Center for Nanohybrid Functional Materials, University of Nebraska-Lincoln, Lincoln, NE, United States
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Mantz A, Pannier AK. Biomaterial substrate modifications that influence cell-material interactions to prime cellular responses to nonviral gene delivery. Exp Biol Med (Maywood) 2019; 244:100-113. [PMID: 30621454 PMCID: PMC6405826 DOI: 10.1177/1535370218821060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
IMPACT STATEMENT This review summarizes how biomaterial substrate modifications (e.g. chemical modifications like natural coatings, ligands, or functional side groups, and/or physical modifications such as topography or stiffness) can prime the cellular response to nonviral gene delivery (e.g. affecting integrin binding and focal adhesion formation, cytoskeletal remodeling, endocytic mechanisms, and intracellular trafficking), to aid in improving gene delivery for applications where a cell-material interface might exist (e.g. tissue engineering scaffolds, medical implants and devices, sensors and diagnostics, wound dressings).
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Affiliation(s)
- Amy Mantz
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
| | - Angela K Pannier
- Department of Biological Systems Engineering,
University
of Nebraska-Lincoln, Lincoln, NE 68583,
USA
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Zeng SQ, Chen YZ, Chen Y, Liu H. Lipid–polymer hybrid nanoparticles for synergistic drug delivery to overcome cancer drug resistance. NEW J CHEM 2017. [DOI: 10.1039/c6nj02819e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Co-delivery of a chemotherapeutic drug and a drug resistance inhibitor by lipid–polymer hybrid nanoparticles can effectively overcome tumor drug resistance.
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Affiliation(s)
- Shao-Qi Zeng
- Key Laboratory of Biotechnology of Chinese Traditional Medicine of Hubei Province
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources
- College of Life Sciences
- Hubei University
- Wuhan 430062
| | - Yi-Zhen Chen
- Key Laboratory of Biotechnology of Chinese Traditional Medicine of Hubei Province
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources
- College of Life Sciences
- Hubei University
- Wuhan 430062
| | - Yong Chen
- Key Laboratory of Biotechnology of Chinese Traditional Medicine of Hubei Province
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources
- College of Life Sciences
- Hubei University
- Wuhan 430062
| | - Hong Liu
- Key Laboratory of Biotechnology of Chinese Traditional Medicine of Hubei Province
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources
- College of Life Sciences
- Hubei University
- Wuhan 430062
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Kong X, Xu S, Wang X, Cui F, Yao J. Calcium carbonate microparticles used as a gene vector for delivering p53 gene into cancer cells. J Biomed Mater Res A 2012; 100:2312-8. [PMID: 22529011 DOI: 10.1002/jbm.a.34155] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 02/03/2012] [Accepted: 02/21/2012] [Indexed: 12/17/2022]
Abstract
Calcium carbonate (CaCO(3) ) microparticles were for the first time used for efficient delivery of p53 gene to transfect human cancer cells HeLa. CaCO(3) microparticles (2-4 μm) absorbed pEGFP-C1-p53 (expressing GFP-P53 fusion protein) to transfect HeLa cells. Flow cytometer (FCM) was used to evaluate the gene transfection efficiency in HeLa cells, which were stably transduced with a green fluorescent protein gene. In this study, CaCO(3) delivering pEGFP-C1-p53 could transfect about 5% of the tumor cells in culture. However, the efficiency of tumor cell apoptosis was surprisingly up to 80%. Meanwhile, the results of MTT assay and crystal violet staining showed that the CaCO(3) microparticles had low cytotoxicity. These findings showed that CaCO(3) microparticles were perspective to be used as new vectors for gene therapy.
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Affiliation(s)
- Xiangdong Kong
- Xinyuan Institute of Medicine and Biotechnology, College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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Soni M, Lai F. Cell-based co-transfection microarrays for use with HEK293T cells on a poly D-lysine-coated polystyrene microplate. Methods Mol Biol 2011; 706:13-25. [PMID: 21104051 DOI: 10.1007/978-1-61737-970-3_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Analysis of the human genome sequence has identified thousands of putative genes with unknown function; therefore, a new tool allowing for rapid identification of gene functions is needed. Reverse transfection microarray technology, which turns a DNA microarray into a cell-based microarray, has emerged for simultaneously studying the function of many genes. Since the initial demonstration in 2001, many variations have surfaced, making the technology more versatile for a broad range of applications. We have developed a protocol to make ready-to-transfect DNA microarrays in a 96-well microplate for co-transfection of two plasmids into HEK293T cells. This cell-based microarray in a microplate may be used for screening hundreds of analytes against multiple protein targets in parallel, providing a powerful tool for functional genomics and drug discovery.
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Affiliation(s)
- Meenal Soni
- Science and Technology Division, Corning Inc., Corning, NY, USA
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Cameron DJA, Shaver MP. Aliphatic polyester polymer stars: synthesis, properties and applications in biomedicine and nanotechnology. Chem Soc Rev 2010; 40:1761-76. [PMID: 21082079 DOI: 10.1039/c0cs00091d] [Citation(s) in RCA: 302] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A critical review: the ring-opening polymerization of cyclic esters provides access to an array of biodegradable, bioassimilable and renewable polymeric materials. Building these aliphatic polyester polymers into larger macromolecular frameworks provides further control over polymer characteristics and opens up unique applications. Polymer stars, where multiple arms radiate from a single core molecule, have found particular utility in the areas of drug delivery and nanotechnology. A challenge in this field is in understanding the impact of altering synthetic variables on polymer properties. We review the synthesis and characterization of aliphatic polyester polymer stars, focusing on polymers originating from lactide, ε-caprolactone, glycolide, β-butyrolactone and trimethylene carbonate monomers and their copolymers including coverage of polyester miktoarm star copolymers. These macromolecular materials are further categorized by core molecules, catalysts employed, self-assembly and degradation properties and the resulting fields of application (262 references).
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Affiliation(s)
- Donald J A Cameron
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PEI, Canada C1A 4P3
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