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Souri M, Bagherzadeh MA, Jahromi MAM, Mohammad-Beigi H, Abdoli A, Mir H, Roustazadeh A, Pirestani M, Zangabad PS, Kiani J, Bakhshayesh A, Jahani M, Joghataei MT, Karimi M. Poly-L-Lysine/Hyaluronan Nanocarriers As a Novel Nanosystem for Gene Delivery. J Microsc 2022; 287:32-44. [PMID: 35443072 DOI: 10.1111/jmi.13107] [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: 01/10/2022] [Revised: 03/30/2022] [Accepted: 04/11/2022] [Indexed: 11/29/2022]
Abstract
The present research comes up with a novel DNA-loaded poly-l-lysine (PLL) / hyaluronan (HA) nanocarrier (DNA-loaded PLL/HA NCs) for gene delivery applications, as a promising candidate for gene delivery into diverse cells. A straightforward approach was employed to prepare such a nanosystem through masking DNA-loaded PLL molecules by HA. Fourier-transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), field emission-scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM) were used to analyze the interaction of the molecules as well as the physicochemical properties of the NCs. The NCs showed a negative charge of -24 ± 3 mV, with an average size of 138 ± 6 nm, in a ellipsoid-shape with smooth surfaces. The DNA loading efficiency (LE) measured by DNA absorbance was around 95 %. The MTT assay showed that the developed NCs are non-toxic to the cells. Furthermore,the uptake of the DNA-loaded PLL/HA NCs by the human embryonic kidney (HEK)-293T cells was evaluated by a flow cytometry method, and demonstrated high potential cellular uptake over 90% for transferring the gene to HEK-293T cells at the optimized conditions. Therefore, the DNA-loaded PLL/HA NCs are the potent strategy for developing nanosystems for gene delivery applications. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Masoumeh Souri
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.,Advances Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
| | | | - Mirza Ali Mofazzal Jahromi
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran.,Department of Immunology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran.,Department of Advanced Medical Sciences & Technologies, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Hossein Mohammad-Beigi
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads, DK-2800 Kgs, Lyngby, Denmark
| | - Amir Abdoli
- Department of Parasitology, and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran.,Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Hamed Mir
- Department of Biochemistry and Nutrition, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Abazar Roustazadeh
- Department of Biochemistry and Nutrition, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Majid Pirestani
- Parasitology and Entomology Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Parham Sahandi Zangabad
- Advances Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
| | - Jafar Kiani
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.,Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mehdi Jahani
- Department of Physics, Sharif University of Technology, Tehran, Iran.,Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Mohammad Taghi Joghataei
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahdi Karimi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.,Advances Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
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Sikkema R, Keohan B, Zhitomirsky I. Hyaluronic-Acid-Based Organic-Inorganic Composites for Biomedical Applications. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4982. [PMID: 34501070 PMCID: PMC8434239 DOI: 10.3390/ma14174982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/23/2021] [Accepted: 08/27/2021] [Indexed: 01/22/2023]
Abstract
Applications of natural hyaluronic acid (HYH) for the fabrication of organic-inorganic composites for biomedical applications are described. Such composites combine unique functional properties of HYH with functional properties of hydroxyapatite, various bioceramics, bioglass, biocements, metal nanoparticles, and quantum dots. Functional properties of advanced composite gels, scaffold materials, cements, particles, films, and coatings are described. Benefiting from the synergy of properties of HYH and inorganic components, advanced composites provide a platform for the development of new drug delivery materials. Many advanced properties of composites are attributed to the ability of HYH to promote biomineralization. Properties of HYH are a key factor for the development of colloidal and electrochemical methods for the fabrication of films and protective coatings for surface modification of biomedical implants and the development of advanced biosensors. Overcoming limitations of traditional materials, HYH is used as a biocompatible capping, dispersing, and structure-directing agent for the synthesis of functional inorganic materials and composites. Gel-forming properties of HYH enable a facile and straightforward approach to the fabrication of antimicrobial materials in different forms. Of particular interest are applications of HYH for the fabrication of biosensors. This review summarizes manufacturing strategies and mechanisms and outlines future trends in the development of functional biocomposites.
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Affiliation(s)
| | | | - Igor Zhitomirsky
- Department of Materials Science and Engineering, McMaster University, Hamilton, ON L8S4L7, Canada; (R.S.); (B.K.)
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3
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Silva CO, Petersen SB, Reis CP, Rijo P, Molpeceres J, Fernandes AS, Gonçalves O, Gomes AC, Correia I, Vorum H, Neves-Petersen MT. EGF Functionalized Polymer-Coated Gold Nanoparticles Promote EGF Photostability and EGFR Internalization for Photothermal Therapy. PLoS One 2016; 11:e0165419. [PMID: 27788212 PMCID: PMC5082958 DOI: 10.1371/journal.pone.0165419] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 10/11/2016] [Indexed: 11/18/2022] Open
Abstract
The application of functionalized nanocarriers on photothermal therapy for cancer ablation has wide interest. The success of this application depends on the therapeutic efficiency and biocompatibility of the system, but also on the stability and biorecognition of the conjugated protein. This study aims at investigating the hypothesis that EGF functionalized polymer-coated gold nanoparticles promote EGF photostability and EGFR internalization, making these conjugated particles suitable for photothermal therapy. The conjugated gold nanoparticles (100–200 nm) showed a plasmon absorption band located within the near-infrared range (650–900 nm), optimal for photothermal therapy applications. The effects of temperature, of polymer-coated gold nanoparticles and of UVB light (295nm) on the fluorescence properties of EGF have been investigated with steady-state and time-resolved fluorescence spectroscopy. The fluorescence properties of EGF, including the formation of Trp and Tyr photoproducts, is modulated by temperature and by the intensity of the excitation light. The presence of polymeric-coated gold nanoparticles reduced or even avoided the formation of Trp and Tyr photoproducts when EGF is exposed to UVB light, protecting this way the structure and function of EGF. Cytotoxicity studies of conjugated nanoparticles carried out in normal-like human keratinocytes showed small, concentration dependent decreases in cell viability (0–25%). Moreover, conjugated nanoparticles could activate and induce the internalization of overexpressed Epidermal Growth Factor Receptor in human lung carcinoma cells. In conclusion, the gold nanoparticles conjugated with Epidermal Growth Factor and coated with biopolymers developed in this work, show a potential application for near infrared photothermal therapy, which may efficiently destroy solid tumours, reducing the damage of the healthy tissue.
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Affiliation(s)
- Catarina Oliveira Silva
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, Portugal
- Department of Biomedical Sciences, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, Spain
| | - Steffen B. Petersen
- Medical Photonics Lab, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Catarina Pinto Reis
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, Portugal
- IBEB, Biophysics and Biomedical Engineering, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
- * E-mail: (MTNP); (CPR)
| | - Patrícia Rijo
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, Portugal
- iMed.ULisboa, Instituto de Investigação do Medicamento, Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - Jesús Molpeceres
- Department of Biomedical Sciences, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, Spain
| | - Ana Sofia Fernandes
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, Portugal
- iMed.ULisboa, Instituto de Investigação do Medicamento, Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - Odete Gonçalves
- Medical Photonics Lab, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- CBMA (Centre of Molecular and Environmental Biology), University of Minho, Campus de Gualtar, Braga, Portugal
- CFUM (Centre of Physics of University of Minho), Department of Physics, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Andreia C. Gomes
- CBMA (Centre of Molecular and Environmental Biology), University of Minho, Campus de Gualtar, Braga, Portugal
| | - Isabel Correia
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Henrik Vorum
- Department of Ophthalmology, Aalborg University Hospital, Aalborg, Denmark
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4
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Jajcevic K, Chami M, Sugihara K. Gold Nanowire Fabrication with Surface-Attached Lipid Nanotube Templates. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:4830-4836. [PMID: 27417673 DOI: 10.1002/smll.201600431] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 03/31/2016] [Indexed: 06/06/2023]
Abstract
A high-throughput approach to fabricate gold nanowires on surfaces with a lipid nanotube template is demonstrated. Streptavidin-coated gold nanoparticles are attached to the biotin-tagged lipid nanotubes. After the chemical fixation, the samples are dried and treated with oxygen plasma to remove the organic template and connect the particles. The created nanowires are characterized by cryo-transmission electron microscopy, atomic force microscopy, and electrical measurements.
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Affiliation(s)
- Kristina Jajcevic
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva 4, Switzerland
| | - Mohamed Chami
- Center for Cellular Imaging and NanoAnalytics (C-CINA), Biozentrum, University of Basel, Mattenstrasse 26, CH-4058, Basel, Switzerland
| | - Kaori Sugihara
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva 4, Switzerland.
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5
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Silva JM, Reis RL, Mano JF. Biomimetic Extracellular Environment Based on Natural Origin Polyelectrolyte Multilayers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:4308-42. [PMID: 27435905 DOI: 10.1002/smll.201601355] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/15/2016] [Indexed: 05/23/2023]
Abstract
Surface modification of biomaterials is a well-known approach to enable an adequate biointerface between the implant and the surrounding tissue, dictating the initial acceptance or rejection of the implantable device. Since its discovery in early 1990s layer-by-layer (LbL) approaches have become a popular and attractive technique to functionalize the biomaterials surface and also engineering various types of objects such as capsules, hollow tubes, and freestanding membranes in a controllable and versatile manner. Such versatility enables the incorporation of different nanostructured building blocks, including natural biopolymers, which appear as promising biomimetic multilayered systems due to their similarity to human tissues. In this review, the potential of natural origin polymer-based multilayers is highlighted in hopes of a better understanding of the mechanisms behind its use as building blocks of LbL assembly. A deep overview on the recent progresses achieved in the design, fabrication, and applications of natural origin multilayered films is provided. Such films may lead to novel biomimetic approaches for various biomedical applications, such as tissue engineering, regenerative medicine, implantable devices, cell-based biosensors, diagnostic systems, and basic cell biology.
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Affiliation(s)
- Joana M Silva
- 3Bs Research Group-Biomaterials Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory Braga/Guimarães, Portugal
| | - Rui L Reis
- 3Bs Research Group-Biomaterials Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory Braga/Guimarães, Portugal
| | - João F Mano
- 3Bs Research Group-Biomaterials Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory Braga/Guimarães, Portugal
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6
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Gwo S, Chen HY, Lin MH, Sun L, Li X. Nanomanipulation and controlled self-assembly of metal nanoparticles and nanocrystals for plasmonics. Chem Soc Rev 2016; 45:5672-5716. [PMID: 27406697 DOI: 10.1039/c6cs00450d] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Localized surface plasmon resonances (LSPRs) associated with metallic nanostructures offer unique possibilities for light concentration beyond the diffraction limit, which can lead to strong field confinement and enhancement in deep subwavelength regions. In recent years, many transformative plasmonic applications have emerged, taking advantage of the spectral and spatial tunability of LSPRs enabled by near-field coupling between constituent metallic nanostructures in a variety of plasmonic metastructures (dimers, metamolecules, metasurfaces, metamaterials, etc.). For example, the "hot spot" formed at the interstitial site (gap) between two coupled metallic nanostructures in a plasmonic dimer can be spectrally tuned via the gap size. Capitalizing on these capabilities, there have been significant advances in plasmon enhanced or enabled applications in light-based science and technology, including ultrahigh-sensitivity spectroscopies, light energy harvesting, photocatalysis, biomedical imaging and theranostics, optical sensing, nonlinear optics, ultrahigh-density data storage, as well as plasmonic metamaterials and metasurfaces exhibiting unusual linear and nonlinear optical properties. In this review, we present two complementary approaches for fabricating plasmonic metastructures. We discuss how meta-atoms can be assembled into unique plasmonic metastructures using a variety of nanomanipulation methods based on single- or multiple-probes in an atomic force microscope (AFM) or a scanning electron microscope (SEM), optical tweezers, and focused electron-beam nanomanipulation. We also provide a few examples of nanoparticle metamolecules with designed properties realized in such well-controlled plasmonic metastructures. For the spatial controllability on the mesoscopic and macroscopic scales, we show that controlled self-assembly is the method of choice to realize scalable two-dimensional, and three-dimensional plasmonic metastructures. In the section of applications, we discuss some key examples of plasmonic applications based on individual hot spots or ensembles of hot spots with high uniformity and improved controllability.
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Affiliation(s)
- Shangjr Gwo
- Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan.
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7
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Lin QK, Xu X, Wang Y, Wang B, Chen H. Antiadhesive and antibacterial polysaccharide multilayer as IOL coating for prevention of postoperative infectious endophthalmitis. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1190925] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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8
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Chang H, Hu M, Zhang H, Ren KF, Li BC, Li H, Wang LM, Lei WX, Ji J. Improved Endothelial Function of Endothelial Cell Monolayer on the Soft Polyelectrolyte Multilayer Film with Matrix-Bound Vascular Endothelial Growth Factor. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14357-14366. [PMID: 27223460 DOI: 10.1021/acsami.6b01870] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Endothelialization on the vascular implants is of great importance for prevention of undesired postimplantation symptoms. However, endothelial dysfunction of regenerated endothelial cell (EC) monolayer has been frequently observed, leading to severe complications, such as neointimal hyperplasia, late thrombosis, and neoatherosclerosis. It has significantly impeded long-term success of the therapy. So far, very little attention has been paid on endothelial function of EC monolayer. Bioinspired by the microenvironment of the endothelium in a blood vessel, this study described a soft polyelectrolyte multilayer film (PEM) through layer-by-layer assembly of poly(l-lysine) (PLL) and hyaluronan (HA). The (PLL/HA) PEM was chemically cross-linked and further incorporated with vascular endothelial growth factor. It demonstrated that this approach could promote EC adhesion and proliferation, further inducing formation of EC monolayer. Further, improved endothelial function of the EC monolayer was achieved as shown with the tighter integrity, higher production of nitric oxide, and expression level of endothelial function related genes, compared to EC monolayers on traditional substrates with high stiffness (e.g., glass, tissue culture polystyrene, and stainless steel). Our findings highlighted the influence of substrate stiffness on endothelial function of EC monolayer, giving a new strategy in the surface design of vascular implants.
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Affiliation(s)
- Hao Chang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Mi Hu
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - He Zhang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Ke-Feng Ren
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Bo-Chao Li
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Huan Li
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Li-Mei Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Wen-Xi Lei
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , Hangzhou 310027, China
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Hemshekhar M, Thushara RM, Chandranayaka S, Sherman LS, Kemparaju K, Girish KS. Emerging roles of hyaluronic acid bioscaffolds in tissue engineering and regenerative medicine. Int J Biol Macromol 2016; 86:917-28. [DOI: 10.1016/j.ijbiomac.2016.02.032] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 02/09/2016] [Accepted: 02/11/2016] [Indexed: 12/16/2022]
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10
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Mzyk A, Lackner JM, Wilczek P, Lipińska L, Niemiec-Cyganek A, Samotus A, Morenc M. Polyelectrolyte multilayer film modification for chemo-mechano-regulation of endothelial cell response. RSC Adv 2016. [DOI: 10.1039/c5ra23019e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The new multilayer polyelectrolyte films (PEMs) that are able to simulate the structure and functions of the extracellular matrix have become a powerful tool for tailoring biointerfaces of “cardiovascular” implants.
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Affiliation(s)
- A. Mzyk
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- 30-059 Krakow
- Poland
| | - J. M. Lackner
- Joanneum Research Forschungsges mbH
- Institute of Surface Technologies and Photonics
- Functional Surfaces
- Austria
| | - P. Wilczek
- Foundation for Cardiac Surgery Development
- 41-800 Zabrze
- Poland
| | - L. Lipińska
- Institute of Electronic Materials Technology
- 01-919 Warsow
- Poland
| | | | - A. Samotus
- Foundation for Cardiac Surgery Development
- 41-800 Zabrze
- Poland
| | - M. Morenc
- Foundation for Cardiac Surgery Development
- 41-800 Zabrze
- Poland
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11
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Oliveira Silva C, Petersen SB, Pinto Reis C, Rijo P, Molpeceres J, Vorum H, Neves-Petersen MT. Lysozyme Photochemistry as a Function of Temperature. The Protective Effect of Nanoparticles on Lysozyme Photostability. PLoS One 2015; 10:e0144454. [PMID: 26656259 PMCID: PMC4682814 DOI: 10.1371/journal.pone.0144454] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 11/18/2015] [Indexed: 11/30/2022] Open
Abstract
The presence of aromatic residues and their close spatial proximity to disulphide bridges makes hen egg white lysozyme labile to UV excitation. UVB induced photo-oxidation of tryptophan and tyrosine residues leads to photochemical products, such as, kynurenine, N-formylkynurenine and dityrosine and to the disruption of disulphide bridges in proteins. We here report that lysozyme UV induced photochemistry is modulated by temperature, excitation power, illumination time, excitation wavelength and by the presence of plasmonic quencher surfaces, such as gold, and by the presence of natural fluorescence quenchers, such as hyaluronic acid and oleic acid. We show evidence that the photo-oxidation effects triggered by 295 nm at 20°C are reversible and non-reversible at 10°C, 25°C and 30°C. This paper provides evidence that the 295 nm damage threshold of lysozyme lies between 0.1 μW and 0.3 μW. Protein conformational changes induced by temperature and UV light have been detected upon monitoring changes in the fluorescence emission spectra of lysozyme tryptophan residues and SYPRO® Orange. Lysozyme has been conjugated onto gold nanoparticles, coated with hyaluronic acid and oleic acid (HAOA). Steady state and time resolved fluorescence studies of free and conjugated lysozyme onto HAOA gold nanoparticles reveals that the presence of the polymer decreased the rate of the observed photochemical reactions and induced a preference for short fluorescence decay lifetimes. Size and surface charge of the HAOA gold nanoparticles have been determined by dynamic light scattering and zeta potential measurements. TEM analysis of the particles confirms the presence of a gold core surrounded by a HAOA matrix. We conclude that HAOA gold nanoparticles may efficiently protect lysozyme from the photochemical effects of UVB light and this nanocarrier could be potentially applied to other proteins with clinical relevance. In addition, this study confirms that the temperature plays a critical role in the photochemical pathways a protein enters upon UV excitation.
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Affiliation(s)
- Catarina Oliveira Silva
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, 1749–024, Portugal
- Department of Biomedical Sciences, Faculty of Pharmacy, University of Alcalá, 28871 Alcalá de Henares, Spain
| | - Steffen B. Petersen
- Medical Photonics Lab, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Fredrik Bajers vej 7, DK-9220, Aalborg, Denmark
| | - Catarina Pinto Reis
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, 1749–024, Portugal
- IBEB, Biophysics and Biomedical Engineering, Faculty of Sciences, University of Lisbon, 1749–016, Lisbon, Portugal
| | - Patrícia Rijo
- Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisboa, 1749–024, Portugal
| | - Jesús Molpeceres
- Department of Biomedical Sciences, Faculty of Pharmacy, University of Alcalá, 28871 Alcalá de Henares, Spain
| | - Henrik Vorum
- Department of Ophthalmology, Aalborg University, Hobrovej 18–22, 9000 Aalborg, Denmark
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12
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Al-Muhanna MKA, Hileuskaya KS, Kulikouskaya VI, Kraskouski AN, Agabekov VE. Preparation of stable sols of silver nanoparticles in aqueous pectin solutions and properties of the sols. COLLOID JOURNAL 2015. [DOI: 10.1134/s1061933x15060022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Mzyk A, Major R, Lackner JM, Bruckert F, Wilczek P, Major B. Effect of the silicon carbide nanoparticles introduction on biological properties of porous polymer coatings. RSC Adv 2015. [DOI: 10.1039/c4ra14474k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The multilayer polyelectrolyte films (PEMs) seem to be a promising material to reconstruct the structure and behavior of the extracellular matrix.
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Affiliation(s)
- A. Mzyk
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- 30-059 Krakow
- Poland
| | - R. Major
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- 30-059 Krakow
- Poland
| | - J. M. Lackner
- Joanneum Research Forschungsges mbH
- Institute of Surface Technologies and Photonics
- Functional Surfaces
- Austria
| | - F. Bruckert
- Laboratoire des Matériaux et du Génie Physique Grenoble Institute of Technology
- Grenoble
- France
| | - P. Wilczek
- Foundation for Cardiac Surgery Development
- 41-800 Zabrze
- Poland
| | - B. Major
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- 30-059 Krakow
- Poland
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14
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Mzyk A, Major R, Lackner JM, Bruckert F, Major B. Cytotoxicity control of SiC nanoparticles introduced into polyelectrolyte multilayer films. RSC Adv 2014. [DOI: 10.1039/c4ra03914a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Nowadays, biosensor technology development is directed toward improvement of sensing devices' biocompatibility.
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Affiliation(s)
- A. Mzyk
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- Krakow, Poland
| | - R. Major
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- Krakow, Poland
| | - J. M. Lackner
- Joanneum Research Forschungs-GmbH
- Materials – Functional Surfaces
- Leoben, Austria
| | | | - B. Major
- Institute of Metallurgy and Materials Science
- Polish Academy of Sciences
- Krakow, Poland
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