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Ghorbani F, Kim M, Ghalandari B, Zhang M, Varma SN, Schöbel L, Liu C, Boccaccini AR. Architecture of β-lactoglobulin coating modulates bioinspired alginate dialdehyde-gelatine/polydopamine scaffolds for subchondral bone regeneration. Acta Biomater 2024; 181:188-201. [PMID: 38642788 DOI: 10.1016/j.actbio.2024.04.028] [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: 01/22/2024] [Revised: 03/21/2024] [Accepted: 04/15/2024] [Indexed: 04/22/2024]
Abstract
In this study, we developed polydopamine (PDA)-functionalized alginate dialdehyde-gelatine (ADA-GEL) scaffolds for subchondral bone regeneration. These polymeric scaffolds were then coated with β-Lactoglobulin (β-LG) at concentrations of 1 mg/ml and 2 mg/ml. Morphological analysis indicated a homogeneous coating of the β-LG layer on the surface of network-like scaffolds. The β-LG-coated scaffolds exhibited improved swelling capacity as a function of the β-LG concentration. Compared to ADA-GEL/PDA scaffolds, the β-LG-coated scaffolds demonstrated delayed degradation and enhanced biomineralization. Here, a lower concentration of β-LG showed long-lasting stability and superior biomimetic hydroxyapatite mineralization. According to the theoretical findings, the single-state, representing the low concentration of β-LG, exhibited a homogeneous distribution on the surface of the PDA, while the dimer-state (high concentration) displayed a high likelihood of uncontrolled interactions. β-LG-coated ADA-GEL/PDA scaffolds with a lower concentration of β-LG provided a biocompatible substrate that supported adhesion, proliferation, and alkaline phosphatase (ALP) secretion of sheep bone marrow mesenchymal stem cells, as well as increased expression of osteopontin (SPP1) and collagen type 1 (COL1A1) in human osteoblasts. These findings indicate the potential of protein-coated scaffolds for subchondral bone tissue regeneration. STATEMENT OF SIGNIFICANCE: This study addresses a crucial aspect of osteochondral defect repair, emphasizing the pivotal role of subchondral bone regeneration. The development of polydopamine-functionalized alginate dialdehyde-gelatine (ADA-GEL) scaffolds, coated with β-Lactoglobulin (β-LG), represents a novel approach to potentially enhance subchondral bone repair. β-LG, a milk protein rich in essential amino acids and bioactive peptides, is investigated for its potential to promote subchondral bone regeneration. This research explores computationally and experimentally the influence of protein concentration on the ordered or irregular deposition, unravelling the interplay between coating structure, scaffold properties, and in-vitro performance. This work contributes to advancing ordered protein coating strategies for subchondral bone regeneration, providing a biocompatible solution with potential implications for supporting subsequent cartilage repair.
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Affiliation(s)
- Farnaz Ghorbani
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany; Institute of Orthopaedic & Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore HA7 4LP, United Kingdom; Department of Translational Health Science, Bristol Medical School, University of Bristol, Bristol BS1 3NY, United Kingdom.
| | - Minjoo Kim
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), LMU University Hospital, LMU Munich, 81377 Munich, Germany
| | - Behafarid Ghalandari
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Mingjing Zhang
- Institute of Orthopaedic & Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore HA7 4LP, United Kingdom
| | - Swastina Nath Varma
- Institute of Orthopaedic & Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore HA7 4LP, United Kingdom
| | - Lisa Schöbel
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany
| | - Chaozong Liu
- Institute of Orthopaedic & Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore HA7 4LP, United Kingdom.
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany.
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Baines DK, Platania V, Tavernaraki NN, Parati M, Wright K, Radecka I, Chatzinikolaidou M, Douglas TEL. The Enrichment of Whey Protein Isolate Hydrogels with Poly-γ-Glutamic Acid Promotes the Proliferation and Osteogenic Differentiation of Preosteoblasts. Gels 2023; 10:18. [PMID: 38247741 PMCID: PMC10815088 DOI: 10.3390/gels10010018] [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: 11/23/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/23/2024] Open
Abstract
Osseous disease accounts for over half of chronic pathologies, but there is a limited supply of autografts, the gold standard; hence, there is a demand for new synthetic biomaterials. Herein, we present the use of a promising, new dairy-derived biomaterial: whey protein isolate (WPI) in the form of hydrogels, modified with the addition of different concentrations of the biotechnologically produced protein-like polymeric substance poly-γ-glutamic acid (γ-PGA) as a potential scaffold for tissue regeneration. Raman spectroscopic analysis demonstrated the successful creation of WPI-γ-PGA hydrogels. A cytotoxicity assessment using preosteoblastic cells demonstrated that the hydrogels were noncytotoxic and supported cell proliferation from day 3 to 14. All γ-PGA-containing scaffold compositions strongly promoted cell attachment and the formation of dense interconnected cell layers. Cell viability was significantly increased on γ-PGA-containing scaffolds on day 14 compared to WPI control scaffolds. Significantly, the cells showed markers of osteogenic differentiation; they synthesised increasing amounts of collagen over time, and cells showed significantly enhanced alkaline phosphatase activity at day 7 and higher levels of calcium for matrix mineralization at days 14 and 21 on the γ-PGA-containing scaffolds. These results demonstrated the potential of WPI-γ-PGA hydrogels as scaffolds for bone regeneration.
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Affiliation(s)
- Daniel K. Baines
- Faculty of Science and Technology, School of Engineering, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
- Faculty of Health and medicine, Division of Biomedical and Life Sciences, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
| | - Varvara Platania
- Department of Materials Science and Technology, University of Crete, GR-70013 Heraklion, Greece; (V.P.); (N.N.T.); (M.C.)
| | - Nikoleta N. Tavernaraki
- Department of Materials Science and Technology, University of Crete, GR-70013 Heraklion, Greece; (V.P.); (N.N.T.); (M.C.)
| | - Mattia Parati
- Faculty of Science and Engineering, School of Life Sciences, University of Wolverhampton, Wolverhampton WV1 1LY, UK; (M.P.); (I.R.)
| | - Karen Wright
- Faculty of Health and medicine, Division of Biomedical and Life Sciences, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
| | - Iza Radecka
- Faculty of Science and Engineering, School of Life Sciences, University of Wolverhampton, Wolverhampton WV1 1LY, UK; (M.P.); (I.R.)
| | - Maria Chatzinikolaidou
- Department of Materials Science and Technology, University of Crete, GR-70013 Heraklion, Greece; (V.P.); (N.N.T.); (M.C.)
- Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, GR-70013 Heraklion, Greece
| | - Timothy E. L. Douglas
- Faculty of Science and Technology, School of Engineering, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
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Gaweł M, Domalik-Pyzik P, Douglas TEL, Reczyńska-Kolman K, Pamuła E, Pielichowska K. The Effect of Chitosan on Physicochemical Properties of Whey Protein Isolate Scaffolds for Tissue Engineering Applications. Polymers (Basel) 2023; 15:3867. [PMID: 37835916 PMCID: PMC10575415 DOI: 10.3390/polym15193867] [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: 08/03/2023] [Revised: 09/13/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023] Open
Abstract
New scaffolds, based on whey protein isolate (WPI) and chitosan (CS), have been proposed and investigated as possible materials for use in osteochondral tissue repair. Two types of WPI-based hydrogels modified by CS were prepared: CS powder was incorporated into WPI in either dissolved or suspended powder form. The optimal chemical composition of the resulting WPI/CS hydrogels was chosen based on the morphology, structural properties, chemical stability, swelling ratio, wettability, mechanical properties, bioactivity, and cytotoxicity evaluation. The hydrogels with CS incorporated in powder form exhibited superior mechanical properties and higher porosity, whereas those with CS incorporated after dissolution showed enhanced wettability, which decreased with increasing CS content. The introduction of CS powder into the WPI matrix promoted apatite formation, as confirmed by energy dispersive spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR) analyses. In vitro cytotoxicity results confirmed the cytocompatibility of CS powder modified WPI hydrogels, suggesting their suitability as cell scaffolds. These findings demonstrate the promising potential of WPI/CS scaffolds for osteochondral tissue repair.
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Affiliation(s)
- Martyna Gaweł
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30-059 Kraków, Poland; (M.G.); (P.D.-P.); (K.R.-K.); (E.P.)
| | - Patrycja Domalik-Pyzik
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30-059 Kraków, Poland; (M.G.); (P.D.-P.); (K.R.-K.); (E.P.)
| | | | - Katarzyna Reczyńska-Kolman
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30-059 Kraków, Poland; (M.G.); (P.D.-P.); (K.R.-K.); (E.P.)
| | - Elżbieta Pamuła
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30-059 Kraków, Poland; (M.G.); (P.D.-P.); (K.R.-K.); (E.P.)
| | - Kinga Pielichowska
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Krakow, 30-059 Kraków, Poland; (M.G.); (P.D.-P.); (K.R.-K.); (E.P.)
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Pietryga K, Reczyńska-Kolman K, Reseland JE, Haugen H, Larreta-Garde V, Pamuła E. Biphasic monolithic osteochondral scaffolds obtained by diffusion-limited enzymatic mineralization of gellan gum hydrogel. Biocybern Biomed Eng 2023. [DOI: 10.1016/j.bbe.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Mayorova OA, Jolly BCN, Verkhovskii RA, Plastun VO, Sindeeva OA, Douglas TEL. pH-Sensitive Dairy-Derived Hydrogels with a Prolonged Drug Release Profile for Cancer Treatment. MATERIALS (BASEL, SWITZERLAND) 2021; 14:749. [PMID: 33562870 PMCID: PMC7915325 DOI: 10.3390/ma14040749] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 02/02/2023]
Abstract
A novel versatile biocompatible hydrogel of whey protein isolate (WPI) and two types of tannic acid (TAs) was prepared by crosslinking of WPI with TAs in a one-step method at high temperature for 30 min. WPI is one common protein-based preparation which is used for hydrogel formation. The obtained WPI-TA hydrogels were in disc form and retained their integrity after sterilization by autoclaving. Two TA preparations of differing molecular weight and chemical structure were compared, namely a polygalloyl glucose-rich extract-ALSOK 02-and a polygalloyl quinic acid-rich extract-ALSOK 04. Hydrogel formation was observed for WPI solutions containing both preparations. The swelling characteristics of hydrogels were investigated at room temperature at different pH values, namely 5, 7, and 9. The swelling ability of hydrogels was independent of the chemical structure of the added TAs. A trend of decrease of mass increase (MI) in hydrogels was observed with an increase in the TA/WPI ratio compared to the control WPI hydrogel without TA. This dependence (a MI decrease-TA/WPI ratio) was observed for hydrogels with different types of TA both in neutral and acidic conditions (pH 5.7). Under alkaline conditions (pH 9), negative values of swelling were observed for all hydrogels with a high content of TAs and were accompanied by a significant release of TAs from the hydrogel network. Our studies have shown that the release of TA from hydrogels containing ALSOK04 is higher than from hydrogels containing ALSOK 02. Moreover, the addition of TAs, which display a strong anti-cancer effect, increases the cytotoxicity of WPI-TAs hydrogels against the Hep-2 human laryngeal squamous carcinoma (Hep-2 cells) cell line. Thus, WPI-TA hydrogels with prolonged drug release properties and cytotoxicity effect can be used as anti-cancer scaffolds.
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Affiliation(s)
- Oksana A. Mayorova
- Institute of Nanostructures and Biosystems, Saratov State University, 83 Astrakhanskaya st., 410012 Saratov, Russia; (R.A.V.); (V.O.P.); (O.A.S.)
| | - Ben C. N. Jolly
- Engineering Department, Lancaster University, Gillow Av., Lancaster LA1 4YW, UK;
| | - Roman A. Verkhovskii
- Institute of Nanostructures and Biosystems, Saratov State University, 83 Astrakhanskaya st., 410012 Saratov, Russia; (R.A.V.); (V.O.P.); (O.A.S.)
| | - Valentina O. Plastun
- Institute of Nanostructures and Biosystems, Saratov State University, 83 Astrakhanskaya st., 410012 Saratov, Russia; (R.A.V.); (V.O.P.); (O.A.S.)
| | - Olga A. Sindeeva
- Institute of Nanostructures and Biosystems, Saratov State University, 83 Astrakhanskaya st., 410012 Saratov, Russia; (R.A.V.); (V.O.P.); (O.A.S.)
- Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, Building 3, 143026 Moscow, Russia
| | - Timothy E. L. Douglas
- Engineering Department, Lancaster University, Gillow Av., Lancaster LA1 4YW, UK;
- Materials Science Institute (MSI), Lancaster University, Gillow Av., Lancaster LA1 4YW, UK
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