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Ren ZW, Wang ZY, Ding YW, Dao JW, Li HR, Ma X, Yang XY, Zhou ZQ, Liu JX, Mi CH, Gao ZC, Pei H, Wei DX. Polyhydroxyalkanoates: the natural biopolyester for future medical innovations. Biomater Sci 2023; 11:6013-6034. [PMID: 37522312 DOI: 10.1039/d3bm01043k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Polyhydroxyalkanoates (PHAs) are a family of natural microbial biopolyesters with the same basic chemical structure and diverse side chain groups. Based on their excellent biodegradability, biocompatibility, thermoplastic properties and diversity, PHAs are highly promising medical biomaterials and elements of medical devices for applications in tissue engineering and drug delivery. However, due to the high cost of biotechnological production, most PHAs have yet to be applied in the clinic and have only been studied at laboratory scale. This review focuses on the biosynthesis, diversity, physical properties, biodegradability and biosafety of PHAs. We also discuss optimization strategies for improved microbial production of commercial PHAs via novel synthetic biology tools. Moreover, we also systematically summarize various medical devices based on PHAs and related design approaches for medical applications, including tissue repair and drug delivery. The main degradation product of PHAs, 3-hydroxybutyrate (3HB), is recognized as a new functional molecule for cancer therapy and immune regulation. Although PHAs still account for only a small percentage of medical polymers, up-and-coming novel medical PHA devices will enter the clinical translation stage in the next few years.
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Affiliation(s)
- Zi-Wei Ren
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Ze-Yu Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Yan-Wen Ding
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Jin-Wei Dao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- Dehong Biomedical Engineering Research Center, Dehong Teachers' College, Dehong, 678400, China
| | - Hao-Ru Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Xue Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Xin-Yu Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Zi-Qi Zhou
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Jia-Xuan Liu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Chen-Hui Mi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Zhe-Chen Gao
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Hua Pei
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
| | - Dai-Xu Wei
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
- Shaanxi Key Laboratory for Carbon Neutral Technology, Xi'an, 710069, China
- Zigong Affiliated Hospital of Southwest Medical University, Zigong Psychiatric Research Center, Zigong Institute of Brain Science, Zigong, 643002, Sichuan, China
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Sánchez-Salcedo S, Heras C, Lozano D, Vallet-Regí M, Salinas AJ. Nanodevices based on mesoporous glass nanoparticles enhanced with zinc and curcumin to fight infection and regenerate bone. Acta Biomater 2023; 166:655-669. [PMID: 37142110 DOI: 10.1016/j.actbio.2023.04.046] [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: 10/27/2022] [Revised: 04/25/2023] [Accepted: 04/28/2023] [Indexed: 05/06/2023]
Abstract
Nanotechnology-based approaches are emerging as promising strategies to treat different bone pathologies such as infection, osteoporosis or cancer. To this end, several types of nanoparticles are being investigated, including those based on mesoporous bioactive glasses (MGN) which exhibit exceptional structural and textural properties and whose biological behaviour can be improved by including therapeutic ions in their composition and loading them with biologically active substances. In this study, the bone regeneration capacity and antibacterial properties of MGNs in the SiO2-CaO-P2O5 system were evaluated before and after being supplemented with 2.5% or 4% ZnO and loaded with curcumin. in vitro studies with preosteoblastic cells and mesenchymal stem cells allowed determining the biocompatible MGNs concentrations range. Moreover, the bactericidal effect of MGNs with zinc and curcumin against S. aureus was demonstrated, as a significant reduction of bacterial growth was detected in both planktonic and sessile states and the degradation of a pre-formed bacterial biofilm in the presence of the nanoparticles also occurred. Finally, MC3T3-E1 preosteoblastic cells and S. aureus were co-cultured to investigate competitive colonisation between bacteria and cells in the presence of the MGNs. Preferential colonisation and survival of osteoblasts and effective inhibition of both bacterial adhesion and biofilm formation of S. aureus in the co-culture system were detected. Our study demonstrated the synergistic antibacterial effect of zinc ions combined with curcumin and the enhancement of the bone regeneration characteristics of MGNs containing zinc and curcumin to obtain systems capable of simultaneously promoting bone regeneration and controlling infection. STATEMENT OF SIGNIFICANCE: In search of a new approach to regenerate bone and fight infections, a nanodevice based on mesoporous SiO2-CaO-P2O5 glass nanoparticles enriched with Zn2+ ions and loaded with curcumin was designed. This study demonstrates the synergistic effect of the simultaneous presence of zinc ions and curcumin in the nanoparticles that significantly reduces the bacterial growth in planktonic state and is capable to degrade pre-formed S. aureus biofilms whereas the nanosystem exhibits a cytocompatible behaviour in the presence of preosteoblasts and mesenchymal stem cells. Based on these results, the designed nanocarrier represents a promising alternative for the treatment of acute and chronic infections in bone tissues, while avoiding the significant current problem of bacterial resistance to antibiotics.
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Affiliation(s)
- Sandra Sánchez-Salcedo
- Dpt. Química en Ciencias Farmacéuticas, Universidad Complutense de Madrid, UCM, Instituto de Investigación Hospital 12 de octubre, imas12; Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.
| | - Clara Heras
- Dpt. Química en Ciencias Farmacéuticas, Universidad Complutense de Madrid, UCM, Instituto de Investigación Hospital 12 de octubre, imas12; Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Daniel Lozano
- Dpt. Química en Ciencias Farmacéuticas, Universidad Complutense de Madrid, UCM, Instituto de Investigación Hospital 12 de octubre, imas12; Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
| | - María Vallet-Regí
- Dpt. Química en Ciencias Farmacéuticas, Universidad Complutense de Madrid, UCM, Instituto de Investigación Hospital 12 de octubre, imas12; Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
| | - Antonio J Salinas
- Dpt. Química en Ciencias Farmacéuticas, Universidad Complutense de Madrid, UCM, Instituto de Investigación Hospital 12 de octubre, imas12; Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.
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Motameni A, Çardaklı İS, Gürbüz R, Alshemary AZ, Razavi M, Farukoğlu ÖC. Bioglass-polymer composite scaffolds for bone tissue regeneration: a review of current trends. INT J POLYM MATER PO 2023. [DOI: 10.1080/00914037.2023.2186864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Ali Motameni
- Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara, Turkey
- Department of Mechanical Engineering, Çankaya University, Ankara, Turkey
| | - İsmail Seçkin Çardaklı
- Department of Metallurgical and Materials Engineering, Atatürk University, Erzurum, Turkey
| | - Rıza Gürbüz
- Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara, Turkey
| | - Ammar Z. Alshemary
- Department of Chemistry, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
- Biomedical Engineering Department, Al-Mustaqbal University College, Hillah, Iraq
| | - Mehdi Razavi
- Biionix™ (Bionic Materials, Implants & Interfaces) Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, USA
- Department of Material Sciences and Engineering, University of Central Florida, Orlando, FL, USA
| | - Ömer Can Farukoğlu
- Department of Mechanical Engineering, Çankaya University, Ankara, Turkey
- Department of Manufacturing Engineering, Gazi University, Ankara, Turkey
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Gritsch L, Bossard C, Jallot E, Jones JR, Lao J. Bioactive glass-based organic/inorganic hybrids: an analysis of the current trends in polymer design and selection. J Mater Chem B 2023; 11:519-545. [PMID: 36541433 DOI: 10.1039/d2tb02089k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Bioactive glass-based organic/inorganic hybrids are a family of materials holding great promise in the biomedical field. Developed from bioactive glasses following recent advances in sol-gel and polymer chemistry, they can overcome many limitations of traditional composites typically used in bone repair and orthopedics. Thanks to their unique molecular structure, hybrids are often characterized by synergistic properties that go beyond a mere combination of their two components; it is possible to synthesize materials with a wide variety of mechanical and biological properties. The polymeric component, in particular, can be tailored to prepare tough, load-bearing materials, or rubber-like elastomers. It can also be a key factor in the determination of a wide range of interesting biological properties. In addition, polymers can also be used within hybrids as carriers for therapeutic ions (although this is normally the role of silica). This review offers a brief look into the history of hybrids, from the discovery of bioactive glasses to the latest developments, with a particular emphasis on polymer design and chemistry. First the benefits and limitations of hybrids will be discussed and compared with those of alternative approaches (for instance, nanocomposites). Then, key advances in the field will be presented focusing on the polymeric component: its chemistry, its physicochemical and biological advantages, its drawbacks, and selected applications. Comprehensive tables summarizing all the polymers used to date to fabricate sol-gel hybrids for biomedical applications are also provided, to offer a handbook of all the available candidates for hybrid synthesis. In addition to the current trends, open challenges and possible avenues of future development are proposed.
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Affiliation(s)
- Lukas Gritsch
- Université Clermont Auvergne, CNRS/IN2P3, Laboratoire de Physique de Clermont, 4 Avenue Blaise Pascal, 63178 Aubière (Clermont-Ferrand), France. .,Technogym S.p.A., via Calcinaro 2861, 47521 Cesena (FC), Italy
| | - Cédric Bossard
- Université Clermont Auvergne, CNRS/IN2P3, Laboratoire de Physique de Clermont, 4 Avenue Blaise Pascal, 63178 Aubière (Clermont-Ferrand), France.
| | - Edouard Jallot
- Université Clermont Auvergne, CNRS/IN2P3, Laboratoire de Physique de Clermont, 4 Avenue Blaise Pascal, 63178 Aubière (Clermont-Ferrand), France.
| | - Julian R Jones
- Department of Materials, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK
| | - Jonathan Lao
- Université Clermont Auvergne, CNRS/IN2P3, Laboratoire de Physique de Clermont, 4 Avenue Blaise Pascal, 63178 Aubière (Clermont-Ferrand), France.
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Application and translation of nano calcium phosphates in biomedicine. Nanomedicine (Lond) 2023. [DOI: 10.1016/b978-0-12-818627-5.00004-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
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Souza AF, Souza MT, Damasceno JE, Ferreira PVC, Alves de Cerqueira G, Baggio Aguiar FH, Marchi GM. Effects of the Incorporation of Bioactive Particles on Physical Properties, Bioactivity and Penetration of Resin Enamel Infiltrant. Clin Cosmet Investig Dent 2023; 15:31-43. [PMID: 36923270 PMCID: PMC10010126 DOI: 10.2147/ccide.s398514] [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: 11/29/2022] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Purpose The resinous infiltrant lacks remineralizing activity. This research aimed to develop and evaluate bioactivity, physico-mechanical properties and penetration of resin infiltrants containing Biosilicate or nanohydroxyapatite. Methods Experimental resin infiltrant (ERI; 75/25 wt.% TEGDMA/BisEMA) was divided among the groups Pure Experimental (PE); ERI + Biosilicate 5 or 10% (Bio5; Bio10), ERI + 10% nanohydroxyapatite (Hap10), and Icon (DMG, Germany). Bioactivity was analyzed by SEM, EDS and FT-IR/ATR after soaking in SBF. Degree of conversion (DC), sorption and solubility (SO; SOL), flexural strength, modulus of elasticity (FS; E-modulus), contact angle (CA) and penetration were characterized. Extent of penetration was analyzed by treating white spot lesions (WSL) in human dental enamel samples with the infiltrants and subsequently analyzing specimens by confocal laser scanning microscopy. Data from each test were submitted to ANOVA and Tukey's tests (p < 0.01). Results SEM, EDS and FT-IR showed the formation of precipitates and increase in the rates of Ca and P in the groups with bioactive particles, after storage in SBF. Hap10 showed higher DC and CA values than all the other groups. Groups Bio5 and Bio10 showed CA values similar to those of Icon, higher SO and SOL values, and reduction in other properties. All infiltrants were capable of penetrating into the WSLs. Conclusion The incorporation of Biosilicate (5 or 10%) or nanohydroxyapatite (10%) into ERI induced mineral deposition on the surface and did not compromise infiltration and penetration into WSLs, however, compromising their physico-mechanical properties.
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Affiliation(s)
- Ana Ferreira Souza
- Department of Restorative Dentistry, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
| | - Marina Trevelin Souza
- Laboratory of Vitreous Materials, Department of Materials Engineering, Federal University of São Carlos, São Carlos, São Paulo, Brasil
| | - Janaína Emanuela Damasceno
- Department of Restorative Dentistry, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
| | - Paulo Vitor Campos Ferreira
- Department of Restorative Dentistry, Dental Materials Division, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
| | - Gabriela Alves de Cerqueira
- Department of Restorative Dentistry, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
| | - Flávio Henrique Baggio Aguiar
- Department of Restorative Dentistry, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
| | - Giselle Maria Marchi
- Department of Restorative Dentistry, Piracicaba Dental School, Campinas State University - UNICAMP, Piracicaba, São Paulo, Brasil
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Zeimaran E, Pourshahrestani S, Razak NABA, Kadri NA, Kargozar S, Baino F. Nanoscale bioactive glass/injectable hydrogel composites for biomedical applications. FUNCTIONAL NANOCOMPOSITE HYDROGELS 2023:125-147. [DOI: 10.1016/b978-0-323-99638-9.00005-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Nanoparticles for Topical Application in the Treatment of Skin Dysfunctions-An Overview of Dermo-Cosmetic and Dermatological Products. Int J Mol Sci 2022; 23:ijms232415980. [PMID: 36555619 PMCID: PMC9780930 DOI: 10.3390/ijms232415980] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Nanomaterials (NM) arouse interest in various fields of science and industry due to their composition-tunable properties and the ease of modification. They appear currently as components of many consumer products such as sunscreen, dressings, sports clothes, surface-cleaning agents, computer devices, paints, as well as pharmaceutical and cosmetics formulations. The use of NPs in products for topical applications improves the permeation/penetration of the bioactive compounds into deeper layers of the skin, providing a depot effect with sustained drug release and specific cellular and subcellular targeting. Nanocarriers provide advances in dermatology and systemic treatments. Examples are a non-invasive method of vaccination, advanced diagnostic techniques, and transdermal drug delivery. The mechanism of action of NPs, efficiency of skin penetration, and potential threat to human health are still open and not fully explained. This review gives a brief outline of the latest nanotechnology achievements in products used in topical applications to prevent and treat skin diseases. We highlighted aspects such as the penetration of NPs through the skin (influence of physical-chemical properties of NPs, the experimental models for skin penetration, methods applied to improve the penetration of NPs through the skin, and methods applied to investigate the skin penetration by NPs). The review summarizes various therapies using NPs to diagnose and treat skin diseases (melanoma, acne, alopecia, vitiligo, psoriasis) and anti-aging and UV-protectant nano-cosmetics.
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Achievements in Mesoporous Bioactive Glasses for Biomedical Applications. Pharmaceutics 2022; 14:pharmaceutics14122636. [PMID: 36559130 PMCID: PMC9782017 DOI: 10.3390/pharmaceutics14122636] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 11/30/2022] Open
Abstract
Nowadays, mesoporous bioactive glasses (MBGs) are envisaged as promising candidates in the field of bioceramics for bone tissue regeneration. This is ascribed to their singular chemical composition, structural and textural properties and easy-to-functionalize surface, giving rise to accelerated bioactive responses and capacity for local drug delivery. Since their discovery at the beginning of the 21st century, pioneering research efforts focused on the design and fabrication of MBGs with optimal compositional, textural and structural properties to elicit superior bioactive behavior. The current trends conceive MBGs as multitherapy systems for the treatment of bone-related pathologies, emphasizing the need of fine-tuning surface functionalization. Herein, we focus on the recent developments in MBGs for biomedical applications. First, the role of MBGs in the design and fabrication of three-dimensional scaffolds that fulfil the highly demanding requirements for bone tissue engineering is outlined. The different approaches for developing multifunctional MBGs are overviewed, including the incorporation of therapeutic ions in the glass composition and the surface functionalization with zwitterionic moieties to prevent bacterial adhesion. The bourgeoning scientific literature on MBGs as local delivery systems of diverse therapeutic cargoes (osteogenic/antiosteoporotic, angiogenic, antibacterial, anti-inflammatory and antitumor agents) is addressed. Finally, the current challenges and future directions for the clinical translation of MBGs are discussed.
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Kargozar S, Hooshmand S, Hosseini SA, Gorgani S, Kermani F, Baino F. Antioxidant Effects of Bioactive Glasses (BGs) and Their Significance in Tissue Engineering Strategies. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196642. [PMID: 36235178 PMCID: PMC9573515 DOI: 10.3390/molecules27196642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/25/2022] [Accepted: 09/30/2022] [Indexed: 11/21/2022]
Abstract
Elevated levels of oxidative stress are usually observed following injuries, leading to impaired tissue repair due to oxidation-related chronic inflammation. Several attempts have been made to manage this unfavorable situation, and the use of biomaterials with antioxidant activity is showing great promise in tissue engineering and regenerative medicine approaches. Bioactive glasses (BGs) are a versatile group of inorganic substances that exhibit an outstanding regenerative capacity for both hard and soft damaged tissues. The chemical composition of BGs provides a great opportunity for imparting specific biological activities to them. On this point, BGs may easily become antioxidant substances through simple physicochemical modifications. For example, particular antioxidant elements (mostly cerium (Ce)) can be added to the basic composition of the glasses. On the other hand, grafting natural antioxidant substances (e.g., polyphenols) on the BG surface is feasible for making antioxidant substitutes with promising results in vitro. Mesoporous BGs (MBGs) were demonstrated to have unique merits compared with melt-derived BGs since they make it possible to load antioxidants and deliver them to the desired locations. However, there are actually limited in vivo experimental studies on the capability of modified BGs for scavenging free radicals (e.g., reactive oxygen species (ROS)). Therefore, more research is required to determine the actual potential of BGs in decreasing oxidative stress and subsequently improving tissue repair and regeneration. The present work aims to highlight the potential of different types of BGs in modulating oxidative stress and subsequently improving tissue healing.
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Affiliation(s)
- Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran
- Correspondence: S.K: (S.K.); (F.B.)
| | - Sara Hooshmand
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
| | - Seyede Atefe Hosseini
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran
| | - Sara Gorgani
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran
| | - Farzad Kermani
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
- Correspondence: S.K: (S.K.); (F.B.)
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Barbosa TV, Dernowsek JA, Tobar RR, Casali BC, Fortulan CA, Ferreira EBF, Selistre de Araújo HS, Branciforti MC. Fabrication, morphological, mechanical and biological performance of 3D printed poly(ε-caprolactone)/bioglass composite scaffolds for bone tissue engineering applications. Biomed Mater 2022; 17. [PMID: 35948004 DOI: 10.1088/1748-605x/ac88ad] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/10/2022] [Indexed: 11/12/2022]
Abstract
Several techniques, such as additive manufacturing, have been used for the manufacture of polymer-ceramic composite scaffolds for bone tissue engineering. A new extruder head recently developed for improving the manufacturing process is an experimental 3D printer Fab@CTI that enables the use of ceramic powders in the processing of composite materials or polymer blends. Still, the manufacturing process needs improvement to promotes the dispersion of ceramic particles in the polymer matrix. This article addresses the manufacture of scaffolds by 3D printing from mixtures of poly(ε-caprolactone) (PCL) and a glass powder of same composition of 45S5Bioglass®, labeled as synthesized bioglass (SBG), according to two different methods that investigated the efficiency of the new extruder head. The first one is a single extrusion process in a Fab@CTI 3D printer, and the other consists in the pre-processing of the PCL-SBG mixture in a mono-screw extruder with a Maddock®element, followed by direct extrusion in the experimental Fab@CTI 3D printer. The morphological characterization of the extruded samples by SEM showed an architecture of 0o/90o interconnected struts and suitable porosity for bone tissue engineering applications. Scaffolds fabricated by two methods shows compressive modulus ranging from 54.4 ± 14.2 MPa to 155.9 ± 20.4 MPa, results that are compatible to use in bone tissue engineering. Cytotoxicity assays showed non-toxic effects and viability for in vitro MG-63 cell proliferation. Alizarin Red staining test showed calcium deposition in all scaffolds, which suggests PCL/SBG composites promising candidates for use in bone tissue engineering. Results of cell morphology suggest more cell growth and adhesion for scaffolds fabricated using the pre-processing in a mono-screw extruder.
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Affiliation(s)
- Talita Villa Barbosa
- Department of Materials Engineering, University of Sao Paulo, Avenida Trabalhador Sao-carlense, 400, Sao Carlos, Sao Paulo, 13566-590, BRAZIL
| | - Janaina Andréa Dernowsek
- Three-Dimensional Technologies Division, Renato Archer Information Technology Center, Rodovia Dom Pedro I, km 143, Campinas, Sao Paulo, 13069-901, BRAZIL
| | - Raul Revelo Tobar
- Department of Materials Engineering, University of Sao Paulo, Avenida Trabalhador Sao-carlense, 400, Sao Carlos, Sao Paulo, 13566-590, BRAZIL
| | - Bruna Carla Casali
- Department of Physiological Sciences, Federal University of Sao Carlos, Rodovia Washington Luiz, km 235, Sao Carlos, Sao Paulo, 13565-905, BRAZIL
| | - Carlos Alberto Fortulan
- Department of Mechanical Engineering, University of Sao Paulo, Avenida Trabalhador Sao-carlense, 400, Sao Carlos, Sao Paulo, 13566-590, BRAZIL
| | - Eduardo Bellini Ferreira Ferreira
- Department of Materials Engineering, University of Sao Paulo, Avenida Trabalhador Sao-carlense, 400, Sao Carlos, Sao Paulo, 13566-590, BRAZIL
| | - Heloísa Sobreiro Selistre de Araújo
- Department of Physiological Sciences, Federal University of Sao Carlos, Rodovia Washington Luís, km 235, Sao Carlos, Sao Paulo, 13565-905, BRAZIL
| | - Marcia Cristina Branciforti
- Department of Materials Engineering, University of Sao Paulo, Avenida Trabalhador Sao-carlense, 400, Sao Paulo, Sao Paulo, 13566-590, BRAZIL
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Pryadko A AS, Mukhortova YR, Chernozem RV, Pariy I, Alipkina SI, Zharkova II, Dudun AA, Zhuikov VA, Moisenovich AM, Bonartseva GA, Voinova VV, Chesnokova DV, Ivanov AA, Travnikova DY, Shaitan KV, Bonartsev AP, Wagner DV, Shlapakova LE, Surmenev RA, Surmeneva MA. Electrospun Magnetic Composite Poly-3-hydroxybutyrate/Magnetite Scaffolds for Biomedical Applications: Composition, Structure, Magnetic Properties, and Biological Performance. ACS APPLIED BIO MATERIALS 2022; 5:3999-4019. [PMID: 35925883 DOI: 10.1021/acsabm.2c00496] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Magnetically responsive composite polymer scaffolds have good potential for a variety of biomedical applications. In this work, electrospun composite scaffolds made of polyhydroxybutyrate (PHB) and magnetite (Fe3O4) particles (MPs) were studied before and after degradation in either PBS or a lipase solution. MPs of different sizes with high saturation magnetization were synthesized by the coprecipitation method followed by coating with citric acid (CA). Nanosized MPs were prone to magnetite-maghemite phase transformation during scaffold fabrication, as revealed by Raman spectroscopy; however, for CA-functionalized nanoparticles, the main phase was found to be magnetite, with some traces of maghemite. Submicron MPs were resistant to the magnetite-maghemite phase transformation. MPs did not significantly affect the morphology and diameter of PHB fibers. The scaffolds containing CA-coated MPs lost 0.3 or 0.2% of mass in the lipase solution and PBS, respectively, whereas scaffolds doped with unmodified MPs showed no mass changes after 1 month of incubation in either medium. In all electrospun scaffolds, no alterations of the fiber morphology were observed. Possible mechanisms of the crystalline-lamellar-structure changes in hybrid PHB/Fe3O4 scaffolds during hydrolytic and enzymatic degradation are proposed. It was revealed that particle size and particle surface functionalization affect the mechanical properties of the hybrid scaffolds. The addition of unmodified MPs increased scaffolds' ultimate strength but reduced elongation at break after the biodegradation, whereas simultaneous increases in both parameters were observed for composite scaffolds doped with CA-coated MPs. The highest saturation magnetization─higher than that published in the literature─was registered for composite PHB scaffolds doped with submicron MPs. All PHB scaffolds proved to be biocompatible, and the ones doped with nanosized MPs yielded faster proliferation of rat mesenchymal stem cells. In addition, all electrospun scaffolds were able to support angiogenesis in vivo at 30 days after implantation in Wistar rats.
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Affiliation(s)
- Artyom S Pryadko A
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Yulia R Mukhortova
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Roman V Chernozem
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Igor Pariy
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Svetlana I Alipkina
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Irina I Zharkova
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Andrey A Dudun
- Research Center of Biotechnology, Russian Academy of Sciences, Leninsky Ave 33, Bldg. 2, Moscow 119071, Russia
| | - Vsevolod A Zhuikov
- Research Center of Biotechnology, Russian Academy of Sciences, Leninsky Ave 33, Bldg. 2, Moscow 119071, Russia
| | - Anastasia M Moisenovich
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Garina A Bonartseva
- Research Center of Biotechnology, Russian Academy of Sciences, Leninsky Ave 33, Bldg. 2, Moscow 119071, Russia
| | - Vera V Voinova
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Dariana V Chesnokova
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Alexey A Ivanov
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Daria Yu Travnikova
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Konstantin V Shaitan
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Anton P Bonartsev
- Faculty of Biology, M.V. Lomonosov Moscow State University, Leninskie Gory 1-12, Moscow 119234, Russia
| | - Dmitry V Wagner
- National Research Tomsk State University, Tomsk 634050, Russia
| | - Lada E Shlapakova
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Roman A Surmenev
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
| | - Maria A Surmeneva
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
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13
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Morphology and crystallization behaviour of polyhydroxyalkanoates-based blends and composites: A review. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Canales DA, Reyes F, Saavedra M, Peponi L, Leonés A, Palza H, Boccaccini AR, Grünewald A, Zapata PA. Electrospun fibers of poly (lactic acid) containing bioactive glass and magnesium oxide nanoparticles for bone tissue regeneration. Int J Biol Macromol 2022; 210:324-336. [PMID: 35545139 DOI: 10.1016/j.ijbiomac.2022.05.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
Abstract
Electrospun fibers of poly (lactic acid) (PLA) containing 10 and 20 wt% of bioactive glass (n-BG) and magnesium oxide (n-MgO) nanoparticles of ca. 27 and 23 nm respectively, were prepared toward to application in bone tissue engineering. The addition of both nanoparticles into the PLA will produce a synergic effect increasing its bioactivity and antimicrobial behavior. Neat PLA scaffold and the composites with MgO showed an average fiber diameter of 1.7 ± 0.6 μm, PLA/n-BG and PLA/n-BG/n-MgO fibers presented a significant diameter increase reaching values of ca. 3.1 ± 0.8 μm. Young's modulus of the electrospun scaffolds was affected by the direct presence of the particle and scaffold morphologies. All the composites having n-BG presented bioactivity through the precipitation of hydroxyapatite structures on the surface. Although n-MgO did not add bioactivity to the PLA fibers, they were able to render antimicrobial characteristics reducing the S. aureus viability around 30%, although an effect on E. coli strain was not observed. PLA/n-BG nanocomposites did not display any significant antimicrobial behavior. The different composites increased the alkaline phosphatase (ALP) expression as compared with pure PLA barely affecting the cell viability, meaning a good osteoblastic phenotype expression capacity, with PLA/n-BG presenting the highest osteoblastic expression.
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Affiliation(s)
- Daniel A Canales
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Felipe Reyes
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Marcela Saavedra
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Madrid, Spain
| | - Adrián Leonés
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Madrid, Spain
| | - Humberto Palza
- Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Chile
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany; Bavarian Polymer Institute, 91058 Erlangen, Germany
| | - Alina Grünewald
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Paula A Zapata
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile.
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15
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Ankush K, Pugazhenthi G, Mohit K, Vasanth D. Experimental study on fabrication, biocompatibility and mechanical characterization of polyhydroxybutyrate-ball clay bionanocomposites for bone tissue engineering. Int J Biol Macromol 2022; 209:1995-2008. [PMID: 35504414 DOI: 10.1016/j.ijbiomac.2022.04.178] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 01/14/2023]
Abstract
The poly (3-hydroxybutyrate) (PHB)/ball clay nanocomposites (B1-B10) were synthesized using solvent casting method with different weight percentage of ball clay in PHB matrix. Scanning electron microscope (SEM) showed maximum root mean square roughness (188.73 μm) for 10% ball clay loading. Fourier transforms infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) showed establishment of intercalated structure and formation of hydrogen bond between ball clay and PHB matrix. Contact angle values (67.3 - 51.3°) exhibited that the nanocomposites (B1-B10) are more hydrophilic than neat PHB (70.30°). Thermogravimetric (TGA) and differential scanning calorimetry (DSC) revealed maximum Tmax (278 °C) and Tm (175 °C) for the nanocomposite B10 (PHB/PEG/ball clay: 80%/10%/10%). Maximum tensile strength (38.21 ± 0.15 MPa) and Young's modulus (1.74 ± 0.016 GPa) was observed for B10 nanocomposite. The values of protein adsorption, platelet adhesion, PT, APTT and complement activation for B10 nanocomposites were 165 ± 2 μg/cm2, 72 ± 3 × 109 platelets/cm2, 23 ± 1 s, 44 ± 2 s, 102 ± 2 mg/dL and 631 ± 3 mg/dL, respectively. Hydroxyapatite formation was also observed for nanocomposite (B10) in in vitro simulated body fluid (SBF) study. Finally, the nanocomposite (B10) showed no harmful effect on MG-63 cells, indicating that they are physiologically safe.
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Affiliation(s)
- K Ankush
- Department of Biotechnology, National institute of Technology Raipur, Raipur, Chhattisgarh 492010, India
| | - G Pugazhenthi
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - K Mohit
- Department of Biotechnology, National institute of Technology Raipur, Raipur, Chhattisgarh 492010, India
| | - D Vasanth
- Department of Biotechnology, National institute of Technology Raipur, Raipur, Chhattisgarh 492010, India.
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16
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Characterization of Physical and Biological Properties of a Caries-Arresting Liquid Containing Copper Doped Bioglass Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14061137. [PMID: 35745710 PMCID: PMC9227760 DOI: 10.3390/pharmaceutics14061137] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 02/06/2023] Open
Abstract
Silver diamine fluoride (SDF) is an outstanding dental material for arresting and preventing caries, but some drawbacks, such as high flowability due to low viscosity and cytotoxicity to the pulp, have been reported. To overcome these problems, copper-doped bioactive glass nanoparticles (CuBGns) were combined with SDF. After synthesis, CuBGns were examined by physical analysis and added in SDF at different weight/volume% (SDF@CuBGn). After assessing physical properties (viscosity and flowability) of SDF@CuBGn, physicochemical properties (morphology before and after simulated body fluid (SBF) immersion and ion release) of SDF@CuBGn-applied hydroxyapatite (HA) discs were evaluated. Biological properties were further evaluated by cytotoxicity test to pulp stem cells and antibacterial effect on cariogenic organisms (Streptococcus mutans and Staphylococcus aureus). Combining CuBGns in SDF increased the viscosity up to 3 times while lowering the flowability. More CuBGns and functional elements in SDF (Ag and F) were deposited on the HA substrate, even after SBF immersion test for 14 days, and they showed higher Cu, Ca, and Si release without changing F and Ag release. Cell viability test suggested lower cytotoxicity in SDF@CuBGn-applied HA, while CuBGns in SDF boosted antibacterial effect against S. aureus, ~27% in diameter of agar diffusion test. In conclusion, the addition of CuBGn to SDF enhances viscosity, Ag and F deposition, and antibacterial effects while reducing cell toxicity, highlighting the role of bioactive CuBGns for regulating physical and biological effects of dental materials.
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17
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Strontium- and peptide-modified silicate nanostructures for dual osteogenic and antimicrobial activity. BIOMATERIALS ADVANCES 2022; 135:212735. [PMID: 35929201 DOI: 10.1016/j.bioadv.2022.212735] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/19/2022] [Accepted: 02/21/2022] [Indexed: 12/29/2022]
Abstract
Developing multifunctional nanostructures that promote bone repair while fighting infection is highly desirable in bone regenerative therapies. Previous efforts have focused on achieving one property or another by altering the chemical makeup of nanostructures or using growth factors or antibiotics. We present nanostructures with several simultaneous functional attributes including positive effects of strontium on bone formation and prevention of osteoclast differentiation along with incorporation of antimicrobial peptides (AMP) to prevent infection. To form these multifunctional nanostructures, mesoporous calcium silicate (CaMSN) was modified with high levels of strontium. For this, CaMSNs were either partially substituted (20 wt% Ca) or completely replaced with strontium (Sr) to form Sr-CaMSN or SrMSN. The mesoporous nature of these bioactive silicate nanostructures rendered a configuration for substantial AMP loading as well as their effective delivery. The physico-chemical and structural characterization of synthesized MSNs confirmed the mesoporous nature of the synthesized MSNs and their total surface area, pore size, pore volume and SBF-mediated bioactivity remained unaltered with the incorporation of Sr. However, biological evaluation confirmed that synthesized SrMSN upregulated osteogenic differentiation of mesenchymal stromal cells and significantly downregulated osteoclast differentiation. Also, the AMP-loaded MSNs prevented formation and growth of methicillin resistant Staphylococcus aureus (MRSA) biofilms. Thus, high Sr-containing AMP-loaded SrMSNs may combat MRSA-associated infection while promoting bone regeneration. The controlled availability of therapeutic Sr and AMP release as SrMSN degrade enables its potential application in bone tissue regeneration.
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18
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Ankush K, Pugazhenthi G, Vasanth D. Fabrication and properties of polyhydroxybutyrate/kaolin nanocomposites and evaluation of their biocompatibility for biomedical applications. J Appl Polym Sci 2022. [DOI: 10.1002/app.51803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- K. Ankush
- Department of Biotechnology National Institute of Technology Raipur India
| | - G. Pugazhenthi
- Department of Chemical Engineering Indian Institute of Technology Guwahati India
| | - D. Vasanth
- Department of Biotechnology National Institute of Technology Raipur India
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19
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Dhania S, Bernela M, Rani R, Parsad M, Grewal S, Kumari S, Thakur R. Scaffolds the backbone of tissue engineering: Advancements in use of polyhydroxyalkanoates (PHA). Int J Biol Macromol 2022; 208:243-259. [PMID: 35278518 DOI: 10.1016/j.ijbiomac.2022.03.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 12/11/2022]
Abstract
Our body is built to heal from inside out naturally but wide-ranging medical conditions necessitate the need for artificial assistance, and therefore, something that can assist the body to heal wounds and damaged tissues quickly and efficiently is of utmost importance. Tissue engineering technology helps to regenerate new tissue to replace the diseased or injured one. The technology uses biodegradable porous three-dimensional scaffolds for mimicking the structure and functions of the natural extracellular matrix. The material and design of scaffolds are critical areas of biomaterial research. Biomaterial-based three-dimensional structures have been the most promising material to serve as scaffolds for seeding cells, both in vivo and in vitro. One such material is polyhydroxyalkanoates (PHAs) which are thermoplastic biopolyesters that are highly suitable for this purpose due to their enhanced biocompatibility, biodegradability, thermo-processability, diverse mechanical properties, non-toxicity and natural origin. Moreover, they have tremendous possibilities of customization through biological physical and chemical modification as well as blending with other materials. They are being used for several tissue engineering applications such as bone graft substitute, cardiovascular patches, stents, for nerve repair and in implantology as valves and sutures. The present review overviews usage of a multitude of PHA-based biomaterials for a wide range of tissue engineering applications, based on their properties suitable for the specific applications.
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Affiliation(s)
- Sunena Dhania
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Manju Bernela
- Department of Biotechnology, Guru Nanak Dev University, Amritsar 143005, Punjab, India
| | - Ruma Rani
- ICAR-National Research Centre on Equines, Hisar 125001, Haryana, India
| | - Minakshi Parsad
- Department of Animal Biotechnology, LUVAS, Hisar 125001, Haryana, India
| | - Sapna Grewal
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Santosh Kumari
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Rajesh Thakur
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India.
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20
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van Rijt S, de Groot K, Leeuwenburgh SCG. Calcium phosphate and silicate-based nanoparticles: history and emerging trends. Tissue Eng Part A 2022; 28:461-477. [PMID: 35107351 DOI: 10.1089/ten.tea.2021.0218] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Bulk calcium phosphates and silicate-based bioglasses have been extensively studied since the early 1970s due to their unique capacity to bind to host bone, which led to their clinical translation and commercialization in the 1980s. Since the mid-1990s, researchers have synthesized nanoscale calcium phosphate and silicate-based particles of increased specific surface area, chemical reactivity and solubility which offer specific advantages as compared to their bulk counterparts. This review provides a critical perspective on the history and emerging trends of these two classes of ceramic nanoparticles. Their synthesis and functional properties in terms of particle composition, size, shape, charge, dispersion, and toxicity are discussed as a function of relevant processing parameters. Specifically, emerging trends such as the influence of ion doping and mesoporosity on the biological and pharmaceutical performance of these nanoparticles are reviewed in more detail. Finally, a broad comparative overview is provided on the physicochemical properties and applicability of calcium phosphate and silicate-based nanoparticles within the fields of i) local delivery of therapeutic agents, ii) functionalization of biomaterial scaffolds or implant coatings, and iii) bio-imaging applications.
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Affiliation(s)
- Sabine van Rijt
- Maastricht University, 5211, MERLN Institute-Instructive Biomaterial Engineering, Maastricht, Limburg, Netherlands;
| | - Klaas de Groot
- Vrije Universiteit Amsterdam, 1190, Academic Center for Dentistry Amsterdam (ACTA)-Department of Oral Implantology and Prosthetic Dentistry, Amsterdam, Noord-Holland, Netherlands;
| | - Sander C G Leeuwenburgh
- Radboudumc, 6034, Dept. of Dentistry-Regenerative Biomaterials, Nijmegen, Gelderland, Netherlands;
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21
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Wu S, Cheng X, Xu X, Wu J, Huang Z, Guo Z, He P, Zhou C, Li H. In vivo and in vitro evaluation of chitosan-modified bioactive glass paste for wound healing. J Mater Chem B 2022; 10:598-606. [PMID: 34988576 DOI: 10.1039/d1tb02083h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, the role of chitosan (CS) in improving the properties of bioactive glass (BG) paste for wound healing was studied. Based on in vitro evaluation, it was found that the addition of CS neutralizes the pH value from 11.0 to 7.5, which did not lead to decreasing the bioactivity of BG paste in vitro. The rheological properties showed that the composite paste had higher bio-adhesion and better affinity with the skin surface than either CS or the BG paste. The antibacterial property evaluation showed that the composite paste had stronger antibacterial activity than either CS or BG paste and promoted the proliferation of HUVECs (human umbilical vein endothelial cells) and HaCat (human immortalized keratinocyte cells). Comparatively, the effect of promoting the proliferation of HUVECs is more significant than that of HaCat. The burn-wound model of rat was developed for evaluating in vivo activity, and the addition of CS effectively promoted wound healing without obvious inflammation according to the IL-1β and IL-6 staining. This novel paste is expected to provide a promising alternative for wound healing.
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Affiliation(s)
- Shuai Wu
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Guangdong Taibao Medical Science and Technology CO., Ltd, Puning, 515345, P. R. China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Xiaoyang Cheng
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Xiaomu Xu
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Jiacheng Wu
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Zhiqiang Huang
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Zhenzhao Guo
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China.,Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, P. R. China
| | - Ping He
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Changren Zhou
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
| | - Hong Li
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China. .,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
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22
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Zeimaran E, Pourshahrestani S, Fathi A, Razak NABA, Kadri NA, Sheikhi A, Baino F. Advances in bioactive glass-containing injectable hydrogel biomaterials for tissue regeneration. Acta Biomater 2021; 136:1-36. [PMID: 34562661 DOI: 10.1016/j.actbio.2021.09.034] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 02/07/2023]
Abstract
Successful tissue regeneration requires a scaffold with tailorable biodegradability, tissue-like mechanical properties, structural similarity to extracellular matrix (ECM), relevant bioactivity, and cytocompatibility. In recent years, injectable hydrogels have spurred increasing attention in translational medicine as a result of their tunable physicochemical properties in response to the surrounding environment. Furthermore, they have the potential to be implanted via minimally invasive procedures while enabling deep penetration, which is considered a feasible alternative to traditional open surgical procedures. However, polymeric hydrogels may lack sufficient stability and bioactivity in physiological environments. Composite hydrogels containing bioactive glass (BG) particulates, synergistically combining the advantages of their constituents, have emerged as multifunctional biomaterials with tailored mechanical properties and biological functionalities. This review paper highlights the recent advances in injectable composite hydrogel systems based on biodegradable polymers and BGs. The influence of BG particle geometry, composition, and concentration on gel formation, rheological and mechanical behavior as well as hydration and biodegradation of injectable hydrogels have been discussed. The applications of these composite hydrogels in tissue engineering are additionally described, with particular attention to bone and skin. Finally, the prospects and current challenges in the development of desirable injectable bioactive hydrogels for tissue regeneration are discussed to outline a roadmap for future research. STATEMENT OF SIGNIFICANCE: Developing a biomaterial that can be readily available for surgery, implantable via minimally invasive procedures, and be able to effectively stimulate tissue regeneration is one of the grand challenges in modern biomedicine. This review summarizes the state-of-the-art of injectable bioactive glass-polymer composite hydrogels to address several challenges in bone and soft tissue repair. The current limitations and the latest evolutions of these composite biomaterials are critically examined, and the roles of design parameters, such as composition, concentration, and size of the bioactive phase, and polymer-glass interactions on the rheological, mechanical, biological, and overall functional performance of hydrogels are detailed. Existing results and new horizons are discussed to provide a state-of-the-art review that may be useful for both experienced and early-stage researchers in the biomaterials community.
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23
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Kroschwald LM, Allerdt F, Bernhardt A, Rother S, Zheng K, Maqsood I, Halfter N, Heinemann C, Möller S, Schnabelrauch M, Hacker MC, Rammelt S, Boccaccini AR, Hintze V. Artificial Extracellular Matrices Containing Bioactive Glass Nanoparticles Promote Osteogenic Differentiation in Human Mesenchymal Stem Cells. Int J Mol Sci 2021; 22:ijms222312819. [PMID: 34884623 PMCID: PMC8657909 DOI: 10.3390/ijms222312819] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 02/07/2023] Open
Abstract
The present study analyzes the capacity of collagen (coll)/sulfated glycosaminoglycan (sGAG)-based surface coatings containing bioactive glass nanoparticles (BGN) in promoting the osteogenic differentiation of human mesenchymal stroma cells (hMSC). Physicochemical characteristics of these coatings and their effects on proliferation and osteogenic differentiation of hMSC were investigated. BGN were stably incorporated into the artificial extracellular matrices (aECM). Oscillatory rheology showed predominantly elastic, gel-like properties of the coatings. The complex viscosity increased depending on the GAG component and was further elevated by adding BGN. BGN-containing aECM showed a release of silicon ions as well as an uptake of calcium ions. hMSC were able to proliferate on coll and coll/sGAG coatings, while cellular growth was delayed on aECM containing BGN. However, a stimulating effect of BGN on ALP activity and calcium deposition was shown. Furthermore, a synergistic effect of sGAG and BGN was found for some donors. Our findings demonstrated the promising potential of aECM and BGN combinations in promoting bone regeneration. Still, future work is required to further optimize the BGN/aECM combination for increasing its combined osteogenic effect.
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Affiliation(s)
- Lysann M. Kroschwald
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital “Carl Gustav Carus”, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany; (L.M.K.); (A.B.)
| | - Felix Allerdt
- Institute of Materials Science, Max Bergmann Center of Biomaterials, TU Dresden, Budapester Straße 27, D-01069 Dresden, Germany; (F.A.); (S.R.); (N.H.); (C.H.)
| | - Anne Bernhardt
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital “Carl Gustav Carus”, Technische Universität Dresden, Fetscherstraße 74, D-01307 Dresden, Germany; (L.M.K.); (A.B.)
| | - Sandra Rother
- Institute of Materials Science, Max Bergmann Center of Biomaterials, TU Dresden, Budapester Straße 27, D-01069 Dresden, Germany; (F.A.); (S.R.); (N.H.); (C.H.)
| | - Kai Zheng
- Institute of Biomaterials, University of Erlangen-Nuremberg, D-91058 Erlangen, Germany; (K.Z.); (A.R.B.)
| | - Iram Maqsood
- Institute for Pharmacy, Pharmaceutical Technology, University Leipzig, D-04317 Leipzig, Germany;
- Riphah Institute of Pharmaceutical Sciences (RIPS), Riphah International University (RIU), Lahore 54000, Pakistan
| | - Norbert Halfter
- Institute of Materials Science, Max Bergmann Center of Biomaterials, TU Dresden, Budapester Straße 27, D-01069 Dresden, Germany; (F.A.); (S.R.); (N.H.); (C.H.)
| | - Christiane Heinemann
- Institute of Materials Science, Max Bergmann Center of Biomaterials, TU Dresden, Budapester Straße 27, D-01069 Dresden, Germany; (F.A.); (S.R.); (N.H.); (C.H.)
| | - Stephanie Möller
- Biomaterials Department, INNOVENT e.V., D-07745 Jena, Germany; (S.M.); (M.S.)
| | | | - Michael C. Hacker
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, D-40225 Düsseldorf, Germany;
| | - Stefan Rammelt
- University Centre for Orthopaedics, Plastic and Trauma Surgery, University Hospital Carl Gustav Carus, D-01307 Dresden, Germany;
| | - Aldo R. Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, D-91058 Erlangen, Germany; (K.Z.); (A.R.B.)
| | - Vera Hintze
- Institute of Materials Science, Max Bergmann Center of Biomaterials, TU Dresden, Budapester Straße 27, D-01069 Dresden, Germany; (F.A.); (S.R.); (N.H.); (C.H.)
- Correspondence:
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Font Tellado S, Delgado JA, Poh SPP, Zhang W, García-Vallés M, Martínez S, Gorustovich A, Morejón L, van Griensven M, Balmayor ER. Phosphorous pentoxide-free bioactive glass exhibits dose-dependent angiogenic and osteogenic capacities which are retained in glass polymeric composite scaffolds. Biomater Sci 2021; 9:7876-7894. [PMID: 34676835 DOI: 10.1039/d1bm01311d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioactive glasses (BGs) are attractive materials for bone tissue engineering because of their bioactivity and osteoinductivity. In this study, we report the synthesis of a novel phosphorous pentoxide-free, silicate-based bioactive glass (52S-BG) composed of 52.1% SiO2, 23.2% Na2O and 22.6% CaO (wt%). The glass was thoroughly characterized. The biocompatibility and osteogenic properties of 52S-BG particles were analyzed in vitro with human adipose-derived mesenchymal stem cells (AdMSCs) and human osteoblasts. 52S-BG particles were biocompatible and induced mineralized matrix deposition and the expression of osteogenic markers (RunX2, alkaline phosphatase, osteocalcin, osteopontin, collagen I) and the angiogenic marker vascular endothelial growth factor (VEGF). Angiogenic properties were additionally confirmed in a zebrafish embryo model. 52S-BG was added to poly-ε-caprolactone (PCL) to obtain a composite with 10 wt% glass content. Composite PCL/52S-BG scaffolds were fabricated by additive manufacturing and displayed high porosity (76%) and pore interconnectivity. The incorporation of 52S-BG particles increased the Young's modulus of PCL scaffolds from 180 to 230 MPa. AdMSC seeding efficiency and proliferation were higher in PCL/52S-BG compared to PCL scaffolds, indicating improved biocompatibility. Finally, 52S-BG incorporation improved the scaffolds' osteogenic and angiogenic properties by increasing mineral deposition and inducing relevant gene expression and VEGF protein secretion. Overall, 52S-BG particles and PCL/52S-BG composites may be attractive for diverse bone engineering applications requiring concomitant angiogenic properties.
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Affiliation(s)
- Sonia Font Tellado
- Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | - José Angel Delgado
- Center for Biomaterials, University of Havana, 10400 Havana, Cuba.,Universitat Internacional de Catalunya, 08195 Barcelona, Spain
| | - Su Ping Patrina Poh
- Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany.,Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Julius Wolff Institute, 13353 Berlin, Germany
| | - Wen Zhang
- Institute of Molecular Immunology and Experimental Oncology, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany.,Ethris GmbH, 82152 Planegg, Germany
| | - Maite García-Vallés
- Mineralogy, Petrology and Applied Geology Department, University of Barcelona, 08028 Barcelona, Spain
| | - Salvador Martínez
- Mineralogy, Petrology and Applied Geology Department, University of Barcelona, 08028 Barcelona, Spain
| | - Alejandro Gorustovich
- Interdisciplinary Materials Group-IESIING-UCASAL, INTECIN UBA-CONICET, A4400EDD Salta, Argentina
| | - Lizette Morejón
- Center for Biomaterials, University of Havana, 10400 Havana, Cuba
| | - Martijn van Griensven
- Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany.,cBITE, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6200 MD Maastricht, the Netherlands
| | - Elizabeth Rosado Balmayor
- Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany.,IBE, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6200 MD Maastricht, the Netherlands.
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25
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Sonatkar J, Kandasubramanian B. Bioactive glass with biocompatible polymers for bone applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110801] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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26
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Moschetta M, Chiacchiaretta M, Cesca F, Roy I, Athanassiou A, Benfenati F, Papadopoulou EL, Bramini M. Graphene Nanoplatelets Render Poly(3-Hydroxybutyrate) a Suitable Scaffold to Promote Neuronal Network Development. Front Neurosci 2021; 15:731198. [PMID: 34616276 PMCID: PMC8488094 DOI: 10.3389/fnins.2021.731198] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 08/13/2021] [Indexed: 12/22/2022] Open
Abstract
The use of composite biomaterials as innovative bio-friendly neuronal interfaces has been poorly developed so far. Smart strategies to target neuro-pathologies are currently exploiting the mixed and complementary characteristics of composite materials to better design future neural interfaces. Here we present a polymer-based scaffold that has been rendered suitable for primary neurons by embedding graphene nanoplatelets (GnP). In particular, the growth, network formation, and functionality of primary neurons on poly(3-hydroxybutyrate) [P(3HB)] polymer supports functionalized with various concentrations of GnP were explored. After growing primary cortical neurons onto the supports for 14 days, all specimens were found to be biocompatible, revealing physiological growth and maturation of the neuronal network. When network functionality was investigated by whole patch-clamp measurements, pure P(3HB) led to changes in the action potential waveform and reduction in firing frequency, resulting in decreased neuronal excitability. However, the addition of GnP to the polymer matrix restored the electrophysiological parameters to physiological values. Interestingly, a low concentration of graphene was able to promote firing activity at a low level of injected current. The results indicate that the P(3HB)/GnP composites show great potential for electrical interfacing with primary neurons to eventually target central nervous system disorders.
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Affiliation(s)
- Matteo Moschetta
- Center for Synaptic Neuroscience and Technologies, Istituto Italiano di Tecnologia, Genova, Italy.,Department of Experimental Medicine, University of Genova, Genova, Italy
| | - Martina Chiacchiaretta
- Center for Synaptic Neuroscience and Technologies, Istituto Italiano di Tecnologia, Genova, Italy
| | - Fabrizia Cesca
- Center for Synaptic Neuroscience and Technologies, Istituto Italiano di Tecnologia, Genova, Italy
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | | | - Fabio Benfenati
- Center for Synaptic Neuroscience and Technologies, Istituto Italiano di Tecnologia, Genova, Italy.,IRCSS, Ospedale Policlinico San Martino, Genova, Italy
| | | | - Mattia Bramini
- Center for Synaptic Neuroscience and Technologies, Istituto Italiano di Tecnologia, Genova, Italy.,Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
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27
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Qi J, Yu T, Hu B, Wu H, Ouyang H. Current Biomaterial-Based Bone Tissue Engineering and Translational Medicine. Int J Mol Sci 2021; 22:10233. [PMID: 34638571 PMCID: PMC8508818 DOI: 10.3390/ijms221910233] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/14/2021] [Accepted: 09/19/2021] [Indexed: 11/16/2022] Open
Abstract
Bone defects cause significant socio-economic costs worldwide, while the clinical "gold standard" of bone repair, the autologous bone graft, has limitations including limited graft supply, secondary injury, chronic pain and infection. Therefore, to reduce surgical complexity and speed up bone healing, innovative therapies are needed. Bone tissue engineering (BTE), a new cross-disciplinary science arisen in the 21st century, creates artificial environments specially constructed to facilitate bone regeneration and growth. By combining stem cells, scaffolds and growth factors, BTE fabricates biological substitutes to restore the functions of injured bone. Although BTE has made many valuable achievements, there remain some unsolved challenges. In this review, the latest research and application of stem cells, scaffolds, and growth factors in BTE are summarized with the aim of providing references for the clinical application of BTE.
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Affiliation(s)
- Jingqi Qi
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China;
- Zhejiang University-University of Edinburgh Institute, Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Tianqi Yu
- Department of Mechanical Engineering, Zhejiang University-University of Illinois at Urbana-Champaign Institute, Zhejiang University, Haining 314400, China;
| | - Bangyan Hu
- Section of Molecular and Cell Biology, Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA;
| | - Hongwei Wu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China;
- Zhejiang University-University of Edinburgh Institute, Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China;
- Zhejiang University-University of Edinburgh Institute, Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310003, China
- Department of Sports Medicine, Zhejiang University School of Medicine, Hangzhou 310003, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou 310003, China
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28
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Hajiali H, Ouyang L, Llopis-Hernandez V, Dobre O, Rose FRAJ. Review of emerging nanotechnology in bone regeneration: progress, challenges, and perspectives. NANOSCALE 2021; 13:10266-10280. [PMID: 34085085 DOI: 10.1039/d1nr01371h] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The application of nanotechnology to regenerative medicine has increased over recent decades. The development of materials that can influence biology at the nanoscale has gained interest as our understanding of the interactions between cells and biomaterials at the nanoscale has grown. Materials that are either nanostructured or influence the nanostructure of the cellular microenvironment have been developed and shown to have advantages over their microscale counterparts. There are several reviews which have been published that discuss how nanomaterials have been used in regenerative medicine, particularly in bone regeneration. Most of these studies have explored this concept in specific areas, such as the application of glass-based nanocomposites, nanotechnology for targeted drug delivery to stimulate bone repair, and the progress in nanotechnology for the treatment of osteoporosis. In this review paper, the impact of nanotechnology in biomaterials development for bone regeneration will be discussed highlighting specifically, nanostructured materials that influence mechanical properties, biocompatibility, and osteoinductivity.
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Affiliation(s)
- Hadi Hajiali
- Division of Regenerative Medicine and Cellular Therapies, School of Pharmacy, University Park, University of Nottingham, NG7 2RD, UK.
| | - Liliang Ouyang
- Department of Materials, Imperial College London, London, SW7 2AZ, UK and Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | | | - Oana Dobre
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, G12 8LT, UK
| | - Felicity R A J Rose
- Division of Regenerative Medicine and Cellular Therapies, School of Pharmacy, University Park, University of Nottingham, NG7 2RD, UK.
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29
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Pryadko A, Surmeneva MA, Surmenev RA. Review of Hybrid Materials Based on Polyhydroxyalkanoates for Tissue Engineering Applications. Polymers (Basel) 2021; 13:1738. [PMID: 34073335 PMCID: PMC8199458 DOI: 10.3390/polym13111738] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/18/2021] [Accepted: 05/20/2021] [Indexed: 12/26/2022] Open
Abstract
This review is focused on hybrid polyhydroxyalkanoate-based (PHA) biomaterials with improved physico-mechanical, chemical, and piezoelectric properties and controlled biodegradation rate for applications in bone, cartilage, nerve and skin tissue engineering. PHAs are polyesters produced by a wide range of bacteria under unbalanced growth conditions. They are biodegradable, biocompatible, and piezoelectric polymers, which make them very attractive biomaterials for various biomedical applications. As naturally derived materials, PHAs have been used for multiple cell and tissue engineering applications; however, their widespread biomedical applications are limited due to their lack of toughness, elasticity, hydrophilicity and bioactivity. The chemical structure of PHAs allows them to combine with other polymers or inorganic materials to form hybrid composites with improved structural and functional properties. Their type (films, fibers, and 3D printed scaffolds) and properties can be tailored with fabrication methods and materials used as fillers. Here, we are aiming to fill in a gap in literature, revealing an up-to-date overview of ongoing research strategies that make use of PHAs as versatile and prospective biomaterials. In this work, a systematic and detailed review of works investigating PHA-based hybrid materials with tailored properties and performance for use in tissue engineering applications is carried out. A literature survey revealed that PHA-based composites have better performance for use in tissue regeneration applications than pure PHA.
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Affiliation(s)
| | | | - Roman A. Surmenev
- Physical Materials Science and Composite Materials Centre, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 30 Lenina Avenue, Tomsk 634050, Russia; (A.P.); (M.A.S.)
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30
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Corral Nunez C, Altamirano Gaete D, Maureira M, Martin J, Covarrubias C. Nanoparticles of Bioactive Glass Enhance Biodentine Bioactivity on Dental Pulp Stem Cells. MATERIALS 2021; 14:ma14102684. [PMID: 34065440 PMCID: PMC8161258 DOI: 10.3390/ma14102684] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/16/2021] [Accepted: 04/20/2021] [Indexed: 12/14/2022]
Abstract
This study aimed to investigate the cytotoxicity and bioactivity of a novel nanocomposite containing nanoparticles of bioactive glass (nBGs) on human dental pulp stem cells (hDPSCs). nBGs were synthesized by the sol–gel method. Biodentine (BD) nanocomposites (nBG/BD) were prepared with 2 and 5% wt of nBG content; unmodified BD and glass ionomer cement were used as references. Cell viability and attachment were evaluated after 3, 7 and 14 days. Odontogenic differentiation was assessed with alkaline phosphatase (ALP) activity after 7 and 14 days of exposure. Cells successfully adhered and proliferated on nBG/BD nanocomposites, cell viability of nanocomposites was comparable with unmodified BD and higher than GIC. nBG/BD nanocomposites were, particularly, more active to promote odontogenic differentiation, expressed as higher ALP activity of hDPSCs after 7 days of exposure, than neat BD or GIC. This novel nanocomposite biomaterial, nBG/BD, allowed hDPSC attachment and proliferation and increased the expression of ALP, upregulated in mineral-producing cells. These findings open opportunities to use nBG/BD in vital pulp therapies.
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Affiliation(s)
- Camila Corral Nunez
- Department of Restorative Dentistry, Faculty of Dentistry, Universidad de Chile, Santiago 8380544, Chile; (D.A.G.); (J.M.)
- Correspondence: (C.C.N.); (C.C.); Tel.: +56-2-9781742 (C.C.N.); +56-2-9785063 (C.C.)
| | - Diego Altamirano Gaete
- Department of Restorative Dentistry, Faculty of Dentistry, Universidad de Chile, Santiago 8380544, Chile; (D.A.G.); (J.M.)
| | - Miguel Maureira
- Laboratory of Nanobiomaterials, Research Institute of Dental Sciences, Faculty of Dentistry, University of Chile, Santiago 8380544, Chile;
| | - Javier Martin
- Department of Restorative Dentistry, Faculty of Dentistry, Universidad de Chile, Santiago 8380544, Chile; (D.A.G.); (J.M.)
| | - Cristian Covarrubias
- Laboratory of Nanobiomaterials, Research Institute of Dental Sciences, Faculty of Dentistry, University of Chile, Santiago 8380544, Chile;
- Correspondence: (C.C.N.); (C.C.); Tel.: +56-2-9781742 (C.C.N.); +56-2-9785063 (C.C.)
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31
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Marcello E, Maqbool M, Nigmatullin R, Cresswell M, Jackson PR, Basnett P, Knowles JC, Boccaccini AR, Roy I. Antibacterial Composite Materials Based on the Combination of Polyhydroxyalkanoates With Selenium and Strontium Co-substituted Hydroxyapatite for Bone Regeneration. Front Bioeng Biotechnol 2021; 9:647007. [PMID: 33898403 PMCID: PMC8059794 DOI: 10.3389/fbioe.2021.647007] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/04/2021] [Indexed: 11/25/2022] Open
Abstract
Due to the threat posed by the rapid growth in the resistance of microbial species to antibiotics, there is an urgent need to develop novel materials for biomedical applications capable of providing antibacterial properties without the use of such drugs. Bone healing represents one of the applications with the highest risk of postoperative infections, with potential serious complications in case of bacterial contaminations. Therefore, tissue engineering approaches aiming at the regeneration of bone tissue should be based on the use of materials possessing antibacterial properties alongside with biological and functional characteristics. In this study, we investigated the combination of polyhydroxyalkanoates (PHAs) with a novel antimicrobial hydroxyapatite (HA) containing selenium and strontium. Strontium was chosen for its well-known osteoinductive properties, while selenium is an emerging element investigated for its multi-functional activity as an antimicrobial and anticancer agent. Successful incorporation of such ions in the HA structure was obtained. Antibacterial activity against Staphylococcus aureus 6538P and Escherichia coli 8739 was confirmed for co-substituted HA in the powder form. Polymer-matrix composites based on two types of PHAs, P(3HB) and P(3HO-co-3HD-co-3HDD), were prepared by the incorporation of the developed antibacterial HA. An in-depth characterization of the composite materials was conducted to evaluate the effect of the filler on the physicochemical, thermal, and mechanical properties of the films. In vitro antibacterial testing showed that the composite samples induce a high reduction of the number of S. aureus 6538P and E. coli 8739 bacterial cells cultured on the surface of the materials. The films are also capable of releasing active ions which inhibited the growth of both Gram-positive and Gram-negative bacteria.
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Affiliation(s)
- Elena Marcello
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
| | - Muhammad Maqbool
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
- Lucideon Ltd., Stoke-on-Trent, United Kingdom
- CAM Bioceramics B.V., Leiden, Netherlands
| | - Rinat Nigmatullin
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
- Bristol Composites Institute (ACCIS), University of Bristol, Bristol, United Kingdom
| | | | | | - Pooja Basnett
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
| | - Jonathan C. Knowles
- Division of Biomaterials and Tissue Engineering, Faculty of Medical Sciences, University College London Eastman Dental Institute, London, United Kingdom
- Department of Nanobiomedical Science and BK21 Plus NBM, Global Research Center for Regenerative Medicine, Dankook University, Cheonan, South Korea
- The Discoveries Centre for Regenerative and Precision Medicine, University College London, London, United Kingdom
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ipsita Roy
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
- Department of Materials Science and Engineering, Faculty of Engineering, The University of Sheffield, Sheffield, United Kingdom
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32
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Huang YR, Wu IT, Chen CC, Ding SJ. In vitro comparisons of microscale and nanoscale calcium silicate particles. J Mater Chem B 2021; 8:6034-6047. [PMID: 32597438 DOI: 10.1039/d0tb01202e] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Calcium silicate (CaSi) materials have been used for bone repair and generation due to their osteogenic properties. Tailoring the surface chemistry and structure of CaSi can enhance its clinical performance. There is no direct comparison between microscale and nanoscale CaSi particles. Therefore, this article aimed to compare and evaluate the surface chemistry, structure, and in vitro properties of microscale CaSi (μCaSi) and nanoscale CaSi (nCaSi) particles synthesized by the sol-gel method and precipitation method, respectively. As a result, the semi-crystalline μCaSi powders were assemblies of irregular microparticles containing a major β-dicalcium silicate phase, while the amorphous nCaSi powders consisted of spherical particles with a size of 100 nm. After soaking in a Tris-HCl solution, the amount of Si ions released from nCaSi was higher than that released from μCaSi, but there was no significant difference in Ca ion release between the two CaSi particles. Compared to microscale CaSi (μCaSi), nanoscale CaSi (nCaSi) significantly enhanced the growth and differentiation of human mesenchymal stem cells (hMSC) and inhibited the function of RAW 264.7 macrophages. In the case of antibacterial activity against Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus), nanoscale nCaSi displayed a higher bacteriostatic ratio, a greater growth inhibition zone and more reactive oxygen species (ROS) production than microscale μCaSi. The conclusion is that nanoscale CaSi had greater antibacterial and osteogenic activity compared to microscale CaSi. Next generation CaSi-based materials with unique properties are emerging to meet specific clinical needs.
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Affiliation(s)
- Yun-Ru Huang
- Institute of Oral Science, Chung Shan Medical University, Taichung 402, Taiwan.
| | - I-Ting Wu
- Institute of Oral Science, Chung Shan Medical University, Taichung 402, Taiwan.
| | - Chun-Cheng Chen
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung 402, Taiwan and School of Dentistry, Chung Shan Medical University, Taichung 402, Taiwan
| | - Shinn-Jyh Ding
- Institute of Oral Science, Chung Shan Medical University, Taichung 402, Taiwan. and Department of Stomatology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
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Schädli GN, Vetsch JR, Baumann RP, de Leeuw AM, Wehrle E, Rubert M, Müller R. Time-lapsed imaging of nanocomposite scaffolds reveals increased bone formation in dynamic compression bioreactors. Commun Biol 2021; 4:110. [PMID: 33495540 PMCID: PMC7835377 DOI: 10.1038/s42003-020-01635-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 12/24/2020] [Indexed: 12/21/2022] Open
Abstract
Progress in bone scaffold development relies on cost-intensive and hardly scalable animal studies. In contrast to in vivo, in vitro studies are often conducted in the absence of dynamic compression. Here, we present an in vitro dynamic compression bioreactor approach to monitor bone formation in scaffolds under cyclic loading. A biopolymer was processed into mechanically competent bone scaffolds that incorporate a high-volume content of ultrasonically treated hydroxyapatite or a mixture with barium titanate nanoparticles. After seeding with human bone marrow stromal cells, time-lapsed imaging of scaffolds in bioreactors revealed increased bone formation in hydroxyapatite scaffolds under cyclic loading. This stimulatory effect was even more pronounced in scaffolds containing a mixture of barium titanate and hydroxyapatite and corroborated by immunohistological staining. Therefore, by combining mechanical loading and time-lapsed imaging, this in vitro bioreactor strategy may potentially accelerate development of engineered bone scaffolds and reduce the use of animals for experimentation. Schädli et al. present a bioreactor system that combines mechanical loading with longitudinal microCT imaging to assess bone mineralization in a poly(lactic-co-glycolic acid) (PLGA) scaffold reinforced with nanoparticles. This approach allows rapid and rigorous evaluation of engineered bone scaffolds performance in vitro and might reduce the use of animals for experimentation.
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Affiliation(s)
- Gian Nutal Schädli
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.,Particle Technology Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Jolanda R Vetsch
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Robert P Baumann
- Particle Technology Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Anke M de Leeuw
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Esther Wehrle
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Marina Rubert
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Ralph Müller
- Institute for Biomechanics, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.
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Khan A, Alamry KA, Asiri AM. Multifunctional Biopolymers‐Based Composite Materials for Biomedical Applications: A Systematic Review. ChemistrySelect 2021. [DOI: 10.1002/slct.202003978] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ajahar Khan
- Faculty of Science Department of Chemistry King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Khalid A. Alamry
- Faculty of Science Department of Chemistry King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Abdullah M. Asiri
- Faculty of Science Department of Chemistry King Abdulaziz University Jeddah 21589 Saudi Arabia
- Centre of Excellence for Advanced Materials Research King Abdulaziz University Jeddah 21589 Saudi Arabia
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Well-defined polyester-grafted silica nanoparticles for biomedical applications: Synthesis and quantitative characterization. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.123048] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Magnesium-alloy rods reinforced bioglass bone cement composite scaffolds with cortical bone-matching mechanical properties and excellent osteoconductivity for load-bearing bone in vivo regeneration. Sci Rep 2020; 10:18193. [PMID: 33097806 PMCID: PMC7585427 DOI: 10.1038/s41598-020-75328-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 10/12/2020] [Indexed: 12/28/2022] Open
Abstract
Various therapeutic platforms have been developed for repairing bone defects. However, scaffolds possess both cortical bone-matching mechanical properties and excellent osteoconductivity for load-bearing bone defects repair is still challenging in the clinic. In this study, inspired by the structure of the ferroconcrete, a high-strength bifunctional scaffold has been developed by combining surface-modified magnesium alloy as the internal load-bearing skeleton and bioglass-magnesium phosphate bone cement as the osteoconductive matrix. The scaffold combines the high mechanical strength and controllable biodegradability of surface-modified magnesium alloy with the excellent biocompatibility and osteoconductivity of bioglass-magnesium phosphate bone cement, thus providing support for load-bearing bone defects and subsequently bone regeneration. The scaffolds generate hydroxyapatite (HA) during the degrading in simulated body fluid (SBF), with the strength of the scaffold decreasing from 180 to 100 MPa in 6 weeks, which is still sufficient for load-bearing bone. Moreover, the scaffolds showed excellent osteoconductivity in vitro and in vivo. In a New Zealand White Rabbit radius defect model, the scaffolds degrade gradually and are replaced by highly matured new bone tissues, as assessed by image-based analyses (X-ray and Micro-CT) and histological analyses. The bone formation-related proteins such as BMP2, COL1a1 and OCN, all showed increased expression.
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Tomietto P, Carré M, Loulergue P, Paugam L, Audic JL. Polyhydroxyalkanoate (PHA) based microfiltration membranes: Tailoring the structure by the non-solvent induced phase separation (NIPS) process. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122813] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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39
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Canales D, Saavedra M, Flores MT, Bejarano J, Ortiz JA, Orihuela P, Alfaro A, Pabón E, Palza H, Zapata PA. Effect of bioglass nanoparticles on the properties and bioactivity of poly(lactic acid) films. J Biomed Mater Res A 2020; 108:2032-2043. [PMID: 32333463 DOI: 10.1002/jbm.a.36963] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/23/2020] [Accepted: 03/28/2020] [Indexed: 01/25/2023]
Abstract
Bioglass nanoparticles (n-BGs, 54SiO2 :40CaO:6P2 O5 mol %) with about 27 nm diameter were synthesized by the sol-gel method and incorporated into a poly(lactic acid) (PLA) matrix by the melting process in order to obtain nanocomposites with filler contents of 5, 10, and 25 wt %. Our results showed that during the cooling scan, the crystallization temperature (Tc ) of the PLA/n-BG nanocomposites decreased 13°C as compared to neat PLA. The presence of nanoparticles also decreased the thermal stability of the PLA matrix, as nanocomposites presented up to about 20°C lower degradation temperatures in a nitrogen atmosphere. The presence of n-BG increased the stiffness of the polymer matrix, and for instance the composite with 25 wt % of filler presented about 52.6% higher Young's modulus than neat PLA. n-BG incorporation into PLA increased also the hydrolytic degradation of the polymer over time. When the PLA composites were immersed in simulated body fluid, an apatite layer was formed on their surface, as verified by Fourier transform infrared, X-Ray Diffraction (XRD), and scanning electron microscopy-EDS, showing that the presence of n-BG induced bioactivity on the PLA matrix. Moreover, the viability of cervical uterine adenocarcinoma cells was higher on PLA/n-BG nanocomposite with 25 wt % of filler. The presence of n-BG barely gave an antibacterial effect on the polymer matrix, despite the well-known biocidal properties of these nanoparticles. Our results show that the presence of n-BGs is a proper route for improving the bioactivity of PLA with potential application in tissue engineering.
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Affiliation(s)
- Daniel Canales
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Marcela Saavedra
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Maria T Flores
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Julián Bejarano
- Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
| | - J Andrés Ortiz
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Pedro Orihuela
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile.,Centro para el Desarrollo de la Nanociencia y Nanotecnología (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Aline Alfaro
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile.,Centro para el Desarrollo de la Nanociencia y Nanotecnología (CEDENNA), Universidad de Santiago de Chile, Santiago, Chile
| | - Elizabeth Pabón
- Grupo de Investigación Ciencias de Materiales Avanzados. Escuela de Química Facultad de Ciencias, Universidad Nacional de Colombia-Sede Medellín, Medellín, Colombia
| | - Humberto Palza
- Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
| | - Paula A Zapata
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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40
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Esposito E, Nastruzzi C, Sguizzato M, Cortesi R. Nanomedicines to Treat Skin Pathologies with Natural Molecules. Curr Pharm Des 2020; 25:2323-2337. [PMID: 31584367 DOI: 10.2174/1381612825666190709210703] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/24/2019] [Indexed: 12/11/2022]
Abstract
The skin and mucous membranes are subjected to many disorders and pathological conditions. Nature offers a wide range of molecules with antioxidant activity able to neutralize, at least in part, the formation of free radicals and therefore to counteract the phenomena of cellular aging. Since synthetic drugs for the treatment of skin diseases can induce resistance, it is particularly interesting to use compounds of plant origin, transporting them in pharmaceutical forms capable of controlling their release and absorption. This review provides an overview of new findings about the use of lipid-based nanosystems for the delivery of natural molecules useful on the topical treatment of skin disorders. Several natural molecules encapsulated in lipid nanosystems have been considered in the treatment of some skin pathologies or diseases. Particularly, the use of rosemary and eucalyptus essential oil, saffron derivatives, curcumin, eugenol, capsaicin, thymol and lycopene has been reported. The molecules have been alternatively encapsulated in viscous systems, such as the organogels, or in liquid systems, such as ethosomes, transferosomes, solid lipid nanoparticles and monoolein based dispersions thickened by inclusion in carbomer gels. The nanostructured forms have been in vitro and in vivo investigated for the treatment of skin disorders due to dehydration, inflammation, melanoma, wound healing, fungal infections or psoriasis. The data reported in the different studies have suggested that the cutaneous application of lipid nanosystems allows a deep interaction between lipid matrix and skin strata, promoting a prolonged release and efficacy of the loaded natural molecules. This review suggests that the application of natural molecules onto the skin by lipid-based nanosystems can provide numerous clinician benefits in dermatology and cosmetics.
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Affiliation(s)
- Elisabetta Esposito
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara, 19, 44121-Ferrara, Italy
| | - Claudio Nastruzzi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara, 19, 44121-Ferrara, Italy
| | - Maddalena Sguizzato
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara, 19, 44121-Ferrara, Italy
| | - Rita Cortesi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara, 19, 44121-Ferrara, Italy
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41
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Wu P, Wang Y, Sun D, Luo Y, Chen C, Tang Z, Liao Y, Cao X, Xu L, Cheng C, Liu W, Liang X. In-vivo histocompatibility and osteogenic potential of biodegradable PLDLA composites containing silica-based bioactive glass fiber. J Biomater Appl 2020; 35:59-71. [PMID: 32233716 DOI: 10.1177/0885328220911598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The purpose of this two-year study was to evaluate the histocompatibility and osteogenic properties of a composite material consisting of poly(l-co-d,l lactide) (PLDLA) and silica-based bioactive glass fibers in vivo. PLDLA and PLDLA/silica-based bioactive glass fibers pins were implanted into the erector spinae muscles and femurs of beagles. Muscle and bone tissue samples were harvested 6, 12, 16, 26, 52, 78, and 104 weeks after implantation. Histology analysis was used to assess the histocompatibility, angiogenesis, and bone-implant contact. Micro-computed tomography was used to evaluate bone formation around the pins. Immunohistochemistry and western blotting revealed the expression level of the osteogenesis-related proteins. Addition of bioactive glass was demonstrated to possess better histocompatibility and reduce the inflammatory reactions in vivo. Moreover, PLDLA/silica-based bioactive glass fibers pins were demonstrated to promote angiogenesis and increase osteogenesis-related proteins expression, and thus played a positive role in osteogenesis and osseointegration after implantation. Our findings indicated that a composite of PLDLA and silica-based bioactive glass fiber is a promising biodegradable material for clinical use.
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Affiliation(s)
- Peng Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Dongyuan Sun
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Youran Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Cheng Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ziqing Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yunmao Liao
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Xiaoyan Cao
- School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China.,Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China
| | - Lijun Xu
- School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China.,Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beijing, China
| | - Chengkung Cheng
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, China.,School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Weiqing Liu
- School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Xing Liang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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42
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Odermatt R, Par M, Mohn D, Wiedemeier DB, Attin T, Tauböck TT. Bioactivity and Physico-Chemical Properties of Dental Composites Functionalized with Nano- vs. Micro-Sized Bioactive Glass. J Clin Med 2020; 9:E772. [PMID: 32178372 PMCID: PMC7141313 DOI: 10.3390/jcm9030772] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 02/03/2023] Open
Abstract
Bioactive resin composites can contribute to the prevention of secondary caries, which is one of the main reasons for failure of contemporary dental restorations. This study investigated the effect of particle size of bioactive glass 45S5 on chemical and physical composite properties. Four experimental composites were prepared by admixing the following fillers into a commercial flowable composite: (1) 15 wt% of micro-sized bioactive glass, (2) 15 wt% of nano-sized bioactive glass, (3) a combination of micro- (7.5 wt%) and nano-sized (7.5 wt%) bioactive glass, and (4) 15 wt% of micro-sized inert barium glass. Hydroxyapatite precipitation and pH rise in phosphate-buffered saline were evaluated during 28 days. Degree of conversion and Knoop microhardness were measured 24 h after specimen preparation and after 28 days of phosphate-buffered saline immersion. Data were analyzed using non-parametric statistics (Kruskal-Wallis and Wilcoxon tests) at an overall level of significance of 5%. Downsizing the bioactive glass particles from micro- to nano-size considerably improved their capability to increase pH. The effect of nano-sized bioactive glass on degree of conversion and Knoop microhardness was similar to that of micro-sized bioactive glass. Composites containing nano-sized bioactive glass formed a more uniform hydroxyapatite layer after phosphate-buffered saline immersion than composites containing exclusively micro-sized particles. Partial replacement of nano- by micro-sized bioactive glass in the hybrid composite did not impair its reactivity, degree of conversion (p > 0.05), and Knoop microhardness (p > 0.05). It is concluded that downsizing bioactive glass particles to nano-size improves the alkalizing potential of experimental composites with no negative effects on their fundamental properties.
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Affiliation(s)
- Reto Odermatt
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Matej Par
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
- Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Dirk Mohn
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, 8093 Zurich, Switzerland
| | - Daniel B. Wiedemeier
- Statistical Services, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Thomas Attin
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Tobias T. Tauböck
- Department of Conservative and Preventive Dentistry, Center for Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
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43
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Wang L, Yan J, Hu X, Zhu X, Hu S, Qian J, Zhang F, Liu M. Effect of nanoscale bioactive glass with radial spherical particles on osteogenic differentiation of rat bone marrow mesenchymal stem cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:29. [PMID: 32140885 DOI: 10.1007/s10856-020-06368-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 02/20/2020] [Indexed: 06/10/2023]
Abstract
To validate the feasibility of two types of bioactive glass that contains spherical and radical spherical nano-sized particles in promoting bone repair, we hypothesize that radical spherical nano-sized particles have higher bone repair effectiveness than spherical one due to the physicochemical properties. We rigorously compared the physicochemical properties and bioactivities of these two types of bioactive glass. Specifically, we measured the size, surface morphology, concentration of ionic-dissolution products, bioactivity, and biological effects of two groups of bioactive glass on rat bone marrow mesenchymal stem cells (rBMSCs) and evaluate their effect on proliferation and osteogenic differentiation of rBMSCs in vitro. We observed that spherical nano-bioactive glass (SNBG) was spherical with smooth boundary, while the radial spherical nano-bioactive glass (RSNBG) had radial pore on the surface of particle boundary. When the two materials were immersed in simulated body fluid for 24 h, RSNBG produced more and denser hydroxyapatite carbonate than SNBG. The concentration of Ca and Si ions in RSNBG 24 h extract is higher than that of SNBG, while the concentration of P ions is lower. Proliferation, alkaline phosphatase (ALP) activity, intracellular Ca ion concentrations defined as the number of mineralized nodules produced, and the expression of osteogenic genes were significantly higher in rBMSCs co-cultured with 50 µg/mL RSNBG than SNBG. Overall, these results validated our hypothesis that RSNBG can provide better benefit than SNBG for inducing proliferation and osteogenic differentiation in rBMSCs, in turn suggested the feasibility of this RSNBG in further studies and utilization toward the ends of improved bone repair effectiveness.
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Affiliation(s)
- Lili Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Jia Yan
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Xiaokun Hu
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Xinchen Zhu
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Shuying Hu
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Jun Qian
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Feimin Zhang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China.
| | - Mei Liu
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, Jiangsu, China.
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44
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Xue Y, Niu W, Wang M, Chen M, Guo Y, Lei B. Engineering a Biodegradable Multifunctional Antibacterial Bioactive Nanosystem for Enhancing Tumor Photothermo-Chemotherapy and Bone Regeneration. ACS NANO 2020; 14:442-453. [PMID: 31702885 DOI: 10.1021/acsnano.9b06145] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The simultaneous therapy of tumors and bone defects resulting from tumor surgery is still a challenge in clinical orthopedics. Few nanomaterial systems simultaneously possess multifunctional capacities, including biodegradability, tumor treatment, and enhanced bone regeneration. Herein, we designed a biodegradable monodispersed bioactive glass nanoparticle (BGN) platform with multifunctional properties for enhanced colon cancer photothermo-chemotherapy and bone repair. The mussel-inspired surface assembly with BGN was established as a stable NIR-excited photothermal nanoplatform (BGN@PDA) for ablating tumors. BGN@PDA shows an ultrahigh anticancer drug (DOX) loading with on-demand (pH/NIR-responsive) drug release behavior and antibacterial activity for enhanced tumor chemotherapy (BGN@PDA-DOX). The growth of colon cancer cells (Hct116 cells) and cervical cancer cells (HeLa cells) was significantly inhibited in vitro, and superior local anticancer efficacy could be achieved by synergic chemo-photothermal therapy in vivo. BGN@PDA underwent a gradual degradation in vivo during 60 days and showed negligible toxic side effects. Meanwhile, BGN@PDA could positively induce the osteogenesis of osteoblasts in vitro and possess excellent in vivo bone repair ability in rat cranial defects. This work presents a distinctive strategy to design a bioactive multifunctional nanoplatform for treating tumor disease-resulted bone tissue regeneration.
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Affiliation(s)
- Yumeng Xue
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
| | - Wen Niu
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
| | - Min Wang
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
| | - Mi Chen
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
| | - Yi Guo
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
- Department of Biologic and Materials Science , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Bo Lei
- Frontier Institute of Science and Technology , Xi'an Jiaotong University , Xi'an 710000 , China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology , Xi'an Jiaotong University , Xi'an 710054 , China
- Instrument Analysis Center , Xi'an Jiaotong University , Xi'an 710054 , China
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45
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Haider A, Waseem A, Karpukhina N, Mohsin S. Strontium- and Zinc-Containing Bioactive Glass and Alginates Scaffolds. Bioengineering (Basel) 2020; 7:E10. [PMID: 31941073 PMCID: PMC7148505 DOI: 10.3390/bioengineering7010010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/24/2019] [Accepted: 12/31/2019] [Indexed: 12/20/2022] Open
Abstract
With an increasingly elderly population, there is a proportionate increase in bone injuries requiring hospitalization. Clinicians are increasingly adopting tissue-engineering methods for treatment due to limitations in the use of autogenous and autologous grafts. The aim of this study was to synthesize a novel, bioactive, porous, mechanically stable bone graft substitute/scaffold. Strontium- and zinc-containing bioactive glasses were synthesized and used with varying amounts of alginate to form scaffolds. Differential scanning calorimetric analysis (DSC), FTIR, XRD, and NMR techniques were used for the characterization of scaffolds. SEM confirmed the adequate porous structure of the scaffolds required for osteoconductivity. The incorporation of the bioactive glass with alginate has improved the compressive strength of the scaffolds. The bioactivity of the scaffolds was demonstrated by an increase in the pH of the medium after the immersion of the scaffolds in a Tris/HCl buffer and by the formation of orthophosphate precipitate on scaffolds. The scaffolds were able to release calcium, strontium and zinc ions in the Tris/HCl buffer, which would have a positive impact on osteogenesis if tested in vivo.
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Affiliation(s)
- Asfia Haider
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK
| | - Ahmad Waseem
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, London E1 2AD, UK
| | - Natalia Karpukhina
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK
| | - Sahar Mohsin
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 17666, UAE
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46
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Ur Rahman MS, Tahir MA, Noreen S, Yasir M, Ahmad I, Khan MB, Ali KW, Shoaib M, Bahadur A, Iqbal S. Magnetic mesoporous bioactive glass for synergetic use in bone regeneration, hyperthermia treatment, and controlled drug delivery. RSC Adv 2020; 10:21413-21419. [PMID: 35518733 PMCID: PMC9054387 DOI: 10.1039/c9ra09349d] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 06/25/2020] [Accepted: 05/20/2020] [Indexed: 11/21/2022] Open
Abstract
A combination of chemotherapy with hyperthermia can produce remarkable success in treating advanced cancers. For this purpose, magnetite (Fe3O4)-doped mesoporous bioactive glass nanoparticles (Fe3O4-MBG NPs) were synthesized by the sol–gel method. Fe3O4-MBG NPs were found to possess spherical morphology with a size of approximately 50 ± 10 nm and a uniform pore size of 9 nm. The surface area (309 m2 g−1) was sufficient for high drug loading capacity and mitomycin C (Mc), an anticancer drug, was entrapped in the Fe3O4-MBG NPs. A variable rate of drug release was observed at different pH values (6.4, 7.4 & 8.4) of the release media. No significant death of normal human fibroblast (NHFB) cells was observed during in vitro analysis and for Mc-Fe3O4-MBG NPs considerable inhibitory effects on the viability of cancer cells (MG-63) were observed. When Fe3O4-MBG NPs were immersed in simulated body fluid (SBF), hydroxycarbonate apatite (HCA) was formed, as confirmed by XRD and FTIR spectra. A negligible value of coercivity and zero remanence confirms that Fe3O4-MBG NPs are superparamagnetic. Fe3O4-MBG NPs showed a hyperthermia effect in an alternating magnetic field (AMF), and a rise of 11.5 °C in temperature during the first 6 min, making it suitable for hyperthermia applications. Fe3O4-MBG NPs expressed excellent biocompatibility and low cytotoxicity, therefore, they are a safe biomaterial for bone tissue regeneration, drug delivery, and hyperthermia treatment. A combination of chemotherapy with hyperthermia can produce remarkable success in treating advanced cancers.![]()
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Affiliation(s)
- Muhammad Saif Ur Rahman
- Zhejiang University-University of Edinburgh Institute
- Zhejiang University
- Haining
- People's Republic of China
- Clinical Research Center
| | | | - Saima Noreen
- Department of Chemistry
- University of Agriculture
- Faisalabad 38000
- Pakistan
| | - Muhammad Yasir
- Department of Chemistry
- University of Lahore
- Lahore
- Pakistan
| | - Ijaz Ahmad
- Department of Chemistry
- Government Postgraduate College Samanabad Faisalabad
- Pakistan
| | | | | | - Muhammad Shoaib
- Department of Chemistry
- Government Postgraduate College Samanabad Faisalabad
- Pakistan
| | - Ali Bahadur
- Department of Transdisciplinary Studies
- Graduate School of Convergence Science and Technology
- Seoul National University
- Seoul
- South Korea
| | - Shahid Iqbal
- School of Chemistry and Materials Engineering
- Huizhou University
- Huizhou 516007
- China
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Deshmukh K, Kovářík T, Křenek T, Docheva D, Stich T, Pola J. Recent advances and future perspectives of sol–gel derived porous bioactive glasses: a review. RSC Adv 2020; 10:33782-33835. [PMID: 35519068 PMCID: PMC9056785 DOI: 10.1039/d0ra04287k] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/02/2020] [Indexed: 12/22/2022] Open
Abstract
Sol–gel derived bioactive glasses have been extensively explored as a promising and highly porous scaffold materials for bone tissue regeneration applications owing to their exceptional osteoconductivity, osteostimulation and degradation rates.
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Affiliation(s)
- Kalim Deshmukh
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Tomáš Kovářík
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Tomáš Křenek
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Denitsa Docheva
- Experimental Trauma Surgery
- Department of Trauma Surgery
- University Regensburg Medical Centre
- Regensburg
- Germany
| | - Theresia Stich
- Experimental Trauma Surgery
- Department of Trauma Surgery
- University Regensburg Medical Centre
- Regensburg
- Germany
| | - Josef Pola
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
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48
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Papadopoulou EL, Basnett P, Paul UC, Marras S, Ceseracciu L, Roy I, Athanassiou A. Green Composites of Poly(3-hydroxybutyrate) Containing Graphene Nanoplatelets with Desirable Electrical Conductivity and Oxygen Barrier Properties. ACS OMEGA 2019; 4:19746-19755. [PMID: 31788606 PMCID: PMC6881833 DOI: 10.1021/acsomega.9b02528] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/30/2019] [Indexed: 06/10/2023]
Abstract
Poly(3-hydroxybutyrate), a green polymer originating from prokaryotic microbes, has been used to prepare composites with graphene nanoplatelets (GnP) at different concentrations. The films were fabricated by drop-casting and were hot-pressed at a temperature lower than their melting point to provide the molecular chains enough energy to reorientate while avoiding melting and degradation. It was found that hot-pressing increases crystallinity and improves mechanical properties. The Young's modulus increased from 1.2 to 1.6 GPa for the poly(3-hydroxybutyrate) (P(3HB)) films and from 0.5 to 2.2 GPa for the 15 wt % P(3HB)/GnP composites. Electrical resistivity decreases enormously with GnP concentration and hot-pressing, reaching 6 Ω sq-1 for the hot-pressed 30 wt % P(3HB)/GnP composite. Finally, the hot-pressed P(3HB) samples exhibit remarkable oxygen barrier properties, with oxygen permeability reaching 2800 mL μm m-2 day-1, which becomes 895 mL μm m-2 day-1 when 15% GnP is added to the biopolymer matrix, one of the lowest values known for biopolymers and biocomposites. We propose that these biocomposites are used for elastic packaging and electronics.
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Affiliation(s)
- Evie L. Papadopoulou
- Smart
Materials and Materials Characterization Facility, Istituto
Italiano di Tecnologia, via Morego 30, Genoa 16163, Italy
| | - Pooja Basnett
- Applied
Biotechnology Research Group, School of Life Sciences, College of
Liberal Arts and Sciences, University of
Westminster, London W1W 6UW, U.K.
| | - Uttam C. Paul
- Smart
Materials and Materials Characterization Facility, Istituto
Italiano di Tecnologia, via Morego 30, Genoa 16163, Italy
| | - Sergio Marras
- Smart
Materials and Materials Characterization Facility, Istituto
Italiano di Tecnologia, via Morego 30, Genoa 16163, Italy
| | - Luca Ceseracciu
- Smart
Materials and Materials Characterization Facility, Istituto
Italiano di Tecnologia, via Morego 30, Genoa 16163, Italy
| | - Ipsita Roy
- Applied
Biotechnology Research Group, School of Life Sciences, College of
Liberal Arts and Sciences, University of
Westminster, London W1W 6UW, U.K.
- Department
of Material Science and Engineering, Faculty of Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, U.K.
| | - Athanassia Athanassiou
- Smart
Materials and Materials Characterization Facility, Istituto
Italiano di Tecnologia, via Morego 30, Genoa 16163, Italy
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49
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Mesoporous bioactive glasses for bone healing and biomolecules delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 106:110180. [PMID: 31753410 DOI: 10.1016/j.msec.2019.110180] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 08/22/2019] [Accepted: 09/09/2019] [Indexed: 01/17/2023]
Abstract
Impact of bone diseases and injury is increasing at an enormous rate during the past decades due to increase in road traffic accidents and other injuries. Bioactive glasses have excellent biocompatibility and osteoconductivity that makes it suitable for bone regeneration. Researches and studies conducted on several bioactive glasses gives an insight on the need of multi-disciplinary approaches involving various scientific fields to attain its full potential. Of late, a next generation bioactive glass called as mesoporous bioactive glass (MBG) has been developed with higher specific surface area and control over mesoporous structure that presents a new material for bone regeneration. A brief discussion and overview on the potential use of MBG as a suitable material for bone tissue regeneration and biomolecule delivery is included. Additionally, possible control of the structural and functional property based on composition and fabrication techniques are also covered. According to recent researches, MBG-implant interaction with bone forming cells for cellular growth and differentiation as well as its effect on delivery of growth factor, both in vitro and in vivo, are optimistic; yet, the complete efficacy of this material is still to be explored. Hence, in this article we will review the current development and its applications for bone tissue engineering (TE).
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50
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Shirazi M, Tamadon M, Izadi M. Effect of addition of bioactive glass to resin modified glass ionomer cement on enamel demineralization under orthodontic brackets. J Clin Exp Dent 2019; 11:e521-e526. [PMID: 31346371 PMCID: PMC6645267 DOI: 10.4317/jced.55576] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 04/25/2019] [Indexed: 11/21/2022] Open
Abstract
Background Enamel demineralization and white spot lesions around orthodontic brackets is a common problem associated with fixed orthodontic treatment. Glass ionomer cements (GICs) are commonly used for bracket bonding and recently, bioactive glass (BAG) was added to GICs to enhance deposition of calcium phosphate in adjacent dental structure. This study sought to assess the effect of addition of BAG particles to resin modified GIC (RMGIC) on enamel demineralization under orthodontic brackets. Material and Methods In this in vitro, experimental study, 60 sound human premolars were immersed in distilled water at 6°C. The teeth were randomly divided into three groups. Using a sticker, a window measuring 7x7 mm was created on the buccal surface. The remaining surfaces were coated with nail varnish twice with a 3-hour interval. After 24 hours, the stickers were removed. Brackets were bonded to tooth surfaces using Transbond XT (control), Fuji II LC RMGIC and Fuji II LC containing 30% BAG particles. To induce acid attacks, the teeth were immersed in demineralizing solution for 6 hours. For pH cycling, the teeth were then immersed in remineralizing solution for 18 hours. This process was repeated for 21 days. Next, the teeth were longitudinally sectioned into two halves and the depth of demineralization was measured from the deepest point to the surface under a polarized light microscope. Data were analyzed using one-way ANOVA, and pairwise comparisons were carried out using Tukey’s test. Results The mean depth of demineralization was 73.8±22.29, 118.08±29.42 and 182.98±20.69 µm in the BAG, RMGIC and Transbond XT groups, respectively. One-way ANOVA showed significant differences in terms of depth of demineralization among the three groups (P=0.0001). Tukey’s test revealed significant differences in depth of demineralization. Conclusions Addition of BAG to RMGIC can significantly decrease the depth of enamel demineralization under orthodontic brackets in vitro. Key words:Remineralization, demineralization, orthodontic brackets, bioactive glass, resin modified glass ionomer cement.
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Affiliation(s)
- Maryam Shirazi
- Assistant Professor of Orthodontics, Dental Caries Prevention Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Mohamadali Tamadon
- General Dentist, Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Mozhgan Izadi
- Assistant Professor, Dental Material Research Center, Department of Periodontics, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
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