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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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2
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Granel H, Bossard C, Collignon AM, Wauquier F, Lesieur J, Rochefort GY, Jallot E, Lao J, Wittrant Y. Osteogenic Effect of Fisetin Doping in Bioactive Glass/Poly(caprolactone) Hybrid Scaffolds. ACS OMEGA 2022; 7:22279-22290. [PMID: 35811886 PMCID: PMC9260777 DOI: 10.1021/acsomega.2c01109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Treating large bone defects or fragile patients may require enhancing the bone regeneration rate to overcome a weak contribution from the body. This work investigates the osteogenic potential of nutrient fisetin, a flavonoid found in fruits and vegetables, as a doping agent inside the structure of a SiO2-CaO bioactive glass-poly(caprolactone) (BG-PCL) hybrid scaffold. Embedded in the full mass of the BG-PCL hybrid during one-pot synthesis, we demonstrate fisetin to be delivered sustainably; the release follows a first-order kinetics with active fisetin concentration being delivered for more than 1 month (36 days). The biological effect of BG-PCL-fisetin-doped scaffolds (BG-PCL-Fis) has been highlighted by in vitro and in vivo studies. A positive impact is demonstrated on the adhesion and the differentiation of rat primary osteoblasts, without an adverse cytotoxic effect. Implantation in critical-size mouse calvaria defects shows bone remodeling characteristics and remarkable enhancement of bone regeneration for fisetin-doped scaffolds, with the regenerated bone volume being twofold that of nondoped scaffolds and fourfold that of a commercial trabecular bovine bone substitute. Such highly bioactive materials could stand as competitive alternative strategies involving biomaterials loaded with growth factors, the use of the latter being the subject of growing concerns.
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Affiliation(s)
- Henri Granel
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
| | - Cédric Bossard
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Anne-Margaux Collignon
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Fabien Wauquier
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
| | - Julie Lesieur
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Gael Y. Rochefort
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Edouard Jallot
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Jonathan Lao
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Yohann Wittrant
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
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3
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Chang CH, Lin CY, Chang CH, Liu FH, Huang YT, Liao YS. Enhanced biomedical applicability of ZrO 2-SiO 2 ceramic composites in 3D printed bone scaffolds. Sci Rep 2022; 12:6845. [PMID: 35477956 PMCID: PMC9046279 DOI: 10.1038/s41598-022-10731-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 03/29/2022] [Indexed: 11/25/2022] Open
Abstract
Zirconia (ZrO2) has been widely used in clinical applications, such as bone and dental implantation, because of its favorable mechanical properties and resistance to fracture. However, the poor cell affinity of ZrO2 for bone regeneration and tissue binding, as well as its shrinkage due to crystal phase transformation during heat treatment, limits its clinical use and processing plasticity. This study aims to investigate an appropriate ZrO2–SiO2 composite recipe for ceramic 3D printing processes that can strike a balance between the mechanical properties and cell affinity needed in clinical applications. Specimens with different ZrO2–SiO2 composite recipes were fabricated by a selective laser gelling method and sintered at temperatures ranging from 900 to 1500 °C. The S5Z5 composite, which consists of 50 wt% ZrO2, 35 wt% SiO2 and 15 wt% SiO2 sol, showed an appropriate compressive strength and bending strength of 82.56 MPa and 55.98 MPa, respectively, at a sintering temperature of 1300 °C. The shrinkage rate of the S5Z5 composite was approximately 5% when the sintering temperature was increased from 900 to 1500 °C. All composites exhibited no cytotoxicity after 144 h of MG63 cell incubation, and the S5Z5 composite exhibited the most obvious cell affinity among the composite recipes. From these results, compared with other composites, the S5Z5 composite was shown to possess mechanical properties and a cell affinity more comparable to those of natural human bone.
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Affiliation(s)
- Chih-Hao Chang
- Department of Orthopedics, National Taiwan University Hospital and National Taiwan University College of Medicine, No.7, Chung Shan S. Rd., Zhongzheng Dist., Taipei, 100225, Taiwan, ROC. .,National Taiwan University Hospital Jin-Shan Branch, No.7, Yulu Rd., Wuhu Village, Jinshan Dist., New Taipei, 20844, Taiwan, ROC.
| | - Chih-Yang Lin
- Department of Mechanical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 10617, Taiwan, ROC
| | - Chih-Hung Chang
- Department of Orthopedic Surgery, Far Eastern Memorial Hospital, No.21, Sec. 2, Nanya S. Rd., Banciao Dist., New Taipei, 22000, Taiwan, ROC.,Graduate School of Biotechnology and Bioengineering, Yuan Ze University, No.135, Yuan-Tung Road, Zhongli Dist., Taoyuan, 32003, Taiwan, ROC
| | - Fwu-Hsing Liu
- Department of Mechanical Engineering, LungHwa University of Science and Technology, No.300, Sec.1, Wanshou Rd., Guishan Dist., Taoyuan, 333326, Taiwan, ROC
| | - Yu-Tzu Huang
- College of Medicine, Fu Jen Catholic University, No.300, Sec.1, Wanshou Rd., Guishan Dist., Taoyuan, 333326, Taiwan, ROC
| | - Yunn-Shiuan Liao
- Department of Mechanical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 10617, Taiwan, ROC.
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4
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Krieghoff J, Gronbach M, Schulz-Siegmund M, Hacker MC. Biodegradable macromers for implant bulk and surface engineering. Biol Chem 2021; 402:1357-1374. [PMID: 34433237 DOI: 10.1515/hsz-2021-0161] [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: 02/23/2021] [Accepted: 08/09/2021] [Indexed: 11/15/2022]
Abstract
Macromers, polymeric molecules with at least two functional groups for cross-polymerization, are interesting materials to tailor mechanical, biochemical and degradative bulk and surface properties of implants for tissue regeneration. In this review we focus on macromers with at least one biodegradable building block. Manifold design options, such as choice of polymeric block(s), optional core molecule and reactive groups, as well as cross-co-polymerization with suitable anchor or linker molecules, allow the adaptation of macromer-based biomaterials towards specific application requirements in both hard and soft tissue regeneration. Implants can be manufactured from macromers using additive manufacturing as well as molding and templating approaches. This review summarizes and discusses the overall concept of biodegradable macromers and recent approaches for macromer processing into implants as well as techniques for surface modification directed towards bone regeneration. These aspects are reviewed including a focus on the authors' contributions to the field through research within the collaborative research project Transregio 67.
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Affiliation(s)
- Jan Krieghoff
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Mathis Gronbach
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Michaela Schulz-Siegmund
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Michael C Hacker
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany.,Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
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5
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Zheng J, Yang D, Qin X, Shi G, Ji L. Synthesis of an organic-inorganic hybrid with short organic molecular chains by sol-gel chemistry. J Mech Behav Biomed Mater 2021; 120:104567. [PMID: 33945937 DOI: 10.1016/j.jmbbm.2021.104567] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/21/2021] [Accepted: 04/26/2021] [Indexed: 10/21/2022]
Abstract
An oligomer with short organic molecular chains was successfully synthesized with KH550 and KH560. This oligomer was combined with tetraethyl orthosilicate and calcium chloride to prepare an organic-inorganic hybrid biological material (OI-BM) by sol-gel chemistry. The hybrid was fully characterized by a series of instrumental characterizations including nuclear magnetic resonance spectrometry, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray energy spectroscopy and inductively coupled plasma spectrometry. OI-BM presented elastic deformation under compression. The elastic modulus and ultimate stress of OI-BM were 0.4 ± 0.1 GPa and 23.0 ± 4.0 MPa, respectively, lower than those of 45S5 bioactive glass (45S5-BG), whereas the strain at failure and modulus of toughness of OI-BM was about 4.5 times and 4 times higher. The hybrid is easy to form due to the improved mechanical property, suggesting excellent machining properties. The hybrid OI-BM produced hydroxyapatite in 1 h in simulated body fluid due to its excellent bioactivity. CCK-8 assay further demonstrated the desirable cytocompatibility of the hybrid. Thus, the hybrid can be a potential material for satisfying the mechanical property requirement of an implant.
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Affiliation(s)
- Jingjing Zheng
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Di Yang
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiang Qin
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Guojun Shi
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Lijun Ji
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China.
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6
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Kuzmenka D, Sewohl C, König A, Flath T, Hahnel S, Schulze FP, Hacker MC, Schulz-Siegmund M. Sustained Calcium(II)-Release to Impart Bioactivity in Hybrid Glass Scaffolds for Bone Tissue Engineering. Pharmaceutics 2020; 12:E1192. [PMID: 33302527 PMCID: PMC7764395 DOI: 10.3390/pharmaceutics12121192] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/04/2020] [Accepted: 12/05/2020] [Indexed: 12/24/2022] Open
Abstract
In this study, we integrated different calcium sources into sol-gel hybrid glass scaffolds with the aim of producing implants with long-lasting calcium release while maintaining mechanical strength of the implant. Calcium(II)-release was used to introduce bioactivity to the material and eventually support implant integration into a bone tissue defect. Tetraethyl orthosilicate (TEOS) derived silica sols were cross-linked with an ethoxysilylated 4-armed macromer, pentaerythritol ethoxylate and processed into macroporous scaffolds with defined pore structure by indirect rapid prototyping. Triethyl phosphate (TEP) was shown to function as silica sol solvent. In a first approach, we investigated the integration of 1 to 10% CaCl2 in order to test the hypothesis that small CaCl2 amounts can be physically entrapped and slowly released from hybrid glass scaffolds. With 5 and 10% CaCl2 we observed an extensive burst release, whereas slightly improved release profiles were found for lower Calcium(II) contents. In contrast, introduction of melt-derived bioactive 45S5 glass microparticles (BG-MP) into the hybrid glass scaffolds as another Calcium(II) source led to an approximately linear release of Calcium(II) in Tris(hydroxymethyl)aminomethane (TRIS) buffer over 12 weeks. pH increase caused by BG-MP could be controlled by their amount integrated into the scaffolds. Compression strength remained unchanged compared to scaffolds without BG-MP. In cell culture medium as well as in simulated body fluid, we observed a rapid formation of a carbonated hydroxyapatite layer on BG-MP containing scaffolds. However, this mineral layer consumed the released Calcium(II) ions and prevented an additional increase in Calcium(II) concentration in the cell culture medium. Cell culture studies on the different scaffolds with osteoblast-like SaOS-2 cells as well as bone marrow derived mesenchymal stem cells (hMSC) did not show any advantages concerning osteogenic differentiation due to the integration of BG-MP into the scaffolds. Nonetheless, via the formation of a hydroxyapatite layer and the ability to control the pH increase, we speculate that implant integration in vivo and bone regeneration may benefit from this concept.
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Affiliation(s)
- Dzmitry Kuzmenka
- Pharmaceutical Technology, Institute of Pharmacy, Faculty of Medicine, Leipzig University, 04317 Leipzig, Germany; (D.K.); (C.S.); (M.C.H.)
| | - Claudia Sewohl
- Pharmaceutical Technology, Institute of Pharmacy, Faculty of Medicine, Leipzig University, 04317 Leipzig, Germany; (D.K.); (C.S.); (M.C.H.)
| | - Andreas König
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, 04103 Leipzig, Germany; (A.K.); (S.H.)
| | - Tobias Flath
- Department of Mechanical and Energy Engineering, University of Applied Sciences Leipzig, 04277 Leipzig, Germany; (T.F.); (F.P.S.)
| | - Sebastian Hahnel
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, 04103 Leipzig, Germany; (A.K.); (S.H.)
| | - Fritz Peter Schulze
- Department of Mechanical and Energy Engineering, University of Applied Sciences Leipzig, 04277 Leipzig, Germany; (T.F.); (F.P.S.)
| | - Michael C. Hacker
- Pharmaceutical Technology, Institute of Pharmacy, Faculty of Medicine, Leipzig University, 04317 Leipzig, Germany; (D.K.); (C.S.); (M.C.H.)
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Duesseldorf, 40225 Duesseldorf, Germany
| | - Michaela Schulz-Siegmund
- Pharmaceutical Technology, Institute of Pharmacy, Faculty of Medicine, Leipzig University, 04317 Leipzig, Germany; (D.K.); (C.S.); (M.C.H.)
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7
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Aytan E, Uğur MH, Kayaman‐Apohan N. Synthesis, characterization, and ionic conductivity of electrospun organic–inorganic hybrid gel electrolytes. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25320] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Emre Aytan
- Department of ChemistryMarmara University Goztepe, 34722 Istanbul Turkey
- Kimteks Poliuretan Sanayi ve Ticaret A.S. Istanbul Turkey
| | - Mustafa H. Uğur
- Department of ChemistryMarmara University Goztepe, 34722 Istanbul Turkey
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8
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Aslankoohi N, Mondal D, Rizkalla AS, Mequanint K. Bone Repair and Regenerative Biomaterials: Towards Recapitulating the Microenvironment. Polymers (Basel) 2019; 11:E1437. [PMID: 31480693 PMCID: PMC6780693 DOI: 10.3390/polym11091437] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/24/2019] [Accepted: 08/25/2019] [Indexed: 02/07/2023] Open
Abstract
Biomaterials and tissue engineering scaffolds play a central role to repair bone defects. Although ceramic derivatives have been historically used to repair bone, hybrid materials have emerged as viable alternatives. The rationale for hybrid bone biomaterials is to recapitulate the native bone composition to which these materials are intended to replace. In addition to the mechanical and dimensional stability, bone repair scaffolds are needed to provide suitable microenvironments for cells. Therefore, scaffolds serve more than a mere structural template suggesting a need for better and interactive biomaterials. In this review article, we aim to provide a summary of the current materials used in bone tissue engineering. Due to the ever-increasing scientific publications on this topic, this review cannot be exhaustive; however, we attempted to provide readers with the latest advance without being redundant. Furthermore, every attempt is made to ensure that seminal works and significant research findings are included, with minimal bias. After a concise review of crystalline calcium phosphates and non-crystalline bioactive glasses, the remaining sections of the manuscript are focused on organic-inorganic hybrid materials.
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Affiliation(s)
- Neda Aslankoohi
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Dibakar Mondal
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Amin S Rizkalla
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Schulich School of Medicine and Dentistry, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Kibret Mequanint
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
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9
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Costa JB, Silva-Correia J, Pina S, da Silva Morais A, Vieira S, Pereira H, Espregueira-Mendes J, Reis RL, Oliveira JM. Indirect printing of hierarchical patient-specific scaffolds for meniscus tissue engineering. Biodes Manuf 2019. [DOI: 10.1007/s42242-019-00050-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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10
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Granel H, Bossard C, Collignon AM, Wauquier F, Lesieur J, Rochefort GY, Jallot E, Lao J, Wittrant Y. Bioactive Glass/Polycaprolactone Hybrid with a Dual Cortical/Trabecular Structure for Bone Regeneration. ACS APPLIED BIO MATERIALS 2019; 2:3473-3483. [DOI: 10.1021/acsabm.9b00407] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Henri Granel
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Cédric Bossard
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Anne-Margaux Collignon
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Fabien Wauquier
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Julie Lesieur
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Gael Y Rochefort
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Edouard Jallot
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Jonathan Lao
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Yohann Wittrant
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
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11
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Mondal D, Dixon SJ, Mequanint K, Rizkalla AS. Bioactivity, Degradation, and Mechanical Properties of Poly(vinylpyrrolidone- co-triethoxyvinylsilane)/Tertiary Bioactive Glass Hybrids. ACS APPLIED BIO MATERIALS 2018; 1:1369-1381. [PMID: 34996241 DOI: 10.1021/acsabm.8b00344] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Currently, composite and class I hybrid biomaterials are used for tissue regeneration applications. To improve and better control biomaterial properties, we synthesized class II organic/inorganic (O/I) hybrids, in which organic polymers and inorganic tertiary bioactive glass (TBG) were covalently cross-linked. To tailor their microstructure, bioactivity, degradation, and mechanical properties, we altered the degree of cross-linking by varying the amount of functional groups in the polymer that mediate covalent bonding to the TBG. We synthesized class II hybrids in a two-step process: first, vinylpyrrolidone (VP) and triethoxyvinylsilane (TEVS) were copolymerized at various molar ratios to obtain different amounts of silane functional groups in the copolymer; second, TBG and the copolymer were mixed and allowed to undergo hydrolysis and polycondensation forming Si-O-Si- and Si-O-P-bridging networks between the organic and inorganic phases. Higher amounts of functional groups increased copolymer-TBG covalent bonding and decreased degradation and the release of TBG dissolution products. Incubation in simulated body fluid led to biomimetic apatite deposition on the hybrid biomaterial surfaces, which was primarily dependent on O/I weight ratios. A higher TBG content improved apatite deposition and biocompatibility. Porous and interconnected three-dimensional scaffolds, fabricated by indirect 3D printing using polycaprolactone as a sacrificial template, had intriguing yield and compressive strengths, compressive moduli, and toughness. These studies demonstrate, for the first time, that the functionality of our synthesized copolymers greatly affects the nature of O/I matrix formation and degradation behavior of the class II hybrid biomaterials, creating possibilities for tailoring the physical, biochemical, and mechanical properties of scaffold biomaterials for tissue regeneration and related applications.
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12
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Kascholke C, Hendrikx S, Flath T, Kuzmenka D, Dörfler HM, Schumann D, Gressenbuch M, Schulze FP, Schulz-Siegmund M, Hacker MC. Biodegradable and adjustable sol-gel glass based hybrid scaffolds from multi-armed oligomeric building blocks. Acta Biomater 2017; 63:336-349. [PMID: 28927930 DOI: 10.1016/j.actbio.2017.09.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 08/20/2017] [Accepted: 09/15/2017] [Indexed: 12/22/2022]
Abstract
Biodegradability is a crucial characteristic to improve the clinical potential of sol-gel-derived glass materials. To this end, a set of degradable organic/inorganic class II hybrids from a tetraethoxysilane(TEOS)-derived silica sol and oligovalent cross-linker oligomers containing oligo(d,l-lactide) domains was developed and characterized. A series of 18 oligomers (Mn: 1100-3200Da) with different degrees of ethoxylation and varying length of oligoester units was established and chemical composition was determined. Applicability of an established indirect rapid prototyping method enabled fabrication of a total of 85 different hybrid scaffold formulations from 3-isocyanatopropyltriethoxysilane-functionalized macromers. In vitro degradation was analyzed over 12months and a continuous linear weight loss (0.2-0.5wt%/d) combined with only moderate material swelling was detected which was controlled by oligo(lactide) content and matrix hydrophilicity. Compressive strength (2-30MPa) and compressive modulus (44-716MPa) were determined and total content, oligo(ethylene oxide) content, oligo(lactide) content and molecular weight of the oligomeric cross-linkers as well as material porosity were identified as the main factors determining hybrid mechanics. Cytocompatibility was assessed by cell culture experiments with human adipose tissue-derived stem cells (hASC). Cell migration into the entire scaffold pore network was indicated and continuous proliferation over 14days was found. ALP activity linearly increased over 2weeks indicating osteogenic differentiation. The presented glass-based hybrid concept with precisely adjustable material properties holds promise for regenerative purposes. STATEMENT OF SIGNIFICANCE Adaption of degradation kinetics toward physiological relevance is still an unmet challenge of (bio-)glass engineering. We therefore present a glass-derived hybrid material with adjustable degradation. A flexible design concept based on degradable multi-armed oligomers was combined with an established indirect rapid prototyping method to produce a systematic set of porous sol-gel-derived class II hybrid scaffolds. Mechanical properties in the range of cancellous bone were narrowly controlled by hybrid composition. The oligoester introduction resulted in significantly increased compressive moduli. Cytocompatible hybrids degraded in physiologically relevant time frames and a promising linear and controllable weight loss profile was found. To our knowledge, our degradation study represents the most extensive long-term investigation of sol-gel-derived class II hybrids. Due to the broad adjustability of material properties, our concept offers potential for engineering of biodegradable hybrid materials for versatile applications.
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Affiliation(s)
- Christian Kascholke
- Institute of Pharmacy, Pharmaceutical Technology, Leipzig University, Eilenburger Straße 15a, 04317 Leipzig, Germany
| | - Stephan Hendrikx
- Institute of Pharmacy, Pharmaceutical Technology, Leipzig University, Eilenburger Straße 15a, 04317 Leipzig, Germany
| | - Tobias Flath
- Department of Mechanical and Energy Engineering, Leipzig University of Applied Sciences, Karl-Liebknecht-Straße 134, 04277 Leipzig, Germany
| | - Dzmitry Kuzmenka
- Institute of Pharmacy, Pharmaceutical Technology, Leipzig University, Eilenburger Straße 15a, 04317 Leipzig, Germany
| | - Hans-Martin Dörfler
- Department of Mechanical and Energy Engineering, Leipzig University of Applied Sciences, Karl-Liebknecht-Straße 134, 04277 Leipzig, Germany
| | - Dirk Schumann
- Bubbles and Beyond GmbH, Karl-Heine Straße 99, 04229 Leipzig, Germany
| | | | - F Peter Schulze
- Department of Mechanical and Energy Engineering, Leipzig University of Applied Sciences, Karl-Liebknecht-Straße 134, 04277 Leipzig, Germany
| | - Michaela Schulz-Siegmund
- Institute of Pharmacy, Pharmaceutical Technology, Leipzig University, Eilenburger Straße 15a, 04317 Leipzig, Germany
| | - Michael C Hacker
- Institute of Pharmacy, Pharmaceutical Technology, Leipzig University, Eilenburger Straße 15a, 04317 Leipzig, Germany.
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13
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Walmsley GG, Ransom RC, Zielins ER, Leavitt T, Flacco JS, Hu MS, Lee AS, Longaker MT, Wan DC. Stem Cells in Bone Regeneration. Stem Cell Rev Rep 2017; 12:524-529. [PMID: 27250635 DOI: 10.1007/s12015-016-9665-5] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Bone has the capacity to regenerate and repair itself. However, this capacity may be impaired or lost depending on the size of the defect or the presence of certain disease states. In this review, we discuss the key principles underlying bone healing, efforts to characterize bone stem and progenitor cell populations, and the current status of translational and clinical studies in cell-based bone tissue engineering. Though barriers to clinical implementation still exist, the application of stem and progenitor cell populations to bone engineering strategies has the potential to profoundly impact regenerative medicine.
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Affiliation(s)
- Graham G Walmsley
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Hagey Building, 257 Campus Dr., Stanford, CA, 94305, USA
| | - Ryan C Ransom
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Hagey Building, 257 Campus Dr., Stanford, CA, 94305, USA
| | - Elizabeth R Zielins
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA
| | - Tripp Leavitt
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA
| | - John S Flacco
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA
| | - Michael S Hu
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Hagey Building, 257 Campus Dr., Stanford, CA, 94305, USA.,Department of Surgery, John A. Burns School of Medicine, University of Hawai'i, Honolulu, Hawai'i, USA
| | - Andrew S Lee
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Hagey Building, 257 Campus Dr., Stanford, CA, 94305, USA
| | - Michael T Longaker
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Hagey Building, 257 Campus Dr., Stanford, CA, 94305, USA
| | - Derrick C Wan
- Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, 257 Campus Drive Room GK106, Stanford, CA, 94305-5461, USA.
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