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Dornelas J, Dornelas G, Rossi A, Piattelli A, Di Pietro N, Romasco T, Mourão CF, Alves GG. The Incorporation of Zinc into Hydroxyapatite and Its Influence on the Cellular Response to Biomaterials: A Systematic Review. J Funct Biomater 2024; 15:178. [PMID: 39057300 PMCID: PMC11277605 DOI: 10.3390/jfb15070178] [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: 05/24/2024] [Revised: 06/20/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024] Open
Abstract
Zinc is known for its role in enhancing bone metabolism, cell proliferation, and tissue regeneration. Several studies proposed the incorporation of zinc into hydroxyapatite (HA) to produce biomaterials (ZnHA) that stimulate and accelerate bone healing. This systematic review aimed to understand the physicochemical characteristics of zinc-doped HA-based biomaterials and the evidence of their biological effects on osteoblastic cells. A comprehensive literature search was conducted from 2022 to 2024, covering all years of publications, in three databases (Web of Science, PUBMED, Scopus), retrieving 609 entries, with 36 articles included in the analysis according to the selection criteria. The selected studies provided data on the material's physicochemical properties, the methods of zinc incorporation, and the biological effects of ZnHA on bone cells. The production of ZnHA typically involves the wet chemical synthesis of HA and ZnHA precursors, followed by deposition on substrates using processes such as liquid precursor plasma spraying (LPPS). Characterization techniques confirmed the successful incorporation of zinc into the HA lattice. The findings indicated that zinc incorporation into HA at low concentrations is non-cytotoxic and beneficial for bone cells. ZnHA was found to stimulate cell proliferation, adhesion, and the production of osteogenic factors, thereby promoting in vitro mineralization. However, the optimal zinc concentration for the desired effects varied across studies, making it challenging to establish a standardized concentration. ZnHA materials are biocompatible and enhance osteoblast proliferation and differentiation. However, the mechanisms of zinc release and the ideal concentrations for optimal tissue regeneration require further investigation. Standardizing these parameters is essential for the effective clinical application of ZnHA.
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Affiliation(s)
- Jessica Dornelas
- NanoOnco3D, Rio de Janeiro 20000-000, Brazil
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
| | - Giselle Dornelas
- Post-Graduation Program in Sciences & Biotechnology, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
| | - Alexandre Rossi
- CBPF–Brazilian Center for Research in Physics, Rio de Janeiro 22290-180, Brazil
| | - Adriano Piattelli
- School of Dentistry, Saint Camillus International, University of Health and Medical Sciences, 00131 Rome, Italy
| | - Natalia Di Pietro
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, “G. D’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Tea Romasco
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, “G. D’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Carlos Fernando Mourão
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Gutemberg Gomes Alves
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
- Post-Graduation Program in Sciences & Biotechnology, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
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Schmitz TC, Salzer E, Crispim JF, Fabra GT, LeVisage C, Pandit A, Tryfonidou M, Maitre CL, Ito K. Characterization of biomaterials intended for use in the nucleus pulposus of degenerated intervertebral discs. Acta Biomater 2020; 114:1-15. [PMID: 32771592 DOI: 10.1016/j.actbio.2020.08.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/06/2020] [Accepted: 08/03/2020] [Indexed: 12/19/2022]
Abstract
Biomaterials for regeneration of the intervertebral disc must meet complex requirements conforming to biological, mechanical and clinical demands. Currently no consensus on their characterization exists. It is crucial to identify parameters and their method of characterization for accurate assessment of their potential efficacy, keeping in mind the translation towards clinical application. This review systematically analyses the characterization techniques of biomaterial systems that have been used for nucleus pulposus (NP) restoration and regeneration. Substantial differences in the approach towards assessment became evident, hindering comparisons between different materials with respect to their suitability for NP restoration and regeneration. We have analysed the current approaches and identified parameters necessary for adequate biomaterial characterization, with the clinical goal of functional restoration and biological regeneration of the NP in mind. Further, we provide guidelines and goals for their measurement. STATEMENT OF SIGNIFICANCE: Biomaterials intended for restoration of regeneration of the nucleus pulposus within the intervertebral disc must meet biological, biomechanical and clinical demands. Many materials have been investigated, but a lack of consensus on which parameters to evaluate leads to difficulties in comparing materials as well as mostly partial characterization of the materials in question. A gap between current methodology and clinically relevant and meaningful characterization is prevalent. In this article, we identify necessary methods and their implementation for complete biomaterial characterization in the context of clinical applicability. This will allow for a more unified approach to NP-biomaterials research within the field as a whole and enable comparative analysis of novel materials yet to be developed.
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Affiliation(s)
- Tara C Schmitz
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
| | - Elias Salzer
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
| | - João F Crispim
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
| | - Georgina Targa Fabra
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, 7WQJ+8F Galway, Ireland.
| | - Catherine LeVisage
- Université de Nantes, INSERM UMR 1229, Regenerative Medicine and Skeleton, RMeS School of Dental Surgery, University of Nantes, 1 Place Ricordeau, 44300 Nantes, France.
| | - Abhay Pandit
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, 7WQJ+8F Galway, Ireland.
| | - Marianna Tryfonidou
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, Netherlands.
| | - Christine Le Maitre
- Biomolecular Sciences Research Centre Sheffield Hallam University, City Campus, Howard Street, S1 1WB Sheffield, United Kingdom.
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
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Rahmati M, Silva EA, Reseland JE, A Heyward C, Haugen HJ. Biological responses to physicochemical properties of biomaterial surface. Chem Soc Rev 2020; 49:5178-5224. [PMID: 32642749 DOI: 10.1039/d0cs00103a] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Biomedical scientists use chemistry-driven processes found in nature as an inspiration to design biomaterials as promising diagnostic tools, therapeutic solutions, or tissue substitutes. While substantial consideration is devoted to the design and validation of biomaterials, the nature of their interactions with the surrounding biological microenvironment is commonly neglected. This gap of knowledge could be owing to our poor understanding of biochemical signaling pathways, lack of reliable techniques for designing biomaterials with optimal physicochemical properties, and/or poor stability of biomaterial properties after implantation. The success of host responses to biomaterials, known as biocompatibility, depends on chemical principles as the root of both cell signaling pathways in the body and how the biomaterial surface is designed. Most of the current review papers have discussed chemical engineering and biological principles of designing biomaterials as separate topics, which has resulted in neglecting the main role of chemistry in this field. In this review, we discuss biocompatibility in the context of chemistry, what it is and how to assess it, while describing contributions from both biochemical cues and biomaterials as well as the means of harmonizing them. We address both biochemical signal-transduction pathways and engineering principles of designing a biomaterial with an emphasis on its surface physicochemistry. As we aim to show the role of chemistry in the crosstalk between the surface physicochemical properties and body responses, we concisely highlight the main biochemical signal-transduction pathways involved in the biocompatibility complex. Finally, we discuss the progress and challenges associated with the current strategies used for improving the chemical and physical interactions between cells and biomaterial surface.
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Affiliation(s)
- Maryam Rahmati
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, 0317 Oslo, Norway. h.j.haugen.odont.uio.no
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Borciani G, Montalbano G, Baldini N, Cerqueni G, Vitale-Brovarone C, Ciapetti G. Co-culture systems of osteoblasts and osteoclasts: Simulating in vitro bone remodeling in regenerative approaches. Acta Biomater 2020; 108:22-45. [PMID: 32251782 DOI: 10.1016/j.actbio.2020.03.043] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/20/2020] [Accepted: 03/30/2020] [Indexed: 02/08/2023]
Abstract
Bone is an extremely dynamic tissue, undergoing continuous remodeling for its whole lifetime, but its regeneration or augmentation due to bone loss or defects are not always easy to obtain. Bone tissue engineering (BTE) is a promising approach, and its success often relies on a "smart" scaffold, as a support to host and guide bone formation through bone cell precursors. Bone homeostasis is maintained by osteoblasts (OBs) and osteoclasts (OCs) within the basic multicellular unit, in a consecutive cycle of resorption and formation. Therefore, a functional scaffold should allow the best possible OB/OC cooperation for bone remodeling, as happens within the bone extracellular matrix in the body. In the present work OB/OC co-culture models, with and without scaffolds, are reviewed. These experimental systems are intended for different targets, including bone remodeling simulation, drug testing and the assessment of biomaterials and 3D scaffolds for BTE. As a consequence, several parameters, such as cell type, cell ratio, culture medium and inducers, culture times and setpoints, assay methods, etc. vary greatly. This review identifies and systematically reports the in vitro methods explored up to now, which, as they allow cellular communication, more closely resemble bone remodeling and/or the regeneration process in the framework of BTE. STATEMENT OF SIGNIFICANCE: Bone is a dynamic tissue under continuous remodeling, but spontaneous healing may fail in the case of excessive bone loss which often requires valid alternatives to conventional treatments to restore bone integrity, like bone tissue engineering (BTE). Pre-clinical evaluation of scaffolds for BTE requires in vitro testing where co-cultures combining innovative materials with osteoblasts (OBs) and osteoclasts (OCs) closely mimic the in vivo repair process. This review considers the direct and indirect OB/OC co-cultures relevant to BTE, from the early mouse-cell models to the recent bone regenerative systems. The co-culture modeling of bone microenvironment provides reliable information on bone cell cross-talk. Starting from improved knowledge on bone remodeling, bone disease mechanisms may be understood and new BTE solutions are designed.
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van Uden S, Vanerio N, Catto V, Bonandrini B, Tironi M, Figliuzzi M, Remuzzi A, Kock L, Redaelli ACL, Greco FG, Riboldi SA. A novel hybrid silk-fibroin/polyurethane three-layered vascular graft: towards in situ tissue-engineered vascular accesses for haemodialysis. ACTA ACUST UNITED AC 2019; 14:025007. [PMID: 30620939 DOI: 10.1088/1748-605x/aafc96] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Clinically available alternatives of vascular access for long-term haemodialysis-currently limited to native arteriovenous fistulae and synthetic grafts-suffer from several drawbacks and are associated to high failure rates. Bioprosthetic grafts and tissue-engineered blood vessels are costly alternatives without clearly demonstrated increased performance. In situ tissue engineering could be the ideal approach to provide a vascular access that profits from the advantages of vascular grafts in the short-term (e.g. early cannulation) and of fistulae in the long-term (e.g. high success rates driven by biointegration). Hence, in this study a three-layered silk fibroin/polyurethane vascular graft was developed by electrospinning to be applied as long-term haemodialysis vascular access pursuing a 'hybrid' in situ engineering approach (i.e. based on a semi-degradable scaffold). This Silkothane® graft was characterized concerning morphology, mechanics, physical properties, blood contact and vascular cell adhesion/viability. The full three-layered graft structure, influenced by the polyurethane presence, ensured mechanical properties that are a determinant factor for the success of a vascular access (e.g. vein-graft compliance matching). The Silkothane® graft demonstrated early cannulation potential in line with self-sealing commercial synthetic arteriovenous grafts, and a degradability driven by enzymatic activity. Moreover, the fibroin-only layers and extracellular matrix-like morphology, presented by the graft, revealed to be crucial in providing a non-haemolytic character, long clotting time, and favourable adhesion of human umbilical vein endothelial cells with increasing viability after 3 and 7 d. Accordingly, the proposed approach may represent a step forward towards an in situ engineered hybrid vascular access with potentialities for vein-graft anastomosis stability, early cannulation, and biointegration.
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Affiliation(s)
- Sebastião van Uden
- Bioengineering Laboratories S.r.l., Cantù, Italy. Dipartimento di Elettronica Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
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6
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Tolba E, Wang X, Ackermann M, Neufurth M, Muñoz‐Espí R, Schröder HC, Müller WEG. In Situ Polyphosphate Nanoparticle Formation in Hybrid Poly(vinyl alcohol)/Karaya Gum Hydrogels: A Porous Scaffold Inducing Infiltration of Mesenchymal Stem Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801452. [PMID: 30693187 PMCID: PMC6343068 DOI: 10.1002/advs.201801452] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/16/2018] [Indexed: 04/14/2023]
Abstract
The preparation and characterization of a porous hybrid cryogel based on the two organic polymers, poly(vinyl alcohol) (PVA) and karaya gum (KG), into which polyphosphate (polyP) nanoparticles have been incorporated, are described. The PVA/KG cryogel is prepared by intermolecular cross-linking of PVA via freeze-thawing and Ca2+-mediated ionic gelation of KG to form stable salt bridges. The incorporation of polyP as amorphous nanoparticles with Ca2+ ions (Ca-polyP-NP) is achieved using an in situ approach. The polyP constituent does not significantly affect the viscoelastic properties of the PVA/KG cryogel that are comparable to natural soft tissue. The exposure of the Ca-polyP-NP within the cryogel to medium/serum allows the formation of a biologically active polyP coacervate/protein matrix that stimulates the growth of human mesenchymal stem cells in vitro and provides the cells a suitable matrix for infiltration superior to the polyP-free cryogel. In vivo biocompatibility studies in rats reveal that already two to four weeks after implantation into muscle, the implant regions containing the polyP-KG/PVA material become replaced by initial granulation tissue, whereas the controls are free of any cells. It is proposed that the polyP-KG/PVA cryogel has the potential to become a promising implant material for soft tissue engineering/repair.
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Affiliation(s)
- Emad Tolba
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological ChemistryUniversity Medical Center of the Johannes Gutenberg UniversityDuesbergweg 655128MainzGermany
- Polymers and Pigments DepartmentNational Research CentreDokki12622GizaEgypt
| | - Xiaohong Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological ChemistryUniversity Medical Center of the Johannes Gutenberg UniversityDuesbergweg 655128MainzGermany
| | - Maximilian Ackermann
- Institute of Functional and Clinical AnatomyUniversity Medical Center of the Johannes Gutenberg UniversityJohann Joachim Becher Weg 1355099MainzGermany
| | - Meik Neufurth
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological ChemistryUniversity Medical Center of the Johannes Gutenberg UniversityDuesbergweg 655128MainzGermany
| | - Rafael Muñoz‐Espí
- Institute of Materials Science (ICMUV)Universitat de ValènciaC/Catedràtic José Beltrán 246980PaternaValènciaSpain
| | - Heinz C. Schröder
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological ChemistryUniversity Medical Center of the Johannes Gutenberg UniversityDuesbergweg 655128MainzGermany
| | - Werner E. G. Müller
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological ChemistryUniversity Medical Center of the Johannes Gutenberg UniversityDuesbergweg 655128MainzGermany
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Zahedi E, Esmaeili A, Eslahi N, Shokrgozar MA, Simchi A. Fabrication and Characterization of Core-Shell Electrospun Fibrous Mats Containing Medicinal Herbs for Wound Healing and Skin Tissue Engineering. Mar Drugs 2019; 17:E27. [PMID: 30621270 PMCID: PMC6357190 DOI: 10.3390/md17010027] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/20/2018] [Accepted: 12/27/2018] [Indexed: 11/16/2022] Open
Abstract
Nanofibrous structures mimicking the native extracellular matrix have attracted considerable attention for biomedical applications. The present study aims to design and produce drug-eluting core-shell fibrous scaffolds for wound healing and skin tissue engineering. Aloe vera extracts were encapsulated inside polymer fibers containing chitosan, polycaprolactone, and keratin using the co-axial electrospinning technique. Electron microscopic studies show that continuous and uniform fibers with an average diameter of 209 ± 47 nm were successfully fabricated. The fibers have a core-shell structure with a shell thickness of about 90 nm, as confirmed by transmission electron microscopy. By employing Fourier-transform infrared spectroscopy, the characteristic peaks of Aloe vera were detected, which indicate successful incorporation of this natural herb into the polymeric fibers. Tensile testing and hydrophilicity measurements indicated an ultimate strength of 5.3 MPa (elongation of 0.63%) and water contact angle of 89°. In-vitro biological assay revealed increased cellular growth and adhesion with the presence of Aloe vera without any cytotoxic effects. The prepared core-shell fibrous mats containing medical herbs have a great potential for wound healing applications.
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Affiliation(s)
- Elahe Zahedi
- Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, P.O. Box 19585/936, Tehran, Iran.
| | - Akbar Esmaeili
- Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, P.O. Box 19585/936, Tehran, Iran.
| | - Niloofar Eslahi
- Department of Textile Engineering, Science and Research Branch, Islamic Azad University, P.O. Box 14515/775, Tehran, Iran.
| | | | - Abdolreza Simchi
- Department of Materials Science and Engineering, Sharif University of Technology, Azadi Avenue, P.O. Box 11365/8639, Tehran, Iran.
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Azadi Avenue, P.O. Box 11365/8639, Tehran, Iran.
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8
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Wilson S, Nagel SJ, Frizon LA, Fredericks DC, DeVries-Watson NA, Gillies GT, Howard MA. The Hemisection Approach in Large Animal Models of Spinal Cord Injury: Overview of Methods and Applications. J INVEST SURG 2018; 33:240-251. [PMID: 30380340 DOI: 10.1080/08941939.2018.1492048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Introduction: Translating basic science research into a safe and effective therapy for spinal cord injury (SCI) requires suitable large animal models for testing both implantable devices and biologic approaches to better approximate human anatomy and function. Hemisection lesions, routinely used for investigational purposes in small animals, are less frequently described in large animals that might be appropriate for translational studies. Size constraints of small animals (mice and rats) limits the predictability of the findings when scaled up. Our goal is to review the status of hemisection SCI in large animals across species and time to prepare for the testing of a novel intradural spinal cord stimulation device for control of spasticity in an ovine model. Methods and Results: We surveyed the literature on hemisection in quadrupeds and nonhuman primates, and catalogued the species, protocols and outcomes of the experimental work in this field. Feline, lapine, canine, simian, porcine, ovine and bovine models were the primary focal points. There is a consistent body of literature reporting use of the hemisection approach in large animals, but with differences in surgical technique depending on the goals and nature of the individual studies. While the injuries are not always consistent, the experimental variability is generally lower than that of the contusion-based approach. In general, as the body size of the animal increases, animal care requirements and the associated costs follow. In most cases, this is inversely correlated with the number of animals used in hemisection models. Conclusions: The hemisection approach to modeling SCI is straightforward compared with other methods such as the contusive impact and enables the transection of isolated ascending and descending tracts and segment specific cell bodies. This has certain advantages in models investigating post-injury axonal regrowth. However, this approach is not generally in line with the patho-physiologies encountered in SCI patients. Even so, the ability to achieve more control over the level of injury makes it a useful adjunct to contusive and ischemic approaches, and suggests a useful role in future translational studies.
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Affiliation(s)
- S Wilson
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - S J Nagel
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA
| | - L A Frizon
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA
| | - D C Fredericks
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - N A DeVries-Watson
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - G T Gillies
- Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA, USA
| | - M A Howard
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
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9
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Polysaccharides for tissue engineering: Current landscape and future prospects. Carbohydr Polym 2018; 205:601-625. [PMID: 30446147 DOI: 10.1016/j.carbpol.2018.10.039] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 09/28/2018] [Accepted: 10/12/2018] [Indexed: 12/21/2022]
Abstract
Biological studies on the importance of carbohydrate moieties in tissue engineering have incited a growing interest in the application of polysaccharides as scaffolds over the past two decades. This review provides a perspective of the recent approaches in developing polysaccharide scaffolds, with a focus on their chemical modification, structural versatility, and biological applicability. The current major limitations are assessed, including structural reproducibility, the narrow scope of polysaccharide modifications being applied, and the effective replication of the extracellular environment. Areas with opportunities for further development are addressed with an emphasis on the application of rationally designed polysaccharides and their importance in elucidating the molecular interactions necessary to properly design tissue engineering materials.
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10
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Müller WEG, Wang S, Tolba E, Neufurth M, Ackermann M, Muñoz-Espí R, Lieberwirth I, Glasser G, Schröder HC, Wang X. Transformation of Amorphous Polyphosphate Nanoparticles into Coacervate Complexes: An Approach for the Encapsulation of Mesenchymal Stem Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1801170. [PMID: 29847707 DOI: 10.1002/smll.201801170] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 04/22/2018] [Indexed: 06/08/2023]
Abstract
Inorganic polyphosphate [polyP] has proven to be a promising physiological biopolymer for potential use in regenerative medicine because of its morphogenetic activity and function as an extracellular energy-donating system. Amorphous Ca2+ -polyP nanoparticles [Ca-polyP-NPs] are characterized by a high zeta potential with -34 mV (at pH 7.4). This should contribute to the stability of suspensions of the spherical nanoparticles (radius 94 nm), but make them less biocompatible. The zeta potential decreases to near zero after exposure of the Ca-polyP-NPs to protein/peptide-containing serum or medium plus serum. Electron microscopy analysis reveals that the particles rapidly change into a coacervate phase. Those mats are amorphous, but less stable than the likewise amorphous Ca-polyP-NPs and are morphogenetically active. Mesenchymal stem cells grown onto the polyP coacervate show enhanced growth/proliferation and become embedded in the coacervate. These results suggest that the Ca-polyP coacervate, formed from Ca-polyP-NPs in the presence of protein, can act as an adaptable framework that mimics a niche and provides metabolic energy in bone/cartilage engineering.
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Affiliation(s)
- Werner E G Müller
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Shunfeng Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Emad Tolba
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
- Polymers and Pigments Department, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Meik Neufurth
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Maximilian Ackermann
- Institute of Functional and Clinical Anatomy, University Medical Center of the Johannes Gutenberg University, Johann Joachim Becher Weg 13, D-55099, Mainz, Germany
| | - Rafael Muñoz-Espí
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, Paterna, 46980, València, Spain
| | - Ingo Lieberwirth
- Max Planck Institute for Polymer Research, Electron Microscopy Division, Ackermannweg 10, D-55021, Mainz, Germany
| | - Gunnar Glasser
- Max Planck Institute for Polymer Research, Electron Microscopy Division, Ackermannweg 10, D-55021, Mainz, Germany
| | - Heinz C Schröder
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Xiaohong Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
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Satapathy MK, Nyambat B, Chiang CW, Chen CH, Wong PC, Ho PH, Jheng PR, Burnouf T, Tseng CL, Chuang EY. A Gelatin Hydrogel-Containing Nano-Organic PEI⁻Ppy with a Photothermal Responsive Effect for Tissue Engineering Applications. Molecules 2018; 23:E1256. [PMID: 29795044 PMCID: PMC6099840 DOI: 10.3390/molecules23061256] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/11/2018] [Accepted: 05/19/2018] [Indexed: 12/25/2022] Open
Abstract
The introduction and designing of functional thermoresponsive hydrogels have been recommended as recent potential therapeutic approaches for biomedical applications. The development of bioactive materials such as thermosensitive gelatin-incorporated nano-organic materials with a porous structure and photothermally triggerable and cell adhesion properties may potentially achieve this goal. This novel class of photothermal hydrogels can provide an advantage of hyperthermia together with a reversibly transformable hydrogel for tissue engineering. Polypyrrole (Ppy) is a bioorganic conducting polymeric substance and has long been used in biomedical applications owing to its brilliant stability, electrically conductive features, and excellent absorbance around the near-infrared (NIR) region. In this study, a cationic photothermal triggerable/guidable gelatin hydrogel containing a polyethylenimine (PEI)⁻Ppy nanocomplex with a porous microstructure was established, and its physicochemical characteristics were studied through dynamic light scattering, scanning electronic microscopy, transmission electron microscopy, an FTIR; and cellular interaction behaviors towards fibroblasts incubated with a test sample were examined via MTT assay and fluorescence microscopy. Photothermal performance was evaluated. Furthermore, the in vivo study was performed on male Wistar rat full thickness excisions model for checking the safety and efficacy of the designed gelatin⁻PEI⁻Ppy nanohydrogel system in wound healing and for other biomedical uses in future. This photothermally sensitive hydrogel system has an NIR-triggerable property that provides local hyperthermic temperature by PEI⁻Ppy nanoparticles for tissue engineering applications. Features of the designed hydrogel may fill other niches, such as being an antibacterial agent, generation of free radicals to further improve wound healing, and remodeling of the promising photothermal therapy for future tissue engineering applications.
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Affiliation(s)
- Mantosh Kumar Satapathy
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Batzaya Nyambat
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Chih-Wei Chiang
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- Bone and Joint Research Center, Department of Orthopedics, Taipei Medical University Hospital, School of Medicine, College of Medicine, Taipei Medical University, No. 252, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Room 410, Barry Lam Hall, No.1, Sec.4, Roosevelt Road, Taipei 10617, Taiwan.
| | - Chih-Hwa Chen
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- Bone and Joint Research Center, Department of Orthopedics, Taipei Medical University Hospital, School of Medicine, College of Medicine, Taipei Medical University, No. 252, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Pei-Chun Wong
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Po-Hsien Ho
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Pei-Ru Jheng
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Ching-Li Tseng
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
| | - Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering Taipei Medical University and International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei 110, Taiwan.
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12
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Wang X, Schröder HC, Müller WEG. Amorphous polyphosphate, a smart bioinspired nano-/bio-material for bone and cartilage regeneration: towards a new paradigm in tissue engineering. J Mater Chem B 2018; 6:2385-2412. [DOI: 10.1039/c8tb00241j] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Physiological amorphous polyphosphate nano/micro-particles, injectable and implantable, attract and stimulate MSCs into implants for tissue regeneration.
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Affiliation(s)
- Xiaohong Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry
- University Medical Center of the Johannes Gutenberg University
- 55128 Mainz
- Germany
| | - Heinz C. Schröder
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry
- University Medical Center of the Johannes Gutenberg University
- 55128 Mainz
- Germany
| | - Werner E. G. Müller
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry
- University Medical Center of the Johannes Gutenberg University
- 55128 Mainz
- Germany
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