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Pandit A, Indurkar A, Locs J, Haugen HJ, Loca D. Calcium Phosphates: A Key to Next-Generation In Vitro Bone Modeling. Adv Healthc Mater 2024:e2401307. [PMID: 39175382 DOI: 10.1002/adhm.202401307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 08/06/2024] [Indexed: 08/24/2024]
Abstract
The replication of bone physiology under laboratory conditions is a prime target behind the development of in vitro bone models. The model should be robust enough to elicit an unbiased response when stimulated experimentally, giving reproducible outcomes. In vitro bone tissue generation majorly requires the availability of cellular components, the presence of factors promoting cellular proliferation and differentiation, efficient nutrient supply, and a supporting matrix for the cells to anchor - gaining predefined topology. Calcium phosphates (CaP) are difficult to ignore while considering the above requirements of a bone model. Therefore, the current review focuses on the role of CaP in developing an in vitro bone model addressing the prerequisites of bone tissue generation. Special emphasis is given to the physico-chemical properties of CaP that promote osteogenesis, angiogenesis and provide sufficient mechanical strength for load-bearing applications. Finally, the future course of action is discussed to ensure efficient utilization of CaP in the in vitro bone model development field.
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Affiliation(s)
- Ashish Pandit
- Institute of Biomaterials and Bioengineering, Faculty of Natural Sciences and Technology, Riga Technical University, Pulka Street 3, Riga, LV-1007, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, LV-1007, Latvia
| | - Abhishek Indurkar
- Institute of Biomaterials and Bioengineering, Faculty of Natural Sciences and Technology, Riga Technical University, Pulka Street 3, Riga, LV-1007, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, LV-1007, Latvia
| | - Janis Locs
- Institute of Biomaterials and Bioengineering, Faculty of Natural Sciences and Technology, Riga Technical University, Pulka Street 3, Riga, LV-1007, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, LV-1007, Latvia
| | | | - Dagnija Loca
- Institute of Biomaterials and Bioengineering, Faculty of Natural Sciences and Technology, Riga Technical University, Pulka Street 3, Riga, LV-1007, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, LV-1007, Latvia
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Rath P, Mandal S, Das P, Sahoo SN, Mandal S, Ghosh D, Nandi SK, Roy M. Effects of the multiscale porosity of decellularized platelet-rich fibrin-loaded zinc-doped magnesium phosphate scaffolds in bone regeneration. J Mater Chem B 2024; 12:5869-5883. [PMID: 38775079 DOI: 10.1039/d3tb02981f] [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: 06/20/2024]
Abstract
In recent years, metallic ion-doped magnesium phosphate (MgP)-based degradable bioceramics have emerged as alternative bone substitute materials owing to their excellent biocompatibility, bone-forming ability, bioactivity, and controlled degradability. Conversely, incorporating a biomolecule such as decellularized platelet-rich fibrin (d-PRF) on scaffolds has certain advantages for bone tissue regeneration, particularly in enhanced osteogenesis and angiogenesis. The present study focuses on the impact of d-PRF-loaded multiscale porous zinc-doped magnesium phosphate (Zn-MgP) scaffolds on biodegradability, biocompatibility, and bone regeneration. Scaffolds were fabricated through the powder-metallurgy route utilizing naphthalene as a porogen (porosity = 5-43%). With the inclusion of a higher porogen, a higher fraction of macro-porosity (>20 μm) and pore interconnectivity were observed. X-ray diffraction (XRD) studies confirmed the formation of the farringtonite phase. The developed scaffolds exhibited a minimum ultimate compressive strength (UCS) of 8.5 MPa (for 40 Naph), which lies within the range of UCS of the cancellous bone of humans (2-12 MPa). The in vitro assessment via immersion in physiological fluid yielded a higher deposition of the calcium phosphate (CaP) compound in response to increased macro-porosity and interconnectivity (40 Naph). Cytocompatibility assessed using MC3T3-E1 cells showed that the incorporation of d-PRF coupled with increased porosity resulted the highest cell attachment, proliferation, and viability. For further evaluation, the developed scaffolds were implanted in in vivo rabbit femur condylar defects. Radiography, SEM, OTC labelling, and histology analysis after 2 months of implantation revealed the better invasion of mature osteoblastic cells into the scaffolds with enhanced angiogenesis and superior and accelerated healing of bone defects in d-PRF-incorporated higher porosity scaffolds (40 Naph). Finally, it is hypothesized that the combination of d-PRF incorporation with multiscale porosity and increased interconnectivity facilitated better bone-forming ability, good biocompatibility, and controlled degradability within and around the Zn-doped MgP scaffolds.
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Affiliation(s)
- Pritish Rath
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, India.
| | - Santanu Mandal
- School of Minerals, Metallurgical and Materials Engineering, Indian Institute of Technology Bhubaneswar, Argul, 752050, India
| | - Pratik Das
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, India.
| | - Satyabrata Nigamananda Sahoo
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology - Kharagpur, Kharagpur, 721302, India.
| | - Samiran Mandal
- Department of Veterinary Pathology, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, India
| | - Debaki Ghosh
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, India.
| | - Samit Kumar Nandi
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, 700037, India.
| | - Mangal Roy
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology - Kharagpur, Kharagpur, 721302, India.
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Wei SY, Chen PY, Tsai MC, Hsu TL, Hsieh CC, Fan HW, Chen TH, Xie RH, Chen GY, Chen YC. Enhancing the Repair of Substantial Volumetric Muscle Loss by Creating Different Levels of Blood Vessel Networks Using Pre-Vascularized Nerve Hydrogel Implants. Adv Healthc Mater 2024; 13:e2303320. [PMID: 38354361 DOI: 10.1002/adhm.202303320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 02/06/2024] [Indexed: 02/16/2024]
Abstract
Volumetric muscle loss (VML), a severe muscle tissue loss from trauma or surgery, results in scarring, limited regeneration, and significant fibrosis, leading to lasting reductions in muscle mass and function. A promising approach for VML recovery involves restoring vascular and neural networks at the injury site, a process not extensively studied yet. Collagen hydrogels have been investigated as scaffolds for blood vessel formation due to their biocompatibility, but reconstructing blood vessels and guiding innervation at the injury site is still difficult. In this study, collagen hydrogels with varied densities of vessel-forming cells are implanted subcutaneously in mice, generating pre-vascularized hydrogels with diverse vessel densities (0-145 numbers/mm2) within a week. These hydrogels, after being transplanted into muscle injury sites, are assessed for muscle repair capabilities. Results showed that hydrogels with high microvessel densities, filling the wound area, effectively reconnected with host vasculature and neural networks, promoting neovascularization and muscle integration, and addressing about 63% of the VML.
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Affiliation(s)
- Shih-Yen Wei
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Po-Yu Chen
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Min-Chun Tsai
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Ting-Lun Hsu
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Chia-Chang Hsieh
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Hsiu-Wei Fan
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
| | - Tzu-Hsuan Chen
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA, 15289, USA
| | - Ren-Hao Xie
- Department of Electrical and Computer Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
| | - Guan-Yu Chen
- Department of Electrical and Computer Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, 300193, Taiwan
| | - Ying-Chieh Chen
- Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 300044, Taiwan
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Qian E, Kang Y. Branched Channels in Porous β-Tricalcium Phosphate Scaffold Promote Vascularization. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19081-19093. [PMID: 38442339 DOI: 10.1021/acsami.3c17328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Rapid and efficient vascularization is still considerably challenging for a porous β-tricalcium phosphate (β-TCP) scaffold to achieve. To overcome this challenge, branched channels were created in the porous β-TCP scaffold by using 3D printing and a template-casting method to facilitate the instant flow of blood supply. Human bone mesenchymal stem cells (hBMSCs) and human umbilical vein endothelial cells (HUVECs) were seeded in the channeled porous scaffolds and characterized through a double-stranded DNA (dsDNA) assay, alkaline phosphatase (ALP) assay, and cell migration. Channeled porous β-TCP scaffolds were then implanted in the subcutaneous pockets of mice. Histological staining and immunohistochemical staining on vascularization and bone-related markers were carried out on the embedded paraffin sections. Results from in vitro experiments showed that branched channels significantly promoted HUVECs' infiltration, migration, proliferation, and angiogenesis, and also promoted the proliferation and osteogenesis differentiation of hBMSCs. In vivo implantation results showed that, in the early stage after implantation, cells significantly migrated into branched channeled scaffolds. More matured blood vessels formed in the branched channeled scaffolds compared to that in nonchanneled and straight channeled scaffolds. Beside promoting vascularization, the branched channels also stimulated the infiltration of bone-related cells into the scaffolds. These results suggested that the geometric design of branched channels in the porous β-TCP scaffold promoted rapid vascularization and potentially stimulated bone cells recruitment.
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Affiliation(s)
- Enze Qian
- Department of Ocean & Mechanical Engineering, Florida Atlantic University, Boca Raton, Florida 33431, United States
| | - Yunqing Kang
- Department of Ocean & Mechanical Engineering, Florida Atlantic University, Boca Raton, Florida 33431, United States
- Department of Biomedical Science, Florida Atlantic University, Boca Raton, Florida 33431, United States
- Faculty of Integrative Biology Ph.D. Program, Department of Biological Science, Florida Atlantic University, Boca Raton, Florida 33431, United States
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
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Hadad H, Matheus HR, Chen JE, Jounaidi Y, Souza FÁ, Guastaldi FPS. Dose-dependent effects of zoledronic acid on the osteogenic differentiation of human bone marrow stem cells (hBMSCs). JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2023; 124:101479. [PMID: 37080358 DOI: 10.1016/j.jormas.2023.101479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/17/2023] [Indexed: 04/22/2023]
Abstract
Recent studies have shown that bisphosphonates can also impact osteoblasts besides osteoclasts. This study aimed to evaluate the effects of different concentrations of Zoledronic acid (ZA) during the osteogenic differentiation of human Bone Marrow Stem Cells (hBMSCs) in vitro. Thus, osteogenic differentiation of hBMSCs was conducted with different concentrations of Zoledronic Acid (ZA) (0, 0.1, 1.0, and 5.0 μM) for the first 3 days. Cell metabolism was quantified at 1-, 3-, 7-, and 14 days. At 7- and 14-days, the following analyses were performed: 1) mineralization nodule assay, 2) LIVE/DEAD™, 3) cell adhesion and spreading, 4) alkaline phosphatase (ALP) activity, and 5) qPCR analysis for RUNX-2), ALPL, and COL1 A1. Data were analyzed by ANOVA 2-way, followed by Tukey's post hoc test (p < 0.05). Cell metabolism (3-, 7-, and 14-days) (p < 0.001), mineralization (7-, 14-days) (p < 0.001), and ALP activity (14-days) (p < 0.001) were reduced in ZA 5.0 µM when compared to control (no ZA). Also, ZA 5.0 µM downregulated the expression of RUNX2 at 7- and 14-days (p < 0.001). It is possible to conclude that ZA (5.0 µM) can impair hBMSC differentiation into osteoblasts and interferes with its mineralization phase.
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Affiliation(s)
- Henrique Hadad
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA; Department of Diagnosis and Surgery, Oral & Maxillofacial Surgery Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Henrique Rinaldi Matheus
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA; Department of Diagnosis and Surgery, Division of Periodontics, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Jason Evan Chen
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA
| | - Youssef Jounaidi
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Francisley Ávila Souza
- Department of Diagnosis and Surgery, Oral & Maxillofacial Surgery Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Fernando Pozzi Semeghini Guastaldi
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA.
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Chen S, Wang H, Liu D, Bai J, Haugen HJ, Li B, Yan H. Early osteoimmunomodulation by mucin hydrogels augments the healing and revascularization of rat critical-size calvarial bone defects. Bioact Mater 2023; 25:176-188. [PMID: 36817825 PMCID: PMC9932297 DOI: 10.1016/j.bioactmat.2023.01.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/08/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
The design principle of osteogenic bone grafts has shifted from immunological inertness to limiting foreign body response to combined osteoimmunomodulatory activity to promote high-quality endogenous bone regeneration. Recently developed immunomodulatory mucin hydrogels have been shown to elicit very low complement activation and suppress macrophage release and activation after implantation in vivo. However, their immunoregulatory activity has not yet been studied in the context of tissue repair. Herein, we synthesized mucin-monetite composite materials and investigated their early osteoimmunomodulation using a critical-size rat bone defect model. We demonstrated that the composites can polarize macrophages towards the M2 phenotype at weeks 1 and 2. The early osteoimmunomodulation enhanced early osteogenesis and angiogenesis and ultimately promoted fracture healing and engraftment (revascularization of the host vasculature) at weeks 6 and 12. Overall, we demonstrated the applicability of mucin-based immunomodulatory biomaterials to enhance tissue repair in tissue engineering and regenerative medicine.
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Affiliation(s)
- Song Chen
- Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, School of Biology & Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Huan Wang
- Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, School of Biology & Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Dachuan Liu
- Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, School of Biology & Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Jianzhong Bai
- Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, School of Biology & Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Håvard Jostein Haugen
- Department of Biomaterials, Institute for Clinical Dentistry, University of Oslo, PO Box 1109 Blindern, Oslo, 0376, Norway
| | - Bin Li
- Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, School of Biology & Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China,Corresponding author.
| | - Hongji Yan
- AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska Institute and KTH Royal Institute of Technology, 171 77, Stockholm, Sweden,Department of Neuroscience, Karolinska Institute, 171 77, Stockholm, Sweden,Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, 106 91, Stockholm, Sweden,Corresponding author. AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska Institutet and KTH Royal Institute of Technology, 171 77, Stockholm, Sweden.
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de Silva L, Bernal PN, Rosenberg A, Malda J, Levato R, Gawlitta D. Biofabricating the vascular tree in engineered bone tissue. Acta Biomater 2023; 156:250-268. [PMID: 36041651 DOI: 10.1016/j.actbio.2022.08.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 01/18/2023]
Abstract
The development of tissue engineering strategies for treatment of large bone defects has become increasingly relevant, given the growing demand for bone substitutes. Native bone is composed of a dense vascular network necessary for the regulation of bone development, regeneration and homeostasis. A major obstacle in fabricating living, clinically relevant-sized bone mimics (1-10 cm3) is the limited supply of nutrients, including oxygen to the core of the construct. Therefore, strategies to support vascularization are pivotal for the development of tissue engineered bone constructs. Creating a functional bone construct integrated with a vascular network, capable of delivering the necessary nutrients for optimal tissue development is imperative for translation into the clinics. The vascular system is composed of a complex network that runs throughout the body in a tree-like hierarchical branching fashion. A significant challenge for tissue engineering approaches lies in mimicking the intricate, multi-scale structures consisting of larger vessels (macro-vessels) which interconnect with multiple sprouting vessels (microvessels) in a closed network. The advent of biofabrication has enabled complex, out of plane channels to be generated and has laid the groundwork for the creation of multi-scale vasculature in recent years. This review highlights the key state-of-the-art achievements for the development of vascular networks of varying scales in the field of biofabrication with a particular focus for its application in developing a functional tissue engineered bone construct. STATEMENT OF SIGNIFICANCE: There is a growing need for bone substitutes to overcome the limited supply of patient-derived bone. Bone tissue engineering aims to overcome this by combining stem cells with scaffolds to restore missing bone. The current bottleneck in upscaling is the lack of an integrated vascular network, required for the delivery of nutrients to cells. 3D bioprinting techniques has enabled the creation of complex hollow structures of varying dimensions that resemble native blood vessels. The convergence of multiple materials, cell types and fabrication approaches, opens the possibility of developing clinically-relevant sized vascularized bone constructs. This review provides an up-to-date insight of the technologies currently available for the generation of complex vascular networks, with a focus on their application in bone tissue engineering.
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Affiliation(s)
- Leanne de Silva
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands; Regenerative Medicine Center Utrecht, Utrecht, 3584 CT, the Netherlands.
| | - Paulina N Bernal
- Regenerative Medicine Center Utrecht, Utrecht, 3584 CT, the Netherlands; Department of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands
| | - Ajw Rosenberg
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands
| | - Jos Malda
- Regenerative Medicine Center Utrecht, Utrecht, 3584 CT, the Netherlands; Department of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands; Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, 3584 CT, the Netherlands
| | - Riccardo Levato
- Regenerative Medicine Center Utrecht, Utrecht, 3584 CT, the Netherlands; Department of Orthopaedics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands; Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, 3584 CT, the Netherlands
| | - Debby Gawlitta
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 GA, the Netherlands; Regenerative Medicine Center Utrecht, Utrecht, 3584 CT, the Netherlands
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Yaralı Çevik ZB, Karaman O, Topaloğlu N. Photobiomodulation therapy at red and near-infrared wavelengths for osteogenic differentiation in the scaffold-free microtissues. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 238:112615. [PMID: 36493718 DOI: 10.1016/j.jphotobiol.2022.112615] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 11/09/2022] [Accepted: 11/29/2022] [Indexed: 12/04/2022]
Abstract
One of the novel strategies for bone tissue regeneration is photobiomodulation (PBM) which depends on the red and near-infrared light absorption by mitochondria and may trigger bone tissue regeneration via the production of intracellular ROS and ATP, NO release, etc. It is also important to identify the changes in those signal molecule levels in an in vivo mimicking platform such as 3-Dimensional (3D) Scaffold Free Microtissues (SFMs) that may serve more natural osteogenic differentiation responses to PBM. Herein, we aimed to increase the osteogenic differentiation capability of the co-culture of Human Bone Marrow Stem Cells (hBMSC) and Human Umbilical Vein Endothelial Cells (HUVECs) on 3D SFMs by triple light treatment at 655 and 808-nm of wavelengths with the energy densities of 1, 3, and 5 J/cm2. We performed the analysis of cell viability, diameter measurements of SFMs, intracellular ROS production, NO release, ATP activity, temperature measurements, DNA content, ALPase activity, calcium content, and relative gene expressions of ALP, Collagen, and Osteopontin by qRT-PCR. It was found that both wavelengths were effective in terms of the viability of SFMs. 1 and 5 J/cm2 energy densities of both wavelengths increased the SFM diameter with significant changes in intracellular ROS, ATP, and NO levels compared to the control group. We concluded that PBM therapy was successful to induce osteogenesis. 1 J/cm2 at 655 nm of wavelength and 5 J/cm2 at 808 nm of wavelength were the most effective energy densities for osteogenic differentiation on SFMs with triple light treatment.
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Affiliation(s)
- Ziyşan Buse Yaralı Çevik
- Biomedical Test Calibration Application and Research Center, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey; Department of Biomedical Technologies, Graduate School of Natural and Applied Sciences, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey.
| | - Ozan Karaman
- Biomedical Test Calibration Application and Research Center, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey; Department of Biomedical Technologies, Graduate School of Natural and Applied Sciences, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey; Department of Biomedical Engineering, Faculty of Engineering and Architecture, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey.
| | - Nermin Topaloğlu
- Department of Biomedical Technologies, Graduate School of Natural and Applied Sciences, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey; Department of Biomedical Engineering, Faculty of Engineering and Architecture, Izmir Katip Celebi University, Çiğli, Izmir 35620, Turkey.
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9
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Mahapatra C, Kumar P, Paul MK, Kumar A. Angiogenic stimulation strategies in bone tissue regeneration. Tissue Cell 2022; 79:101908. [DOI: 10.1016/j.tice.2022.101908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/24/2022] [Accepted: 08/22/2022] [Indexed: 11/28/2022]
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Kageyama T, Akieda H, Sonoyama Y, Sato K, Yoshikawa H, Isono H, Hirota M, Kitajima H, Chun YS, Maruo S, Fukuda J. Bone Beads Enveloped with Vascular Endothelial Cells for Bone Regenerative Medicine. Acta Biomater 2022:S1742-7061(22)00520-7. [PMID: 36030051 DOI: 10.1016/j.actbio.2022.08.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 11/27/2022]
Abstract
The transplantation of pre-vascularized bone grafts is a promising strategy to improve the efficacy of engraftment and bone regeneration. We propose a hydrogel microbead-based approach for preparing vascularized and high-density tissue grafts. Mesenchymal stem cell-encapsulated collagen microgels (2 µL), termed bone beads, were prepared through spontaneous constriction, which improved the density of the mesenchymal stem cells and collagen molecules by more than 15-fold from the initial day of culture. Constriction was attributed to cell-attractive forces and involved better osteogenic differentiation of mesenchymal stem cells than that of spheroids. This approach was scalable, and ∼2,000 bone beads were prepared semi-automatically using a liquid dispenser and spinner flask. The mechanical stimuli in the spinner flask further improved the osteogenic differentiation of the mesenchymal stem cells in the bone beads compared with that in static culture. Vascular endothelial cells readily attach to and cover the surface of bone beads. The in vitro assembly of the endothelial cell-enveloped bone beads resulted in microchannel formation in the interspaces between the bone beads. Significant effects of endothelialization on in vivo bone regeneration were shown in rats with cranial bone defects. The use of endothelialized bone beads may be a scalable and robust approach for treating large bone defects. STATEMENT OF SIGNIFICANCE: A unique aspect of this study is that the hMSC-encapsulated collagen microgels were prepared through spontaneous constriction, leading to the enrichment of collagen and cell density. This constriction resulted in favorable microenvironments for the osteogenic differentiation of hMSCs, which is superior to conventional spheroid culture. The microgel beads were then enveloped with vascular endothelial cells and assembled to fabricate a tissue graft with vasculature in the interspaces among the beads. The significant effects of endothelialization on in vivo bone regeneration were clearly demonstrated in rats with cranial bone defects. We believe that microgel beads covered with vascular endothelial cells provide a promising approach for engineering better tissue grafts for bone-regenerative medicine.
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Affiliation(s)
- Tatsuto Kageyama
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, JAPAN; Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado Takatsu-ku, Kawasaki, Kanagawa, 213-0012, JAPAN
| | - Hikaru Akieda
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, JAPAN
| | - Yukie Sonoyama
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, JAPAN
| | - Ken Sato
- Department of Chemistry, Faculty of Science, Saitama University, 255 Shimo-ohkubo, Sakura-ku, Saitama City, Saitama 338-8570, JAPAN
| | - Hiroshi Yoshikawa
- Department of Chemistry, Faculty of Science, Saitama University, 255 Shimo-ohkubo, Sakura-ku, Saitama City, Saitama 338-8570, JAPAN
| | - Hitoshi Isono
- Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, 3-9 Fuku-ura, Kanazawa-ku Yokohama, Kanagawa 236-0004, JAPAN
| | - Makoto Hirota
- Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University Medical Center, 4-57 Ura-fune, Minami-ku Yokohama, Kanagawa 232-0024, JAPAN
| | - Hiroaki Kitajima
- Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University Medical Center, 4-57 Ura-fune, Minami-ku Yokohama, Kanagawa 232-0024, JAPAN
| | - Yang-Sook Chun
- Department of Physiology and Biomedical Sciences, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul, 110-799, KOREA
| | - Shoji Maruo
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, JAPAN
| | - Junji Fukuda
- Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, JAPAN; Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado Takatsu-ku, Kawasaki, Kanagawa, 213-0012, JAPAN.
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11
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Kankilic B, Bayramli E, Korkusuz P, Eroglu H, Sener B, Mutlu P, Korkusuz F. Vancomycin Containing PDLLA and PLGA/β-TCP Inhibit Biofilm Formation but Do Not Stimulate Osteogenic Transformation of Human Mesenchymal Stem Cells. Front Surg 2022; 9:885241. [PMID: 35846965 PMCID: PMC9283789 DOI: 10.3389/fsurg.2022.885241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/09/2022] [Indexed: 11/13/2022] Open
Abstract
Aims Chronic osteomyelitis, including implant-related prosthetic joint infection, is extremely difficult to cure. We develop vancomycin containing release systems from poly(d,l-lactide) (PDLLA) and poly(d,l-lactide-co-glycolide) (PLGA) composites with beta-tricalcium phosphate (β-TCP) to treat methicillin-resistant Staphylococcus aureus osteomyelitis. We ask whether vancomycin containing PDLLA/β-TCP and PLGA/β-TCP composites will prevent early biofilm formation, allow cell proliferation and osteogenic differentiation, and stimulate osteogenic signaling molecules in the absence of an osteogenic medium. Methods Composites were produced and characterized with scanning electron microscopy. In vitro vancomycin release was assessed for 6 weeks. Biofilm prevention was calculated by crystal violet staining. Human bone marrow-derived mesenchymal stem cells (hBM-MSCs) and osteosarcoma cell (SaOS-2) proliferation and differentiation were assessed with water soluble tetrazolium salt and alkaline phosphatase (ALP) staining. Real-time quantitative polymerase chain reaction defined osteogenic signaling molecules for hBM-MSCs. Results Totally, 3.1 ± 0.2 mg and 3.4 ± 0.4 mg vancomycin released from PDLLA/β-TCP and the PLGA/β-TCP composites, respectively, and inhibited early biofilm formation. hBM-MSCs and SaOS-2 cells proliferated on the composites and stimulated ALP activity of cells. Runt-related transcription factor 2 (RUNX2) and SRY-Box transcription Factor 9 (SOX9) expressions were, however, lower with composites when compared with control. Conclusion Vancomycin containing PDLLA/β-TCP and PLGA/β-TCP composites inhibited early biofilm formation and proliferated and differentiated hBM-MSCs and SaOS-2 cells, but osteogenesis-related RUNX2 and SOX9 transcription factors were not strongly expressed in the absence of an osteogenic medium for 14 days.
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Affiliation(s)
- Berna Kankilic
- Graduate School of Natural and Applied Sciences, Middle East Technical University, Ankara, Turkey
- Correspondence: Berna Kankilic
| | - Erdal Bayramli
- Department of Chemistry, Faculty of Arts and Sciences, Middle East Technical University, Ankara, Turkey
| | - Petek Korkusuz
- Department of Histology and Embryology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Hakan Eroglu
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Burcin Sener
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Pelin Mutlu
- Central Laboratory, Molecular Biology and Biotechnology R&D, Middle East Technical University, Ankara, Turkey
| | - Feza Korkusuz
- Department of Sports Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
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12
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Sun X, Jiao X, Yang X, Ma J, Wang T, Jin W, Li W, Yang H, Mao Y, Gan Y, Zhou X, Li T, Li S, Chen X, Wang J. 3D bioprinting of osteon-mimetic scaffolds with hierarchical microchannels for vascularized bone tissue regeneration. Biofabrication 2022; 14. [PMID: 35417902 DOI: 10.1088/1758-5090/ac6700] [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: 12/18/2021] [Accepted: 04/13/2022] [Indexed: 11/12/2022]
Abstract
The integration of three-dimensional (3D) bioprinted scaffold's structure and function for critical-size bone defect repair is of immense significance. Inspired by the basic component of innate cortical bone tissue--osteons, many studies focus on biomimetic strategy. However, the complexity of hierarchical microchannels in the osteon, the requirement of mechanical strength of bone, and the biological function of angiogenesis and osteogenesis remain challenges in the fabrication of osteon-mimetic scaffolds. Therefore, we successfully built mimetic scaffolds with vertically central medullary canals, peripheral Haversian canals, and transverse Volkmann canals structures simultaneously by 3D bioprinting technology using polycaprolactone and bioink loading with bone marrow mesenchymal stem cells (BMSCs) and bone morphogenetic protein-4 (BMP-4). Subsequently, endothelial progenitor cells (EPCs) were seeded into the canals to enhance angiogenesis. The porosity and compressive properties of bioprinted scaffolds could be well controlled by altering the structure and canal numbers of the scaffolds. The osteon-mimetic scaffolds showed satisfactory biocompatibility and promotion of angiogenesis and osteogenesis in vitro and prompted the new blood vessels and new bone formation in vivo. In summary, this study proposes a biomimetic strategy for fabricating structured and functionalized 3D bioprinted scaffolds for vascularized bone tissue regeneration.
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Affiliation(s)
- Xin Sun
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Xin Jiao
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Xue Yang
- College of Medicine, Southwest JiaoTong University, No. 111 2nd Ring Rd, Chengdu, 610031, CHINA
| | - Jie Ma
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Tianchang Wang
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Wenjie Jin
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Wentao Li
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Han Yang
- School of Biomedical Engineering, Shanghai Jiao Tong University, No. 1954 Huashan Road, Shanghai, 200030, CHINA
| | - Yuanqing Mao
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Yaokai Gan
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Xiaojun Zhou
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, No. 2999 North Renmin Road, Shanghai, 201620, CHINA
| | - Tao Li
- Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, No.1665 Kongjiang Road, Shanghai, 200092, CHINA
| | - Shuai Li
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
| | - Xiaodong Chen
- Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, No.1665 Kongjiang Road, Shanghai, 200092, CHINA
| | - Jinwu Wang
- Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No.639 Zhizaoju Road, Shanghai, 200001, CHINA
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13
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Zhang C, Zhang W, Zhu D, Li Z, Wang Z, Li J, Mei X, Xu W, Cheng K, Zhong B. Nanoparticles functionalized with stem cell secretome and CXCR4-overexpressing endothelial membrane for targeted osteoporosis therapy. J Nanobiotechnology 2022; 20:35. [PMID: 35033095 PMCID: PMC8760699 DOI: 10.1186/s12951-021-01231-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/28/2021] [Indexed: 01/16/2023] Open
Abstract
Background Osteoporosis is a chronic condition affecting patients’ morbidity and mortality and represents a big socioeconomic burden. Because stem cells can proliferate and differentiate into bone-forming cells, stem cell therapy for osteoporosis has been widely studied. However, cells as a live drug face multiple challenges because of their instability during preservation and transportation. In addition, cell therapy has potential adverse effects such as embolism, tumorigenicity, and immunogenicity. Results Herein, we sought to use cell-mimicking and targeted therapeutic nanoparticles to replace stem cells. We fabricated nanoparticles (NPs) using polylactic-co-glycolic acid (PLGA) loaded with the secretome (Sec) from mesenchymal stem cells (MSCs) to form MSC-Sec NPs. Furthermore, we cloaked the nanoparticles with the membranes from C–X–C chemokine receptor type 4 (CXCR4)-expressing human microvascular endothelial cells (HMECs) to generate MSC-Sec/CXCR4 NP. CXCR4 can target the nanoparticles to the bone microenvironment under osteoporosis based on the CXCR4/SDF-1 axis. Conclusions In a rat model of osteoporosis, MSC-Sec/CXCR4 NP were found to accumulate in bone, and such treatment inhibited osteoclast differentiation while promoting osteogenic proliferation. In addition, our results showed that MSC-Sec/CXCR4 NPs reduce OVX-induced bone mass attenuation in OVX rats. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01231-6.
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Affiliation(s)
- Chi Zhang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.,Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Wei Zhang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Dashuai Zhu
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Zhenhua Li
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Zhenzhen Wang
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Junlang Li
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Xuan Mei
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA
| | - Wei Xu
- Department of Orthopedics, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai, 200336, China.
| | - Ke Cheng
- Joint Department of Biomedical Engineering, The University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA.
| | - Biao Zhong
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
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14
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Li L, Li J, Zou Q, Zuo Y, Lin L, Cai B, Li Y. Lotus root and osteons-inspired channel structural scaffold mediate cell biomineralization and vascularized bone tissue regeneration. J Biomed Mater Res B Appl Biomater 2021; 110:1178-1191. [PMID: 34905286 DOI: 10.1002/jbm.b.34991] [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: 08/12/2021] [Revised: 11/19/2021] [Accepted: 12/05/2021] [Indexed: 11/05/2022]
Abstract
The interconnectivity of porous scaffold is vital for cell and tissue infiltration, and vascular networks formation, determining the successful bone regeneration in large bone defects. Here, inspired by the lotus-root and Haversian system of natural bone, a nano-hydroxyapatite/polyurethane (n-HA/PU) lotus root-like scaffold inlaid with micro holes on the wall of the adjacent channel was utilized to mediate cell biomineralization and vascularized bone tissue regeneration. Such a particular lotus-type structure remarkably promoted cells to proliferate and infiltrate into the center of the entire scaffold, serving as a clue to account for regulating cell alignment and differentiation physically. In vitro studies suggested that apatite accumulated dramatically on the channel wall in the lotus-type scaffold, probably promoting specific osteogenic differentiation of cells by the orientated channels, even in the absence of osteogenic factors. In vivo creation of critical bone defects (15-mm segments) was done in the radius of rabbits and implanted with the scaffold of different geometry to assess the structural parameters on the efficacy of new bone regeneration. The more extensive positive staining of BMP-2, more considerable amount of infiltrated capillary, more robust new bone formation, particularly the biomechanical strength of lotus-type scaffold group could reach the level of the control group without surgery, indicating that the lotus-type scaffold was more favorable for new bone tissue formation along tube-like channels. These results highlighted the potential of this biomimetic scaffold for cell and tissue infiltration and thus repair large bony defects.
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Affiliation(s)
- Limei Li
- Yunnan Key Laboratory of Stem Cell and Regenerative Medicine, Science and Technology Achievement Incubation Center, Kunming Medical University, Kunming, China
| | - Jidong Li
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Qin Zou
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Yi Zuo
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Lili Lin
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Bin Cai
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Yubao Li
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu, China
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15
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Schott NG, Stegemann JP. Coculture of Endothelial and Stromal Cells to Promote Concurrent Osteogenesis and Vasculogenesis. Tissue Eng Part A 2021; 27:1376-1386. [PMID: 33599160 PMCID: PMC8827126 DOI: 10.1089/ten.tea.2020.0330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 02/12/2021] [Indexed: 11/13/2022] Open
Abstract
A key challenge in the treatment of large bone defects is the need to provide an adequate and stable vascular supply as new tissue develops. Bone tissue engineering applies selected biomaterials and cell types to create an environment that promotes tissue formation, maturation, and remodeling. Mesenchymal stromal cells (MSCs) have been widely used in these strategies because of their established effects on bone formation, and their ability to act as stabilizing pericytes that support vascular regeneration by endothelial cells (ECs). However, the creation of vascularized bone tissue in vitro requires coupling of osteogenesis and vasculogenesis in a three-dimensional (3D) biomaterial environment. In the present study, 3D fibrin hydrogels containing MSCs and ECs were prevascularized in vitro for 7 days to create an endothelial network in the matrix, and were subsequently cultured for a further 14 days under either continued vasculogenic stimulus, a combination of vasculogenic and osteogenic (hybrid) stimulus, or only osteogenic stimulus. It was found that ECs produced robust vessel networks in 3D fibrin matrices over 7 days of culture, and these networks continued to expand over the 14-day treatment period under vasculogenic conditions. Culture in hybrid medium resulted in maintenance of vessel networks for 14 days, while osteogenic culture abrogated vessel formation. These trends were mirrored in data representing overall cell viability and cell number in the 3D fibrin constructs. MSCs were found to colocalize with EC networks under vasculogenic and hybrid conditions, suggesting pericyte-like function. The bone marker alkaline phosphatase increased over time in hybrid and osteogenic media, but mineral deposition was evident only under purely osteogenic conditions. These results suggest that hybrid media compositions can support some aspects of multiphase tissue formation, but that alternative strategies are needed to obtain robust, concomitant vascularization, and osteogenesis in engineered tissues in vitro. Impact statement The combined use of mesenchymal stromal cells (MSCs) and endothelial cells to concomitantly produce mature bone and a nourishing vasculature is a promising tissue engineering approach to treating large bone defects. However, it is challenging to create and maintain vascular networks in the presence of osteogenic cues. This study used a 3D fibrin matrix to demonstrate that prevascularization of the construct can lead to maintenance of vessel structures over time, but that osteogenesis is compromised under these conditions. This work illuminates the capacity of MSCs to serve as both supportive pericytes and as osteoprogenitor cells, and motivates new strategies for coupling osteogenesis and vasculogenesis in engineered bone tissues.
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Affiliation(s)
- Nicholas G. Schott
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Jan P. Stegemann
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
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16
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Wang X, Nie Z, Chang J, Lu ML, Kang Y. Multiple channels with interconnected pores in a bioceramic scaffold promote bone tissue formation. Sci Rep 2021; 11:20447. [PMID: 34650074 PMCID: PMC8516977 DOI: 10.1038/s41598-021-00024-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 10/01/2021] [Indexed: 11/13/2022] Open
Abstract
Insufficient nutrition exchange and limited transportation of blood supply in a porous only scaffold often hinder bone formation, even though the porous scaffold is loaded with cells or growth factors. To overcome these issues, we developed a cell- and growth factor-free approach to induce bone formation in a critical-size bone defect by using an interconnected porous beta-tricalcium phosphate (β-TCP) scaffold with multiple channels. In vitro cell experimental results showed that multiple channels significantly promoted cell attachment and proliferation of human bone marrow mesenchymal stem cells, stimulated their alkaline phosphatase activity, and up-regulated the osteogenic gene expression. Multiple channels also considerably stimulated the expression of various mechanosensing markers of the cells, such as focal adhesion kinase, filamentous actin, and Yes-associated protein-1 at both static and dynamic culturing conditions. The in vivo bone defect implantation results demonstrated more bone formation inside multiple-channeled scaffolds compared to non-channeled scaffolds. Multiple channels prominently accelerated collagen type I, bone sialoprotein and osteocalcin protein expression. Fluorochrome images and angiogenic marker CD31 staining exhibited more mineral deposition and longer vasculature structures in multiple-channeled scaffolds, compared to non-channeled scaffolds. All the findings suggested that the creation of interconnected multiple channels in the porous β-TCP scaffold is a very promising approach to promote bone tissue regeneration.
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Affiliation(s)
- Xuesong Wang
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Ziyan Nie
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Jia Chang
- Department of Periodontology, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - Michael L Lu
- Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL, 33431, USA.,Department of Biological Science, Faculty of Integrative Biology Program, College of Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Yunqing Kang
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA. .,Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL, 33431, USA. .,Department of Biological Science, Faculty of Integrative Biology Program, College of Science, Florida Atlantic University, Boca Raton, FL, 33431, USA.
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17
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Baudequin T, Naudot M, Dupont S, Testelin S, Devauchelle B, Bedoui F, Marolleau JP, Legallais C. Donor variability alters differentiation and mechanical cohesion of tissue-engineered constructs with human endothelial/MSC co-culture. Int J Artif Organs 2021; 44:868-879. [PMID: 34643146 DOI: 10.1177/03913988211051758] [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: 11/17/2022]
Abstract
To move towards clinical applications, tissue engineering (TE) should be validated with human primary cells and offer easy connection to the native vascularisation. Based on a sheet-like bone substitute developed previously, we investigated a mesenchymal stem cells/endothelial cells (MSCs/ECs) coculture to enhance pre-vascularisation. Using MSCs from six independent donors whose differentiation potential was assessed towards two lineages, we focused on donor variability and cell crosstalk regarding bone differentiation. Coculture was performed on calcium phosphate granules in a specific chamber during 1 month. MSCs were seeded first then ECs were added after 2 weeks, with respective monocultures as control groups. Cell viability and organisation (fluorescence, electronic microscopy), differentiation (ALP staining/activity, RT-qPCR) and mechanical cohesion were analysed. Adaptation of the protocol to coculture was validated (high cell viability and proliferation). Activity and differentiation showed strong trends towards synergistic effects between cell types. MSCs reached early mineralisation stage of maturation. The delayed addition of ECs allowed for their attachment on developed MSCs' matrix. The main impact of donor variability could be here the lack of cell proliferation potential with some donors, leading to low differentiation and mechanical cohesion and therefore absence of sheet-like shape successfully obtained with others. We suggest therefore adapting protocols to cell proliferation potentials from one batch of cells to the other in a patient-specific approach.
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Affiliation(s)
- Timothée Baudequin
- Université de technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de recherche Royallieu , Compiègne Cedex
| | - Marie Naudot
- Normal and Pathological Lymphocytes and Cancer, EA4666, Université de Picardie Jules Verne, Amiens, France
| | - Sébastien Dupont
- Normal and Pathological Lymphocytes and Cancer, EA4666, Université de Picardie Jules Verne, Amiens, France.,UMR 1148, Inserm-Paris7 - Denis Diderot University, Xavier Bichat Hospital, Paris, France
| | - Sylvie Testelin
- Service de Chirurgie maxillo-faciale, CHU Amiens Picardie Sud, Amiens, France
| | - Bernard Devauchelle
- Service de Chirurgie maxillo-faciale, CHU Amiens Picardie Sud, Amiens, France
| | - Fahmi Bedoui
- Université de technologie de Compiègne, CNRS, Roberval (Mechanics energy and electricity), Centre de recherche Royallieu, Compiègne Cedex
| | - Jean-Pierre Marolleau
- Normal and Pathological Lymphocytes and Cancer, EA4666, Université de Picardie Jules Verne, Amiens, France
| | - Cécile Legallais
- Université de technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de recherche Royallieu , Compiègne Cedex
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18
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Jamalpoor Z, Taromi N. Pre-vascularization of biomimetic 3-D scaffolds via direct co-culture of human umbilical cord derived osteogenic and angiogenic progenitor cells. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Li M, Wang Q, Han Q, Wu J, Zhu H, Fang Y, Bi X, Chen Y, Yao C, Wang X. Novel Molecule Nell-1 Promotes the Angiogenic Differentiation of Dental Pulp Stem Cells. Front Physiol 2021; 12:703593. [PMID: 34512380 PMCID: PMC8427597 DOI: 10.3389/fphys.2021.703593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/05/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction This work aimed to reveal the crucial role of Nell-1 in the angiogenic differentiation of human dental pulp stem cells (DPSCs) alone or co-cultured with human umbilical vein endothelial cell (HUVECs) in vitro and whether this molecule is involved in the pulp exposure model in vivo. Methods Immunofluorescence was conducted to ascertain the location of Nell-1 on DPSCs, HUVECs, and normal rat dental tissues. RT-PCR, Western blot, and ELISA were performed to observe the expression levels of angiogenic markers and determine the angiogenic differentiation of Nell-1 on DPSCs alone or co-cultured with HUVECs, as well as in vitro tube formation assay. Blood vessel number for all groups was observed and compared using immunohistochemistry by establishing a rat pulp exposure model. Results Nell-1 is highly expressed in the nucleus of DPSCs and HUVECs and is co-expressed with angiogenic markers in normal rat pulp tissues. Hence, Nell-1 can promote the angiogenic marker expression in DPSCs alone and co-cultured with other cells and can enhance angiogenesis in vitro as well as in the pulp exposure model. Conclusion Nell-1 may play a positive role in the angiogenic differentiation of DPSCs.
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Affiliation(s)
- Mengyue Li
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiang Wang
- Jinan Stomatological Hospital, Jinan, China
| | - Qi Han
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jiameng Wu
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Hongfan Zhu
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yixuan Fang
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiuting Bi
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yue Chen
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chao Yao
- Jinan Stomatological Hospital, Jinan, China
| | - Xiaoying Wang
- Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
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20
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Zhang Y, Chen H, Long X, Xu T. The effect of neural cell integrated into 3D co-axial bioprinted BMMSC structures during osteogenesis. Regen Biomater 2021; 8:rbab041. [PMID: 34350030 PMCID: PMC8329473 DOI: 10.1093/rb/rbab041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/08/2021] [Accepted: 06/23/2021] [Indexed: 11/14/2022] Open
Abstract
A three-dimensional (3D) bioprinting is a new strategy for fabricating 3D cell-laden constructs that mimic the structural and functional characteristics of various tissues and provides a similar architecture and microenvironment of the native tissue. However, there are few reported studies on the neural function properties of bioengineered bone autografts. Thus, this study was aimed at investigating the effects of neural cell integration into 3D bioprinted bone constructs. The bioprinted hydrogel constructs could maintain long-term cell survival, support cell growth for human bone marrow-derived mesenchymal stem cells (BMMSCs), reduce cell surface biomarkers of stemness, and enhance orthopedic differentiation with higher expression of osteogenesis-related genes, including osteopontin (OPN) and bone morphogenetic protein-2. More importantly, the bioprinted constructs with neural cell integration indicated higher OPN gene and secretory alkaline phosphatase levels. These results suggested that the innervation in bioprinted bone constructs can accelerate the differentiation and maturation of bone development and provide patients with an option for accelerated bone function restoration.
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Affiliation(s)
- Yi Zhang
- Precision Medicine and Healthcare Research Center, Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, People's Republic of China
| | - Haiyan Chen
- Precision Medicine and Healthcare Research Center, Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, People's Republic of China
| | - Xiaoyan Long
- East China Institute of Digital Medical Engineering, Shangrao 334000, People's Republic of China
| | - Tao Xu
- Precision Medicine and Healthcare Research Center, Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, Shenzhen 518055, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China
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21
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Onak Pulat G, Gökmen O, Çevik ZBY, Karaman O. Role of functionalized self-assembled peptide hydrogels in in vitro vasculogenesis. SOFT MATTER 2021; 17:6616-6626. [PMID: 34143171 DOI: 10.1039/d1sm00680k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fabrication of vascularized tissue constructs plays an integral role in creating clinically relevant tissues. Scaffold materials should be sufficiently vascularized to mimic functional and complex native tissues. Herein, we report the development of bioactive and biomimetic self-assembled peptide (SAP) hydrogels that allow the rapid formation of a vascular structure in vitro. The KLDLKLDLKLDL (KLD peptide) SAP was functionalized with laminin derived peptides IKVAV (V1) and YIGSR (V2) through direct coupling to mimic the natural extracellular matrix (ECM) and human umbilical endothelial cells (HUVECs) and mesenchymal stem cells (MSCs) cultured in 0.5% and 1% SAP hydrogels organized into vascularized structures. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) images proved the molecular integration of the nanofibrous structure in SAP hydrogels. The stability of SAP hydrogels was confirmed by rheological and degradation measurements. Bioactive peptide scaffolds enhanced significantly HUVEC/hMSC proliferation depicted by MTT analysis compared to KLD. Furthermore, the real time quantitative polymerase chain reaction (rt-PCR) was performed to analyse vascular gene expressions such as platelet/endothelial cell adhesion molecule-1 (PECAM-1), von Willebrand factor (vWF), and vascular endothelial cadherin (VE-cadherin). The results indicated that the KLD-V2 hydrogel significantly induced vasculogenesis in hMSC/HUVEC co-culture compared to KLD-V1, Biogelx and KLD because YIGSR in KLD-V2 promoted cell population and ECM secretion by the interaction with cells and increased vasculogenesis. Overall, the designed SAP hydrogel represents an effective scaffold for vascularization of tissue constructs with useful tissue engineering applications.
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Affiliation(s)
- Günnur Onak Pulat
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, 35620, Turkey.
| | - Oğuzhan Gökmen
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, 35620, Turkey.
| | - Ziyşan Buse Yaralı Çevik
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, 35620, Turkey.
| | - Ozan Karaman
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, 35620, Turkey. and Bonegraft Biomaterials Co., Ege University Technopolis, 35100, Bornova, İzmir, Turkey
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22
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Schott NG, Friend NE, Stegemann JP. Coupling Osteogenesis and Vasculogenesis in Engineered Orthopedic Tissues. TISSUE ENGINEERING. PART B, REVIEWS 2021; 27:199-214. [PMID: 32854589 PMCID: PMC8349721 DOI: 10.1089/ten.teb.2020.0132] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/25/2020] [Indexed: 12/20/2022]
Abstract
Inadequate vascularization of engineered tissue constructs is a main challenge in developing a clinically impactful therapy for large, complex, and recalcitrant bone defects. It is well established that bone and blood vessels form concomitantly during development, as well as during repair after injury. Endothelial cells (ECs) and mesenchymal stromal cells (MSCs) are known to be key players in orthopedic tissue regeneration and vascularization, and these cell types have been used widely in tissue engineering strategies to create vascularized bone. Coculture studies have demonstrated that there is crosstalk between ECs and MSCs that can lead to synergistic effects on tissue regeneration. At the same time, the complexity in fabricating, culturing, and characterizing engineered tissue constructs containing multiple cell types presents a challenge in creating multifunctional tissues. In particular, the timing, spatial distribution, and cell phenotypes that are most conducive to promoting concurrent bone and vessel formation are not well understood. This review describes the processes of bone and vascular development, and how these have been harnessed in tissue engineering strategies to create vascularized bone. There is an emphasis on interactions between ECs and MSCs, and the culture systems that can be used to understand and control these interactions within a single engineered construct. Developmental engineering strategies to mimic endochondral ossification are discussed as a means of generating vascularized orthopedic tissues. The field of tissue engineering has made impressive progress in creating tissue replacements. However, the development of larger, more complex, and multifunctional engineered orthopedic tissues will require a better understanding of how osteogenesis and vasculogenesis are coupled in tissue regeneration. Impact statement Vascularization of large engineered tissue volumes remains a challenge in developing new and more biologically functional bone grafts. A better understanding of how blood vessels develop during bone formation and regeneration is needed. This knowledge can then be applied to develop new strategies for promoting both osteogenesis and vasculogenesis during the creation of engineered orthopedic tissues. This article summarizes the processes of bone and blood vessel development, with a focus on how endothelial cells and mesenchymal stromal cells interact to form vascularized bone both during development and growth, as well as tissue healing. It is meant as a resource for tissue engineers who are interested in creating vascularized tissue, and in particular to those developing cell-based therapies for large, complex, and recalcitrant bone defects.
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Affiliation(s)
- Nicholas G. Schott
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Nicole E. Friend
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Jan P. Stegemann
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
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23
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Ma F, Zhang Y, Hu L, Peng Y, Deng Y, He W, Ge Y, Tang B. Strontium Laminarin polysaccharide modulates osteogenesis-angiogenesis for bone regeneration. Int J Biol Macromol 2021; 181:452-461. [PMID: 33775764 DOI: 10.1016/j.ijbiomac.2021.03.136] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/04/2021] [Accepted: 03/23/2021] [Indexed: 12/30/2022]
Abstract
Bone regeneration and repair has become one of the major clinical challenges worldwide and it involves multiple processes including inflammation, angiogenesis and osteogenesis. In this study, we synthesized strontium Laminarin polysaccharide (LP-Sr), a novel polysaccharide-metal complex that should have therapeutic effects on modulating osteogenesis and angiogenesis. The structure and composition of the as-fabricated LP-Sr were analyzed by EDS, XRD, FITR, 1H NMR, HPLC, etc. The results indicate that we successfully synthesized this novel polysaccharide complex. Moreover, we evaluated the biomedical potential of this complex in promoting osteogenesis and angiogenesis by cell proliferation assay, ALP staining, immunofluorescent staining of CD31 and reverse transcription polymerase chain reaction (RT-PCR). The biological experiment results show that LP-Sr can effectively promote proliferation and increase the expression of VEGF and EGFL6 in HUVECs and significantly up-regulate the expression of Col1α1 and OCN in MC3T3-E1. Besides, it is suggested that LP-Sr has positive effects on the suppression of pro-inflammatory factor IL6 in both HUVECs and MC3T3-E1. Moreover, the osteogenic and angiogenic markers, i.e. alkaline phosphatase (ALP) and CD31, exhibited high expression in LP-Sr group. Hence, we believe that LP-Sr should be a promising and novel polysaccharide complex in modulating osteogenesis-angiogenesis for bone regeneration.
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Affiliation(s)
- Fenbo Ma
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Yuanjun Zhang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Liqiu Hu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Ying Peng
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Yuqing Deng
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Wenqi He
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Yongmei Ge
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Bin Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China; Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, PR China; Shenzhen Key Laboratory of Cell Microenvironment, PR China.
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24
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Asadi M, Khalili M, Lotfi H, Vaghefi Moghaddam S, Zarghami N, André H, Alizadeh E. Liver bioengineering: Recent trends/advances in decellularization and cell sheet technologies towards translation into the clinic. Life Sci 2021; 276:119373. [PMID: 33744324 DOI: 10.1016/j.lfs.2021.119373] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/03/2021] [Accepted: 03/08/2021] [Indexed: 02/07/2023]
Abstract
Development of novel technologies provides the best tissue constructs engineering and maximizes their therapeutic effects in regenerative therapy, especially for liver dysfunctions. Among the currently investigated approaches of tissue engineering, scaffold-based and scaffold-free tissues are widely suggested for liver regeneration. Analogs of liver acellular extracellular matrix (ECM) are utilized in native scaffolds to increase the self-repair and healing ability of organs. Native ECM analog could improve liver repairing through providing the supportive framework for cells and signaling molecules, exerting normal biomechanical, biochemical, and physiological signal complexes. Recently, innovative cell sheet technology is introduced as an alternative for conventional tissue engineering with the advantage of fewer scaffold restrictions and cell culture on a Thermo-Responsive Polymer Surface. These sheets release the layered cells through a temperature-controlled procedure without enzymatic digestion, while preserving the cell-ECM contacts and adhesive molecules on cell-cell junctions. In addition, several novelties have been introduced into the cell sheet and decellularization technologies to aid cell growth, instruct differentiation/angiogenesis, and promote cell migration. In this review, recent trends, advancements, and issues linked to translation into clinical practice are dissected and compared regarding the decellularization and cell sheet technologies for liver tissue engineering.
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Affiliation(s)
- Maryam Asadi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Khalili
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajie Lotfi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Physiology, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Nosratollah Zarghami
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Helder André
- Department of Clinical Neuroscience, St. Erik Eye Hospital, Karolinska Institute, 11282 Stockholm, Sweden
| | - Effat Alizadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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25
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Duan R, Zhang Y, van Dijk L, Barbieri D, van den Beucken J, Yuan H, de Bruijn J. Coupling between macrophage phenotype, angiogenesis and bone formation by calcium phosphates. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111948. [PMID: 33641931 DOI: 10.1016/j.msec.2021.111948] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/21/2021] [Accepted: 02/02/2021] [Indexed: 12/23/2022]
Abstract
The ability of calcium phosphate (CaP) materials to induce bone formation varies with their physicochemical properties, with surface topography as one of the most crucial triggers. In view of the natural wound healing processes (e.g., inflammation, angiogenesis, tissue formation and remodeling) initiated after surgical implantation, we here comparatively investigated the biological cascades occurring upon ectopic implantation of a tricalcium phosphate with submicron surface topography (TCP-S, osteoinductive) and a tricalcium phosphate with micron-scale topography (TCP-B, non-osteoinductive). In vitro, TCP-S facilitated M2 polarization of macrophages derived from a human leukemic cell line (THP-1) as shown by the enhanced secretion of TGF-β and CCL18. Interestingly, the conditioned media of polarized M2 macrophages on TCP-S enhanced tube formation by human umbilical vein endothelial cells (HUVECs), while had no influence on the osteogenic differentiation of human bone marrow stromal cells (HBMSCs). Following an intramuscular implantation in canines, TCP-S locally increased typical M2 macrophage markers (e.g., IL-10) at week 1 to 3 and enhanced blood vessel formation after week 3 as compared to TCP-B. Bone formation was observed histologically in TCP-S 6 weeks after implantation, and bone formation was inhibited when an angiogenesis inhibitor (KRN633) was loaded onto TCP-S. No bone formation was observed for TCP-B. The data presented herein suggest strong links between macrophage polarization, angiogenesis and CaP-induced bone formation. STATEMENT OF SIGNIFICANCE: The ability of calcium phosphate (CaP) materials to induce bone formation varies with their physicochemical properties, and the key physicochemical properties relevant to CaP-induced bone formation have been outlined in the last two decades. However, the biological mechanism underlying this material-driven osteoinduction remains largely unknown. This manuscript presented demonstrates strong links between surface topography, macrophage polarization, angiogenesis and bone formation in CaP materials implanted in non-osseous sites. The finding may provide new clues for further exploring the possible mechanism underlying osteoinduction by CaP materials.
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Affiliation(s)
- Rongquan Duan
- Biomaterial Science and Technology, University of Twente, the Netherlands; School of Stomatology, Xuzhou Medical University, China; Kuros Biosciences BV, the Netherlands
| | - Yang Zhang
- Regenerative Biomaterials, Radboudumc, Nijmegen, the Netherlands
| | - Luuk van Dijk
- Biomaterial Science and Technology, University of Twente, the Netherlands; Department of Oral and Maxillofacial Surgery, University Medical Center Utrecht, the Netherlands
| | - Davide Barbieri
- Biomaterial Science and Technology, University of Twente, the Netherlands; Kuros Biosciences BV, the Netherlands
| | | | - Huipin Yuan
- Kuros Biosciences BV, the Netherlands; Complex Tissue Regeneration, Maastricht University, the Netherlands
| | - Joost de Bruijn
- Biomaterial Science and Technology, University of Twente, the Netherlands; Kuros Biosciences BV, the Netherlands; School of Engineering & Materials Science, Queen Mary University of London, UK.
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26
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Bellani C, Yue K, Flaig F, Hébraud A, Ray P, Annabi N, Selistre de Araújo HS, Branciforti MC, Minarelli Gaspar AM, Shin SR, Khademhosseini A, Schlatter G. Suturable elastomeric tubular grafts with patterned porosity for rapid vascularization of 3D constructs. Biofabrication 2021; 13. [PMID: 33482658 DOI: 10.1088/1758-5090/abdf1d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/22/2021] [Indexed: 12/11/2022]
Abstract
Vascularization is considered to be one of the key challenges in engineering functional 3D tissues. Engineering suturable vascular grafts containing pores with diameter of several tens of microns in tissue engineered constructs may provide an instantaneous blood perfusion through the grafts improving cell infiltration and thus, allowing rapid vascularization and vascular branching. The aim of this work was to develop suturable tubular scaffolds to be integrated in biofabricated constructs, enabling the direct connection of the biofabricated construct with the host blood stream, providing an immediate blood flow inside the construct. Here, tubular grafts with customizable shapes (tubes, Y-shape capillaries) and controlled diameter ranging from several hundreds of microns to few mm are fabricated based on poly(glycerol sebacate) (PGS) / poly(vinyl alcohol) (PVA) electrospun scaffolds. Furthermore, a network of pore channels of diameter in the order of 100 µm was machined by laser femtosecond ablation in the tube wall. Both non-machined and laser machined tubular scaffolds elongated more than 100% of their original size have shown suture retention, being 5.85 and 3.96 N/mm2 respectively. To demonstrate the potential of application, the laser machined porous grafts were embedded in gelatin methacryloyl (GelMA) hydrogels, resulting in elastomeric porous tubular graft/GelMA 3D constructs. These constructs were then co-seeded with osteoblast-like cells (MG-63) at the external side of the graft and endothelial cells (HUVEC) inside, forming a bone osteon model. The laser machined pore network allowed an immediate endothelial cell flow towards the osteoblasts enabling the osteoblasts and endothelial cells to interact and form 3D structures. This rapid vascularization approach could be applied, not only for bone tissue regeneration, but also for a variety of tissues and organs.
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Affiliation(s)
- Caroline Bellani
- University of Sao Paulo, AVENIDA TRABALHADOR SÃO-CARLENSE, 400, Sao Carlos, São Paulo, 13566-590, BRAZIL
| | - Kan Yue
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, 381 Wushan Rd, Guangzhou, Guangdong, 510641, CHINA
| | - Florence Flaig
- ICPEES, University of Strasbourg, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
| | - Anne Hébraud
- ICPEES, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
| | - Pengfei Ray
- Division of Health Sciences and Technology, MIT, 45 Carleton Street, Cambridge, Massachusetts, 02142, UNITED STATES
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, UCLA, 5531 Boelter Hall, Los Angeles, California, CA 90095, UNITED STATES
| | | | - Marcia Cristina Branciforti
- Depatament of Materials Engineering, University of Sao Paulo, AVENIDA TRABALHADOR SÃO-CARLENSE, 400, ARNOLD SCHMITED, SAO CARLOS, Sao Paulo, SAO PAULO, 13566-590, BRAZIL
| | - Ana Maria Minarelli Gaspar
- Department of Morphology, School of Dentistry at Araraquara, Sao Paulo State University Julio de Mesquita Filho, R. Humaitá, 1680, Araraquara, SP, 14801-385, BRAZIL
| | - Su Ryon Shin
- Medicine, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, MA 02115, UNITED STATES
| | - Ali Khademhosseini
- Department of Chemical and Biomolecular Engineering, UCLA, 5531 Boelter Hall, Los Angeles, California, CA 90095, UNITED STATES
| | - Guy Schlatter
- ICPEES, University of Strasbourg, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
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27
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Siller IG, Epping NM, Lavrentieva A, Scheper T, Bahnemann J. Customizable 3D-Printed (Co-)Cultivation Systems for In Vitro Study of Angiogenesis. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4290. [PMID: 32992945 PMCID: PMC7579111 DOI: 10.3390/ma13194290] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 12/30/2022]
Abstract
Due to the ever-increasing resolution of 3D printing technology, additive manufacturing is now even used to produce complex devices for laboratory applications. Personalized experimental devices or entire cultivation systems of almost unlimited complexity can potentially be manufactured within hours from start to finish-an enormous potential for experimental parallelization in a highly controllable environment. This study presents customized 3D-printed co-cultivation systems, which qualify for angiogenesis studies. In these systems, endothelial and mesenchymal stem cells (AD-MSC) were indirectly co-cultivated-that is, both cell types were physically separated through a rigid, 3D-printed barrier in the middle, while still sharing the same cell culture medium that allows for the exchange of signalling molecules. Biochemical-based cytotoxicity assays initially confirmed that the 3D printing material does not exert any negative effects on cells. Since the material also enables phase contrast and fluorescence microscopy, the behaviour of cells could be observed over the entire cultivation via both. Microscopic observations and subsequent quantitative analysis revealed that endothelial cells form tubular-like structures as angiogenic feature when indirectly co-cultured alongside AD-MSCs in the 3D-printed co-cultivation system. In addition, further 3D-printed devices are also introduced that address different issues and aspire to help in varying experimental setups. Our results mark an important step forward for the integration of customized 3D-printed systems as self-contained test systems or equipment in biomedical applications.
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Affiliation(s)
| | | | | | | | - Janina Bahnemann
- Institute of Technical Chemistry, Leibniz University Hannover, Callinstraße 5, 30167 Hannover, Germany; (I.G.S.); (N.-M.E.); (A.L.); (T.S.)
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28
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Godoy-Gallardo M, Portolés-Gil N, López-Periago AM, Domingo C, Hosta-Rigau L. Immobilization of BMP-2 and VEGF within Multilayered Polydopamine-Coated Scaffolds and the Resulting Osteogenic and Angiogenic Synergy of Co-Cultured Human Mesenchymal Stem Cells and Human Endothelial Progenitor Cells. Int J Mol Sci 2020; 21:E6418. [PMID: 32899269 PMCID: PMC7503899 DOI: 10.3390/ijms21176418] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 08/31/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022] Open
Abstract
We have previously reported the fabrication of a polycaprolactone and hydroxyapatite composite scaffold incorporating growth factors to be used for bone regeneration. Two growth factors were incorporated employing a multilayered coating based on polydopamine (PDA). In particular, Bone morphogenetic protein-2 (BMP-2) was bound onto the inner PDA layer while vascular endothelial growth factor (VEGF) was immobilized onto the outer one. Herein, the in vitro release of both growth factors is evaluated. A fastest VEGF delivery followed by a slow and more sustained release of BMP-2 was demonstrated, thus fitting the needs for bone tissue engineering applications. Due to the relevance of the crosstalk between bone-promoting and vessel-forming cells during bone healing, the functionalized scaffolds are further assessed on a co-culture setup of human mesenchymal stem cells and human endothelial progenitor cells. Osteogenic and angiogenic gene expression analysis indicates a synergistic effect between the growth factor-loaded scaffolds and the co-culture conditions. Taken together, these results indicate that the developed scaffolds hold great potential as an efficient platform for bone-tissue applications.
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Affiliation(s)
- Maria Godoy-Gallardo
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, Produktionstorvet, Building 423, 2800 Kgs. Lyngby, Denmark;
| | - Núria Portolés-Gil
- Materials Science Institute of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain; (N.P.-G.); (A.M.L.-P.); (C.D.)
| | - Ana M. López-Periago
- Materials Science Institute of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain; (N.P.-G.); (A.M.L.-P.); (C.D.)
| | - Concepción Domingo
- Materials Science Institute of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain; (N.P.-G.); (A.M.L.-P.); (C.D.)
| | - Leticia Hosta-Rigau
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, Produktionstorvet, Building 423, 2800 Kgs. Lyngby, Denmark;
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29
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Onak G, Gökmen O, Yaralı ZB, Karaman O. Enhanced osteogenesis of human mesenchymal stem cells by self-assembled peptide hydrogel functionalized with glutamic acid templated peptides. J Tissue Eng Regen Med 2020; 14:1236-1249. [PMID: 32615018 DOI: 10.1002/term.3095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/27/2020] [Accepted: 06/29/2020] [Indexed: 12/22/2022]
Abstract
Self-assembling peptide (SAP) hydrogel has been shown to be an excellent biological material for three-dimensional cell culture and stimulatie cell migration and differentiation into the scaffold, as well as for repairing bone tissue defects. Herein, we designed one of the SAP scaffolds KLD (KLDLKLDLKLDL) through direct coupling to short bioactive motif O1 (EEGGC) and O2 (EEEEE) of which bioactivity on osteogenic differentiation was previously demonstrated and self-assembled in different concentrations (0.5%, 1%, and 2%). Our aim was to enhance osteogenesis and biomineralization of injectable SAP hydrogels with controlled mechanical properties so that the peptide hydrogel also becomes capable of being injected to bone defects. The molecular integration of the nanofibrous peptide scaffolds was observed using atomic force microscopy (AFM) and scanning electron microscopy (SEM). The rheological properties and degradation profile of SAP hydrogels were evaluated to ensure stability of SAPs. Compared with pure KLD scaffold, we found that these designed bioactive peptide scaffolds significantly promoted hMSCs proliferation depicted by biochemical analysis of alkaline phosphatase (ALP) activity, total calcium deposition. Moreover, key osteogenic markers of ALP activity, collagen type I (COL-1), osteopontin (OP), and osteocalcin (OCN) expression levels determined by real-time polymerase chain reaction (PCR) and immunofluorescence analysis were also significantly increased with the addition of glutamic acid residues to KLD. We demonstrated that the designed SAP scaffolds promoted the proliferation and osteogenic differentiation of hMSCs. Our results suggest that these designed bioactive peptide scaffolds may be useful for promoting bone tissue regeneration.
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Affiliation(s)
- Günnur Onak
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, Turkey
| | - Oğuzhan Gökmen
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, Turkey
| | - Ziyşan Buse Yaralı
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, Turkey
| | - Ozan Karaman
- Tissue Engineering and Regenerative Medicine Laboratory, Department of Biomedical Engineering, İzmir Katip Çelebi University, İzmir, Turkey.,Bonegraft Biomaterials Co., Ege University Technopolis, İzmir, Turkey
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30
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Song A, Hua Y. Cystathionine γ-lyase-H 2S facilitates mandibular defect healing via inducing osteogenic differentiation of bone marrow mesenchymal stem cells. Arch Oral Biol 2020; 117:104821. [PMID: 32593877 DOI: 10.1016/j.archoralbio.2020.104821] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To investigate the effects of endogenous hydrogen sulfide (H2S) synthase, cystathionine-γ-lyase (CSE), on the healing of mandibular defect and the osteogenic differentiation of human mandibular bone marrow mesenchymal stem cells (HM-BMMSCs). METHODS Sixty 8-week male C57BL/6 wild-type (WT) mice and CSE knockout (CSE-/-) mice were divided into WT group, CSE-/- group and CSE-/- + GYY4137 (a slow-releasing H2S donor) group. Mandibular defect healing in each group was identified by micro-CT. The histological staining and immunohistochemical staining were adopted to evaluate bone regeneration and reconstruction of mandibular defect. HM-BMMSCs were extracted and cultured for osteogenic induction, which were divided into control group, PAG (a CSE inhibitor) group, GYY4137 group and PAG + GYY4137 group. The mineralization of HM-BMMSCs in each group was determined by alkaline phosphatase (ALP) staining and alizarin red staining. Moreover, mRNA expressions of ALP and Runt-related transcription factor 2 (RUNX2) were detected by RT-PCR. RESULTS Mandibular defect healing in CSE-/- mice was undesirable. When exogenous H2S were supplemented to CSE-/- mice, the new bone mass increased with higher degrees of bone mineralization and bone maturity. Bone mineral density (BMD), bone volume fraction (BV/TV) and bone trabecular thickness (Tb.Th) also significantly increased. in vitro experiments showed that PAG attenuated ALP activity and mineralized nodule formation ability in HM-BMMSCs, and repressed mRNA expressions of ALP and RUNX2. All these osteogenic indexes of HM-BMMSCs were reversed after exogenous H2S was supplemented. CONCLUSION It is demonstrated that CSE deficiency thwarts the healing of mandibular defect. Blocking the synthesis of H2S inhibits the osteogenic differentiation of HM-BMMSCs, thereby affects bone healing.
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Affiliation(s)
- Aohong Song
- Department of Orthodontics, School of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, 399 Middle Yanchang Road, Shanghai, 200072, China
| | - Yongmei Hua
- Department of Orthodontics, School of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, 399 Middle Yanchang Road, Shanghai, 200072, China.
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Minguella-Canela J, Calero JA, Korkusuz F, Korkusuz P, Kankılıç B, Bilgiç E, De los Santos-López MA. Biological Responses of Ceramic Bone Spacers Produced by Green Processing of Additively Manufactured Thin Meshes. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2497. [PMID: 32486136 PMCID: PMC7321431 DOI: 10.3390/ma13112497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 05/29/2020] [Accepted: 05/29/2020] [Indexed: 11/21/2022]
Abstract
Bone spacers are exclusively used for replacing the tissue after trauma and/or diseases. Ceramic materials bring positive opportunities to enhance greater osteointegration and performance of implants, yet processing of porous geometries can be challenging. Additive Manufacturing (AM) opens opportunities to grade porosity levels in a part; however, its productivity may be low due to its batch processing approach. The paper studies the biological responses yielded by hydroxyapatite with β-TCP (tricalcium phosphate) ceramic porous bone spacers manufactured by robocasting 2-layer meshes that are rolled in green and sintered. The implants are assessed in vitro and in vivo for their compatibility. Human bone marrow mesenchymal stem cells attached, proliferated and differentiated on the bone spacers produced. Cells on the spacers presented alkaline phosphatase staining, confirming osteogenic differentiation. They also expressed bone-specific COL1A1, BGAP, BSP, and SPP1 genes. The fold change of these genes ranged between 8 to 16 folds compared to controls. When implanted into the subcutaneous tissue of rabbits, they triggered collagen fibre formation and mild fibroblastic proliferation. In conclusion, rolled AM-meshes bone spacers stimulated bone formation in vitro and were biocompatible in vivo. This technology may give the advantage to custom produce spacers at high production rates if industrially upscaled.
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Affiliation(s)
- Joaquim Minguella-Canela
- Centre CIM, Departament d’Enginyeria Mecànica, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain;
| | - Jose Antonio Calero
- AMES PM Tech Center, Camí de Can Ubach, 8. Pol. Ind. “Les Fallulles”, 08620 Sant Vicenç dels Horts, Spain;
| | - Feza Korkusuz
- Department of Sports Medicine, Medical Faculty, Hacettepe University, Sihhiye, Ankara 06100, Turkey;
| | - Petek Korkusuz
- Department of Histology and Embryology, Medical Faculty, Hacettepe University, Sihhiye, Ankara 06100, Turkey; (P.K.); (E.B.)
| | - Berna Kankılıç
- Department of Biotechnology, Graduate School of Natural and Applied Sciences, Middle East Technical University, Cankaya, Ankara 06800, Turkey;
| | - Elif Bilgiç
- Department of Histology and Embryology, Medical Faculty, Hacettepe University, Sihhiye, Ankara 06100, Turkey; (P.K.); (E.B.)
| | - M. Antonia De los Santos-López
- Centre CIM, Departament d’Enginyeria Mecànica, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain;
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Vuornos K, Huhtala H, Kääriäinen M, Kuismanen K, Hupa L, Kellomäki M, Miettinen S. Bioactive glass ions for
in vitro
osteogenesis and microvascularization in gellan gum‐collagen hydrogels. J Biomed Mater Res B Appl Biomater 2020; 108:1332-1342. [DOI: 10.1002/jbm.b.34482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/31/2019] [Accepted: 08/17/2019] [Indexed: 01/12/2023]
Affiliation(s)
- Kaisa Vuornos
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
- Research, Development and Innovation CentreTampere University Hospital Tampere Finland
| | - Heini Huhtala
- Faculty of Social SciencesTampere University Tampere Finland
| | - Minna Kääriäinen
- Department of Plastic and Reconstructive SurgeryTampere University Hospital Tampere Finland
| | - Kirsi Kuismanen
- Department of Obstetrics and GynecologyTampere University Hospital Tampere Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centreåbo Akademi University åbo Finland
| | - Minna Kellomäki
- Biomaterials and Tissue Engineering Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
- Research, Development and Innovation CentreTampere University Hospital Tampere Finland
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33
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Nie Z, Wang X, Ren L, Kang Y. Development of a decellularized porcine bone matrix for potential applications in bone tissue regeneration. Regen Med 2020; 15:1519-1534. [DOI: 10.2217/rme-2019-0125] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Aim: The objectives of this study were to develop a new decellularized bone matrix (DBM) and to investigate its effect on the in vitro cell behavior of human bone marrow-derived mesenchymal stem cells (hMSCs), compared with porous β-tricalcium phosphate (β-TCP) scaffolds. Materials & methods: Triton X-100 and deoxycholate sodium solution, combining DNase I and RNase, were used to decellularize porcine bones. The DBM were then characterized by DNA contents and matrix components. hMSCs were then seeded on the DBM and β-TCP scaffolds to study cell behavior. Results: Results showed that most porcine cells were removed and the matrix components of the DBM were maintained. Cell culture results showed that DBM promoted cell attachment and proliferation of hMSCs but did not significantly promote the gene expression of osteogenic genes, compared with β-TCP scaffolds. Conclusion: DBM has similar function on cell behavior to β-TCP scaffolds that have promising potential in bone tissue regeneration.
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Affiliation(s)
- Ziyan Nie
- School of Stomatology, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Xuesong Wang
- Department of Ocean & Mechanical Engineering, College of Engineering & Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Liling Ren
- School of Stomatology, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Yunqing Kang
- Department of Ocean & Mechanical Engineering, College of Engineering & Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA
- Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
- Integrative Biology Program, Department of Biological Science, College of Science, Florida Atlantic University, Boca Raton, FL 33431, USA
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Shahabipour F, Oskuee RK, Dehghani H, Shokrgozar MA, Aninwene GE, Bonakdar S. Cell-cell interaction in a coculture system consisting of CRISPR/Cas9 mediated GFP knock-in HUVECs and MG-63 cells in alginate-GelMA based nanocomposites hydrogel as a 3D scaffold. J Biomed Mater Res A 2020; 108:1596-1606. [PMID: 32180319 DOI: 10.1002/jbm.a.36928] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 12/12/2022]
Abstract
The interaction between osteogenic and angiogenic cells through a coculturing system in biocompatible materials has been considered for successfully engineering vascularized bone tissue equivalents. In this study, we developed a hydrogel-blended scaffold consisted of gelatin methacryloyl (GelMA) and alginate enriched with hydroxyapatite nanoparticles (HAP) to model an in vitro prevascularized bone construct. The hydrogel-based scaffold revealed a higher mechanical stiffness than those of pure (GelMA), alginate, and (GelMA+ HAP) hydrogels. In the present study, we generated a green fluorescent protein (GFP) knock-in umbilical vein endothelial cells (HUVECs) cell line using the CRISPR/Cas9 technology. The GFP was inserted into the human-like ROSA locus of HUVECs genome. HUVECs expressing GFP were cocultured with OB-like cells (MG-63) within three-dimensionally (3D) fabricated hydrogel to investigate the response of cocultured osteoblasts and endothelial cells in a 3D structure. Cell viability under the 3D cocultured gel was higher than the 3D monocultured. Compared to the 3D monocultured condition, the cells were aligned and developed into the vessel-like structures. During 14 days of culture periods, the cells displayed actin protrusions by the formation of spike-like filopodia in the 3D cocultured model. Angiogenic and osteogenic-related genes such as CD31, vWF, and osteocalcin showed higher expression in the cocultured versus the monocultured. These results have collectively indicated that the 3D cocultured hydrogel facilitates interaction among cells, thereby having a greater effect on angiogenic and osteogenic properties in the absence of induction media.
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Affiliation(s)
| | - Reza K Oskuee
- Targeted Drug Delivery Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hesam Dehghani
- Division of Biotechnology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.,Department of Basic Science, Faculty of Veterinary medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - George E Aninwene
- Department of Bioengineering, University of California-Los Angeles, Los Angeles, California, USA.,Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, California, USA
| | - Shahin Bonakdar
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
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Leucht A, Volz AC, Rogal J, Borchers K, Kluger PJ. Advanced gelatin-based vascularization bioinks for extrusion-based bioprinting of vascularized bone equivalents. Sci Rep 2020; 10:5330. [PMID: 32210309 PMCID: PMC7093518 DOI: 10.1038/s41598-020-62166-w] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 02/27/2020] [Indexed: 12/19/2022] Open
Abstract
Bone tissue is highly vascularized. The crosstalk of vascular and osteogenic cells is not only responsible for the formation of the strongly divergent tissue types but also for their physiological maintenance and repair. Extrusion-based bioprinting presents a promising fabrication method for bone replacement. It allows for the production of large-volume constructs, which can be tailored to individual tissue defect geometries. In this study, we used the all-gelatin-based toolbox of methacryl-modified gelatin (GM), non-modified gelatin (G) and acetylated GM (GMA) to tailor both the properties of the bioink towards improved printability, and the properties of the crosslinked hydrogel towards enhanced support of vascular network formation by simple blending. The vasculogenic behavior of human dermal microvascular endothelial cells (HDMECs) and human adipose-derived stem cells (ASCs) was evaluated in the different hydrogel formulations for 14 days. Co-culture constructs including a vascular component and an osteogenic component (i.e. a bone bioink based on GM, hydroxyapatite and ASCs) were fabricated via extrusion-based bioprinting. Bioprinted co-culture constructs exhibited functional tissue-specific cells whose interplay positively affected the formation and maintenance of vascular-like structures. The setup further enabled the deposition of bone matrix associated proteins like collagen type I, fibronectin and alkaline phosphatase within the 30-day culture.
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Affiliation(s)
- A Leucht
- Institute of Interfacial Process Engineering and Plasmatechnology IGVP, University of Stuttgart, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, Germany
| | - A-C Volz
- Reutlingen Research Institute, Reutlingen University, Reutlingen, Germany
| | - J Rogal
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, Germany
- RWTH Aachen University, Aachen, Germany
| | - K Borchers
- Institute of Interfacial Process Engineering and Plasmatechnology IGVP, University of Stuttgart, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, Germany
| | - P J Kluger
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, Germany.
- Reutlingen Research Institute, Reutlingen University, Reutlingen, Germany.
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36
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Zhang M, Lin R, Wang X, Xue J, Deng C, Feng C, Zhuang H, Ma J, Qin C, Wan L, Chang J, Wu C. 3D printing of Haversian bone-mimicking scaffolds for multicellular delivery in bone regeneration. SCIENCE ADVANCES 2020; 6:eaaz6725. [PMID: 32219170 PMCID: PMC7083611 DOI: 10.1126/sciadv.aaz6725] [Citation(s) in RCA: 138] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 12/23/2019] [Indexed: 05/21/2023]
Abstract
The integration of structure and function for tissue engineering scaffolds is of great importance in mimicking native bone tissue. However, the complexity of hierarchical structures, the requirement for mechanical properties, and the diversity of bone resident cells are the major challenges in constructing biomimetic bone tissue engineering scaffolds. Herein, a Haversian bone-mimicking scaffold with integrated hierarchical Haversian bone structure was successfully prepared via digital laser processing (DLP)-based 3D printing. The compressive strength and porosity of scaffolds could be well controlled by altering the parameters of the Haversian bone-mimicking structure. The Haversian bone-mimicking scaffolds showed great potential for multicellular delivery by inducing osteogenic, angiogenic, and neurogenic differentiation in vitro and accelerated the ingrowth of blood vessels and new bone formation in vivo. The work offers a new strategy for designing structured and functionalized biomaterials through mimicking native complex bone tissue for tissue regeneration.
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Affiliation(s)
- Meng Zhang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Rongcai Lin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
| | - Xin Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jianmin Xue
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Cuijun Deng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chun Feng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hui Zhuang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jingge Ma
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chen Qin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Li Wan
- Beijing Ten Dimensions Technology Co., Ltd., Beijing 100084, P. R. China
| | - Jiang Chang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Corresponding author.
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Yao T, Chen H, Baker MB, Moroni L. Effects of Fiber Alignment and Coculture with Endothelial Cells on Osteogenic Differentiation of Mesenchymal Stromal Cells. Tissue Eng Part C Methods 2019; 26:11-22. [PMID: 31774033 DOI: 10.1089/ten.tec.2019.0232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Vascularization is a critical process during bone regeneration. The lack of vascular networks leads to insufficient oxygen and nutrients supply, which compromises the survival of regenerated bone. One strategy for improving the survival and osteogenesis of tissue-engineered bone grafts involves the coculture of endothelial cells (ECs) with mesenchymal stromal cells (MSCs). Moreover, bone regeneration is especially challenging due to its unique structural properties with aligned topographical cues, with which stem cells can interact. Inspired by the aligned fibrillar nanostructures in human cancellous bone, we fabricated polycaprolactone (PCL) electrospun fibers with aligned and random morphology, cocultured human MSCs with human umbilical vein ECs (HUVECs), and finally investigated how these two factors modulate osteogenic differentiation of human MSCs (hMSCs). After optimizing cell ratio, a hMSCs/HUVECs ratio (90:10) was considered to be the best combination for osteogenic differentiation. Coculture results showed that hMSCs and HUVECs adhered to and proliferated well on both scaffolds. The aligned structure of PCL fibers strongly influenced the morphology and orientation of hMSCs and HUVECs; however, fiber alignment was observed to not affect alkaline phosphate (ALP) activity or mineralization of hMSCs compared with random scaffolds. More importantly, cocultured cells on both random and aligned scaffolds had significantly higher ALP activities than monoculture groups, which indicated that coculture with HUVECs provided a larger relative contribution to the osteogenesis of hMSCs compared with fiber alignment. Taken together, we conclude that coculture of hMSCs with ECs is an effective strategy to promote osteogenesis on electrospun scaffolds, and aligned fibers could be introduced to regenerate bone tissues with oriented topography without significant deleterious effects on hMSCs differentiation. This study shows the ability to grow oriented tissue-engineered cocultures with significant increases in osteogenesis over monoculture conditions. Impact statement This work demonstrates an effective method of enhancing osteogenesis of mesenchymal stromal cells on electrospun scaffolds through coculturing with endothelial cells. Furthermore, we provide the optimized conditions for cocultures on electrospun fibrous scaffolds and engineered bone tissues with oriented topography on aligned fibers. This study demonstrates promising findings for growing oriented tissue-engineered cocultures with significant increase in osteogenesis over monoculture conditions.
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Affiliation(s)
- Tianyu Yao
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands
| | - Honglin Chen
- Institute for Life Science, School of Medicine, South China University of Technology, Guangzhou, China
| | - Matthew B Baker
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands
| | - Lorenzo Moroni
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands
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Wang Y, Hu X, Kankala RK, Yang DY, Zhu K, Wang SB, Zhang YS, Chen AZ. Endothelialized microrods for minimally invasive in situ neovascularization. Biofabrication 2019; 12:015011. [PMID: 31553962 DOI: 10.1088/1758-5090/ab47eb] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Despite the significant advancements in fabricating various scaffolding systems over the past decades, generation of functional tissues towards vascularization remains challenging for the currently available biofabrication approaches. On the other hand, the applicability of traditional surgical transplantation of vascularized tissue constructs is sometimes limited due to the sophisticated surgical procedures, which are invasive, leading to increased risks of scar formation and infection. Considering these facts, we present an innovative platform, the angiogenic microrods composed of sodium alginate/gelatin harboring proliferating endothelial cells using a specially designed double T-junction microfluidic device with an expansion chamber, for achieving minimally invasive neovascularization in situ. Such vessel-like microarchitectures could be derived through controlled penetration of the crosslinker genepin for the gelatin phase, ensuing differential degrees in crosslinking of peripheral and central portions of the microstructures, thus resulting in the formation of vascular lumen-like hollow cavities via endothelial cell migration and proliferation during culture in vitro. Furthermore, in vivo performance of the microrods was explored. We believe that the development of these modular microrods for minimally invasive delivery is of great interest and offers a convenient approach for vascularization in situ.
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Affiliation(s)
- Ying Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, People's Republic of China
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Núñez-Toldrà R, Montori S, Bosch B, Hupa L, Atari M, Miettinen S. S53P4 Bioactive Glass Inorganic Ions for Vascularized Bone Tissue Engineering by Dental Pulp Pluripotent-Like Stem Cell Cocultures. Tissue Eng Part A 2019; 25:1213-1224. [DOI: 10.1089/ten.tea.2018.0256] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Raquel Núñez-Toldrà
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Barcelona, Spain
| | - Sheyla Montori
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Begoña Bosch
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Turku, Finland
| | - Maher Atari
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
- Surgery and Oral Implantology Department, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Susanna Miettinen
- Adult Stem Cell Research Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
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Sarkar K, Kumar V, Devi KB, Ghosh D, Nandi SK, Roy M. Anomalous in Vitro and in Vivo Degradation of Magnesium Phosphate Bioceramics: Role of Zinc Addition. ACS Biomater Sci Eng 2019; 5:5097-5106. [PMID: 33455257 DOI: 10.1021/acsbiomaterials.9b00422] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In vitro and in vivo degradation behavior and biocompatibility of magnesium phosphate (MgP) bioceramics and the potential role of zinc (Zn) on degradation were compared. Samples were prepared by conventional solid-state sintering at 1200 °C for 2h. Zn-doped MgP (0.5 wt %) showed 50% less degradation than that of pure MgP after immersion into simulated body fluid (SBF) for 8 weeks. Osteoblast-like cell (MG-63) proliferation was evident in MgP ceramics, which was significantly enhanced upon Zn addition. Both Alamar Blue assay and Live/Dead imaging showed the highest cell attachment and proliferation for 0.5 wt % Zn-doped MgP. In vivo biocompatibility of these MgP ceramics were studied after implantation in the rabbit femur. The micro computed tomography (μ-CT) analysis showed that in vivo degradability increased with the increase in the Zn content which is in contradiction to in vitro degradability. Histological evaluation showed large influx of osteoclast cells to the implantation site for Zn-doped MgP samples compared to that of undoped MgP, which is the primary reason of increased degradability of these samples. After 90 days of implantation, large sections of 0.5 wt % Zn-doped MgP samples were replaced by newly formed bones. Fluorochrome labeling showed 78 ± 3% new bone formation for 0.5 wt % Zn-doped MgP ceramics compared to 56 ± 3% for pure MgP samples. Our findings suggest that the addition of Zn in MgP ceramics alters their sintering and degradation kinetics that leads to decreased in vitro degradation, however, when Zn-doped MgP ceramics were implanted in rabbits, higher degradability was observed due to lower Mg2+ ion concentration in the degradation media.
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Affiliation(s)
- Kaushik Sarkar
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology-Kharagpur, Kharagpur 721302, India
| | - Vinod Kumar
- Department of Veterinary Surgery & Radiology, West Bengal University of Animal & Fishery Sciences, Kolkata 700037, India
| | - K Bavya Devi
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology-Kharagpur, Kharagpur 721302, India
| | - Debaki Ghosh
- Department of Veterinary Surgery & Radiology, West Bengal University of Animal & Fishery Sciences, Kolkata 700037, India
| | - Samit Kumar Nandi
- Department of Veterinary Surgery & Radiology, West Bengal University of Animal & Fishery Sciences, Kolkata 700037, India
| | - Mangal Roy
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology-Kharagpur, Kharagpur 721302, India
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Gu Y, Zhang J, Zhang X, Liang G, Xu T, Niu W. Three-dimensional Printed Mg-Doped β-TCP Bone Tissue Engineering Scaffolds: Effects of Magnesium Ion Concentration on Osteogenesis and Angiogenesis In Vitro. Tissue Eng Regen Med 2019; 16:415-429. [PMID: 31413945 PMCID: PMC6675836 DOI: 10.1007/s13770-019-00192-0] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/07/2019] [Accepted: 04/17/2019] [Indexed: 12/14/2022] Open
Abstract
Background Three-dimensional (3D) printed bone tissue engineering scaffolds have been widely used in research and clinical applications. β-TCP is a biomaterial commonly used in bone tissue engineering to treat bone defects, and its multifunctionality can be achieved by co-doping different metal ions. Magnesium doping in biomaterials has been shown to alter physicochemical properties of cells and enhance osteogenesis. Methods A series of Mg-doped TCP scaffolds were manufactured by using cryogenic 3D printing technology and sintering. The characteristics of the porous scaffolds, such as microstructure, chemical composition, mechanical properties, apparent porosity, etc., were examined. To further study the role of magnesium ions in simultaneously inducing osteogenesis and angiogenesis, human bone marrow mesenchymal stem cells (hBMSCs) and human umblical vein endothelial cells (HUVECs) were cultured in scaffold extracts to investigate cell proliferation, viability, and expression of osteogenic and angiogenic genes. Results The results showed that Mg-doped TCP scaffolds have the advantages of precise design, interconnected porous structure, and similar compressive strength to natural cancellous bone. hBMSCs and HUVECs exhibit high proliferation rate, cell morphology and viability in a certain amount of Mg2+. In addition, this concentration of magnesium can also increase the expression levels of osteogenic and angiogenic biomarkers. Conclusion A certain concentration of magnesium ions plays an important role in new bone regeneration and reconstruction. It can be used as a simple and effective method to enhance the osteogenesis and angiogenesis of bioceramic scaffolds, and support the development of biomaterials and bone tissue engineering scaffolds.
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Affiliation(s)
- Yifan Gu
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, 232 Waihuan East Road, Guangzhou, 510006 China
- Orthopedics Department, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, 111 Dade Road, Guangzhou, 510120 China
| | - Jing Zhang
- Medprin Regenerative Medical Technologies Co., Ltd, Guangzhou, 510663 China
- East China Institute of Digital Medical Engineering, Shangrao, 334000 China
| | - Xinzhi Zhang
- East China Institute of Digital Medical Engineering, Shangrao, 334000 China
| | - Guiping Liang
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, 232 Waihuan East Road, Guangzhou, 510006 China
- Orthopedics Department, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, 111 Dade Road, Guangzhou, 510120 China
| | - Tao Xu
- East China Institute of Digital Medical Engineering, Shangrao, 334000 China
- Department of Mechanical Engineering, Biomanufacturing Center, Tsinghua University, Beijing, 100084 China
- Department of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, 518055 China
| | - Wei Niu
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, 232 Waihuan East Road, Guangzhou, 510006 China
- Orthopedics Department, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, 111 Dade Road, Guangzhou, 510120 China
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de la Vega L, Lee C, Sharma R, Amereh M, Willerth SM. 3D bioprinting models of neural tissues: The current state of the field and future directions. Brain Res Bull 2019; 150:240-249. [DOI: 10.1016/j.brainresbull.2019.06.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 05/30/2019] [Accepted: 06/06/2019] [Indexed: 01/01/2023]
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Wang H, Tang X, Li W, Chen J, Li H, Yan J, Yuan X, Wu H, Liu C. Enhanced osteogenesis of bone marrow stem cells cultured on hydroxyapatite/collagen I scaffold in the presence of low-frequency magnetic field. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:89. [PMID: 31342178 DOI: 10.1007/s10856-019-6289-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 01/29/2019] [Indexed: 06/10/2023]
Abstract
As a non-invasive biophysical therapy, electromagnetic fields (EMF) have been widely used to promote the healing of fractures. In the present study, hydroxyapatite/collagen I (HAC) loaded with rabbit bone marrow mesenchymal stem cells (MSCs) were cultured in a dynamic perfusion bioreactor and exposed to EMF of 15 Hz/1mT. Osteogenic differentiation of the seeded cells was analyzed through the evaluation of ALP activity and osteogenesis-related genes expression in vitro. The in vivo osteogenesis efficacy of the cell laden HAC constructs treated with/without EMF was evaluated through a rabbit femur condyle defect model. The results showed that EMF of 15 Hz/1mT could enhance the osteogenic differentiation of the cells seeded on HAC scaffold. Furthermore, the in vivo experiments demonstrated that EMF exposure could promote bone regeneration within the defect and bone integration between the graft and host bone. Taking together, the MSCs seeded HAC scaffold combined with EMF exposure could be a promising approach for bone tissue engineering.
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Affiliation(s)
- Huaixi Wang
- Department of Spine and Spinal Cord Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No. 7 Weiwu road, 450003, Zhengzhou, P. R. China
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Xiangyu Tang
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Wenkai Li
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Jingyuan Chen
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Hao Li
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Jiyuan Yan
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Xuefeng Yuan
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China
| | - Hua Wu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China.
| | - Chaoxu Liu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, 430030, Wuhan, P. R. China.
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França CM, Thrivikraman G, Athirasala A, Tahayeri A, Gower LB, Bertassoni LE. The influence of osteopontin-guided collagen intrafibrillar mineralization on pericyte differentiation and vascularization of engineered bone scaffolds. J Biomed Mater Res B Appl Biomater 2019; 107:1522-1532. [PMID: 30267638 PMCID: PMC6440878 DOI: 10.1002/jbm.b.34244] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 07/25/2018] [Accepted: 08/25/2018] [Indexed: 12/17/2022]
Abstract
Biomimetically mineralized collagen scaffolds are promising for bone regeneration, but vascularization of these materials remains to be addressed. Here, we engineered mineralized scaffolds using an osteopontin-guided polymer-induced liquid-precursor mineralization method to recapitulate bone's mineralized nanostructure. SEM images of mineralized samples confirmed the presence of collagen with intrafibrillar mineral, also EDS spectra and FTIR showed high peaks of calcium and phosphate, with a similar mineral/matrix ratio to native bone. Mineralization increased collagen compressive modulus up to 15-fold. To evaluate vasculature formation and pericyte-like differentiation, HUVECs and hMSCs were seeded in a 4:1 ratio in the scaffolds for 7 days. Moreover, we used RT-PCR to investigate the gene expression of pericyte markers ACTA2, desmin, CD13, NG2, and PDGFRβ. Confocal images showed that both nonmineralized and mineralized scaffolds enabled endothelial capillary network formation. However, vessels in the nonmineralized samples had longer vessel length, a larger number of junctions, and a higher presence of αSMA+ mural cells. RT-PCR analysis confirmed the downregulation of pericytic markers in mineralized samples. In conclusion, although both scaffolds enabled endothelial capillary network formation, mineralized scaffolds presented less pericyte-supported vessels. These observations suggest that specific scaffold characteristics may be required for efficient scaffold vascularization in future bone tissue engineering strategies. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1522-1532, 2019.
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Affiliation(s)
- Cristiane M. França
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
- Nove de Julho University, São Paulo, SP, Brazil
| | - Greeshma Thrivikraman
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
| | - Avathamsa Athirasala
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
| | - Anthony Tahayeri
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
| | - Laurie B. Gower
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
| | - Luiz E. Bertassoni
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
- Center for Regenerative Medicine, School of Medicine, Oregon Health and Science University, Portland, OR, USA
- Department of Biomedical Engineering, School of Medicine, Oregon Health and Science University, Portland, OR, USA
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Lin YH, Chuang TY, Chiang WH, Chen IWP, Wang K, Shie MY, Chen YW. The synergistic effects of graphene-contained 3D-printed calcium silicate/poly-ε-caprolactone scaffolds promote FGFR-induced osteogenic/angiogenic differentiation of mesenchymal stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109887. [PMID: 31500024 DOI: 10.1016/j.msec.2019.109887] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/15/2019] [Accepted: 06/11/2019] [Indexed: 01/01/2023]
Abstract
Graphene-contained calcium silicate (CS)/polycaprolactone (PCL) scaffold (GCP) provides an alternative solution that can bring several bone formation properties, such as osteoinductive. This study finds out the optimal percentage of graphene additive to calcium silicate and polycaprolactone mixture for excellent in vitro and in vivo bone-regeneration ability, in addition, this scaffold could fabricate by 3D printing technology and demonstrates distinct mechanical, degradation, and biological behavior. With controlled structure and porosity by 3D printing, osteogenesis and proliferation capabilities of Wharton's Jelly derived mesenchymal stem cells (WJMSCs) were significantly enhanced when cultured on 3D printed GCP scaffolds. In this study, it was also discovered that fibroblast growth factor receptor (FGFR) plays an active role in modulating differentiation behavior of WJMSCs cultured on GCP scaffolds. The validation has been proved by analyzed the decreased cell proliferation, osteogenic-related protein (ALP and OC), and angiogenic-related protein (VEGF and vWF) with FGFR knockdown on all experimental groups. Moreover, this study infers that the GCP scaffold could induce the effects of proliferation, differentiation and related protein expression on WJMSCs through FGFR pathway. In summary, this research indicated the 3D-printed GCP scaffolds own the dual bioactivities to reach the osteogenesis and vascularization for bone regeneration.
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Affiliation(s)
- Yen-Hong Lin
- The Ph.D. Program for Medical Engineering and Rehabilitation Science, China Medical University, Taichung City, Taiwan; 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan
| | - Tsan-Yu Chuang
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City, Taiwan
| | - I-Wen Peter Chen
- Department of Applied Science, National Taitung University, Taitung City, Taiwan
| | - Kan Wang
- Georgia Tech Manufacturing Institute, Georgia Institute of Technology, Atlanta, GA, USA
| | - Ming-You Shie
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan; School of Dentistry, China Medical University, Taichung City, Taiwan; Department of Bioinformatics and Medical Engineering, Asia University, Taichung City, Taiwan
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City, Taiwan; 3D Printing Medical Research Institute, Asia University, Taichung City, Taiwan.
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Jamalpoor Z, Soleimani M, Taromi N, Asgari A. Comparative evaluation of morphology and osteogenic behavior of human Wharton's jelly mesenchymal stem cells on 2D culture plate and 3D biomimetic scaffold. J Cell Physiol 2019; 234:23123-23134. [DOI: 10.1002/jcp.28876] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Zahra Jamalpoor
- Trauma Research Center Aja University of Medical Sciences Tehran Iran
| | - Mansoureh Soleimani
- Cellular and Molecular Research Center Iran University of Medical Sciences Tehran Iran
- Department of Anatomy Iran University of Medical Sciences Tehran Iran
| | - Nafise Taromi
- Cellular and Molecular Research Center Iran University of Medical Sciences Tehran Iran
- Department of Medical Biotechnology Faculty of Allied Medicine, Iran University of Medical Sciences Tehran Iran
| | - Alireza Asgari
- Aerospace Medicine Research Center Aja University of Medical Sciences Tehran Iran
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Rahmani A, Hashemi-Najafabadi S, Eslaminejad MB, Bagheri F, Sayahpour FA. The effect of modified electrospun PCL-nHA-nZnO scaffolds on osteogenesis and angiogenesis. J Biomed Mater Res A 2019; 107:2040-2052. [PMID: 31077544 DOI: 10.1002/jbm.a.36717] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 02/21/2019] [Accepted: 05/07/2019] [Indexed: 12/15/2022]
Abstract
Large bone defects treatment is one of the challenges in current bone tissue engineering approaches. Various strategies have been proposed to address this issue, among which, prevascularization by coculturing of angiogenic and osteogenic cells on the scaffolds can alleviate this problem. In the present study, modified fibrous scaffolds were prepared by electrospinning and subsequent ultrasonication of polycaprolactone (PCL) containing nano-hydroxyapatite (n-HA), with/without nano-zinc oxide (n-ZnO), and polyethylene oxide [PEO] as a sacrificial agent. The physical, mechanical, and chemical characteristics of the scaffolds were evaluated. The results showed the presence of n-ZnO, which in turn increased Young's module of the scaffolds from 5.5 ± 0.67 to 6.7 ± 1.77 MPa. Moreover, MTT, SEM, alkaline phosphatase (ALP) activity, chicken embryo chorioallantoic membrane (CAM) assay, and real-time RT-PCR were utilized to investigate the biocompatibility, cell adhesion and infiltration, osteoconductivity, angiogenic properties, and expression of osteogenic and angiogenic related genes. ALP assay showed that the highest enzyme activity was noted when the modified scaffolds containing n-ZnO were seeded with HUVEC:hBMSC at the cell ratio of 1:5. CAM assay showed induction of angiogenesis for the scaffolds containing n-ZnO. Real-time RT-PCR results showed significant upregulation of angiogenic related genes. Thus, the scaffolds containing n-ZnO may have great potential for osteogenesis and angiogenesis in tissue engineering applications.
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Affiliation(s)
- Amin Rahmani
- Biomedical Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Sameereh Hashemi-Najafabadi
- Biomedical Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Fatemeh Bagheri
- Biotechnology Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Forough Azam Sayahpour
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Yin S, Zhang W, Zhang Z, Jiang X. Recent Advances in Scaffold Design and Material for Vascularized Tissue-Engineered Bone Regeneration. Adv Healthc Mater 2019; 8:e1801433. [PMID: 30938094 DOI: 10.1002/adhm.201801433] [Citation(s) in RCA: 146] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 02/24/2019] [Indexed: 12/21/2022]
Abstract
Bone tissue is a highly vascularized tissue and concomitant development of the vascular system and mineralized matrix requires a synergistic interaction between osteogenesis and angioblasts. Several strategies have been applied to achieve vascularized tissue-engineered bone, including the addition of cytokines as well as pre-vascularization strategies and co-culture systems. However, the scaffold is another extremely important component to consider, and development of vascularized bone scaffolds remains one of the greatest challenges for engineering clinically relevant bone substitutes. Here, this review highlights the biomaterial selection, preparation of pre-vascularized scaffolds, composition modification of the scaffold, structural design, and the comprehensive use of the above synergistic modifications of scaffold materials for vascular scaffolds in bone tissue engineering. Moreover, a strategy is proposed for the design of future scaffold structures, in which promoting the regeneration of vascularized bone by regulating the microenvironment should be the main focus. This overview can help illuminate progress in this field and identify the most recently developed scaffolds that show the greatest potential for achieving clinically vascularized bone.
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Affiliation(s)
- Shi Yin
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Wenjie Zhang
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Zhiyuan Zhang
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
| | - Xinquan Jiang
- Department of ProsthodonticsShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of Medicine No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology No. 639, Manufacturing Bureau Road Huangpu District Shanghai China
- Shanghai Engineering Research Center of Advanced Dental Technology and MaterialsNational Clinical Research Center of Stomatology Shanghai 200011 China
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Lin H, Sohn J, Shen H, Langhans MT, Tuan RS. Bone marrow mesenchymal stem cells: Aging and tissue engineering applications to enhance bone healing. Biomaterials 2019; 203:96-110. [PMID: 29980291 PMCID: PMC6733253 DOI: 10.1016/j.biomaterials.2018.06.026] [Citation(s) in RCA: 213] [Impact Index Per Article: 42.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 12/11/2022]
Abstract
Bone has well documented natural healing capacity that normally is sufficient to repair fractures and other common injuries. However, the properties of bone change throughout life, and aging is accompanied by increased incidence of bone diseases and compromised fracture healing capacity, which necessitate effective therapies capable of enhancing bone regeneration. The therapeutic potential of adult mesenchymal stem cells (MSCs) for bone repair has been long proposed and examined. Actions of MSCs may include direct differentiation to become bone cells, attraction and recruitment of other cells, or creation of a regenerative environment via production of trophic growth factors. With systemic aging, MSCs also undergo functional decline, which has been well investigated in a number of recent studies. In this review, we first describe the changes in MSCs during aging and discuss how these alterations can affect bone regeneration. We next review current research findings on bone tissue engineering, which is considered a promising and viable therapeutic solution for structural and functional restoration of bone. In particular, the importance of MSCs and bioscaffolds is highlighted. Finally, potential approaches for the prevention of MSC aging and the rejuvenation of aged MSC are discussed.
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Affiliation(s)
- Hang Lin
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jihee Sohn
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - He Shen
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, China
| | - Mark T Langhans
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Rocky S Tuan
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; The Chinese University of Hong Kong, Hong Kong SAR, China.
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Wang X, Lin M, Kang Y. Engineering Porous β-Tricalcium Phosphate (β-TCP) Scaffolds with Multiple Channels to Promote Cell Migration, Proliferation, and Angiogenesis. ACS APPLIED MATERIALS & INTERFACES 2019; 11:9223-9232. [PMID: 30758175 DOI: 10.1021/acsami.8b22041] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Inadequate oxygen and nutrient diffusion in a porous scaffold often resulted in insufficient formation of branched vasculatures, which hindered bone regeneration. In this study, interconnected porous β-tricalcium phosphate (β-TCP) scaffolds with different geometric designs of channels were fabricated and compared to discover the functionality of structure on facilitating nutrient diffusion for angiogenesis. In vitro fluid transportation and degradation of the scaffolds were performed. Cell infiltration, migration, and proliferation of human umbilical vein endothelial cells (HUVECs) on the scaffolds were carried out under both static and dynamic culture conditions. A computational simulation model and a series of immunofluorescent staining were implemented to understand the mechanism of cell behavior in response to different types of scaffolds. Results showed that geometry with multiple channels significantly accelerated the release of Ca2+ and increased the fluid diffusion efficiency. Moreover, multiple channels promoted HUVECs' infiltration and migration in vitro. The ex vivo implantation results showed that the channels promoted cells from the rats' calvarial bone explants to infiltrate into the implanted scaffold. Multiple channels also stimulated HUVECs' proliferation prominently at both static and dynamic culturing conditions. The expression of both cell migration-related protein α5 and angiogenesis-related protein CD31 on multiple-channeled scaffolds was upregulated compared to that on the other two types of scaffolds, implying that multiple channels reinforced cell migration and angiogenesis. All the findings suggested that the geometric design of multiple channels in the porous β-TCP scaffold has promising potential to promote cell infiltration, migration, and further vascularization when implanted in vivo.
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Affiliation(s)
| | | | - Yunqing Kang
- Integrative Biology PhD Program, Department of Biological Science, College of Science , Florida Atlantic University , Boca Raton , Florida 33431 , United States
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