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Dual functional approaches for osteogenesis coupled angiogenesis in bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109761. [PMID: 31349418 DOI: 10.1016/j.msec.2019.109761] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 05/11/2019] [Accepted: 05/15/2019] [Indexed: 12/31/2022]
Abstract
Bone fracture healing is a multistep and overlapping process of inflammation, angiogenesis and osteogenesis. It is initiated by inflammation, causing the release of various cytokines and growth factors. It leads to the recruitment of stem cells and formation of vasculature resulting in the functional bone formation. This combined phenomenon is used by bone tissue engineers from past few years to address the problem of vasculature and osteogenic differentiation during bone regeneration. In this review, we have discussed all major studies reporting the dual functioning approach to promote osteogenesis coupled angiogenesis using various scaffolds. These scaffolds are broadly classified into four types based on the nature of their structural and functional components. The functionality of the scaffold is either due to the structural components or the loaded cargo which conducts or induces the coupled functionality. Dual delivery system for osteoinductive and angioinductive factors ensures the co-delivery of two different types of molecules to induce osteogenesis and angiogenesis. Single delivery scaffold for angioinductive and osteoinductive molecule releases single type of molecules which could induce both angiogenesis and osteogenesis. Osteoconductive scaffold consisted of bone constituents releases angioinductive factors. Osteoconductive and angioconductive scaffold composed of components which provide the native substrate features for osteogenesis and angiogenesis. This review article also discusses the studies highlighting the synergism of physico-chemical stimuli as dual functioning feature to enhance angiogenesis and osteogenesis simultaneously. In addition, this article covers one of the least discussed area of the bone regeneration i.e. 'cartilage formation as a median between angiogenesis and osteogenesis'.
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52
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Sarkar N, Bose S. Liposome-Encapsulated Curcumin-Loaded 3D Printed Scaffold for Bone Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2019; 11:17184-17192. [PMID: 30924639 PMCID: PMC8791785 DOI: 10.1021/acsami.9b01218] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Curcumin, the active constituent for turmeric, is known for its antioxidant, anti-inflammatory, anticancer, and osteogenic activities. However, it shows extremely poor bioavailability, rapid metabolism, and rapid systemic elimination. In this study, we have increased the bioavailability of curcumin by encapsulating it in a liposome, followed by the incorporation onto 3D printed (3DP) calcium phosphate (CaP) scaffolds with designed porosity. 3DP scaffolds with a designed shape and interconnected porosity allow for the fabrication of patient-specific implants, providing new tissue ingrowth by mechanical interlocking between the surrounding host tissue and the scaffold. Upon successful encapsulation of curcumin into the liposomes, we have investigated the effect of liposomal curcumin released from the 3DP scaffolds on both human fetal osteoblast cells (hFOB) and human osteosarcoma (MG-63) cells. Interestingly, liposomal curcumin released from the 3DP scaffold showed significant cytotoxicity toward in vitro osteosarcoma (bone cancer) cells, whereas it promoted osteoblast (healthy bone cell) cell viability and proliferation. These results reveal a novel approach toward the fabrication of tissue engineering scaffolds, which couples the advanced additive manufacturing technology with the wisdom of alternative medicine. These bifunctional scaffolds eradicate the osteosarcoma cells and also promote osteoblast proliferation, offering new opportunities to treat bone defects after tumor resection.
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53
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Ashammakhi N, Hasan A, Kaarela O, Byambaa B, Sheikhi A, Gaharwar AK, Khademhosseini A. Advancing Frontiers in Bone Bioprinting. Adv Healthc Mater 2019; 8:e1801048. [PMID: 30734530 DOI: 10.1002/adhm.201801048] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 11/26/2018] [Indexed: 12/20/2022]
Abstract
Three-dimensional (3D) bioprinting of cell-laden biomaterials is used to fabricate constructs that can mimic the structure of native tissues. The main techniques used for 3D bioprinting include microextrusion, inkjet, and laser-assisted bioprinting. Bioinks used for bone bioprinting include hydrogels loaded with bioactive ceramics, cells, and growth factors. In this review, a critical overview of the recent literature on various types of bioinks used for bone bioprinting is presented. Major challenges, such as the vascularity, clinically relevant size, and mechanical properties of 3D printed structures, that need to be addressed to successfully use the technology in clinical settings, are discussed. Emerging approaches to solve these problems are reviewed, and future strategies to design customized 3D printed structures are proposed.
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Affiliation(s)
- Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
- California NanoSystems Institute (CNSI)University of California – Los Angeles Los Angeles CA 90095 USA
- Department of BioengineeringUniversity of California – Los Angeles Los Angeles CA 90095 USA
- Division of Plastic SurgeryDepartment of SurgeryOulu Univesity Hospital Oulu FI‐90014 Finland
| | - Anwarul Hasan
- Department of Mechanical and Industrial EngineeringCollege of EngineeringQatar University Doha 2713 Qatar
- Biomedical Research CenterQatar University Doha 2713 Qatar
| | - Outi Kaarela
- Division of Plastic SurgeryDepartment of SurgeryOulu Univesity Hospital Oulu FI‐90014 Finland
| | - Batzaya Byambaa
- Center for Biomedical EngineeringDepartment of MedicineBrigham and Women's HospitalHarvard Medical School Cambridge MA 02115 USA
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of Technology Cambridge MA 02139 USA
| | - Amir Sheikhi
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
| | - Akhilesh K. Gaharwar
- Department of Biomedical EngineeringDepartment of Materials Science and Engineeringand Center for Remote Health and TechnologiesTexas A&M University College Station TX 77841 USA
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
- California NanoSystems Institute (CNSI)University of California – Los Angeles Los Angeles CA 90095 USA
- Department of BioengineeringUniversity of California – Los Angeles Los Angeles CA 90095 USA
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54
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Ke D, Tarafder S, Vahabzadeh S, Bose S. Effects of MgO, ZnO, SrO, and SiO 2 in tricalcium phosphate scaffolds on in vitro gene expression and in vivo osteogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:10-19. [PMID: 30606515 PMCID: PMC6484851 DOI: 10.1016/j.msec.2018.10.073] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 09/05/2018] [Accepted: 10/21/2018] [Indexed: 11/28/2022]
Abstract
β‑tricalcium phosphate (β‑TCP) is a versatile bioceramic for its use in many orthopedic and dental applications due to its excellent biocompatibility and biodegradability. Recently, the addition of additives to β‑TCP has been proven to improve bone repair and regeneration, however, the underlying mechanism of enhanced bone regeneration is still unknown. In this study, strontium oxide (SrO), silica (SiO2), magnesia (MgO), and zinc oxide (ZnO) were added to β‑TCP for dense discs fabrication followed by in vitro evaluation using a preosteoblast cell line. Cell viability and gene expression were analyzed at day 3 and day 9 during the cell culture. MgO and SiO2 were found to significantly enhance and expedite osteoblastic differentiation. A potential mechanism was introduced to explain the additive induced osteoblastic differentiation. In addition, in vivo characterizations showed that porous 3D printed MgO-SiO2-TCP scaffolds significantly improved new bone formation after 16 weeks of implantation. This study shows beneficial effects of additives on osteoblastic viability and differentiation in vitro as well as osteogenesis in vivo, which is crucial towards the development of bone tissue engineering scaffolds.
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Affiliation(s)
- Dongxu Ke
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, USA
| | - Solaiman Tarafder
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, USA
| | - Sahar Vahabzadeh
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, USA
| | - Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, USA.
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55
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Jafarkhani M, Salehi Z, Aidun A, Shokrgozar MA. Bioprinting in Vascularization Strategies. IRANIAN BIOMEDICAL JOURNAL 2019; 23. [PMID: 30458600 PMCID: PMC6305822 DOI: 10.29252/.23.1.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Three-dimensional (3D) printing technology has revolutionized tissue engineering field because of its excellent potential of accurately positioning cell-laden constructs. One of the main challenges in the formation of functional engineered tissues is the lack of an efficient and extensive network of microvessels to support cell viability. By printing vascular cells and appropriate biomaterials, the 3D printing could closely mimic in vivo conditions to generate blood vessels. In vascular tissue engineering, many various approaches of 3D printing have been developed, including selective laser sintering and extrusion methods, etc. The 3D printing is going to be the integral part of tissue engineering approaches; in comparison with other scaffolding techniques, 3D printing has two major merits: automation and high cell density. Undoubtedly, the application of 3D printing in vascular tissue engineering will be extended if its resolution, printing speed, and available materials can be improved.
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Affiliation(s)
- Mahboubeh Jafarkhani
- School of Chemical Engineering, College of Engineering, University of Tehran, Iran
| | - Zeinab Salehi
- School of Chemical Engineering, College of Engineering, University of Tehran, Iran
| | - Amir Aidun
- Tissues and Biomaterials Research Group (TBRG), Universal Scientific Education and Research Network (USERN), Tehran, Iran,National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Ali Shokrgozar
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran,Corresponding Author: Mohammad Ali Shokrgozar National Cell Bank of Iran, Pasteur Institute of Iran, Tehran 13169435551, Iran; Tel. & Fax.: (+98-21) 66492595; E-mail:
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56
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Ashammakhi N, Ahadian S, Xu C, Montazerian H, Ko H, Nasiri R, Barros N, Khademhosseini A. Bioinks and bioprinting technologies to make heterogeneous and biomimetic tissue constructs. Mater Today Bio 2019; 1:100008. [PMID: 32159140 PMCID: PMC7061634 DOI: 10.1016/j.mtbio.2019.100008] [Citation(s) in RCA: 246] [Impact Index Per Article: 49.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/17/2019] [Accepted: 05/18/2019] [Indexed: 12/12/2022] Open
Abstract
The native tissues are complex structures consisting of different cell types, extracellular matrix materials, and biomolecules. Traditional tissue engineering strategies have not been able to fully reproduce biomimetic and heterogeneous tissue constructs because of the lack of appropriate biomaterials and technologies. However, recently developed three-dimensional bioprinting techniques can be leveraged to produce biomimetic and complex tissue structures. To achieve this, multicomponent bioinks composed of multiple biomaterials (natural, synthetic, or hybrid natural-synthetic biomaterials), different types of cells, and soluble factors have been developed. In addition, advanced bioprinting technologies have enabled us to print multimaterial bioinks with spatial and microscale resolution in a rapid and continuous manner, aiming to reproduce the complex architecture of the native tissues. This review highlights important advances in heterogeneous bioinks and bioprinting technologies to fabricate biomimetic tissue constructs. Opportunities and challenges to further accelerate this research area are also described.
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Affiliation(s)
- N. Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Division of Plastic Surgery, Department of Surgery, Oulu University, Oulu, 8000, Finland
| | - S. Ahadian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
| | - C. Xu
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia
| | - H. Montazerian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
| | - H. Ko
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
| | - R. Nasiri
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, 11365-11155, Iran
| | - N. Barros
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
| | - A. Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Bioengineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Radiological Sciences, University of California – Los Angeles, Los Angeles, CA, 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California – Los Angeles, Los Angeles, CA, 90095, USA
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57
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Jafarkhani M, Salehi Z, Aidun A, Shokrgozar MA. Bioprinting in Vascularization Strategies. IRANIAN BIOMEDICAL JOURNAL 2019; 23:9-20. [PMID: 30458600 PMCID: PMC6305822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 10/01/2018] [Accepted: 10/03/2018] [Indexed: 10/06/2023]
Abstract
Three-dimensional (3D) printing technology has revolutionized tissue engineering field because of its excellent potential of accurately positioning cell-laden constructs. One of the main challenges in the formation of functional engineered tissues is the lack of an efficient and extensive network of microvessels to support cell viability. By printing vascular cells and appropriate biomaterials, the 3D printing could closely mimic in vivo conditions to generate blood vessels. In vascular tissue engineering, many various approaches of 3D printing have been developed, including selective laser sintering and extrusion methods, etc. The 3D printing is going to be the integral part of tissue engineering approaches; in comparison with other scaffolding techniques, 3D printing has two major merits: automation and high cell density. Undoubtedly, the application of 3D printing in vascular tissue engineering will be extended if its resolution, printing speed, and available materials can be improved.
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Affiliation(s)
- Mahboubeh Jafarkhani
- School of Chemical Engineering, College of Engineering, University of Tehran, Iran
| | - Zeinab Salehi
- School of Chemical Engineering, College of Engineering, University of Tehran, Iran
| | - Amir Aidun
- Tissues and Biomaterials Research Group (TBRG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
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58
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Ottensmeyer PF, Witzler M, Schulze M, Tobiasch E. Small Molecules Enhance Scaffold-Based Bone Grafts via Purinergic Receptor Signaling in Stem Cells. Int J Mol Sci 2018; 19:E3601. [PMID: 30441872 PMCID: PMC6274752 DOI: 10.3390/ijms19113601] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/08/2018] [Accepted: 11/09/2018] [Indexed: 12/15/2022] Open
Abstract
The need for bone grafts is high, due to age-related diseases, such as tumor resections, but also accidents, risky sports, and military conflicts. The gold standard for bone grafting is the use of autografts from the iliac crest, but the limited amount of accessible material demands new sources of bone replacement. The use of mesenchymal stem cells or their descendant cells, namely osteoblast, the bone-building cells and endothelial cells for angiogenesis, combined with artificial scaffolds, is a new approach. Mesenchymal stem cells (MSCs) can be obtained from the patient themselves, or from donors, as they barely cause an immune response in the recipient. However, MSCs never fully differentiate in vitro which might lead to unwanted effects in vivo. Interestingly, purinergic receptors can positively influence the differentiation of both osteoblasts and endothelial cells, using specific artificial ligands. An overview is given on purinergic receptor signaling in the most-needed cell types involved in bone metabolism-namely osteoblasts, osteoclasts, and endothelial cells. Furthermore, different types of scaffolds and their production methods will be elucidated. Finally, recent patents on scaffold materials, as wells as purinergic receptor-influencing molecules which might impact bone grafting, are discussed.
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Affiliation(s)
- Patrick Frank Ottensmeyer
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Markus Witzler
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Margit Schulze
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
| | - Edda Tobiasch
- Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, D-53359 Rheinbach, Germany.
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He W, Fan Y, Li X. [Recent research progress of bioactivity mechanism and application of bone repair materials]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2018; 32:1107-1115. [PMID: 30129343 DOI: 10.7507/1002-1892.201807039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Large bone defect repair is a difficult problem to be solved urgently in orthopaedic field, and the application of bone repair materials is a feasible method to solve this problem. Therefore, bone repair materials have been continuously developed, and have evolved from autogenous bone grafts, allograft bone grafts, and inert materials to highly active and multifunctional bone tissue engineering scaffold materials. In this paper, the related mechanism of bone repair materials, the application of bone repair materials, and the exploration of new bone repair materials are introduced to present the research status and advance of the bone repair materials, and the development direction is also prospected.
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Affiliation(s)
- Wei He
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, P.R.China;Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100083, P.R.China
| | - Yubo Fan
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, P.R.China;Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100083,
| | - Xiaoming Li
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, P.R.China;Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100083,
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60
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Zhang H, Mehmood K, Jiang X, Yao W, Iqbal M, Waqas M, Rehman MU, Li A, Shen Y, Li J. Effect of tetramethyl thiuram disulfide (thiram) in relation to tibial dyschondroplasia in chickens. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:28264-28274. [PMID: 30076550 DOI: 10.1007/s11356-018-2824-2] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/20/2018] [Indexed: 06/08/2023]
Abstract
Tetramethyl thiuram disulfide (thiram) is one of the important pesticides, which is extensively used in agriculture, but if it is combined with the cell membrane, then it causes membrane damage, bone morphogenic inactivation, and inhibited angiogenesis. Thiram has been considered a common cause of tibial dyschondrolplasia (TD) in various avian species, because it becomes the part of feed due to environmental contamination and its overuse in agriculture as pesticides or fungicide. However, there is no systematic study on the changes of the correlation indexes with toxic effect of the thiram in chickens. Therefore, we evaluated the toxic effects of thiram on growth performance of chickens, viscera organ index, pathological changes in tissue, and gene expression associated with osteoblast differentiation, vascularization, and tibial bone development. For this study, 1-day chickens (n = 300) were randomly distributed into two equal groups, control group (normal basal diet) and thiram group (adding thiram 40 mg/kg in basal diet). The result presented that thiram group chickens were looking unhealthy, lazy, and showing clinical symptoms like lameness. Thiram treatment significantly reduced the performance of chickens, liver index, and tibial length compared with control group. The toxic effect of thiram increased the visceral organ index (spleen and cardiac), tibia index, and TD severity considerably. It also increased serum Ca2+ and P3+ concentration and decreased tibial density compared to control chickens but the difference was not significant. Histopathology of tibia and liver showed that there were severe lesions due to toxic effect of thiram. Furthermore, HIF-1α and VEGF antibody localizations were increased and WNT4 localization was reduced significantly in immunohistochemical analysis. This systemic study of toxic effects of thiram in chicken concluded that thiram reduced the growth performance of chickens through decreasing liver index, whereas increasing kidney, cardiac, and spleen index, and induced TD by changing the expressions of VEGF, HIF-1α, and WNT4.
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Affiliation(s)
- Hui Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Khalid Mehmood
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- University College of Veterinary and Animal Sciences, Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Xiong Jiang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Wangyuan Yao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Mujahid Iqbal
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Muhammad Waqas
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Mujeeb Ur Rehman
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Aoyun Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Yaoqin Shen
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
- College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Linzhi, Tibet, 860000, People's Republic of China.
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61
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Turnbull G, Clarke J, Picard F, Riches P, Jia L, Han F, Li B, Shu W. 3D bioactive composite scaffolds for bone tissue engineering. Bioact Mater 2018; 3:278-314. [PMID: 29744467 PMCID: PMC5935790 DOI: 10.1016/j.bioactmat.2017.10.001] [Citation(s) in RCA: 573] [Impact Index Per Article: 95.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 10/31/2017] [Accepted: 10/31/2017] [Indexed: 12/13/2022] Open
Abstract
Bone is the second most commonly transplanted tissue worldwide, with over four million operations using bone grafts or bone substitute materials annually to treat bone defects. However, significant limitations affect current treatment options and clinical demand for bone grafts continues to rise due to conditions such as trauma, cancer, infection and arthritis. Developing bioactive three-dimensional (3D) scaffolds to support bone regeneration has therefore become a key area of focus within bone tissue engineering (BTE). A variety of materials and manufacturing methods including 3D printing have been used to create novel alternatives to traditional bone grafts. However, individual groups of materials including polymers, ceramics and hydrogels have been unable to fully replicate the properties of bone when used alone. Favourable material properties can be combined and bioactivity improved when groups of materials are used together in composite 3D scaffolds. This review will therefore consider the ideal properties of bioactive composite 3D scaffolds and examine recent use of polymers, hydrogels, metals, ceramics and bio-glasses in BTE. Scaffold fabrication methodology, mechanical performance, biocompatibility, bioactivity, and potential clinical translations will be discussed.
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Affiliation(s)
- Gareth Turnbull
- Department of Biomedical Engineering, Wolfson Building, University of Strathclyde, 106 Rottenrow, Glasgow, G4 0NW, United Kingdom
- Department of Orthopaedic Surgery, Golden Jubilee National Hospital, Agamemnon St, Clydebank, G81 4DY, United Kingdom
| | - Jon Clarke
- Department of Orthopaedic Surgery, Golden Jubilee National Hospital, Agamemnon St, Clydebank, G81 4DY, United Kingdom
| | - Frédéric Picard
- Department of Biomedical Engineering, Wolfson Building, University of Strathclyde, 106 Rottenrow, Glasgow, G4 0NW, United Kingdom
- Department of Orthopaedic Surgery, Golden Jubilee National Hospital, Agamemnon St, Clydebank, G81 4DY, United Kingdom
| | - Philip Riches
- Department of Biomedical Engineering, Wolfson Building, University of Strathclyde, 106 Rottenrow, Glasgow, G4 0NW, United Kingdom
| | - Luanluan Jia
- Orthopaedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, PR China
| | - Fengxuan Han
- Orthopaedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, PR China
| | - Bin Li
- Orthopaedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, PR China
| | - Wenmiao Shu
- Department of Biomedical Engineering, Wolfson Building, University of Strathclyde, 106 Rottenrow, Glasgow, G4 0NW, United Kingdom
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62
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Li B, Ruan C, Ma Y, Huang Z, Huang Z, Zhou G, Zhang J, Wang H, Wu Z, Qiu G. Fabrication of Vascularized Bone Flaps with Sustained Release of Recombinant Human Bone Morphogenetic Protein-2 and Arteriovenous Bundle. Tissue Eng Part A 2018; 24:1413-1422. [PMID: 29676206 DOI: 10.1089/ten.tea.2018.0002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Affiliation(s)
- Bo Li
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Department of Orthopedic Surgery, Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Beijing, China
| | - Changshun Ruan
- Center for Human Tissue and Organs Degeneration, Institute Biomedical and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yufei Ma
- Center for Human Tissue and Organs Degeneration, Institute Biomedical and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Zhifeng Huang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Department of Orthopedic Surgery, Fourth Clinical Medical College of Peking University, Beijing Jishuitan Hospital, Beijing, China
| | - Zhenfei Huang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Gang Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Jing Zhang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Hai Wang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Zhihong Wu
- Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Bone and Joint Disease, Beijing, China
| | - Guixing Qiu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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Tovar N, Witek L, Atria P, Sobieraj M, Bowers M, Lopez CD, Cronstein BN, Coelho PG. Form and functional repair of long bone using 3D-printed bioactive scaffolds. J Tissue Eng Regen Med 2018; 12:1986-1999. [PMID: 30044544 DOI: 10.1002/term.2733] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 04/18/2018] [Accepted: 07/17/2018] [Indexed: 01/08/2023]
Abstract
Injuries to the extremities often require resection of necrotic hard tissue. For large-bone defects, autogenous bone grafting is ideal but, similar to all grafting procedures, is subject to limitations. Synthetic biomaterial-driven engineered healing offers an alternative approach. This work focuses on three-dimensional (3D) printing technology of solid-free form fabrication, more specifically robocasting/direct write. The research hypothesizes that a bioactive calcium-phosphate scaffold may successfully regenerate extensive bony defects in vivo and that newly regenerated bone will demonstrate mechanical properties similar to native bone as healing time elapses. Robocasting technology was used in designing and printing customizable scaffolds, composed of 100% beta tri-calcium phosphate (β-TCP), which were used to repair critical sized long-bone defects. Following full thickness segmental defects (~11 mm × full thickness) in the radial diaphysis in New Zealand white rabbits, a custom 3D-printed, 100% β-TCP, scaffold was implanted or left empty (negative control) and allowed to heal over 8, 12, and 24 weeks. Scaffolds and bone, en bloc, were subjected to micro-CT and histological analysis for quantification of bone, scaffold and soft tissue expressed as a function of volume percentage. Additionally, biomechanical testing at two different regions, (a) bone in the scaffold and (b) in native radial bone (control), was conducted to assess the newly regenerated bone for reduced elastic modulus (Er ) and hardness (H) using nanoindentation. Histological analysis showed no signs of any adverse immune response while revealing progressive remodelling of bone within the scaffold along with gradual decrease in 3D-scaffold volume over time. Micro-CT images indicated directional bone ingrowth, with an increase in bone formation over time. Reduced elastic modulus (Er ) data for the newly regenerated bone presented statistically homogenous values analogous to native bone at the three time points, whereas hardness (H) values were equivalent to the native radial bone only at 24 weeks. The negative control samples showed limited healing at 8 weeks. Custom engineered β-TCP scaffolds are biocompatible, resorbable, and can directionally regenerate and remodel bone in a segmental long-bone defect in a rabbit model. Custom designs and fabrication of β-TCP scaffolds for use in other bone defect models warrant further investigation.
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Affiliation(s)
- Nick Tovar
- Department of Biomaterials and Biomimetics, College of Dentistry New York University, New York, New York
| | - Lukasz Witek
- Department of Biomaterials and Biomimetics, College of Dentistry New York University, New York, New York
| | - Pablo Atria
- Biomaterials Department, Universidad de los Andes, Santiago, Chile
| | - Michael Sobieraj
- Department of Orthopaedic Surgery, University of Pennsylvania, Penn Presbyterian Medical Center, Philadelphia, Pennsylvania
| | - Michelle Bowers
- Department of Biomaterials and Biomimetics, College of Dentistry New York University, New York, New York
| | - Christopher D Lopez
- Department of Biomaterials and Biomimetics, College of Dentistry New York University, New York, New York.,Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York
| | - Bruce N Cronstein
- Department of Medicine, New York University School of Medicine, New York, New York
| | - Paulo G Coelho
- Department of Biomaterials and Biomimetics, College of Dentistry New York University, New York, New York.,Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, New York
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64
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Ji K, Wang Y, Wei Q, Zhang K, Jiang A, Rao Y, Cai X. Application of 3D printing technology in bone tissue engineering. Biodes Manuf 2018. [DOI: 10.1007/s42242-018-0021-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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65
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Shi R, Huang Y, Ma C, Wu C, Tian W. Current advances for bone regeneration based on tissue engineering strategies. Front Med 2018; 13:160-188. [PMID: 30047029 DOI: 10.1007/s11684-018-0629-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 12/14/2017] [Indexed: 01/07/2023]
Abstract
Bone tissue engineering (BTE) is a rapidly developing strategy for repairing critical-sized bone defects to address the unmet need for bone augmentation and skeletal repair. Effective therapies for bone regeneration primarily require the coordinated combination of innovative scaffolds, seed cells, and biological factors. However, current techniques in bone tissue engineering have not yet reached valid translation into clinical applications because of several limitations, such as weaker osteogenic differentiation, inadequate vascularization of scaffolds, and inefficient growth factor delivery. Therefore, further standardized protocols and innovative measures are required to overcome these shortcomings and facilitate the clinical application of these techniques to enhance bone regeneration. Given the deficiency of comprehensive studies in the development in BTE, our review systematically introduces the new types of biomimetic and bifunctional scaffolds. We describe the cell sources, biology of seed cells, growth factors, vascular development, and the interactions of relevant molecules. Furthermore, we discuss the challenges and perspectives that may propel the direction of future clinical delivery in bone regeneration.
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Affiliation(s)
- Rui Shi
- Institute of Traumatology and Orthopaedics, Beijing Laboratory of Biomedical Materials, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Yuelong Huang
- Department of Spine Surgery of Beijing Jishuitan Hospital, The Fourth Clinical Medical College of Peking University, Beijing, 100035, China
| | - Chi Ma
- Institute of Traumatology and Orthopaedics, Beijing Laboratory of Biomedical Materials, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Chengai Wu
- Institute of Traumatology and Orthopaedics, Beijing Laboratory of Biomedical Materials, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Wei Tian
- Institute of Traumatology and Orthopaedics, Beijing Laboratory of Biomedical Materials, Beijing Jishuitan Hospital, Beijing, 100035, China. .,Department of Spine Surgery of Beijing Jishuitan Hospital, The Fourth Clinical Medical College of Peking University, Beijing, 100035, China.
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66
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Bose S, Sarkar N, Banerjee D. Effects of PCL, PEG and PLGA polymers on curcumin release from calcium phosphate matrix for in vitro and in vivo bone regeneration. MATERIALS TODAY. CHEMISTRY 2018; 8:110-120. [PMID: 30480167 PMCID: PMC6251318 DOI: 10.1016/j.mtchem.2018.03.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Calcium phosphate materials are widely used as bone-like scaffolds or coating for metallic hip and knee implants due to their excellent biocompatibility, compositional similarity to natural bone and controllable bioresorbability. Local delivery of drugs or osteogenic factors from scaffolds and implants are required over a desired period of time for an effectual treatment of various musculoskeletal disorders. Curcumin, an antioxidant and anti-inflammatory molecule, enhances osteoblastc activity in addition to its anti-osteoclastic activity. However, due to its poor solubility and high intestinal liver metabolism, it showed limited oral efficacy in various preclinical and clinical studies. To enhance its bioavailability and to provide higher release, we have used poly (ε-caprolactone) (PCL), poly ethylene glycol (PEG) and poly lactide co glycolide (PLGA) as the polymeric system to enable continuous release of curcumin from the hydroxyapatite matrix for 22 days. Additionally, curcumin was incorporated in plasma sprayed hydroxyapatite coated Ti6Al4V substrate to study in vitro cell material interaction using human fetal osteoblast (hFOB) cells for load bearing implants. MTT cell viability assay and morphological characterization by FESEM showed highest cell viability with samples coated with curcumin-PCL-PEG. Finally, 3D printed interconnected macro porous β-TCP scaffolds were prepared and curcumin-PCL-PEG was loaded to assess the effects of curcumin on in vivo bone regeneration. The presence of curcumin in TCP results in enhanced bone formation after 6 weeks. Complete mineralized bone formation increased from 29.6 % to 44.9% in curcumin-coated scaffolds compared to pure TCP. Results show that local release of curcumin can be designed for both load bearing or non-load bearing implants with the aid of polymers, which can be considered an excellent candidate for wound healing and tissue regeneration applications in bone tissue engineering.
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Affiliation(s)
- Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of
Mechanical and Materials Engineering, Washington State University, Pullman,
Washington 99164, United States
| | - Naboneeta Sarkar
- W. M. Keck Biomedical Materials Research Laboratory, School of
Mechanical and Materials Engineering, Washington State University, Pullman,
Washington 99164, United States
| | - Dishary Banerjee
- W. M. Keck Biomedical Materials Research Laboratory, School of
Mechanical and Materials Engineering, Washington State University, Pullman,
Washington 99164, United States
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67
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Tavakoli J, Khosroshahi ME. Surface morphology characterization of laser-induced titanium implants: lesson to enhance osseointegration process. Biomed Eng Lett 2018; 8:249-257. [PMID: 30603208 DOI: 10.1007/s13534-018-0063-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/05/2018] [Accepted: 03/18/2018] [Indexed: 12/27/2022] Open
Abstract
The surface properties of implant are responsible to provide mechanical stability by creating an intimate bond between the bone and implant; hence, play a major role on osseointegration process. The current study was aimed to measure surface characteristics of titanium modified by a pulsed Nd:YAG laser. The results of this study revealed an optimum density of laser energy (140 Jcm-2), at which improvement of osteointegration process was seen. Significant differences were found between arithmetical mean height (Ra), root mean square deviation (Rq) and texture orientation, all were lower for 140 Jcm-2 samples compared to untreated one. Also it was identified that the surface segments were more uniformly distributed with a more Gaussian distribution for treated samples at 140 Jcm-2. The distribution of texture orientation at high laser density (250 and 300 Jcm-2) were approximately similar to untreated sample. The skewness index that indicates how peaks and valleys are distributed throughout the surface showed a positive value for laser treated samples, compared to untreated one. The surface characterization revealed that Kurtosis index, which tells us how high or flat the surface profile is, for treated sample at 140 Jcm-2 was marginally close to 3 indicating flat peaks and valleys in the surface profile.
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Affiliation(s)
- Javad Tavakoli
- 1Biomechanics and Implants Research Group, The Medical Device Research Institute, College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, SA 5001 Australia
| | - Mohammad E Khosroshahi
- 2Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8 Canada
- MIS-Electronics, Nanobiophotonics and Biomedical Research Lab, Richmond Hill, ON L4B 1B4 Canada
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Effect of tetramethylpyrazine on tibial dyschondroplasia incidence, tibial angiogenesis, performance and characteristics via HIF-1α/VEGF signaling pathway in chickens. Sci Rep 2018; 8:2495. [PMID: 29410465 PMCID: PMC5802779 DOI: 10.1038/s41598-018-20562-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 01/22/2018] [Indexed: 01/14/2023] Open
Abstract
Tibial dyschodroplasia (TD) is a most common pathological condition in many avian species that is characterized by failure of growth plate (GP) modeling that leads to the persistence of avascular lesion in the GP. Tetramethylpyrazine (TMP) is widely used to treat neurovascular disorders and pulmonary hypertension, but no report is available about promoting effect of TMP against TD. Therefore, a total of 210 broiler chicks were equally divided into three groups; Control, TD and TMP. During the experiment mortality rate, chicken performance indicators (daily weight, average daily feed intake, average daily weight gain and feed conversion ratio), tibia bone indicators (weight, length, width of tibial and the size of GP) in addition to gene expression of HIF-1α and VEGF were examined. The results showed that TMP administration restore the GP width, increase growth performance, and mitigated the lameness in broiler chickens. The expression of HIF-1α and VEGF increased significantly in TD affected thiram induced chicks. Whereas, TMP treatment down-regulated HIF-1α and VEGF genes and proteins expressions. The present study demonstrates that the TMP plays an important role in angiogenesis during the impairment and recovery of GP in TD via regulation of the HIF-1α/VEGF signaling pathway in chickens.
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69
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Bose S, Robertson SF, Bandyopadhyay A. Surface modification of biomaterials and biomedical devices using additive manufacturing. Acta Biomater 2018; 66:6-22. [PMID: 29109027 PMCID: PMC5785782 DOI: 10.1016/j.actbio.2017.11.003] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 11/01/2017] [Accepted: 11/02/2017] [Indexed: 12/15/2022]
Abstract
The demand for synthetic biomaterials in medical devices, pharmaceutical products and, tissue replacement applications are growing steadily due to aging population worldwide. The use for patient matched devices is also increasing due to availability and integration of new technologies. Applications of additive manufacturing (AM) or 3D printing (3DP) in biomaterials have also increased significantly over the past decade towards traditional as well as innovative next generation Class I, II and III devices. In this review, we have focused our attention towards the use of AM in surface modified biomaterials to enhance their in vitro and in vivo performances. Specifically, we have discussed the use of AM to deliberately modify the surfaces of different classes of biomaterials with spatial specificity in a single manufacturing process as well as commented on the future outlook towards surface modification using AM. STATEMENT OF SIGNIFICANCE It is widely understood that the success of implanted medical devices depends largely on favorable material-tissue interactions. Additive manufacturing has gained traction as a viable and unique approach to engineered biomaterials, for both bulk and surface properties that improve implant outcomes. This review explores how additive manufacturing techniques have been and can be used to augment the surfaces of biomedical devices for direct clinical applications.
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Affiliation(s)
- Susmita Bose
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States.
| | - Samuel Ford Robertson
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
| | - Amit Bandyopadhyay
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
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70
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Osteochondral Angiogenesis and Promoted Vascularization: New Therapeutic Target. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1059:315-330. [DOI: 10.1007/978-3-319-76735-2_14] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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71
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Lu J, Yu H, Chen C. Biological properties of calcium phosphate biomaterials for bone repair: a review. RSC Adv 2018; 8:2015-2033. [PMID: 35542623 PMCID: PMC9077253 DOI: 10.1039/c7ra11278e] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 12/17/2017] [Indexed: 11/21/2022] Open
Abstract
This article reviews the recent advances and various factors affecting the improvement of the biological properties of calcium phosphate for bone repair.
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Affiliation(s)
- Jingyi Lu
- Shenzhen Research Institute of Shandong University
- Shenzhen 518057
- P. R. China
- Key Laboratory of High-Efficiency and Clean Mechanical Manufacture (Shandong University)
- Ministry of Education
| | - Huijun Yu
- Shenzhen Research Institute of Shandong University
- Shenzhen 518057
- P. R. China
- Key Laboratory of High-Efficiency and Clean Mechanical Manufacture (Shandong University)
- Ministry of Education
| | - Chuanzhong Chen
- Shenzhen Research Institute of Shandong University
- Shenzhen 518057
- P. R. China
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education)
- School of Materials Science and Engineering
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72
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Deng L, Li D, Yang Z, Xie X, Kang P. Repair of the calvarial defect in goat model using magnesium-doped porous hydroxyapatite combined with recombinant human bone morphogenetic protein-2. Biomed Mater Eng 2017; 28:361-377. [PMID: 28869424 DOI: 10.3233/bme-171678] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Hydroxyapatite (HA) is a representative bone repairing biomaterial for its similar composition to human bones and teeth. However, pure HA is limited in application for some unwanted characteristic, such as it is brickle and weakness in degradation. In this study, we modified HA by doping magnesium (Mg) to the material and studied its property in vitro. Besides, we also evaluated the calvarial defect repair effect using MgHA combined with rhBMP-2 in goat model. According to our outcomes, HA composited Mg made the scaffold smooth and the pore regular. In vitro study, Mg could increase the Ca releasing, which may reflect a faster degradation property modified by Mg. And then, MgHA improved the cell viability and proliferation. Furthermore, MgHA could increase the expression of ALP, Collagen I and VEGF protein compared with pure HA (p<0.5, respectively). In the vivo study, MgHA showed a better bone defect healing effect in computed tomography (CT) evaluation compared with HA (p<0.05), but it was inferior to the MgHA/rhBMP-2 (p<0.05). Besides, in the histological analysis, MgHA/rhBMP-2 showed the most effective bone formation outcome (p<0.05), and the MgHA group was significant better than the pure HA group on osteogenesis (p<0.05). Furthermore, Collagen I and VEGF mRNA expression at 12 week in MgHA/rhBMP-2 group were also significat higher than other two groups. In conclusion, Mg had effects on bone formation and angiogenesis, and MgHA/rhBMP-2 had improved the bone defect repair effect. It is worthy of being recommended to bone tissue engineering.
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Affiliation(s)
- Liqing Deng
- Department of Orthopaedics surgery, West China Hospital, Sichuan University, 37# Wainan Guoxue Road, Chengdu 610041, People's Republic of China. E-mails: , , , , .,Department of Orthopaedics surgery, Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, 20# Ximianqiaoheng street, Chengdu 610041, People's Republic of China
| | - Donghai Li
- Department of Orthopaedics surgery, West China Hospital, Sichuan University, 37# Wainan Guoxue Road, Chengdu 610041, People's Republic of China. E-mails: , , , ,
| | - Zhouyuan Yang
- Department of Orthopaedics surgery, West China Hospital, Sichuan University, 37# Wainan Guoxue Road, Chengdu 610041, People's Republic of China. E-mails: , , , ,
| | - Xiaowei Xie
- Department of Orthopaedics surgery, West China Hospital, Sichuan University, 37# Wainan Guoxue Road, Chengdu 610041, People's Republic of China. E-mails: , , , ,
| | - Pengde Kang
- Department of Orthopaedics surgery, West China Hospital, Sichuan University, 37# Wainan Guoxue Road, Chengdu 610041, People's Republic of China. E-mails: , , , ,
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73
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Three dimensionally printed bioactive ceramic scaffold osseoconduction across critical-sized mandibular defects. J Surg Res 2017; 223:115-122. [PMID: 29433862 DOI: 10.1016/j.jss.2017.10.027] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 08/09/2017] [Accepted: 10/11/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND Vascularized bone tissue transfer, commonly used to reconstruct large mandibular defects, is challenged by long operative times, extended hospital stay, donor-site morbidity, and resulting health care. 3D-printed osseoconductive tissue-engineered scaffolds may provide an alternative solution for reconstruction of significant mandibular defects. This pilot study presents a novel 3D-printed bioactive ceramic scaffold with osseoconductive properties to treat segmental mandibular defects in a rabbit model. METHODS Full-thickness mandibulectomy defects (12 mm) were created at the mandibular body of eight adult rabbits and replaced by 3D-printed ceramic scaffold made of 100% β-tricalcium phosphate, fit to defect based on computed tomography imaging. After 8 weeks, animals were euthanized, the mandibles were retrieved, and bone regeneration was assessed. Bone growth was qualitatively assessed with histology and backscatter scanning electron microscopy, quantified both histologically and with micro computed tomography and advanced 3D image reconstruction software, and compared to unoperated mandible sections (UMSs). RESULTS Histology quantified scaffold with newly formed bone area occupancy at 54.3 ± 11.7%, compared to UMS baseline bone area occupancy at 55.8 ± 4.4%, and bone area occupancy as a function of scaffold free space at 52.8 ± 13.9%. 3D volume occupancy quantified newly formed bone volume occupancy was 36.3 ± 5.9%, compared to UMS baseline bone volume occupancy at 33.4 ± 3.8%, and bone volume occupancy as a function of scaffold free space at 38.0 ± 15.4%. CONCLUSIONS 3D-printed bioactive ceramic scaffolds can restore critical mandibular segmental defects to levels similar to native bone after 8 weeks in an adult rabbit, critical sized, mandibular defect model.
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74
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Collagenous matrix supported by a 3D-printed scaffold for osteogenic differentiation of dental pulp cells. Dent Mater 2017; 34:209-220. [PMID: 29054688 DOI: 10.1016/j.dental.2017.10.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 09/24/2017] [Accepted: 10/02/2017] [Indexed: 01/09/2023]
Abstract
OBJECTIVE A systematic characterization of hybrid scaffolds, fabricated based on combinatorial additive manufacturing technique and freeze-drying method, is presented as a new platform for osteoblastic differentiation of dental pulp cells (DPCs). METHODS The scaffolds were consisted of a collagenous matrix embedded in a 3D-printed beta-tricalcium phosphate (β-TCP) as the mineral phase. The developed construct design was intended to achieve mechanical robustness owing to 3D-printed β-TCP scaffold, and biologically active 3D cell culture matrix pertaining to the Collagen extracellular matrix. The β-TCP precursor formulations were investigated for their flow-ability at various temperatures, which optimized for fabrication of 3D printed scaffolds with interconnected porosity. The hybrid constructs were characterized by 3D laser scanning microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and compressive strength testing. RESULTS The in vitro characterization of scaffolds revealed that the hybrid β-TCP/Collagen constructs offer superior DPCs proliferation and alkaline phosphatase (ALP) activity compared to the 3D-printed β-TCP scaffold over three weeks. Moreover, it was found that the incorporation of TCP into the Collagen matrix improves the ALP activity. SIGNIFICANCE The presented results converge to suggest the developed 3D-printed β-TCP/Collagen hybrid constructs as a new platform for osteoblastic differentiation of DPCs for craniomaxillofacial bone regeneration.
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75
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Hoover S, Tarafder S, Bandyopadhyay A, Bose S. Silver doped resorbable tricalcium phosphate scaffolds for bone graft applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 79:763-769. [PMID: 28629079 PMCID: PMC5609511 DOI: 10.1016/j.msec.2017.04.132] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 01/20/2023]
Abstract
Bone graft procedures, in particular maxillofacial repair, account for half of the orthopedic procedures done in the US each year. Infection is a major issue in surgery, and should be of primary concern when engineering biomaterials. Silver is of renewed importance today, as it has the ability to potentiate antibiotics against resistant bacterial strains. In order to reduce long term infection risks, it is necessary for the scaffold to maintain a silver ion release for the length of the healing process. In this study, silver doped porous β-tricalcium phosphate (β-TCP) scaffolds were engineered using liquid porogen based method with the goal of meeting these requirements. Silver was added to the β-TCP at three different dopant levels: 0.5wt% Ag2O, 1wt% Ag2O and 2wt% Ag2O. Immersion in pH5 acetate buffer over a 60day period resulted in a total cumulative ion release between 32 and 54μM for dense control scaffolds, and between 80 and 90μM for porous scaffolds. Porosity increased the dissolution rate of the scaffolds by a factor of 2. Human osteoblast cell lines were grown on the scaffolds to measure cytotoxicity and cell proliferation. Porosity increased osteoconduction by doubling the cell growth, and there was no significant cytotoxic effect even for the 2wt% Ag2O, as cells were observed on all the samples. Our results showed that silver can be released over a long period without compromising the biocompatibility of the scaffolds.
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Affiliation(s)
- Sean Hoover
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA
| | - Solaiman Tarafder
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA
| | - Amit Bandyopadhyay
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA
| | - Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA.
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76
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Kotelnikov GP, Kolsanov AV, Volova LT, Ponomareva YV, Nikolayenko AN, Prikhodko SA, Popov NV, Shcherbovskikh AE. [Preclinical tests of additive materials for personified endoprostheses of hand joints]. Khirurgiia (Mosk) 2017:71-73. [PMID: 28914836 DOI: 10.17116/hirurgia2017971-73] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
AIM To evaluate the biocompatibility of additive materials for personified endoprostheses of hand joints in vivo. MATERIAL AND METHODS We tested a material based on titanium that was implanted into muscles and bone tissue in experiment on rabbits. Follow-up was 30 and 90 days. RESULTS Implantation into muscle tissue is accompanied by reaction against foreign body followed by fibrosis without concomitant inflammation. Induction of osteogenesis and trabecular structures remodeling were detected after implantation into bone tissue. CONCLUSION Biocompatibility of tested titanium-based material was confirmed.
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Affiliation(s)
- G P Kotelnikov
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - A V Kolsanov
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - L T Volova
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - Yu V Ponomareva
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - A N Nikolayenko
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - S A Prikhodko
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - N V Popov
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
| | - A E Shcherbovskikh
- Samara State Medical University, Ministry of Healthcare of the Russian Federation, Samara, Russia
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77
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The Angiogenic Potential of DPSCs and SCAPs in an In Vivo Model of Dental Pulp Regeneration. Stem Cells Int 2017; 2017:2582080. [PMID: 29018483 PMCID: PMC5605798 DOI: 10.1155/2017/2582080] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/04/2017] [Accepted: 07/13/2017] [Indexed: 12/22/2022] Open
Abstract
Adequate vascularization, a restricting factor for the survival of engineered tissues, is often promoted by the addition of stem cells or the appropriate angiogenic growth factors. In this study, human dental pulp stem cells (DPSCs) and stem cells from the apical papilla (SCAPs) were applied in an in vivo model of dental pulp regeneration in order to compare their regenerative potential and confirm their previously demonstrated paracrine angiogenic properties. 3D-printed hydroxyapatite scaffolds containing DPSCs and/or SCAPs were subcutaneously transplanted into immunocompromised mice. After twelve weeks, histological and ultrastructural analysis demonstrated the regeneration of vascularized pulp-like tissue as well as mineralized tissue formation in all stem cell constructs. Despite the secretion of vascular endothelial growth factor in vitro, the stem cell constructs did not display a higher vascularization rate in comparison to control conditions. Similar results were found after eight weeks, which suggests both osteogenic/odontogenic differentiation of the transplanted stem cells and the promotion of angiogenesis in this particular setting. In conclusion, this is the first study to demonstrate the successful formation of vascularized pulp-like tissue in 3D-printed scaffolds containing dental stem cells, emphasizing the promising role of this approach in dental tissue engineering.
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Schwartz AM, Schenker ML, Ahn J, Willett NJ. Building better bone: The weaving of biologic and engineering strategies for managing bone loss. J Orthop Res 2017; 35:1855-1864. [PMID: 28467648 DOI: 10.1002/jor.23592] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 04/24/2017] [Indexed: 02/04/2023]
Abstract
Segmental bone loss remains a challenging clinical problem for orthopaedic trauma surgeons. In addition to the missing bone itself, the local tissues (soft tissue, vascular) are often highly traumatized as well, resulting in a less than ideal environment for bone regeneration. As a result, attempts at limb salvage become a highly expensive endeavor, often requiring multiple operations and necessitating the use of every available strategy (autograft, allograft, bone graft substitution, Masquelet, bone transport, etc.) to achieve bony union. A cost-sensitive, functionally appropriate, and volumetrically adequate engineered substitute would be practice-changing for orthopaedic trauma surgeons and these patients with difficult clinical problems. In tissue engineering and bone regeneration fields, numerous research efforts continue to make progress toward new therapeutic interventions for segmental bone loss, including novel biomaterial development as well as cell-based strategies. Despite an ever-evolving literature base of these new therapeutic and engineered options, there remains a disconnect with the clinical practice, with very few translating into clinical use. A symposium entitled "Building better bone: The weaving of biologic and engineering strategies for managing bone loss," was presented at the 2016 Orthopaedic Research Society Conference to further explore this engineering-clinical disconnect, by surveying basic, translational, and clinical researchers along with orthopaedic surgeons and proposing ideas for pushing the bar forward in the field of segmental bone loss. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1855-1864, 2017.
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Affiliation(s)
| | - Mara L Schenker
- Department of Orthopaedics, Emory University, Decatur, Georgia
| | - Jaimo Ahn
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nick J Willett
- Department of Orthopaedics, Emory University, Decatur, Georgia.,Atlanta Veteran's Affairs Medical Center, Decatur, Georgia.,Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia.,Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia
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Byambaa B, Annabi N, Yue K, de Santiago GT, Alvarez MM, Jia W, Kazemzadeh-Narbat M, Shin SR, Tamayol A, Khademhosseini A. Bioprinted Osteogenic and Vasculogenic Patterns for Engineering 3D Bone Tissue. Adv Healthc Mater 2017; 6:10.1002/adhm.201700015. [PMID: 28524375 PMCID: PMC11034848 DOI: 10.1002/adhm.201700015] [Citation(s) in RCA: 234] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/03/2017] [Indexed: 12/12/2022]
Abstract
Fabricating 3D large-scale bone tissue constructs with functional vasculature has been a particular challenge in engineering tissues suitable for repairing large bone defects. To address this challenge, an extrusion-based direct-writing bioprinting strategy is utilized to fabricate microstructured bone-like tissue constructs containing a perfusable vascular lumen. The bioprinted constructs are used as biomimetic in vitro matrices to co-culture human umbilical vein endothelial cells and bone marrow derived human mesenchymal stem cells in a naturally derived hydrogel. To form the perfusable blood vessel inside the bioprinted construct, a central cylinder with 5% gelatin methacryloyl (GelMA) hydrogel at low methacryloyl substitution (GelMALOW ) was printed. We also develop cell-laden cylinder elements made of GelMA hydrogel loaded with silicate nanoplatelets to induce osteogenesis, and synthesized hydrogel formulations with chemically conjugated vascular endothelial growth factor to promote vascular spreading. It was found that the engineered construct is able to support cell survival and proliferation during maturation in vitro. Additionally, the whole construct demonstrates high structural stability during the in vitro culture for 21 days. This method enables the local control of physical and chemical microniches and the establishment of gradients in the bioprinted constructs.
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Affiliation(s)
- Batzaya Byambaa
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Nasim Annabi
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115-5000, USA
| | - Kan Yue
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Grissel Trujillo de Santiago
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Mario Moisés Alvarez
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey at Monterrey, CP 64849, Monterrey, Nuevo León, México
| | - Weitao Jia
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Orthopedic Surgery, Shanghai Jiaotong University Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, Shanghai 200233, P.R. China
| | - Mehdi Kazemzadeh-Narbat
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Su Ryon Shin
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Ali Tamayol
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Ali Khademhosseini
- Biomaterials Innovation Research Center, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
- Department of Physics, King Abdulaziz University, Jeddah 21569, Saudi Arabia
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, Japan
- Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul, Republic of Korea
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Adepu S, Dhiman N, Laha A, Sharma CS, Ramakrishna S, Khandelwal M. Three-dimensional bioprinting for bone tissue regeneration. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2017. [DOI: 10.1016/j.cobme.2017.03.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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