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Xiong Z, Cui W, Sun T, Teng Y, Qu Y, Yang L, Zhou J, Chen K, Yao S, Shao Z, Guo X. Sustained delivery of PlGF-2 123-144*-fused BMP2-related peptide P28 from small intestinal submucosa/polylactic acid scaffold material for bone tissue regeneration. RSC Adv 2020; 10:7289-7300. [PMID: 35493905 PMCID: PMC9049782 DOI: 10.1039/c9ra07868a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 02/09/2020] [Indexed: 12/18/2022] Open
Abstract
Bone morphogenetic protein 2 (BMP-2) is one of the most important factors for bone tissue formation. However, its use over the past decade has been associated with numerous side effects. This is due to the fact that recombinant human (rh) BMP-2 has several biological functions, as well as that non-physiological high dosages were commonly administered. In this study, we synthesized a novel BMP-2-related peptide (designated P28) and fused a mutant domain in placenta growth factor-2 (PlGF-2123-144*) that allowed for the "super-affinity" of extracellular matrix proteins to P28, effectively controlling the release of low dosage P28 from small intestinal submucosa/polylactic acid (SIS/PLA) scaffolds. These have been shown to be excellent scaffold materials both in vivo and in vitro. The aim of this study was to determine whether these scaffolds could support the controlled release of P28 over time, and whether the composite materials could serve as structurally and functionally superior bone substitutes in vivo. Our results demonstrated that P28 could be released slowly from SIS/PLA to promote the adhesion, proliferation, and differentiation of bone marrow stromal cells (BMSCs) in vitro. In vivo, radiographic and histological examination showed that SIS/PLA/P28/PlGF-2123-144* completely repaired critical-size bone defects, compared to SIS/PLA, SIS/PLA/PlGF-2123-144*, or SIS/PLA/P28 alone. These findings suggest that this controlled release system may have promising clinical applications in bone tissue engineering.
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Affiliation(s)
- Zekang Xiong
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Wei Cui
- Department of Orthopedics, Wuhan Fourth Hospital, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan 430000 People's Republic of China
| | - Tingfang Sun
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Yu Teng
- Department of Orthopedics, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology Wuhan 430014 People's Republic of China
| | - Yanzhen Qu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Liang Yang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Jinge Zhou
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Kaifang Chen
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Sheng Yao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Zengwu Shao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 People's Republic of China +86 15327216660
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Abstract
Bone morphogenetic proteins (BMPs) constitute the largest subdivision of the transforming growth factor (TGF)-β family of ligands and exert most of their effects through the canonical effectors Smad1, 5, and 8. Appropriate regulation of BMP signaling is critical for the development and homeostasis of numerous human organ systems. Aberrations in BMP pathways or their regulation are increasingly associated with diverse human pathologies, and there is an urgent and growing need to develop effective approaches to modulate BMP signaling in the clinic. In this review, we provide a wide perspective on diseases and/or conditions associated with dysregulated BMP signal transduction, outline the current strategies available to modulate BMP pathways, highlight emerging second-generation technologies, and postulate prospective avenues for future investigation.
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Affiliation(s)
- Jonathan W Lowery
- Division of Biomedical Science, Marian University College of Osteopathic Medicine, Indianapolis, Indiana 46222
| | - Vicki Rosen
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, Massachusetts 02115
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Cui W, Sun G, Qu Y, Xiong Y, Sun T, Ji Y, Yang L, Shao Z, Ma J, Zhang S, Guo X. Repair of rat calvarial defects using Si-doped hydroxyapatite scaffolds loaded with a bone morphogenetic protein-2-related peptide. J Orthop Res 2016; 34:1874-1882. [PMID: 26909759 DOI: 10.1002/jor.23208] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 02/17/2016] [Indexed: 02/06/2023]
Abstract
Tissue engineering promises therapies ideal for treating conventional large bone injuries and defects. In the present study, we developed a novel Si-HA scaffold loaded with a synthetic BMP-2-related peptide, P28, and tested its ability to repair a critical-sized calvarial defect. We created a calvarial defect (5 mm in diameter) in the parietal bone of 32 rats and implanted one of the following biomaterials: No implant (control), Si-HA, P28/Si-HA, or rhBMP-2/Si-HA. As assessed by micro CT imaging and histological evaluations, the P28/Si-HA scaffold promoted bone recovery to a similar degree as the rhBMP-2/Si-HA scaffold. In addition, both P28/Si-HA and rhBMP-2/Si-HA promoted recovery better than Si-HA alone. The novel P28/Si-HA scaffold might represent a promising biomaterial for future bone tissue engineering applications. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:1874-1882, 2016.
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Affiliation(s)
- Wei Cui
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Guangfei Sun
- Advanced Biomaterials and Tissue Engineering Center, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Yanzhen Qu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Yi Xiong
- Department of Orthopedics, Central hospital of Enshi, Enshi, 445000, People's Republic of China
| | - Tingfang Sun
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Yanhui Ji
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Liang Yang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Zengwu Shao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Jun Ma
- Advanced Biomaterials and Tissue Engineering Center, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Shengmin Zhang
- Advanced Biomaterials and Tissue Engineering Center, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
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A Survey of Strategies to Modulate the Bone Morphogenetic Protein Signaling Pathway: Current and Future Perspectives. Stem Cells Int 2016; 2016:7290686. [PMID: 27433166 PMCID: PMC4940573 DOI: 10.1155/2016/7290686] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 05/24/2016] [Indexed: 12/14/2022] Open
Abstract
Bone morphogenetic proteins (BMPs) constitute the largest subdivision of the TGF-β family of ligands and are unequivocally involved in regulating stem cell behavior. Appropriate regulation of canonical BMP signaling is critical for the development and homeostasis of numerous human organ systems, as aberrations in the BMP pathway or its regulation are increasingly associated with diverse human pathologies. In this review, we provide a wide-perspective on strategies that increase or decrease BMP signaling. We briefly outline the current FDA-approved approaches, highlight emerging next-generation technologies, and postulate prospective avenues for future investigation. We also detail how activating other pathways may indirectly modulate BMP signaling, with a particular emphasis on the relationship between the BMP and Activin/TGF-β pathways.
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Bruinink A, Luginbuehl R. Evaluation of biocompatibility using in vitro methods: interpretation and limitations. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2014; 126:117-52. [PMID: 21989487 DOI: 10.1007/10_2011_111] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The in vitro biocompatibility of novel materials has to be proven before a material can be used as component of a medical device. This must be done in cell culture tests according to internationally recognized standard protocols. Subsequently, preclinical and clinical tests must be performed to verify the safety of the new material and device. The present chapter focuses on the first step, the in vitro testing according to ISO 10993-5, and critically discusses its limited significance. Alternative strategies and a brief overview of activities to improve the current in vitro tests are presented in the concluding section.
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Affiliation(s)
- Arie Bruinink
- Laboratory for Materials - Biology Interactions, Empa - Materials Science and Technology, Lerchenfeldstasse 5, CH-9014 St, Gallen, Switzerland,
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Zhang X, Guo WG, Cui H, Liu HY, Zhang Y, Müller WEG, Cui FZ. In vitro and in vivo enhancement of osteogenic capacity in a synthetic BMP-2 derived peptide-coated mineralized collagen composite. J Tissue Eng Regen Med 2013; 10:99-107. [PMID: 23364810 DOI: 10.1002/term.1705] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 11/08/2012] [Accepted: 12/20/2012] [Indexed: 01/27/2023]
Abstract
Enhancement of osteogenic capacity was achieved in a mineralized collagen composite, nano-hydroxyapatite/collagen (nHAC), by loading with synthetic peptides derived from BMP-2 residues 32-48 (P17-BMP-2). Rabbit marrow stromal cells (MSCs) were used in vitro to study cell biocompatibility, attachment and differentiation on the mineralized collagen composite by a cell counting kit, scanning electron microscopy (SEM) and real-time reversed transcriptase-polymerase chain reaction analysis (RT-PCR). Optimal peptide dosage (1.0 µg/mL) was obtained by RT-PCR analysis in vitro. In addition, the relative expression level of OPN and OCN was significantly upregulated on P17-BMP-2/nHAC compared with nHAC. In vitro results of P17-BMP-2 release kinetics demonstrated that nHAC released P17-BMP-2 in a controlled and sustained manner. In the rabbit mandibular box-shaped bone defect model, osteogenic capacity of three groups (nHAC, P17-BMP-2/nHAC, rhBMP-2/nHAC) was evaluated. Compared to the nHAC group, bone repair responses in both P17-BMP-2/nHAC and rhBMP-2/nHAC group implants were significantly improved based on histological analysis. The osteogenic response of the P17-BMP-2/nHAC group was similar to that of the rhBMP-2/nHAC group.
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Affiliation(s)
- Xue Zhang
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, 110001, China
| | - Wen-Guang Guo
- Beijing Allgens Medical Science & Technology Company, Beijing, 100085, China
| | - Helen Cui
- Beijing Allgens Medical Science & Technology Company, Beijing, 100085, China
| | - Huan-Ye Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, 110001, China
| | - Yang Zhang
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, 110001, China
| | - Werner E G Müller
- Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University Mainz, Duesbergweg 6, D-55128, Mainz, Germany
| | - Fu-Zhai Cui
- Institute of Regenerative Medical Materials, Department of Materials Science & Engineering, Tsinghua University, Beijing, 100084, China
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Choi YS, Lee JY, Suh JS, Lee G, Chung CP, Park YJ. The mineralization inducing peptide derived from dentin sialophosphoprotein for bone regeneration. J Biomed Mater Res A 2012; 101:590-8. [DOI: 10.1002/jbm.a.34352] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Revised: 05/11/2012] [Accepted: 05/23/2012] [Indexed: 11/11/2022]
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Choi YJ, Lee JY, Chung CP, Park YJ. Enhanced osteogenesis by collagen-binding peptide from bone sialoproteinin vitroandin vivo. J Biomed Mater Res A 2012; 101:547-54. [DOI: 10.1002/jbm.a.34356] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Revised: 05/08/2012] [Accepted: 05/25/2012] [Indexed: 11/11/2022]
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Chang PC, Chung MC, Lei C, Chong LY, Wang CH. Biocompatibility of PDGF-simvastatin double-walled PLGA (PDLLA) microspheres for dentoalveolar regeneration: A preliminary study. J Biomed Mater Res A 2012; 100:2970-8. [DOI: 10.1002/jbm.a.34244] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 04/06/2012] [Accepted: 05/01/2012] [Indexed: 01/09/2023]
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Yoo JJ, Park YJ, Rhee SH, Chun HJ, Kim HJ. Synthetic peptide-conjugated titanium alloy for enhanced bone formation in vivo. Connect Tissue Res 2012; 53:359-65. [PMID: 22313291 DOI: 10.3109/03008207.2012.663837] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
There are growing demands for bioactive titanium implants that could shorten the healing period, promote faster rehabilitation, and thereby increase the success rate of treating patients with poor bone quality. A synthetic receptor-binding peptide mimicking bone morphogenetic protein-2 (BMP-2) was covalently linked to a titanium alloy with two types of topography--machined (TiMA) and rough (TiGB)--by using a chemical conjugation process. In vivo osseointegration capacity was evaluated chronologically using histomorphometric analysis at 2, 4, and 8 weeks after implantation in the distal femurs of rabbits. In the histologic examinations, peri-implant bone formation was more active around TiGB than TiMA. Compared to the control groups (nonconjugated TiMA and TiGB) at 2, 4, and 8 weeks, the peptide-conjugated groups (TiMA-P and TiGB-P) had more mature new bone, thicker trabeculae, more rapid bone maturation, and higher affinity index (percentage of new bone contact length) in histomorphometric analysis. Particularly, differences in the affinity index between the peptide-conjugated and nonconjugated groups were more pronounced at the early phase of peri-implant healing (2 and 4 weeks). However, at 8 weeks, enhanced bone formation was less prominent according to peptide conjugation, especially in specimens with a rough surface. The titanium alloys in the rabbit femurs led to a significant increase of bone growth when modified with bioactive peptides, especially during the early phase of bone healing. These results confirm that biochemical modifications of titanium surfaces can enhance the rate of bone healing compared with that of untreated titanium surfaces.
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Affiliation(s)
- Jeong Joon Yoo
- Department of Orthopaedic Surgery, College of Medicine, Seoul National University, Jongno-gu, Seoul 110-744, South Korea
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Is macroporosity absolutely required for preliminary in vitro bone biomaterial study? A comparison between porous materials and flat materials. J Funct Biomater 2011; 2:308-37. [PMID: 24956447 PMCID: PMC4030915 DOI: 10.3390/jfb2040308] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2011] [Revised: 10/19/2011] [Accepted: 10/26/2011] [Indexed: 12/16/2022] Open
Abstract
Porous materials are highly preferred for bone tissue engineering due to space for blood vessel ingrowth, but this may introduce extra experimental variations because of the difficulty in precise control of porosity. In order to decide whether it is absolutely necessary to use porous materials in in vitro comparative osteogenesis study of materials with different chemistries, we carried out osteoinductivity study using C3H/10T1/2 cells, pluripotent mesenchymal stem cells (MSCs), on seven material types: hydroxyapatite (HA), α-tricalcium phosphate (α-TCP) and b-tricalcium phosphate (β-TCP) in both porous and dense forms and tissue culture plastic. For all materials under test, dense materials give higher alkaline phosphatase gene (Alp) expression compared with porous materials. In addition, the cell density effects on the 10T1/2 cells were assessed through alkaline phosphatase protein (ALP) enzymatic assay. The ALP expression was higher for higher initial cell plating density and this explains the greater osteoinductivity of dense materials compared with porous materials for in vitro study as porous materials would have higher surface area. On the other hand, the same trend of Alp mRNA level (HA > β-TCP > α-TCP) was observed for both porous and dense materials, validating the use of dense flat materials for comparative study of materials with different chemistries for more reliable comparison when well-defined porous materials are not available. The avoidance of porosity variation would probably facilitate more reproducible results. This study does not suggest porosity is not required for experiments related to bone regeneration application, but emphasizes that there is often a tradeoff between higher clinical relevance, and less variation in a less complex set up, which facilitates a statistically significant conclusion. Technically, we also show that the base of normalization for ALP activity may influence the conclusion and there may be ALP activity from serum, necessitating the inclusion of "no cell" control in ALP activity assay with materials. These explain the opposite conclusions drawn by different groups on the effect of porosity.
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Lee CK, Koo KT, Park YJ, Lee JY, Rhee SH, Ku Y, Rhyu IC, Chung CP. Biomimetic surface modification using synthetic oligopeptides for enhanced guided bone regeneration in beagles. J Periodontol 2011; 83:101-10. [PMID: 21542731 DOI: 10.1902/jop.2011.110040] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND In previous studies, oligopeptide corresponding to the cell-binding domains of bone morphogenetic proteins that bind to bone morphogenetic protein receptor enhanced the bone regenerative capacity of bovine bone minerals (BBM). The aim of this study is to evaluate the ability of BBM coated with oligopeptide to promote periodontal regeneration in a 1-wall intrabony defect model in dogs. METHODS The second and third mandibular premolars and first molars of six adult beagles were extracted bilaterally, and the extraction sites were allowed to heal for 10 weeks. The 1-wall intrabony defects were prepared bilaterally on the mesial and distal side of the fourth mandibular premolars. Twenty-four intrabony defects were assigned to four treatment groups: 1) open flap debridement; 2) guided tissue regeneration (GTR); 3) GTR with a collagen membrane and BBM; and 4) GTR with a collagen membrane and BBM coated with the oligopeptide (Pep-BBM). The animals were sacrificed 10 weeks after surgery. For the histometric analysis, defect height, junctional epithelium migration, new cementum, new bone height, and new bone area were measured. New bone volume was measured using microcomputed tomography. RESULTS Wound healing was generally uneventful. For junctional epithelium migration, the BBM and Pep-BBM groups exhibited mean (± SE) values of 0.53 ± 0.41 and 0.48 ± 0.30 mm, and for new cementum height, 1.71 ± 0.46 and 2.50 ± 2.00 mm, respectively. For junctional epithelium migration and cementum regeneration, there were no significant differences between the two groups. The mean (± SE) values of new bone height and new bone volume in the Pep-BBM group (3.88 ± 0.31 mm and 32.35% ± 9.60%) were significantly greater than the mean values for the BBM group (2.60 ± 0.41 mm and 20.56% ± 1.89%). For bone regeneration, the Pep-BBM group showed superior results compared to the BBM group with statistically significant differences. CONCLUSIONS Through various parameters to evaluate periodontal regeneration, this oligopeptide coating influenced only the ability of BBM to promote bone regeneration in 1-wall intrabony defects in beagles. Junctional epithelium migration and cementum regeneration were not affected by this oligopeptide coating, and further investigations with special focus on regeneration of the periodontal ligament are necessary.
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Affiliation(s)
- Chang-Kyun Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea
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Senta H, Bergeron E, Drevelle O, Park H, Faucheux N. Combination of synthetic peptides derived from bone morphogenetic proteins and biomaterials for medical applications. CAN J CHEM ENG 2011. [DOI: 10.1002/cjce.20453] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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