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Cheng CT, Vyas PS, McClain EJ, Hoelen TCA, Arts JJC, McLaughlin C, Altman DT, Yu AK, Cheng BC. The Osteogenic Peptide P-15 for Bone Regeneration: A Narrative Review of the Evidence for a Mechanism of Action. Bioengineering (Basel) 2024; 11:599. [PMID: 38927835 PMCID: PMC11200470 DOI: 10.3390/bioengineering11060599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/22/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Bone regeneration is a complex multicellular process involving the recruitment and attachment of osteoprogenitors and their subsequent differentiation into osteoblasts that deposit extracellular matrixes. There is a growing demand for synthetic bone graft materials that can be used to augment these processes to enhance the healing of bone defects resulting from trauma, disease or surgery. P-15 is a small synthetic peptide that is identical in sequence to the cell-binding domain of type I collagen and has been extensively demonstrated in vitro and in vivo to enhance the adhesion, differentiation and proliferation of stem cells involved in bone formation. These events can be categorized into three phases: attachment, activation and amplification. This narrative review summarizes the large body of preclinical research on P-15 in terms of these phases to describe the mechanism of action by which P-15 improves bone formation. Knowledge of this mechanism of action will help to inform the use of P-15 in clinical practice as well as the development of methods of delivering P-15 that optimize clinical outcomes.
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Affiliation(s)
- Cooper T. Cheng
- Neuroscience Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (C.T.C.); (P.S.V.); (C.M.)
| | - Praveer S. Vyas
- Neuroscience Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (C.T.C.); (P.S.V.); (C.M.)
| | - Edward James McClain
- Neuroscience Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (C.T.C.); (P.S.V.); (C.M.)
| | - Thomáy-Claire Ayala Hoelen
- Department of Orthopedic Surgery and CAPHRI Research School, Maastricht University Medical Center (MUMC+), P.O. Box 616 Maastricht, The Netherlands; (T.-C.A.H.); (J.J.C.A.)
| | - Jacobus Johannes Chris Arts
- Department of Orthopedic Surgery and CAPHRI Research School, Maastricht University Medical Center (MUMC+), P.O. Box 616 Maastricht, The Netherlands; (T.-C.A.H.); (J.J.C.A.)
| | - Colin McLaughlin
- Neuroscience Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (C.T.C.); (P.S.V.); (C.M.)
| | - Daniel T. Altman
- Department of Orthopaedic Surgery, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA;
| | - Alexander K. Yu
- Department of Neurosurgery, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA;
| | - Boyle C. Cheng
- Neuroscience Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (C.T.C.); (P.S.V.); (C.M.)
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Pan S, Yin Z, Shi C, Xiu H, Wu G, Heng Y, Zhu Z, Zhang J, Gui J, Yu Z, Liang B. Multifunctional Injectable Hydrogel Microparticles Loaded with miR-29a Abundant BMSCs Derived Exosomes Enhanced Bone Regeneration by Regulating Osteogenesis and Angiogenesis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306721. [PMID: 38018340 DOI: 10.1002/smll.202306721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 10/28/2023] [Indexed: 11/30/2023]
Abstract
The study investigated whether both the osteogenic and angiogenic potential of Exos (Exosomes) can be enhanced by overexpression of exosomal miRNA (microRNA) and to confirm whether Exos loaded in HMPs (Hydrogel microparticles) exert long-term effects during new bone formation. BMSCs and Exos are successfully obtained. In vitro and in vivo experiments confirmed that HDAC4 (Histone deacetylase 4) is inhibited by miR-29a overexpression accompanied by the upregulation of RUNX2 (Runt-related transcription factor 2) and VEGF (Vascular Endothelial Growth Factor), thereby enhancing osteogenic and angiogenic capabilities. The HMP@Exo system is synthesized from HB-PEGDA (Hyperbranched Poly Ethylene Glycol Diacrylate)- and SH-HA (Sulfhydryl-Modified Hyaluronic Acid)-containing Exos using a microfluidic technique. The HMP surface is modified with RGD (Arg-Gly-Asp) peptides to enhance cell adhesion. The system demonstrated good injectability, remarkable compatibility, outstanding cell adhesion properties, and slow degradation capacity, and the sustained release of Agomir-29a-Exos (Exosomes derived from Agomir-29a transfected BMSCs) from HMPs enhanced the proliferation and migration of BMSCs and HUVECs (Human Umbilical Vein Endothelial Cells) while promoting osteogenesis and angiogenesis. Overall, the findings demonstrate that the HMP@Exo system can effectively maintain the activity and half-life of Exos, accompanied by overexpression of miR-29a (microRNA-29a). The injectable system provides an innovative approach for accelerating fracture healing by coupling osteogenesis and angiogenesis.
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Affiliation(s)
- Shaowei Pan
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
| | - Zhaowei Yin
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
| | - Chen Shi
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
| | - Haonan Xiu
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
| | - Guanfu Wu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing, 211816, P. R. China
| | - Yongyuan Heng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing, 211816, P. R. China
| | - Zhangyu Zhu
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
| | - Jing Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing, 211816, P. R. China
| | - Jianchao Gui
- Sports Medicine and Joint Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, P. R. China
| | - Ziyi Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 30 Puzhu South Road, Nanjing, 211816, P. R. China
| | - Bin Liang
- Department of Orthopaedics, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, P. R. China
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Naveiro JM, Gracia L, Roces J, Albareda J, Puértolas S. Three-Dimensional Computational Model Simulating the Initial Callus Growth during Fracture Healing in Long Bones: Application to Different Fracture Types. Bioengineering (Basel) 2023; 10:bioengineering10020190. [PMID: 36829684 PMCID: PMC9952223 DOI: 10.3390/bioengineering10020190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/19/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Bone fractures are among the most common and potentially serious injuries to the skeleton, femoral shaft fractures being especially severe. Thanks to recent advances in the area of in silico analysis, several approximations of the bone healing process have been achieved. In this context, the objective of this work was to simulate the initial phase of callus formation in long bones, without a pre-meshed domain in the 3D space. A finite element approach was computationally implemented to obtain the values of the cell concentrations along the whole domain and evaluate the areas where the biological quantities reached the thresholds necessary to trigger callus growth. A voxel model was used to obtain the 3D domain of the bone fragments and callus. A mesh growth algorithm controlled the addition of new elements to the domain at each step of the iterative procedure until complete callus formation. The implemented approach is able to reproduce the generation of the primary callus, which corresponds to the initial phase of fracture healing, independently of the fracture type and complexity, even in the case of several bone fragments. The proposed approach can be applied to the most complex bone fractures such as oblique, severely comminuted or spiral-type fractures, whose simulation remains hardly possible by means of the different existing approaches available to date.
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Affiliation(s)
- José M. Naveiro
- Department of Mechanical Engineering, University of Zaragoza, 50018 Zaragoza, Spain
- Aragón Institute for Engineering Research, 50018 Zaragoza, Spain
| | - Luis Gracia
- Department of Mechanical Engineering, University of Zaragoza, 50018 Zaragoza, Spain
- Aragón Institute for Engineering Research, 50018 Zaragoza, Spain
| | - Jorge Roces
- Department of Construction and Manufacturing Engineering, University of Oviedo, 33204 Gijón, Spain
| | - Jorge Albareda
- Department of Surgery, University of Zaragoza, 50009 Zaragoza, Spain
- Aragón Health Research Institute, 50009 Zaragoza, Spain
| | - Sergio Puértolas
- Department of Mechanical Engineering, University of Zaragoza, 50018 Zaragoza, Spain
- Aragón Institute for Engineering Research, 50018 Zaragoza, Spain
- Correspondence:
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