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Advancing Regenerative Medicine Through the Development of Scaffold, Cell Biology, Biomaterials and Strategies of Smart Material. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00227-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Gu T, Shi Z, Wang C, Chen C, Wu J, Wang D, Xu C, Qing H, Dike R. Human bone morphogenetic protein 7 transfected nucleus pulposus cells delay the degeneration of intervertebral disc in dogs. J Orthop Res 2017. [PMID: 26218641 DOI: 10.1002/jor.22995] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The main reason for intervertebral disc (IVD) degeneration is the decrease in the quantity and activity of IVD cells with subsequent reduction of the extracellular matrix (ECM). In this study, we investigated a cell-based repair strategy by injecting nucleus pulposus cells (NPCs) transduced with human bone morphogenetic protein (hBMP7) by adeno-associated virus-2 into the canine degenerative IVD to determine whether NPCs expressing hBMP7 could delay the degeneration of the IVD. Fourteen canines received annular punctures to induce disc degeneration. Eight weeks later, saline (group A), allogeneic NPCs (group B), or allogeneic NPCs transduced with hBMP7 (group C) were injected into the degenerative discs. Twelve weeks after the injection, MRI scan showed that the degeneration process of groups C was slower and less severe compared with that of groups B and C. The IVD stability in group C was superior to that in groups A and B in left-right bending and rotation. HE, safranin-O staining, and ELISA indicated that the degenerative degree of the IVD in group C was significantly milder than that in groups A and B. The study demonstrated that the implantation of NPCs-hBMP7 could effectively maintained the structural integrity, ECM, and biomechanical properties of the canine degenerated discs. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1311-1322, 2017.
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Affiliation(s)
- Tao Gu
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Zhiyuan Shi
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Chaofeng Wang
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Chun Chen
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Jianhong Wu
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Deli Wang
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Cheng Xu
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - He Qing
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
| | - Ruan Dike
- Department of Orthopedic Surgery, Navy General Hospital, Fucheng Road No. 6, Haidian District, Beijing, China
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Zhou Q, Xu C, Cheng X, Liu Y, Yue M, Hu M, Luo D, Niu Y, Ouyang H, Ji J, Hu H. Platelets promote cartilage repair and chondrocyte proliferation via ADP in a rodent model of osteoarthritis. Platelets 2015; 27:212-22. [PMID: 26325015 DOI: 10.3109/09537104.2015.1075493] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Osteoarthritis (OA) is the most common age-related degenerative joint disease and platelet-rich plasma (PRP) has been shown to be beneficial in OA. Therefore, in this study, we aimed to investigate the effects of platelets on chondrocytes and the underlying mechanisms. Anabolic and catabolic activity and the proliferation rate of chondrocytes were evaluated after co-culture with platelets. Chondrocyte gene expression was measured by real-time PCR. Chondrocyte protein expression and phosphorylation were measured by western blot. Chondrocytes treated with or without platelets were transplanted into a rat model of OA induced by intra-articular injection of monosodium iodoacetate and the repair of articular cartilage was evaluated macroscopically and histologically. Platelets significantly promoted the proliferation of chondrocytes, while mildly influencing anabolic and catabolic activity. Chondrocytes co-cultured with platelets showed significantly increased production of bone morphogenetic protein 7 (BMP7). The autocrine/paracrine effect of BMP7 was responsible for the increased proliferation of chondrocytes, via the ERK/CDK1/cyclin B1 signaling pathway. Transplantation of platelet-treated chondrocytes showed better cartilage repair in the OA model. Platelet-derived ADP was identified as the major mediator to promote the production of BMP7 and the proliferation of chondrocytes, through the ADP receptor P2Y1. Finally, direct injection of α,β-methyleneadenosine-5'-diphosphate into OA joints also enhanced cartilage repair. This study has identified that platelet-derived ADP, but not ATP, is the key mediator for platelet-promoted chondrocyte proliferation and cartilage repair in osteoarthritis. This finding may provide a key explanation for the therapeutic effect of platelets in OA and help shaping a strategy to improve OA therapy.
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Affiliation(s)
- Qi Zhou
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Chunhua Xu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Xingyao Cheng
- b Affiliated Lishui Hospital of Zhejiang University , Lishui , China
| | - Yangyang Liu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Ming Yue
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Mengjiao Hu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Dongjiao Luo
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Yuxi Niu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Hongwei Ouyang
- c Center for Stem Cell and Tissue Engineering, Zhejiang University School of Medicine , Hangzhou , Zhejiang , China , and
| | - Jiansong Ji
- b Affiliated Lishui Hospital of Zhejiang University , Lishui , China
| | - Hu Hu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China .,d Zhejiang Key Laboratory for Disease Proteomics , Zhejiang , China
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Wang C, Ruan DK, Zhang C, Wang DL, Xin H, Zhang Y. Effects of adeno-associated virus-2-mediated human BMP-7 gene transfection on the phenotype of nucleus pulposus cells. J Orthop Res 2011; 29:838-45. [PMID: 21246612 DOI: 10.1002/jor.21310] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2010] [Accepted: 10/18/2010] [Indexed: 02/04/2023]
Abstract
Bone morphogenetic protein-7 (BMP-7) was found to stimulate the synthesis of proteoglycans (PGs) and collagen type II. To increase the biological function of the nucleus pulposus (NP) cells, the Ad-hBMP-7 vector was also successfully constructed and transfected NP cells. However, the disadvantages of adenovirus limit the usefulness of the Ad-hBMP7 vector for clinical application. The rAAV2 vector has empirical advantages, especially for clinical use, to transfer exogenous genes into cells. The purpose of this study was to first determine whether a rAAV2-hBMP-7 vector could be used to transfect canine NP cells and effect on the biological functions of canine NP cells. The canine NP cells transfected by the rAAV-BMP7 were assessed semi-quantitatively for BMP-7 expression with real-time PCR and westernbloting. Aggrecan and collagens type I and II secreted by the NP cells were qualitatively assessed at 4, 7, and 14 days post-transfection in the transfection and control groups. We found that rAAV2 can successfully transfer the hBMP-7 gene into canine NP cells. NP cells transfected by the rAAV-hBMP-7 vector express hBMP-7 for at least 14 days. At 7 and 14 days, the expressed hBMP-7 promotes a remarkable and significant accumulation of both proteoglycans (42% and 77% higher than non-transfected cells) (p<0.05) and collagen type II (63% and 94% higher than non-transfected cells) (p<0.05). Thus, we could speculate that the rAAV-based gene delivery technique promotes the expression of proteoglycans and collagen type II of nucleus pulposus cells. Moreover, this technique may be applicable for the future treatment of degenerative disc disease.
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Affiliation(s)
- Chaofeng Wang
- Department of Orthopaedic Surgery, Navy General Hospital, Beijing, China
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BMP7 induces the differentiation of bone marrow-derived mesenchymal cells into chondrocytes. Med Biol Eng Comput 2011; 49:687-92. [DOI: 10.1007/s11517-010-0729-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2010] [Accepted: 12/21/2010] [Indexed: 10/18/2022]
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Che JH, Zhang ZR, Li GZ, Tan WH, Bai XD, Qu FJ. Application of tissue-engineered cartilage with BMP-7 gene to repair knee joint cartilage injury in rabbits. Knee Surg Sports Traumatol Arthrosc 2010; 18:496-503. [PMID: 19855958 DOI: 10.1007/s00167-009-0962-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2009] [Accepted: 10/05/2009] [Indexed: 01/24/2023]
Abstract
Injured articular cartilage has a poor capacity for spontaneous healing. So far, satisfactory solution to this subsistent problem has not been found, but transgenic therapy may be a promising way. This study aims to evaluate the effectiveness of a tissue-engineered cartilage that was transfected with morphogenetic protein 7 (BMP 7) in repairing the cartilaginous defects of rabbit knee joints. Chondrocytes were transfected with BMP-7 gene (5 x 10(6) cells/ml), inoculated into the collagen-fibrin gel scaffolds, and cultured for 14 days. Then, the scaffolds were implanted onto the created defects (5.0 mm in diameter) in rabbits' knee joints. After 12 weeks, the rabbits were sacrificed and histological sections were evaluated using modified O'Driscoll cartilage scores; In situ hybridization and immunohistochemistry were performed to detect the expression of BMP-7 mRNA and BMP-7 at the implanted site while the content of DNA and GAG was determined as well. A better quality of repairs was observed at the 12th week after implantation when compared to the control group using histological analyses. The content of DNA and specific secretion of GAG in the treatment group is statistically significant different compared with the control group. Gene therapy may be a promising treatment method, but the novel therapy approach needs further studies with respect to a longer follow-up period.
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Affiliation(s)
- J H Che
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
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