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Xie J, Liu X, Wu B, Chen B, Song Q, Guan Y, Gong Y, Yang C, Lin J, Huang M, Tan X, Lai R, Lin X, Zhang S, Xie X, Chen X, Zhang C, Yang M, Nong H, Zhao X, Xia L, Zhou W, Xiao G, Jiang Q, Zou W, Chen D, Lu D, Liu J, Bai X. Bone transport induces the release of factors with multi-tissue regenerative potential for diabetic wound healing in rats and patients. Cell Rep Med 2024; 5:101588. [PMID: 38781961 PMCID: PMC11228591 DOI: 10.1016/j.xcrm.2024.101588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/08/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024]
Abstract
Tibial cortex transverse distraction is a surgical method for treating severe diabetic foot ulcers (DFUs), but the underlying mechanism is unclear. We show that antioxidant proteins and small extracellular vesicles (sEVs) with multiple-tissue regenerative potential are released during bone transport (BT) in humans and rats. These vesicles accumulate in diabetic wounds and are enriched with microRNAs (miRNAs) (e.g., miR-494-3p) that have high regenerative activities that improve the circulation of ischemic lower limbs while also promoting neovascularization, fibroblast migration, and nerve fiber regeneration. Deletion of miR-494-3p in rats reduces the beneficial effects of BT on diabetic wounds, while hydrogels containing miR-494-3p and reduced glutathione (GSH) effectively repair them. Importantly, the ginsenoside Rg1 can upregulate miR-494-3p, and a randomized controlled trial verifies that the regimen of oral Rg1 and GSH accelerates wound healing in refractory DFU patients. These findings identify potential functional factors for tissue regeneration and suggest a potential therapy for DFUs.
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Affiliation(s)
- Jing Xie
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China
| | - Xuhua Liu
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - Biaoliang Wu
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Bochong Chen
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Qiancheng Song
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yuan Guan
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Yuanxun Gong
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Chengliang Yang
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Jinbo Lin
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Mingfeng Huang
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xinyu Tan
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - Ruijun Lai
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - Xiaozhen Lin
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Sheng Zhang
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xiaoling Xie
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xiaoli Chen
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Chunyuan Zhang
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Mei Yang
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Huijiao Nong
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China
| | - Xiaoyang Zhao
- Department of Developmental Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Laixin Xia
- Department of Developmental Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Weijie Zhou
- Department of Pathology, Nanfang Hospital, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Weiguo Zou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Di Chen
- Research Center for Human Tissue and Organ Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Di Lu
- Yunnan Key Laboratory of Stem Cell and Regenerative Medicine, Science and Technology Achievement Incubation Center, Kunming Medical University, Kunming 650500, China.
| | - Jia Liu
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; Guangxi Health Commission Key Laboratory of Biomedical Materials Research, Guangxi Health Commission Key Laboratory of Clinical Medicine Research on Bone and Joint Degenerative Diseases Cohort, Guangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative Diseases, Baise 533000, China.
| | - Xiaochun Bai
- Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China.
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Fang L, Liu Z, Wang C, Shi M, He Y, Lu A, Li X, Li T, Zhu D, Zhang B, Guan J, Shen J. Vascular restoration through local delivery of angiogenic factors stimulates bone regeneration in critical size defects. Bioact Mater 2024; 36:580-594. [PMID: 39100886 PMCID: PMC11295624 DOI: 10.1016/j.bioactmat.2024.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/20/2024] [Accepted: 07/02/2024] [Indexed: 08/06/2024] Open
Abstract
Critical size bone defects represent a significant challenge worldwide, often leading to persistent pain and physical disability that profoundly impact patients' quality of life and mental well-being. To address the intricate and complex repair processes involved in these defects, we performed single-cell RNA sequencing and revealed notable shifts in cellular populations within regenerative tissue. Specifically, we observed a decrease in progenitor lineage cells and endothelial cells, coupled with an increase in fibrotic lineage cells and pro-inflammatory cells within regenerative tissue. Furthermore, our analysis of differentially expressed genes and associated signaling pathway at the single-cell level highlighted impaired angiogenesis as a central pathway in critical size bone defects, notably influenced by reduction of Spp1 and Cxcl12 expression. This deficiency was particularly pronounced in progenitor lineage cells and myeloid lineage cells, underscoring its significance in the regeneration process. In response to these findings, we developed an innovative approach to enhance bone regeneration in critical size bone defects. Our fabrication process involves the integration of electrospun PCL fibers with electrosprayed PLGA microspheres carrying Spp1 and Cxcl12. This design allows for the gradual release of Spp1 and Cxcl12 in vitro and in vivo. To evaluate the efficacy of our approach, we locally applied PCL scaffolds loaded with Spp1 and Cxcl12 in a murine model of critical size bone defects. Our results demonstrated restored angiogenesis, accelerated bone regeneration, alleviated pain responses and improved mobility in treated mice.
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Affiliation(s)
- Liang Fang
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Zhongting Liu
- Department of Mechanical Engineering & Materials Sciences, School of Engineering, Washington University, St. Louis, MO, 63110, USA
| | - Cuicui Wang
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Meng Shi
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Yonghua He
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Aiwu Lu
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Xiaofei Li
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Tiandao Li
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Donghui Zhu
- Department of Biomedical Engineering, School of Medicine, Stony Brook University, Stony Brook, NY, 11794, USA
| | - Bo Zhang
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University, St. Louis, MO, 63110, USA
| | - Jianjun Guan
- Department of Mechanical Engineering & Materials Sciences, School of Engineering, Washington University, St. Louis, MO, 63110, USA
| | - Jie Shen
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, 63110, USA
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Liu J, Huang X, Su H, Yu J, Nie X, Liu K, Qin W, Zhao Y, Su Y, Kuang X, Chen D, Lu WW, Chen Y, Hua Q. Tibial Cortex Transverse Transport Facilitates Severe Diabetic Foot Wound Healing via HIF-1α-Induced Angiogenesis. J Inflamm Res 2024; 17:2681-2696. [PMID: 38707956 PMCID: PMC11070162 DOI: 10.2147/jir.s456590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 04/18/2024] [Indexed: 05/07/2024] Open
Abstract
Purpose Management of severe diabetic foot ulcers (DFUs) remains challenging. Tibial cortex transverse transport (TTT) facilitates healing and limb salvage in patients with recalcitrant DFUs. However, the underlying mechanism is largely unknown, necessitating the establishment of an animal model and mechanism exploration. Methods Severe DFUs were induced in rats, then assigned to TTT, sham, or control groups (n=16/group). The TTT group underwent a tibial corticotomy, with 6 days each of medial and lateral transport; the sham group had a corticotomy without transport. Ulcer healing was assessed through Laser Doppler, CT angiography, histology, and immunohistochemistry. Serum HIF-1α, PDGF-BB, SDF-1, and VEGF levels were measured by ELISA. Results The TTT group showed lower percentages of wound area, higher dermis thickness (all p < 0.001 expect for p = 0.001 for TTT vs Sham at day 6) and percentage of collagen content (all p < 0.001) than the other two groups. The TTT group had higher perfusion and vessel volume in the hindlimb (all p < 0.001). The number of CD31+ cells (all p < 0.001) and VEGFR2+ cells (at day 6, TTT vs Control, p = 0.001, TTT vs Sham, p = 0.006; at day 12, TTT vs Control, p = 0.003, TTT vs Sham, p = 0.01) were higher in the TTT group. The activity of HIF-1α, PDGF-BB, and SDF-1 was increased in the TTT group (all p < 0.001 except for SDF-1 at day 12, TTT vs Sham, p = 0.005). The TTT group had higher levels of HIF-1α, PDGF-BB, SDF-1, and VEGF in serum than the other groups (all p < 0.001). Conclusion TTT enhanced neovascularization and perfusion at the hindlimb and accelerated healing of the severe DFUs. The underlying mechanism is related to HIF-1α-induced angiogenesis.
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Affiliation(s)
- Jie Liu
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Xiajie Huang
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Hongjie Su
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Jie Yu
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Xinyu Nie
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Kaibing Liu
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Wencong Qin
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Yongxin Zhao
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Yongfeng Su
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Xiaocong Kuang
- Yulin Campus of Guangxi Medical University, Yulin, Guangxi, People’s Republic of China
| | - Di Chen
- Research Center for Computer-Aided Drug Discovery, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People’s Republic of China
| | - William W Lu
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
| | - Yan Chen
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Qikai Hua
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
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Chang Q, Fujio M, Tsuboi M, Bian H, Wakasugi M, Hibi H. High-mobility group box 1 accelerates distraction osteogenesis healing via the recruitment of endogenous stem/progenitor cells. Cytotherapy 2023:S1465-3249(23)00960-X. [PMID: 37354151 DOI: 10.1016/j.jcyt.2023.05.013] [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: 11/10/2022] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND AIMS While distraction osteogenesis (DO) achieves substantial bone regeneration, prolonged fixation may lead to infections. Existing stem cell and physical therapies have limitations, requiring the development of novel therapeutic approaches. Here, we evaluated high-mobility group box 1 (HMGB1) as a novel therapeutic target for DO treatment. METHODS Micro-computed tomography (Micro-CT) analysis and histological staining of samples obtained from tibial DO model mice was performed. Transwell migration, wound healing, and proliferation assays were also performed on cultured human mesenchymal stem cells (hMSCs) and human umbilival vein endothelial cells (HUVECs). Tube formation assay was performed on HUVECs, whereas osteogenic differentiation assay was performed on hMSCs. RESULTS Micro-CT analysis and histological staining of mouse samples revealed that HMGB1 promotes bone regeneration during DO via the recruitment of PDGFRα and Sca-1 positve (PαS+) cells and endothelial progenitor cells. Furthermore, HMGB1 accelerated angiogenesis during DO, promoted the migration and osteogenic differentiation of hMSCs as well as the proliferation, migration and angiogenesis of HUVECs in vitro. CONCLUSIONS Our findings suggest that HMGB1 has a positive influence on endogenous stem/progenitor cells, representing a novel therapeutic target for the acceleration of DO-driven bone regeneration.
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Affiliation(s)
- Qi Chang
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Masahito Fujio
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Makoto Tsuboi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Huiting Bian
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Masashi Wakasugi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Hideharu Hibi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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Kawashima I, Matsushita M, Mishima K, Kamiya Y, Osawa Y, Ohkawara B, Ohno K, Kitoh H, Imagama S. Activated FGFR3 suppresses bone regeneration and bone mineralization in an ovariectomized mouse model. BMC Musculoskelet Disord 2023; 24:200. [PMID: 36927417 PMCID: PMC10018961 DOI: 10.1186/s12891-023-06318-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND Postmenopausal osteoporosis is a widespread health concern due to its prevalence among older adults and an associated high risk of fracture. The downregulation of bone regeneration delays fracture healing. Activated fibroblast growth factor receptor 3 (FGFR3) accelerates bone regeneration at juvenile age and downregulates bone mineralization at all ages. However, the impact of FGFR3 signaling on bone regeneration and bone mineralization post-menopause is still unknown. This study aimed to evaluate the impact of FGFR3 signaling on bone regeneration and bone mineralization during menopause by developing a distraction osteogenesis (DO) mouse model after ovariectomy (OVX) using transgenic mice with activated FGFR3 driven by Col2a1 promoter (Fgfr3 mice). METHODS The OVX or sham operations were performed in 8-week-old female Fgfr3 and wild-type mice. After 8 weeks of OVX surgery, DO surgery in the lower limb was performed. The 5-day-latency period followed by performing distraction for 9 days. Bone mineral density (BMD) and bone regeneration was assessed by micro-computed tomography (micro-CT) scan and soft X-ray. Bone volume in the distraction area was also evaluated by histological analysis after 7 days at the end of distraction. Osteogenic differentiation and mineralization of bone marrow-derived mesenchymal stem cells (BMSCs) derived from each mouse after 8 weeks of the OVX or sham operations were also evaluated with and without an inhibitor for FGFR3 signaling (meclozine). RESULTS BMD decreased after OVX in both groups, and it further deteriorated in Fgfr3 mice. Poor callus formation after DO was also observed in both groups with OVX, and the amount of regenerated bone was further decreased in Fgfr3 mice. Similarly, histological analysis revealed that Fgfr3 OVX mice showed lower bone volume. Osteogenic differentiation and mineralization of BMSCs were also deteriorated in Fgfr3 OVX mice. An inhibitor for FGFR3 signaling dramatically reversed the inhibitory effect of OVX and FGFR3 signaling on BMSC mineralization. CONCLUSION Upregulated FGFR3 decreased newly regenerated bone after DO and BMD in OVX mice. FGFR3 signaling can be a potential therapeutic target in patients with postmenopausal osteoporosis.
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Affiliation(s)
- Itaru Kawashima
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Masaki Matsushita
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan.
| | - Kenichi Mishima
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Yasunari Kamiya
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Yusuke Osawa
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Bisei Ohkawara
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Kinji Ohno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Hiroshi Kitoh
- Department of Orthopaedic Surgery, Aichi Children's Health and Medical Center, 4748710, Obu, Aichi, Japan.,Department of Comprehensive Pediatric Medicine, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
| | - Shiro Imagama
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, 4668550, Nagoya, Aichi, Japan
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Wang J, Chen G, Chen ZM, Wang FP, Xia B. Current strategies in biomaterial-based periosteum scaffolds to promote bone regeneration: A review. J Biomater Appl 2023; 37:1259-1270. [PMID: 36251764 DOI: 10.1177/08853282221135095] [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: 11/16/2022]
Abstract
The role of periosteum rich in a variety of bone cells and growth factors in the treatment of bone defects has gradually been discovered. However, due to the limited number of healthy transplantable periosteum, there are still major challenges in the clinical treatment of critical-size bone defects. Various techniques for preparing biomimetic periosteal scaffolds that are similar in composition and structure to natural periosteal scaffold have gradually emerged. This article reviews the current preparation methods of biomimetic periosteal scaffolds based on various biomaterials, which are mainly divided into natural periosteal materials and various polymer biomaterials. Several preparation methods of biomimetic periosteal scaffolds with different principles are listed, their strengths and weaknesses are also discussed. It aims to provide a more systematic perspective for the preparation of biomimetic periosteal scaffolds in the future.
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Affiliation(s)
- Jinsong Wang
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Guobao Chen
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Zhong M Chen
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Fu P Wang
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Bin Xia
- Engineering Research Center for Waste Oil Recovery Technology and Equipment, Ministry of Education, 66530Chongqing Technology and Business University, Chongqing, China
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7
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Han Z, He X, Feng Y, Jiang W, Zhou N, Huang X. Hsp20 Promotes Endothelial Progenitor Cell Angiogenesis via Activation of PI3K/Akt Signaling Pathway under Hypoxia. Tissue Eng Regen Med 2022; 19:1251-1266. [PMID: 36042130 PMCID: PMC9679071 DOI: 10.1007/s13770-022-00481-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 07/09/2022] [Accepted: 07/13/2022] [Indexed: 10/14/2022] Open
Abstract
BACKGROUND Mandibular distraction osteogenesis (MDO) is a kind of endogenous tissue engineering technology that lengthens the jaw and opens airway so that a patient can breathe safely and comfortably on his or her own. Endothelial progenitor cells (EPCs) are crucial for MDO-related angiogenesis. Moreover, emerging evidence suggests that heat shock protein 20 (Hsp20) modulates angiogenesis under hypoxic conditions. However, the specific role of Hsp20 in EPCs, in the context of MDO, is not yet known. The aim of this study was to explore the expression of Hsp20 during MDO and the effects of Hsp20 on EPCs under hypoxia. METHODS Mandibular distraction osteogenesis and mandibular bone defect (MBD) canine model were established. The expression of CD34, CD133, HIF-1α, and Hsp20 in callus was detected by immunofluorescence on day 14 after surgery. Canine bone marrow EPCs were cultured, with or without optimal cobalt chloride (CoCl2) concentration. Hypoxic effects, caused by CoCl2, were evaluated by means of the cell cycle, cell apoptosis, transwell cell migration, and tube formation assays. The Hsp20/KDR/PI3K/Akt expression levels were evaluated via immunofluorescence, RT-qPCR, and western blot. Next, EPCs were incorporated with either Hsp20-overexpression or Hsp20-siRNA lentivirus. The resulting effects were evaluated as described above. RESULTS CD34, CD133, HIF-1α, and Hsp20 were displayed more positive in the callus of MDO compared with MBD. In addition, hypoxic conditions, generated by 0.1 mM CoCl2, in canine EPCs, accelerated cell proliferation, migration, tube formation, and Hsp20 expression. Hsp20 overexpression in EPCs significantly stimulated cell proliferation, migration, and tube formation, whereas Hsp20 inhibition produced the opposite effect. Additionally, the molecular mechanism was partly dependent on the KDR/PI3K/Akt pathway. CONCLUSION In summary, herein, we present a novel mechanism of Hsp20-mediated regulation of canine EPCs via Akt activation in a hypoxic microenvironment.
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Affiliation(s)
- Zhiqi Han
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China
| | - Xuan He
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China
| | - Yuan Feng
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China
| | - Weidong Jiang
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China
| | - Nuo Zhou
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China.
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China.
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China.
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China.
| | - Xuanping Huang
- Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China.
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People's Republic of China.
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Nanning, Guangxi, 530021, People's Republic of China.
- Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, Guangxi, 530021, People's Republic of China.
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8
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Mao Y, Chen Y, Li W, Wang Y, Qiu J, Fu Y, Guan J, Zhou P. Physiology-Inspired Multilayer Nanofibrous Membranes Modulating Endogenous Stem Cell Recruitment and Osteo-Differentiation for Staged Bone Regeneration. Adv Healthc Mater 2022; 11:e2201457. [PMID: 36027596 DOI: 10.1002/adhm.202201457] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/23/2022] [Indexed: 01/28/2023]
Abstract
Bone regeneration involves a cascade of sophisticated, multiple-staged cellular and molecular events, where early-phase stem cell recruitment mediated by chemokines and late-phase osteo-differentiation induced by pro-osteogenic factors play the crucial roles. Herein, enlightened by a bone physiological and regenerative mechanism, the multilayer nanofibrous membranes (PLLA@SDF-1α@MT01) consisting of PLLA/MT01 micro-sol electrospun nanofibers as intima and PLLA/PEG/SDF-1α electrospun nanofibers as adventitia are fabricated through micro-sol electrospinning and manual multi-layer stacking technologies. In vitro releasing profiles show that PLLA@SDF-1α@MT01 represents the rapid release of stromal cell-derived SDF-1α (SDF-1α) in the outer layers, while with long-term sustained release of MT01 in the inner layer. Owing to interconnected porosity like the natural bone extracellular matrix and improved hydrophilia, PLLA@SDF-1α@MT01 manifests good biocompatibility both in vitro and in vivo. Furthermore, PLLA@SDF-1α@MT01 can promote bone marrow mesenchymal stem cells (BMSCs) migration by amplifying the SDF-1α/CXCR4 axis and stimulating BMSCs osteo-differentiation via activating the MAPK pathway in vitro. PLLA@SDF-1α@MT01, with a programmed dual-delivery system, exhibits the synergetic promotion of bone regeneration and vascularization by emulating key characteristics of the staged bone repair in vivo. Overall, PLLA@SDF-1α@MT01 that mimics the endogenous cascades of bone regeneration can enrich the physiology-mimetic staged regenerative strategy and represent a promising tissue-engineered scaffold for the bone defect.
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Affiliation(s)
- Yingji Mao
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China.,Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, 233030, China
| | - Yu Chen
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China.,Department of Plastic Surgery, The First Affiliated Hospital, Bengbu Medical College, Bengbu, 233004, China
| | - Weifeng Li
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China
| | - Ying Wang
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China.,Department of Plastic Surgery, The First Affiliated Hospital, Bengbu Medical College, Bengbu, 233004, China
| | - Jingjing Qiu
- Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, 233030, China
| | - Yingxiao Fu
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China
| | - Jianzhong Guan
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China.,Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, 233030, China
| | - Pinghui Zhou
- Department of Orthopedics, The First Affiliated Hospital, School of Life Science, Bengbu Medical College, Bengbu, 233030, China.,Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, 233030, China
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9
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Shi H, Zhao Z, Jiang W, Zhu P, Zhou N, Huang X. A Review Into the Insights of the Role of Endothelial Progenitor Cells on Bone Biology. Front Cell Dev Biol 2022; 10:878697. [PMID: 35686054 PMCID: PMC9173585 DOI: 10.3389/fcell.2022.878697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/11/2022] [Indexed: 11/23/2022] Open
Abstract
In addition to its important transport functions, the skeletal system is involved in complex biological activities for the regulation of blood vessels. Endothelial progenitor cells (EPCs), as stem cells of endothelial cells (ECs), possess an effective proliferative capacity and a powerful angiogenic capacity prior to their differentiation. They demonstrate synergistic effects to promote bone regeneration and vascularization more effectively by co-culturing with multiple cells. EPCs demonstrate a significant therapeutic potential for the treatment of various bone diseases by secreting a combination of growth factors, regulating cellular functions, and promoting bone regeneration. In this review, we retrospect the definition and properties of EPCs, their interaction with mesenchymal stem cells, ECs, smooth muscle cells, and immune cells in bone regeneration, vascularization, and immunity, summarizing their mechanism of action and contribution to bone biology. Additionally, we generalized their role and potential mechanisms in the treatment of various bone diseases, possibly indicating their clinical application.
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Affiliation(s)
- Henglei Shi
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
| | - Zhenchen Zhao
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
| | - Weidong Jiang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
| | - Peiqi Zhu
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
| | - Nuo Zhou
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
| | - Xuanping Huang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Disease Treatment, Guangxi Clinical Research Center for Craniofacia Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surg Deformity, Nanning, China
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10
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Liu X, Sun Y, Shen J, Min HS, Xu J, Chai Y. Strontium doped mesoporous silica nanoparticles accelerate osteogenesis and angiogenesis in distraction osteogenesis by activation of Wnt pathway. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 41:102496. [PMID: 34838995 DOI: 10.1016/j.nano.2021.102496] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 10/11/2021] [Accepted: 10/26/2021] [Indexed: 12/27/2022]
Abstract
Distraction osteogenesis (DO) is a powerful method to reconstruct segmented bone defects in the extremities. However, the main shortcoming of DO is the time-consuming consolidation period. To shorten the consolidation process, two biocompatible inorganic ions, strontium and silicone, were applied to design a biocompatible material to enhance bone mineralization ability during DO. In the present study, we integrated strontium into a one-pot synthesis of mesoporous silica nanoparticles to obtain strontium-doped mesoporous silica nanoparticles characterized by a homogeneous spherical morphology and uniform ion-releasing dynamics. This dual-ion releasing osteogenic and angiogenic drug delivery system was investigated to accelerate mineralization in DO. Osteogenesis was promoted by activation of the Wnt/β-catenin pathway, while bone resorption was inhibited by reduction of the osteoclastogenic factor RANKL/OPG. In addition, angiogenesis may have been enhanced indirectly by secretion of vascular endothelial growth factor (VEGF) from bone marrow stem cells. Therefore, strontium-doped mesoporous silica nanoparticles could be a potential biomaterial candidate for accelerating consolidation during DO.
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Affiliation(s)
- Xuanzhe Liu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yi Sun
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Junjie Shen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hong Sung Min
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jia Xu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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11
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Shen F, Shi Y. Recent Advances in Single-Cell View of Mesenchymal Stem Cell in Osteogenesis. Front Cell Dev Biol 2022; 9:809918. [PMID: 35071243 PMCID: PMC8766509 DOI: 10.3389/fcell.2021.809918] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/10/2021] [Indexed: 02/05/2023] Open
Abstract
Osteoblasts continuously replenished by osteoblast progenitor cells form the basis of bone development, maintenance, and regeneration. Mesenchymal stem cells (MSCs) from various tissues can differentiate into the progenitor cell of osteogenic lineage and serve as the main source of osteoblasts. They also respond flexibly to regenerative and anabolic signals emitted by the surrounding microenvironment, thereby maintaining bone homeostasis and participating in bone remodeling. However, MSCs exhibit heterogeneity at multiple levels including different tissue sources and subpopulations which exhibit diversified gene expression and differentiation capacity, and surface markers used to predict cell differentiation potential remain to be further elucidated. The rapid advancement of lineage tracing methods and single-cell technology has made substantial progress in the characterization of osteogenic stem/progenitor cell populations in MSCs. Here, we reviewed the research progress of scRNA-seq technology in the identification of osteogenic markers and differentiation pathways, MSC-related new insights drawn from single-cell technology combined with experimental technology, and recent findings regarding the interaction between stem cell fate and niche in homeostasis and pathological process.
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Affiliation(s)
- Fangyuan Shen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yu Shi
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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12
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Yang S, Wang N, Ma Y, Guo S, Guo S, Sun H. Immunomodulatory effects and mechanisms of distraction osteogenesis. Int J Oral Sci 2022; 14:4. [PMID: 35067679 PMCID: PMC8784536 DOI: 10.1038/s41368-021-00156-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/20/2021] [Accepted: 12/29/2021] [Indexed: 11/11/2022] Open
Abstract
Distraction osteogenesis (DO) is widely used for bone tissue engineering technology. Immune regulations play important roles in the process of DO like other bone regeneration mechanisms. Compared with others, the immune regulation processes of DO have their distinct features. In this review, we summarized the immune-related events including changes in and effects of immune cells, immune-related cytokines, and signaling pathways at different periods in the process of DO. We aim to elucidated our understanding and unknowns about the immunomodulatory role of DO. The goal of this is to use the known knowledge to further modify existing methods of DO, and to develop novel DO strategies in our unknown areas through more detailed studies of the work we have done.
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13
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The Distraction Osteogenesis Callus: a Review of the Literature. Clin Rev Bone Miner Metab 2022. [DOI: 10.1007/s12018-021-09282-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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Ye Li, Xu J, Mi J, He X, Pan Q, Zheng L, Zu H, Chen Z, Dai B, Li X, Pang Q, Zou L, Zhou L, Huang L, Tong W, Li G, Qin L. Biodegradable magnesium combined with distraction osteogenesis synergistically stimulates bone tissue regeneration via CGRP-FAK-VEGF signaling axis. Biomaterials 2021; 275:120984. [PMID: 34186235 DOI: 10.1016/j.biomaterials.2021.120984] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 06/04/2021] [Accepted: 06/18/2021] [Indexed: 01/05/2023]
Abstract
Critical size bone defects are frequently caused by accidental trauma, oncologic surgery, and infection. Distraction osteogenesis (DO) is a useful technique to promote the repair of critical size bone defects. However, DO is usually a lengthy treatment, therefore accompanied with increased risks of complications such as infections and delayed union. Here, we demonstrated that magnesium (Mg) nail implantation into the marrow cavity degraded gradually accompanied with about 4-fold increase of new bone formation and over 5-fold of new vessel formation as compared with DO alone group in the 5 mm femoral segmental defect rat model at 2 weeks after distraction. Mg nail upregulated the expression of calcitonin gene-related peptide (CGRP) in the new bone as compared with the DO alone group. We further revealed that blockade of the sensory nerve by overdose capsaicin blunted Mg nail enhanced critical size bone defect repair during the DO process. CGRP concentration-dependently promoted endothelial cell migration and tube formation. Meanwhile, CGRP promoted the phosphorylation of focal adhesion kinase (FAK) at Y397 site and elevated the expression of vascular endothelial growth factor A (VEGFA). Moreover, inhibitor/antagonist of CGRP receptor, FAK, and VEGF receptor blocked the Mg nail stimulated vessel and bone formation. We revealed, for the first time, a CGRP-FAK-VEGF signaling axis linking sensory nerve and endothelial cells, which may be the main mechanism underlying Mg-enhanced critical size bone defect repair when combined with DO, suggesting a great potential of Mg implants in reducing DO treatment time for clinical applications.
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Affiliation(s)
- Ye Li
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China; Center for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Science, China
| | - Jiankun Xu
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jie Mi
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xuan He
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Qi Pan
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Lizhen Zheng
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China; Center for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Science, China
| | - Haiyue Zu
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ziyi Chen
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Bingyang Dai
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xu Li
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Qianqian Pang
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Li Zou
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Liangbin Zhou
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Le Huang
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Wenxue Tong
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Gang Li
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China.
| | - Ling Qin
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health, The Chinese University of Hong Kong, Hong Kong SAR, China; CHUK Hong Kong - Shenzhen Innovation and Technology Institute (Futian), China.
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15
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Qiu X, Liu Y, Shen H, Wang Z, Gong Y, Yang J, Li X, Zhang H, Chen Y, Zhou C, Lv W, Cheng L, Hu Y, Li B, Shen W, Zhu X, Tan LJ, Xiao HM, Deng HW. Single-cell RNA sequencing of human femoral head in vivo. Aging (Albany NY) 2021; 13:15595-15619. [PMID: 34111027 PMCID: PMC8221309 DOI: 10.18632/aging.203124] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 05/13/2021] [Indexed: 11/25/2022]
Abstract
The homeostasis of bone metabolism depends on the coupling and precise regulation of various types of cells in bone tissue. However, the communication and interaction between bone tissue cells at the single-cell level remains poorly understood. Thus, we performed single-cell RNA sequencing (scRNA-seq) on the primary human femoral head tissue cells (FHTCs). Nine cell types were identified in 26,574 primary human FHTCs, including granulocytes, T cells, monocytes, B cells, red blood cells, osteoblastic lineage cells, endothelial cells, endothelial progenitor cells (EPCs) and plasmacytoid dendritic cells. We identified serine protease 23 (PRSS23) and matrix remodeling associated protein 8 (MXRA8) as novel bone metabolism-related genes. Additionally, we found that several subtypes of monocytes, T cells and B cells were related to bone metabolism. Cell-cell communication analysis showed that collagen, chemokine, transforming growth factor and their ligands have significant roles in the crosstalks between FHTCs. In particular, EPCs communicated with osteoblastic lineage cells closely via the "COL2A1-ITGB1" interaction pair. Collectively, this study provided an initial characterization of the cellular composition of the human FHTCs and the complex crosstalks between them at the single-cell level. It is a unique starting resource for in-depth insights into bone metabolism.
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Affiliation(s)
- Xiang Qiu
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Ying Liu
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Hui Shen
- Tulane Center of Biomedical Informatics and Genomics, Deming Department of Medicine, School of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Zun Wang
- Xiangya Nursing School, Central South University, Changsha 410013, China
| | - Yun Gong
- Tulane Center of Biomedical Informatics and Genomics, Deming Department of Medicine, School of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Junxiao Yang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Xiaohua Li
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Huixi Zhang
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Yu Chen
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Cui Zhou
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Wanqiang Lv
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Liang Cheng
- Department of Orthopedics and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Yihe Hu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Boyang Li
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Wendi Shen
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Xuezhen Zhu
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Li-Jun Tan
- Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Human Normal University, Changsha 410081, China
| | - Hong-Mei Xiao
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
| | - Hong-Wen Deng
- Center for System Biology, Data Sciences, and Reproductive Health, School of Basic Medical Science, Central South University, Yuelu, Changsha 410013, China
- Tulane Center of Biomedical Informatics and Genomics, Deming Department of Medicine, School of Medicine, Tulane University, New Orleans, LA 70112, USA
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16
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Wang C, Ying J, Nie X, Zhou T, Xiao D, Swarnkar G, Abu-Amer Y, Guan J, Shen J. Targeting angiogenesis for fracture nonunion treatment in inflammatory disease. Bone Res 2021; 9:29. [PMID: 34099632 PMCID: PMC8184936 DOI: 10.1038/s41413-021-00150-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/20/2021] [Accepted: 02/01/2021] [Indexed: 02/05/2023] Open
Abstract
Atrophic fracture nonunion poses a significant clinical problem with limited therapeutic interventions. In this study, we developed a unique nonunion model with high clinical relevance using serum transfer-induced rheumatoid arthritis (RA). Arthritic mice displayed fracture nonunion with the absence of fracture callus, diminished angiogenesis and fibrotic scar tissue formation leading to the failure of biomechanical properties, representing the major manifestations of atrophic nonunion in the clinic. Mechanistically, we demonstrated that the angiogenesis defect observed in RA mice was due to the downregulation of SPP1 and CXCL12 in chondrocytes, as evidenced by the restoration of angiogenesis upon SPP1 and CXCL12 treatment in vitro. In this regard, we developed a biodegradable scaffold loaded with SPP1 and CXCL12, which displayed a beneficial effect on angiogenesis and fracture repair in mice despite the presence of inflammation. Hence, these findings strongly suggest that the sustained release of SPP1 and CXCL12 represents an effective therapeutic approach to treat impaired angiogenesis and fracture nonunion under inflammatory conditions.
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Affiliation(s)
- Cuicui Wang
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA
| | - Jun Ying
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA ,grid.417400.60000 0004 1799 0055Department of Orthopaedic Surgery, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China ,grid.417400.60000 0004 1799 0055Institute of Orthopaedics and Traumatology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaolei Nie
- grid.4367.60000 0001 2355 7002Department of Mechanical Engineering & Materials Science, School of Engineering, Washington University, St. Louis, MO USA
| | - Tianhong Zhou
- grid.4367.60000 0001 2355 7002Department of Mechanical Engineering & Materials Science, School of Engineering, Washington University, St. Louis, MO USA
| | - Ding Xiao
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA
| | - Gaurav Swarnkar
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA
| | - Yousef Abu-Amer
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA ,grid.415840.c0000 0004 0449 6533Shriners Hospital for Children, St. Louis, MO USA
| | - Jianjun Guan
- grid.4367.60000 0001 2355 7002Department of Mechanical Engineering & Materials Science, School of Engineering, Washington University, St. Louis, MO USA
| | - Jie Shen
- grid.4367.60000 0001 2355 7002Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO USA
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17
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Jiang W, Zhu P, Zhang T, Liao F, Yu Y, Liu Y, Shen H, Zhao Z, Huang X, Zhou N. MicroRNA-205 mediates endothelial progenitor functions in distraction osteogenesis by targeting the transcription regulator NOTCH2. Stem Cell Res Ther 2021; 12:101. [PMID: 33536058 PMCID: PMC7860583 DOI: 10.1186/s13287-021-02150-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 01/07/2021] [Indexed: 12/24/2022] Open
Abstract
Background Distraction osteogenesis (DO) is a highly efficacious form of reconstructive bone regeneration, but its clinical utility is limited by the prolonged period required for bone consolidation to occur. Understanding the mechanistic basis for DO and shortening this consolidation phase thus represent promising approaches to improving the clinical utility of this procedure. Methods A mandibular DO (MDO) canine model was established, after which small RNA sequencing was performed to identify relevant molecular targets genes. Putative miRNA target genes were identified through bioinformatics and confirmed through qPCR, Western blotting, and dual-luciferase reporter assays. Peripheral blood samples were collected to isolate serum and endothelial colony-forming cells (ECFCs) in order to measure miR-205, NOTCH2, and angiogenic cytokines expression levels. Lentiviral constructs were then used to inhibit or overexpress miR-205 and NOTCH2 in isolated ECFCs, after which the angiogenic activity of these cells was evaluated in migration, wound healing, proliferation, tube formation, and chick chorioallantoic membrane (CAM) assay. Autologous ECFCs transfected to knockdown miR-205 and were injected directly into the distraction callus. On days 14, 28, 35 and 42 after surgery, bone density was evaluated via CBCT, and callus samples were collected and evaluated via histological staining to analyze bone regeneration and remodeling. Results MiR-205 was identified as being one of the miRNAs that was most significantly downregulated in MDO callus samples. Downregulation of miR-205 was also observed in DO-ECFCs and serum of animals undergoing MDO. Inhibiting miR-205 markedly enhanced angiogenesis, whereas overexpressing miR-205 had the opposite effect in vitro. Importantly, NOTCH2, which is a unique regulator in bone angiogenesis, was identified as a miR-205 target gene. Consistent with this regulatory relationship, knocking down NOTCH2 suppressed angiogenesis, and transduction with a miR-205 inhibitor lentivirus was sufficient to rescue angiogenic activity. When ECFCs in which miR-205 had been inhibited were transplanted into the MDO callus, this significantly bolstered osteogenesis, and remodeling in vivo. Conclusions MiR-205 is a significant regulator of the MDO process, and inhibiting this miRNA can accelerate MDO-related mineralization. Overall, these results offer new insights into the mechanistic basis for this procedure, highlighting potential targets for therapeutic clinical intervention. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02150-x.
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Affiliation(s)
- Weidong Jiang
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Peiqi Zhu
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Tao Zhang
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Fengchun Liao
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Yangyang Yu
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Yan Liu
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Huijuan Shen
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Zhenchen Zhao
- Guangxi Medical University, Nanning, 530021, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China.,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China
| | - Xuanping Huang
- Guangxi Medical University, Nanning, 530021, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China. .,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China.
| | - Nuo Zhou
- Guangxi Medical University, Nanning, 530021, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guangxi Medical University, Nanning, 530021, People's Republic of China. .,Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning, 530021, People's Republic of China.
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Shen Z, Chen Z, Li Z, Zhang Y, Jiang T, Lin H, Huang M, Chen H, Feng J, Jiang Z. Total Flavonoids of Rhizoma Drynariae Enhances Angiogenic-Osteogenic Coupling During Distraction Osteogenesis by Promoting Type H Vessel Formation Through PDGF-BB/PDGFR-β Instead of HIF-1α/ VEGF Axis. Front Pharmacol 2020; 11:503524. [PMID: 33328980 PMCID: PMC7729076 DOI: 10.3389/fphar.2020.503524] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 10/29/2020] [Indexed: 01/10/2023] Open
Abstract
Background: Total flavonoids of Rhizoma Drynariae (TFRD), extracted from the kidney-tonifying traditional Chinese medicine Rhizoma Rrynariae, has been proved to be effective in treating osteoporosis, bone fractures and defects. However, pharmacological effects of TFRD on type H vessels, angiogenic-osteogenic coupling in distraction osteogenesis (DO) and the mechanism remain unclear. This study aims at investigating whether type H vessels exist in the DO model, effects of TFRD on angiogenic-osteogenic coupling and further elucidating the underlying mechanism. Methods: Rats models of DO and bone fracture (FR) were established, and then were separately divided into TFRD and control subgroups. Imageological and histological analyses were performed to assess bone and vessel formation. Immunofluorescent staining of CD31 and endomucin (Emcn) was conducted to determine type H vessel formation. Matrigel tube formation, ALP and Alizarin Red S staining assays were performed to test the effects of TFRD on angiogenesis or osteogenesis of endothelial precursor cells (EPCs) or bone marrow-derived mesenchymal stem cells (BMSCs). Additionally, expression levels of HIF-1α, VEGF, PDGF-BB, RUNX2 and OSX were determined by ELISA, qPCR or western blot, respectively. Results: The in vivo results indicated more formed type H vessels in DO groups than in FR groups and TFRD obviously increased the abundance of type H vessels. Moreover, groups with higher abundance of type H vessels showed better angiogenesis and osteogenesis outcomes. Further in vitro experiments showed that TFRD significantly promoted while blocking PDGF-BB remarkably suppressed the angiogenic activity of EPCs under stress conditions. The levels of p-AKT and p-ERK1/2, downstream mediators of the PDGF-BB pathway, were up-regulated by TFRD but blocked by function blocking anti-PDGF-BB antibody. In contrast, the activated AKT and ERK1/2 and corresponding tube formation were not affected by the HIF-1α inhibitor. Besides, blocking PDGF-BB inhibited the osteogenic differentiation of the stretched BMSCs, but TFRD enhanced the osteogenic activity of BMSCs and ameliorated the inhibition, with more calcium nodes, higher ALP activity and mRNA and protein levels of RUNX2 and OSX. Conclusion: Type H vessels exist in the DO model and TFRD enhances angiogenic-osteogenic coupling during DO by promoting type H vessel formation via PDGF-BB/PDGFR-β instead of HIF-1α/VEGF axis.
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Affiliation(s)
- Zhen Shen
- Department of Orthopaedics, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China.,Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zehua Chen
- The Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zige Li
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yan Zhang
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tao Jiang
- The Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Haixiong Lin
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minling Huang
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Huamei Chen
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Junjie Feng
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ziwei Jiang
- Department of Orthopaedics, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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19
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Mi J, Xu J, Yao H, Li X, Tong W, Li Y, Dai B, He X, Chow DHK, Li G, Lui KO, Zhao J, Qin L. Calcitonin Gene-Related Peptide Enhances Distraction Osteogenesis by Increasing Angiogenesis. Tissue Eng Part A 2020; 27:87-102. [PMID: 32375579 DOI: 10.1089/ten.tea.2020.0009] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Distraction osteogenesis (DO) is a well-established surgical technique for treating bone defect and limb lengthening. The major drawback of DO is the long treatment period as the external fixator has to be kept in place until consolidation is completed. Calcitonin gene-related peptide (CGRP) has been reported to promote angiogenesis by affecting endothelial progenitor cells (EPCs) in limb ischemia and wound healing. Thus, the goal of this study was to evaluate the angiogenic effect of exogenous CGRP on bone regeneration in a rat DO model. Exogenous CGRP was directly injected into the bone defect after each cycle of distraction in vivo. Microcomputed tomography, biomechanical test, and histological analysis were performed to assess the new bone formation. Angiography and immunofluorescence were performed to assess the formation of blood vessels. CD31+CD144+ EPCs in the bone defect were quantified with flow cytometry. In in vitro study, bone marrow stem cells (BMSCs) were used to investigate the effect of CGRP on EPCs production during endothelial differentiation. Our results showed that CGRP significantly promoted bone regeneration and vessel formation after consolidation. CGRP significantly increased the fraction of CD31+CD144+EPCs and the capillary density in the bone defect at the end of distraction phase. CGRP increased EPC population in the endothelial differentiation of BMSCs in vitro by activating PI3K/AKT signaling pathway. Furthermore, differentiated EPCs rapidly assembled into tube-like structures and promoted osteogenic differentiation of BMSCs. In conclusion, CGRP increased EPC population and promoted blood vessel formation and bone regeneration at the defect region in a DO model. Impact statement Distraction osteogenesis (DO) is a well-established surgical technique for limb lengthening and bone defect. The disadvantage of this technique is that external fixator is needed to be kept in place for about 12 months. This may result in increased risk of infection, financial burden, and negative psychological impacts. In this study, we have injected calcitonin gene-related peptide (CGRP) into the defect region after distraction and found that CGRP enhanced vessel formation and bone regeneration in a rat DO model. This suggests that a controlled delivery system for CGRP could be developed and applied clinically for accelerating bone regeneration in patients with DO.
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Affiliation(s)
- Jie Mi
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China.,Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiankun Xu
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Hao Yao
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Xisheng Li
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Wenxue Tong
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Ye Li
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Bingyang Dai
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Xuan He
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Dick Ho Kiu Chow
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Gang Li
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Kathy O Lui
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jie Zhao
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Qin
- Musculoskeletal Research Laboratory, Innovative Orthopedic Biomaterial and Drug Translational Research Laboratory, Department of Orthopedics & Traumatology, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
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20
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Pan Q, Li Y, Xu J, Kang Y, Li Y, Wang B, Yang YP, Lin S, Li G. The effects of tubular structure on biomaterial aided bone regeneration in distraction osteogenesis. J Orthop Translat 2020. [DOI: 10.1016/j.jot.2020.09.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
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21
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An update to the advances in understanding distraction histogenesis: From biological mechanisms to novel clinical applications. J Orthop Translat 2020. [DOI: 10.1016/j.jot.2020.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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22
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Dual CXCR4 and E-Selectin Inhibitor, GMI-1359, Shows Anti-Bone Metastatic Effects and Synergizes with Docetaxel in Prostate Cancer Cell Intraosseous Growth. Cells 2019; 9:cells9010032. [PMID: 31877673 PMCID: PMC7017374 DOI: 10.3390/cells9010032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 02/06/2023] Open
Abstract
Metastatic castration resistant prostate cancer (mCRPC) relapses due to acquired resistance to docetaxel-based chemotherapy and remains a major threat to patient survival. In this report, we tested the effectiveness of a dual CXCR4/E-selectin antagonist, GM-I1359, in vitro and in vivo, as a single agent or in combination with docetaxel (DTX). This agent was compared to the single CXCR4 antagonist, CTCE-9908, and E-selectin antagonist, GMI-1271. Here we demonstrate that CXCR4 antagonism reduced growth and enhanced DTX treatment in PCa cell lines as well as restored DTX effectiveness in DTX-resistant cell models. The efficacy of dual antagonist was higher respect to those observed for single CXCR4 antagonism. GM1359 impacted bone marrow colonization and growth in intraventricular and intratibial cell injection models. The anti-proliferative effects of GMI-1359 and DTX correlated with decreased size, osteolysis and serum levels of both mTRAP and type I collagen fragment (CTX) in intra-osseous tumours suggesting that the dual CXCR4/E-selectin antagonist was a docetaxel-sensitizing agent for bone metastatic growth. Single agent CXCR4 (CTCE-9908) and E-selectin (GMI-1271) antagonists resulted in lower sensitizing effects compared to GMI-1359. These data provide a biologic rationale for the use of a dual E-selectin/CXCR4 inhibitor as an adjuvant to taxane-based chemotherapy in men with mCRPC to prevent and reduce bone metastases.
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23
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Mesenchymal Stem Cells Attract Endothelial Progenitor Cells via a Positive Feedback Loop between CXCR2 and CXCR4. Stem Cells Int 2019; 2019:4197164. [PMID: 31885605 PMCID: PMC6915119 DOI: 10.1155/2019/4197164] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 08/04/2019] [Accepted: 09/11/2019] [Indexed: 01/25/2023] Open
Abstract
Mesenchymal stem cells (MSCs) can attract host endothelial progenitor cells (EPCs) to promote vascularization in tissue-engineered constructs (TECs). Nevertheless, the underlying mechanism remains vague. This study is aimed at investigating the roles of CXCR2 and CXCR4 in the EPC migration towards MSCs. In vitro, Transwell assays were performed to evaluate the migration of EPCs towards MSCs. Antagonists and shRNAs targeting CXCR2, CXCR4, and JAK/STAT3 were applied for the signaling blockade. Western blot and RT-PCR were conducted to analyze the molecular events in EPCs. In vivo, TECs were constructed and subcutaneously implanted into GFP+ transgenic mice. Signaling inhibitors were injected in an orientated manner into TECs. Recruitment of host CD34+ cells was evaluated by immunofluorescence. Eventually, we demonstrated that CXCR2 and CXCR4 were both highly expressed in migrated EPCs and indispensable for MSC-induced EPC migration. CXCR2 and CXCR4 strongly correlated with each other in the way that the expression of CXCR2 and CXCR2-mediated migration depends on the activity of CXCR4 and vice versa. Further studies documented that both of CXCR2 and CXCR4 activated STAT3 signaling, which in turn regulated the expression of CXCR2 and CXCR4, as well as cell migration. In summary, we firstly introduced a reciprocal crosstalk between CXCR2 and CXCR4 in the context of EPC migration. This feedback loop plays critical roles in the migration of EPCs towards MSCs.
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24
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Gilbert W, Bragg R, Elmansi AM, McGee-Lawrence ME, Isales CM, Hamrick MW, Hill WD, Fulzele S. Stromal cell-derived factor-1 (CXCL12) and its role in bone and muscle biology. Cytokine 2019; 123:154783. [PMID: 31336263 PMCID: PMC6948927 DOI: 10.1016/j.cyto.2019.154783] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/08/2019] [Accepted: 07/16/2019] [Indexed: 02/07/2023]
Abstract
Musculoskeletal disorders are the leading cause of disability worldwide; two of the most prevalent of which are osteoporosis and sarcopenia. Each affect millions in the aging population across the world and the associated morbidity and mortality contributes to billions of dollars in annual healthcare cost. Thus, it is important to better understand the underlying pathologic mechanisms of the disease process. Regulatory chemokine, CXCL12, and its receptor, CXCR4, are recognized to be essential in the recruitment, localization, maintenance, development and differentiation of progenitor stem cells of the musculoskeletal system. CXCL12 signaling results in the development and functional ability of osteoblasts, osteoclasts, satellite cells and myoblasts critical to maintaining musculoskeletal homeostasis. Interestingly, one suggested pathologic mechanism of osteoporosis and sarcopenia is a decline in the regenerative capacity of musculoskeletal progenitor stem cells. Thus, because CXCL12 is critical to progenitor function, a disruption in the CXCL12 signaling axis might play a distinct role in these pathological processes. Therefore, in this article, we perform a review of CXCL12, its physiologic and pathologic function in bone and muscle, and potential targets for therapeutic development.
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Affiliation(s)
- William Gilbert
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States
| | - Robert Bragg
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States
| | - Ahmed M Elmansi
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC 29403, United States
| | - Meghan E McGee-Lawrence
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States; Cell Biology and Anatomy, Augusta University, Augusta, GA 30912, United States
| | - Carlos M Isales
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States; Department of Medicine, Augusta University, Augusta, GA 30912, United States
| | - Mark W Hamrick
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States; Cell Biology and Anatomy, Augusta University, Augusta, GA 30912, United States
| | - William D Hill
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC 29403, United States; Ralph H Johnson Veterans Affairs Medical Center, Charleston, SC 29403, United States
| | - Sadanand Fulzele
- Department of Orthopaedic Surgery, Augusta University, Augusta, GA 30912, United States; Cell Biology and Anatomy, Augusta University, Augusta, GA 30912, United States.
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25
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Xiao F, Chen L. Effects of extracorporeal fucosylation of CD44 on the homing ability of rabbit bone marrow mesenchymal stem cells. J Orthop Sci 2019; 24:725-730. [PMID: 30528224 DOI: 10.1016/j.jos.2018.11.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/23/2018] [Accepted: 11/16/2018] [Indexed: 02/09/2023]
Abstract
BACKGROUND The aim of the study was to investigate the effects of extracorporeal fucosylation of CD44 on the homing ability of rabbit bone marrow mesenchymal stem cells (BMSCs). METHODS The rabbit BMSCs were extracorporeal fucosylated using alpha-(1,3)-fucosyltransferase VI (FTVI), then the positive rate of sialyl-LewisX (sLeX) and the binding rate of E-selectin were detected by flow cytometry, as well as the fluid adhesion of rabbit BMSCs were detected by the parallel flow chamber adhesion test. Then BMSCs were constructed to stably express enhanced green fluorescent protein (EGFP) and were injected intravenously into the model rabbits with tibial fractures. After 6 weeks of injection, the levels of stromal cell-derived factor (SDF-1) and monocyte chemoattractant protein-1 (MCP-1) in rabbit serum and damaged bone tissues were detected. The positive rate of EGFP expressions was detected by immunohistochemistry staining. RESULTS After fucosylation, the positive rate of sLeX and the binding rate of E-selectin were significantly higher than those in the no fucosylated group. The results of fluorescence microscopy showed that BMSCs with stable expression of EGFP were successfully constructed. The results of ELISA and Western Blot showed that the secretion of SDF-1 and MCP-1 and the expression of SDF-1 and MCP-1 protein in BMSCs treatment group processed by fucosylated were significantly higher than those in BMSCs treatment group processed by no fucosylated. The results of immunohistochemical staining showed that the positive rate of EGFP expression was also significantly increased, which indicated that the BMSCs at the injured bone tissues were significantly increased and helpful in the repair of bone injury. CONCLUSIONS Extracorporeal fucosylation of CD44 molecules can significantly enhance the homing ability of rabbit BMSCs, which may be achieved by SDF-1 and MCP-1 regulation.
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Affiliation(s)
- Fei Xiao
- Department of Orthopaedics, Wuhan Fourth Hospital, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430033, China; Department of Orthopaedic Surgery, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, 430071, China
| | - Liaobin Chen
- Department of Orthopaedic Surgery, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, 430071, China.
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26
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Regeneration of large bone defects using mesoporous silica coated magnetic nanoparticles during distraction osteogenesis. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 21:102040. [PMID: 31228602 DOI: 10.1016/j.nano.2019.102040] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 02/04/2023]
Abstract
Distraction osteogenesis (DO) represents an effective but undesirably lengthy treatment for large bone defects. Both magnetic nanoparticles and silicon have been shown to induce osteogenic differentiation of mesenchymal stem cells (MSCs), the key participant in bone regeneration. We herein synthesized mesoporous silica coated magnetic (Fe3O4) nanoparticles (M-MSNs) and evaluated its potential for acceleration of bone regeneration in a rat DO model. The M-MSNs exhibited good biocompatibility and remarkable capability in promoting the osteogenic differentiation of MSCs via the canonical Wnt/β-catenin pathway in vitro. More importantly, local injection of M-MSNs dramatically accelerated bone regeneration in a rat DO model according to the results of X-ray imaging, micro-CT, mechanical testing, histological examination, and immunochemical analysis. This study demonstrates the notable potential of M-MSNs in promoting bone regeneration during DO by enhancing the osteogenic differentiation of MSCs, paving the way for clinical translation of M-MSNs in DO to repair large bone defects.
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27
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Paudel S, Lee WH, Lee M, Zahoor T, Mitchell R, Yang SY, Zhao H, Schon L, Zhang Z. Intravenous administration of multipotent stromal cells and bone allograft modification to enhance allograft healing. Regen Med 2019; 14:199-211. [PMID: 30761943 DOI: 10.2217/rme-2018-0063] [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: 11/21/2022] Open
Abstract
Aim: This study investigated a coordinated strategy of revitalizing bone allograft with circulating multipotent stromal cells (MSCs). Materials & methods: After chemotactic and releasing assessments, stromal cell-derived factor 1 and platelet-derived growth factor BB in copolymers were coated on the bone allograft (AlloS-P). Allograft coated with copolymers alone (Allo), as controls, or AlloS-P was implanted into the femur of athymic mice, which received intravenous injections of human MSCs or saline at weeks 1, 2 and 3. Results: At week 8, the total callus volume (both cartilaginous and bony callus) around the allograft was the largest in the AlloS-P + MSC group (p < 0.05). Conclusion: Coating bone allograft with stromal cell-derived factor 1 and platelet-derived growth factor BB and intravenous injections of MSCs improved allograft incorporation.
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Affiliation(s)
- Sharada Paudel
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Wen-Han Lee
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Moses Lee
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Talal Zahoor
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Reed Mitchell
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Shang-You Yang
- Department of Orthopaedic Surgery, University of Kansas School of Medicine-Wichita, Wichita, KS, USA
| | - Haiqing Zhao
- Department of Biology, Johns Hopkins University, Baltimore, MD, USA
| | - Lew Schon
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
| | - Zijun Zhang
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, MD, USA
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Jia Y, Zhu Y, Qiu S, Xu J, Chai Y. Exosomes secreted by endothelial progenitor cells accelerate bone regeneration during distraction osteogenesis by stimulating angiogenesis. Stem Cell Res Ther 2019; 10:12. [PMID: 30635031 PMCID: PMC6329174 DOI: 10.1186/s13287-018-1115-7] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/11/2018] [Accepted: 12/18/2018] [Indexed: 01/17/2023] Open
Abstract
Background Distraction osteogenesis (DO) is an effective but lengthy procedure to fully induce bone regeneration in large bone defects. Accumulating evidence supports the role of exosomes secreted by endothelial progenitor cells (EPC-Exos) in stimulating angiogenesis, which is closely coupled with osteogenesis. This study aimed to investigate whether EPC-Exos promote bone regeneration during DO in rats. Methods Exosomes were isolated from the supernatants of rat bone marrow EPCs via ultracentrifugation and characterized via transmission electron microscopy, tunable resistive pulse sensing analysis, and western blot analysis. Unilateral tibial DO models were generated using 68 Sprague-Dawley rats with a distraction rate of 0.5 mm per day for 10 days. After local injection of EPC-Exos into the distraction gaps after distraction, the therapeutic effects of EPC-Exos on bone regeneration and angiogenesis were assessed via X-ray, micro-computed tomography (micro-CT), and biomechanical and histological analyses. Pro-angiogenic effects and the potential mechanism underlying the effects of EPC-Exos on human umbilical vein endothelial cells were subsequently evaluated via in vitro assays including Cell Counting Kit-8, wound healing, tube formation, and western blot assays. Results EPC-Exos were spherical or cup-shaped vesicles ranging from 50 to 150 nm in diameter and expressed markers including CD9, Alix, and TSG101. X-ray, micro-CT, and histological analyses revealed that bone regeneration was markedly accelerated in rats treated with EPC-Exos. The distracted tibias from the Exos group also displayed enhanced mechanical properties. Moreover, vessel density was higher in the Exos group than in the control group. In addition, in vitro analyses revealed that EPC-Exos enhanced the proliferation, migration, and angiogenic capacity of endothelial cells in an miR-126-dependent manner. Further, EPC-Exos downregulated SPRED1 and activated Raf/ERK signaling. Conclusions The present results show that EPC-Exos accelerate bone regeneration during DO by stimulating angiogenesis, suggesting their use as a novel method to shorten the treatment duration of DO.
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Affiliation(s)
- Yachao Jia
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Rd 600, Shanghai, 200233, People's Republic of China
| | - Yu Zhu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Rd 600, Shanghai, 200233, People's Republic of China
| | - Shuo Qiu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Rd 600, Shanghai, 200233, People's Republic of China
| | - Jia Xu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Rd 600, Shanghai, 200233, People's Republic of China.
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Rd 600, Shanghai, 200233, People's Republic of China.
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Wang X, Wang G, Zingales S, Zhao B. Biomaterials Enabled Cell-Free Strategies for Endogenous Bone Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2018; 24:463-481. [PMID: 29897021 DOI: 10.1089/ten.teb.2018.0012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Repairing bone defects poses a major orthopedic challenge because current treatments are constrained by the limited regenerative capacity of human bone tissue. Novel therapeutic strategies, such as stem cell therapy and tissue engineering, have the potential to enhance bone healing and regeneration, and hence may improve quality of life for millions of people. However, the ex vivo expansion of stem cells and their in vivo delivery pose technical difficulties that hamper clinical translation and commercial development. A promising alternative to cell delivery-based strategies is to stimulate or augment the inherent self-repair mechanisms of the patient to promote endogenous restoration of the lost/damaged bone. There is growing evidence indicating that increasing the endogenous regenerative potency of bone tissues for therapeutics will require the design and development of new generations of biomedical devices that provide key signaling molecules to instruct cell recruitment and manipulate cell fate for in situ tissue regeneration. Currently, a broad range of biomaterial-based deployment technologies are becoming available, which allow for controlled spatial presentation of biological cues required for endogenous bone regeneration. This article aims to explore the proposed concepts and biomaterial-enabled strategies involved in the design of cell-free endogenous techniques in bone regenerative medicine.
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Affiliation(s)
- Xiaojing Wang
- 1 Dental Implant Center, Affiliated Hospital of Qingdao University , Qingdao, P.R. China .,2 School of Stomatology, Qingdao University , Qingdao, Shandong, P.R. China
| | - Guowei Wang
- 3 Department of Stomatology, Laoshan Branch of No. 401 Hospital of the Chinese Navy , Qingdao, Shandong, P.R. China
| | - Sarah Zingales
- 4 Department of Chemistry and Biochemistry, Georgia Southern University , Savannah, Georgia
| | - Baodong Zhao
- 1 Dental Implant Center, Affiliated Hospital of Qingdao University , Qingdao, P.R. China .,2 School of Stomatology, Qingdao University , Qingdao, Shandong, P.R. China
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30
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Zhang B, Li H, He L, Han Z, Zhou T, Zhi W, Lu X, Lu X, Weng J. Surface-decorated hydroxyapatite scaffold with on-demand delivery of dexamethasone and stromal cell derived factor-1 for enhanced osteogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 89:355-370. [DOI: 10.1016/j.msec.2018.04.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 03/17/2018] [Accepted: 04/09/2018] [Indexed: 12/17/2022]
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Wang C, Abu-Amer Y, O'Keefe RJ, Shen J. Loss of Dnmt3b in Chondrocytes Leads to Delayed Endochondral Ossification and Fracture Repair. J Bone Miner Res 2018; 33:283-297. [PMID: 29024060 PMCID: PMC5809267 DOI: 10.1002/jbmr.3305] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 09/27/2017] [Accepted: 10/07/2017] [Indexed: 12/12/2022]
Abstract
Despite advanced understanding of signaling mediated by local and systemic factors, the role of epigenetic factors in the regulation of bone regeneration remains vague. The DNA methyltransferases (Dnmts) Dnmt3a and Dnmt3b have tissue specific expression patterns and create unique methylation signatures to regulate gene expression. Using a stabilized murine tibia fracture model we find that Dnmt3b is induced early in fracture healing, peaks at 10 days post fracture (dpf), and declines to nearly undetectable levels by 28 dpf. Dnmt3b expression was cell-specific and stage-specific. High levels were observed in chondrogenic lineage cells within the fracture callus. To determine the role of Dnmt3b in fracture healing, Agc1CreERT2 ;Dnmt3bf/f (Dnmt3bAgc1ER ) mice were generated to delete Dnmt3b in chondrogenic cells. Dnmt3bAgc1ER fracture displayed chondrogenesis and chondrocyte maturation defect, and a delay in the later events of angiogenesis, ossification, and bone remodeling. Biomechanical studies demonstrated markedly reduced strength in Dnmt3bAgc1ER fractures and confirmed the delay in repair. The angiogenic response was reduced in both vessel number and volume at 10 and 14 dpf in Dnmt3bAgc1ER mice. Immunohistochemistry showed decreased CD31 expression, consistent with the reduced angiogenesis. Finally, in vitro angiogenesis assays with human umbilical vein endothelial cells (HUVECs) revealed that loss of Dnmt3b in chondrocytes significantly reduced tube formation and endothelial migration. To identify specific angiogenic factors involved in the decreased callus vascularization, a protein array was performed using conditioned media isolated from control and Dnmt3b loss-of-function chondrocytes. Several angiogenic factors, including CXCL12 and osteopontin (OPN) were reduced in chondrocytes following loss of Dnmt3b. DNA methylation analysis further identified hypomethylation in Cxcl12 promoter region. Importantly, the defects in tube formation and cell migration could be rescued by administration of CXCL12 and/or OPN. Altogether, our findings establish that Dnmt3b positively regulates chondrocyte maturation process, and its genetic ablation leads to delayed angiogenesis and fracture repair. © 2017 American Society for Bone and Mineral Research.
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Affiliation(s)
- Cuicui Wang
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, USA
| | - Yousef Abu-Amer
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, USA
| | - Regis J O'Keefe
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, USA
| | - Jie Shen
- Department of Orthopaedic Surgery, School of Medicine, Washington University, St. Louis, MO, USA
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Chen G, Fang T, Qi Y, Yin X, Di T, Feng G, Lei Z, Zhang Y, Huang Z. Combined Use of Mesenchymal Stromal Cell Sheet Transplantation and Local Injection of SDF-1 for Bone Repair in a Rat Nonunion Model. Cell Transplant 2018; 25:1801-1817. [PMID: 26883892 DOI: 10.3727/096368916x690980] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Bone nonunion treatments pose a challenge in orthopedics. This study investigated the joint effects of using mesenchymal stem cell (MSC) sheets with local injection of stromal cell-derived factor-1 (SDF-1) on bone formation. In vitro, we found that migration of MSCs was mediated by SDF-1 in a dose-dependent manner. Moreover, stimulation with SDF-1 had no direct effect on the proliferation or osteogenic differentiation of MSCs. Furthermore, the results indicated elevated expression levels of bone morphogenetic protein 2, alkaline phosphatase, osteocalcin, and vascular endothelial growth factor in MSC sheets compared with MSCs cultured in medium. New bone formation in fractures was evaluated by X-ray, micro-computed tomography (micro-CT), hematoxylin and eosin (H&E) staining, Safranin-O staining, and immunohistochemistry in vivo. In the rat bone fracture model, the MSC sheets transplanted into the injured site along with injection of SDF-1 showed significantly more new bone formation within the gap. Moreover, at 8 weeks, complete bone union was obtained in this group. In contrast, the control group showed nonunion of the bone. Our study suggests a new strategy involving the use of MSC sheets with a local injection of SDF-1 for hard tissue reconstruction, such as the healing of nonunions and bone defects.
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Affiliation(s)
- Guangnan Chen
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, P.R. China.,Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Tingting Fang
- Liver Cancer Institute, Zhongshan Hospital, Shanghai Medical School of Fudan University, Shanghai, P.R. China
| | - Yiying Qi
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Xiaofan Yin
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, P.R. China
| | - Tuoyu Di
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Gang Feng
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Zhong Lei
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Yuxiang Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Zhongming Huang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China.,Department of Orthopaedic Surgery, Affiliated Jiangnan Hospital of Zhejiang Chinese Medical University, Hangzhou, P.R. China.,Department of Orthopaedic Surgery, Xiaoshan Chinese Medical Hospital, Hangzhou, P.R. China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, P.R. China
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Osawa Y, Matsushita M, Hasegawa S, Esaki R, Fujio M, Ohkawara B, Ishiguro N, Ohno K, Kitoh H. Activated FGFR3 promotes bone formation via accelerating endochondral ossification in mouse model of distraction osteogenesis. Bone 2017; 105:42-49. [PMID: 28802681 DOI: 10.1016/j.bone.2017.05.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 05/15/2017] [Accepted: 05/19/2017] [Indexed: 01/19/2023]
Abstract
Achondroplasia (ACH) is one of the most common short-limbed skeletal dysplasias caused by gain-of-function mutations in the fibroblast growth factor receptors 3 (FGFR3) gene. Distraction osteogenesis (DO) is a treatment option for short stature in ACH in some countries. Although the patients with ACH usually show faster healing in DO, details of the newly formed bone have not been examined. We have developed a mouse model of DO and analyzed new bone regenerates of the transgenic mice with ACH (Fgfr3ach mice) histologically and morphologically. We established two kinds of DO protocols, the short-DO consisted of 5days of latency period followed by 5days of distraction with a rate of 0.4mm per 24h, and the long-DO consisted of the same latency period followed by 7days of distraction with a rate of 0.3mm per 12h. The callus formation was evaluated radiologically by bone fill score and quantified by micro-CT scan in both protocols. The histomorphometric analysis was performed in the short-DO protocol by various stainings, including Villanueva Goldner, Safranin-O/Fast green, tartrate-resistant acid phosphatase, and type X collagen. Bone fill scores were significantly higher in Fgfr3ach mice than in wild-type mice in both protocols. The individual bone parameters, including bone volume and bone volume/tissue volume, were also significantly higher in Fgfr3ach mice than in wild-type mice in both protocols. The numbers of osteoblasts, as well as osteoclasts, around the trabecular bone were increased in Fgfr3ach mice. Cartilaginous tissues of the distraction region rapidly disappeared in Fgfr3ach mice compared to wild-type mice during the consolidation phase. Similarly, type X collagen-positive cells were markedly decreased in Fgfr3ach mice during the same period. Fgfr3ach mice exhibited accelerated bone regeneration after DO. Accelerated endochondral ossification could contribute to faster healing in Fgfr3ach mice.
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Affiliation(s)
- Yusuke Osawa
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Japan; Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Japan.
| | - Masaki Matsushita
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Japan; Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Japan
| | - Sachi Hasegawa
- Department of Orthopaedic Surgery, Aichi Prefectural Colony Central Hospital, Japan
| | - Ryusaku Esaki
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Japan; Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Japan
| | - Masahito Fujio
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Bisei Ohkawara
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Japan
| | - Naoki Ishiguro
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Kinji Ohno
- Division of Neurogenetics, Center for Neurological Diseases and Cancer, Nagoya University Graduate School of Medicine, Japan
| | - Hiroshi Kitoh
- Department of Orthopaedic Surgery, Nagoya University Graduate School of Medicine, Japan
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Lee JC, Volpicelli EJ. Bioinspired Collagen Scaffolds in Cranial Bone Regeneration: From Bedside to Bench. Adv Healthc Mater 2017; 6:10.1002/adhm.201700232. [PMID: 28585295 PMCID: PMC5831258 DOI: 10.1002/adhm.201700232] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/11/2017] [Indexed: 12/24/2022]
Abstract
Calvarial defects are common reconstructive dilemmas secondary to a variety of etiologies including traumatic brain injury, cerebrovascular disease, oncologic resection, and congenital anomalies. Reconstruction of the calvarium is generally undertaken for the purposes of cerebral protection, contour restoration for psychosocial well-being, and normalization of neurological dysfunction frequently found in patients with massive cranial defects. Current methods for reconstruction using autologous grafts, allogeneic grafts, or alloplastic materials have significant drawbacks that are unique to each material. The combination of wide medical relevance and the need for a better clinical solution render defects of the cranial skeleton an ideal target for development of regenerative strategies focused on calvarial bone. With the improved understanding of the instructive properties of tissue-specific extracellular matrices and the advent of precise nanoscale modulation in materials science, strategies in regenerative medicine have shifted in paradigm. Previously considered to be simple carriers of stem cells and growth factors, increasing evidence exists for differential materials directing lineage specific differentiation of progenitor cells and tissue regeneration. In this work, we review the clinical challenges for calvarial reconstruction, the anatomy and physiology of bone, and extracellular matrix-inspired, collagen-based materials that have been tested for in vivo cranial defect healing.
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Affiliation(s)
- Justine C Lee
- Greater Los Angeles Veterans Affairs Research Service, Los Angeles, California
- University of California Los Angeles Division of Plastic and Reconstructive Surgery, Los Angeles, California
| | - Elizabeth J Volpicelli
- Greater Los Angeles Veterans Affairs Research Service, Los Angeles, California
- University of California Los Angeles Division of Plastic and Reconstructive Surgery, Los Angeles, California
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35
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Dai Y, Li X, Wu R, Jin Y, Gao C. Macrophages of Different Phenotypes Influence the Migration of BMSCs in PLGA Scaffolds with Different Pore Size. Biotechnol J 2017; 13. [DOI: 10.1002/biot.201700297] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/14/2017] [Indexed: 01/22/2023]
Affiliation(s)
- Yuankun Dai
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Xuguang Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Ruihan Wu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Ying Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
- Center for Stem Cell and Regenerative Medicine; Zhejiang University; Hangzhou 310027 China
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36
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Dutta D, Hickey K, Salifu M, Fauer C, Willingham C, Stabenfeldt SE. Spatiotemporal presentation of exogenous SDF-1 with PLGA nanoparticles modulates SDF-1/CXCR4 signaling axis in the rodent cortex. Biomater Sci 2017; 5:1640-1651. [PMID: 28703822 PMCID: PMC5588897 DOI: 10.1039/c7bm00489c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Stromal cell-derived factor-1 (SDF-1) and its key receptor CXCR4 have been implicated in directing cellular recruitment for several pathological/disease conditions thus also gained considerable attention for regenerative medicine. One regenerative approach includes sustained release of SDF-1 to stimulate prolonged stem cell recruitment. However, the impact of SDF-1 sustained release on the endogenous SDF-1/CXCR4 signaling axis is largely unknown as auto-regulatory mechanisms typically dictate cytokine/receptor signaling. We hypothesize that spatiotemporal presentation of exogenous SDF-1 is a key factor in achieving long-term manipulation of endogenous SDF-1/CXCR4 signaling. Here in the present study, we sought to probe our hypothesis using a transgenic mouse model to contrast the spatial activation of endogenous SDF-1 and CXCR4 in response to exogenous SDF-1 injected in bolus or controlled release (PLGA nanoparticles) form in the adult rodent cortex. Our data suggests that the manner of SDF-1 presentation significantly affected initial CXCR4 cellular activation/recruitment despite having similar protein payloads over the first 24 h (∼30 ng for both bolus and sustained release groups). Yet, one week post-injection, this response was negligible. Therefore, the transient nature CXCR4 recruitment/activation in response to bolus or controlled release SDF-1 indicated that cytokine/receptor auto-regulatory mechanisms may demand more complex release profiles (i.e. delayed and/or pulsed release) to achieve sustained cellular response.
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Affiliation(s)
- D Dutta
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
| | - K Hickey
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
| | - M Salifu
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
| | - C Fauer
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
| | - C Willingham
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
| | - S E Stabenfeldt
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
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37
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Fu F, Zhang K. [Research progress of the role of periosteum in distraction osteogenesis]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2017; 31:876-879. [PMID: 29798535 DOI: 10.7507/1002-1892.201701073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To review the research progress of the role of periosteum in distraction osteogenesis. Methods The related domestic and foreign literature about the role of periosteum in distraction osteogenesis in recent years was extensively reviewed, summarized, and the mechanism and influencing factors of periosteum during traction and osteogenesis were analyzed. Results The periosteum is rich in all kinds of cells (mesenchymal stem cells, osteoblasts, etc.), microvessel and various growth factors, which are necessary for the formation of new bone. It can promote the formation of new bone in the process of traction osteogenesis significantly. Conclusion The periosteum plays an important role in the progress of distraction osteogenesis.
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Affiliation(s)
- Fangang Fu
- Department of Orthopedics, Binzhou Medical University Hospital, Binzhou Shandong, 256600, P.R.China
| | - Kai Zhang
- Department of Orthopedics, Binzhou Medical University Hospital, Binzhou Shandong, 256600,
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Xu J, Chen Y, Liu Y, Zhang J, Kang Q, Ho K, Chai Y, Li G. Effect of SDF-1/Cxcr4 Signaling Antagonist AMD3100 on Bone Mineralization in Distraction Osteogenesis. Calcif Tissue Int 2017; 100:641-652. [PMID: 28303319 DOI: 10.1007/s00223-017-0249-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 01/30/2017] [Indexed: 01/16/2023]
Abstract
Distraction osteogenesis (DO) is a widely applied technique in orthopedics surgery, which involves rapid stem cell migration, homing, and differentiation. Interactions between the chemokine receptor Cxcr4 and its ligand, stromal derived factor-1 (SDF-1), regulate hematopoietic stem cell trafficking to the ischemic area and induce their subsequent differentiation. Here, we examined SDF-1 expression and further investigated the role of SDF-1/Cxcr4 signaling antagonist AMD3100 during bone regeneration in rat DO model. The results showed that expression levels of SDF-1 and osteogenic genes were higher in DO zones than in the fracture zones, and SDF-1 expression level was the highest at the termination of the distraction phase. Radiological, mechanical, and histological analyses demonstrated that the local administration of AMD3100 (400 μM) to DO rats significantly inhibited new bone formation. In the rat bone marrow mesenchymal stem cells culture, comparing to the group treated with osteogenic induction medium, AMD3100 supplement led to a considerable decrease in the expression of alkaline phosphatase and early osteogenic marker genes. However, the amount of calcium deposits in rat MSCs did not differ between the groups. Therefore, our study demonstrated that the DO process induced higher expression of SDF-1, which collated to rapid induction of callus formation. Local application of SDF-1/Cxcr4 signaling antagonist AMD3100 significantly inhibited bone mineralization and osteogenesis in DO, which may represent a potential therapeutic approach to the enhancement of bone consolidation in patients undergoing DO.
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Affiliation(s)
- Jia Xu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Yuanfeng Chen
- Department of Orthopaedics & Traumatology, Stem Cells and Regeneration Laboratory, Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Room 904, 9/F, Shatin, Hong Kong Sar, People's Republic of China
- Institute of Orthopedic Diseases and Department of Orthopedics, the First Affiliated Hospital, Jinan University, Guangzhou, People's Republic of China
| | - Yang Liu
- Department of Orthopaedics & Traumatology, Stem Cells and Regeneration Laboratory, Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Room 904, 9/F, Shatin, Hong Kong Sar, People's Republic of China
| | - Jinfang Zhang
- Department of Orthopaedics & Traumatology, Stem Cells and Regeneration Laboratory, Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Room 904, 9/F, Shatin, Hong Kong Sar, People's Republic of China
| | - Qinglin Kang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Kiwai Ho
- Department of Orthopaedics & Traumatology, Stem Cells and Regeneration Laboratory, Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Room 904, 9/F, Shatin, Hong Kong Sar, People's Republic of China
| | - Yimin Chai
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China.
| | - Gang Li
- Department of Orthopaedics & Traumatology, Stem Cells and Regeneration Laboratory, Li Ka Shing Institute of Health Sciences, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Room 904, 9/F, Shatin, Hong Kong Sar, People's Republic of China.
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Yang Y, Lin S, Wang B, Gu W, Li G. Stem cell therapy for enhancement of bone consolidation in distraction osteogenesis: A contemporary review of experimental studies. Bone Joint Res 2017. [PMID: 28634158 PMCID: PMC5492338 DOI: 10.1302/2046-3758.66.bjr-2017-0023] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Objectives Distraction osteogenesis (DO) mobilises bone regenerative potential and avoids the complications of other treatments such as bone graft. The major disadvantage of DO is the length of time required for bone consolidation. Mesenchymal stem cells (MSCs) have been used to promote bone formation with some good results. Methods We hereby review the published literature on the use of MSCs in promoting bone consolidation during DO. Results Studies differed in animal type (mice, rabbit, dog, sheep), bone type (femur, tibia, skull), DO protocols and cell transplantation methods. Conclusion The majority of studies reported that the transplantation of MSCs enhanced bone consolidation or formation in DO. Many questions relating to animal model, DO protocol and cell transplantation regime remain to be further investigated. Clinical trials are needed to test and confirm these findings from animal studies. Cite this article: Y. Yang, S. Lin, B. Wang, W. Gu, G. Li. Stem cell therapy for enhancement of bone consolidation in distraction osteogenesis: A contemporary review of experimental studies. Bone Joint Res 2017;6:385–390. DOI: 10.1302/2046-3758.66.BJR-2017-0023.
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Affiliation(s)
- Y Yang
- Department of Key Laboratory, Changzhou No.7 People's Hospital, No. 288 Yanling East Road, Changzhou, Jiangsu, China
| | - S Lin
- Department of Orthopaedics and Traumatology, Lui Che Woo Institute of Innovative Medicine, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Prince of Wales Hospital, Shatin, NT, Hong Kong, China
| | - B Wang
- Department of Orthopaedics and Traumatology, Lui Che Woo Institute of Innovative Medicine, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Prince of Wales Hospital, Shatin, NT, Hong Kong, China
| | - W Gu
- Department of Traumatology, Changzhou No.7 People's Hospital, No. 288 Yanling East Road, Changzhou, Jiangsu, China
| | - G Li
- Department of Orthopaedics and Traumatology, Lui Che Woo Institute of Innovative Medicine, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Prince of Wales Hospital, Shatin, NT, Hong Kong, China
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40
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Injection of SDF-1 loaded nanoparticles following traumatic brain injury stimulates neural stem cell recruitment. Int J Pharm 2017; 519:323-331. [DOI: 10.1016/j.ijpharm.2017.01.036] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 01/16/2017] [Accepted: 01/17/2017] [Indexed: 01/05/2023]
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41
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Mele L, Vitiello PP, Tirino V, Paino F, De Rosa A, Liccardo D, Papaccio G, Desiderio V. Changing Paradigms in Cranio-Facial Regeneration: Current and New Strategies for the Activation of Endogenous Stem Cells. Front Physiol 2016; 7:62. [PMID: 26941656 PMCID: PMC4764712 DOI: 10.3389/fphys.2016.00062] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 02/09/2016] [Indexed: 12/20/2022] Open
Abstract
Craniofacial area represent a unique district of human body characterized by a very high complexity of tissues, innervation and vascularization, and being deputed to many fundamental function such as eating, speech, expression of emotions, delivery of sensations such as taste, sight, and earing. For this reasons, tissue loss in this area following trauma or for example oncologic resection, have a tremendous impact on patients' quality of life. In the last 20 years regenerative medicine has emerged as one of the most promising approach to solve problem related to trauma, tissue loss, organ failure etc. One of the most powerful tools to be used for tissue regeneration is represented by stem cells, which have been successfully implanted in different tissue/organs with exciting results. Nevertheless, both autologous and allogeneic stem cell transplantation raise many practical and ethical concerns that make this approach very difficult to apply in clinical practice. For this reason different cell free approaches have been developed aiming to the mobilization, recruitment, and activation of endogenous stem cells into the injury site avoiding exogenous cells implant but instead stimulating patients' own stem cells to repair the lesion. To this aim many strategies have been used including functionalized bioscaffold, controlled release of stem cell chemoattractants, growth factors, BMPs, Platelet-Rich-Plasma, and other new strategies such as ultrasound wave and laser are just being proposed. Here we review all the current and new strategies used for activation and mobilization of endogenous stem cells in the regeneration of craniofacial tissue.
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Affiliation(s)
- Luigi Mele
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
| | - Pietro Paolo Vitiello
- Medical Oncology, Dipartimento Medico-Chirurgico di Internistica Clinica e Sperimentale "F. Magrassi e A. Lanzara," Second University of Naples Naples, Italy
| | - Virginia Tirino
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
| | - Francesca Paino
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
| | - Alfredo De Rosa
- Department of Odontology and Surgery, Second University of Naples Naples, Italy
| | - Davide Liccardo
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
| | - Gianpaolo Papaccio
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
| | - Vincenzo Desiderio
- Department of Experimental Medicine, Section of Biotechnology and Medical Histology and Embryology, Second University of Naples Naples, Italy
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42
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Hibi H. Clinical review of bone regenerative medicine and maxillomandibular reconstruction. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/s1348-8643(15)00037-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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43
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Wei H, Zhao X, Yuan R, Dai X, Li Y, Liu L. Effects of PB-EPCs on Homing Ability of Rabbit BMSCs via Endogenous SDF-1 and MCP-1. PLoS One 2015; 10:e0145044. [PMID: 26660527 PMCID: PMC4682485 DOI: 10.1371/journal.pone.0145044] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 11/29/2015] [Indexed: 01/07/2023] Open
Abstract
Traumas, infections, tumors, and some congenital malformations can lead to bone defects or even bone loss. The goal of the present study was to investigate whether inclusion of endothelial progenitor cells derived from peripheral blood (PB–EPCs) in cell-seeded partially deproteinized bone (PDPB) implants would stimulate recruitment of systemically injected bone marrow stromal cells (BMSCs) to the implant. Methods: BMSCs were injected intravenously with lentiviral expression vector expressing enhanced green fluorescent protein (eGFP) for tracing. Recruitment of eGFP-positive BMSCs was tested for the following implant configurations: 1) seeded with both BMSC and PB-EPC, 2) BMSC alone, 3) PB-EPC alone, and 4) unseeded PDPB. Protein and mRNA levels of endogenous stromal-derived factor-1 (SDF-1) and its receptor CXCR4, as well as monocyte chemotactic protein-1 (MCP-1) and its receptor CCR2, were evaluated on the 8th week. Immunohistochemical staining was performed to determine eGFP-positive areas at the defective sites. Masson’s trichrome staining was conducted to observe the distribution of collagen deposition and evaluate the extent of osteogenesis. Results: The mRNA and protein levels of SDF-1 and CXCR4 in the co-culture group were higher than those in other groups (p < 0.05) 8 weeks after the surgery. MCP-1 mRNA level in the co-culture group was also higher than that in the other groups (p < 0.05). Immunohistochemical assays revealed that the area covered by eGFP-positive cells was larger in the co-culture group than in the other groups (p < 0.05) after 4 weeks. Masson’s trichrome staining revealed better osteogenic potential of the co-culture group compared to the other groups (p < 0.05). Conclusion: These experiments demonstrate an association between PB-EPC and BMSC recruitment mediated by the SDF-1/CXCR4 axis that can enhance repair of bone defects.
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Affiliation(s)
- Hanxiao Wei
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
| | - Xian Zhao
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
| | - Ruihong Yuan
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
| | - Xiaoming Dai
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
| | - Yisong Li
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
| | - Liu Liu
- Department of Plastic Surgery, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, PR of China
- * E-mail:
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Fujio M, Xing Z, Sharabi N, Xue Y, Yamamoto A, Hibi H, Ueda M, Fristad I, Mustafa K. Conditioned media from hypoxic-cultured human dental pulp cells promotes bone healing during distraction osteogenesis. J Tissue Eng Regen Med 2015; 11:2116-2126. [PMID: 26612624 PMCID: PMC5516172 DOI: 10.1002/term.2109] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 10/07/2015] [Accepted: 10/15/2015] [Indexed: 02/06/2023]
Abstract
Distraction osteogenesis (DO) is a surgical procedure used to correct various skeletal disorders. Improving the technique by reducing the healing time would be of clinical relevance. The aim of this study was to determine the angiogenic and regenerative potential of conditioned media (CMs) collected from human dental pulp cells (hDPCs) grown under different culture conditions. CM collected from cells under hypoxia was used to improve bone healing and the DO procedure in vivo. The angiogenic potentials of CMs collected from hDPCs grown under normoxic (−Nor) and hypoxic (−Hyp) conditions were evaluated by quantitative PCR (VEGF‐A, angiopoietin‐1, angiopoietin‐2, interleukin‐6 (IL‐6) and CXCL12), ELISA assays (VEGF‐A, Ang‐2), tube‐formation and wound‐healing assays, using human umbilical vein endothelial cells. The results demonstrated that hypoxic CM had significantly higher angiogenic potential than normoxic CM. Human fetal osteoblasts (hFOBs) were exposed to CM, followed by alizarin red staining, to assess the osteogenic potential. It was found that CM did not enhance the mineralization capacity of hFOBs. DO was performed in the tibiae of 30 mice, followed by a local injection of 20 µl CM (CM–Nor and CM–Hyp groups) or serum‐free DMEM (control group) into the distraction zone every second day. The mice were sacrificed at days 13 and 27. The CM–Hyp treatment revealed a higher X‐ray density than the control group (p < 0.05). Our study suggests that the angiogenic effect promoted by hypoxic culture conditions is dependent on VEGF‐A and Ang‐2 released from hDPCs. Furthermore, CM–Hyp treatment may thus improve the DO procedure, accelerating bone healing. © 2015 The Authors. Journal of Tissue Engineering and Regenerative Medicine published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Masahito Fujio
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway.,Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Zhe Xing
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway
| | - Niyaz Sharabi
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway
| | - Ying Xue
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway
| | - Akihito Yamamoto
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Hideharu Hibi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Minoru Ueda
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Japan
| | - Inge Fristad
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Centre for Clinical Dental Research, University of Bergen, Norway
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Dutta D, Fauer C, Mulleneux HL, Stabenfeldt SE. Tunable Controlled Release of Bioactive SDF-1α via Protein Specific Interactions within Fibrin/Nanoparticle Composites. J Mater Chem B 2015; 3:7963-7973. [PMID: 26660666 DOI: 10.1039/c5tb00935a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The chemokine, stromal cell-derived factor 1α (SDF-1α), is a key regulator of the endogenous neural progenitor/stem cell-mediated regenerative response after neural injury. Increased and sustained bioavailability of SDF-1α in the peri-injury region is hypothesized to modulate this endogenous repair response. Here, we describe poly(lactic-co-glycolic) acid (PLGA) nanoparticles capable of releasing bioactive SDF-1α in a sustained manner over 60days after a burst of 23%. Moreover, we report a biphasic cellular response to SDF-1α concentrations thus the large initial burst release in an in vivo setting may result in supratherapeutic concentrations of SDF-1α. Specific protein-protein interactions between SDF-1α and fibrin (as well as its monomer, fibrinogen) were exploited to control the magnitude of the burst release. Nanoparticles embedded in fibrin significantly reduced the amount of SDF-1α released after 72 hrs as a function of fibrin density. Therefore, the nanoparticle/fibrin composites represented a means to independently tune the magnitude of the burst phase release from the nanoparticles while perserving a bioactive depot of SDF-1α for release over 60days.
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Affiliation(s)
- D Dutta
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - C Fauer
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - H L Mulleneux
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - S E Stabenfeldt
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
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Compton J, Fragomen A, Rozbruch SR. Skeletal Repair in Distraction Osteogenesis: Mechanisms and Enhancements. JBJS Rev 2015; 3:01874474-201508000-00002. [PMID: 27490473 DOI: 10.2106/jbjs.rvw.n.00107] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jocelyn Compton
- Columbia University College of Physicians and Surgeons, 630 West 168th Street, New York, NY 10031
| | - Austin Fragomen
- Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021
| | - S Robert Rozbruch
- Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021
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Hwang HD, Lee JT, Koh JT, Jung HM, Lee HJ, Kwon TG. Sequential Treatment with SDF-1 and BMP-2 Potentiates Bone Formation in Calvarial Defects. Tissue Eng Part A 2015; 21:2125-35. [PMID: 25919507 DOI: 10.1089/ten.tea.2014.0571] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Stromal cell-derived factor-1 (SDF-1) protein and its receptor, CXCR-4, play an important role in tissue repair and regeneration in various organs, including the bone. SDF-1 is indispensable for bone morphogenetic protein-2 (BMP-2)-induced osteogenic differentiation. However, SDF-1 is not needed after the osteogenic induction has been activated. Since the precise condition for the additive effects of combined DF-1 and BMP-2 in bone healing had not been fully investigated, we aimed to determine the optimal conditions for SDF-1- and BMP-2-mediated bone regeneration. We examined the in vitro osteoblastic differentiation and cell migration after sequential treatments with SDF-1 and BMP-2. Based on the in vitro additive effects of SDF-1 and BMP-2, the critical size defects of mice calvaria were treated with these cytokines in various sequences. Phosphate buffered saline (PBS)-, SDF-1-, or BMP-2-soaked collagen scaffolds were implanted into the calvarial defects (n=36). Periodic percutaneous injections of PBS or the cytokine SDF-1 and BMP-2 into the implanted scaffolds were performed on days 3 and 6, postoperatively. Six experimental groups were used according to the types and sequences of the cytokine treatments. After 28 days, the mice were euthanized and bone formation was evaluated with microcomputed tomography and histology. The molecular mechanism of the additive effect of SDF-1 and BMP-2 was evaluated by analyzing intracellular signal transduction through Smad and Erk phosphorylation. The in vitro experiments revealed that, among all the treatments, the treatment with BMP-2 after SDF-1 showed the strongest osteoblastic differentiation and enhanced cell migration. Similarly, in the animal model, the treatment with SDF-1 followed by BMP-2 treatment showed the highest degree of new bone regeneration than any other groups, including the one with continuous BMP-2 treatment. This new bone formation can be partially explained by the activation of Smad and Erk pathways and enhanced cell migration. These results suggest that sequential treatment with the cytokines, SDF-1 and BMP-2, may be a promising strategy for accelerating bone regeneration in critical size defects.
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Affiliation(s)
- Hee-Don Hwang
- 1 Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University , Daegu, Republic of Korea
| | - Jung-Tae Lee
- 1 Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University , Daegu, Republic of Korea
| | - Jeong-Tae Koh
- 2 Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University , Gwangju, Republic of Korea
| | - Hong-Moon Jung
- 1 Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University , Daegu, Republic of Korea
| | - Heon-Jin Lee
- 3 Department of Oral Microbiology, School of Dentistry, Kyungpook National University , Daegu, Republic of Korea
| | - Tae-Geon Kwon
- 1 Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University , Daegu, Republic of Korea
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Herrmann M, Verrier S, Alini M. Strategies to Stimulate Mobilization and Homing of Endogenous Stem and Progenitor Cells for Bone Tissue Repair. Front Bioeng Biotechnol 2015; 3:79. [PMID: 26082926 PMCID: PMC4451737 DOI: 10.3389/fbioe.2015.00079] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Accepted: 05/16/2015] [Indexed: 12/17/2022] Open
Abstract
The gold standard for the treatment of critical-size bone defects is autologous or allogenic bone graft. This has several limitations including donor site morbidity and the restricted supply of graft material. Cell-based tissue engineering strategies represent an alternative approach. Mesenchymal stem cells (MSCs) have been considered as a source of osteoprogenitor cells. More recently, focus has been placed on the use of endothelial progenitor cells (EPCs), since vascularization is a critical step in bone healing. Although many of these approaches have demonstrated effectiveness for bone regeneration, cell-based therapies require time consuming and cost-expensive in vitro cell expansion procedures. Accordingly, research is becoming increasingly focused on the homing and stimulation of native cells. The stromal cell-derived factor-1 (SDF-1) - CXCR4 axis has been shown to be critical for the recruitment of MSCs and EPCs. Vascular endothelial growth factor (VEGF) is a key factor in angiogenesis and has been targeted in many studies. Here, we present an overview of the different approaches for delivering homing factors to the defect site by absorption or incorporation to biomaterials, gene therapy, or via genetically manipulated cells. We further review strategies focusing on the stimulation of endogenous cells to support bone repair. Finally, we discuss the major challenges in the treatment of critical-size bone defects and fracture non-unions.
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Affiliation(s)
| | | | - Mauro Alini
- AO Research Institute Davos , Davos , Switzerland
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49
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Addington CP, Roussas A, Dutta D, Stabenfeldt SE. Endogenous repair signaling after brain injury and complementary bioengineering approaches to enhance neural regeneration. Biomark Insights 2015; 10:43-60. [PMID: 25983552 PMCID: PMC4429653 DOI: 10.4137/bmi.s20062] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 03/20/2015] [Accepted: 03/24/2015] [Indexed: 02/06/2023] Open
Abstract
Traumatic brain injury (TBI) affects 5.3 million Americans annually. Despite the many long-term deficits associated with TBI, there currently are no clinically available therapies that directly address the underlying pathologies contributing to these deficits. Preclinical studies have investigated various therapeutic approaches for TBI: two such approaches are stem cell transplantation and delivery of bioactive factors to mitigate the biochemical insult affiliated with TBI. However, success with either of these approaches has been limited largely due to the complexity of the injury microenvironment. As such, this review outlines the many factors of the injury microenvironment that mediate endogenous neural regeneration after TBI and the corresponding bioengineering approaches that harness these inherent signaling mechanisms to further amplify regenerative efforts.
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Affiliation(s)
- Caroline P Addington
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Adam Roussas
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Dipankar Dutta
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Sarah E Stabenfeldt
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
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50
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Effect of dual treatment with SDF-1 and BMP-2 on ectopic and orthotopic bone formation. PLoS One 2015; 10:e0120051. [PMID: 25781922 PMCID: PMC4363323 DOI: 10.1371/journal.pone.0120051] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2014] [Accepted: 02/02/2015] [Indexed: 01/07/2023] Open
Abstract
Purposes The potent stem cell homing factor stromal cell-derived factor-1 (SDF-1) actively recruits mesenchymal stem cells from circulation and from local bone marrow. It is well established that bone morphogenetic protein-2 (BMP-2) induces ectopic and orthotopic bone formation. However, the exact synergistic effects of BMP-2 and SDF-1 in ectopic and orthotopic bone regeneration models have not been fully investigated. The purpose of this study was to evaluate the potential effects of simultaneous SDF-1 and BMP-2 treatment on bone formation. Materials and Methods Various doses of SDF-1 were loaded onto collagen sponges with or without BMP-2.These sponges were implanted into subcutaneous pockets and critical-size calvarial defects in C57BL/6 mice. The specimens were harvested 4 weeks post-surgery and the degree of bone formation in specimens was evaluated by histomorphometric and radiographic density analyses. Osteogenic potential and migration capacity of mesenchymal cells and capillary tube formation of endothelial cells following dual treatment with SDF-1 and BMP-2 were evaluated with in vitro assays. Results SDF-1-only-treated implants did not yield significant in vivo bone formation and SDF-1 treatment did not enhance BMP-2-induced ectopic and orthotopic bone regeneration. In vitro experiments showed that concomitant use of BMP-2 and SDF-1 had no additive effect on osteoblastic differentiation, cell migration or angiogenesis compared to BMP-2 or SDF-1 treatment alone. Conclusions These findings imply that sequence-controlled application of SDF-1 and BMP-2 must be further investigated for the enhancement of robust osteogenesis in bone defects.
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