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Deng M, Gao F, Liu T, Zhan W, Quan J, Zhao Z, Wu X, Zhong Z, Zheng H, Chu J. T. gondii excretory proteins promote the osteogenic differentiation of human bone mesenchymal stem cells via the BMP/Smad signaling pathway. J Orthop Surg Res 2024; 19:386. [PMID: 38951811 PMCID: PMC11218376 DOI: 10.1186/s13018-024-04839-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 06/05/2024] [Indexed: 07/03/2024] Open
Abstract
BACKGROUND Bone defects, resulting from substantial bone loss that exceeds the natural self-healing capacity, pose significant challenges to current therapeutic approaches due to various limitations. In the quest for alternative therapeutic strategies, bone tissue engineering has emerged as a promising avenue. Notably, excretory proteins from Toxoplasma gondii (TgEP), recognized for their immunogenicity and broad spectrum of biological activities secreted or excreted during the parasite's lifecycle, have been identified as potential facilitators of osteogenic differentiation in human bone marrow mesenchymal stem cells (hBMSCs). Building on our previous findings that TgEP can enhance osteogenic differentiation, this study investigated the molecular mechanisms underlying this effect and assessed its therapeutic potential in vivo. METHODS We determined the optimum concentration of TgEP through cell cytotoxicity and cell proliferation assays. Subsequently, hBMSCs were treated with the appropriate concentration of TgEP. We assessed osteogenic protein markers, including alkaline phosphatase (ALP), Runx2, and Osx, as well as components of the BMP/Smad signaling pathway using quantitative real-time PCR (qRT-PCR), siRNA interference of hBMSCs, Western blot analysis, and other methods. Furthermore, we created a bone defect model in Sprague-Dawley (SD) male rats and filled the defect areas with the GelMa hydrogel, with or without TgEP. Microcomputed tomography (micro-CT) was employed to analyze the bone parameters of defect sites. H&E, Masson and immunohistochemical staining were used to assess the repair conditions of the defect area. RESULTS Our results indicate that TgEP promotes the expression of key osteogenic markers, including ALP, Runx2, and Osx, as well as the activation of Smad1, BMP2, and phosphorylated Smad1/5-crucial elements of the BMP/Smad signaling pathway. Furthermore, in vivo experiments using a bone defect model in rats demonstrated that TgEP markedly promoted bone defect repair. CONCLUSION Our results provide compelling evidence that TgEP facilitates hBMSC osteogenic differentiation through the BMP/Smad signaling pathway, highlighting its potential as a therapeutic approach for bone tissue engineering for bone defect healing.
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Affiliation(s)
- Mingzhu Deng
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Feifei Gao
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Tianfeng Liu
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Weiqiang Zhan
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Juanhua Quan
- Laboratory of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Ziquan Zhao
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xuyang Wu
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zhuolan Zhong
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Hong Zheng
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
| | - Jiaqi Chu
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
- Stem Cell Research and Cellular Therapy Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
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Nilsson KH, Henning P, Wu J, Sjögren K, Lerner UH, Ohlsson C, Movérare-Skrtic S. GREM2 inactivation increases trabecular bone mass in mice. Sci Rep 2024; 14:12967. [PMID: 38839844 PMCID: PMC11153596 DOI: 10.1038/s41598-024-63439-4] [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: 02/16/2024] [Accepted: 05/29/2024] [Indexed: 06/07/2024] Open
Abstract
Osteoporosis is a common skeletal disease affecting millions of individuals world-wide, with an increased risk of fracture, and a decreased quality of life. Despite its well-known consequences, the etiology of osteoporosis and optimal treatment methods are not fully understood. Human genetic studies have identified genetic variants within the FMN2/GREM2 locus to be associated with trabecular volumetric bone mineral density (vBMD) and vertebral and forearm fractures, but not with cortical bone parameters. GREM2 is a bone morphogenetic protein (BMP) antagonist. In this study, we employed Grem2-deficient mice to investigate whether GREM2 serves as the plausible causal gene for the fracture signal at the FMN2/GREM2 locus. We observed that Grem2 is moderately expressed in bone tissue and particularly in osteoblasts. Complete Grem2 gene deletion impacted mouse survival and body growth. Partial Grem2 inactivation in Grem2+/- female mice led to increased trabecular BMD of femur and increased trabecular bone mass in tibia due to increased trabecular thickness, with an unchanged cortical thickness, as compared with wildtype littermates. Furthermore, Grem2 inactivation stimulated osteoblast differentiation, as evidenced by higher alkaline phosphatase (Alp), osteocalcin (Bglap), and osterix (Sp7) mRNA expression after BMP-2 stimulation in calvarial osteoblasts and osteoblasts from the long bones of Grem2-/- mice compared to wildtype littermates. These findings suggest that GREM2 is a possible target for novel osteoporotic treatments, to increase trabecular bone mass and prevent osteoporotic fractures.
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Affiliation(s)
- Karin H Nilsson
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Petra Henning
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jianyao Wu
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Klara Sjögren
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ulf H Lerner
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Claes Ohlsson
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Drug Treatment, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Sofia Movérare-Skrtic
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Yang G, Liu K, Ma S, Qi P. PPARγ inhibition promotes osteogenic differentiation of bone marrow mesenchymal stem cells and fracture healing. J Cell Biochem 2024; 125:e30568. [PMID: 38616655 DOI: 10.1002/jcb.30568] [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: 01/17/2024] [Revised: 03/28/2024] [Accepted: 04/04/2024] [Indexed: 04/16/2024]
Abstract
This study aimed to explore the effects of peroxisome proliferator-activated receptor γ (PPARγ) inhibition on fracture healing of nonunion and the underlying mechanisms. Bone marrow mesenchymal stem cells (BMSCs) were treated with PPARγ antagonist GW9662 (5 μM, 10 μM). Alkaline phosphatase (ALP) staining and Alizarin Red S was used to assess early stage of osteogenesis and osteogenic differentiation. GW9662 (1 mg/kg/day) were administered intraperitoneally into the rats with bone fracture. Bone healing processes in the rat femur fracture model were recorded and assessed by radiographic methods on Weeks 8, 14, and 20 postoperation. Osteogenesis and angiogenesis at the fracture sites were evaluated by radiographic and histological methods on postoperative Week 20. GW9662 treatment increased ALP activity and Alp mRNA expression in rat BMSCs. Moreover, GW9662 administration increased matrix mineralization and mRNA and protein levels of Bmp2 and Runx2 in the BMSCs. In addition, GW9662 treatment improved radiographic score in the fracture rats and increased osteogenesis-related proteins, including type I collagen, osteopontin, and osteoglycin, in the bone tissues of the fracture sites. In conclusion, PPARγ inhibition promotes osteogenic differentiation of rat BMSCs, as well as improves the fracture healing of rats through Bmp2/Runx2 signaling pathway in the rat model of bone fracture.
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Affiliation(s)
- Guohui Yang
- Department of Emergency Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Kexi Liu
- Department of Emergency Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shengli Ma
- Department of Emergency Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Peiyi Qi
- Department of Emergency Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Luo Y, Yang Z, Zhao X, Li D, Li Q, Wei Y, Wan L, Tian M, Kang P. Immune regulation enhances osteogenesis and angiogenesis using an injectable thiolated hyaluronic acid hydrogel with lithium-doped nano-hydroxyapatite (Li-nHA) delivery for osteonecrosis. Mater Today Bio 2024; 25:100976. [PMID: 38322659 PMCID: PMC10846409 DOI: 10.1016/j.mtbio.2024.100976] [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: 08/20/2023] [Revised: 11/11/2023] [Accepted: 01/24/2024] [Indexed: 02/08/2024] Open
Abstract
Osteonecrosis is a devastating orthopedic disease in clinic that generally occurs in the femoral head associating with corticosteroid use up to 49 % in patients. In particular, glucocorticoids induced osteonecrosis of the femoral head is closely related to the local immune response that characterized by abnormal macrophage activation and inflammatory cell infiltration at the necrotic site, forming a pro-inflammatory microenvironment dominated by M1 macrophages, and thus leads to failure of bone repair and regeneration. Here, we report a bone regeneration strategy that constructs an immune regulatory biomaterial platform using an injectable thiolated hyaluronic acid hydrogel with lithium-doped nano-hydroxyapatite (Li-nHA@Gel) delivery for osteonecrosis treatment. Li-nHA@Gel achieved a sustain and longterm release of Li ions, which might enhance M2 macrophage polarization through the activation of the JAK1/STAT6/STAT3 signaling pathway, and the following induced pro-repair immune microenvironment mediated the enhancement of the osteogenic and angiogenic differentiation. Moreover, both in vitro and in vivo studies indicated that Li-nHA@Gel enhanced M2 macrophage polarization, osteogenesis, and angiogenesis, and thus promoted the bone and blood vessel formation. Taken together, this novel bone immunomodulatory biomaterial platform that promotes bone regeneration by enhancing M2 macrophage polarization, osteogenesis, and angiogenesis could be a promising strategy for osteonecrosis treatment.
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Affiliation(s)
- Yue Luo
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
- Department of Orthopaedics, Affiliated Hospital of North Sichuan Medical College, No. 1 the South of Maoyuan Road, Nanchong, Sichuan, 637000, PR China
| | - Zhouyuan Yang
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Xin Zhao
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Donghai Li
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Qianhao Li
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Yang Wei
- Department of Neurosurgery and Neurosurgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Luyao Wan
- Department of Neurosurgery and Neurosurgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Meng Tian
- Department of Neurosurgery and Neurosurgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Pengde Kang
- Department of Orthopedic, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
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Ball JR, Shelby T, Hernandez F, Mayfield CK, Lieberman JR. Delivery of Growth Factors to Enhance Bone Repair. Bioengineering (Basel) 2023; 10:1252. [PMID: 38002376 PMCID: PMC10669014 DOI: 10.3390/bioengineering10111252] [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: 09/15/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
The management of critical-sized bone defects caused by nonunion, trauma, infection, malignancy, pseudoarthrosis, and osteolysis poses complex reconstruction challenges for orthopedic surgeons. Current treatment modalities, including autograft, allograft, and distraction osteogenesis, are insufficient for the diverse range of pathology encountered in clinical practice, with significant complications associated with each. Therefore, there is significant interest in the development of delivery vehicles for growth factors to aid in bone repair in these settings. This article reviews innovative strategies for the management of critical-sized bone loss, including novel scaffolds designed for controlled release of rhBMP, bioengineered extracellular vesicles for delivery of intracellular signaling molecules, and advances in regional gene therapy for sustained signaling strategies. Improvement in the delivery of growth factors to areas of significant bone loss has the potential to revolutionize current treatment for this complex clinical challenge.
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Affiliation(s)
- Jacob R. Ball
- Department of Orthopaedic Surgery, University of Southern California Keck School of Medicine, 1500 San Pablo St., Los Angeles, CA 90033, USA
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Jung J, Kim NH, Kwon M, Park J, Lim D, Kim Y, Gil W, Cheong YH, Park SA. The inhibitory effect of Gremlin-2 on adipogenesis suppresses breast cancer cell growth and metastasis. Breast Cancer Res 2023; 25:128. [PMID: 37880751 PMCID: PMC10599028 DOI: 10.1186/s13058-023-01732-2] [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: 05/22/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Gremlin-1 (GREM1) and Gremlin-2 (GREM2) are bone morphogenetic protein antagonists that play important roles in organogenesis, tissue differentiation, and tissue homeostasis. Although GREM1 has been reported to be involved in promoting various cancers, little has been reported about effects of GREM2 on cancer. Recently, it has been reported that GREM2 can inhibit adipogenesis in adipose-derived stromal/stem cells. However, as an inhibitor of adipogenesis, the role of GREM2 in cancer progression is not well understood yet. METHODS Pre-adipocyte 3T3-L1 cells overexpressing mock or Grem2 were established using a lentiviral transduction system and differentiated into adipocytes-mock and adipocytes-Grem2, respectively. To investigate the effect of adipocyte-Grem2 on breast cancer cells, we analyzed the proliferative and invasion abilities of spheroids using a 3D co-culture system of breast cancer cells and adipocytes or conditioned medium (CM) of adipocytes. An orthotopic breast cancer mouse model was used to examine the role of adipocytes-Grem2 in breast cancer progression. RESULTS Grem2 overexpression suppressed adipogenesis of 3T3-L1 cells. Proliferative and invasion abilities of spheroids formed by co-culturing MTV/TM-011 breast cancer cells and adipocytes-Grem2 were significantly reduced compared to those of spheroids formed by co-culturing MTV/TM-011 cells and adipocytes-mock. Compared to adipocytes-mock, adipocytes-Grem2 showed decreased mRNA expression of several adipokines, notably IL-6. The concentration of IL-6 in the CM of these cells was also decreased. Proliferative and invasive abilities of breast cancer cells reduced by adipocytes-Grem2 were restored by IL-6 treatment. Expression levels of vimentin, slug, and twist1 in breast cancer cells were decreased by treatment with CM of adipocytes-Grem2 but increased by IL-6 treatment. In orthotopic breast cancer mouse model, mice injected with both MTV/TM-011 cells and adipocytes-Grem2 showed smaller primary tumors and lower lung metastasis than controls. However, IL-6 administration increased both the size of primary tumor and the number of metastatic lung lesions, which were reduced by adipocytes-Grem2. CONCLUSIONS Our study suggests that GREM2 overexpression in adipocytes can inhibit adipogenesis, reduce the expression and secretion of several adipokines, including IL-6, and ultimately inhibit breast cancer progression.
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Affiliation(s)
- Jiwoo Jung
- Department of Medical Sciences, Graduate School, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Na Hui Kim
- Department of Medical Sciences, Graduate School, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Minji Kwon
- Department of Medical Sciences, Graduate School, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Jayeon Park
- Department of Biomedical Laboratory Science, College of Medical Sciences, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Dayeon Lim
- Department of Biomedical Laboratory Science, College of Medical Sciences, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Youjin Kim
- Department of Biomedical Laboratory Science, College of Medical Sciences, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - World Gil
- Department of Biomedical Laboratory Science, College of Medical Sciences, Soonchunhyang University, Asan-si, 31538, Republic of Korea
| | - Ye Hwang Cheong
- Drug Discovery Research Laboratories, Dong-A ST Co., Ltd., Yongin, 17073, Republic of Korea
| | - Sin-Aye Park
- Department of Medical Sciences, Graduate School, Soonchunhyang University, Asan-si, 31538, Republic of Korea.
- Department of Biomedical Laboratory Science, College of Medical Sciences, Soonchunhyang University, Asan-si, 31538, Republic of Korea.
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Furuoka H, Endo K, Sekiya I. Mesenchymal stem cells in synovial fluid increase in number in response to synovitis and display more tissue-reparative phenotypes in osteoarthritis. Stem Cell Res Ther 2023; 14:244. [PMID: 37679780 PMCID: PMC10485949 DOI: 10.1186/s13287-023-03487-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND Synovial fluid mesenchymal stem cells (SF-MSCs) originate in the synovium and contribute to the endogenous repair of damaged intra-articular tissues. Here, we clarified the relationship between their numbers and joint structural changes during osteoarthritis (OA) progression and investigated whether SF-MSCs had phenotypes favorable for tissue repair, even in an OA environment. METHODS Partial medial meniscectomy (pMx) and sham surgery were performed on both knees of rats. SF and knee joints were collected from intact rats and from rats at 2, 4, and 6 weeks after surgery. SF was cultured for 1 week to calculate the numbers of colony-forming cells and colony areas. Joint structural changes were evaluated histologically to investigate their correlation with the numbers and areas of colonies. RNA sequencing was performed for SF-MSCs from intact knees and knees 4 weeks after the pMx and sham surgery. RESULTS Colony-forming cell numbers and colony areas were greater in the pMx group than in the intact and sham groups and peaked at 2 and 4 weeks, respectively. Synovitis scores showed the strongest correlation with colony numbers (R = 0.583) and areas (R = 0.456). RNA sequencing revealed higher expression of genes related to extracellular matrix binding, TGF-β signaling, and superoxide dismutase activity in SF-MSCs in the pMx group than in the sham group. CONCLUSION The number of SF-MSCs was most closely correlated with the severity of synovitis in this rat OA model. Tissue-reparative gene expression patterns were observed in SF-MSCs from OA knees, but not from knees without intra-articular tissue damage.
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Affiliation(s)
- Hideto Furuoka
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Kentaro Endo
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
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Wang Y, Zhan Y, Ji C, Shi C, Han J. Houttuynia cordata Thunb repairs steroid-induced avascular necrosis of the femoral head through regulating NF-κB signaling pathway. Toxicon 2023; 233:107270. [PMID: 37652100 DOI: 10.1016/j.toxicon.2023.107270] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/13/2023] [Accepted: 08/28/2023] [Indexed: 09/02/2023]
Abstract
To investigate the influences of Houttuynia cordata Thunb (HCT) in steroid-induced avascular necrosis of the femoral head (SANFH), we conducted a comprehensive study evaluating the effects of HCT on various aspects. Cell Counting Kit-8 assay was used to examine bone marrow stem cells (BMSCs) cell viability. Flow cytometry and lactate dehydrogenase detection assay were conducted to determine cell apoptosis. The levels of apoptosis-related proteins, osteogenic-related markers, inflammatory factors, and nuclear factor kappa B (NF-κB) pathway-associated proteins were determined via western blotting. Hematoxylin and eosin and terminal deoxynucleotidyl transferase dUTP nick-end labeling assays were utilized to verify the effects of HCT in SANFH rats. Our findings revealed that HCT could enhanced cell viability and arrested cell apoptosis in dexamethasone (Dex)-treated BMSCs. Dex increased the levels of cleaved caspase-3, Bcl2-associated X, interleukin (IL)-1β, IL-18, IL-6, p65, and inhibitor of NF-κB kinase β (IKKβ), while this promoting trend was weakened by HCT. Moreover, pyrrolidine dithiocarbamate (PDTC, an inhibitor of NF-κB signaling pathway) further increased the inhibitory role of apoptosis and the levels of IL-1β, IL-18, and IL-6 and the promotional effect of the levels of RUNX2 and ALP in Dex-treated BMSCs. The in-vivo assays showed that HCT decreased the percentage of empty lacunae, apoptosis, and the levels of IL-1β, IL-18, IL-6, p65, and IKKβ in SANFH rats. In conclusion, our study demonstrated that HCT relieved SANFH, which might be possibly achieved by NF-κB pathway.
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Affiliation(s)
- Yuanyuan Wang
- Medical Insurance Office, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital, Qingdao, Shandong, 266000, PR China
| | - Yaqi Zhan
- Hematology Department, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, Shandong, 266000, PR China
| | - Chunxiao Ji
- Hematology Department, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, Shandong, 266000, PR China
| | - Chunlei Shi
- Hematology Department, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, Shandong, 266000, PR China
| | - Jie Han
- Hematology Department, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, Shandong, 266000, PR China.
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Cui Y, Wang J, Tian Y, Fan Y, Li S, Wang G, Peng C, Liu H, Wu D. Functionalized Decellularized Bone Matrix Promotes Bone Regeneration by Releasing Osteogenic Peptides. ACS Biomater Sci Eng 2023; 9:4953-4968. [PMID: 37478342 DOI: 10.1021/acsbiomaterials.3c00413] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2023]
Abstract
The decellularized bone matrix (DCB) provides a promising bone substitute for the treatment of bone defects because of its similar biochemical, biophysical, and mechanical properties to normal bone tissue. However, the decellularized procedure also greatly reduced its osteogenic induction activity. In this study, peptides derived from the knuckle epitope of bone morphogenetic protein-2 were incorporated into the thermo-sensitive hydrogel poloxamer 407, and the peptide-loaded hydrogel was then filled into the pores of DCB to construct a functionalized scaffold with enhanced osteogenesis. In vitro studies have shown that the functionalized DCB scaffold possessed appropriate mechanical properties and biocompatibility and exhibited a sustained release profile of osteogenic peptide. These performances critically facilitated cell proliferation and cell spreading of bone marrow mesenchymal stem cells and upregulated the expression of osteogenic-related genes by activating the Smad/Runx2 signaling pathway, thereby promoting osteogenic differentiation and extracellular matrix mineralization. Further in vivo studies demonstrated that the functionalized DCB scaffold accelerated the repair of critical radial defects in rabbits without inducing excessive graft-related inflammatory responses. These results suggest a clinically meaningful strategy for the treatment of large segmental bone defects, and the prepared osteogenic peptide modified composite DCB scaffold has great application potential for bone regeneration.
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Affiliation(s)
- Yutao Cui
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Jingwei Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Yuhang Tian
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Yi Fan
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Shaorong Li
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Gan Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Chuangang Peng
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - He Liu
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Dankai Wu
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun 130041, P. R. China
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Liu Y, Jiang L, Song W, Wang C, Yu S, Qiao J, Wang X, Jin C, Zhao D, Bai X, Zhang P, Wang S, Liu M. Ginsenosides on stem cells fate specification-a novel perspective. Front Cell Dev Biol 2023; 11:1190266. [PMID: 37476154 PMCID: PMC10354371 DOI: 10.3389/fcell.2023.1190266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 06/22/2023] [Indexed: 07/22/2023] Open
Abstract
Recent studies have demonstrated that stem cells have attracted much attention due to their special abilities of proliferation, differentiation and self-renewal, and are of great significance in regenerative medicine and anti-aging research. Hence, finding natural medicines that intervene the fate specification of stem cells has become a priority. Ginsenosides, the key components of natural botanical ginseng, have been extensively studied for versatile effects, such as regulating stem cells function and resisting aging. This review aims to summarize recent progression regarding the impact of ginsenosides on the behavior of adult stem cells, particularly from the perspective of proliferation, differentiation and self-renewal.
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Affiliation(s)
- Ying Liu
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Leilei Jiang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Wenbo Song
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Chenxi Wang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Shiting Yu
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Juhui Qiao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Xinran Wang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Chenrong Jin
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Xueyuan Bai
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Peiguang Zhang
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Changchun, Changchun, Jilin, China
| | - Siming Wang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Meichen Liu
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
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11
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Ahmad Hairi H, Jayusman PA, Shuid AN. Revisiting Resveratrol as an Osteoprotective Agent: Molecular Evidence from In Vivo and In Vitro Studies. Biomedicines 2023; 11:1453. [PMID: 37239124 PMCID: PMC10216404 DOI: 10.3390/biomedicines11051453] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Resveratrol (RSV) (3,5,4'-trihydroxystilbene) is a stilbene found in abundance in berry fruits, peanuts, and some medicinal plants. It has a diverse range of pharmacological activities, underlining the significance of illness prevention and health promotion. The purpose of this review was to delve deeper into RSV's bone-protective properties as well as its molecular mechanisms. Several in vivo studies have found the bone-protective effects of RSV in postmenopausal, senile, and disuse osteoporosis rat models. RSV has been shown to inhibit NF-κB and RANKL-mediated osteoclastogenesis, oxidative stress, and inflammation while increasing osteogenesis and boosting differentiation of mesenchymal stem cells to osteoblasts. Wnt/β-catenin, MAPKs/JNK/ERK, PI3K/AKT, FoxOs, microRNAs, and BMP2 are among the possible kinases and proteins involved in the underlying mechanisms. RSV has also been shown to be the most potent SIRT1 activator to cause stimulatory effects on osteoblasts and inhibitory effects on osteoclasts. RSV may, thus, represent a novel therapeutic strategy for increasing bone growth and reducing bone loss in the elderly and postmenopausal population.
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Affiliation(s)
- Haryati Ahmad Hairi
- Department of Biochemistry, Faculty of Medicine, Manipal University College Malaysia, Jalan Batu Hampar, Bukit Baru, Melaka 75150, Malaysia;
| | - Putri Ayu Jayusman
- Department of Craniofacial Diagnostics and Biosciences, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia;
| | - Ahmad Nazrun Shuid
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi Mara (UITM), Jalan Hospital, Sungai Buloh 47000, Malaysia
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12
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BMP Signaling Pathway in Dentin Development and Diseases. Cells 2022; 11:cells11142216. [PMID: 35883659 PMCID: PMC9317121 DOI: 10.3390/cells11142216] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/08/2022] [Accepted: 07/12/2022] [Indexed: 12/27/2022] Open
Abstract
BMP signaling plays an important role in dentin development. BMPs and antagonists regulate odontoblast differentiation and downstream gene expression via canonical Smad and non-canonical Smad signaling pathways. The interaction of BMPs with their receptors leads to the formation of complexes and the transduction of signals to the canonical Smad signaling pathway (for example, BMP ligands, receptors, and Smads) and the non-canonical Smad signaling pathway (for example, MAPKs, p38, Erk, JNK, and PI3K/Akt) to regulate dental mesenchymal stem cell/progenitor proliferation and differentiation during dentin development and homeostasis. Both the canonical Smad and non-canonical Smad signaling pathways converge at transcription factors, such as Dlx3, Osx, Runx2, and others, to promote the differentiation of dental pulp mesenchymal cells into odontoblasts and downregulated gene expressions, such as those of DSPP and DMP1. Dysregulated BMP signaling causes a number of tooth disorders in humans. Mutation or knockout of BMP signaling-associated genes in mice results in dentin defects which enable a better understanding of the BMP signaling networks underlying odontoblast differentiation and dentin formation. This review summarizes the recent advances in our understanding of BMP signaling in odontoblast differentiation and dentin formation. It includes discussion of the expression of BMPs, their receptors, and the implicated downstream genes during dentinogenesis. In addition, the structures of BMPs, BMP receptors, antagonists, and dysregulation of BMP signaling pathways associated with dentin defects are described.
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13
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Sadek AA, Abd-Elkareem M, Abdelhamid HN, Moustafa S, Hussein K. Enhancement of critical-sized bone defect regeneration using UiO-66 nanomaterial in rabbit femurs. BMC Vet Res 2022; 18:260. [PMID: 35791016 PMCID: PMC9254639 DOI: 10.1186/s12917-022-03347-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/13/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Repair of large-sized bone defects is a challengeable obstacle in orthopedics and evoked the demand for the development of biomaterials that could induce bone repair in such defects. Recently, UiO-66 has emerged as an attractive metal–organic framework (MOF) nanostructure that is incorporated in biomedical applications due to its biocompatibility, porosity, and stability. In addition, its osteogenic properties have earned a great interest as a promising field of research. Thus, the UiO-66 was prepared in this study and assessed for its potential to stimulate and support osteogenesis in vitro and in vivo in a rabbit femoral condyle defect model. The nanomaterial was fabricated and characterized using x-ray diffraction (XRD) and transmission electron microscopy (TEM). Afterward, in vitro cytotoxicity and hemolysis assays were performed to investigate UiO-66 biocompatibility. Furthermore, the material in vitro capability to upregulate osteoblast marker genes was assessed using qPCR. Next, the in vivo new bone formation potential of the UiO-66 nanomaterial was evaluated after induction of bone defects in rabbit femoral condyles. These defects were left empty or filled with UiO-66 nanomaterial and monitored at weeks 4, 8, and 12 after bone defect induction using x-ray, computed tomography (CT), histological examinations, and qPCR analysis of osteocalcin (OC) and osteopontin (OP) expressions.
Results
The designed UiO-66 nanomaterial showed excellent cytocompatibility and hemocompatibility and stimulated the in vitro osteoblast functions. The in vivo osteogenesis was enhanced in the UiO-66 treated group compared to the control group, whereas evidence of healing of the treated bone defects was observed grossly and histologically. Interestingly, UiO-66 implanted defects displayed a significant osteoid tissue and collagen deposition compared to control defects. Moreover, the UiO-66 nanomaterial demonstrated the potential to upregulate OC and OP in vivo.
Conclusions
The UiO-66 nanomaterial implantation possesses a stimulatory impact on the healing process of critical-sized bone defects indicating that UiO-66 is a promising biomaterial for application in bone tissue engineering.
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14
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Liu W, Li D, Yang M, Wang L, Xu Y, Chen N, Zhang Z, Shi J, Li W, Zhao S, Gao A, Chen Y, Ma Q, Zheng R, Wu S, Zhang Y, Chen Y, Qian S, Bi Y, Gu W, Tang Q, Ning G, Liu R, Wang W, Hong J, Wang J. GREM2 is associated with human central obesity and inhibits visceral preadipocyte browning. EBioMedicine 2022; 78:103969. [PMID: 35349825 PMCID: PMC8965169 DOI: 10.1016/j.ebiom.2022.103969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/06/2022] [Accepted: 03/12/2022] [Indexed: 01/21/2023] Open
Abstract
Background Methods Findings Interpretation Funding
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Affiliation(s)
- Wen Liu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the PR China, Shanghai Key Laboratory for Endoceine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Danjie Li
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Minglan Yang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Long Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Xu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Na Chen
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiyin Zhang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Juan Shi
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wen Li
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shaoqian Zhao
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Aibo Gao
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yufei Chen
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qinyun Ma
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruizhi Zheng
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shujing Wu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yifei Zhang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuhong Chen
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuwen Qian
- The Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Fudan University Shanghai Medical College, Shanghai, China
| | - Yufang Bi
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiqiong Gu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiqun Tang
- The Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Fudan University Shanghai Medical College, Shanghai, China
| | - Guang Ning
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the PR China, Shanghai Key Laboratory for Endoceine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruixin Liu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiqing Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Hong
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiqiu Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the PR China, Shanghai Key Laboratory for Endoceine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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15
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Huang X, Jie S, Li W, Li H, Ni J, Liu C. miR-122-5p targets GREM2 to protect against glucocorticoid-induced endothelial damage through the BMP signaling pathway. Mol Cell Endocrinol 2022; 544:111541. [PMID: 34973370 DOI: 10.1016/j.mce.2021.111541] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 01/05/2023]
Abstract
Glucocorticoid (GC)-induced osteonecrosis of the femoral head (ONFH) accounts for a big portion of non-traumatic ONFH; nevertheless, the pathogenesis has not yet been fully understood. GC-induced endothelial dysfunction might be a major contributor to ONFH progression. The Gene Expression Omnibus (GEO) dataset was analyzed to identify deregulated miRNAs in ONFH; among deregulated miRNAs, the physiological functions of miR-122-5p on ONFH and endothelial dysfunction remain unclear. In the present study, miR-122-5p showed to be under-expressed within GC-induced ONFH femoral head tissues and GC-stimulated bone microvascular endothelial cells (BMECs). In human umbilical vein endothelial cells (HUVECs) and BMECs, GC stimulation significantly repressed cell viability, promoted cell apoptosis and increased the mRNA expression of proinflammatory cytokines, such as TNF-α, IL-1β, and IFN-γ. After overexpressing miR-122-5p, GC-induced endothelial injuries were attenuated, as manifested by rescued cell viability, cell migration, and tube formation capacity. Regarding the BMP signaling, GC decreased the protein levels of BMP-2/6/7 and SMAD-1/5/8, whereas miR-122-5p overexpression significantly attenuated the inhibitory effects of GC on these proteins. Online tool and experimental analyses revealed the direct binding between miR-122-5p and GREM2, a specific antagonist of BMP-2. In contrast to miR-122-5p overexpression, GREM2 overexpression aggravated GC-induced endothelial injury; GREM2 silencing partially eliminated the effects of miR-122-5p inhibition on GC-stimulated HUVECs and BMECs. Finally, GREM2 silencing reversed the suppressive effects of GC on BMP-2/6/7 and SMAD-1/5/8, and attenuated the effects of miR-122-5p inhibition on these proteins upon GC stimulation. Conclusively, the present study demonstrates a miR-122-5p/GREM2 axis modulating the GC-induced endothelial damage via the BMP/SMAD signaling. Considering the critical role of endothelial function in ONFH pathogenesis, the in vivo role and clinical application of the miR-122-5p/GREM2 axis is worthy of further investigation.
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Affiliation(s)
- Xianzhe Huang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Shuo Jie
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Wenzhao Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Hui Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Jiangdong Ni
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Chan Liu
- Department of International Medical, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.
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16
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Thomas S, Jaganathan BG. Signaling network regulating osteogenesis in mesenchymal stem cells. J Cell Commun Signal 2022; 16:47-61. [PMID: 34236594 PMCID: PMC8688675 DOI: 10.1007/s12079-021-00635-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/30/2021] [Indexed: 02/06/2023] Open
Abstract
Osteogenesis is an important developmental event that results in bone formation. Bone forming cells or osteoblasts develop from mesenchymal stem cells (MSCs) through a highly controlled process regulated by several signaling pathways. The osteogenic lineage commitment of MSCs is controlled by cell-cell interactions, paracrine factors, mechanical signals, hormones, and cytokines present in their niche, which activate a plethora of signaling molecules belonging to bone morphogenetic proteins, Wnt, Hedgehog, and Notch signaling. These signaling pathways individually as well as in coordination with other signaling molecules, regulate the osteogenic lineage commitment of MSCs by activating several osteo-lineage specific transcription factors. Here, we discuss the key signaling pathways that regulate osteogenic differentiation of MSCs and the cross-talk between them during osteogenic differentiation. We also discuss how these signaling pathways can be modified for therapy for bone repair and regeneration.
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Affiliation(s)
- Sachin Thomas
- Stem Cells and Cancer Biology Research Group, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Bithiah Grace Jaganathan
- Stem Cells and Cancer Biology Research Group, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.
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17
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Malekpour K, Hazrati A, Zahar M, Markov A, Zekiy AO, Navashenaq JG, Roshangar L, Ahmadi M. The Potential Use of Mesenchymal Stem Cells and Their Derived Exosomes for Orthopedic Diseases Treatment. Stem Cell Rev Rep 2022; 18:933-951. [PMID: 34169411 PMCID: PMC8224994 DOI: 10.1007/s12015-021-10185-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2021] [Indexed: 02/06/2023]
Abstract
Musculoskeletal disorders (MSDs) are conditions that can affect muscles, bones, and joints. These disorders are very painful and severely limit patients' mobility and are more common in the elderly. MSCs are multipotent stem cells isolated from embryonic (such as the umbilical cord) and mature sources (such as adipose tissue and bone marrow). These cells can differentiate into various cells such as osteoblasts, adipocytes, chondrocytes, NP-like cells, Etc. Due to MSC characteristics such as immunomodulatory properties, ability to migrate to the site of injury, recruitment of cells involved in repair, production of growth factors, and large amount production of extracellular vesicles, these cells have been used in many regenerative-related medicine studies. Also, MSCs produce different types of EVs, such as exosomes, to the extracellular environment. Exosomes reflect MSCs' characteristics and do not have cell therapy-associated problems because they are cell-free. These vesicles carry proteins, nucleic acids, and lipids to the host cell and change their function. This review focuses on MSCs and MSCs exosomes' role in repairing dense connective tissues such as tendons, cartilage, invertebrate disc, bone fracture, and osteoporosis treatment.
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Affiliation(s)
- Kosar Malekpour
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ali Hazrati
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Marziah Zahar
- Social Security Centre of Excellence, School of Business Management, College of Business, Universiti Utara Malaysia, Sintok Kedah, Malaysia
| | | | - Angelina Olegovna Zekiy
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Moscow, Russia
| | | | - Leila Roshangar
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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18
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Kawagishi-Hotta M, Hasegawa S, Inoue Y, Hasebe Y, Arima M, Iwata Y, Sugiura K, Akamatsu H. Gremlin 2 suppresses differentiation of stem/progenitor cells in the human skin. Regen Ther 2021; 18:191-201. [PMID: 34307797 PMCID: PMC8280529 DOI: 10.1016/j.reth.2021.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/30/2021] [Accepted: 06/24/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION The skin is comprised of various kinds of cells and has three layers, the epidermis, dermis and subcutaneous adipose tissue. Stem cells in each tissue duplicate themselves and differentiate to supply new cells that function in the tissue, and thereby maintain the tissue homeostasis. In contrast, senescent cells accumulate with age and secrete senescence-associated secretory phenotype (SASP) factors that impair surrounding cells and tissues, which lowers the capacity to maintain homeostasis in each tissue. Previously, we found Gremlin 2 (GREM2) as a novel SASP factor in the skin and reported that GREM2 suppressed the differentiation of adipose-derived stromal/stem cells. In the present study, we investigated the effects of GREM2 on stem cells in the epidermis and dermis. METHODS To examine whether GREM2 expression and the differentiation levels in the epidermis and dermis are correlated, the expressions of GREM2, stem cell markers, an epidermal differentiation marker Keratin 10 (KRT10) and a dermal differentiation marker type 3 procollagen were examined in the skin samples (n = 14) randomly chosen from the elderly where GREM2 expression level is high and the individual differences of its expression are prominent. Next, to test whether GREM2 affects the differentiation of skin stem cells, cells from two established lines (an epidermal and a dermal stem/progenitor cell model) were cultured and induced to differentiate, and recombinant GREM2 protein was added. RESULTS In the human skin, the expression levels of GREM2 varied among individuals both in the epidermis and dermis. The expression level of GREM2 was not correlated with the number of stem cells, but negatively correlated with those of both an epidermal and a dermal differentiation markers. The expression levels of epidermal differentiation markers were significantly suppressed by the addition of GREM2 in the three-dimensional (3D) epidermis generated with an epidermal stem/progenitor cell model. In addition, by differentiation induction, the expressions of dermal differentiation markers were induced in cells from a dermal stem/progenitor cell model, and the addition of GREM2 significantly suppressed the expressions of the dermal differentiation markers. CONCLUSIONS GREM2 expression level did not affect the numbers of stem cells in the epidermis and dermis but affects the differentiation and maturation levels of the tissues, and GREM2 suppressed the differentiation of stem/progenitor cells in vitro. These findings suggest that GREM2 may contribute to the age-related reduction in the capacity to maintain skin homeostasis by suppressing the differentiation of epidermal and dermal stem/progenitor cells.
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Affiliation(s)
- Mika Kawagishi-Hotta
- Research Laboratories, Nippon Menard Cosmetic Co., LTD., Japan
- Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
- Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan
| | - Seiji Hasegawa
- Research Laboratories, Nippon Menard Cosmetic Co., LTD., Japan
- Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Yu Inoue
- Research Laboratories, Nippon Menard Cosmetic Co., LTD., Japan
- Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
| | - Yuichi Hasebe
- Research Laboratories, Nippon Menard Cosmetic Co., LTD., Japan
- Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
| | - Masaru Arima
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Yohei Iwata
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Kazumitsu Sugiura
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Hirohiko Akamatsu
- Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan
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19
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Zhang DW, Chen T, Li JX, Wang HG, Huang ZW, Lv H. Circ_0134944 inhibits osteogenesis through miR-127-5p/PDX1/SPHK1 pathway. Regen Ther 2021; 18:391-400. [PMID: 34722835 PMCID: PMC8531758 DOI: 10.1016/j.reth.2021.09.004] [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: 07/12/2021] [Revised: 08/31/2021] [Accepted: 09/11/2021] [Indexed: 11/27/2022] Open
Abstract
Introduction Osteoporosis, a common skeletal disorder mainly affecting postmenopausal women, is characterized by the imbalance between osteogenesis and osteoclastogenesis. Circ_0134944 has been recently found to be upregulated in postmenopausal osteoporosis (PMOP) patients. However, its role in osteogenesis remains unknown. Here we aimed to explore the role of circ_0134944 in osteogenesis and reveal the underlying mechanism. Methods qRT-PCR was used to determine the expression of circ_0134944, miR-127-5p, PDX1 and SPHK1 in the blood mononuclear cells (BMCs) of PMOP patients. Bone marrow mesenchymal stem cells (BMSCs) were used as the cellular model. Western blotting and qRT-PCR were used to determine the expression of osteogenesis-related genes (Runx2, OPN, OCN). ALP and Alizarin Red S staining were performed to evaluate osteogenic differentiation. The interactions between circ_0134944 and miR-127-5p, miR-127-5p and PDX1, PDX1 and SPHK1 were determined by dual-luciferase reporter and ChIP assay. Results Circ_0134944, PDX1 and SPHK1 were upregulated while miR-127-5p was downregulated in PMOP patients. Enhanced expression of circ_0134944 suppressed osteogenesis, which was then reversed by miR-127-5p overexpression. The binding between circ_0134944 and miR-127-5p, PDX1 and miR-127-5p were confirmed by dual-luciferase reporter assay. Moreover, PDX1 was enriched in the promoter region of SPHK1, and SPHK1 overexpression prevented the promotion of osteogenesis induced by miR-127-5p overexpression. Conclusions Taken together, these results demonstrate that circ_0134944 inhibit osteogenesis via miR-127-5p/PDX1/SPHK1 axis. Thus, the present study offered evidence that circ_0134944/miR-127-5p/PDX1/SPHK1 axis could be a potential therapeutic target for PMOP.
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Affiliation(s)
- Da-Wei Zhang
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, PR China
| | - Tao Chen
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, PR China
| | - Jin-Xiang Li
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, PR China
| | - Hong-Gang Wang
- Department of Orthopaedic and Microsurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, 510080, PR China
| | - Zong-Wen Huang
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, PR China
| | - Hai Lv
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, PR China
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20
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Zhou X, Xu W, Wang Y, Zhang H, Zhang L, Li C, Yao S, Huang Z, Huang L, Luo D. LncRNA DNM3OS regulates GREM2 via miR-127-5p to suppress early chondrogenic differentiation of rat mesenchymal stem cells under hypoxic conditions. Cell Mol Biol Lett 2021; 26:22. [PMID: 34049478 PMCID: PMC8161583 DOI: 10.1186/s11658-021-00269-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 05/20/2021] [Indexed: 12/13/2022] Open
Abstract
Background Improved chondrogenic differentiation of mesenchymal stem cells (MSCs) by genetic regulation is a potential method for regenerating articular cartilage. MiR-127-5p has been reported to promote cartilage differentiation of rat bone marrow MSCs (rMSCs); however, the regulatory mechanisms underlying hypoxia-stimulated chondrogenic differentiation remain unknown. Methods rMSCs were induced to undergo chondrogenic differentiation under normoxic or hypoxic conditions. Expression of lncRNA DNM3OS, miR-127-5p, and GREM2 was detected by quantitative real-time PCR. Proteoglycans were detected by Alcian blue staining. Western blot assays were performed to examine the relative levels of GREM2 and chondrogenic differentiation related proteins. Luciferase reporter assays were performed to assess the association among DNM3OS, miR-127-5p, and GREM2. Results MiR-127-5p levels were upregulated, while DNM3OS and GREM2 levels were downregulated in rMSCs induced to undergo chondrogenic differentiation, and those changes were attenuated by hypoxic conditions (1% O2). Further in vitro experiments revealed that downregulation of miR-127-5p reduced the production of proteoglycans and expression of chondrogenic differentiation markers (COL1A1, COL2A1, SOX9, and ACAN) and osteo/chondrogenic markers (BMP-2, p-SMAD1/2). MiR-127-5p overexpression produced the opposite results in rMSCs induced to undergo chondrogenic differentiation under hypoxic conditions. GREM2 was found to be a direct target of miR-127-5p, which was suppressed in rMSCs undergoing chondrogenic differentiation. Moreover, DNM3OS could directly bind to miR-127-5p and inhibit chondrogenic differentiation of rMSCs via regulating GREM2. Conclusions Our study revealed a novel molecular pathway (DNM3OS/miR-127-5p/GREM2) that may be involved in hypoxic chondrogenic differentiation.
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Affiliation(s)
- Xiaozhong Zhou
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Wangyang Xu
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Yeyang Wang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Hui Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Li Zhang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Chao Li
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Shun Yao
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Zixiang Huang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Lishan Huang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China
| | - Dixin Luo
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, No. 466, Xingangzhong Road, Haizhu District, Guangzhou, 510317, Guangdong, People's Republic of China.
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21
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Rahman M, Peng XL, Zhao XH, Gong HL, Sun XD, Wu Q, Wei DX. 3D bioactive cell-free-scaffolds for in-vitro/in-vivo capture and directed osteoinduction of stem cells for bone tissue regeneration. Bioact Mater 2021; 6:4083-4095. [PMID: 33997495 PMCID: PMC8091180 DOI: 10.1016/j.bioactmat.2021.01.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/21/2020] [Accepted: 01/09/2021] [Indexed: 12/24/2022] Open
Abstract
Hydrophilic bone morphogenetic protein 2 (BMP2) is easily degraded and difficult to load onto hydrophobic carrier materials, which limits the application of polyester materials in bone tissue engineering. Based on soybean-lecithin as an adjuvant biosurfactant, we designed a novel cell-free-scaffold of polymer of poly(ε-caprolactone) and poly(lactide-co-glycolide)-co-polyetherimide with abundant entrapped and continuously released BMP2 for in vivo stem cell-capture and in situ osteogenic induction, avoiding the use of exogenous cells. The optimized bioactive osteo-polyester scaffold (BOPSC), i.e. SBMP-10SC, had a high BMP2 entrapment efficiency of 95.35%. Due to its higher porosity of 83.42%, higher water uptake ratio of 850%, and sustained BMP2 release with polymer degradation, BOPSCs were demonstrated to support excellent in vitro capture, proliferation, migration and osteogenic differentiation of mouse adipose derived mesenchymal stem cells (mADSCs), and performed much better than traditional BMP-10SCs with unmodified BMP2 and single polyester scaffolds (10SCs). Furthermore, in vivo capture and migration of stem cells and differentiation into osteoblasts was observed in mice implanted with BOPSCs without exogenous cells, which enabled allogeneic bone formation with a high bone mineral density and ratios of new bone volume to existing tissue volume after 6 months. The BOPSC is an advanced 3D cell-free platform with sustained BMP2 supply for in situ stem cell capture and osteoinduction in bone tissue engineering with potential for clinical translation.
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Affiliation(s)
- Mamatali Rahman
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, Tsinghua University, Beijing, 100084, China.,School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Xue-Liang Peng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Xiao-Hong Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Hai-Lun Gong
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Xiao-Dan Sun
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China.,Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Qiong Wu
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and System Biology, Tsinghua University, Beijing, 100084, China.,School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Dai-Xu Wei
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
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22
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Involvement of the long noncoding RNA H19 in osteogenic differentiation and bone regeneration. Stem Cell Res Ther 2021; 12:74. [PMID: 33478579 PMCID: PMC7819155 DOI: 10.1186/s13287-021-02149-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022] Open
Abstract
Osteogenic differentiation and bone regeneration are complex processes involving multiple genes and multiple steps. In this review, we summarize the effects of the long noncoding RNA (lncRNA) H19 on osteogenic differentiation. Osteogenic differentiation includes matrix secretion and calcium mineralization as hallmarks of osteoblast differentiation and the absorption of calcium and phosphorus as hallmarks of osteoclast differentiation. Mesenchymal stem cells (MSCs) form osteoprogenitor cells, pre-osteoblasts, mature osteoblasts, and osteocytes through induction and differentiation. lncRNAs regulate the expression of coding genes and play essential roles in osteogenic differentiation and bone regeneration. The lncRNA H19 is known to have vital roles in osteogenic induction. This review highlights the role of H19 as a novel target for osteogenic differentiation and the promotion of bone regeneration.
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23
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Yu L, Li M. Roles of klotho and stem cells in mediating vascular calcification (Review). Exp Ther Med 2020; 20:124. [PMID: 33005250 DOI: 10.3892/etm.2020.9252] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 08/28/2020] [Indexed: 12/15/2022] Open
Abstract
Vascular calcification, characterized by the active deposition of calcium phosphate in the vascular walls, is commonly observed in aging, diabetes mellitus and chronic kidney disease. This process is mediated by different cell types, including vascular stem/progenitor cells. The anti-aging protein klotho may act as an inhibitor of vascular calcification through direct effects on vascular stem/progenitor cells with osteogenic differentiation potential. A better understanding of the possible effects of klotho on vascular stem/progenitor cells may provide novel insight into the cellular and molecular mechanisms of klotho deficiency-related vascular calcification and disease. The klotho protein may be considered as a promising therapeutic agent for treating vascular calcification and disease and calcification-related vascular diseases.
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Affiliation(s)
- Liangzhu Yu
- Hubei Key Laboratory of Cardiovascular, Cerebrovascular and Metabolic Disorders, Xianning, Hubei 437100, P.R. China.,Departments of Physiology, School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Mincai Li
- Hubei Key Laboratory of Cardiovascular, Cerebrovascular and Metabolic Disorders, Xianning, Hubei 437100, P.R. China.,Departments of Pathology, School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
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24
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Kawagishi-Hotta M, Hasegawa S, Hasebe Y, Sugiura K, Akamatsu H. Gremlin 2 increased in the skin with age as a senescence-associated secretory phenotype factor. J Dermatol 2020; 47:1457-1458. [PMID: 32860241 DOI: 10.1111/1346-8138.15578] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/27/2020] [Accepted: 08/01/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Mika Kawagishi-Hotta
- Research Laboratories, NIPPON MENARD COSMETIC Co., Ltd, Nagoya, Aichi, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan.,Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Seiji Hasegawa
- Research Laboratories, NIPPON MENARD COSMETIC Co., Ltd, Nagoya, Aichi, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan.,Department of Dermatology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Yuichi Hasebe
- Research Laboratories, NIPPON MENARD COSMETIC Co., Ltd, Nagoya, Aichi, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Kazumitsu Sugiura
- Department of Dermatology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Hirohiko Akamatsu
- Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
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25
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LncRNA ENST00000563492 promoting the osteogenesis-angiogenesis coupling process in bone mesenchymal stem cells (BMSCs) by functions as a ceRNA for miR-205-5p. Cell Death Dis 2020; 11:486. [PMID: 32587236 PMCID: PMC7316863 DOI: 10.1038/s41419-020-2689-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 06/11/2020] [Accepted: 06/15/2020] [Indexed: 12/18/2022]
Abstract
Pain, physical dysfunction, and mental disorders caused by bone nonunion bring great burden to patients. Bone mesenchymal stem cells (BMSCs) isolated from bone nonunion patients with poor proliferation and osteogenic ability are compared with that from normal bone-healing patients. Long noncoding RNAs (lncRNAs) are a class of RNAs that are more than 200 nucleotides in length, lack an open-reading frame encoding a protein, and have little or no protein-coding function, and could regulate gene expression, which is involved in the regulation of important life activities, such as growth, development, aging, and death at epigenetic, transcriptional, and post-transcriptional levels. In this study, we intended to investigate the difference of lncRNA expression between patients with nonunion and normal fracture healing. Our result found that lncRNA ENST00000563492 was downregulated in bone nonunion tissues. LncRNA ENST00000563492 promotes osteogenic differentiation of BMSCs through upregulating the expression of CDH11. On the other hand, LncRNA ENST0000563492 could improve the osteogenesis–angiogenesis coupling process through enhancing the expression of VEGF during osteogenic differentiation of BMSCs. LncRNA ENST00000563492 functions as a ceRNA for miR-205-5p that was targeting CDH11 and VEGF. LncRNA ENST00000563492 could promote the osteogenesis of BMSCs in vivo. Our result indicated that lncRNA ENST00000563492 may be a new target for bone nonunion.
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26
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Wang CL, Zuo B, Li D, Zhu JF, Xiao F, Zhang XL, Chen XD. The long noncoding RNA H19 attenuates force-driven cartilage degeneration via miR-483-5p/Dusp5. Biochem Biophys Res Commun 2020; 529:210-217. [PMID: 32703413 DOI: 10.1016/j.bbrc.2020.05.180] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 05/25/2020] [Indexed: 02/04/2023]
Abstract
Developmental dysplasia of the hip (DDH) is a common hip disease characterized by abnormal development of the acetabulum and femoral head. In most cases, DDH ultimately leads to osteoarthritis. Anomalous biomechanical force plays an important role in cartilage degeneration in DDH. However, in addition to mechanical wear, the underlying molecular mechanisms in cartilage degeneration in DDH remain unclear. This study analyzed the effect of long noncoding RNA (lncRNA)-H19 on DDH cartilage degradation. To elucidate the specific role of lncRNA H19, we established an intermittent cyclic mechanical stress (ICMS) cell force model to simulate abnormal biomechanical environment in vitro. Then, the roles of lncRNA-H19 were also determined in vivo by establishing a model of swaddling DDH. We observed that patients with DDH possessed low levels of lncRNA-H19, COL2A1, and Aggrecan but high levels of MMP3 and Adamts5. The same results were also obtained in a DDH rat model. Furthermore, the data suggested that ICMS promoted cartilage degeneration and caused reorientation of the cytoskeleton, and lncRNA H19 helped inhibit cartilage degeneration. Bioinformatics analysis and lncRNA sequencing were performed, and luciferase assays showed that lncRNA H19 and Dusp5 are both direct targets of miR-483-5p. Moreover, Dups5 plays a negative role in ICMS-induced cartilage degradation by activating the Erk and p38 pathways. In vivo, lncRNA H19 had protective effects on the swaddling DDH model. These findings indicate that lncRNA-H19 played a positive role in cartilage degradation in DDH through the lncRNA H19/miR-483-5p/Dusp5 axis.
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Affiliation(s)
- Cheng-Long Wang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Bin Zuo
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - De Li
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Jun-Feng Zhu
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Fei Xiao
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Xiao-Ling Zhang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China.
| | - Xiao-Dong Chen
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine (SJTUSM), China.
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27
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Effect of the Abnormal Expression of BMP-4 in the Blood of Diabetic Patients on the Osteogenic Differentiation Potential of Alveolar BMSCs and the Rescue Effect of Metformin: A Bioinformatics-Based Study. BIOMED RESEARCH INTERNATIONAL 2020; 2020:7626215. [PMID: 32596370 PMCID: PMC7298258 DOI: 10.1155/2020/7626215] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/28/2020] [Indexed: 02/08/2023]
Abstract
The success rate of oral implants is lower in type 2 diabetes mellitus (T2DM) patients than in nondiabetic subjects; functional impairment of bone marrow-derived mesenchymal stem cells (BMSCs) is an important underlying cause. Many factors in the blood can act on BMSCs to regulate their biological functions and influence implant osseointegration, but which factors play important negative roles in T2DM patients is still unclear. This study is aimed at screening differentially expressed genes in the blood from T2DM and nondiabetic patients, identifying which genes impact the osteogenic differentiation potential of alveolar BMSCs in T2DM patients, exploring drug intervention regimens, and providing a basis for improving implant osseointegration. Thus, a whole-blood gene expression microarray dataset (GSE26168) of T2DM patients and nondiabetic controls was analyzed. Based on Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) results, differentially expressed genes and signaling pathways related to BMSC osteogenic differentiation were screened, and major risk genes were extracted based on the mean decrease Gini coefficient calculated using the random forest method. Bone morphogenetic protein-4 (BMP-4), with significantly low expression in T2DM blood, was identified as the most significant factor affecting BMSC osteogenic differentiation potential. Subsequently, metformin, a first-line clinical drug for T2DM treatment, was found to improve the osteogenic differentiation potential of BMSCs from T2DM patients via the BMP-4/Smad/Runx2 signaling pathway. These results demonstrate that low BMP-4 expression in the blood of T2DM patients significantly hinders the osteogenic function of BMSCs and that metformin is effective in counteracting the negative impact of BMP-4 deficiency.
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28
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Wang XJ, Liu JW, Liu J. MiR-655-3p inhibits the progression of osteoporosis by targeting LSD1 and activating BMP-2/Smad signaling pathway. Hum Exp Toxicol 2020; 39:1390-1404. [PMID: 32431171 DOI: 10.1177/0960327120924080] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Osteoporosis (OP) is one of the most common chronic metabolic bone diseases in the seniors and postmenopausal women. Plenty of microRNAs (miRNAs) have been confirmed to be involved in OP progression. However, the role of miR-655-3p in osteogenic differentiation and bone formation was still unclear. In this study, we aimed to investigate the cellular function of miR-655-3p and its underlying mechanism in OP. We found that miR-655-3p expression was downregulated in both ovariectomized (OVX) mice bone tissues and MC3T3-E1 cells treated with simulated microgravity (MG). MiR-655-3p overexpression facilitated cell differentiation but suppressed cell apoptosis of MC3T3-E1 cells induced by simulated MG. Mechanistically, we confirmed that lysine-specific histone demethylase 1 (LSD1) is a downstream target gene of miR-655-3p. Furthermore, overexpression of miR-655-3p activated the bone morphogenetic protein 2 (BMP-2)/decapentaplegic homolog (Smad) signaling pathway by suppressing LSD1 expression. Moreover, LSD1 knockdown accelerated osteogenic differentiation and inhibited apoptosis in MC3T3-E1 cells under simulated MG. Additionally, the OVX mouse model was established to investigate the role of miR-655-3p/LSD1 axis in vivo. The results demonstrated that LSD1 could reverse the effects triggered by the injection of adeno-associated virus-miR-655-3p on OP development. Further investigations revealed that miR-655-3p boosted osteogenic differentiation through LSD1/BMP-2/Smad signaling pathway. In summary, these findings implied a potential value of miR-655-3p in OP therapy.
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Affiliation(s)
- X-J Wang
- Department of Orthopedics, Tianjin Baodi Hospital, Baodi Clinical College of Tianjin Medical University, Tianjin, China
| | - J-W Liu
- Department of Orthopedics, Tianjin Hospital, Tianjin, China
| | - J Liu
- Department of Orthopedics, Traditional Chinese Medicine Hospital Dianjiang Chongqing, Chongqing, China
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29
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Association of Gremlin-2 gene polymorphisms with osteoporosis risk in Chinese postmenopausal women. Biosci Rep 2020; 40:222666. [PMID: 32297643 PMCID: PMC7182657 DOI: 10.1042/bsr20200554] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/18/2022] Open
Abstract
The Gremlin-2 (GREM2) plays crucial roles in modulating bone homeostasis through the bone morphogenetic protein-2 pathway. However, GREM2 gene variants in osteoporosis were less frequent in a Chinese population. Therefore, the present study recruited 310 patients with osteoporosis and 339 healthy postmenopausal women to assess the correlation of GREM2 gene polymorphisms with the risk of osteoporosis. Polymerase chain reaction (PCR) and Sanger sequencing were utilized to genotype samples. The results showed that GREM2 gene rs4454537, not rs11588607, polymorphism was significantly associated with an increased risk of osteoporosis in postmenopausal women. Moreover, stratified analyses indicated a significant association between rs4454537 polymorphisms and body mass index of <25 kg/m2. Additionally, the association between GREM2 rs4454537 polymorphism and clinical characteristics was assessed, which showed that this locus decreased the bone mineral density (BMD) in postmenopausal osteoporotic individuals. Furthermore, individuals with CC genotype appeared to have a higher GREM2 expression compared with those bearing the TT genotype of rs4454537 polymorphism. However, the genotype distribution of rs4454537 polymorphism showed no statistical difference between osteoporotic patients as a function of fracture status. In summary, GREM2 rs4454537 polymorphism decreases BMD and increases osteoporotic risk in postmenopausal women.
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30
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Zhang G, Liu W, Wang R, Zhang Y, Chen L, Chen A, Luo H, Zhong H, Shao L. The Role of Tantalum Nanoparticles in Bone Regeneration Involves the BMP2/Smad4/Runx2 Signaling Pathway. Int J Nanomedicine 2020; 15:2419-2435. [PMID: 32368035 PMCID: PMC7174976 DOI: 10.2147/ijn.s245174] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 03/22/2020] [Indexed: 12/26/2022] Open
Abstract
Background In recent years, nanomaterials have been increasingly developed and applied in the field of bone tissue engineering. However, there are few studies on the induction of bone regeneration by tantalum nanoparticles (Ta NPs) and no reports on the effects of Ta NPs on the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) and the underlying mechanisms. The main purpose of this study was to investigate the effects of Ta NPs on bone regeneration and BMSC osteogenic differentiation and the underlying mechanisms. Materials and Methods The effects of Ta NPs on bone regeneration were evaluated in an animal experiment, and the effects of Ta NPs on osteogenic differentiation of BMSCs and the underlying mechanisms were evaluated in cell experiments. In the animal experiment, hematoxylin-eosin (HE) staining and hard-tissue section analysis showed that Ta NPs promoted bone regeneration, and immunohistochemistry revealed elevated expression of BMP2 and Smad4 in cells cultured with Ta NPs. Results The results of the cell experiments showed that Ta NPs promoted BMSC proliferation, alkaline phosphatase (ALP) activity, BMP2 secretion and extracellular matrix (ECM) mineralization, and the expression of related osteogenic genes and proteins (especially BMP2, Smad4 and Runx2) was upregulated under culture with Ta NPs. Smad4 expression, ALP activity, ECM mineralization, and osteogenesis-related gene and protein expression decreased after inhibiting Smad4. Conclusion These data suggest that Ta NPs have an osteogenic effect and induce bone regeneration by activating the BMP2/Smad4/Runx2 signaling pathway, which in turn causes BMSCs to undergo osteogenic differentiation. This study provides insight into the molecular mechanisms underlying the effects of Ta NPs in bone regeneration.
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Affiliation(s)
- Guilan Zhang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou 510515, People's Republic of China
| | - Wenjing Liu
- Department of Prosthodontics, Stomatological Hospital, Southern Medical University, Guangzhou 510280, People's Republic of China
| | - Ruolan Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Yanli Zhang
- Department of Prosthodontics, Stomatological Hospital, Southern Medical University, Guangzhou 510280, People's Republic of China
| | - Liangjiao Chen
- Department of Orthodontics, Stomatological Hospital, Guangzhou Medical University, Guangzhou, 510150, People's Republic of China
| | - Aijie Chen
- Department of Prosthodontics, Stomatological Hospital, Southern Medical University, Guangzhou 510280, People's Republic of China
| | - Haiyun Luo
- Department of Endodontics, Stomatological Hospital, Southern Medical University, Guangzhou 510280, People's Republic of China
| | - Hui Zhong
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Longquan Shao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou 510515, People's Republic of China
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31
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May RD, Frauchiger DA, Albers CE, Tekari A, Benneker LM, Klenke FM, Hofstetter W, Gantenbein B. Application of Cytokines of the Bone Morphogenetic Protein (BMP) Family in Spinal Fusion - Effects on the Bone, Intervertebral Disc and Mesenchymal Stromal Cells. Curr Stem Cell Res Ther 2020; 14:618-643. [PMID: 31455201 PMCID: PMC7040507 DOI: 10.2174/1574888x14666190628103528] [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: 03/15/2019] [Revised: 04/30/2019] [Accepted: 05/02/2019] [Indexed: 12/17/2022]
Abstract
Low back pain is a prevalent socio-economic burden and is often associated with damaged or degenerated intervertebral discs (IVDs). When conservative therapy fails, removal of the IVD (discectomy), followed by intersomatic spinal fusion, is currently the standard practice in clinics. The remaining space is filled with an intersomatic device (cage) and with bone substitutes to achieve disc height compensation and bone fusion. As a complication, in up to 30% of cases, spinal non-fusions result in a painful pseudoarthrosis. Bone morphogenetic proteins (BMPs) have been clinically applied with varied outcomes. Several members of the BMP family, such as BMP2, BMP4, BMP6, BMP7, and BMP9, are known to induce osteogenesis. Questions remain on why hyper-physiological doses of BMPs do not show beneficial effects in certain patients. In this respect, BMP antagonists secreted by mesenchymal cells, which might interfere with or block the action of BMPs, have drawn research attention as possible targets for the enhancement of spinal fusion or the prevention of non-unions. Examples of these antagonists are noggin, gremlin1 and 2, chordin, follistatin, BMP3, and twisted gastrulation. In this review, we discuss current evidence of the osteogenic effects of several members of the BMP family on osteoblasts, IVD cells, and mesenchymal stromal cells. We consider in vitro and in vivo studies performed in human, mouse, rat, and rabbit related to BMP and BMP antagonists in the last two decades. We give insights into the effects that BMP have on the ossification of the spine. Furthermore, the benefits, pitfalls, and possible safety concerns using these cytokines for the improvement of spinal fusion are discussed.
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Affiliation(s)
- Rahel Deborah May
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | | | - Christoph Emmanuel Albers
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University of Bern, Bern, Switzerland
| | - Adel Tekari
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Lorin Michael Benneker
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University of Bern, Bern, Switzerland
| | - Frank Michael Klenke
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University of Bern, Bern, Switzerland
| | - Willy Hofstetter
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Benjamin Gantenbein
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, University of Bern, Bern, Switzerland
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Synergistic regulation of osteoimmune microenvironment by IL-4 and RGD to accelerate osteogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110508. [DOI: 10.1016/j.msec.2019.110508] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 10/30/2019] [Accepted: 11/28/2019] [Indexed: 12/13/2022]
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Bone Morphogenetic Protein-2 Signaling in the Osteogenic Differentiation of Human Bone Marrow Mesenchymal Stem Cells Induced by Pulsed Electromagnetic Fields. Int J Mol Sci 2020; 21:ijms21062104. [PMID: 32204349 PMCID: PMC7139765 DOI: 10.3390/ijms21062104] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/12/2022] Open
Abstract
Pulsed electromagnetic fields (PEMFs) are clinically used with beneficial effects in the treatment of bone fracture healing. This is due to PEMF ability to favor the osteogenic differentiation of mesenchymal stem cells (MSCs). Previous studies suggest that PEMFs enhance the osteogenic activity of bone morphogenetic protein-2 (BMP2) which is used in various therapeutic interventions. This study investigated the molecular events associated to the synergistic activity of PEMFs and BMP2 on osteogenic differentiation. To this aim, human MSCs (hMSCs) were exposed to PEMFs (75 Hz, 1.5 mT) in combination with BMP2, upon detection of the minimal dose able to induce differentiation. Changes in the expression of BMP signaling pathway genes including receptors and ligands, as well as in the phosphorylation of BMP downstream signaling proteins, such as SMAD1/5/8 and MAPK, were analyzed. Results showed the synergistic activity of PEMFs and BMP2 on osteogenic differentiation transcription factors and markers. The PEMF effects were associated to the increase in BMP2, BMP6, and BMP type I receptor gene expression, as well as SMAD1/5/8 and p38 MAPK activation. These results increase knowledge concerning the molecular events involved in PEMF stimulation showing that PEMFs favor hMSCs osteogenic differentiation by the modulation of BMP signaling components.
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Zhang L, Jiao G, Ren S, Zhang X, Li C, Wu W, Wang H, Liu H, Zhou H, Chen Y. Exosomes from bone marrow mesenchymal stem cells enhance fracture healing through the promotion of osteogenesis and angiogenesis in a rat model of nonunion. Stem Cell Res Ther 2020; 11:38. [PMID: 31992369 PMCID: PMC6986095 DOI: 10.1186/s13287-020-1562-9] [Citation(s) in RCA: 166] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 12/20/2019] [Accepted: 01/12/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND As important players in cell-to-cell communication, exosomes (exo) are believed to play a similar role in promoting fracture healing. This study investigated whether exosomes derived from bone marrow mesenchymal stem cells (BMMSC-Exos) could improve fracture healing of nonunion. METHODS BMMSC-Exos were isolated and transplanted into the fracture site in a rat model of femoral nonunion (Exo group) every week. Moreover, equal volumes of phosphate-buffered saline (PBS) and exosome-depleted conditioned medium (CM-Exo) were injected into the femoral fracture sites of the rats in the control and CM-Exo groups. Bone healing processes were recorded and evaluated by radiographic methods on weeks 8, 14 and 20 after surgery. Osteogenesis and angiogenesis at the fracture sites were evaluated by radiographic and histological methods on postoperative week 20. The expression levels of osteogenesis- or angiogenesis-related genes were evaluated in vitro by western blotting and immunohistochemistry. The ability to internalize exosomes was assessed using the PKH26 assay. Altered proliferation and migration of human umbilical vein endothelial cells (HUVECs) and mouse embryo osteoblast precursor cells (MC3TE-E1s) treated with BMMSC-Exos were determined by utilizing EdU incorporation, immunofluorescence staining, and scratch wound assay. The angiogenesis ability of HUVECs was evaluated through tube formation assays. Finally, to explore the effect of exosomes in osteogenesis via the BMP-2/Smad1/RUNX2 signalling pathway, the BMP-2 inhibitors noggin and LDN193189 were utilized, and their subsequent effects were observed. RESULTS BMMSC-Exos were observed to be spherical with a diameter of approximately 122 nm. CD9, CD63 and CD81 were expressed. Transplantation of BMMSC-Exos obviously enhanced osteogenesis, angiogenesis and bone healing processes in a rat model of femoral nonunion. BMMSC-Exos were taken up by HUVECs and MC3T3-E1 in vitro, and their proliferation and migration were also improved. Finally, experiments with BMP2 inhibitors confirmed that the BMP-2/Smad1/RUNX2 signalling pathway played an important role in the pro-osteogenesis induced by BMMSC-Exos and enhanced fracture healing of nonunion. CONCLUSIONS Our findings suggest that transplantation of BMMSC-Exos exerts a critical effect on the treatment of nonunion by promoting osteogenesis and angiogenesis. This promoting effect might be ascribed to the activation of the BMP-2/Smad1/RUNX2 and the HIF-1α/VEGF signalling pathways.
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Affiliation(s)
- Lu Zhang
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Guangjun Jiao
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Shanwu Ren
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Xiaoqian Zhang
- Department of Radiology, Shandong University Qilu Hospital, Qingdao, Qingdao, China
| | - Ci Li
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Wenliang Wu
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Hongliang Wang
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Haichun Liu
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China
| | - Hongming Zhou
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China.,Department of Spine Surgery, Linyi Central Hospital, Linyi, China
| | - Yunzhen Chen
- Department of Spine Surgery, Shandong University Qilu Hospital, Jinan, China.
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Ouyang Z, Tan T, Zhang X, Wan J, Zhou Y, Jiang G, Yang D, Guo X, Liu T. CircRNA hsa_circ_0074834 promotes the osteogenesis-angiogenesis coupling process in bone mesenchymal stem cells (BMSCs) by acting as a ceRNA for miR-942-5p. Cell Death Dis 2019; 10:932. [PMID: 31804461 PMCID: PMC6895238 DOI: 10.1038/s41419-019-2161-5] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023]
Abstract
Bone tissue has a strong ability to repair itself. When treated properly, most fractures will heal well. However, some fractures are difficult to heal. When a fracture does not heal, it is called nonunion. Approximately, 5% of all fracture patients have difficulty healing. Because of the continuous movement of the fracture site, bone nonunion is usually accompanied by pain, which greatly reduces the quality of life of patients. Bone marrow mesenchymal stem cells (BMSCs) play an important role in the process of nonunion. Circular RNAs (circRNAs) are a unique kind of noncoding RNA and represent the latest research hotspot in the RNA field. At present, no studies have reported a role of circRNAs in the development of nonunion. After isolation of BMSCs from patients with nonunion, the expression of circRNAs in these cells was detected by using a circRNA microarray. Alkaline phosphatase and Alizarin red staining were used to detect the regulation of osteogenic differentiation of BMSCs by hsa_circ_0074834. The target gene of hsa_circ_0074834 was detected by RNA pull-down and double-luciferase reporter assay. The ability of hsa_circ_0074834 to regulate the osteogenesis of BMSCs in vivo was tested by heterotopic osteogenesis and single cortical bone defect experiments. The results showed that the expression of hsa_circ_0074834 in BMSCs from patients with nonunion was decreased. Hsa_circ_0074834 acts as a ceRNA to regulate the expression of ZEB1 and VEGF through microRNA-942-5p. Hsa_circ_0074834 can promote osteogenic differentiation of BMSCs and the repair of bone defects. These results suggest that circRNAs may be a key target for the treatment of nonunion.
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Affiliation(s)
- Zhengxiao Ouyang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Tingting Tan
- Department of Immunology, Xiangya School of Medicine, Central South University, 88 Xiangya Rd., Changsha, Hunan, 410008, P.R. China
| | - Xianghong Zhang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Jia Wan
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Yanling Zhou
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Guangyao Jiang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Daishui Yang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Xiaoning Guo
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P.R. China.
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Sun Z, Jin H, Zhou H, Yu L, Wan H, He Y. Guhong Injection promotes fracture healing by activating Wnt/beta-catenin signaling pathway in vivo and in vitro. Biomed Pharmacother 2019; 120:109436. [DOI: 10.1016/j.biopha.2019.109436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 12/27/2022] Open
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Kawagishi-Hotta M, Hasegawa S, Igarashi T, Date Y, Ishii Y, Inoue Y, Hasebe Y, Yamada T, Arima M, Iwata Y, Kobayashi T, Nakata S, Sugiura K, Akamatsu H. Increase of gremlin 2 with age in human adipose-derived stromal/stem cells and its inhibitory effect on adipogenesis. Regen Ther 2019; 11:324-330. [PMID: 31709279 PMCID: PMC6831850 DOI: 10.1016/j.reth.2019.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 08/23/2019] [Accepted: 09/20/2019] [Indexed: 02/07/2023] Open
Abstract
Introduction Adipose-derived stromal/stem cells (ASCs) have attracted attention as a promising material for regenerative medicine. Previously, we reported an age-related decrease in the adipogenic potential of ASCs from human subjects and found that the individual difference in this potential increased with age, although the mechanisms remain unclear. Recently, other groups demonstrated that a secreted antagonist of bone morphogenetic protein (BMP) signaling, Gremlin 2 (GREM2), inhibits the differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) into osteoblasts and the adipogenesis of 3T3-L1 cell. Here, we examined the effects of GREM2 on the differentiation of ASCs into adipocytes. Methods To examine changes in GREM2 expression levels with age, immunohistochemistry was performed on subcutaneous adipose tissues from subjects 12–97 years of age. Next, GREM2 gene expression levels in ASCs collected from subjects 5–90 years of age were examined by RT-PCR, and the change with age and correlation between the expression level and the adipogenic potential of ASCs were analyzed. In addition, to assess whether GREM2 affects adipogenesis, ASCs (purchased from a vendor) were cultured to induce adipogenesis with recombinant GREM2 protein, and siRNA-induced GREM2 knockdown experiment was also performed using aged ASCs. Results In adipose tissues, GREM2 expression was observed in cells, including ASCs, but not in mature adipocytes, and the expression level per cell increased with age. GREM2 expression levels in ASCs cultured in vitro also increased with age, and the individual differences in the level increased with age. Of note, partial correlation analysis controlled for age revealed that the adipogenic potential of ASCs and the GREM2 gene expression level were negatively correlated. Furthermore, based on a GREM2 addition experiment, GREM2 has inhibitory effects on the adipogenesis of ASCs through activation of Wnt/β-catenin signaling. On the other hand, GREM2 knockdown in aged ASCs promoted adipogenesis. Conclusions The GREM2 expression level was confirmed to play a role in the age-related decrease in adipogenic potential observed in ASCs isolated from adipose tissues as well as in the enhancement of the individual difference, which increased with age. GREM2 in adipose tissues increased with age, which suggested that GREM2 functions as an inhibitory factor of adipogenesis in ASCs. GREM2 in human adipose tissues increase with age. GREM2 expression in adipose-derived stromal/stem cells (ASCs) increased with age. In ASCs, adipogenic potential and GREM2 expression showed a negative correlation. Recombinant GREM2 inhibited the adipogenesis of ASCs. GREM2 knockdown in aged ASCs restored adipogenesis.
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Affiliation(s)
- Mika Kawagishi-Hotta
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan.,Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan
| | - Seiji Hasegawa
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan.,Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Toshio Igarashi
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan
| | - Yasushi Date
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
| | - Yoshie Ishii
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan
| | - Yu Inoue
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
| | - Yuichi Hasebe
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Nagoya University-MENARD Collaborative Research Chair, Nagoya University Graduate School of Medicine, Japan
| | - Takaaki Yamada
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan.,Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan.,Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Masaru Arima
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Yohei Iwata
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Tsukane Kobayashi
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Satoru Nakata
- Research Laboratories, Nippon Menard Cosmetic Co., Ltd, Japan
| | - Kazumitsu Sugiura
- Department of Dermatology, Fujita Health University School of Medicine, Japan
| | - Hirohiko Akamatsu
- Department of Applied Cell and Regenerative Medicine, Fujita Health University School of Medicine, Japan
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Wang Z, Sun J, Li Y, Chen C, Xu Y, Zang X, Li L, Meng K. Experimental study of the synergistic effect and network regulation mechanisms of an applied combination of BMP-2, VEGF, and TGF-β1 on osteogenic differentiation. J Cell Biochem 2019; 121:2394-2405. [PMID: 31646676 DOI: 10.1002/jcb.29462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 10/10/2019] [Indexed: 02/03/2023]
Abstract
The study aimed to explore the osteogenic effect induced by the combined use of bone morphogenetic protein-2 (BMP-2), vascular endothelial growth factor (VEGF), and transforming growth factor-β1 (TGF-β1), attain the best combination for osteogenic quality and efficiency, and explore the network regulation mechanisms of induced osteogenesis. MC3T3-E1 cells were cultured in vitro, and BMP-2, VEGF, and TGF β1 were added to osteogenic induction mediums in different combinations to conduct experiments. At 7 and 14 days, the alkaline phosphatase (ALP) and Alizarin Red S (ARS) staining of the applied BMP-2 and VEGF combination were deeper and the quantitative analysis were higher than those of the other groups. After optimizing the time-effect relationship of the combined application, with BMP-2, VEGF, and TGF-β1 adding in the early stage and BMP-2 and VEGF adding in the late, the ALP and ARS staining of these groups were deeper and the quantitative analyses were meaningfully higher than the BMP-2 and VEGF combination group at 7 and 14 days. The expression of the RUNX2 gene and the Smad1 signaling pathway in the optimized combination group was also significantly higher. The results demonstrate that the combination of BMP-2, VEGF, and TGF-β1 applied according to the time-effect relationship can significantly promote osteogenic differentiation mainly through the classical BMP-receptor-Smad signal pathway.
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Affiliation(s)
- Zhihao Wang
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,School of Stomatology, Qingdao University, Qingdao, Shandong, China
| | - Jian Sun
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,School of Stomatology, Qingdao University, Qingdao, Shandong, China.,Dental Digital Medicine & 3D Printing Engineering Laboratory of Qingdao, Qingdao, Shandong, China.,Shandong Provincial Key Laboratory of Digital Medicine and Computer-assisted Surgery, Qingdao, Shandong, China
| | - Yali Li
- Department of Operating Room, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Chen Chen
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yaoxiang Xu
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiaolong Zang
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Li Li
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,School of Stomatology, Qingdao University, Qingdao, Shandong, China
| | - Kun Meng
- Department of Oral & Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,School of Stomatology, Qingdao University, Qingdao, Shandong, China
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Extracellular IL-37 promotes osteogenic differentiation of human bone marrow mesenchymal stem cells via activation of the PI3K/AKT signaling pathway. Cell Death Dis 2019; 10:753. [PMID: 31582734 PMCID: PMC6776644 DOI: 10.1038/s41419-019-1904-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/24/2019] [Accepted: 08/11/2019] [Indexed: 12/11/2022]
Abstract
Interleukin (IL)-37, a pivotal anti-inflammatory cytokine and a fundamental inhibitor of innate immunity, has recently been shown to be abnormally expressed in several autoimmune-related orthopedic diseases, including rheumatoid arthritis, ankylosing spondylitis, and osteoporosis. However, the role of IL-37 during osteogenic differentiation of mesenchymal stem cells (MSCs) remains largely unknown. In this study, extracellular IL-37 significantly increased osteoblast-specific gene expression, the number of mineral deposits, and alkaline phosphatase activity of MSCs. Moreover, a signaling pathway was activated in the presence of IL-37. The enhanced osteogenic differentiation of MSCs due to supplementation of IL-37 was partially rescued by the presence of a PI3K/AKT signaling inhibitor. Using a rat calvarial bone defect model, IL-37 significantly improved bone healing. Collectively, these findings indicate that extracellular IL-37 enhanced osteogenesis of MSCs, at least in part by activation of the PI3K/AKT signaling pathway.
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Wen H, Kumar V, Mishra A, Song S, Aslam R, Hussain A, Wang H, Zhou X, He X, Wu G, Luo H, Lan X, Malhotra A, Singhal PC. Grem2 mediates podocyte apoptosis in high glucose milieu. Biochimie 2019; 160:113-121. [PMID: 30831151 DOI: 10.1016/j.biochi.2019.02.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 02/25/2019] [Indexed: 11/15/2022]
Abstract
BACKGROUND Increased DAN protein (Grem1, Grem2, Grem3, Cerberus, NBL1, SOST, and USAG1) levels are often associated with severe disease-states in adult kidneys. Grem1, SOST, and USAG1 have been demonstrated to be upregulated and play a critical role in the progression of diabetic nephropathy (DN); however, the expression and the role of other DAN family members in DN have not been reported yet. In this study, we investigated the expression and the role of Grem2 in the development of renal lesions in mice with type 2 DN. METHODS Fourteen-week-old BTBRob/ob (a mouse model of type 2 diabetes mellitus) and control (BTBR, wild type) mice were evaluated for renal functional and structural biomarkers. Urine was collected for protein content assay, and renal tissues were harvested for molecular analysis with real-time PCR, Western blotting, and immunohistochemistry. In vitro studies, human podocytes were transfected with Grem2 plasmid and were evaluated for apoptosis (morphologic assay and Western blotting). To evaluate the Grem2-mediated downstream signaling, the phosphorylation status of Smad2/3 and Smad1/5/8 was assessed. To establish a causal relationship, the effect of SIS3 (an inhibitor for Samd2/3) and BMP-7 (an agonist for Smad1/5/8) was evaluated on Germ2-induced podocyte apoptosis. RESULTS BTBRob/ob mice showed elevated urinary protein levels. Renal tissues of BTBRob/ob mice showed an increased expression of Grem2; both glomerular and tubular cells displayed enhanced Grem2 expression. In vitro studies, high glucose increased Grem2 expression in cultured human podocytes, whereas, Grem2 silencing partially protected podocyte from high glucose-induced apoptosis. Overexpression of Grem2 in podocytes not only increased Bax/Bcl2 expression ratio but also promoted podocyte apoptosis; moreover, an overexpression of Grem2 increased the phosphorylation of Smad2/3 and decreased the phosphorylation of Smad1/5/8; furthermore, SIS3 and BMP-7 attenuated Grem2-induced podocyte apoptosis. CONCLUSIONS High glucose increases Grem2 expression in kidney cells. Grem2 mediates podocyte apoptosis through Smads.
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Affiliation(s)
- Hongxiu Wen
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China; Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Vinod Kumar
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Abheepsa Mishra
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Su Song
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Rukhsana Aslam
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Ali Hussain
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Haichao Wang
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States; Department of Emergency Medicine, North Shore University Hospital, Manhasset, NY, United States
| | - Xiaogang Zhou
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiaoming He
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Guisheng Wu
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Huairong Luo
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiqian Lan
- Key Laboratory for Aging and Regenerative Medicine, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China; Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States.
| | - Ashwani Malhotra
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Pravin C Singhal
- Feinstein Institute for Medical Research and Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States.
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Zhang J, Jiang N, Yu H, Yu X, Guo F, Zhao Z, Xu H. Requirement of TGFβ Signaling for Effect of Fluoride on Osteoblastic Differentiation. Biol Trace Elem Res 2019; 187:492-498. [PMID: 29770951 DOI: 10.1007/s12011-018-1387-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 05/09/2018] [Indexed: 11/25/2022]
Abstract
Research focused on transforming growth factor β (TGFβ) signaling in osteoblast is gradually increasing, whereas literature is rare in terms of fluorosis. This work aimed to investigate how TGFβ signaling participated in regulation of the osteoblast by different doses of fluoride treatment. Bone marrow stem cells (BMSCs) were developed into osteoblastic cells and exposed to 1, 4, and 16 mg/L F- with and without 10 ng/mL of TGFβ. Cell viability and differentiation state of osteoblast under different settings were measured by means of cell counting kit and analysis of alkaline phosphatase (ALP) activity as well as formation of mineral nodules. Real-time PCR was utilized to test expression of ALP and Runt-related transcription factor 2 (Runx2) at gene level. The gene expression of TGFβ signaling effectors was also investigated, such as TGFβ receptors (TβRs), smad3, and mitogen-activated protein kinases (MAPK). Results demonstrated that fluoride treatment exhibited action on osteoblast viability and osteogenic differentiation and upregulated expression of TβR2, smad3, and MAPK in this process. Administration of TGFβ strengthened ALP activity but attenuated formation of mineral nodules. Co-treatment of TGFβ and low-dose fluoride increased ALP activity compared to same dose of single fluoride treatment, whereas it inhibited mineral nodule formation. Administration of TGFβ reversed the suppression of high-dose fluoride on osteogenic differentiation of BMSCs. Taken together, studies revealed that TβR2 acted as a target for fluoride and TGFβ treatment on BMSCs, and smad3 and MAPK were involved in the mechanism of fluoride regulating osteogenic differentiation. Together, our data indicated that TGFβ receptor-mediated signaling through smad3 and MAPK was required for modulation of fluoride on osteoblast viability and differentiation, and activating TβR2-smad3 signaling pathway reversed suppression of osteoblasts differentiation by high dose of fluoride treatment.
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Affiliation(s)
- Jingmin Zhang
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Ningning Jiang
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Haolan Yu
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Xiuhua Yu
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Fengyang Guo
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Zhitao Zhao
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China
| | - Hui Xu
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun, Jilin Province, 130021, People's Republic of China.
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Wang CG, Liao Z, Xiao H, Liu H, Hu YH, Liao QD, Zhong D. LncRNA KCNQ1OT1 promoted BMP2 expression to regulate osteogenic differentiation by sponging miRNA-214. Exp Mol Pathol 2019; 107:77-84. [PMID: 30703347 DOI: 10.1016/j.yexmp.2019.01.012] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/25/2019] [Accepted: 01/26/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) is of much significance for bone formation, the imbalance of it would result in osteoporosis and other pathological bone defects. Increasing evidences showed that long non-coding RNAs (lncRNAs) and miRNAs played vital roles in the regulation of osteogenic differentiation. LncRNA KCNQ1OT1 was often regarded as an imprinted lncRNA and was related to tumor progression, while its function in osteogenic differentiation remained unclear. METHOD qRT-PCR was performed to detect the expression of KCNQ1OT1, miR-214 and osteogenesis-related genes BMP2, Runx2, OPN, and OCN. Western blotting was carried out to detect osteogenesis-related markers. The osteoblastic phenotype was evidenced by alkaline phosphatase (ALP) activity and Alizarin Red S accumulation detection. Bioinformatics and luciferase assays were used to predict and validate the interaction between KCNQ1OT1 and miR-214 as well as BMP2 and miR-214. RESULTS KCNQ1OT1 was significantly up-regulated during the process of osteogenic induction while miR-214 was contrarily down-regulated. Knockdown of KCNQ1OT1 inhibited osteogenic differentiation and down-regulated BMP2 and osteogenesis-related genes. It was also confirmed that KCNQ1OT1 directly interacted with miR-214. Meanwhile, miR-214 could bind to 3'UTR of BMP2 and therefore inhibited its expression. Furthermore, co-transfection of miR-214 inhibitor could rescue the down-regulation of BMP2 and osteogenesis-related genes and osteogenic differentiation suppression induced by KCNQ1OT1 knockdown. Moreover, miR-214 inhibitor significantly reversed the decreased protein levels of p-Smad1/5/8, Runx2 and Osterix induced by shKCNQ1OT1. CONCLUSIONS KCNQ1OT1 positively regulated osteogenic differentiation of BMSCs by acting as a ceRNA to regulate BMP2 expression through sponging miR-214.
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Affiliation(s)
- Cheng-Gong Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Zhan Liao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Han Xiao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Hua Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Yi-He Hu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Qian-De Liao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Da Zhong
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, PR China.
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Quan C, Zhang Z, Liang P, Zheng J, Wang J, Hou Y, Tang Q. Bioactive gel self-assembled from phosphorylate biomimetic peptide: A potential scaffold for enhanced osteogenesis. Int J Biol Macromol 2018; 121:1054-1060. [PMID: 30359655 DOI: 10.1016/j.ijbiomac.2018.10.148] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/21/2018] [Accepted: 10/21/2018] [Indexed: 01/06/2023]
Abstract
Bone morphogenetic protein-2 biomimetic peptide (BMPBP) is a potent osteoinductive cytokine and plays a critical role during bone regeneration. Efforts to prepare hydrogels with surface modification or physical absorption of bioactive molecules do not provide sufficient bioactivity to meet the requirements of clinical application. The goal of this study was to form a three-dimensional hydrogel comprised of BMP-2 core sequence oligopeptide, phosphoserine, a synthetic cell adhesion peptide (RGDS), and polyaspartic acid to synergistically promote osteogenesis. Experiments performed in vitro revealed that the peptide gel was conducive to adhesion and proliferation of rat marrow mesenchymal stem cells (rMSCs). In addition, RT-PCR analysis indicated that rMSCs allowed better expression of osteogenesis-related genes such as BMP-2, runt-related transcription factor 2 (RUNX2), alkaline phosphatase (ALP), osteocalcin (OCN), and osteopontin (OPN). Use of the rat cranial bone defects model with micro-CT 3D reconstruction showed that bone regeneration patterns occurred from one side edge toward the center of the area implanted with the prepared biomimetic peptide hydrogels, demonstrating significantly accelerated bone regeneration. This work will provide a basis to explore the further application potential of this bioactive scaffold.
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Affiliation(s)
- Changyun Quan
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China.
| | - Zhaoqing Zhang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Peiqing Liang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Junjiong Zheng
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Jiping Wang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Yulin Hou
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Qiyan Tang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
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Wang CL, Peng JP, Chen XD. LncRNA-CIR promotes articular cartilage degeneration in osteoarthritis by regulating autophagy. Biochem Biophys Res Commun 2018; 505:692-698. [PMID: 30292414 DOI: 10.1016/j.bbrc.2018.09.163] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 09/25/2018] [Indexed: 01/07/2023]
Abstract
Osteoarthritis (OA) is a common joint disease that is regarded as a local inflammatory response caused by joint instability and accompanied by the progressive degeneration of articular cartilage. However, the molecular mechanisms involved in the maintenance of articular cartilage remain a subject of debate and research. This study aims to analyze the roles of long noncoding RNA (lncRNA)CIR and autophagy in cartilages and determine their overall contribution to the degradation of extracellular matrix. Patients with OA possessed high levels of lncRNA-CIR and MMP3 and low level of COL2A1. The levels of autophagy-related proteins, including LC3BI/II and beclin-1, increased from 12 h to 48 h. The use of si-lncRNA-CIR reversed the trend compared with that in the OA group. The negative effect of lncRNA-CIR was assessed in vivo by establishing a model of surgically induced OA. Moreover, si-lncRNA-CIR-treated joints exhibited fewer OA changes than saline-treated joints. Results were confirmed by histopathological grading of the models by using the Osteoarthritis Research Society International Scoring System and the outcomes of immunohistochemistry for LC3B-II and MMP-3. Overall, lncRNA-CIR played a negative role in the OA process by activating autophagy.
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Affiliation(s)
- Cheng-Long Wang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Jian-Ping Peng
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), China
| | - Xiao-Dong Chen
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), China.
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Xue D, Chen E, Zhong H, Zhang W, Wang S, Joomun MU, Yao T, Tan Y, Lin S, Zheng Q, Pan Z. Immunomodulatory properties of graphene oxide for osteogenesis and angiogenesis. Int J Nanomedicine 2018; 13:5799-5810. [PMID: 30310282 PMCID: PMC6165768 DOI: 10.2147/ijn.s170305] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Background The osteo-immunomodulatory properties of biomaterials play an important role in the outcomes of bone regeneration. Graphene oxide (GO) has been widely applied in many research fields due to its unique properties. However, the immunomodulatory properties of GO as a biomaterial for bone tissue engineering are still unclear. Materials and methods In this study, we evaluated the Inflammatory response of RAW264.7 cells influenced by GO. Then the osteogenic differentiation of BMSCs, and angiogenic differentiation of human umbilical vein endothelial cells (HUVECs) by stimulation with GO/RAW 264.7-conditioned culture medium were accessed. We also further investi gated the possible mechanisms underlying the osteo- and angio-immunomodulatory effects of GO. Results Our results showed that GO stimulates the secretion of oncostatin M, tumor necrosis factor alpha and other factors through the nuclear factor-κB pathway. GO/RAW264.7-conditioned medium promoted the osteogenic differentiation of BMSCs, stimulated upregulation of the HUVECs of vascular-related receptors, and promoted their tube formation in vitro. Conclusion In conclusion, our research shows that GO, as a biomaterial, can induce the formation of a beneficial osteo-immunomodulatory environment and is a promising biomaterial for bone tissue engineering.
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Affiliation(s)
- Deting Xue
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Erman Chen
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Huiming Zhong
- Department of Emergency, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China
| | - Wei Zhang
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Shengdong Wang
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Muhammad Umar Joomun
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Tianyi Yao
- Department of Information Science and Electronic Engineering and State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Yanbin Tan
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - ShiSheng Lin
- Department of Information Science and Electronic Engineering and State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Qiang Zheng
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
| | - Zhijun Pan
- Department of Orthopaedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310009, People's Republic of China, ;
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Gao X, Ge J, Li W, Zhou W, Xu L. LncRNA KCNQ1OT1 promotes osteogenic differentiation to relieve osteolysis via Wnt/β-catenin activation. Cell Biosci 2018. [PMID: 29541443 PMCID: PMC5842584 DOI: 10.1186/s13578-018-0216-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Background Resveratrol (RSV) has been reported to stimulate osteoblast differentiation in which Wnt/β-catenin signaling pathway played a crucial role. However, whether and how RSV activated Wnt/β-catenin pathway in osteogenic differentiation still remained elusive. Methods In vivo polymethylmethacrylate (PMMA) particle-induced osteolysis (PIO) mouse model and in vitro PMMA particle-stimulated mouse mesenchymal stem cells (mMSCs) experiments were established. Relative expression levels of lncRNA KCNQ1OT1, β-catenin, Runx2, Osterix and osteocalcin were determined using quantitative Real-Time PCR. Western blotting was used to measure β-catenin protein expression. In addition, the alkaline phosphatase activity and mineral deposition level using alizarin red S staining were performed to examine osteogenic differentiation status. The interaction between KCNQ1OT1 and β-catenin was confirmed by RNA pull down assay. Results RSV significantly attenuated PIO in vivo and PMMA-particle inhibition of osteogenic differentiation of mMSCs. Moreover, KCNQ1OT1 exerted the similar function in mMSCs by regulating β-catenin. Further study demonstrated that RSV exerted its effect on osteoblastic differentiation by regulating KCNQ1OT1. Consequently, RSV alleviated PMMA-particle inhibition of osteoblastic differentiation via Wnt/β-catenin pathway activation in vivo and in vitro. Conclusion RSV accelerated osteoblast differentiation by regulating lncRNA KCNQ1OT1 via Wnt/β-catenin pathway activation, indicating the functional role of RSV in modulating osteogenesis.
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Affiliation(s)
- Xuren Gao
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Rd., Xuzhou, 221002 Jiangsu People's Republic of China
| | - Jian Ge
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Rd., Xuzhou, 221002 Jiangsu People's Republic of China
| | - Weiyi Li
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Rd., Xuzhou, 221002 Jiangsu People's Republic of China
| | - Wangchen Zhou
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Rd., Xuzhou, 221002 Jiangsu People's Republic of China
| | - Lei Xu
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Rd., Xuzhou, 221002 Jiangsu People's Republic of China
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Ren Q, Cai M, Zhang K, Ren W, Su Z, Yang T, Sun T, Wang J. Effects of bone morphogenetic protein-2 (BMP-2) and vascular endothelial growth factor (VEGF) release from polylactide-poly (ethylene glycol)-polylactide (PELA) microcapsule-based scaffolds on bone. ACTA ACUST UNITED AC 2017; 51:e6520. [PMID: 29211249 PMCID: PMC5711005 DOI: 10.1590/1414-431x20176520] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 08/31/2017] [Indexed: 01/11/2023]
Abstract
Multiple growth factors can be administered to mimic the natural process of bone healing in bone tissue engineering. We investigated the effects of sequential release of bone morphogenetic protein-2 (BMP-2) and vascular endothelial growth factor (VEGF) from polylactide-poly (ethylene glycol)-polylactide (PELA) microcapsule-based scaffolds on bone regeneration. To improve the double emulsion/solvent evaporation technique, VEGF was encapsulated in PELA microcapsules, to which BMP-2 was attached. The scaffold (BMP-2/PELA/VEGF) was then fused to these microcapsules using the dichloromethane vapor method. The bioactivity of the released BMP-2 and VEGF was then quantified in rat mesenchymal stem cells (rMSCs). Immunoblotting analysis showed that BMP-2/PELA/VEG promoted the differentiation of rMSCs into osteoblasts via the MAPK and Wnt pathways. Osteoblast differentiation was assessed through alkaline phosphatase expression. When compared with simple BMP-2 plus VEGF group and pure PELA group, osteoblast differentiation in BMP-2/PELA/VEGF group significantly increased. An MTT assay indicated that BMP-2-loaded PELA scaffolds had no adverse effects on cell activity. BMP-2/PELA/VEG promoted the differentiation of rMSCs into osteoblast via the ERK1/2 and Wnt pathways. Our findings indicate that the sequential release of BMP-2 and VEGF from PELA microcapsule-based scaffolds is a promising approach for the treatment of bone defects.
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Affiliation(s)
- Q Ren
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - M Cai
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Baotou Medical College, Baotou, Inner Mongolia, China
| | - K Zhang
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - W Ren
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Z Su
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - T Yang
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - T Sun
- Emergency Department, Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - J Wang
- Department of Cardiothoracic Surgery, Third Affiliated Hospital of Inner Mongolia Medical University, Baotou, Inner Mongolia, China
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Fan T, Huang G, Wu W, Guo R, Zeng Q. Combined treatment with extracorporeal shock‑wave therapy and bone marrow mesenchymal stem cell transplantation improves bone repair in a rabbit model of bone nonunion. Mol Med Rep 2017; 17:1326-1332. [PMID: 29115642 DOI: 10.3892/mmr.2017.7984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 06/08/2017] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was to analyze whether extracorporeal shock‑wave therapy (ESWT) combined with bone marrow mesenchymal stem cell (BMMSC) transplantation improves bone repair in a rabbit bone nonunion model. ESWT combined with BMMSC effectively enhanced mechanical strength, fracture stiffness and histological scores, and increased alkaline phosphatase activity, and osteopontin, runt related transcription factor 2 and collagen type I α1 chain protein expression levels in a rabbit bone nonunion model. In addition, ESWT combined with BMMSC effectively enhanced insulin‑like growth factor 1 and vascular endothelial growth factor contents, promoted transforming growth factor‑β (TGF‑β) contents, and induced the growth factors, bone morphogenetic protein (BMP)‑2, BMP‑4 and purinergic receptor P2X7 (P2X7) protein expression in the rabbit bone nonunion model. Thus, the present study demonstrated that ESWT combined with BMMSC transplantation improves bone repair in a rabbit bone nonunion model via the BMPs and P2X7 signaling pathways.
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Affiliation(s)
- Tao Fan
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
| | - Guozhi Huang
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
| | - Wen Wu
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
| | - Rong Guo
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
| | - Qing Zeng
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, P.R. China
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Mostowska A, Biedziak B, Zadurska M, Bogdanowicz A, Olszewska A, Cieślińska K, Firlej E, Jagodziński PP. GREM2
nucleotide variants and the risk of tooth agenesis. Oral Dis 2017; 24:591-599. [DOI: 10.1111/odi.12793] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/07/2017] [Accepted: 10/03/2017] [Indexed: 12/17/2022]
Affiliation(s)
- A Mostowska
- Department of Biochemistry and Molecular Biology; Poznan University of Medical Sciences; Poznan Poland
| | - B Biedziak
- Division of Facial Malformation; Department of Dental Surgery; Poznan University of Medical Sciences; Poznan Poland
| | - M Zadurska
- Department of Orthodontics; Medical University of Warsaw; Warsaw Poland
| | - A Bogdanowicz
- Orthodoctic Clinic; Poznan University Hospital of Dentistry and Specialty Medicine; Poznan Poland
| | - A Olszewska
- Division of Facial Malformation; Department of Dental Surgery; Poznan University of Medical Sciences; Poznan Poland
| | - K Cieślińska
- Division of Facial Malformation; Department of Dental Surgery; Poznan University of Medical Sciences; Poznan Poland
| | - E Firlej
- Division of Facial Malformation; Department of Dental Surgery; Poznan University of Medical Sciences; Poznan Poland
| | - PP Jagodziński
- Department of Biochemistry and Molecular Biology; Poznan University of Medical Sciences; Poznan Poland
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Xue D, Chen E, Zhang W, Gao X, Wang S, Zheng Q, Pan Z, Li H, Liu L. The role of hesperetin on osteogenesis of human mesenchymal stem cells and its function in bone regeneration. Oncotarget 2017; 8:21031-21043. [PMID: 28423500 PMCID: PMC5400563 DOI: 10.18632/oncotarget.15473] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 02/08/2017] [Indexed: 11/28/2022] Open
Abstract
Hesperetin has been suggested to be involved in bone strength. We aimed to investigate the effects of hesperetin on the osteogenic differentiation of human mesenchymal stem cells and its related mechanisms. We showed that hesperetin promoted osteogenic differentiation of human mesenchymal stem cells in vitro. It potentially exerts its effects via the ERK and Smad signaling pathways. Using a rat osteotomy model, we showed that human mesenchymal stem cells combined with a hesperetin/gelatin sponge scaffold resulted in accelerated fracture healing in vivo. Due to the low cost of hesperetin, it could be used as a growth factor for bone tissue engineering or surgical fracture treatment.
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Affiliation(s)
- Deting Xue
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Erman Chen
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Wei Zhang
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Xiang Gao
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Shengdong Wang
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Qiang Zheng
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Zhijun Pan
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Hang Li
- Department of Orthopaedics, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, P.R. China
| | - Ling Liu
- Department of Nephrology, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou 310007, P.R. China
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