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Effects of Coculture Fibroblasts and Vascular Endothelial Cells on Proliferation and Osteogenesis of Adipose Stem Cells. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:6288695. [PMID: 35069787 PMCID: PMC8776444 DOI: 10.1155/2022/6288695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/12/2021] [Accepted: 12/21/2021] [Indexed: 11/18/2022]
Abstract
Background The development of tissue engineering provides a new method for the clinical treatment of bone defects, but the problems of slow formation and slow vascularization of tissue engineered bone have always existed. Studies have shown that the combined culture system of vascular endothelial cells and adipose stem cells is superior to single cell in repairing bone defects. With the excellent proliferation ability, secretion of synthetic collagen and a variety of regulatory factors and fibroblasts can differentiate into osteoblasts and have the potential to be excellent seed cells involved in tissue engineering bone construction. Objective To investigate the effects of combined culture of fibroblasts, vascular endothelial cells, and adipose stem cells on proliferation and osteogenic differentiation of adipose stem cells. Methods The cells were divided into 4 groups: adipose stem cell group, adipose stem cell+vascular endothelial cell coculture group, adipose stem cell+fibroblast coculture group, and adipose stem cell+vascular endothelial cell+fibroblast coculture group. The morphological changes of the cells were observed under an inverted microscope. After 1, 3, 5, 7, and 9 days of coculture, the proliferation of adipose stem cells in each group was detected by a CCK-8 method and the growth curve was plotted. Adipose stem cells in each group were stained with alizarin red and alkaline phosphatase at days 7, 14, 21, and 28. At the third week of coculture, Western blot was used to detect the expression level of bone morphogenetic protein 2 of adipose stem cells in each group. Results and Conclusions. (1) After 14 days of culture, some cells in the adipose stem cell+vascular endothelial cell+fibroblast coculture group fused into clumps and distributed in nests, while the adipose stem cells in the adipose stem cell group had a single cell morphology and no cell clusters were observed. (2) The cell growth curves were basically the same in each group, and the absorbance value increased gradually. The absorbance value of the adipocyte+vascular endothelial cell+fibroblast coculture group was the highest, followed by the adipocyte+fibroblast coculture group and then the adipocyte+fibroblast coculture group. (3) Alizarin red staining showed negative reaction in each group on the 7th day, and a small number of red positive cells gradually appeared in each group as time went on. On the 28th day, red positive cells were found in all groups, and most of them were in the coculture group of adipose stem cells+vascular endothelial cells+fibroblasts, showing red focal. The coculture group of adipose stem cells+vascular endothelial cells and adipose stem cells+fibroblasts was less, and the adipose stem cell group was the least. On day 28 of alkaline phosphatase staining, cells in each group had red positive particles, and the adipose stem cell+vascular endothelial cell+fibroblast coculture group and adipose stem cell+fibroblast coculture group had the most, followed by the adipose stem cell+vascular endothelial cell coculture group and then the adipose stem cell group. (4) Bone morphogenetic protein 2 was expressed in all groups, especially in adipose stem cell+fibroblast coculture group and adipose stem cell+vascular endothelial cell+ fibroblast coculture group. (5) Fibroblast could promote adipose stem cell osteogenic differentiation better than vascular endothelial cells, but the proliferation effect was not as good as vascular endothelial cells. The coculture system of fibroblast combined with vascular endothelial cells and adipose stem cells promoted the proliferation of adipose stem cells and the rapid and efficient differentiation of adipose stem cells into osteoblasts.
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Berardi S, Corrado A, Maruotti N, Cici D, Cantatore FP. Osteoblast role in the pathogenesis of rheumatoid arthritis. Mol Biol Rep 2021; 48:2843-2852. [PMID: 33774802 PMCID: PMC8060181 DOI: 10.1007/s11033-021-06288-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/11/2021] [Indexed: 12/14/2022]
Abstract
In the pathogenesis of several rheumatic diseases, such as rheumatoid arthritis, spondyloarthritis, osteoarthritis, osteoporosis, alterations in osteoblast growth, differentiation and activity play a role. In particular, in rheumatoid arthritis bone homeostasis is perturbed: in addition to stimulating the pathologic bone resorption process performed by osteoclasts in course of rheumatoid arthritis, proinflammatory cytokines (such as Tumor Necrosis factor-α, Interleukin-1) can also inhibit osteoblast differentiation and function, resulting in net bone loss. Mouse models of rheumatoid arthritis showed that complete resolution of inflammation (with maximal reduction in the expression of pro-inflammatory factors) is crucial for bone healing, performed by osteoblasts activity. In fact, abnormal activity of factors and systems involved in osteoblast function in these patients has been described. A better understanding of the pathogenic mechanisms involved in osteoblast dysregulation could contribute to explain the generalized and focal articular bone loss found in rheumatoid arthritis. Nevertheless, these aspects have not been frequently and directly evaluated in studies. This review article is focused on analysis of the current knowledge about the role of osteoblast dysregulation occurring in rheumatoid arthritis: a better knowledge of these mechanisms could contribute to the realization of new therapeutic strategies.
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Affiliation(s)
- S Berardi
- Rheumatology Clinic - Department of Medical and Surgical Sciences, University of Foggia - Policlinico Riuniti Foggia, Viale Pinto 1, 71121, Foggia, Italy.
| | - A Corrado
- Rheumatology Clinic - Department of Medical and Surgical Sciences, University of Foggia - Policlinico Riuniti Foggia, Viale Pinto 1, 71121, Foggia, Italy
| | - N Maruotti
- Rheumatology Clinic - Department of Medical and Surgical Sciences, University of Foggia - Policlinico Riuniti Foggia, Viale Pinto 1, 71121, Foggia, Italy
| | - D Cici
- Rheumatology Clinic - Department of Medical and Surgical Sciences, University of Foggia - Policlinico Riuniti Foggia, Viale Pinto 1, 71121, Foggia, Italy
| | - F P Cantatore
- Rheumatology Clinic - Department of Medical and Surgical Sciences, University of Foggia - Policlinico Riuniti Foggia, Viale Pinto 1, 71121, Foggia, Italy
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3
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Design and evaluation of Konjac glucomannan-based bioactive interpenetrating network (IPN) scaffolds for engineering vascularized bone tissues. Int J Biol Macromol 2020; 143:30-40. [DOI: 10.1016/j.ijbiomac.2019.12.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/12/2019] [Accepted: 12/02/2019] [Indexed: 01/19/2023]
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Gebuijs IGE, Raterman ST, Metz JR, Swanenberg L, Zethof J, Van den Bos R, Carels CEL, Wagener FADTG, Von den Hoff JW. Fgf8a mutation affects craniofacial development and skeletal gene expression in zebrafish larvae. Biol Open 2019; 8:bio.039834. [PMID: 31471293 PMCID: PMC6777363 DOI: 10.1242/bio.039834] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Craniofacial development is tightly regulated and therefore highly vulnerable to disturbance by genetic and environmental factors. Fibroblast growth factors (FGFs) direct migration, proliferation and survival of cranial neural crest cells (CNCCs) forming the human face. In this study, we analyzed bone and cartilage formation in the head of five dpf fgf8ati282 zebrafish larvae and assessed gene expression levels for 11 genes involved in these processes. In addition, in situ hybridization was performed on 8 and 24 hours post fertilization (hpf) larvae (fgf8a, dlx2a, runx2a, col2a1a). A significant size reduction of eight out of nine craniofacial cartilage structures was found in homozygous mutant (6–36%, P<0.01) and heterozygous (7–24%, P<0.01) larvae. Also, nine mineralized structures were not observed in all or part of the homozygous (0–71%, P<0.0001) and heterozygous (33–100%, P<0.0001) larvae. In homozygote mutants, runx2a and sp7 expression was upregulated compared to wild type, presumably to compensate for the reduced bone formation. Decreased col9a1b expression may compromise cartilage formation. Upregulated dlx2a in homozygotes indicates impaired CNCC function. Dlx2a expression was reduced in the first and second stream of CNCCs in homozygous mutants at 24 hpf, as shown by in situ hybridization. This indicates an impairment of CNCC migration and survival by fgf8 mutation. Summary: A function-blocking mutation in fgf8a causes craniofacial malformations in zebrafish larvae due to impaired cranial neural crest cell migration and survival.
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Affiliation(s)
- I G E Gebuijs
- Department of Orthodontics and Craniofacial Biology, Radboudumc, Nijmegen, The Netherlands.,Department of Orthodontics and Craniofacial Biology, Radboud Institute of Molecular Life Sciences, Nijmegen, The Netherlands.,Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - S T Raterman
- Department of Orthodontics and Craniofacial Biology, Radboudumc, Nijmegen, The Netherlands.,Department of Orthodontics and Craniofacial Biology, Radboud Institute of Molecular Life Sciences, Nijmegen, The Netherlands.,Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - J R Metz
- Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - L Swanenberg
- Department of Orthodontics and Craniofacial Biology, Radboudumc, Nijmegen, The Netherlands.,Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - J Zethof
- Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - R Van den Bos
- Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
| | - C E L Carels
- Department of Orthodontics and Craniofacial Biology, Radboud Institute of Molecular Life Sciences, Nijmegen, The Netherlands.,Department of Human Genetics, Radboudumc, Nijmegen, The Netherlands.,Department of Oral Health Sciences and Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - F A D T G Wagener
- Department of Orthodontics and Craniofacial Biology, Radboudumc, Nijmegen, The Netherlands.,Department of Orthodontics and Craniofacial Biology, Radboud Institute of Molecular Life Sciences, Nijmegen, The Netherlands
| | - J W Von den Hoff
- Department of Orthodontics and Craniofacial Biology, Radboudumc, Nijmegen, The Netherlands .,Department of Orthodontics and Craniofacial Biology, Radboud Institute of Molecular Life Sciences, Nijmegen, The Netherlands
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Cai M, Yang L, Zhang S, Liu J, Sun Y, Wang X. A bone-resorption surface-targeting nanoparticle to deliver anti-miR214 for osteoporosis therapy. Int J Nanomedicine 2017; 12:7469-7482. [PMID: 29075114 PMCID: PMC5648312 DOI: 10.2147/ijn.s139775] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
With increasing fracture risks due to fragility, osteoporosis is a global health problem threatening postmenopausal women. In these patients, osteoclasts play leading roles in bone loss and fracture. How to inhibit osteoclast activity is the key issue for osteoporosis treatment. In recent years, miRNA-based gene therapy through gene regulation has been considered a potential therapeutic method. However, in light of the side effects, the use of therapeutic miRNAs in osteoporosis treatment is still limited by the lack of tissue/cell-specific delivery systems. Here, we developed polyurethane (PU) nanomicelles modified by the acidic peptide Asp8. Our data showed that without overt toxicity or eliciting an immune response, this delivery system encapsulated and selectively deliver miRNAs to OSCAR+ osteoclasts at bone-resorption surface in vivo. With the Asp8-PU delivery system, anti-miR214 was delivered to osteoclasts, and bone microarchitecture and bone mass were improved in ovariectomized osteoporosis mice. Therefore, Asp8-PU could be a useful bone-resorption surface-targeting delivery system for treatment of osteoclast-induced bone diseases and aging-related osteoporosis.
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Affiliation(s)
- Mingxiang Cai
- Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral Implantology, School of Stomatology, Tongji University, Shanghai
| | - Li Yang
- Department of Cell Biology, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Shufan Zhang
- Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral Implantology, School of Stomatology, Tongji University, Shanghai
| | - Jiafan Liu
- Department of Cell Biology, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yao Sun
- Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral Implantology, School of Stomatology, Tongji University, Shanghai
| | - Xiaogang Wang
- Department of Cell Biology, Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
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Combined Effects of Androgen and Growth Hormone on Osteoblast Marker Expression in Mouse C2C12 and MC3T3-E1 Cells Induced by Bone Morphogenetic Protein. J Clin Med 2017; 6:jcm6010006. [PMID: 28067796 PMCID: PMC5294959 DOI: 10.3390/jcm6010006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Revised: 12/07/2016] [Accepted: 01/03/2017] [Indexed: 11/17/2022] Open
Abstract
Osteoblasts undergo differentiation in response to various factors, including growth factors and steroids. Bone mass is diminished in androgen- and/or growth hormone (GH)-deficient patients. However the functional relationship between androgen and GH, and their combined effects on bone metabolism, remains unclear. Here we investigated the mutual effects of androgen and GH on osteoblastic marker expression using mouse myoblastic C2C12 and osteoblast-like MC3T3-E1 cells. Combined treatment with dihydrotestosterone (DHT) and GH enhanced BMP-2-induced expression of Runx2, ALP, and osteocalcin mRNA, compared with the individual treatments in C2C12 cells. Co-treatment with DHT and GH activated Smad1/5/8 phosphorylation, Id-1 transcription, and ALP activity induced by BMP-2 in C2C12 cells but not in MC3T3-E1 cells. The insulin-like growth factor (IGF-I) mRNA level was amplified by GH and BMP-2 treatment and was restored by co-treatment with DHT in C2C12 cells. The mRNA level of the IGF-I receptor was not significantly altered by GH or DHT, while it was increased by IGF-I. In addition, IGF-I treatment increased collagen-1 mRNA expression, whereas blockage of endogenous IGF-I activity using an anti-IGF-I antibody failed to suppress the effect of GH and DHT on BMP-2-induced Runx2 expression in C2C12 cells, suggesting that endogenous IGF-I was not substantially involved in the underlying GH actions. On the other hand, androgen receptor and GH receptor mRNA expression was suppressed by BMP-2 in both cell lines, implying the existence of a feedback action. Collectively the results showed that the combined effects of androgen and GH facilitated BMP-2-induced osteoblast differentiation at an early stage by upregulating BMP receptor signaling.
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Lian C, Wu Z, Gao B, Peng Y, Liang A, Xu C, Liu L, Qiu X, Huang J, Zhou H, Cai Y, Su P, Huang D. Melatonin reversed tumor necrosis factor-alpha-inhibited osteogenesis of human mesenchymal stem cells by stabilizing SMAD1 protein. J Pineal Res 2016; 61:317-27. [PMID: 27265199 DOI: 10.1111/jpi.12349] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 06/03/2016] [Indexed: 12/29/2022]
Abstract
Tumor necrosis factor-alpha (TNFα) plays a pivotal role in inflammation-related osteoporosis through the promotion of bone resorption and suppression of bone formation. Numerous drugs have been produced to treat osteoporosis by inhibiting bone resorption, but they offer few benefits to bone formation, which is what is needed by patients with severe bone loss. Melatonin, which can exert both anti-inflammatory and pro-osteogenic effects, shows promise in overcoming TNFα-inhibited osteogenesis and deserves further research. This study demonstrated that melatonin rescued TNFα-inhibited osteogenesis of human mesenchymal stem cells and that the interactions between SMURF1 and SMAD1 mediated the crosstalk between melatonin signaling and TNFα signaling. Additionally, melatonin treatment was found to downregulate TNFα-induced SMURF1 expression and then decrease SMURF1-mediated ubiquitination and degradation of SMAD1 protein, leading to steady bone morphogenetic protein-SMAD1 signaling activity and restoration of TNFα-impaired osteogenesis. Thus, melatonin has prospects for treating osteoporosis caused by inflammatory factors due to its multifaceted functions on regulation of bone formation, bone resorption, and inflammation. Further studies will focus on unveiling the specific mechanisms by which melatonin downregulates SMURF1 expression and confirming the clinical therapeutic value of melatonin in the prevention and therapy of bone loss associated with inflammation.
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Affiliation(s)
- Chengjie Lian
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zizhao Wu
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Bo Gao
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yan Peng
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Anjing Liang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Caixia Xu
- Research Centre for Translational Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Lei Liu
- Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xianjian Qiu
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Junjun Huang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hang Zhou
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yifeng Cai
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Peiqiang Su
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Dongsheng Huang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
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Lee Y, Bae KJ, Chon HJ, Kim SH, Kim SA, Kim J. A Receptor Tyrosine Kinase Inhibitor, Dovitinib (TKI-258), Enhances BMP-2-Induced Osteoblast Differentiation In Vitro. Mol Cells 2016; 39:389-94. [PMID: 27025387 PMCID: PMC4870186 DOI: 10.14348/molcells.2016.2300] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 02/16/2016] [Accepted: 02/25/2016] [Indexed: 02/07/2023] Open
Abstract
Dovitinib (TKI258) is a small molecule multi-kinase inhibitor currently in clinical phase I/II/III development for the treatment of various types of cancers. This drug has a safe and effective pharmacokinetic/pharmacodynamic profile. Although dovitinib can bind several kinases at nanomolar concentrations, there are no reports relating to osteoporosis or osteoblast differentiation. Herein, we investigated the effect of dovitinib on human recombinant bone morphogenetic protein (BMP)-2-induced osteoblast differentiation in a cell culture model. Dovitinib enhanced the BMP-2-induced alkaline phosphatase (ALP) induction, which is a representative marker of osteoblast differentiation. Dovitinib also stimulated the translocation of phosphorylated Smad1/5/8 into the nucleus and phosphorylation of mitogen-activated protein kinases, including ERK1/2 and p38. In addition, the mRNA expression of BMP-4, BMP-7, ALP, and OCN increased with dovitinib treatment. Our results suggest that dovitinib has a potent stimulating effect on BMP-2-induced osteoblast differentiation and this existing drug has potential for repositioning in the treatment of bone-related disorders.
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Affiliation(s)
- Yura Lee
- Department of Biomedical Laboratory Science, School of Medicine, Eulji University, Daejeon 34824,
Korea
| | - Kyoung Jun Bae
- Department of Biomedical Laboratory Science, School of Medicine, Eulji University, Daejeon 34824,
Korea
| | - Hae Jung Chon
- Department of Biomedical Laboratory Science, School of Medicine, Eulji University, Daejeon 34824,
Korea
| | - Seong Hwan Kim
- Laboratory of Translational Therapeutics, Korea Research Institute of Chemical Technology, Eulji University, Daejeon 34824,
Korea
| | - Soon Ae Kim
- Department of Pharmacology, School of Medicine, Eulji University, Daejeon 34824,
Korea
| | - Jiyeon Kim
- Department of Biomedical Laboratory Science, School of Medicine, Eulji University, Daejeon 34824,
Korea
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