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Shi X, Wu K, Liu C, Cao K, Zhang Q, Wu W, Luo C, Huang W. Preliminary investigation into the impact of BPA on osteoblast activity and bone development: In vitro and in vivo models. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123731. [PMID: 38458519 DOI: 10.1016/j.envpol.2024.123731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/24/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Bisphenol A (BPA), an ingredient in consumer products, has been suggested that it can interfere with bone development and maintenance, whereas the molecule mechanism remains unclear. The objective of this study is to investigate the effect of BPA on early bone differentiation and metabolism, and its potential molecule mechanism by employing hFOB1.19 cell as an in vitro model, as well as larval zebrafish as an in vivo model. The in vitro experiments indicated that BPA decreased cell viability, inhibited osteogenic activity (such as ALP, RUNX2), increased ROS production, upregulated transcriptional or protein levels of apoptosis-related molecules (such as Caspase 3, Caspase 9), while suppressed transcriptional or protein levels of pyroptosis-specific markers (TNF-α, TNF-β, IL-1β, ASC, Caspase 1, and GSDMD). Moreover, the evidences from in vivo model demonstrated that exposure to BPA distinctly disrupted pharyngeal cartilage, craniofacial bone development, and retarded bone mineralization. The transcriptional level of bone development-related genes (bmp2, dlx2a, runx2, and sp7), apoptosis-related genes (bcl2), and pyroptosis-related genes (cas1, nlrp3) were significantly altered after treating with BPA in zebrafish larvae. In summary, our study, combining in vitro and in vivo models, confirmed that BPA has detrimental effects on osteoblast activity and bone development. These effects may be due to the promotion of apoptosis, the initiation of oxidative stress, and the inhibition of pyroptosis.
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Affiliation(s)
- Xiaoling Shi
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Kusheng Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Caixia Liu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Kexin Cao
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 030001, Taiyuan, China
| | - Qiong Zhang
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Wenying Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Congying Luo
- Department of Preventive Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Wenlong Huang
- Department of Forensic Medicine, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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2
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Niu J, Wang Y, Meng Y, Qi W, Wen J. Asperosaponin VI induces osteogenic differentiation of human umbilical cord mesenchymal stem cells via the estrogen signaling pathway. Medicine (Baltimore) 2022; 101:e32344. [PMID: 36550906 PMCID: PMC9771310 DOI: 10.1097/md.0000000000032344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Asperosaponin VI (ASA VI) is an active ingredient found in the traditional Chinese herb Radix Dipsaci, which is used to treat fractures. ASA VI combined with osteogenic medium can induce osteogenic differentiation of rat-derived stem cells. However, whether ASA VI alone can induce osteoblast differentiation of human mesenchymal stem cells (MSCs) remains unclear. METHODS ASA VI human-derived binding proteins were searched in the PharmMapper database, osteogenesis-related signaling pathways were obtained through a literature search, and proteins contained in these signaling pathways were queried in the Kyoto Encyclopedia of Genes and Genomes database. SystemsDock was used to perform online molecular docking of target proteins to evaluate their binding abilities, and validation experiments were performed. RESULTS A total of 620 ASA VI target proteins and 12 osteogenesis-related signaling pathways were queried, and 17 intersecting targets were screened. Molecular docking results showed that these targets had high binding affinity for ASA VI. We selected estrogen receptor 2 and its estrogen signaling pathway for experimental validation. The results showed that ASA VI can induce the osteogenic differentiation of MSCs through the estrogen signaling pathway. CONCLUSION ASA VI can independently induce osteogenic differentiation of human umbilical cord MSCs, and the estrogen signaling pathway plays an important role in this process. Thus, ASA VI may have potential as an anti-osteoporosis drug.
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Affiliation(s)
- Junting Niu
- Department of Medical Genetics, School of Basic Medicine, Jilin University, Changchun, China
| | - Yiqing Wang
- Department of Medical Genetics, School of Basic Medicine, Jilin University, Changchun, China
| | - Yao Meng
- Department of Medical Genetics, School of Basic Medicine, Jilin University, Changchun, China
| | - Wanli Qi
- Department of Osteosci, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
- * Correspondence: Wanli Qi, Department of Osteosci, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130021, China (e-mail: )
| | - Jianping Wen
- Department of Medical Genetics, School of Basic Medicine, Jilin University, Changchun, China
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3
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Maduranga Karunarathne WAH, Choi YH, Park SR, Lee CM, Kim GY. Bisphenol A inhibits osteogenic activity and causes bone resorption via the activation of retinoic acid-related orphan receptor α. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129458. [PMID: 35780740 DOI: 10.1016/j.jhazmat.2022.129458] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/13/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Bisphenol A (BPA) has deleterious effects on bone metabolism; however, its underlying mechanism has not yet been comprehensively understood. Here, we investigated whether RORα plays an important role in BPA-induced bone resorption both in vitro and in vivo. We found that BPA (0.1-1 μM) inhibited osteogenic activity (including ALP activity and mineralization), decreased the expression levels of osteoblast markers (such as RUNX2, OSX, and ALP) in human MG-63 osteoblast-like osteosarcoma cells, and inhibited spontaneous vertebral formation in zebrafish larvae. Additionally, BPA diminished β-glycerophosphate-induced osteoblast differentiation and vertebral formation, while simultaneously downregulating the expression levels of RUNX2a, OSX, and ALP. Furthermore, molecular docking data showed that a hydroxyl group of BPA dominantly binds to the H3 (ALA70) and/or H5 (ARG107) of RORα-ligand binding domain with hydrogen bonding (ALA330 and/or ARG367 in the full length of RORα, respectively), which another hydroxyl group of BPA fits into H3, H6, and H7 elements with non-covalent interactions, resulting in the activation of RORα. However, an RORα inverse agonist potently inhibited BPA-induced anti-osteogenic activity and vertebral formation in zebrafish larvae, concomitant with inhibition of osteogenic gene expression. Overall, our findings reveal that BPA inhibits osteoblast differentiation and bone formation by activating RORα. These results suggest that BPA exposure (0.1-1 μM) can cause various bone-resorptive diseases, such as osteoporosis.
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Affiliation(s)
| | - Yung Hyun Choi
- Department of Biochemistry, College of Korean Medicine, Dong-Eui University, Busan 47227, Republic of Korea
| | - Sang Rul Park
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Chang-Min Lee
- Department of Molecular Microbiology and Immunology, Division of Biology and Medicine, Brown University, 185 Meeting St., Providence, RI 02912, USA
| | - Gi-Young Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea.
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4
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Xu Y, Chen S, Huang L, Han W, Shao Y, Chen M, Zhang Y, He R, Xie B. Epimedin C Alleviates Glucocorticoid-Induced Suppression of Osteogenic Differentiation by Modulating PI3K/AKT/RUNX2 Signaling Pathway. Front Pharmacol 2022; 13:894832. [PMID: 35860032 PMCID: PMC9291512 DOI: 10.3389/fphar.2022.894832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/16/2022] [Indexed: 12/03/2022] Open
Abstract
Secondary osteoporosis is triggered mostly by glucocorticoid (GC) therapy. Dexamethasone (DEX) was reported to inhibit osteogenic differentiation in zebrafish larvae and MC3T3-E1 cells in prior research. In this research, we primarily examined the protective impacts of epimedin C on the osteogenic inhibition impact of MC3T3-E1 cells and zebrafish larvae mediated by DEX. The findings illustrated no apparent toxicity for MC3T3-E1 cells after administering epimedin C at increasing dosages from 1 to 60 μM and no remarkable proliferation in MC3T3-E1 cells treated using DEX. In MC3T3-E1 cells that had been treated using DEX, we discovered that epimedin C enhanced alkaline phosphatase activities and mineralization. Epimedin C could substantially enhance the protein expression of osterix (OSX), Runt-related transcription factor 2 (RUNX2), and alkaline phosphatase (ALPL) in MC3T3-E1 cells subjected to DEX treatment. Additionally, epimedin C stimulated PI3K and AKT signaling pathways in MC3T3-E1 cells that had been treated using DEX. Furthermore, in a zebrafish larvae model, epimedin C was shown to enhance bone mineralization in DEX-mediated bone impairment. We also found that epimedin C enhanced ALPL activity and mineralization in MC3T3-E1 cells treated using DEX, which may be reversed by PI3K inhibitor (LY294002). LY294002 can also reverse the protective impact of epimedin C on DEX-mediated bone impairment in zebrafish larval. These findings suggested that epimedin C alleviated the suppressive impact of DEX on the osteogenesis of zebrafish larval and MC3T3-E1 cells via triggering the PI3K and AKT signaling pathways. Epimedin C has significant potential in the development of innovative drugs for the treatment of glucocorticoid-mediated osteoporosis.
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Affiliation(s)
- Yongxiang Xu
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Shichun Chen
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Linxuan Huang
- Dongguan Institute of Clinical Cancer Research, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Weichao Han
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Yingying Shao
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Minyi Chen
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
| | - Yusheng Zhang
- Department of Pharmacy, The First People’s Hospital of Foshan (The Affiliated Foshan Hospital of Sun Yat-Sen University), Foshan, China
| | - Ruirong He
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
- *Correspondence: Ruirong He, ; Baocheng Xie,
| | - Baocheng Xie
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
- *Correspondence: Ruirong He, ; Baocheng Xie,
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5
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Liu Z, Li B, Hu H, Li X, Zhang X. Potential of RNA-binding protein human antigen R as a driver of osteogenic differentiation in osteoporosis. J Orthop Surg Res 2022; 17:234. [PMID: 35414004 PMCID: PMC9003960 DOI: 10.1186/s13018-022-03073-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 03/16/2022] [Indexed: 12/02/2022] Open
Abstract
Background Emerging evidence has correlated the human antigen R (HuR) with the low-density lipoprotein receptor-related protein 6 (LRP6) gene, an important therapeutic target for osteoporosis. Herein, we sought to probe the regulatory role of HuR in the LRP6 gene and their interaction in the progression of osteoporosis. Methods HuR and downstream potential target genes were predicted by bioinformatics analysis to identify their potential functions in bone metabolism following osteoporosis. The effect of HuR on the osteoblastic differentiation and viability and apoptosis of mouse embryo osteoblast precursor cells (MC3T3-E1) was evaluated after artificial modulation of HuR expression. Results Bone phenotypes were observed in ovariectomized mice in response to adenovirus-mediated HuR overexpression. Poor expression of HuR was identified in the bone tissues of ovariectomized mice. Silencing of HuR inhibited the osteoblastic differentiation of MC3T3-E1 cells, as evidenced by decreased expression of Runx2 and Osterix along with reduced ALP activity. Mechanistically, HuR stabilized LRP6 mRNA and promoted its translation by binding to the 3'UTR of LRP6 mRNA, leading to activation of the downstream Wnt pathway. By this mechanism, osteoblastic differentiation of MC3T3-E1 cells was induced. In ovariectomized mice, overexpression of HuR alleviated osteoporosis-related phenotypes. Conclusion Overall, these data together support the promoting role of HuR in the osteoblastic differentiation, highlighting a potential novel strategy for osteoporosis treatment. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-022-03073-w.
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Affiliation(s)
- Zelin Liu
- Department of Orthopedics and Traumatology, Second Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150000, China
| | - Baitao Li
- Department of Acupuncture, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150000, China
| | - Hai Hu
- Department of Orthopedics and Traumatology, Second Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150000, China
| | - Xiaodong Li
- Department of Orthopedics and Traumatology, Second Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, 150000, China
| | - Xiaofeng Zhang
- Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Xiangfang District, Harbin, 150000, Heilongjiang Province, China.
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6
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Li L, Zhou J, Xu Y, Huang Z, Zhang N, Qiu X, Wang L. C-C chemokine receptor type 6 modulates the biological function of osteoblastogenesis by altering the expression levels of Osterix and OPG/RANKL. Biosci Trends 2021; 15:240-248. [PMID: 34248133 DOI: 10.5582/bst.2021.01199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Circulating inflammatory factors affect osteoblast and osteoclast formation and activity in osteoporosis. Estrogen affects the migration of Th17 cells via the C-C chemokine receptor type 6 (CCR6) and C-C chemokine ligand 20 (CCL20) signaling pathways to modulate bone metabolism; however, it is unclear whether and how CCR6 modulates bone homeostasis. In the present study, CCR6 knockout (CCR6-/-) mice were selected to investigate the effects of CCR6 in the regulation of homeostasis of osteoblasts and osteoclasts. Primary osteoblasts were isolated from the calvarium of newborn CCR6-/- or wild-type mice, followed by osteoblastic differentiation culture in vitro. CCR6 deletion reduced osteoblast activity in terms of alkaline phosphatase (ALP) activity and inhibited osteoblast mineralization according to the results of Alizarin Red S staining, whereas it did not affect the proliferation of osteoblasts. CCR6 deletion inhibited Osterix mRNA expression in osteoblasts during the late stage of mineralization in vitro, while it did not affect mRNA expression levels of runt-related transcription factor 2 (Runx2) and Collagen-1. The ratio of osteoprotegerin (OPG) /receptor activator of nuclear factor κ-Β ligand (RANKL) mRNA level in osteoblasts was decreased by CCR6 deficiency in the culture treated with 1,25(OH)2D3/PGE2, while there was no effect observed in the normal culture environment. The results provide novel insights, such as that CCR6 deletion suppresses osteoblast differentiation by downregulating the expression levels of the transcription factor Osterix, and indirectly promotes osteoclast production by increasing transcription of RANKL. This may be one of the mechanisms via which CCR6 deletion regulates bone metabolism.
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Affiliation(s)
- Lisha Li
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
| | - Jing Zhou
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
| | - Yingping Xu
- Reproductive Medicine Centre, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
| | - Zengshu Huang
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
| | - Na Zhang
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
| | - Xuemin Qiu
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
| | - Ling Wang
- Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.,The Academy of Integrative Medicine of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases, Shanghai, China
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7
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Mechanical stimulation induced osteogenic differentiation of BMSCs through TWIST/E2A/p21 axis. Biosci Rep 2021; 40:222707. [PMID: 32309849 PMCID: PMC7199451 DOI: 10.1042/bsr20193876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/02/2020] [Accepted: 04/16/2020] [Indexed: 12/11/2022] Open
Abstract
The relationship between mechanical force and alveolar bone remodeling is an important issue in orthodontics because tooth movement is dependent on the response of bone tissue to the mechanical force induced by the appliances used. Mechanical cyclical stretch plays an essential role in the cell osteogenic differentiation involved in bone remodeling. However, the underlying mechanisms are unclear, particularly the molecular pathways regulated by mechanical stimulation. In the present study, we reported a dynamic change of p21 level in response to mechanical cyclical stretch, and shRNA-p21 in bone marrow mesenchymal stem cells (BMSCs) induced osteogenic differentiation. The mechanism was mediated through TWIST/E2A/p21 axis. These results supported the mechanical stimulation-induced osteogenic differentiation is negatively regulated by p21.
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8
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Cheng BF, Feng X, Gao YX, Jian SQ, Liu SR, Wang M, Xie YF, Wang L, Feng ZW, Yang HJ. Neural Cell Adhesion Molecule Regulates Osteoblastic Differentiation Through Wnt/β-Catenin and PI3K-Akt Signaling Pathways in MC3T3-E1 Cells. Front Endocrinol (Lausanne) 2021; 12:657953. [PMID: 34054729 PMCID: PMC8150200 DOI: 10.3389/fendo.2021.657953] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 04/26/2021] [Indexed: 01/01/2023] Open
Abstract
Neural cell adhesion molecule (NCAM) is involved in cell multi-directional differentiation, but its role in osteoblast differentiation is still poorly understood. In the present study, we investigated whether and how NCAM regulates osteoblastic differentiation. We found that NCAM silencing inhibited osteoblast differentiation in pre-osteoblastic MC3T3-E1 cells. The function of NCAM was further confirmed in NCAM-deficient mesenchymal stem cells (MSCs), which also had a phenotype with reduced osteoblastic potential. Moreover, NCAM silencing induced decrease of Wnt/β-catenin and Akt activation. The Wnt inhibitor blocked osteoblast differentiation, and the Wnt activator recovered osteoblast differentiation in NCAM-silenced MC3T3-E1 cells. We lastly demonstrated that osteoblast differentiation of MC3T3-E1 cells was inhibited by the PI3K-Akt inhibitor. In conclusion, these results demonstrate that NCAM silencing inhibited osteoblastic differentiation through inactivation of Wnt/β-catenin and PI3K-Akt signaling pathways.
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Affiliation(s)
- Bin-Feng Cheng
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
- *Correspondence: Bin-Feng Cheng, ; Hai-Jie Yang,
| | - Xiao Feng
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Yao-Xin Gao
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Shao-Qin Jian
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Shi-Rao Liu
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Mian Wang
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Yun-Fei Xie
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Lei Wang
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
| | - Zhi-Wei Feng
- Institute of Precision Medicine, Xinxiang Medical University, Xinxiang, China
| | - Hai-Jie Yang
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, China
- Henan Children’s Hospital, Zhengzhou, China
- *Correspondence: Bin-Feng Cheng, ; Hai-Jie Yang,
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9
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Liu Q, Li M, Wang S, Xiao Z, Xiong Y, Wang G. Recent Advances of Osterix Transcription Factor in Osteoblast Differentiation and Bone Formation. Front Cell Dev Biol 2020; 8:601224. [PMID: 33384998 PMCID: PMC7769847 DOI: 10.3389/fcell.2020.601224] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/23/2020] [Indexed: 12/14/2022] Open
Abstract
With increasing life expectations, more and more patients suffer from fractures either induced by intensive sports or other bone-related diseases. The balance between osteoblast-mediated bone formation and osteoclast-mediated bone resorption is the basis for maintaining bone health. Osterix (Osx) has long been known to be an essential transcription factor for the osteoblast differentiation and bone mineralization. Emerging evidence suggests that Osx not only plays an important role in intramembranous bone formation, but also affects endochondral ossification by participating in the terminal cartilage differentiation. Given its essentiality in skeletal development and bone formation, Osx has become a new research hotspot in recent years. In this review, we focus on the progress of Osx's function and its regulation in osteoblast differentiation and bone mass. And the potential role of Osx in developing new therapeutic strategies for osteolytic diseases was discussed.
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Affiliation(s)
- Qian Liu
- Key Laboratory of Brain and Neuroendocrine Diseases, College of Hunan Province, Hunan University of Medicine, Huaihua, China
- Biomedical Research Center, Hunan University of Medicine, Huaihua, China
| | - Mao Li
- Biomedical Research Center, Hunan University of Medicine, Huaihua, China
| | - Shiyi Wang
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Zhousheng Xiao
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Yuanyuan Xiong
- Key Laboratory of Brain and Neuroendocrine Diseases, College of Hunan Province, Hunan University of Medicine, Huaihua, China
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Guangwei Wang
- Key Laboratory of Brain and Neuroendocrine Diseases, College of Hunan Province, Hunan University of Medicine, Huaihua, China
- Biomedical Research Center, Hunan University of Medicine, Huaihua, China
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10
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Nam SW, Kim SH, Han Y. Discovery and development of berberine derivatives as stimulants of osteoblast differentiation. Biochem Biophys Res Commun 2020; 527:110-116. [PMID: 32446353 DOI: 10.1016/j.bbrc.2020.03.145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 03/25/2020] [Indexed: 10/24/2022]
Abstract
Berberine is an essential phytochemical for the treatment of various diseases; however, when used to treat osteoporosis, it has minor effect as compared with that of the currently available drugs. This study aimed to find a new compound that would have a better anti-osteoporotic effect than that of berberine. Based on structure and activity relationship study, we identified compound 2c, a berberine derivative, to be the most potent compound to affect osteoblast differentiation. Compound 2c was more effective than berberine and exhibited no toxicity within its effective concentration. Compound 2c increased, in a dose-dependent manner, ALP activity during osteoblast differentiation and enhanced the mRNA expression of osteogenic factors including ALP, Runx2, and Osterix. Furthermore, compound 2c increased the transcriptional activity induced by BMP4 on the ALP and BSP promoter. Taken together, compound 2c shows promise as a therapeutic agent for osteoporosis by promoting osteoblast differentiation.
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Affiliation(s)
- Seo Woo Nam
- Department of Carbon Convergence Engineering, College of Engineering, Wonkwang University, Iksan, Republic of Korea
| | - Sung Hyun Kim
- Department of Carbon Convergence Engineering, College of Engineering, Wonkwang University, Iksan, Republic of Korea
| | - Younho Han
- Department of Oral Pharmacology, College of Dentistry, Wonkwang University, Iksan, Republic of Korea.
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11
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Cai C, Wang J, Huo N, Wen L, Xue P, Huang Y. Msx2 plays an important role in BMP6-induced osteogenic differentiation of two mesenchymal cell lines: C3H10T1/2 and C2C12. Regen Ther 2020; 14:245-251. [PMID: 32455154 PMCID: PMC7232041 DOI: 10.1016/j.reth.2020.03.015] [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: 11/03/2019] [Revised: 02/27/2020] [Accepted: 03/11/2020] [Indexed: 12/21/2022] Open
Abstract
Bone morphogenetic proteins (BMPs), have been shown to enhance the osteogenic differentiation of mesenchymal cells (MCs) and to promote bone formation. BMP6 is known to play an important role in the process of MCs towards osteogenic differentiation by virtue of their osteoinductive and cell type specific proliferative activity. However, the molecular mechanism relate to BMP6 osteoinductive activity is still unclear and continues to warrant further investigation. Msx2 is a member of the homeobox gene family of transcription factors and promotes calcification. Hence, we wondered if it might also play a role in BMP6-induced osteogenesis. In this study, two mouse mesenchymal cell lines were treated with BMP6, adenovirus-Msx2 (Ad-Msx2) or adenovirus-siMsx2 (Ad-siMsx2). Based on the results of mRNA and protein expression, it was indicated that BMP6 could enhance the expression of Msx2 and activate the phosphorylation of Smad 1/5/8, p38 and ERK1/2. Being transfected by Ad-Msx2, the BMP6-induced activation of phosphorylation was significantly promoted. On the contrary, two cell lines transfected by Ad-siMsx2 presented an inhibited expression of three phosphorylated proteins even after being induced by BMP6. The evaluation of ALP, OPN, OC and calcium deposits revealed the osteogenic results those were corresponding to the results of mRNA and protein. Taken together, these findings can be a novel viewpoint for the understanding of the mechanisms of BMP6-induced osteogenesis and provide therapeutic targets of bone defect.
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Affiliation(s)
- Chuan Cai
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jing Wang
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Na Huo
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Li Wen
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Peng Xue
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ye Huang
- Department of Dermatology, Air Force General Hospital of Chinese PLA, Beijing, 100412, China
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Li H, Yue B. Effects of various antimicrobial agents on multi-directional differentiation potential of bone marrow-derived mesenchymal stem cells. World J Stem Cells 2019; 11:322-336. [PMID: 31293715 PMCID: PMC6600849 DOI: 10.4252/wjsc.v11.i6.322] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/30/2019] [Accepted: 05/23/2019] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial drugs of several classes play an important role in the treatment of bone and joint infections. In addition to fighting pathogenic microorganisms, the effects of drugs on local tissues and cells are also related to the course and prognosis of bone and joint infections. The multi-directional differentiation potential of bone marrow-derived mesenchymal stem cells (MSCs) is essential for tissue repair after local injury, which is directly related to the recovery of bone, cartilage, and medullary adipose tissue. Our previous studies and the literature indicate that certain antimicrobial agents can regulate the differentiation potential of bone marrow-derived MSCs. Here, in order to systematically analyze the effects of various antimicrobial drugs on local tissue regeneration, we comprehensively review the studies on the effects of these drugs on MSC differentiation, and classify them according to the three differentiation directions (osteogenesis, chondrogenesis, and adipogenesis). Our review demonstrates the specific effects of different antimicrobial agents on bone marrow-derived MSCs and the range of concentrations at which they work, and provides a basis for drug selection at different sites of infection.
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Affiliation(s)
- Hui Li
- Department of Bone and Joint Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China
| | - Bing Yue
- Department of Bone and Joint Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China.
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13
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Asperosaponin VI stimulates osteogenic differentiation of rat adipose-derived stem cells. Regen Ther 2019; 11:17-24. [PMID: 31193169 PMCID: PMC6518317 DOI: 10.1016/j.reth.2019.03.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 02/14/2019] [Accepted: 03/20/2019] [Indexed: 12/20/2022] Open
Abstract
In the aging population, the decrease on osteogenic differentiation resulted into a significant reduction in bone formation. Bone tissue engineering has been a successful technique for treatment of bone defects. It is reported that adipose-derived stem cells (ADSCs) have pluripotency to differentiate into adipocytes and osteoblasts. However little is revealed about the effect of the herbal medicine Asperosaponin VI (ASA VI) on ADSCs differentiation. In our study, we isolated and identified ADSCs from rats. We examined the effect of different concentrations of ASA VI in ADSCs on alkaline phosphatase (ALP) activity, calcium deposition, the expression of bone-related proteins and the release of inflammatory cytokines. Flowcytometry assay showed ADSCs were highly expressed CD44 and CD105, but hardly expressed CD34 and CD45, suggesting ADSCs were successfully isolated for follow-up experiments. ALP activity examination and Alizarin red (AR) stain showed that ASA VI enhanced the ALP activity and promoted matrix mineralization in ADSCs. In addition, bone-related protein OCN and RUNX2, and Smad2/3 phosphorylation was upregulated after ASA VI treatment in ADSCs. ELISA results showed that ASA VI blocked the release of TNF-α, IL-6 and IL-1β in ADSCs. Considering this results, we concluded that ASA VI promotes osteogenic differentiation of ADSCs through inducing the expression of bone-related proteins. These findings enriched the function of ASA VI as a regenerative medicine and shed new light for the treatment of bone defects in clinical research.
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Liu Y, Li Y, Liu X, Wang CS. Investigation of transcriptome mechanism associated with osteoporosis explored by microarray analysis. Exp Ther Med 2019; 17:3459-3464. [PMID: 31007729 PMCID: PMC6468394 DOI: 10.3892/etm.2019.7349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 02/13/2019] [Indexed: 12/16/2022] Open
Abstract
Microarray data of osteoporosis (OP) were analyzed based on prediction of transcription factors (TFs) or their targets as well as influences of TFs or TF network to uncover key TFs in OP. The microarray data E-GEOD-35956 was downloaded from the GPL570 platform. Differentially expressed genes (DEGs) with logarithm of fold change (|logFC|) >2 and P-value <0.05 were identified between OP samples and normal controls. TF genes were screened from the DEGs based on ITFP, Marbach 2016, TRRUST databases. TF targets were enriched from DEGs using Fisher's exact test. TF targets were selected based on their impact factors. TF targets were chosen from TF network analysis. Finally, key TFs were identified by based on TFs coverage. A total of 300 DEGs were obtained. There were no TF genes screened from the DEGs. In total 165, 87 and 178 TF targets were screened from DEGs respectively based on Fisher's exact test, influence of TFs or TF network analysis. According to the optimal TF set with TFs having maximum coverage of DEGs, 178 TF targets was the most. Thus, the optimal sets of TFs were FOXO1, KLF16, RXRA, RARA, HNF4A, CEBPB, ESR1, SOX8, ZNF219, and SP1. Altogether, these results suggested identified crucial TFs in OP might play a significant role in OP development, showing these key TFs probably would aid in unveiling the underlying molecular mechanisms and may be therapeutic targets, diagnostic or prognostic biomarkers for OP.
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Affiliation(s)
- Yan Liu
- Department of Spine Surgery, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Ying Li
- Beijing Splinger Medical Research Institute, Beijing 100054, P.R. China
| | - Xing Liu
- Beijing Splinger Medical Research Institute, Beijing 100054, P.R. China
| | - Chun-Sheng Wang
- Department of Orthopedics, Affiliated YanTaiYeDa Hospital of Binzhou Medical College, Yantai, Shandong 264006, P.R. China
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15
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Cordycepin Accelerates Osteoblast Mineralization and Attenuates Osteoclast Differentiation In Vitro. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:5892957. [PMID: 30410556 PMCID: PMC6206560 DOI: 10.1155/2018/5892957] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/05/2018] [Accepted: 10/10/2018] [Indexed: 11/17/2022]
Abstract
Bone homeostasis destruction is triggered by the uncontrolled activity of osteoblasts and osteoclasts. Targeting both the regulation of bone formation and resorption is a promising strategy for treating bone disorders. Cordycepin is a major component of Chinese caterpillar fungus Cordyceps militaris. It exerts a variety of biological actions in various cells and animal models. However, its function on bone metabolism remains unclear. In the present study, we discovered a dual-action function of cordycepin in murine MC3T3-E1 and RAW264.7 cells. MC3T3-E1 cells were cultured in an osteogenic medium in the presence of 1 μM cordycepin for up two weeks. Cordycepin was used for effects of osteoblast and osteoclast differentiation. Cell viability was measured using the MTT assay. Osteoblast differentiation was confirmed by alizarin red staining, ALP activity, western blot, and real-time PCR. Osteoclast differentiation and autophagic activity were confirmed via TRAP staining, pit formation assay, confocal microscopy, western blot, and real-time PCR. Cordycepin promoted osteoblast differentiation, matrix mineralization, and induction of osteoblast markers via BMP2/Runx2/Osterix pathway. On the other hand, RAW264.7 cells were differentiated into osteoclast by RANKL treatment for 72 h. 1 μM cordycepin significantly inhibited RANKL-induced osteoclast formation and resorption activity through disturbing the actin ring-formatted sealing zone and activating cathepsin K and MMP9. These findings indicate that cordycepin might be an innovative dual-action therapeutic agent for bone disease caused by an imbalance of osteoblasts and osteoclasts.
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Eyvazi M, Farahzadi R, Karimian Fathi N, Karimipour M, Soleimani Rad J, Montaseri A. Mummy Material Can Promote Differentiation of Adipose Derived Stem Cells into Osteoblast through Enhancement of Bone Specific Transcription Factors Expression. Adv Pharm Bull 2018; 8:457-464. [PMID: 30276142 PMCID: PMC6156472 DOI: 10.15171/apb.2018.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/17/2018] [Accepted: 07/19/2018] [Indexed: 12/20/2022] Open
Abstract
Purpose: Application of Mummy material for treatment of different diseases such as bone fracture, cutaneous wounds and joint inflammation has been advised since hundred years ago in Persian traditional medicine. Due to the claims of indigenous people and advice of traditional medicine for application of this material in healing of bone fractures, this study has been designed to evaluate whether Mummy material can promote the differentiation of mesenchymal stem cells into osteoblasts and enhance the expression of bone specific genes and proteins. Methods: Adipose derived stem cells (ASCs) at fourth cell passage were divided into control, osteogenesis group (received osteogenic medium), Mummy group (received Mummy at concentration of 500 µg/ml). ASCs in the fourth group were treated with both osteogenic medium and Mummy (500µg/ml). Cells in all groups were harvested on days 7, 14 and 21 days for further evaluation through Real time RT-PCR, Von kossa staining, Immunocytochemistry and flowcytometery. Results: Treatment of ASCs with Mummy at concentration of 500µg/ml promotes the expression level of Osteocalcin, RUNX-2 and β1-integrin genes in different time points but that of the Osterix did not changed. Furthermore the expression of Osteocalcin protein enhanced significantly in ASCs treated with Mummy detected by Immunocytochemistry and flowcytometery technique compared to the control groups. The results of this study also showed that treatment of ASCs with Mummy resulted in formation of mineral deposits which was evaluated by Von Kossa staining method. Conclusion: Obtained data from this study reveals that Mummy is a potent enhancer for differentiation of ASCs into osteoblasts in in vitro system, probably through increasing the level of bone specific genes and proteins.
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Affiliation(s)
- Maryam Eyvazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Raheleh Farahzadi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nahid Karimian Fathi
- Biochemistry Department, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Karimipour
- Anatomical Sciences Department, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jafar Soleimani Rad
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Azadeh Montaseri
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Arumugam B, Balagangadharan K, Selvamurugan N. Syringic acid, a phenolic acid, promotes osteoblast differentiation by stimulation of Runx2 expression and targeting of Smad7 by miR-21 in mouse mesenchymal stem cells. J Cell Commun Signal 2018; 12:561-573. [PMID: 29350343 PMCID: PMC6039342 DOI: 10.1007/s12079-018-0449-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 01/10/2018] [Indexed: 01/10/2023] Open
Abstract
Syringic acid (SA), a phenolic acid, has been used in Chinese and Indian medicine for treating diabetes but its role in osteogenesis has not yet been investigated. In the present study, at the molecular and cellular levels, we evaluated the effects of SA on osteoblast differentiation. At the cellular level, there was increased alkaline phosphatase (ALP) activity and calcium deposition by SA treatment in mouse mesenchymal stem cells (mMSCs). At the molecular level, SA treatment of these cells stimulated expression of Runx2, a bone transcription factor, and of osteoblast differentiation marker genes such as ALP, type I collagen, and osteocalcin. It is known that Smad7 is an antagonist of TGF-β/Smad signaling and is a negative regulator of Runx2. microRNAs (miRNAs) play a key role in the regulation of osteogenesis genes at the post-transcriptional level and studies have reported that Smad7 is one of the target genes of miR-21. We found that there was down regulation of Smad7 and up regulation of miR-21 in SA-treated mMSCs. We further identified that the 3'-untranslated region (UTR) of Smad7 was directly targeted by miR-21 in these cells. Thus, our results suggested that SA promotes osteoblast differentiation via increased expression of Runx2 by miR-21-mediated down regulation of Smad7. Hence, SA may have potential in orthopedic applications.
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Affiliation(s)
- B Arumugam
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India
| | - K Balagangadharan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India.
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