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Chen Z, Zhao Q, Chen L, Gao S, Meng L, Liu Y, Wang Y, Li T, Xue J. MAGP2 promotes osteogenic differentiation during fracture healing through its crosstalk with the β-catenin pathway. J Cell Physiol 2024; 239:e31183. [PMID: 38348695 DOI: 10.1002/jcp.31183] [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: 10/12/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 04/12/2024]
Abstract
Osteogenic differentiation is important for fracture healing. Microfibrial-associated glycoprotein 2 (MAGP2) is found to function as a proangiogenic regulator in bone formation; however, its role in osteogenic differentiation during bone repair is not clear. Here, a mouse model of critical-sized femur fracture was constructed, and the adenovirus expressing MAGP2 was delivered into the fracture site. Mice with MAGP2 overexpression exhibited increased bone mineral density and bone volume fraction (BV/TV) at Day 14 postfracture. Within 7 days postfracture, overexpression of MAGP2 increased collagen I and II expression at the fracture callus, with increasing chondrogenesis. MAGP2 inhibited collagen II level but elevated collagen I by 14 days following fracture, accompanied by increased endochondral bone formation. In mouse osteoblast precursor MC3T3-E1 cells, MAGP2 treatment elevated the expression of osteoblastic factors (osterix, BGLAP and collagen I) and enhanced ALP activity and mineralization through activating β-catenin signaling after osteogenic induction. Besides, MAGP2 could interact with lipoprotein receptor-related protein 5 (LRP5) and upregulated its expression. Promotion of osteogenic differentiation and β-catenin activation mediated by MAGP2 was partially reversed by LRP5 knockdown. Interestingly, β-catenin/transcription factor 4 (TCF4) increased MAGP2 expression probably by binding to MAGP2 promoter. These findings suggest that MAGP2 may interact with β-catenin/TCF4 to enhance β-catenin/TCF4's function and activate LRP5-activated β-catenin signaling pathway, thus promoting osteogenic differentiation for fracture repair. mRNA sequencing identified the potential targets of MAGP2, providing novel insights into MAGP2 function and the directions for future research.
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Affiliation(s)
- Zhiguang Chen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Qi Zhao
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lianghong Chen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Songlan Gao
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lingshuai Meng
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yingjie Liu
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yu Wang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Tiegang Li
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jinqi Xue
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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Zhao Y, Mu Y, Zou Y, He Z, Lu T, Wang X, Li W, Gao B. Conjoint research of WGCNA, single-cell transcriptome and structural biology reveals the potential targets of IDD development and treatment and JAK3 involvement. Aging (Albany NY) 2023; 15:14764-14790. [PMID: 38095643 PMCID: PMC10781489 DOI: 10.18632/aging.205289] [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: 06/26/2023] [Accepted: 11/02/2023] [Indexed: 12/19/2023]
Abstract
OBJECTIVES This study conducted integrated analysis of bulk RNA sequencing, single-cell RNA sequencing and Weighted Gene Co-expression Network Analysis (WGCNA), to comprehensively decode the most essential genes of intervertebral disc degeneration (IDD); then mainly focused on the JAK3 macromolecule to identify natural compounds to provide more candidate drug options in alleviating IDD. METHODS In the first part, we performed single-cell transcriptome analysis and WGCNA workflow to delineate the most pivotal genes of IDD. Then series of structural biology approaches and high-throughput virtual screening techniques were performed to discover potential compounds targeting JAK-STAT signaling pathway, such as Libdock, ADMET, precise molecular docking algorithm and in-vivo drug stability assessment. RESULTS Totally 4 hub genes were determined in the development of IDD, namely VEGFA, MMP3, TNFSF11, and TIMP3, respectively. Then, 3 novel natural materials, ZINC000014952116, ZINC000003938642 and ZINC000072131515, were determined as potential compounds, with less toxicities and moderate ADME characteristics. In-vivo drug stability assessment suggested that these drugs could interact with JAK3, and their ligand-JAK3 complexes maintained the homeostasis in-vivo, which acted as regulatory role to JAK3 protein. Among them, ZINC000072131515, also known as Menaquinone, demonstrated significant protective roles to alleviate the progression of IDD in vitro, which proved the nutritional therapy in alleviating IDD. CONCLUSIONS This study reported the essential genes in the development of IDD, and also the roles of Menaquinone to ameliorate IDD through inhibiting JAK3 protein. This study also provided more options and resources on JAK3 targeted screening, which may further expand the drug resources in the pharmaceutical market.
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Affiliation(s)
- Yingjing Zhao
- Department of Critical Care Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, Jiangsu Province, China
- Department of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yuxue Mu
- Aerospace Clinical Medical Center, School of Aerospace Medicine, Air Force Medical University, Xi’an, China
| | - Yujia Zou
- Department of Cardiology, Xinhua Hospital affiliated to School of Medicine, Shanghai Jiaotong University, China
| | - Zhijian He
- Department of Sports Teaching and Research, Lanzhou University, Lanzhou, China
| | - Tianxing Lu
- Zonglian College, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Xinhui Wang
- Department of Oncology, The Fifth Affiliated Hospital of Xinxiang Medical College, Xin Xiang 453100, China
| | - Weihang Li
- Department of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Bo Gao
- Department of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
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Hou X, Tian F. STAT3-mediated osteogenesis and osteoclastogenesis in osteoporosis. Cell Commun Signal 2022; 20:112. [PMID: 35879773 PMCID: PMC9310501 DOI: 10.1186/s12964-022-00924-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/23/2022] [Indexed: 11/10/2022] Open
Abstract
Osteoporosis is a common skeletal disease with marked bone loss, deterioration of the bone microstructure and bone fragility. An abnormal bone remodelling cycle with relatively increased bone resorption is the crucial pathophysiological mechanism. Bone remodelling is predominantly controlled by osteoblasts and osteoclasts, which are specialized cell types that are regulated by a variety of osteogenic and osteoclastic factors, including cytokines expressed within the bone microenvironment under local or systemic inflammatory conditions. Signal transducer and activator of transcription 3 (STAT3) plays a prominent role in the communication between cytokines and kinases by binding downstream gene promotors and is involved in a wide range of biological or pathological processes. Emerging evidence suggests that STAT3 and its network participate in bone remodelling and the development of osteoporosis, and this factor may be a potent target for osteoporosis treatment. This review focuses on the role and molecular mechanism of the STAT3 signalling pathway in osteogenesis, osteoclastogenesis and osteoporosis, particularly the bone-related cytokines that regulate the osteoblastic differentiation of bone marrow stromal cells and the osteoclastic differentiation of bone marrow macrophages by initiating STAT3 signalling. This review also examines the cellular interactions among immune cells, haematopoietic cells and osteoblastic/osteoclastic cells. Video abstract
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Affiliation(s)
- Xiaoli Hou
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China.
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Cheng F, Li H, Liu J, Yan F, Chen Y, Hu H. EZH2 regulates the balance between osteoclast and osteoblast differentiation to inhibit arthritis-induced bone destruction. Genes Immun 2022; 23:141-148. [PMID: 35581496 DOI: 10.1038/s41435-022-00174-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 11/09/2022]
Abstract
Enhancer of zeste homolog 2 (EZH2) has been noted to contribute to the pathogenesis of autoimmune diseases. This study sought to investigate the mechanism of EZH2 in osteoclast (OCL) and osteoblast (OBL) differentiation (OCLD/OBLD) and bone destruction in RA. The animal model of collagen-induced arthritis (CIA) was established, followed by arthritis index (AI) scoring and histological staining, and measurements of inflammatory cytokines levels. The number of OCLs was detected via Tartrate-resistant acid phosphatase (TRAP) staining, and levels of OBL markers were determined by Western blot analysis. Trimethylated histone H3 at lysine 27 (H3K27me3) expression and its enrichment in the Ndrg2 promoter were detected. Collaborative experiments were performed with GSK-J1 or sh-Ndrg2 in CIA mice with EZH2 knockdown. EZH2 was upregulated while Ndrg2 was downregulated in knee joint tissues of CIA mice. Silencing EZH2 reduced AI scores, pathological injury of the knee joint, levels of inflammatory cytokines, and TRAP-positive cells, and increased protein levels of RUNX2 and BMP2. EZH2 promoted H3K27me3 level in the Ndrg2 promoter to inhibit Ndrg2 transcription. H3K27me3 upregulation or Ndrg2 downregulation reversed the role of silencing EZH2 in bone destruction. Overall, EZH2 repressed OBLD and promoted OCLD to aggravate bone destruction in CIA mice through H3K27me3/Ndrg2.
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Affiliation(s)
- Fang Cheng
- Department of Anesthesiology and Pain Clinic, The Affiliated Lianyungang Oriental Hospital of Kangda College of Nanjing Medical University, Lianyungang, 222042, Jiangsu, China
| | - Huimin Li
- Department of Traditional Chinese and Western Medicine, Lianyungang Oriental Hospital, Lianyungang, 222042, Jiangsu, China
| | - Jing Liu
- Department of Anesthesiology and Pain Clinic, The Affiliated Lianyungang Oriental Hospital of Kangda College of Nanjing Medical University, Lianyungang, 222042, Jiangsu, China
| | - Fengfeng Yan
- Department of Anesthesiology and Pain Clinic, The Affiliated Lianyungang Oriental Hospital of Kangda College of Nanjing Medical University, Lianyungang, 222042, Jiangsu, China
| | - Yu Chen
- Department of Anesthesiology and Pain Clinic, The Affiliated Lianyungang Oriental Hospital of Kangda College of Nanjing Medical University, Lianyungang, 222042, Jiangsu, China
| | - Haiyan Hu
- Department of Traditional Chinese and Western Medicine, Lianyungang Oriental Hospital, Lianyungang, 222042, Jiangsu, China.
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Shi X, Cen Y, Shan L, Tian L, Zhu E, Yuan H, Li X, Liu Y, Wang B. N-myc downstream regulated gene 1 suppresses osteoblast differentiation through inactivating Wnt/β-catenin signaling. Stem Cell Res Ther 2022; 13:53. [PMID: 35120575 PMCID: PMC8817551 DOI: 10.1186/s13287-022-02714-5] [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] [Accepted: 12/24/2021] [Indexed: 11/22/2022] Open
Abstract
Background N-myc downstream regulated gene 1 (NDRG1) plays a role in a variety of biological processes including differentiation of osteoclasts. However, it is not known if and how NDRG1 regulates osteogenic differentiation of marrow stromal progenitor cells. Methods Gene expression profiling analysis was performed to study the expression level of Ndrg1 during osteogenic and adipogenic differentiation. Gain-of-function and/or loss-of function experiments were carried out to study the role of NDRG1 in the proliferation and differentiation of marrow stromal progenitor cells and the mechanism underlying the function was investigated. Finally, in vivo transfection of Ndrg1 siRNA was done and its effect on osteogenic and adipogenic differentiation in mice was explored. Results Gene expression profiling analysis revealed that NDRG1 level was regulated during osteogenic and adipogenic differentiation of progenitor cells. The functional experiments demonstrated that NDRG1 negatively regulated the cell growth, and reciprocally modulated the osteogenic and adipogenic commitment of marrow stromal progenitor cells, driving the cells to differentiate toward adipocytes at the expense of osteoblast differentiation. Moreover, NDRG1 interacted with low-density lipoprotein receptor-related protein 6 (LRP6) in the stromal progenitor cells and inactivated the canonical Wnt/β-catenin signaling cascade. Furthermore, the impaired differentiation of progenitor cells induced by Ndrg1 siRNA could be attenuated when β-catenin was simultaneously silenced. Finally, in vivo transfection of Ndrg1 siRNA to the marrow of mice prevented the inactivation of canonical Wnt signaling in the BMSCs of ovariectomized mice, and ameliorated the reduction of osteoblasts on the trabeculae and increase of fat accumulation in the marrow observed in the ovariectomized mice. Conclusion This study has provided evidences that NDRG1 plays a role in reciprocally modulating osteogenic and adipogenic commitment of marrow stromal progenitor cells through inactivating canonical Wnt signaling. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02714-5.
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Affiliation(s)
- Xiaoli Shi
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China.,College of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Yunzhu Cen
- Stomatological Hospital, Tianjin Medical University, Tianjin, 300070, China
| | - Liying Shan
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China
| | - Lijie Tian
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China
| | - Endong Zhu
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China
| | - Hairui Yuan
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China
| | - Xiaoxia Li
- College of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China.
| | - Ying Liu
- Stomatological Hospital, Tianjin Medical University, Tianjin, 300070, China.
| | - Baoli Wang
- NHC Key Lab of Hormones and Development and Tianjin Key Lab of Metabolic Diseases, Chu Hsien-I Memorial Hospital and Institute of Endocrinology, Tianjin Medical University, Tianjin, 300134, China.
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Chen S, Wang J, Cai C, Xie X. Erratum: N-myc Downstream-Regulated Gene 2 (NDRG2) Promotes Bone Morphogenetic Protein 2 (BMP2)-Induced Osteoblastic Differentiation and Calcification by Janus Kinase 3 (JAK3)/Signal Transducer and Activator of Transcription 3 (STAT3) Signaling Pathway. Med Sci Monit 2021; 27:e935672. [PMID: 34853290 PMCID: PMC8650384 DOI: 10.12659/msm.935672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- SunYu Chen
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China (mainland)
| | - JianKun Wang
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China (mainland)
| | - Chao Cai
- Department of Orthopedics, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, Fujian, China (mainland)
| | - Xiaoyan Xie
- Department of Internal Medicine, Clinical Medical College of Jining Medical University, Jining, Shandong, China (mainland)
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