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Yang G, Ye J, Wang J, Liu H, Long Y, Jiang J, Miao X, Deng J, Wu T, Li T, Cheng X, Wang X. "Three birds, one stone" strategy of NIR-responsive CO/H 2S dual-gas Nanogenerator for efficient treatment of osteoporosis. Mater Today Bio 2024; 28:101179. [PMID: 39221209 PMCID: PMC11364908 DOI: 10.1016/j.mtbio.2024.101179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/09/2024] [Accepted: 07/27/2024] [Indexed: 09/04/2024] Open
Abstract
Osteoporosis (OP), the most prevalent bone degenerative disease, has become a significant public health challenge globally. Current therapies primarily target inhibiting osteoclast activity or stimulating osteoblast activation, but their effectiveness remains suboptimal. This paper introduced a "three birds, one stone" therapeutic approach for osteoporosis, employing upconversion nanoparticles (UCNPs) to create a dual-gas storage nanoplatform (UZPA-CP) targeting bone tissues, capable of concurrently generating carbon monoxide (CO) and hydrogen sulfide (H2S). Through the precise modulation of 808 nm near-infrared (NIR) light, the platform could effectively control the release of CO and H2S in the OP microenvironment, and realize the effective combination of promoting osteogenesis, inhibiting osteoclast activity, and improving the immune microenvironment to achieve the therapeutic effect of OP. High-throughput sequencing results further confirmed the remarkable effectiveness of the nanoplatform in inhibiting apoptosis, modulating inflammatory response, inhibiting osteoclast differentiation and regulating multiple immune signaling pathways. The gas storage nanoplatform not only optimized the OP microenvironment with the assistance of NIR, but also restored the balance between osteoblasts and osteoclasts. This comprehensive therapeutic strategy focused on improving the bone microenvironment, promoting osteogenesis and inhibiting osteoclast activity provides an ideal new solution for the treatment of metabolic bone diseases.
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Affiliation(s)
- Guoyu Yang
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Jing Ye
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Jingcheng Wang
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Huijie Liu
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Yanli Long
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Junkai Jiang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Xinxin Miao
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Jianjian Deng
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Tianlong Wu
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Tao Li
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Xigao Cheng
- Department of Orthopedics, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330088, PR China
| | - Xiaolei Wang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330088, PR China
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Zheng Z, Fan Y, Zhang J, Wang J, Li Z. Cedrol alleviates postmenopausal osteoporosis in rats through inhibiting the activation of the NF-κB signaling pathway. In Vitro Cell Dev Biol Anim 2024:10.1007/s11626-024-00921-3. [PMID: 38814422 DOI: 10.1007/s11626-024-00921-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/22/2024] [Indexed: 05/31/2024]
Abstract
Pharmacological studies have shown that Cedrol (CE) exhibits extensive biological activities, including anti-inflammatory and analgesic. Moreover, it can inhibit the NF-κB pathway and the expression of various associated proteins. This study aimed to investigate the role of CE in postmenopausal osteoporosis. The results showed that intragastric administration of CE (10 and 20 mg/kg) significantly improved the bone microstructure damage and increased bone mineral density, trabecular bone volume, and bone trabecular thickness in ovariectomized (OVX) rats (p < 0.05). CE treatment additionally made a well-organized arrangement of bone trabeculae and improved its thickness and density. Compared with the OVX group, the levels of tartrate-resistant acid phosphatase from 5b and C-terminal telopeptide of type I collagen were significantly reduced by 42.75% and 49.27% in the OVX + CE rats (p < 0.05). TRAP staining visually showed that the number of osteoclasts in the femur tissue of CE-treated rats was less than that of the OVX group. The expressions of nuclear factor of activated T-cells, cytoplasmic 1, acid phosphatase 5, and cathepsin K in OVX + CE rats were significantly decreased by 51.61%, 46.07%, and 50.34% compared to the OVX group (p < 0.01). In addition, CE intervention effectively reduced the phosphorylation levels of P65 and IκBα and inhibited the NF-κB signaling pathway. Meanwhile, CE diminished the number of multinucleated osteoclasts induced by receptor activator for nuclear factor-κB ligand and hindered cell fusion as well as nuclear translocation of osteoclast precursor cells P65. In conclusion, CE inhibits osteoclastogenesis by suppressing the activation of the NF-κB signaling pathway, thereby alleviating postmenopausal osteoporosis.
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Affiliation(s)
- Zhen Zheng
- Department of Medical Technology, Liaoning Vocational College of Medicine, Shenyang, China.
| | - Ying Fan
- Department of Medical Technology, Liaoning Vocational College of Medicine, Shenyang, China
| | - Jingyun Zhang
- Department of Medical Technology, Liaoning Vocational College of Medicine, Shenyang, China
| | - Jian Wang
- Department of Medical Technology, Liaoning Vocational College of Medicine, Shenyang, China
| | - Zhenyu Li
- Department of Nursing, Liaoning Vocational College of Medicine, Shenyang, China
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3
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Jiao W, Li W, Li T, Feng T, Wu C, Zhao D. Induced pluripotent stem cell-derived extracellular vesicles overexpressing SFPQ protect retinal Müller cells against hypoxia-induced injury. Cell Biol Toxicol 2023; 39:2647-2663. [PMID: 36790503 DOI: 10.1007/s10565-023-09793-x] [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: 05/20/2022] [Accepted: 01/17/2023] [Indexed: 02/16/2023]
Abstract
Splicing factor proline/glutamine-rich (SFPQ) is expressed in induced pluripotent stem cells (iPSCs), which are reported to orchestrate hypoxic injury responses and release extracellular vesicles (EVs). Therefore, this study sought to explore the role of iPSC-derived EVs carrying SFPQ in hypoxia-induced injury to retinal Müller cells. We induced oxygen-glucose deprivation/reoxygenation (OGD/R) in Müller cells. SFPQ was overexpressed or knocked down in iPSCs, from which EVs were extracted. Müller cells were co-cultured with EVs, and the results indicated that SFPQ protein was transferred into retinal Müller cells by iPSC-derived EVs. We identified an interaction of SFPQ with HDAC1 in retinal Müller cells. Specifically, SFPQ recruited HDAC1 to downregulate HIF-2α by regulating its acetylation. The in vitro studies suggested that iPSC-derived EVs, SFPQ or HDAC1 overexpression, or HIF-2α silencing diminished cell injury and apoptosis but elevated proliferation in retinal Müller cells. The in vivo studies indicated that iPSC-derived EVs containing SFPQ curtailed apoptosis of retinal Müller cells, thus alleviating retinal ischemia/reperfusion (I/R) injury of rat model. Taken together, iPSC-derived EVs containing SFPQ upregulated HDAC1 to attenuate OGD/R-induced Müller cell injury via downregulation of HIF-2α.
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Affiliation(s)
- Wenjun Jiao
- Department of Geriatric Endocrinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Weifang Li
- Department of Geriatric Endocrinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Tianyi Li
- Department of Geriatric Endocrinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Tao Feng
- Department of Geriatric Endocrinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Cong Wu
- Department of Geriatric Endocrinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Di Zhao
- Department of Endocrinology, the First Affiliated Hospital of Zhengzhou University, No. 1, Jianshe East Road, Zhengzhou, 450052, People's Republic of China.
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4
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Zhang W, Yu L, Wang F, Chen M, Li H. Rosavin regulates bone homeostasis through HDAC1-induced epigenetic regulation of EEF2. Chem Biol Interact 2023; 384:110696. [PMID: 37689331 DOI: 10.1016/j.cbi.2023.110696] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/15/2023] [Accepted: 09/06/2023] [Indexed: 09/11/2023]
Abstract
Bioactive constituents from Rhodiola rosea L. show a myriad of pharmacological effects on diverse diseases. Rosavin has been linked to reduced osteoclastogenesis, while its role in regulating osteogenesis remains unclear. The present study investigated whether and how Rosavin alleviates ovariectomy (OVX)-induced osteoporosis (OP) in mice. Rosavin had a therapeutic effect on OP in ovariectomized mice and inhibited osteoclast viability and promoted osteoblast viability. Integrated transcriptome sequencing, GO enrichment analysis, and PPI network construction revealed that the HDAC1/EEF2 axis was an important axis of gene action for Rosavin treatment. Mechanistically, HDAC1 suppressed EEF2 expression through histone deacetylation. Rescue experiments exhibited that HDAC1 promoted osteoclast viability, while EEF2 reversed the action of HDAC1 to restore bone homeostasis. In mice with OP, HDAC1 mitigated the effects of Rosavin, resulting in enhanced bone resorption and diminished bone formation, while EEF2 contributed to reduced bone resorption and elevated bone formation in mice. NF-κB and MAPK pathways were inhibited by Rosavin, enhanced by HDAC1, and blocked again by EEF2. To summarize, our results proved that Rosavin maintained bone homeostasis in OP via regulation of histone acetylation of EEF2, thus playing a key role as a therapeutic candidate for OP treatment.
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Affiliation(s)
- Wenhao Zhang
- Department of Oral and Craniofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Leilei Yu
- Department of Oral and Craniofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Fang Wang
- Department of Oral and Craniofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Minjie Chen
- Department of Oral and Craniofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China.
| | - Hui Li
- Department of Oral and Craniofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China.
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5
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Zhang D, Du J, Yu M, Suo L. Urine-derived stem cells-extracellular vesicles ameliorate diabetic osteoporosis through HDAC4/HIF-1α/VEGFA axis by delivering microRNA-26a-5p. Cell Biol Toxicol 2023; 39:2243-2257. [PMID: 35554780 DOI: 10.1007/s10565-022-09713-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 04/07/2022] [Indexed: 11/09/2022]
Abstract
Critical roles of stem cell-extracellular vesicles (EVs) in the management of osteoporosis have been documented. Here, this study was designed to enlarge the research of the specific effects and underlying mechanism of urine-derived stem cells-EVs (USCs-EVs) on osteoporosis in diabetes rats. Firstly, miR-26a-5p and histone deacetylase 4 (HDAC4) expression in USCs of rats after diabetic osteoporosis (DOP) modeling induced by streptozotocin injection was determined, followed by study of their interaction. Then, USCs-EVs were co-cultured with osteogenic precursor cells, the effects of miRNA-26a-5p (miR-26a-5p) on osteoblasts, osteoclasts, bone mineralization deposition rate were evaluated. Meanwhile, the effect of USCs-EVs carrying miR-26a-5p on DOP rats was assessed. Elevated miR-26a-5p was seen in USCs-EVs which limited HDAC4 expression. Moreover, USCs-EVs delivered miR-26a-5p to osteogenic precursor cells, thereby promoting their differentiation, enhancing the activity of osteoblasts, and inhibiting the activity of osteoclasts, thereby preventing DOP through the activation of hypoxia inducible factor 1 subunit alpha (HIF-1α)/vascular endothelial growth factor A (VEGFA) pathway by repressing HDAC4. In a word, USCs-EVs-miR-26a-5p is a promising therapy for DOP by activating HIF-1α/VEGFA pathway through HDAC4 inhibition. 1. USCs-EVs-miR-26a-5p targeted HDAC4 and limited HDAC4 expression. 2. miR-26a-5p was delivered by USCs-EVs into osteoblast precursor cells. 3. USCs-EVs-miR-26a-5p promoted the differentiation of osteoblast precursor cells into osteoblasts. 4. miR-26a-5p delivered by USCs-EVs could inhibit HDAC4. 5. USCs-EVs-miR-26a-5p could prevent the pathogenesis of DOP via HIF-1α/VEGFA aix.
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Affiliation(s)
- Dan Zhang
- Department of Endocrinology, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, People's Republic of China
| | - Jian Du
- Department of Endocrinology, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, People's Republic of China
| | - Min Yu
- Department of Cell Biology, Key Laboratory of Cell Biology, Ministry of Public Health, and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, 110122, China
| | - Linna Suo
- Department of Endocrinology, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, People's Republic of China.
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6
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Maisuria R, Norton A, Shao C, Bradley EW, Mansky K. Conditional Loss of MEF2C Expression in Osteoclasts Leads to a Sex-Specific Osteopenic Phenotype. Int J Mol Sci 2023; 24:12686. [PMID: 37628864 PMCID: PMC10454686 DOI: 10.3390/ijms241612686] [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: 04/22/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Myocyte enhancement factor 2C (MEF2C) is a transcription factor studied in the development of skeletal and smooth muscles. Bone resorption studies have exhibited that the reduced expression of MEF2C contributes to osteopetrosis and the dysregulation of pathological bone remodeling. Our current study aims to determine how MEF2C contributes to osteoclast differentiation and to analyze the skeletal phenotype of Mef2c-cKO mice (Cfms-cre; Mef2cfl/fl). qRT-PCR and Western blot demonstrated that Mef2c expression is highest during the early days of osteoclast differentiation. Osteoclast genes, including c-Fos, c-Jun, Dc-stamp, Cathepsin K, and Nfatc1, had a significant reduction in expression, along with a reduction in osteoclast size. Despite reduced CTX activity, female Mef2c cKO mice were osteopenic, with decreased bone formation as determined via a P1NP ELISA, and a reduced number of osteoblasts. There was no difference between male WT and Mef2c-cKO mice. Our results suggest that Mef2c is critical for osteoclastogenesis, and that its dysregulation leads to a sex-specific osteopenic phenotype.
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Affiliation(s)
- Ravi Maisuria
- Department of Developmental and Surgical Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455, USA; (R.M.); (A.N.)
| | - Andrew Norton
- Department of Developmental and Surgical Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455, USA; (R.M.); (A.N.)
| | - Cynthia Shao
- College of Biological Sciences, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Elizabeth W. Bradley
- Department of Orthopedics, School of Medicine and Stem Cell Institute, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Kim Mansky
- Department of Developmental and Surgical Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455, USA; (R.M.); (A.N.)
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7
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Wang J, Qiao Q, Sun Y, Yu W, Wang J, Zhu M, Yang K, Huang X, Bai Y. Osteogenic Differentiation Effect of Human Periodontal Ligament Stem-Cell Initial Cell Density on Autologous Cells and Human Bone Marrow Stromal Cells. Int J Mol Sci 2023; 24:ijms24087133. [PMID: 37108296 PMCID: PMC10138982 DOI: 10.3390/ijms24087133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/02/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Stem cells have differentiation and regulation functions. Here, we discussed the impact of cell culture density on stem cell proliferation, osteoblastogenesis, and regulation. To discuss the effect of the initial culture density of human periodontal ligament stem cells (hPDLSCs) on the osteogenic differentiation of autologous cells, we found that the hPDLSC proliferation rate decreased with an increase in the initial plating density (0.5-8 × 104 cells/cm2) for the 48 h culture cycle. After hPDLSCs induced osteogenic differentiation for 14 days with different initial cell culture densities, the expression of osteoprotegerin (OPG) and runt-related transcription factor 2(RUNX2) and the OPG/ Receptor Activator of Nuclear Factor-κ B Ligand (RANKL) ratio were the highest in the hPDLSCs initially plated at a density of 2 × 104 cells/cm2, and the average cell calcium concentration was also the highest. To study hPDLSCs regulating the osteoblastic differentiation of other cells, we used 50 μg/mL of secreted exosomes derived from hPDLSCs cultured using different initial cell densities to induce human bone marrow stromal cell (hBMSC) osteogenesis. After 14 days, the results indicated that the gene expression of OPG, Osteocalcin(OCN,)RUNX2, and osterix and the OPG/RANKL ratio were the highest in the 2 × 104 cells/cm2 initial cell density group, and the average calcium concentration was also the highest. This provides a new idea for the clinical application of stem cell osteogenesis.
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Affiliation(s)
- Jing Wang
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Qingchen Qiao
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Yaxi Sun
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Wenting Yu
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Jiran Wang
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Minjia Zhu
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Kai Yang
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Xiaofeng Huang
- Department of Stomatology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
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8
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Chen Y, Sun Y, Xue X, Ma H. Comprehensive analysis of epigenetics mechanisms in osteoporosis. Front Genet 2023; 14:1153585. [PMID: 37056287 PMCID: PMC10087084 DOI: 10.3389/fgene.2023.1153585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 03/10/2023] [Indexed: 03/30/2023] Open
Abstract
Epigenetic modification pertains to the alteration of genetic-expression, which could be transferred to the next generations, without any alteration in the fundamental DNA sequence. Epigenetic modification could include various processes such as DNA methylation, histone alteration, non-coding RNAs (ncRNAs), and chromatin adjustment are among its primary operations. Osteoporosis is a metabolic disorder that bones become more fragile due to the decrease in mineral density, which could result in a higher risk of fracturing. Recently, as the investigation of the causal pathology of osteoporosis has been progressed, remarkable improvement has been made in epigenetic research. Recent literatures have illustrated that epigenetics is estimated to be one of the most contributing factors to the emergence and progression of osteoporosis. This dissertation primarily focuses on indicating the research progresses of epigenetic mechanisms and also the regulation of bone metabolism and the pathogenesis of osteoporosis in light of the significance of epigenetic mechanisms. In addition, it aims to provide new intelligence for the treatment of diseases related to bone metabolism.
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Affiliation(s)
- Yuzhu Chen
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yumiao Sun
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xiangyu Xue
- Harbin Medical University, Harbin, Heilongjiang, China
| | - Huanzhi Ma
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- *Correspondence: Huanzhi Ma,
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Kim SK, Choe JY, Kim JW, Park KY. Histone Deacetylase 6 Inhibitor CKD-WID Suppressed Monosodium Urate-Induced Osteoclast Formation by Blocking Calcineurin-NFAT Pathway in RAW 264.7 Cells. Pharmaceuticals (Basel) 2023; 16:ph16030446. [PMID: 36986544 PMCID: PMC10051978 DOI: 10.3390/ph16030446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/18/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Histone deacetylase (HDAC) has been found to play a crucial role in the regulation of osteoclast differentiation and formation. This study was designed to identify the effect of the HDAC6 inhibitor CKD-WID on the receptor for the activation of nuclear factor-κB ligand (RANKL)-mediated osteoclast formation in the presence of monosodium urate (MSU) in RAW 264.7 murine macrophage cells. The expression of osteoclast-specific target genes, calcineurin, and nuclear factor of activated T-cells cytoplasmic 1 (NFATc1) was evaluated in RAW 264.7 murine macrophages treated with MSU, RANKL, or CKD-WID by real-time quantitative polymerase chain reaction and Western blot assay. The effect of CKD-WID on osteoclast formation was measured by tartrate-resistant acid phosphatase (TRAP) staining, F-actin ring formation staining, and assays for bone resorption activity. RANKL in the presence of MSU significantly induced HDAC6 gene and protein expression in RAW 264.7 cells. CKD-WID markedly suppressed the expression of osteoclast-related markers such as c-Fos, TRAP, cathepsin K, and carbonic anhydrase II induced by co-stimulation with RANKL and MSU in RAW 264.7 cells. Transcription factor NFATc1 mRNA expression and nuclear NFATc1 protein expression induced by co-stimulation with RANKL and MSU were significantly inhibited by CKD-WID treatment. CKD-WID also decreased the number of TRAP-positive multinuclear cells and F-actin ring-positive cells and attenuated bone resorption activity. Co-stimulation with RANKL and MSU increased calcineurin gene and protein expression, which was significantly blocked by CKD-WID treatment. The HDAC6 inhibitor CKD-WID suppressed MSU-induced osteoclast formation through blocking the calcineurin-NFAT pathway in RAW 264.7 cells. This suggests that HDAC6 is considered a therapeutic target in uric acid-mediated osteoclastogenesis.
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Affiliation(s)
- Seong-Kyu Kim
- Division of Rheumatology, Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu 42472, Republic of Korea
- Arthritis and Autoimmunity Research Center, Catholic University of Daegu, 33, Duryugongwon-ro 17-gil, Nam-gu, Daegu 42472, Republic of Korea
- Correspondence: ; Tel.: +82-53-650-3465; Fax: +82-53-629-8248
| | - Jung-Yoon Choe
- Division of Rheumatology, Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu 42472, Republic of Korea
- Arthritis and Autoimmunity Research Center, Catholic University of Daegu, 33, Duryugongwon-ro 17-gil, Nam-gu, Daegu 42472, Republic of Korea
| | - Ji-Won Kim
- Division of Rheumatology, Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu 42472, Republic of Korea
- Arthritis and Autoimmunity Research Center, Catholic University of Daegu, 33, Duryugongwon-ro 17-gil, Nam-gu, Daegu 42472, Republic of Korea
| | - Ki-Yeun Park
- Arthritis and Autoimmunity Research Center, Catholic University of Daegu, 33, Duryugongwon-ro 17-gil, Nam-gu, Daegu 42472, Republic of Korea
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10
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The Role of Sympathetic Nerves in Osteoporosis: A Narrative Review. Biomedicines 2022; 11:biomedicines11010033. [PMID: 36672541 PMCID: PMC9855775 DOI: 10.3390/biomedicines11010033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
Osteoporosis, a systemic bone disease, is characterized by decreased bone density due to various reasons, destructed bone microstructure, and increased bone fragility. The incidence of osteoporosis is very high among the elderly, and patients with osteoporosis are prone to suffer from spine fractures and hip fractures, which cause great harm to patients. Meanwhile, osteoporosis is mainly treated with anti-osteoporosis drugs that have side effects. Therefore, the development of new treatment modalities has a significant clinical impact. Sympathetic nerves play an important role in various physiological activities and the regulation of osteoporosis as well. Therefore, the role of sympathetic nerves in osteoporosis was reviewed, aiming to provide information for future targeting of sympathetic nerves in osteoporosis.
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11
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Molecular Crosstalk between Chromatin Remodeling and Tumor Microenvironment in Multiple Myeloma. Curr Oncol 2022; 29:9535-9549. [PMID: 36547163 PMCID: PMC9777166 DOI: 10.3390/curroncol29120749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/28/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Multiple myeloma (MM) is a complex disease driven by numerous genetic and epigenetic alterations that are acquired over time. Despite recent progress in the understanding of MM pathobiology and the availability of innovative drugs, which have pronounced clinical outcome, this malignancy eventually progresses to a drug-resistant lethal stage and, thus, novel therapeutic drugs/models always play an important role in effective management of MM. Modulation of tumor microenvironment is one of the hallmarks of cancer biology, including MM, which affects the myeloma genomic architecture and disease progression subtly through chromatin modifications. The bone marrow niche has a prime role in progression, survival, and drug resistance of multiple myeloma cells. Therefore, it is important to develop means for targeting the ecosystem between multiple myeloma bone marrow microenvironment and chromatin remodeling. Extensive gene expression profile analysis has indeed provided the framework for new risk stratification of MM patients and identifying novel molecular targets and therapeutics. However, key tumor microenvironment factors/immune cells and their interactions with chromatin remodeling complex proteins that drive MM cell growth and progression remain grossly undefined.
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12
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Sun S, Xiu C, Chai L, Chen X, Zhang L, Liu Q, Chen J, Zhou H. HDAC inhibitor quisinostat prevents estrogen deficiency-induced bone loss by suppressing bone resorption and promoting bone formation in mice. Eur J Pharmacol 2022; 927:175073. [PMID: 35636521 DOI: 10.1016/j.ejphar.2022.175073] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 05/25/2022] [Accepted: 05/25/2022] [Indexed: 12/28/2022]
Abstract
Postmenopausal osteoporosis (PMOP) is a metabolic skeletal disorder characterized by reduced bone mass and impaired bone microarchitecture resulting in increased bone fragility and fracture risk. PMOP is primarily caused by excessive osteoclastogenesis induced by estrogen deficiency. Quisinostat (Qst) is a potent hydroxamate-based second-generation inhibitor of histone deacetylases (HDACs) that can inhibit osteoclast differentiation in vitro, and protect mice from titanium particle-induced osteolysis in vivo. However, whether Qst has therapeutic potential against PMOP remains unclear. In the present study, we evaluated the therapeutic efficacy of Qst on PMOP, using a murine model of ovariectomy (OVX)-induced osteoporosis. We examined the body weight, femur length, and histology of major organs, and showed that Qst did not cause obvious toxicity in mice. Micro-computed tomography and histological analyses revealed that Qst treatment prevented OVX-induced trabecular bone loss both in femurs and vertebrae. Moreover, ELISA showed that Qst decreased the serum levels of the osteoclastic bone resorption marker CTX-1, whereas increased the levels of the osteoblastic bone formation marker Osteocalcin in OVX mice. Consistent with the CTX-1 results, TRAP staining showed that Qst suppressed OVX-induced osteoclastogenesis. Mechanistically, we showed that Qst suppressed RANKL-induced osteoclast differentiation in part by inhibiting p65 nuclear translocation. Collectively, our results demonstrated that Qst can ameliorate estrogen deficiency-induced osteoporosis by inhibiting bone resorption and promoting bone formation in vivo. In summary, our study provided the first preclinical evidence to support Qst as a potential therapeutic agent for PMOP prevention and treatment.
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Affiliation(s)
- Shengxuan Sun
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Chunmei Xiu
- Orthopedic Institute, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, Jiangsu, 215021, China
| | - Langhui Chai
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Xinyu Chen
- Suzhou High School of Jiangsu Province, Suzhou, Jiangsu, 215002, China
| | - Lei Zhang
- Orthopedic Institute, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, Jiangsu, 215021, China
| | - Qingbai Liu
- Department of Orthopaedics, Lianshui County People's Hospital, The Affiliated Lianshui County People's Hospital of Kangda College of Nanjing Medical University, Huai'an, Jiangsu, 223400, China.
| | - Jianquan Chen
- Orthopedic Institute, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, Jiangsu, 215021, China.
| | - Haibin Zhou
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China.
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13
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Bei J, Zhu S, Du M, Hu Z, Tang Z, Chen C, Yang K, Zhong Y, Zhu X, Li W, Hu Z. Integrative analysis of multiomics data identified acetylation as key variable of excessive energy metabolism in hyperthyroidism-induced osteoporosis rats. J Proteomics 2022; 252:104451. [PMID: 34883266 DOI: 10.1016/j.jprot.2021.104451] [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: 08/08/2021] [Revised: 11/21/2021] [Accepted: 11/22/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Results from the previous experiment have demonstrated bone loss and excess metabolism in Hyperthyroidism-induced rats. Thus, an underlying relationship between metabolism and bone loss was speculated. In addition, previous studies have shown the influence of acetylation on metabolism in tissues and diseases. The hypothesis from this case study suggests that excessive metabolism is induced by acetylation of vital metabolism enzymes. RESULTS In the case study, a HYP-induced osteoporosis rat model was used and the glucose metabolite was tested through the acetylation of proteins by the mass spectrometer. The results showed that pivotal enzymes of Glycolysis-Tricarboxylic acid cycle-Oxidative phosphorylation were acetylated along with upregulated metabolites. With all acetyly-lysine sites of related enzymes listed, the results in this study showed that bone loss in HYP rats was accompanied by the upregulation of CREB-binding protein (Crebbp, CBP). Furthermore, it is also indicated that CBP has a close relationship with the enhancement of LDHA which promotes glucose metabolism. CONCLUSIONS Acetylation is highly correlated with excessive energy metabolism in HYP-induced osteoporotic rats, where a representation relationship between CBP and LDHA is demonstrated. SIGNIFICANCE Hyperthyroidism may lead to osteoporosis. Our study found an interesting phenomenon of hyperthyroidism induced-osteoporosis is that osteoporosis is accompanied by excessive glucose metabolism. In this process, some molecular mechanisms are still unclear. This study indicates a high degree of acetylation of metabolic enzymes, which may be closely related to excessive glucose metabolism. The relationship between CBP and LDHA was also investigated in this study, which showed that CBP and LDHA had some extent interaction. Glucose metabolism and acetylation maybe all associated with hyperthyroidism induced-osteoporosis. This data provides new insights into the molecular mechanisms of hyperthyroidism induced-osteoporosis.
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Affiliation(s)
- Jiaxin Bei
- Department of Infectious Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shaoping Zhu
- Institute of Laboratory Animal Center, Guangdong Medical University, Zhanjiang, China
| | - Minqun Du
- Guangdong Women and Children's Hospital, Guangzhou, China
| | - Zhihui Hu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zheng Tang
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Cailing Chen
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Kevin Yang
- Department of Cardiology, Sun Yat-sen University, Guangzhou, China
| | - Ying Zhong
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xianhong Zhu
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wangen Li
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Zhuoqing Hu
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
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14
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Ma TL, Zhu P, Ke ZR, Chen JX, Hu YH, Xie J. Focusing on OB-OC-MΦ Axis and miR-23a to Explore the Pathogenesis and Treatment Strategy of Osteoporosis. Front Endocrinol (Lausanne) 2022; 13:891313. [PMID: 35909545 PMCID: PMC9329542 DOI: 10.3389/fendo.2022.891313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 06/20/2022] [Indexed: 11/27/2022] Open
Abstract
Osteoporosis is a bone metabolic disorder characterized by decreased bone density and deteriorated microstructure, which increases the risk of fractures. The imbalance between bone formation and bone resorption results in the occurrence and progression of osteoporosis. Osteoblast-mediated bone formation, osteoclast-mediated bone resorption and macrophage-regulated inflammatory response play a central role in the process of bone remodeling, which together maintain the balance of the osteoblast-osteoclast-macrophage (OB-OC-MΦ) axis under physiological conditions. Bone formation and bone resorption disorders caused by the imbalance of OB-OC-MΦ axis contribute to osteoporosis. Many microRNAs are involved in the regulation of OB-OC-MΦ axis homeostasis, with microRNA-23a (miR-23a) being particularly crucial. MiR-23a is highly expressed in the pathological process of osteoporosis, which eventually leads to the occurrence and further progression of osteoporosis by inhibiting osteogenesis, promoting bone resorption and inflammatory polarization of macrophages. This review focuses on the role and mechanism of miR-23a in regulating the OB-OC-MΦ axis to provide new clinical strategies for the prevention and treatment of osteoporosis.
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Affiliation(s)
- Tian-Liang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Peng Zhu
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Zhuo-Ran Ke
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Jing-Xian Chen
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Yi-He Hu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yi-He Hu, ; Jie Xie,
| | - Jie Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yi-He Hu, ; Jie Xie,
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15
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Xiao Y, Xian Y, Hu X, Qi Z. D(-)-salicin inhibits RANKL-induced osteoclast differentiation and function in vitro. Fitoterapia 2021; 157:104981. [PMID: 34182052 DOI: 10.1016/j.fitote.2021.104981] [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: 04/23/2021] [Revised: 06/08/2021] [Accepted: 06/23/2021] [Indexed: 11/16/2022]
Abstract
Osteoporosis is a disease, which causes huge economic and social burden. Using natural compound to treat such disease is beneficial for the fewer side effects and effectiveness. D-(-)-salicin (DSA) is a component extracted from the bark of Populus and Salix species. In our research, we discovered that DSA suppressed RANKL-induced differentiation of osteoclast in vitro in a dose-dependent manner. It was also found that the mineral resorbing activity by osteoclasts was depressed via DSA. For the mechanism, we confirmed the inhibitory effect, by which DSA suppressed osteoclast formation and function, was through the inhibition of ROS signaling, MAPK and NF-κB cascades. DSA also suppressed the expression and activity of NFATc1. Therefore, by inhibiting the ROS production, MAPK and NF-κB signal cascade, DSA inhibited the osteoclast differentiation and function in vitro.
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Affiliation(s)
- Yu Xiao
- Medical College of Guangxi University, Da-Xue-Dong Road No.100, Nanning, Guangxi 530004, China
| | - Yansi Xian
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Xinmei Hu
- Medical College of Guangxi University, Da-Xue-Dong Road No.100, Nanning, Guangxi 530004, China
| | - Zhongquan Qi
- Medical College of Guangxi University, Da-Xue-Dong Road No.100, Nanning, Guangxi 530004, China.
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16
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Yi SJ, Jang YJ, Kim HJ, Lee K, Lee H, Kim Y, Kim J, Hwang SY, Song JS, Okada H, Park JI, Kang K, Kim K. The KDM4B-CCAR1-MED1 axis is a critical regulator of osteoclast differentiation and bone homeostasis. Bone Res 2021; 9:27. [PMID: 34031372 PMCID: PMC8144413 DOI: 10.1038/s41413-021-00145-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 01/10/2021] [Accepted: 01/22/2021] [Indexed: 12/12/2022] Open
Abstract
Bone undergoes a constant and continuous remodeling process that is tightly regulated by the coordinated and sequential actions of bone-resorbing osteoclasts and bone-forming osteoblasts. Recent studies have shown that histone demethylases are implicated in osteoblastogenesis; however, little is known about the role of histone demethylases in osteoclast formation. Here, we identified KDM4B as an epigenetic regulator of osteoclast differentiation. Knockdown of KDM4B significantly blocked the formation of tartrate-resistant acid phosphatase-positive multinucleated cells. Mice with myeloid-specific conditional knockout of KDM4B showed an osteopetrotic phenotype due to osteoclast deficiency. Biochemical analysis revealed that KDM4B physically and functionally associates with CCAR1 and MED1 in a complex. Using genome-wide chromatin immunoprecipitation (ChIP)-sequencing, we revealed that the KDM4B–CCAR1–MED1 complex is localized to the promoters of several osteoclast-related genes upon receptor activator of NF-κB ligand stimulation. We demonstrated that the KDM4B–CCAR1–MED1 signaling axis induces changes in chromatin structure (euchromatinization) near the promoters of osteoclast-related genes through H3K9 demethylation, leading to NF-κB p65 recruitment via a direct interaction between KDM4B and p65. Finally, small molecule inhibition of KDM4B activity impeded bone loss in an ovariectomized mouse model. Taken together, our findings establish KDM4B as a critical regulator of osteoclastogenesis, providing a potential therapeutic target for osteoporosis.
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Affiliation(s)
- Sun-Ju Yi
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - You-Jee Jang
- Korea Basic Science Institute, Gwangju Center at Chonnam National University, Gwangju, Republic of Korea
| | - Hye-Jung Kim
- New Drug Development Center, KBIO Osong Medical Innovation Foundation, Cheongju, Chungbuk, Republic of Korea
| | - Kyubin Lee
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Hyerim Lee
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Yeojin Kim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Junil Kim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Seon Young Hwang
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Jin Sook Song
- Data Convergence Drug Research Center, Therapeutics & Biotechnology Division, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Hitoshi Okada
- Department of Biochemistry, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan
| | - Jae-Il Park
- Korea Basic Science Institute, Gwangju Center at Chonnam National University, Gwangju, Republic of Korea
| | - Kyuho Kang
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Kyunghwan Kim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea.
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17
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Zhang L, Zhang L, You H, Sun S, Liao Z, Zhao G, Chen J. Inhibition of osteoclastogenesis by histone deacetylase inhibitor Quisinostat protects mice against titanium particle-induced bone loss. Eur J Pharmacol 2021; 904:174176. [PMID: 34004213 DOI: 10.1016/j.ejphar.2021.174176] [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: 02/26/2021] [Revised: 05/06/2021] [Accepted: 05/12/2021] [Indexed: 10/21/2022]
Abstract
Periprosthetic osteolysis (PPO) and subsequent aseptic loosening are major long-term complications after total joint arthroplasty and have become the first causes for further revision surgery. Since PPO is primarily caused by excessive bone resorption stimulated by released wear particles, osteoclast-targeted therapy is considered to be of great potential for PPO prevention and treatment. Accumulating evidences indicated that inhibition of histone deacetylases (HDACs) may represent a novel approach to suppress osteoclast differentiation. However, different inhibitors of HDACs were shown to exhibit distinct safety profiles and efficacy in inhibiting osteoclastogenesis. Quisinostat (Qst) is a hydroxamate-based histone deacetylase inhibitor, and exerts potent anti-cancer activity. However, its effect on osteoclastogenesis and its therapeutic potential in preventing PPO are still unclear. In this study, we found that Qst suppressed RANKL-induced production of TRAP-positive mature osteoclasts, expression of osteoclast-specific genes, formation of F-actin rings, and bone resorption activity at a nanomolar concentration as low as 2 nM in vitro. Furthermore, we found that as low as 30 μg/kg of Qst was sufficient to exert preventive effect on titanium particle-induced osteolysis in the murine calvarial osteolysis model. Mechanistically, we found that Qst suppressed osteoclastogenesis by interfering with NF-κB and c-Fos/NFATc1 pathways. Thus, our study revealed that Qst may serve as a potential therapeutic agent for prevention and treatment of PPO and other osteoclast-mediated diseases.
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Affiliation(s)
- Liwei Zhang
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Lei Zhang
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Hongji You
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Shengxuan Sun
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Zirui Liao
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Gang Zhao
- Department of Hand Surgery, Wuxi No.9 People's Hospital Affiliated to Soochow University, Wuxi, Jiangsu, 214062, China.
| | - Jianquan Chen
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China.
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18
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Huang J, Li YY, Xia K, Wang YY, Chen CY, Chen ML, Cao J, Liu ZZ, Wang ZX, Yin H, Hu XK, Wang ZG, Zhou Y, Xie H. Harmine targets inhibitor of DNA binding-2 and activator protein-1 to promote preosteoclast PDGF-BB production. J Cell Mol Med 2021; 25:5525-5533. [PMID: 33960660 PMCID: PMC8184727 DOI: 10.1111/jcmm.16562] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 03/12/2021] [Accepted: 03/24/2021] [Indexed: 12/24/2022] Open
Abstract
Osteoporosis is one of the most common metabolic bone diseases affecting millions of people. We previously found that harmine prevents bone loss in ovariectomized mice via increasing preosteoclast platelet‐derived growth factor‐BB (PDGF‐BB) production and type H vessel formation. However, the molecular mechanisms by which harmine promotes preosteoclast PDGF‐BB generation are still unclear. In this study, we revealed that inhibitor of DNA binding‐2 (Id2) and activator protein‐1 (AP‐1) were important factors implicated in harmine‐enhanced preosteoclast PDGF‐BB production. Exposure of RANKL‐induced Primary bone marrow macrophages (BMMs), isolated from tibiae and femora of mice, to harmine increased the protein levels of Id2 and AP‐1. Knockdown of Id2 by Id2‐siRNA reduced the number of preosteoclasts as well as secretion of PDGF‐BB in RANKL‐stimulated BMMs administrated with harmine. Inhibition of c‐Fos or c‐Jun (components of AP‐1) both reversed the stimulatory effect of harmine on preosteoclast PDGF‐BB production. Dual‐luciferase reporter assay analyses determined that PDGF‐BB was the direct target of AP‐1 which was up‐regulated by harmine treatment. In conclusion, our data demonstrated a novel mechanism involving in the production of PDGF‐BB increased by harmine, which may provide potential therapeutic targets for bone loss diseases.
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Affiliation(s)
- Jie Huang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - You-You Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Kun Xia
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Yi-Yi Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Chun-Yuan Chen
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Meng-Lu Chen
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China.,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Jia Cao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Zheng-Zhao Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China.,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhen-Xing Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Hao Yin
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Xiong-Ke Hu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China
| | - Zheng-Guang Wang
- Department of Orthopaedics, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhou
- Department of Orthopaedics, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Hui Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, China.,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha, China.,Hunan Key Laboratory of Bone Joint Degeneration and Injury, Changsha, China
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19
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Wang J, Jiao D, Huang X, Bai Y. Osteoclastic effects of mBMMSCs under compressive pressure during orthodontic tooth movement. Stem Cell Res Ther 2021; 12:148. [PMID: 33632323 PMCID: PMC7905894 DOI: 10.1186/s13287-021-02220-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 02/09/2021] [Indexed: 01/10/2023] Open
Abstract
Background During orthodontic tooth movement (OTM), alveolar bone remodelling is closely related to mechanical force. It is unclear whether stem cells can affect osteoclastogenesis to promote OTM. This study aimed to investigate the role of mouse bone marrow mesenchymal stem cells (mBMMSCs) under compression load in OTM. Methods A mouse OTM model was established, and GFP-labelled mBMMSCs and normal saline were injected into different groups of mice by tail vein injection. OTM distance was measured using tissue specimens and micro-computed tomography (micro-CT). The locations of mBMMSCs were traced using GFP immunohistochemistry. Haematoxylin-eosin staining, tartrate-resistant acid phosphate (TRAP) staining and immunohistochemistry of Runx2 and lipoprotein lipase were used to assess changes in the periodontal ligament during OTM. mBMMSCs under compression were co-cultured with mouse bone marrow-derived macrophages (mBMMs), and the gene expression levels of Rankl, Mmp-9, TRAP, Ctsk, Alp, Runx2, Ocn and Osterix were determined by RT-PCR. Results Ten days after mBMMSCs were injected into the tail vein of mice, the OTM distance increased from 176 (normal saline) to 298.4 μm, as determined by tissue specimen observation, and 174.2 to 302.6 μm, as determined by micro-CT metrological analysis. GFP-labelled mBMMSCs were mostly located on the compressed side of the periodontal ligament. Compared to the saline group, the number of osteoclasts in the alveolar bone increased significantly (P < 0.01) on the compressed side in the mBMMSC group. Three days after mBMMSC injection, the number of Runx2-GFP double-positive cells on the tension side was significantly higher than that on the compression side. After applying compressive force on the mBMMSCs in vitro for 2 days, RANKL expression was significantly higher than in the non-compression cells, but expression of Alp, Runx2, Ocn and Osterix was significantly decreased (P < 0.05). The numbers of osteoclasts differentiated in response to mBMMs co-cultured with mBMMSCs under pressure load and expression of osteoclast differentiation marker genes (Mmp-9, TRAP and Ctsk) were significantly higher than those in mBMMs stimulated by M-CSF alone (P < 0.05). Conclusions mBMMSCs are not only recruited to the compressed side of the periodontal ligament but can also promote osteoclastogenesis by expressing Rankl, improving the efficiency of OTM.
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Affiliation(s)
- Jing Wang
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Delong Jiao
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Xiaofeng Huang
- Department of Stomatology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
| | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China.
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20
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Grabowski GA, Antommaria AHM, Kolodny EH, Mistry PK. Gaucher disease: Basic and translational science needs for more complete therapy and management. Mol Genet Metab 2021; 132:59-75. [PMID: 33419694 PMCID: PMC8809485 DOI: 10.1016/j.ymgme.2020.12.291] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/15/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Gregory A Grabowski
- Department of Pediatrics, University of Cincinnati College of Medicine, United States of America; Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, United States of America; Division of Human Genetics, Cincinnati Children's Research Foundation, Cincinnati, OH, United States of America.
| | - Armand H M Antommaria
- Department of Pediatrics, University of Cincinnati College of Medicine, United States of America; Lee Ault Carter Chair of Pediatric Ethics, Cincinnati Children's Research Foundation, Cincinnati, OH, United States of America.
| | - Edwin H Kolodny
- Department of Neurology, New York University Grossman School of Medicine, New York, NY, United States of America.
| | - Pramod K Mistry
- Departments of Medicine and Pediatrics, Yale School of Medicine, New Haven, CT, United States of America.
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21
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Epigenetic Regulators Involved in Osteoclast Differentiation. Int J Mol Sci 2020; 21:ijms21197080. [PMID: 32992908 PMCID: PMC7583862 DOI: 10.3390/ijms21197080] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/19/2020] [Accepted: 09/21/2020] [Indexed: 12/17/2022] Open
Abstract
Age related changes to the skeleton, such as osteoporosis, increase the risk of fracture and morbidity in the elderly population. In osteoporosis, bone remodeling becomes unbalanced with an increase in bone resorption and a decrease in bone formation. Osteoclasts are large multinucleated cells that secrete acid and proteases to degrade and resorb bone. Understanding the molecular mechanisms that regulate osteoclast differentiation and activity will provide insight as to how hyper-active osteoclasts lead to pathological bone loss, contributing to diseases such as osteoporosis. Reversible modifications to the DNA such as histone acetylation, methylation, phosphorylation and ubiquitylation alters the access of transcriptional machinery to DNA and regulates gene expression and osteoclast differentiation and activity. It is critical for the management of bone related diseases to understand the role of these chromatin modifying proteins during osteoclast differentiation, as potential therapies targeting these proteins are currently under development.
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Osteoclast Multinucleation: Review of Current Literature. Int J Mol Sci 2020; 21:ijms21165685. [PMID: 32784443 PMCID: PMC7461040 DOI: 10.3390/ijms21165685] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 12/14/2022] Open
Abstract
Multinucleation is a hallmark of osteoclast maturation. The unique and dynamic multinucleation process not only increases cell size but causes functional alterations through reconstruction of the cytoskeleton, creating the actin ring and ruffled border that enable bone resorption. Our understanding of the molecular mechanisms underlying osteoclast multinucleation has advanced considerably in this century, especially since the identification of DC-STAMP and OC-STAMP as “master fusogens”. Regarding the molecules and pathways surrounding these STAMPs, however, only limited progress has been made due to the absence of their ligands. Various molecules and mechanisms other than the STAMPs are involved in osteoclast multinucleation. In addition, several preclinical studies have explored chemicals that may be able to target osteoclast multinucleation, which could enable us to control pathogenic bone metabolism more precisely. In this review, we will focus on recent discoveries regarding the STAMPs and other molecules involved in osteoclast multinucleation.
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Chen Z, Zhang Z, Guo L, Wei X, Zhang Y, Wang X, Wei L. The role of histone deacetylase 4 during chondrocyte hypertrophy and endochondral bone development. Bone Joint Res 2020; 9:82-89. [PMID: 32435460 PMCID: PMC7229302 DOI: 10.1302/2046-3758.92.bjr-2019-0172.r1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Chondrocyte hypertrophy represents a crucial turning point during endochondral bone development. This process is tightly regulated by various factors, constituting a regulatory network that maintains normal bone development. Histone deacetylase 4 (HDAC4) is the most well-characterized member of the HDAC class IIa family and participates in different signalling networks during development in various tissues by promoting chromatin condensation and transcriptional repression. Studies have reported that HDAC4-null mice display premature ossification of developing bones due to ectopic and early-onset chondrocyte hypertrophy. Overexpression of HDAC4 in proliferating chondrocytes inhibits hypertrophy and ossification of developing bones, which suggests that HDAC4, as a negative regulator, is involved in the network regulating chondrocyte hypertrophy. Overall, HDAC4 plays a key role during bone development and disease. Thus, understanding the role of HDAC4 during chondrocyte hypertrophy and endochondral bone formation and its features regarding the structure, function, and regulation of this process will not only provide new insight into the mechanisms by which HDAC4 is involved in chondrocyte hypertrophy and endochondral bone development, but will also create a platform for developing a therapeutic strategy for related diseases. Cite this article:Bone Joint Res. 2020;9(2):82–89.
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Affiliation(s)
- Zhi Chen
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhiwei Zhang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Li Guo
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiaochun Wei
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Yang Zhang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiaojian Wang
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Lei Wei
- Department of Orthopedics, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
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Bone Remodeling: Histone Modifications as Fate Determinants of Bone Cell Differentiation. Int J Mol Sci 2019; 20:ijms20133147. [PMID: 31252653 PMCID: PMC6651527 DOI: 10.3390/ijms20133147] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/21/2019] [Accepted: 06/24/2019] [Indexed: 02/07/2023] Open
Abstract
The bone tissue is a dynamic complex that constitutes of several interdependent systems and is continuously remodeled through the concerted actions of bone cells. Osteoblasts are mononucleated cells, derived from mesenchymal stem cells, responsible for bone formation. Osteoclasts are large multinucleated cells that differentiate from hematopoietic progenitors of the myeloid lineage and are responsible for bone resorption. The lineage-specific differentiation of bone cells requires an epigenetic regulation of gene expressions involving chromatin dynamics. The key step for understanding gene regulatory networks during bone cell development lies in characterizing the chromatin modifying enzymes responsible for reorganizing and potentiating particular chromatin structure. This review covers the histone-modifying enzymes involved in bone development, discusses the impact of enzymes on gene expression, and provides future directions and clinical significance in this area.
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