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Yu L, Hu M, Cui X, Bao D, Luo Z, Li D, Li L, Liu N, Wu Y, Luo X, Ma Y. M1 macrophage-derived exosomes aggravate bone loss in postmenopausal osteoporosis via a microRNA-98/DUSP1/JNK axis. Cell Biol Int 2021; 45:2452-2463. [PMID: 34431160 DOI: 10.1002/cbin.11690] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/27/2021] [Accepted: 08/14/2021] [Indexed: 02/01/2023]
Abstract
Macrophages (Mφs) are master regulators of the immune response and may serve as therapeutic targets in aging societies. This study aimed to determine the function of M1Mφ-exosomes (Exos) in the development of osteoporosis (OP) and the involvement of microRNA (miR)-98 and dual specificity phosphatase 1 (DUSP1). A murine model of OP was established using ovariectomies (OVX). Bone loss was observed in OVX-treated mice, as manifested by reduced bone mineral density and decreased number of bone trabecula. The bone loss was further aggravated by treatment with M1Mφ-Exos. Exos also suppressed osteogenic differentiation of MC3T3-E1 cells. miRNA microarray analysis revealed that the miR-98 level was notably upregulated in cells after Exo treatment, and DUSP1 was confirmed as a target of miR-98. Meanwhile, downregulation of miR-98 or upregulation of DUSP1 restored the osteogenic differentiation ability of MC3T3-E1 cells. In addition, upregulation of DUSP1 reduced bone loss in murine bone tissues and suppressed JNK phosphorylation. In summary, M1Mφ-derived exosomal miR-98 exacerbates bone loss and OP by downregulating DUSP1 and activating the JNK signaling pathway. miR-98 may therefore serve as a therapeutic target in OP management.
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Affiliation(s)
- Long Yu
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ming Hu
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xu Cui
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Da Bao
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhanpeng Luo
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Dawei Li
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Litao Li
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ning Liu
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yunfeng Wu
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaobo Luo
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuanzheng Ma
- Department of Spine Surgery, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
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102
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Zorina OA, Amkhadova MA, Boriskina OA, Aleskerov ES, Kostoev IS. [Diagnostic value of biomarkers of bone metabolism in the gingival fluid in inflammatory-destructive and tumor oral pathology]. STOMATOLOGII︠A︡ 2021; 100:31-36. [PMID: 34357725 DOI: 10.17116/stomat202110004131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The aim of the work was to determine the informativeness of the assessment of biochemical markers in the gingival fluid with destructive bone changes in the peri-implantation area, primary tumor lesion of the alveolar processes of the jaws and metastatic destruction of the jaw bone tissue in cancer of the large salivary glands. The study included 51 patients aged 30 to 75 years of both sexes. Depending on the genesis of destruction of the bone tissue of the lower jaw, three groups of patients were identified. Group 1 - 20 patients with peri-implantitis. Group 2 - 22 patients diagnosed with cancer of the oral floor mucosa (ICD C04) with erosion of the cortical bone or dental socket by a primary tumor. Group 3 - 9 patients with adenocarcinoma of the large salivary glands with metastatic lesions of the lower jaw. 15 people were practically healthy persons without periodontal pathology. The test material was gingival fluid or exudate from peri-implantation pockets. The content of cathepsin K, tartrate-resistant acid phosphatase (TAP) was determined by the enzyme immunoassay, and the bone fraction of alkaline phosphatase (BAP) was determined by the kinetic method. RESULTS As a result, it was found that in group 1 in the exudate of the peri-implantation sulcus, the content of cathepsin K increased in comparison with the control by 2.5 times (p<0.05), TAP by 1.6 times (p<0.05). in groups 1 and 2, there was a moderate increase in the production of activated osteoblasts of KAP. In cancer of the mucous membrane of the floor of the mouth, a tenfold increase in the concentration of cathepsin K and TAP in the gingival fluid was observed. With metastatic lesions of the jaw in patients with adenocarcinoma of the large salivary glands, along with a multiple increase in the concentration of cathepsin K and TAP in the gingival fluid, there was a twenty-fold increase in the bone formation marker BAP, which indicated a mixed type of metastases and was a differential diagnostic criterion for metastatic lesion of bone tissue in comparison with the primary metastatic lesion of bone tissue. CONCLUSION Thus, biochemical markers are sensitive indicators of remodeling of bone tissue both in local inflammatory and destructive processes in peri-implantitis and in primary and metastatic tumor lesions of the jaws.
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Affiliation(s)
- O A Zorina
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - M A Amkhadova
- Moscow Regional Research and Clinical Institute (MONIKI), Moscow, Russia
| | - O A Boriskina
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia.,Moscow Regional Research and Clinical Institute (MONIKI), Moscow, Russia
| | - E Sh Aleskerov
- Moscow Regional Research and Clinical Institute (MONIKI), Moscow, Russia
| | - I S Kostoev
- National Medical Research Centre for Oncology, Rostov-on-Don, Russia
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103
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Plesselova S, Garcia-Cerezo P, Blanco V, Reche-Perez FJ, Hernandez-Mateo F, Santoyo-Gonzalez F, Giron-Gonzalez MD, Salto-Gonzalez R. Polyethylenimine-Bisphosphonate-Cyclodextrin Ternary Conjugates: Supramolecular Systems for the Delivery of Antineoplastic Drugs. J Med Chem 2021; 64:12245-12260. [PMID: 34369757 PMCID: PMC8477368 DOI: 10.1021/acs.jmedchem.1c00887] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bisphosphonates (BPs) are bone-binding molecules that provide targeting capabilities to bone cancer cells when conjugated with drug-carrying polymers. This work reports the design, synthesis, and biological evaluation of polyethyleneimine-BP-cyclodextrin (PEI-BP-CD) ternary conjugates with supramolecular capabilities for the loading of antineoplastic drugs. A straightforward, modular, and versatile strategy based on the click aza-Michael addition reaction of vinyl sulfones (VSs) allows the grafting of BPs targeting ligands and βCD carrier appendages to the PEI polymeric scaffold. The in vitro evaluation (cytotoxicity, cellular uptake, internalization routes, and subcellular distribution) for the ternary conjugates and their doxorubicin inclusion complexes in different bone-related cancer cell lines (MC3T3-E1 osteoblasts, MG-63 sarcoma cells, and MDA-MB-231 breast cancer cells) confirmed specificity, mitochondrial targeting, and overall capability to mediate a targeted drug transport to those cells. The in vivo evaluation using xenografts of MG-63 and MDA-MB-231 cells on mice also confirmed the targeting of the conjugates.
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Affiliation(s)
- Simona Plesselova
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Pablo Garcia-Cerezo
- Department of Organic Chemistry, School of Sciences, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Victor Blanco
- Department of Organic Chemistry, School of Sciences, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Francisco J Reche-Perez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Fernando Hernandez-Mateo
- Department of Organic Chemistry, School of Sciences, University of Granada, E-18071 Granada, Spain.,Biotechnology Institute, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Francisco Santoyo-Gonzalez
- Department of Organic Chemistry, School of Sciences, University of Granada, E-18071 Granada, Spain.,Biotechnology Institute, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - María Dolores Giron-Gonzalez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
| | - Rafael Salto-Gonzalez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, E-18071 Granada, Spain.,Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, E-18071 Granada, Spain
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104
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Schreuder WH, van der Wal JE, de Lange J, van den Berg H. Multiple versus solitary giant cell lesions of the jaw: Similar or distinct entities? Bone 2021; 149:115935. [PMID: 33771761 DOI: 10.1016/j.bone.2021.115935] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 02/27/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023]
Abstract
The majority of giant cell lesions of the jaw present as a solitary focus of disease in bones of the maxillofacial skeleton. Less frequently they occur as multifocal lesions. This raises the clinical dilemma if these should be considered distinct entities and therefore each need a specific therapeutic approach. Solitary giant cell lesions of the jaw present with a great diversity of symptoms. Recent molecular analysis revealed that these are associated with somatic gain-of-function mutations in KRAS, FGFR1 or TRPV4 in a large component of the mononuclear stromal cells which all act on the RAS/MAPK pathway. For multifocal lesions, a small group of neoplastic multifocal giant cell lesions of the jaw remain after ruling out hyperparathyroidism. Strikingly, most of these patients are diagnosed with jaw lesions before the age of 20 years, thus before the completion of dental and jaw development. These multifocal lesions are often accompanied by a diagnosis or strong clinical suspicion of a syndrome. Many of the frequently reported syndromes belong to the so-called RASopathies, with germline or mosaic mutations leading to downstream upregulation of the RAS/MAPK pathway. The other frequently reported syndrome is cherubism, with gain-of-function mutations in the SH3BP2 gene leading through assumed and unknown signaling to an autoinflammatory bone disorder with hyperactive osteoclasts and defective osteoblastogenesis. Based on this extensive literature review, a RAS/MAPK pathway activation is hypothesized in all giant cell lesions of the jaw. The different interaction between and contribution of deregulated signaling in individual cell lineages and crosstalk with other pathways among the different germline- and non-germline-based alterations causing giant cell lesions of the jaw can be explanatory for the characteristic clinical features. As such, this might also aid in the understanding of the age-dependent symptomatology of syndrome associated giant cell lesions of the jaw; hopefully guiding ideal timing when installing treatment strategies in the future.
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Affiliation(s)
- Willem H Schreuder
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC and Academic Center for Dentistry Amsterdam, University of Amsterdam, Amsterdam, the Netherlands; Department of Head and Neck Surgery and Oncology, Antoni van Leeuwenhoek / Netherlands Cancer Institute, Amsterdam, the Netherlands.
| | - Jacqueline E van der Wal
- Department of Pathology, Antoni van Leeuwenhoek / Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Jan de Lange
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC and Academic Center for Dentistry Amsterdam, University of Amsterdam, Amsterdam, the Netherlands
| | - Henk van den Berg
- Department of Pediatrics / Oncology, Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Amsterdam, the Netherlands
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105
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Liang X, Hou Y, Han L, Yu S, Zhang Y, Cao X, Yan J. ELMO1 Regulates RANKL-Stimulated Differentiation and Bone Resorption of Osteoclasts. Front Cell Dev Biol 2021; 9:702916. [PMID: 34381782 PMCID: PMC8350380 DOI: 10.3389/fcell.2021.702916] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/30/2021] [Indexed: 11/20/2022] Open
Abstract
Bone homeostasis is a metabolic balance between the new bone formation by osteoblasts and old bone resorption by osteoclasts. Excessive osteoclastic bone resorption results in low bone mass, which is the major cause of bone diseases such as rheumatoid arthritis. Small GTPases Rac1 is a key regulator of osteoclast differentiation, but its exact mechanism is not fully understood. ELMO and DOCK proteins form complexes that function as guanine nucleotide exchange factors for Rac activation. Here, we report that ELMO1 plays an important role in differentiation and bone resorption of osteoclasts. Osteoclast precursors derived from bone marrow monocytes (BMMs) of Elmo1–/– mice display defective adhesion and migration during differentiation. The cells also have a reduced activation of Rac1, p38, JNK, and AKT in response to RANKL stimulation. Importantly, we show that bone erosion is alleviated in Elmo1–/– mice in a rheumatoid arthritis mouse model. Taken together, our results suggest that ELMO1, as a regulator of Rac1, regulates osteoclast differentiation and bone resorption both in vitro and in vivo.
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Affiliation(s)
- Xinyue Liang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Yafei Hou
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lijuan Han
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Shuxiang Yu
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Yunyun Zhang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Xiumei Cao
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianshe Yan
- School of Life Sciences, Shanghai University, Shanghai, China.,Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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106
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Ethiraj P, Haque IA, Alford AK, Gou W, Singh T, Sambandam Y, Hathaway-Schrader JD, Reddy SV. Inhibition of NFAM1 suppresses phospho-SAPK/JNK signaling during osteoclast differentiation and bone resorption. J Cell Biochem 2021; 122:1534-1543. [PMID: 34228377 DOI: 10.1002/jcb.30076] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/27/2021] [Accepted: 06/13/2021] [Indexed: 01/18/2023]
Abstract
We have recently demonstrated NFAT activating protein with ITAM motif 1 (NFAM1) signaling increases osteoclast (OCL) formation/bone resorption associated with the Paget's disease of bone, however, the underlying molecular mechanisms of the NFAM1 regulation of OCL differentiation and bone resorption remains unclear. Here, we showed that RANK ligand stimulation enhances NFAM1 expression in preosteoclast cells. Conditioned media collected from RANKL stimulated RAW264.7 NFAM1 knockdown (KD) stable cells showed inhibition of interleukin-6 (2.5-fold), tumour necrosis factor-α (2.2-fold) and CXCL-5 (3-fold) levels compared to wild-type (WT) cells. Further, RANKL stimulation significantly increased p-STAT6 expression (5.5-fold) in WT cells, but no significant effect was observed in NFAM1-KD cells. However, no changes were detected in signal transducer and activator of transcription 3 levels in either of cell groups. Interestingly, NFAM1-KD suppressed the RANKL stimulated c-fos, p-c-Jun and c-Jun N-terminal kinase (JNK) activity in preosteoclasts. We further showed that the suppression of JNK activity is through inhibition of p-SAPK/JNK in these cells. In addition, NFATc1 expression, a critical transcription factor associated with osteoclastogenesis is significantly inhibited in NFAM1-KD preosteoclast cells. Interestingly, NFAM1 inhibition suppressed the OCL differentiation and bone resorption capacity in mouse bone marrow cell cultures. We also demonstrated inhibition of tartrate-resistant acid phosphatase expression in RANKL stimulated NFAM1-KD preosteoclast cells. Thus, our results suggest that NFAM1 control SAPK/JNK signaling to modulate osteoclast differentiation and bone resorption.
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Affiliation(s)
- Purushoth Ethiraj
- Department of Pediatrics, Darby Children's Research Institute, Charleston, South Carolina, USA
| | - Ishraq A Haque
- Department of Pediatrics, Darby Children's Research Institute, Charleston, South Carolina, USA
| | - Anna K Alford
- Department of Pediatrics, Darby Children's Research Institute, Charleston, South Carolina, USA
| | - Wenyu Gou
- Department of Surgery, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Toolika Singh
- Department of Cardiology, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Yuvaraj Sambandam
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Jessica D Hathaway-Schrader
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Sakamuri V Reddy
- Department of Pediatrics, Darby Children's Research Institute, Charleston, South Carolina, USA
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107
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Wang Y, Yang Q, Fu Z, Sun P, Zhang T, Wang K, Li X, Qian Y. Hinokitiol inhibits RANKL-induced osteoclastogenesis in vitro and prevents ovariectomy-induced bone loss in vivo. Int Immunopharmacol 2021; 96:107619. [PMID: 33831806 DOI: 10.1016/j.intimp.2021.107619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 01/11/2023]
Abstract
Osteoporosis is a metabolic bone-loss disease characterized by abnormally excessive osteoclast formation and bone resorption. Identification of natural medicines that can inhibit osteoclastogenesis, bone resorption, and receptor activator of nuclear factor-κB ligand (RANKL)-induced signaling is necessary for improved treatment of osteoporosis. In this study, hinokitiol, a tropolone-related compound extracted from the heart wood of several cupressaceous plants, was found to inhibit RANKL-induced osteoclast formation and bone resorption in vitro. Hinokitiol inhibited early activation of the ERK, p38, and JNK-MAPK pathways, thereby suppressing the activity and expression of downstream factors (c-Jun, c-Fos, and NFATC1). Consistent with the above in vitro findings, hinokitiol treatment protected against ovariectomy-induced bone loss in vivo. Collectively, our results imply that hinokitiol can potentially serve as an effective agent for treating osteoclast-induced osteoporosis.
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Affiliation(s)
- Yanben Wang
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; Department of Orthopedics, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, China
| | - Qichang Yang
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Ziyuan Fu
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; Department of Orthopedics, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, China
| | - Peng Sun
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Tan Zhang
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China
| | - Kelei Wang
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; Department of Orthopedics, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, China
| | - Xinyu Li
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China; Department of Orthopedics, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, China
| | - Yu Qian
- Department of Orthopedics, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, China.
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108
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Zorina OA, Amkhadova MA, Boriskina OA, Aleskerov ES, Polyakov VM. [Diagnostic possibilities of laboratory assessment of cathepsin K activity in gingival and peri-implant fluid under normal conditions and periimplantitis]. STOMATOLOGII︠A︡ 2021; 100:55-59. [PMID: 34180626 DOI: 10.17116/stomat202110003155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The aim of the work was to develop a non-invasive laboratory method for local control of the severity of osteo-destructive processes in the bone tissue of the jaws after dental implantation. MATERIALS AND METHODS The study comprised 75 individuals aged 18 to 65. The main group included 40 patients with a diagnosis of dental periimplantitis (ICD K 10.2). A comparison group (n=20) included patients after dental implantation without postoperative complications. The control group (n=25) consisted of individuals without dental pathology. Cathepsin K (CTSK) (Human) ELISA Kit (Cloud-Clone Corp., USA) was used to determine the concentration of cathepsin K by the enzyme immunoassay in the gingival or peri-implant fluid. RESULTS The concentration of cathepsin K in the gingival fluid in the patients of the control group was 1.7±0.3 pmol/l, in the comparison group the concentration of the studied biomarker corresponded to 2.3±0.4 pmol/l. In the main group, the concentration of cathepsin K in the exudate of peri-implantation pockets increased 2.8 times (p<0.05) and corresponded to 4.9±0.5 pmol/l. The concentration of cathepsin K in the gingival fluid normally did not depend on age and gender, which increased the independence of the osteomarker for characterizing the osteoresorbent process in the peri-implantation area. After dental implantation, an excess of cathepsin K concentration above the level of 2.7 pmol/l with a diagnostic sensitivity of 82.5% and a specificity of 83.7% suggests a high risk of developing peri-implantitis. CONCLUSION The concentration of cathepsin K may be seen as valuable marker for local inflammatory and destructive processes in the contents of the peri-implantation area.
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Affiliation(s)
- O A Zorina
- Central Research Institute of Dentistry and Maxillofacial Surgery of Ministry of Health of the Russian Federation, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - M A Amkhadova
- Moscow Regional Research and Clinical Institute, Moscow, Russia
| | - O A Boriskina
- Central Research Institute of Dentistry and Maxillofacial Surgery of Ministry of Health of the Russian Federation, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Moscow Regional Research and Clinical Institute, Moscow, Russia
| | - E Sh Aleskerov
- Moscow Regional Research and Clinical Institute, Moscow, Russia
| | - V M Polyakov
- Rostov State Medical University of Ministry of Health of the Russian Federation, Rostov-on-Don, Russia
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109
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Heubel B, Nohe A. The Role of BMP Signaling in Osteoclast Regulation. J Dev Biol 2021; 9:24. [PMID: 34203252 PMCID: PMC8293073 DOI: 10.3390/jdb9030024] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/02/2021] [Accepted: 06/18/2021] [Indexed: 12/12/2022] Open
Abstract
The osteogenic effects of Bone Morphogenetic Proteins (BMPs) were delineated in 1965 when Urist et al. showed that BMPs could induce ectopic bone formation. In subsequent decades, the effects of BMPs on bone formation and maintenance were established. BMPs induce proliferation in osteoprogenitor cells and increase mineralization activity in osteoblasts. The role of BMPs in bone homeostasis and repair led to the approval of BMP2 by the Federal Drug Administration (FDA) for anterior lumbar interbody fusion (ALIF) to increase the bone formation in the treated area. However, the use of BMP2 for treatment of degenerative bone diseases such as osteoporosis is still uncertain as patients treated with BMP2 results in the stimulation of not only osteoblast mineralization, but also osteoclast absorption, leading to early bone graft subsidence. The increase in absorption activity is the result of direct stimulation of osteoclasts by BMP2 working synergistically with the RANK signaling pathway. The dual effect of BMPs on bone resorption and mineralization highlights the essential role of BMP-signaling in bone homeostasis, making it a putative therapeutic target for diseases like osteoporosis. Before the BMP pathway can be utilized in the treatment of osteoporosis a better understanding of how BMP-signaling regulates osteoclasts must be established.
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Affiliation(s)
- Brian Heubel
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Anja Nohe
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
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110
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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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111
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Friedrich RE, WÜsthoff F, Luebke AM, Kohlrusch FK, Wieland I, Zenker M, Gosau M. KRAS Mutation in an Implant-associated Peripheral Giant Cell Granuloma of the Jaw: Implications of Genetic Analysis of the Lesion for Treatment Concept and Surveillance. In Vivo 2021; 35:947-953. [PMID: 33622887 DOI: 10.21873/invivo.12335] [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: 11/22/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/16/2022]
Abstract
The aim of this case report was to detail diagnosis and therapy in a case of implant-associated peripheral giant cell granuloma (IA-PGCG) of the jaw. Case Report: The 41-year-old female attended the outpatient clinic for treatment of recurrent mandibular IA-PGCG. The lesion was excised and the defect was closed with a connective tissue graft of the palate. Healing of oral defects was uneventful, and no local recurrence has occurred during a follow-up of 7 months. Genetic examination of the lesion identified a somatic mutation in KRAS. Conclusion: The lesions are assessed as reactive-inflammatory changes in the mucous membrane of the oral cavity. The cause of the lesion is unknown. KRAS mutations are commonly found in various cancer tissues, but also in germline and mosaic RASopathies. Recently, KRAS mutations have been identified in several IA-PGCG. The clinical course of a frequently locally recurring lesion gives rise to the assumption that lesions of this type show characteristics known in benign neoplasms.
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Affiliation(s)
- Reinhard E Friedrich
- Department of Oral and Maxillofacial Surgery, Eppendorf University Hospital, University of Hamburg, Hamburg, Germany;
| | - Falk WÜsthoff
- Department of Oral and Maxillofacial Surgery, Eppendorf University Hospital, University of Hamburg, Hamburg, Germany
| | - Andreas M Luebke
- Institute of Pathology, Eppendorf University Hospital, University of Hamburg, Hamburg, Germany
| | - Felix K Kohlrusch
- Department of Oral and Maxillofacial Surgery, Eppendorf University Hospital, University of Hamburg, Hamburg, Germany
| | - Ilse Wieland
- Institute of Human Genetics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Martin Zenker
- Institute of Human Genetics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Martin Gosau
- Department of Oral and Maxillofacial Surgery, Eppendorf University Hospital, University of Hamburg, Hamburg, Germany
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112
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Chen D, Wang Q, Li Y, Sun P, Kuek V, Yuan J, Yang J, Wen L, Wang H, Xu J, Chen P. Notopterol Attenuates Estrogen Deficiency-Induced Osteoporosis via Repressing RANKL Signaling and Reactive Oxygen Species. Front Pharmacol 2021; 12:664836. [PMID: 34149419 PMCID: PMC8210423 DOI: 10.3389/fphar.2021.664836] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 04/20/2021] [Indexed: 12/31/2022] Open
Abstract
Integrity of the skeleton is sustained through the balanced activities of osteoblasts and osteoclasts in bone remodeling unit. The balance can be disrupted by excessive osteoclasts activation commonly seen in osteoporosis. Notopterol (NOT) is a main component of Notopterygium incisum which exerts a wide spectrum effect on biomedical pharmacology. In our study, we found NOT serves as an inhibitor in regulating RANKL-activated osteoclasts formation and bone resorption function by calculating tartrate resistant acid phosphatase (TRAcP) staining and hydroxyapatite resorption assays. Furthermore, RANKL-mediated signaling pathways including MAPK, NF-κB and calcium ossification were hampered, whereas ROS scavenging enzymes in Nrf2/Keap1/ARE signaling pathways were promoted by NOT. In addition, the activation of the essential transcription factor NFATc1 in RANKL-mediated osteoclastogenesis was almost totally suppressed by NOT. What is more, NOT diminished the loss of bone mass in preclinical model of OVX mice by blocking osteoclastogenesis determined by bone histomorphometry, TRAcP staining and H&E staining. Conclusively, our findings demonstrated that NOT could arrest osteoclastogenesis and bone resorptive activity by attenuating RANKL-mediated MAPK, NF-κB, calcium and NFATc1 signaling transduction pathways and enhancing ROS scavenging enzymes in Nrf2/Keap1/ARE pathways in vitro, and prohibit bone loss induced by OVX in vivo. Taken together, NOT may be identified to be a natural and novel treatment for osteolytic diseases.
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Affiliation(s)
- Delong Chen
- Department of Orthopaedic Surgery, Clifford Hospital, Jinan University, Guangzhou, China.,School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Qingqing Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying Li
- Department of Orthopaedic Surgery, Third Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ping Sun
- Department of Endocrinology, First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, China
| | - Vincent Kuek
- School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Jinbo Yuan
- School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Junzheng Yang
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Longfei Wen
- Department of Orthopaedic Surgery, Clifford Hospital, Jinan University, Guangzhou, China
| | - Haibin Wang
- Department of Orthopaedic Surgery, First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiake Xu
- School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Peng Chen
- Department of Orthopaedic Surgery, First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
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113
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Kim HY, Park JH, Kim MJ, Lee JH, Oh SH, Byun JH. The effects of VEGF-centered biomimetic delivery of growth factors on bone regeneration. Biomater Sci 2021; 9:3675-3691. [PMID: 33899852 DOI: 10.1039/d1bm00245g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
It is accepted that biomimetic supply of signaling molecules during bone regeneration can provide an appropriate environment for accelerated new bone formation. In this study, we developed a growth factor delivery system based on porous particles and a thermosensitive hydrogel that allowed fast, continuous, and delayed/continuous release of growth factors to mimic their biological production during bone regeneration. It was observed that the Continuous group (continuous release of growth factors) provides a better environment for the osteogenic differentiation of hPDCs than the Biomimetic group (biomimetic release of growth factors), and thus is anticipated to promote bone regeneration. However, contrary to expectation, the Biomimetic group promoted significant new bone formation compared to the Continuous group. From the systematic cell culture experiments, the initial supply of VEGF was considered to have more favorable effects on the osteoclastogenesis than osteogenesis, which may hinder bone regeneration. Our results indicated that the continuous supply of VEGF (in particular, at early stage) from VEGF-loaded biomaterial might not be conducive to new bone formation. Therefore, we suggest that a biomimetic supply of growth factors is a more pivotal parameter for sufficient tissue regeneration. Its use as a molecular delivery system may also serve as a useful tool for the investigation of biological processes and molecules during tissue regeneration processes.
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Affiliation(s)
- Ho Yong Kim
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Republic of Korea.
| | - Jin-Ho Park
- Department of Oral and Maxillofacial Surgery, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Institute of Health Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea. and Department of Convergence Medical Science, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Institute of Health Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Min Ji Kim
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Republic of Korea.
| | - Jin Ho Lee
- Department of Advanced Materials, Hannam University, Daejeon 34054, Republic of Korea
| | - Se Heang Oh
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Republic of Korea.
| | - June-Ho Byun
- Department of Oral and Maxillofacial Surgery, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Institute of Health Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea. and Department of Convergence Medical Science, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Institute of Health Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea
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114
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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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115
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Hong G, Chen Z, Han X, Zhou L, Pang F, Wu R, Shen Y, He X, Hong Z, Li Z, He W, Wei Q. A novel RANKL-targeted flavonoid glycoside prevents osteoporosis through inhibiting NFATc1 and reactive oxygen species. Clin Transl Med 2021; 11:e392. [PMID: 34047464 PMCID: PMC8140192 DOI: 10.1002/ctm2.392] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 03/31/2021] [Accepted: 04/07/2021] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND AND PURPOSE Osteoporosis is characterized by excessive bone resorption due to enhanced osteoclast activation. Stimulation of nuclear factor of activated T cells 1 (NFATc1) and accumulation of reactive oxygen species (ROS) are important mechanisms underlying osteoclastogenesis. Robinin (Rob) is a flavonoid glycoside that has shown anti-inflammatory and antioxidative effects in previous studies, but little is known about its effects on bone homeostasis. The purpose of our research was to investigate whether Rob could prevent bone resorption in ovariectomized (OVX) mice by suppressing osteoclast production through its underlying mechanisms. METHODS The docking pose of Rob and RANKL was identified by protein-ligand molecular docking. Rob was added to bone marrow macrophages (BMMs) stimulated by nuclear factor-κB (NF-κB) ligand (RANKL). The effects of Rob on osteoclastic activity were evaluated by positive tartrate resistant acid phosphatase (TRAcP) staining kit and hydroxyapatite resorption assay. RANKL-induced ROS generation in osteoclasts was detected by H2 DCFDA and MitoSox Red staining. The classic molecular cascades triggered by RANKL, such as NF-κB, ROS, calcium oscillations, and NFATc1-mediated signaling pathways, were investigated using Fluo4 staining, western blot, and quantitative real-time polymerase chain reaction. In addition, an OVX mouse model mimicking estrogen-deficient osteoporosis was created to evaluate the therapeutic effects of Rob in vivo. RESULTS Computational docking results showed that Rob could bind specifically to RANKL's predicted binding sites. In vitro, Rob inhibited RANKL-mediated osteoclastogenesis dose-dependently without obvious cytotoxicity at low concentrations. We also found that Rob attenuated RANKL-induced mitochondrial ROS production or enhanced activities of ROS-scavenging enzymes, and ultimately reduced intracellular ROS levels. Rob abrogated the RANKL-induced mitogen-activated protein kinase (MAPK) and NF-κB signaling pathways, and subsequently blocked NFATc1 signaling and TRAcP expression. In addition, Rob inhibited osteoclast proliferation by downregulating the expression of osteoclast target genes (Acp5, Cathepsin K, Atp6v0d2, Nfact1, c-Fos, and Mmp9) and reducing Ca2+ oscillations. Our in vivo results showed that Rob reduced bone resorption in OVX animal model by repressing osteoclast activity and function. CONCLUSIONS Rob inhibits the activation of osteoclasts by targeting RANKL and is therefore a potential osteoporosis drug.
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Affiliation(s)
- Guoju Hong
- Division of Orthopaedic SurgeryThe University of AlbertaEdmontonAlbertaCanada
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Zhenqiu Chen
- Department of OrthopaedicsThe First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Xiaorui Han
- Division of Bioengineering, School of MedicineSouth China University of TechnologyGuangzhouGuangdongP.R. China
| | - Lin Zhou
- Department of Endocrinologythe Fifth Affiliated Hospital of Guangzhou Medical UniversityGuangzhouGuangdongP.R. China
| | - Fengxiang Pang
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Rishana Wu
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Yingshan Shen
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Xiaoming He
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Zhinan Hong
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- Department of OrthopaedicsThe Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Ziqi Li
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- Department of OrthopaedicsThe Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Wei He
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- Department of OrthopaedicsThe Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
| | - Qiushi Wei
- Traumatology and Orthopedics InstituteGuangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
- Department of OrthopaedicsThe Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouGuangdongP.R. China
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Lumican Inhibits Osteoclastogenesis and Bone Resorption by Suppressing Akt Activity. Int J Mol Sci 2021; 22:ijms22094717. [PMID: 33946862 PMCID: PMC8124849 DOI: 10.3390/ijms22094717] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 12/24/2022] Open
Abstract
Lumican, a ubiquitously expressed small leucine-rich proteoglycan, has been utilized in diverse biological functions. Recent experiments demonstrated that lumican stimulates preosteoblast viability and differentiation, leading to bone formation. To further understand the role of lumican in bone metabolism, we investigated its effects on osteoclast biology. Lumican inhibited both osteoclast differentiation and in vitro bone resorption in a dose-dependent manner. Consistent with this, lumican markedly decreased the expression of osteoclastogenesis markers. Moreover, the migration and fusion of preosteoclasts and the resorptive activity per osteoclast were significantly reduced in the presence of lumican, indicating that this protein affects most stages of osteoclastogenesis. Among RANKL-dependent pathways, lumican inhibited Akt but not MAP kinases such as JNK, p38, and ERK. Importantly, co-treatment with an Akt activator almost completely reversed the effect of lumican on osteoclast differentiation. Taken together, our findings revealed that lumican inhibits osteoclastogenesis by suppressing Akt activity. Thus, lumican plays an osteoprotective role by simultaneously increasing bone formation and decreasing bone resorption, suggesting that it represents a dual-action therapeutic target for osteoporosis.
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117
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Influence of Angptl1 on osteoclast formation and osteoblastic phenotype in mouse cells. BMC Musculoskelet Disord 2021; 22:398. [PMID: 33910546 PMCID: PMC8082671 DOI: 10.1186/s12891-021-04278-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/15/2021] [Indexed: 01/19/2023] Open
Abstract
Background Osteoblasts and osteoclasts play important roles during the bone remodeling in the physiological and pathophysiological states. Although angiopoietin family Angiopoietin like proteins (Angptls), including Angptl1, have been reported to be involved in inflammation, lipid metabolism and angiogenesis, the roles of Angptl1 in bone have not been reported so far. Methods We examined the effects of Angptl1 on the osteoblast and osteoclast phenotypes using mouse cells. Results Angptl1 significantly inhibited the osteoclast formation and mRNA levels of tartrate-resistant acid phosphatase and cathepsin K enhanced by receptor activator of nuclear factor κB ligand in RAW 264.7 and mouse bone marrow cells. Moreover, Angptl1 overexpression significantly enhanced Osterix mRNA levels, alkaline phosphatase activity and mineralization induced by bone morphogenetic protein-2 in ST2 cells, although it did not affect the expression of osteogenic genes in MC3T3-E1 and mouse osteoblasts. On the other hand, Angptl1 overexpression significantly reduced the mRNA levels of peroxisome proliferator-activated receptor γ and adipocyte protein-2 as well as the lipid droplet formation induced by adipogenic medium in 3T3-L1 cells. Conclusions The present study first indicated that Angptl1 suppresses and enhances osteoclast formation and osteoblastic differentiation in mouse cells, respectively, although it inhibits adipogenic differentiation of 3T3-L1 cells. These data suggest the possibility that Angptl1 might be physiologically related to bone remodeling.
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118
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Shu H, Zhao H, Shi Y, Lu C, Li L, Zhao N, Lu A, He X. Transcriptomics-based analysis of the mechanism by which Wang-Bi capsule alleviates joint destruction in rats with collagen-induced arthritis. Chin Med 2021; 16:31. [PMID: 33845855 PMCID: PMC8042720 DOI: 10.1186/s13020-021-00439-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/14/2021] [Accepted: 03/25/2021] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic autoimmune disease accompanied with joint destruction that often leads to disability. Wang-Bi capsule (WB), a traditional Chinese medicine-based herbs formula, has exhibited inhibition effect on joint destruction of collagen-induced arthritis (CIA) animal model in our previous study. But its molecular mechanisms are still obscure. METHODS CIA rats were treated intragastrical with WB for eight weeks, and the effect of joints protection were evaluated by hematoxylin and eosin (H&E) staining, safranin O fast green staining, tartrate-resistant acid phosphatase (TRAP) staining and micro‑CT scanning analysis. The transcriptomic of tarsal joints were used to investigate how WB alleviated joint destruction. RESULTS The histological examination of ankle joints showed WB alleviated both cartilage damage and bone destruction of CIA rats. This protective effect on joints were further evidenced by micro-CT analysis. The transcriptomic analysis showed that WB prominently changed 12 KEGG signaling pathways ("calcium signaling pathway", "cAMP signaling pathway", "cell adhesion molecules", "chemokine signaling pathway", "complement and coagulation cascades", "MAPK signaling pathway", "NF-kappa B signaling pathway", "osteoclast differentiation", "PI3K-Akt signaling pathway", "focal adhesion", "Gap junction" and "Rap1 signaling pathway") associated with bone or cartilage. Several genes (including Il6, Tnfsf11, Ffar2, Plg, Tnfrsf11b, Fgf4, Fpr1, Siglec1, Vegfd, Cldn1, Cxcl13, Chad, Arrb2, Fgf9, Egfr) regulating bone resorption, bone formation and cartilage development were identified by further analysis. Meanwhile, these differentially expressed genes were validated by real-time quantitative PCR. CONCLUSIONS Overall, the protective effect of WB treatment on joint were confirmed in CIA rats, and its basic molecular mechanisms may be associated with regulating some genes (including Il6, Tnfsf11, Ffar2 and Plg etc.) involved in bone resorption, bone formation and cartilage development.
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Affiliation(s)
- Haiyang Shu
- The Second Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Hanxiao Zhao
- The Second Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Yingjie Shi
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Cheng Lu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Li Li
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Ning Zhao
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Aiping Lu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong.
| | - Xiaojuan He
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
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Li N, Li X, Zheng K, Bai J, Zhang W, Sun H, Ge G, Wang W, Wang Z, Gu Y, Xue Y, Xu Y, Geng D, Zhou J. Inhibition of Sirtuin 3 prevents titanium particle-induced bone resorption and osteoclastsogenesis via suppressing ERK and JNK signaling. Int J Biol Sci 2021; 17:1382-1394. [PMID: 33867853 PMCID: PMC8040473 DOI: 10.7150/ijbs.53992] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 03/20/2021] [Indexed: 12/12/2022] Open
Abstract
Implant-derived wear particles can be phagocytosed by local macrophages, triggering an inflammatory cascade that can drive the activation and recruitment of osteoclasts, thereby inducing peri-prosthetic osteolysis. Efforts to suppress pro-inflammatory cytokine release and osteoclastsogenesis thus represent primary approaches to treating and preventing such osteolysis. Sirtuin 3 (SIRT3) is a NAD+-dependent deacetylases that control diverse metabolic processes. However, whether SIRT3 could mitigate wear debris-induced osteolysis has not been reported. Herein we explored the impact of the SIRT3 on titanium particle-induced osteolysis. Tartrate resistant acid phosphatase (TRAP) staining revealed that the inhibition of SIRT3 suppressed nuclear factor-κB ligand (RANKL)-mediated osteoclasts activation in a dose-dependent fashion. Notably, inhibition of SIRT3 also suppressed matrix metallopeptidase 9 (MMP9) and nuclear factor of activated T‐cell cytoplasmic 1 (NFATc1) expression at the mRNA and protein levels, while also inhibiting the mRNA expression of dendritic cell-specific transmembrane protein (DC-STAMP), ATPase H+ Transporting V0 Subunit D2 (Atp6v0d2), TRAP and Cathepsin K (CTSK) . In addition, inhibition of SIRT3 suppressed titanium particle-induced tumor necrosis factor-alpha (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6) expression and prevented titanium particle-induced osteolysis and bone loss in vivo. This inhibition of osteoclasts differentiation was found to be linked to the downregulation and reduced phosphorylation of JNK and ERK. Taken together, inhibition of SIRT3 may be a potential target for titanium particle-induced bone loss.
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Affiliation(s)
- Ning Li
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Xiaoping Li
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Kai Zheng
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Jiaxiang Bai
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Weicheng Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Houyi Sun
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Gaoran Ge
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Wei Wang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Zhen Wang
- Department of Orthopaedics, Suzhou Kowloon Hospital Shanghai Jiao Tong University School of Medicine, Suzhou, Jiangsu 215006, China
| | - Ye Gu
- Department of Orthopedics, Soochow University Affiliated First People's, Hospital of Changshou City, Changshu, Jiangsu 215500, China
| | - Yi Xue
- Department of Orthopaedics, Changshu Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Suzhou, Jiangsu 215500, China
| | - Yaozeng Xu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Dechun Geng
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
| | - Jun Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu 215006, China
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Han SY, Kim JH, Jo EH, Kim YK. Eleutherococcus sessiliflorus Inhibits Receptor Activator of Nuclear Factor Kappa-B Ligand (RANKL)-Induced Osteoclast Differentiation and Prevents Ovariectomy (OVX)-Induced Bone Loss. Molecules 2021; 26:molecules26071886. [PMID: 33810474 PMCID: PMC8037005 DOI: 10.3390/molecules26071886] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/24/2021] [Accepted: 03/24/2021] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was to evaluate the effects of root bark of Eleutherococcus sessiliflorus (ES) on osteoclast differentiation and function in vitro and in vivo. In vitro, we found that ES significantly inhibited the RANKL-induced formation of TRAP-positive multinucleated osteoclasts and osteoclastic bone resorption without cytotoxic effects. ES markedly downregulated the expression of nuclear factor of activated T cells cytoplasmic 1 (NFATc1); c-Fos; and osteoclast-related marker genes, such as TRAP, osteoclast-associated receptor (OSCAR), matrix metalloproteinase-9 (MMP-9), calcitonin receptor, cathepsin K, the 38 kDa d2 subunit of the vacuolar H+-transporting lysosomal ATPase (Atp6v0d2), dendritic cell-specific transmembrane protein (DC-STAMP), and osteoclast-stimulatory transmembrane protein (OC-STAMP). These effects were achieved by inhibiting the RANKL-mediated activation of MAPK signaling pathway proteins, including p38, ERK, and JNK. In vivo, ES attenuated OVX-induced decrease in bone volume to tissue volume ratio (BV/TV), trabecular thickness (Tb.Th), trabecular number (Tb.N), and bone mineral density, but increased trabecular separation (Tb.Sp) in the femur. Collectively, our findings showed that ES inhibited RANKL-activated osteoclast differentiation in bone marrow macrophages and prevented OVX-mediated bone loss in rats. These findings suggest that ES has the potential to be used as a therapeutic agent for bone-related diseases, such as osteoporosis.
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Affiliation(s)
- Sang-Yong Han
- Department of Herbal Medicine, College of Pharmacy, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea;
- Wonkwang Oriental Medicines Research Institute, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
| | - June-Hyun Kim
- Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea;
| | - Eun-Heui Jo
- Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea;
- Research Center of Traditional Korean Medicine, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
- Correspondence: (E.-H.J.); (Y.-K.K.); Tel.: +82-63-850-6803 (Y.-K.K.); Fax: +82-63-850-6803 (Y.-K.K.)
| | - Yun-Kyung Kim
- Department of Herbal Medicine, College of Pharmacy, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea;
- Wonkwang Oriental Medicines Research Institute, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
- Correspondence: (E.-H.J.); (Y.-K.K.); Tel.: +82-63-850-6803 (Y.-K.K.); Fax: +82-63-850-6803 (Y.-K.K.)
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Mahmoud MAA, Saleh DO, Safar MM, Agha AM, Khattab MM. Chloroquine ameliorates bone loss induced by d-galactose in male rats via inhibition of ERK associated osteoclastogenesis and antioxidant effect. Toxicol Rep 2021; 8:366-375. [PMID: 33665135 PMCID: PMC7905189 DOI: 10.1016/j.toxrep.2021.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 02/11/2021] [Accepted: 02/11/2021] [Indexed: 12/13/2022] Open
Abstract
Cloroquine (CQ) has reduced the adverse bone changes caused by d-galactose. It improved bone health, switched off nuclear factor kappa-B ligand (RANKL) receptor activator activation and decreased ERK bone expression. CQ treatment inhibited osteoclastogenesis and consequently restored the RANKL/OPG ratio. CQ demonstrated an antioxidant effect in bone where it increased both catalase (CAT) and superoxide dismutase (SOD). CQ is a possible anti-osteoporotic agent through the suppression of osteoclastogenesis associated with ERK.
Chloroquine (CQ); a lysosomotropic agent used for decade ago as anti-malarial, was tested against aging induced osteoporosis. Osteoporosis in male rats was induced using d-galactose (D-gal) as a reducing sugar at a dose of 200 mg/kg/day; i.p. Osteoporotic rats were orally treated with CQ (10 mg/kg/day) for four successive weeks. Bone densitometry of tibia and femur were evaluated. Bone formation biomarkers; osteoprotegrin (OPG), bone specific alkaline phosphatse (BALP), and osteocalcin (OCN), and bone resorption biomarker; receptor activator of nuclear factor kappa-B ligand (RANKL), cathepsin-k (CTSK), tartrate-resistant acid phosphatase (TRAP) were estimated. Moreover, the expression of extracellular regulated kinase (ERK) in bone was determined. CQ ameliorated the bone detrimental changes induced by d-galactose. It enhanced bone health as revealed by measurement of bone densitometry, halted the activation of receptor activator of nuclear factor kappa-B ligand (RANKL) and reduced bone manifestation of ERK. Furthermore, CQ treatment abated serum cathepsin-k (CTSK) and serum tartrate-resistant acid phosphatase (TRAP) thus inhibited osteoclastogenesis and consequently restored the RANKL/OPG ratio. CQ demonstrated an antioxidant effect in bone where it increased both Catalase (CAT) and Superoxide dismutase (SOD). These CQ preserving effect in rats treated with d-galactose were confirmed by the histopathological examination. The present study points to the potential therapeutic effect of CQ as anti-osteoporotic agent possibly through its antioxidant effects and suppression of ERK associated osteoclastogenesis.
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Affiliation(s)
| | - Dalia O Saleh
- Department of Pharmacology, Medical Division, National Research Centre, Giza, Egypt
| | - Marwa M Safar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.,Department of Pharmacology and Biochemistry, Faculty of Pharmacy, The British University in Egypt, Egypt
| | - Azza M Agha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mahmoud M Khattab
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Tavares SJS, Lima V. Bone anti-resorptive effects of coumarins on RANKL downstream cellular signaling: a systematic review of the literature. Fitoterapia 2021; 150:104842. [PMID: 33556550 DOI: 10.1016/j.fitote.2021.104842] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/27/2020] [Accepted: 01/13/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Members of the botanical families Apiaceae/Umbelliferae, Asteraceae, Fabaceae/Leguminosae, and Thymelaeaceae are rich in coumarins and have traditionally been used as ethnomedicines in many regions including Europe, Asia, and South America. Coumarins are a class of secondary metabolites that are widely present in plants, fungi, and bacteria and exhibit several pharmacological, biochemical, and therapeutic effects. Recently, many plants rich in coumarins and their derivatives were found to affect bone metabolism. OBJECTIVE To review scientific literature describing the mechanisms of action of coumarins in osteoclastogenesis and bone resorption. MATERIALS AND METHODS For this systematic review, the PubMed, Scopus, and Periodical Capes databases and portals were searched. We included in vitro research articles published between 2010 and 2020 that evaluated coumarins using osteoclastogenic markers. RESULTS Coumarins have been reported to downregulate RANKL-RANK signaling and various downstream signaling pathways required for osteoclast development, such as NF-κB, MAPK, Akt, and Ca2+ signaling, as well as pathways downstream of the nuclear factor of activated T-cells (NFATc1), including tartrate-resistant acid phosphatase (TRAP), cathepsin K (CTSK), and matrix metalloproteinase 9 (MMP-9). CONCLUSIONS Coumarins primarily inhibit osteoclast differentiation and activation by modulating different intracellular signaling pathways; therefore, they could serve as potential candidates for controlled randomized clinical trials aimed at improving human bone health.
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Affiliation(s)
- Samia Jessica Silva Tavares
- School of Pharmacy, Nursing, and Dentistry, Federal University of Ceará, Fortaleza, Ceará 60430-355, Brazil.
| | - Vilma Lima
- School of Medicine, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Ceará 60.430-275, Brazil.
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Zhi X, Chen Q, Song S, Gu Z, Wei W, Chen H, Chen X, Weng W, Zhou Q, Cui J, Cao L. Myostatin Promotes Osteoclastogenesis by Regulating Ccdc50 Gene Expression and RANKL-Induced NF-κB and MAPK Pathways. Front Pharmacol 2021; 11:565163. [PMID: 33536903 PMCID: PMC7849192 DOI: 10.3389/fphar.2020.565163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 11/05/2020] [Indexed: 11/30/2022] Open
Abstract
Myostatin is a crucial cytokine that is widely present in skeletal muscle and that negatively regulates the growth and development of muscle cells. Recent research has shown that myostatin might play an essential role in bone metabolism. In RAW264.7 cells and bone marrow monocytes (BMMCs), myostatin activates the expression of the II type receptor ActR II B. Here, we report that myostatin significantly promoted RANKL/M-CSF-induced osteoclastogenesis and activated NF-κB and MAPK pathways in vitro via the Ccdc50 gene. Overexpression of myostatin promoted osteoclastogenesis and osteoclastogenesis-related markers including c-Src, MMP9, CTR, CK, and NFATc1. Specifically, myostatin increased the phosphorylation of Smad2, which led to the activation of NF-κB and MAPK pathways to activate osteoclastogenesis. Ccdc50 was identified as a gene whose expression was highly decreased in osteoclastogenesis upon myostatin treatment, and it could inhibit the function of myostatin in osteoclastogenesis by blocking NF-κB and MAPKs pathways. Our study indicates that myostatin is a promising candidate target for inhibiting RANKL-mediated osteoclastogenesis and might participate in therapy for osteoporosis, and that the Ccdc50 gene plays a significant role in the regulatory process.
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Affiliation(s)
- Xin Zhi
- Department of Orthopedics, PLA General Hospital, Beijing, China
| | - Qian Chen
- Basic Medical School, Naval Military Medical University, Shanghai, China
| | - Shaojun Song
- Department of Emergency, General Hospital of Central Theather Command, Wuhan, China
| | - Zhengrong Gu
- Department of Orthopedics, Shanghai Baoshan Luodian Hospital, Shanghai, China
| | - Wenqiang Wei
- Department of Orthopedics, Shanghai Baoshan Luodian Hospital, Shanghai, China
| | - Huiwen Chen
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Xiao Chen
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Weizong Weng
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Qirong Zhou
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Jin Cui
- Department of Orthopedics Trauma, Shanghai Changhai Hospital, Naval Military Medical University, Shanghai, China
| | - Liehu Cao
- Department of Orthopedics, Shanghai Baoshan Luodian Hospital, Shanghai, China
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Jung JI, Baek SM, Nguyen TH, Kim JW, Kang CH, Kim S, Imm JY. Effects of Probiotic Culture Supernatant on Cariogenic Biofilm Formation and RANKL-Induced Osteoclastogenesis in RAW 264.7 Macrophages. Molecules 2021; 26:molecules26030733. [PMID: 33572576 PMCID: PMC7867007 DOI: 10.3390/molecules26030733] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
Postbiotics are a promising functional ingredient that can overcome the limitations of viability and storage stability that challenge the production of probiotics. To evaluate the effects of postbiotics on oral health, eight spent culture supernatants (SCSs) of probiotics were prepared, and the effects of SCSs on Streptococcus mutans-induced cariogenic biofilm formation and the receptor activator of the nuclear factor κB ligand (RANKL)-induced osteoclastogenesis were evaluated in RAW 264.7 macrophages. SCS of Lactobacillus salivarius MG4265 reduced S. mutans-induced biofilm formation by 73% and significantly inhibited tartrate-resistant acid phosphatase (TRAP) activity, which is a biomarker of mature osteoclasts in RAW 264.7 macrophages. The suppression of RANKL-induced activation of mitogen activated the protein kinases (c-Jun N-terminal kinase, extracellular signal-regulated kinase, and p38) and nuclear factor κB pathways, as well as the upregulation of heme oxygenase-1 expression. The suppression of RANK-L-induced activation of mitogen also inhibited the expression of transcriptional factors (c-fos and nuclear factor of activated T cells cytoplasmic 1) and, subsequently, osteoclastogenesis-related gene expression (tartrate-resistant acid phosphatase-positive (TRAP), cathepsin K, and matrix metalloproteinase-9).Therefore, SCS of L. salivarius MG4265 has great potential as a multifunctional oral health ingredient that inhibits biofilm formation and suppresses the alveolar bone loss that is associated with periodontitis.
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Affiliation(s)
- Jae-In Jung
- Department of Foods and Nutrition, Kookmin University, Seoul 02707, Korea; (J.-I.J.); (S.-M.B.)
| | - Seung-Min Baek
- Department of Foods and Nutrition, Kookmin University, Seoul 02707, Korea; (J.-I.J.); (S.-M.B.)
| | - Trung Hau Nguyen
- MEDIOGEN, Co., Ltd., Jecheon 27159, Korea; (T.H.N.); (J.W.K.); (C.-H.K.); (S.K.)
| | - Jin Woo Kim
- MEDIOGEN, Co., Ltd., Jecheon 27159, Korea; (T.H.N.); (J.W.K.); (C.-H.K.); (S.K.)
| | - Chang-Ho Kang
- MEDIOGEN, Co., Ltd., Jecheon 27159, Korea; (T.H.N.); (J.W.K.); (C.-H.K.); (S.K.)
| | - Seonyoung Kim
- MEDIOGEN, Co., Ltd., Jecheon 27159, Korea; (T.H.N.); (J.W.K.); (C.-H.K.); (S.K.)
| | - Jee-Young Imm
- Department of Foods and Nutrition, Kookmin University, Seoul 02707, Korea; (J.-I.J.); (S.-M.B.)
- Correspondence: ; Tel.: +82-10-2526-1219
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Chou H, Grant MP, Bolt AM, Guilbert C, Plourde D, Mwale F, Mann KK. Tungsten Increases Sex-Specific Osteoclast Differentiation in Murine Bone. Toxicol Sci 2021; 179:135-146. [PMID: 33146397 PMCID: PMC7797767 DOI: 10.1093/toxsci/kfaa165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Tungsten is a naturally occurring metal that is increasingly used in industry and medical devices, and is labeled as an emerging environmental contaminant. Like many metals, tungsten accumulates in bone. Our previous data indicate that tungsten decreases differentiation of osteoblasts, bone-forming cells. Herein, we explored the impact of tungsten on osteoclast differentiation, which function in bone resorption. We observed significantly elevated osteoclast numbers in the trabecular bone of femurs following oral exposure to tungsten in male, but not female mice. In order to explore the mechanism(s) by which tungsten increases osteoclast number, we utilized in vitro murine primary and cell line pre-osteoclast models. Although tungsten did not alter the adhesion of osteoclasts to the extracellular matrix protein, vitronectin, we did observe that tungsten enhanced RANKL-induced differentiation into tartrate-resistant acid phosphatase (TRAP)-positive mononucleated osteoclasts. Importantly, tungsten alone had no effect on differentiation or on the number of multinucleated TRAP-positive osteoclasts. Enhanced RANKL-induced differentiation correlated with increased gene expression of differentiated osteoclast markers Nfatc1, Acp5, and Ctsk. Although tungsten did not alter the RANK surface receptor expression, it did modulate its downstream signaling. Co-exposure of tungsten and RANKL resulted in sustained positive p38 signaling. These findings demonstrate that tungsten enhances sex-specific osteoclast differentiation, and together with previous findings of decreased osteoblastogenesis, implicate tungsten as a modulator of bone homeostasis.
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Affiliation(s)
- Hsiang Chou
- Division of Experimental Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Michael P Grant
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Alicia M Bolt
- College of Pharmacy, Department of Pharmaceutical Sciences, University of New Mexico, Albuquerque 87131, New Mexico
| | - Cynthia Guilbert
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Dany Plourde
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Fackson Mwale
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
- Department of Experimental Surgery, McGill University, Montreal, Quebec H3G 1A4, Canada
| | - Koren K Mann
- Division of Experimental Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, Quebec H4A 3T2, Canada
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Cherian P, Al-Khairi I, Jamal M, Al-Sabah S, Ali H, Dsouza C, Alshawaf E, Al-Ali W, Al-Khaledi G, Al-Mulla F, Abu-Farha M, Abubaker J. Association Between Factors Involved in Bone Remodeling (Osteoactivin and OPG) With Plasma Levels of Irisin and Meteorin-Like Protein in People With T2D and Obesity. Front Endocrinol (Lausanne) 2021; 12:752892. [PMID: 34777249 PMCID: PMC8588843 DOI: 10.3389/fendo.2021.752892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/08/2021] [Indexed: 01/05/2023] Open
Abstract
The musculoskeletal system consisting of bones and muscles have been recognized as endocrine organs secreting hormones that are involved in regulating metabolic and inflammatory pathways. Obesity and type 2 diabetes (T2D) are associated with several musculoskeletal system complications. We hypothesized that an interaction exists between adipomyokines namely, irisin and METRNL, and various molecules involved in bone remodeling in individuals with obesity and T2D. A total of 228 individuals were enrolled in this study, including 124 non-diabetic (ND) and 104 T2D. A Multiplex assay was used to assess the level of various osteogenic molecules namely osteoactivin, Syndecan, osteoprotegerin (OPG) and osteonectin/SPARC. Our data shows elevated levels of Osteoactivin, Syndecan, OPG and SPARC in T2D as compared to ND individuals (p ≤ 0.05). Using Spearman's correlation, a positive correlation was observed between irisin and Osteoactivin as well as OPG (p < 0.05). Similarly, a positive association was observed between METRNL and Osteoactivin (p < 0.05). The strong positive association shown in this study between irisin, METRNL and various molecules with osteogenic properties emphasize a possible interaction between these organs. This report suggests that having a dysregulation in the level of the aforementioned molecules could potentially affect the development of bone and muscle related complications that are associated with obesity and T2D.
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Affiliation(s)
- Preethi Cherian
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Irina Al-Khairi
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohammad Jamal
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Suleiman Al-Sabah
- Department of Pharmacology & Toxicology, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Hamad Ali
- Department of Genetic and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Carol Dsouza
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Eman Alshawaf
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Waleed Al-Ali
- Department of Surgery, Faculty of Medicine, Health Sciences Centre, Kuwait University, Sulaibekhat, Kuwait
| | - Ghanim Al-Khaledi
- Department of Pharmacology & Toxicology, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Fahd Al-Mulla
- Department of Genetic and Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
- *Correspondence: Mohamed Abu-Farha, ; Jehad Abubaker,
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
- *Correspondence: Mohamed Abu-Farha, ; Jehad Abubaker,
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Jang HY, Lee HS, Noh EM, Kim JM, You YO, Lee G, Koo JH, Lim H, Ko S, Kim JS, Lee JH, Lee YR. Aqueous extract of Chrysanthemum morifolium Ramat. inhibits RANKL-induced osteoclast differentiation by suppressing the c-fos/NFATc1 pathway. Arch Oral Biol 2020; 122:105029. [PMID: 33387850 DOI: 10.1016/j.archoralbio.2020.105029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/08/2020] [Accepted: 12/16/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE The flower of chrysanthemum, used worldwide as a medicinal and edible product, has shown various bioactivities, such as anti-inflammatory, antioxidant, anti-tumorigenic, and hepatoprotective activities, as well as cardiovascular protection. However, the effect of Chrysanthemum morifolium Ramat. on the regulation of osteoclast differentiation has not yet been reported. In this study, we aimed to investigate the inhibitory effect of Chrysanthemum morifolium Ramat. water extract (CME) on RANKL-induced osteoclast differentiation in mouse bone marrow-derived macrophages (BMMs). STUDY DESIGN Bone marrow-derived macrophages (BMMs) isolated from the C57BL/6 J mice. The viability of BMMs was detected with MTT assays. Inhibitory effects of CME on osteoclast differentiation and bone resorption was measured by TRAP staining and Pit assay. Osteoclast differentiation-associated gene expression were assessed by Real-time quantitative polymerase chain reaction. Intracellular signaling molecules was assessed by western blot. RESULTS CME significantly inhibited osteoclast differentiation in BMMs without cytotoxicity, besides inhibiting MAPK/c-fos and PLCγ2/CREB activation. The inhibitory effects of CME on differentiation-related signaling molecules resulted in significant repression of NFATc1 expression, which is a key transcription factor in osteoclast differentiation, fusion, and activation. CONCLUSION Our results confirmed the inhibition of RANKL-induced PLCγ2/CREB/c-fos/NFATc1 activation by CME during osteoclast differentiation. The findings collectively suggested CME as a traditional therapeutic agent for osteoporosis, RA, and periodontitis.
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Affiliation(s)
- Hye-Yeon Jang
- Department of Biochemistry, Institute of Medical Science, Jeonbuk National University Medical School, Jeonju, Jeollabuk 54896, Republic of Korea
| | - Hwa-Suk Lee
- Department of Obstetrics and Gynecology, Jeonbuk National University Medical School, Jeonju, Jeollabuk 54896, Republic of Korea
| | - Eun-Mi Noh
- Department of Oral Biochemistry, Institute of Biomaterial-Implant, College of Dentistry, Wonkwang University, 460, Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Jeong-Mi Kim
- Department of Oral Biochemistry, Institute of Biomaterial-Implant, College of Dentistry, Wonkwang University, 460, Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Yong-Ouk You
- Department of Oral Biochemistry, Institute of Biomaterial-Implant, College of Dentistry, Wonkwang University, 460, Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Guemsan Lee
- Department of Herbology, Wonkwang University School of Korean Medicine, Wonkwang University, 460, Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Jeung-Hyun Koo
- Department of Anesthesiology and Pain Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Hyungsun Lim
- Department of Anesthesiology and Pain Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Seonghoon Ko
- Department of Anesthesiology and Pain Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Jong-Suk Kim
- Department of Biochemistry, Institute of Medical Science, Jeonbuk National University Medical School, Jeonju, Jeollabuk 54896, Republic of Korea
| | - Jun Ho Lee
- Department of Anesthesiology and Pain Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Jeonbuk 54896, Republic of Korea.
| | - Young-Rae Lee
- Department of Oral Biochemistry, Institute of Biomaterial-Implant, College of Dentistry, Wonkwang University, 460, Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea.
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Chen Z, Cho E, Ding M, Seong J, Che X, Lee S, Park BJ, Choi JY, Lee TH. N-[2-(4-benzoyl-1-piperazinyl)phenyl]-2-(4-chlorophenoxy) acetamide is a novel inhibitor of resorptive bone loss in mice. J Cell Mol Med 2020; 25:1425-1438. [PMID: 33369010 PMCID: PMC7875930 DOI: 10.1111/jcmm.16228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 11/25/2020] [Accepted: 12/08/2020] [Indexed: 12/13/2022] Open
Abstract
The dynamic balance between bone formation and bone resorption is vital for the retention of bone mass. The abnormal activation of osteoclasts, unique cells that degrade the bone matrix, may result in many bone diseases such as osteoporosis. Osteoporosis, a bone metabolism disease, occurs when extreme osteoclast‐mediated bone resorption outstrips osteoblast‐related bone synthesis. Therefore, it is of great interest to identify agents that can regulate the activity of osteoclasts and prevent bone loss‐induced bone diseases. In this study, we found that N‐[2‐(4‐benzoyl‐1‐piperazinyl)phenyl]‐2‐(4‐chlorophenoxy) acetamide (PPOAC‐Bz) exerted a strong inhibitory effect on osteoclastogenesis. PPOAC‐Bz altered the mRNA expressions of several osteoclast‐specific marker genes and blocked the formation of mature osteoclasts, suppressing F‐actin belt formation and bone resorption activity in vitro. In addition, PPOAC‐Bz prevented OVX‐induced bone loss in vivo. These findings highlighted the potential of PPOAC‐Bz as a prospective drug for the treatment of osteolytic disorders.
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Affiliation(s)
- Zhihao Chen
- Department of Molecular Medicine, Chonnam National University Graduate School, Gwangju, Korea
| | - Eunjin Cho
- Department of Oral Biochemistry, Dental Science Research Institute, Korea Mouse Phenotyping Center, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Mina Ding
- Department of Molecular Medicine, Chonnam National University Graduate School, Gwangju, Korea
| | - Jihyoun Seong
- Department of Oral Biochemistry, Dental Science Research Institute, Korea Mouse Phenotyping Center, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Xiangguo Che
- Department of Biochemistry and Cell Biology, Cell and Matrix Research Institute, Korea Mouse Phenotyping Center, KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju, Korea
| | - Byung-Ju Park
- Department of Oral Biochemistry, Dental Science Research Institute, Korea Mouse Phenotyping Center, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Je-Yong Choi
- Department of Biochemistry and Cell Biology, Cell and Matrix Research Institute, Korea Mouse Phenotyping Center, KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Tae-Hoon Lee
- Department of Molecular Medicine, Chonnam National University Graduate School, Gwangju, Korea.,Department of Oral Biochemistry, Dental Science Research Institute, Korea Mouse Phenotyping Center, School of Dentistry, Chonnam National University, Gwangju, Korea
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129
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Hara S, Nagai-Yoshioka Y, Yamasaki R, Adachi Y, Fujita Y, Watanabe K, Maki K, Nishihara T, Ariyoshi W. Dectin-1-mediated suppression of RANKL-induced osteoclastogenesis by glucan from baker's yeast. J Cell Physiol 2020; 236:5098-5107. [PMID: 33305824 DOI: 10.1002/jcp.30217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 12/31/2022]
Abstract
Immunoreceptors expressed on osteoclast precursor cells modify osteoclast differentiation and bone resorption activity. Dectin-1 is a lectin receptor of β-glucan and is specifically expressed in osteoclast precursor cells. In this study, we evaluated the bioactivity of β-glucan on receptor activator of nuclear factor-kappa B ligand (RANKL)-induced osteoclastogenesis and observed that glucan from baker's yeast inhibited this process in mouse bone marrow cells and dectin-1-overexpressing RAW264.7 (d-RAW) cells. In conjunction, RANKL-induced nuclear factor of activated T cell c1 expression was suppressed, subsequently downregulating TRAP and Oc-stamp. Additionally, nuclear factor-kappa B activation and the expression of c-fos and Blimp1 were reduced in d-RAW cells. Furthermore, glucan from baker's yeast induced the degradation of Syk protein, essential factor for osteoclastogenesis. These results suggest that glucan from baker's yeast suppresses RANKL-induced osteoclastogenesis and can be applied as a new treatment strategy for bone-related diseases.
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Affiliation(s)
- Shiika Hara
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan.,Division of Developmental Stomatognathic Function Science, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Yoshie Nagai-Yoshioka
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Ryota Yamasaki
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Yoshiyuki Adachi
- Laboratory for Immunopharmacology of Microbial Products, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Yuko Fujita
- Division of Developmental Stomatognathic Function Science, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Kouji Watanabe
- Division of Developmental Stomatognathic Function Science, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Kenshi Maki
- Division of Developmental Stomatognathic Function Science, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | | | - Wataru Ariyoshi
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
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130
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Lee HY, Cho KM, Kim MK, Lee M, Kim H, Choi CY, Kim KK, Park JS, Kim HH, Bae YS. Sphingosylphosphorylcholine blocks ovariectomy-induced bone loss by suppressing Ca 2+ /calmodulin-mediated osteoclast differentiation. J Cell Mol Med 2020; 25:473-483. [PMID: 33230972 PMCID: PMC7810965 DOI: 10.1111/jcmm.16101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/29/2020] [Accepted: 11/01/2020] [Indexed: 12/19/2022] Open
Abstract
Osteoporosis is a disease in which bone mineral density decreases due to abnormal activity of osteoclasts, and is commonly found in post‐menopausal women who have decreased levels of female hormones. Sphingosylphosphorylcholine (SPC) is an important biological lipid that can be converted to sphingosine‐1‐phosphate (S1P) by autotaxin. S1P is known to be involved in osteoclast activation by stimulating osteoblasts, but bone regulation by SPC is not well understood. In this study, we found that SPC strongly inhibits RANKL‐induced osteoclast differentiation. SPC‐induced inhibitory effects on osteoclast differentiation were not affected by several antagonists of S1P receptors or pertussis toxin, suggesting cell surface receptor independency. However, SPC inhibited RANKL‐induced calcineurin activation and subsequent NFATc1 activity, leading to decrease of the expression of Trap and Ctsk. Moreover, we found that bone loss in an experimental osteoporosis mouse model was recovered by SPC injection. SPC also blocked ovariectomy‐induced body weight increase and Nfatc1 gene expression in mice. We also found that SPC inhibits RANKL‐induced osteoclast differentiation in human macrophages. Since currently available treatments for osteoporosis, such as administration of female hormones or hormone receptor modulators, show serious side effects, SPC has potential as a new agent for osteoporosis treatment.
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Affiliation(s)
- Ha Young Lee
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Kwang Min Cho
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Min Kyung Kim
- Department of Cell and Developmental Biology, BK21 Program and Dental Research Institute, Seoul National University, Seoul, Korea
| | - Mingyu Lee
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea
| | - Hun Kim
- Department of Precision Medicine, Institute for Antimicrobial Resistance Research and Therapeutics, Sungkyunkwan University School of Medicine, Suwon, Korea
| | - Cheol Yong Choi
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Kyeong Kyu Kim
- Department of Precision Medicine, Institute for Antimicrobial Resistance Research and Therapeutics, Sungkyunkwan University School of Medicine, Suwon, Korea
| | - Joon Seong Park
- Department of Hematology-Oncology, Ajou University School of Medicine, Suwon, Korea
| | - Hong-Hee Kim
- Department of Cell and Developmental Biology, BK21 Program and Dental Research Institute, Seoul National University, Seoul, Korea
| | - Yoe-Sik Bae
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea.,Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea
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131
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Li L, Park YR, Shrestha SK, Cho HK, Soh Y. Suppression of Inflammation, Osteoclastogenesis and Bone Loss by PZRAS Extract. J Microbiol Biotechnol 2020; 30:1543-1551. [PMID: 32807758 PMCID: PMC9728228 DOI: 10.4014/jmb.2004.04016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/10/2020] [Accepted: 08/12/2020] [Indexed: 12/15/2022]
Abstract
Panax ginseng has a wide range of activities including a neuroprotective effect, skin protective effects, enhanced DNA repairing, anti-diabetic activity, and protective effects against vascular inflammation. In the present study, we sought to discover the inhibitory effects of a mixture of natural products containing Panax ginseng, Ziziphus jujube, Rubi fructus, Artemisiae asiaticae and Scutellaria baicalensis (PZRAS) on osteoclastogenesis and bone remodeling, as neither the effects of a mixture containing Panax ginseng extract, nor its molecular mechanism on bone inflammation, have been clarified yet. PZRAS upregulated the levels of catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GSH-R) and glutathione peroxidase (GSH-Px) and reduced malondialdehyde (MDA) in LPS-treated RAW264.7 cells. Moreover, treatment with PZRAS decreased the production of IL-1β and TNF-α. PZRAS also inhibited osteoclast differentiation through inhibiting osteoclastspecific genes like MMP-2, 9, cathepsin K, and TRAP in RANKL-treated RAW264.7 cells. Additionally, PZRAS has inhibitory functions on the RANKL-stimulated activation of ERK and JNK, which lead to a decrease in the expression of NFATc1 and c-Fos. In an in vivo study, bone resorption induced by LPS was recovered by treatment with PZRAS in bone volume per tissue volume (BV/TV) compared to control. Furthermore, the ratio of eroded bone surface of femurs was significantly increased in LPStreated mice compared to vehicle group, but this ratio was significantly reversed in PZRAS-treated mice. These results suggest that PZRAS could prevent or treat disorders with abnormal bone loss.
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Affiliation(s)
- Liang Li
- Department of Dental Pharmacology, School of Dentistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Young-Ran Park
- Department of Dental Pharmacology, School of Dentistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Saroj Kumar Shrestha
- Department of Dental Pharmacology, School of Dentistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Hyoung-Kwon Cho
- Hanpoong Pharm and Foods Co., Ltd., Jeonju 561-841, Republic of Korea
| | - Yunjo Soh
- Department of Dental Pharmacology, School of Dentistry, Jeonbuk National University, Jeonju 54896, Republic of Korea,Department of Pharmacology, School of Pharmacy and Institute of New Drug Development, Jeonbuk National University, Jeonju 54896, Republic of Korea,Corresponding author Phone: +82-63-270-4038 Fax: +82-63-270-4037 E-mail:
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132
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PERK controls bone homeostasis through the regulation of osteoclast differentiation and function. Cell Death Dis 2020; 11:847. [PMID: 33051453 PMCID: PMC7554039 DOI: 10.1038/s41419-020-03046-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 12/17/2022]
Abstract
Osteoclasts are multinucleated giant cells with the ability to degrade bone tissue, and are closely related to abnormal bone metabolic diseases. Endoplasmic reticulum (ER) is an organelle responsible for protein modification, quality control, and transportation. The accumulation of unfolded or misfolded proteins in ER cavity induces ER stress. Double-stranded RNA-dependent protein kinase-like ER kinase (PERK) is an ER stress-sensing protein, which is ubiquitous in eukaryotic cells. Systemic PERK knockout mice show severe bone loss, suggesting that PERK is of great significance for maintaining the normal growth and development of bone tissue, but the role of PERK in osteoclastogenesis is still unclear. In this study, we found that PERK was significantly activated during RANKL-induced osteoclast differentiation; knockdown of PERK by siRNA and inhibition of PERK by GSK2606414, respectively, had significant negative regulatory effects on the formation and bone resorption of osteoclasts. PERK inhibitor GSK2606414 down-regulated the mRNA levels and protein expression of osteoclast differentiation marker genes, and inhibited RANKL-induced activation of Mitogen-activated protein kinase (MAPK) and nuclear factor κB (NF-κB) pathways. Treatment with PERK inhibitor GSK2606414 in ovariectomized mouse model significantly suppressed bone loss and osteoclast formation. Thapsigargin activated ER stress to enhance autophagy, while GSK2606414 had a significant inhibitory effect on autophagy flux and autophagosome formation. Antioxidant N-acetylcysteine (NAC) could inhibit the expression of PERK phosphorylation, osteoclast-related proteins and autophagy-related proteins, but the use of PERK activator CCT020312 can reverse inhibition effect of NAC. Our findings demonstrate a key role for PERK in osteoclast differentiation and suggest its therapeutic potential.
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133
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Lin S, Zhao XL, Wang Z. TANK-binding kinase 1 mediates osteoclast differentiation by regulating NF-κB, MAPK and Akt signaling pathways. Immunol Cell Biol 2020; 99:223-233. [PMID: 32896936 DOI: 10.1111/imcb.12401] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 12/02/2019] [Accepted: 09/06/2020] [Indexed: 12/16/2022]
Abstract
TANK-binding kinase 1 (TBK1) belongs to the noncanonical IκB kinase (IKK) family. The ubiquitously expressed protein is well known to play a pivotal role in innate immune response and inflammation. Although excessive inflammatory activities have been shown to affect osteoclast (OC) differentiation and function, direct relevance of TBK1 in bone turnover is not known. In this work, we specifically altered the TBK1 protein level by knocking down or overexpressing it without affecting its homologous protein IKKε expression, and demonstrated the effect of TBK1 on OC differentiation in bone marrow macrophages (BMMs) and RAW264.7 cells upon induction by receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL). TBK1 knockdown was found to markedly inhibit the OC differentiation and function, while TBK1 overexpression enhanced OC formation. Downregulation of TBK1 greatly suppressed RANKL-induced gene expression of Mmp9, Atp6v0d2, Acp5, Ctsk andNfatc1 involved in the regulation of OC formation and function in both BMM and RAW264.7 cells. Mechanistic studies indicated that TBK1 affected the NF-κB signaling pathway as well as mitogen-activated protein kinases (MAPKs) and protein kinase B (Akt) activation during OC differentiation. Moreover, the protein level of TNF receptor-associated factor 6 (TRAF6) was increased, and the interaction of TRAF6 with TBK1 was potentiated, by RANKL. Collectively, we provide direct evidence showing that TBK1 effectively mediates OC differentiation and function by regulating NF-κB, MAPKs and Akt signals. A TBK1-targeted therapeutic strategy may be useful for the treatment of bone-related disorders.
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Affiliation(s)
- Shuai Lin
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao-Li Zhao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhen Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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134
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Park PSU, Mun SH, Zeng SL, Kim H, Bae S, Park-Min KH. NRF2 Is an Upstream Regulator of MYC-Mediated Osteoclastogenesis and Pathological Bone Erosion. Cells 2020; 9:E2133. [PMID: 32967239 PMCID: PMC7564846 DOI: 10.3390/cells9092133] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/07/2020] [Accepted: 09/17/2020] [Indexed: 12/30/2022] Open
Abstract
Osteoclasts are the sole bone-resorbing cells that play an essential role in homeostatic bone remodeling and pathogenic bone destruction such as inflammatory arthritis. Pharmacologically targeting osteoclasts has been a promising approach to alleviating bone disease, but there remains room for improvement in mitigating drug side effects and enhancing cell specificity. Recently, we demonstrated the crucial role of MYC and its downstream effectors in driving osteoclast differentiation. Despite these advances, upstream regulators of MYC have not been well defined. In this study, we identify nuclear factor erythroid 2-related factor 2 (NRF2), a transcription factor known to regulate the expression of phase II antioxidant enzymes, as a novel upstream regulator of MYC. NRF2 negatively regulates receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis through the ERK and p38 signaling-mediated suppression of MYC transcription. Furthermore, the ablation of MYC in osteoclasts reverses the enhanced osteoclast differentiation and activity in NRF2 deficiency in vivo and in vitro in addition to protecting NRF2-deficient mice from pathological bone loss in a murine model of inflammatory arthritis. Our findings indicate that this novel NRF2-MYC axis could be instrumental for the fine-tuning of osteoclast formation and provides additional ways in which osteoclasts could be therapeutically targeted to prevent pathological bone erosion.
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Affiliation(s)
- Peter Sang Uk Park
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Se Hwan Mun
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Steven L. Zeng
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Haemin Kim
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
| | - Seyeon Bae
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
| | - Kyung-Hyun Park-Min
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
- BCMB Allied Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10021, USA
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135
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Liu Y, Zeng W, Ma C, Wang Z, Wang C, Li S, He W, Zhang Q, Xu J, Zhou C. Maackiain dampens osteoclastogenesis via attenuating RANKL-stimulated NF-κB signalling pathway and NFATc1 activity. J Cell Mol Med 2020; 24:12308-12317. [PMID: 32939977 PMCID: PMC7686960 DOI: 10.1111/jcmm.15647] [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: 05/08/2020] [Revised: 06/20/2020] [Accepted: 06/29/2020] [Indexed: 12/14/2022] Open
Abstract
Osteolytic diseases are typified by over‐enhanced formation and resorbing function of osteoclasts and have a major impact on human health. Inhibition of osteoclastic differentiation and function is a key strategy for clinical therapy of osteolytic conditions. Maackiain is a natural compound extracted from Sophora flavescens, which has been applied to anti‐allergic and anti‐tumour treatments. The present results showed that Maackiain could restrain receptor activator of nuclear factor‐κB ligand (RANKL)‐stimulated osteoclast formation and hydroxyapatite resorption dose‐dependently, and interrupt the structures of F‐actin belts in the mature osteoclasts. It also repressed the expressions of osteoclast‐specific genes and proteins. Furthermore, Maackiain could inhibit RANKL‐stimulated NF‐κB and calcium signalling pathways, and dampen Nuclear factor of activated T cell cytoplasmic 1 activity, protein expression and translocation into the nucleus. These results revealed that Maackiain may have a potential therapeutic effect on osteoclast‐related disorders.
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Affiliation(s)
- Yuhao Liu
- The First Affiliated Hospital, Institute of Orthopedics, Guangzhou University of Chinese Medicine, Guangzhou, China.,School of Biomedical Sciences, University of Western Australia, Perth, Australia.,The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Weizai Zeng
- Chinese Medicine Hospital of Zengcheng District, Guangzhou, China
| | - Chao Ma
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ziyi Wang
- School of Biomedical Sciences, University of Western Australia, Perth, Australia
| | - Chao Wang
- School of Biomedical Sciences, University of Western Australia, Perth, Australia
| | - Shaobin Li
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei He
- The First Affiliated Hospital, Institute of Orthopedics, Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qingwen Zhang
- The First Affiliated Hospital, Institute of Orthopedics, Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiake Xu
- The First Affiliated Hospital, Institute of Orthopedics, Guangzhou University of Chinese Medicine, Guangzhou, China.,School of Biomedical Sciences, University of Western Australia, Perth, Australia
| | - Chi Zhou
- The First Affiliated Hospital, Institute of Orthopedics, Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
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136
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Gu J, Yang Z, Yuan L, Guo S, Wang D, Zhao N, Meng L, Liu H, Chen W, Ma J. Rho-GEF trio regulates osteoclast differentiation and function by Rac1/Cdc42. Exp Cell Res 2020; 396:112265. [PMID: 32898553 DOI: 10.1016/j.yexcr.2020.112265] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/31/2020] [Accepted: 09/02/2020] [Indexed: 01/09/2023]
Abstract
Many bone diseases result from abnormal bone resorption by osteoclasts (OCs). Studying OC related regulatory genes is necessary for the development of new therapeutic strategies. Rho GTPases have been proven to regulate OC differentiation and function and only mature OCs can carry out bone resorption. Here we demonstrate that Rac1 and Cdc42 exchange factor Triple functional domain (Trio) is critical for bone resorption caused by OCs. In this study, we created LysM-Cre;Triofl/fl conditional knockout mice in which Trio was conditionally ablated in monocytes. LysM-Cre;Triofl/fl mice showed increased bone mass due to impaired bone resorption caused by OCs. Furthermore, our in vitro analysis indicated that Trio conditional deficiency significantly suppressed OC differentiation and function. At the molecular level, Trio deficiency significantly inhibited the expression of genes critical for osteoclastogenesis and OC function. Mechanistically, our researches suggested that perturbed Rac1/Cdc42-PAK1-ERK/p38 signaling could be used to explain the lower ability of bone resorption in CKO mice. Taken together, this study indicates that Trio is a regulator of OCs. Studying the role of Trio in OCs provides a potential new insight for the treatment of OC related bone diseases.
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Affiliation(s)
- Jiawen Gu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Zhiwen Yang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Lichan Yuan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Shuyu Guo
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Dan Wang
- Department of Stomatatology, Lianshui County People's Hospital, Kangda College of Nanjing Medical University, Huai'an, 223400, China
| | - Na Zhao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Li Meng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Haojie Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Wenjing Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China
| | - Junqing Ma
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China; Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210029, China.
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137
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Guimarães LM, Gomes IP, Pereira TDSF, de Andrade BAB, Romañach MJ, de Lacerda JCT, Pontes HAR, Brennan PA, Rahimi S, Carlos R, Mosqueda-Taylor A, Bologna-Molina R, Passador-Santos F, Gomez RS, Gomes CC. KRAS mutations in brown tumor of the jaws in hyperparathyroidism. J Oral Pathol Med 2020; 49:796-802. [PMID: 32492752 DOI: 10.1111/jop.13048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Brown tumors are giant cell-rich lesions that result from abnormal bone metabolism in hyperparathyroidism, one of the most common endocrine disorders worldwide. Brown tumors occasionally affect the jaws and, despite well-known clinical and microscopic features, their molecular pathogenesis remains unclear. We investigated the presence of pathogenic activating mutations in TRPV4, FGFR1, and KRAS in a cohort of brown tumors since these have recently been reported in giant-cell lesions of the jaws and non-ossifying fibromas of the bones (FGFR1 and KRAS), which are histologic mimics of brown tumors. METHODS We target sequenced 13 brown tumors of the jaws associated with primary or secondary hyperparathyroidism. As mutations in these genes are known to activate the MAPK/ERK signaling pathway, we also assessed the immunostaining of the phosphorylated form of ERK1/2 (pERK1/2) in these lesions. RESULTS KRAS pathogenic mutations were detected in seven cases (p.G12V n = 4, p.G12D n = 1, p.G13D n = 1, p.A146T n = 1). KRAS variants of unknown significance (VUS), p.A134T and p.E37K, were also detected. All samples showed wild-type sequences for FGFR1 and TRPV4 genes. The activation of the MAPK/ERK signaling pathway was demonstrated by pERK1/2 immunohistochemical positivity of the brown tumors´ mononuclear cells. CONCLUSION Mutations in KRAS and activation of the MAPK/ERK signaling pathway were detected in brown tumors of hyperparathyroidism of the jaws, expanding the spectrum of giant cell lesions whose molecular pathogenesis involve RAS signaling.
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Affiliation(s)
- Letícia Martins Guimarães
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Isadora Pereira Gomes
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Thaís Dos Santos Fontes Pereira
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | | | - Mário José Romañach
- Department of Oral Diagnosis and Pathology, School of Dentistry, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | | | - Hélder Antônio Rebelo Pontes
- Service of Oral Pathology, Hospital Universitário João de Barros Barreto, Universidade Federal do Pará (UFPA), Belém, Brazil
| | - Peter A Brennan
- Department of Oral and Maxillofacial Surgery, Queen Alexandra Hospital, Portsmouth, UK
| | - Siavash Rahimi
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, UK
- Frontier Pathology-Royal Sussex County Hospital, Brighton, UK
| | - Román Carlos
- Centro Clinico de Cabeza y Cuello, Guatemala City, Guatemala
| | | | - Ronell Bologna-Molina
- Molecular Pathology Area, School of Dentistry, Universidad de la República (UDELAR), Montevideo, Uruguay
| | | | - Ricardo Santiago Gomez
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Carolina Cavaliéri Gomes
- Department of Pathology, Institute of Biological Science, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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138
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Hua P, Cui H, Xu J, Cai R, She Z, Gu Q. Diaporisoindole E inhibits RANKL-induced osteoclastogenesis via suppression of PI3K/AKT and MAPK signal pathways. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 75:153234. [PMID: 32510335 DOI: 10.1016/j.phymed.2020.153234] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/10/2020] [Accepted: 04/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Diaporisoindole E (SA8), an isoprenylisoindole alkaloids isolated from the mangrove endophytic fungus Diaporthe sp. SYSU-HQ3, was reported with anti-inflammatory activity in RAW264.7 cells. However, the effect of SA8 in bone metabolism is unknown. PURPOSE The purpose of this study is to investigate the inhibitory effect of SA8 in RANKL-induced osteoclastogenesis and to explore its mechanism of action. METHODS Osteoclastogenesis was assayed by TRAP staining. Expression of osteoclast specific genes was evaluated by real time-PCR. The inhibition of phosphorylation of the protein was measured by western blot analysis. The transcription activity of NF-κB was conducted using luciferase reporter gene assays. Osteoblast differentiation was assayed by alkaline phosphatase and Alizarin Red staining. RESULTS SA8 significantly inhibited the osteoclast differentiation in a dose- and time-dependent manner, which is consistent with the suppression of osteoclast specific genes including TRAP, DC-stamp, NFATc1, MMP-9, and ATP6v0d2. Further study on the mechanism of action revealed that SA8 inhibited osteoclast differentiation by attenuating PI3K/AKT and MAPK but not through NF-κB signaling pathways. Moreover, SA8 also suppressed bone resorption activity in a hydroxyapatite-coated plate without affecting osteoblast differentiation in C3H10T1/2 using alkaline phosphatase and Alizarin Red staining. CONCLUSIONS These findings suggest that SA8 (Diaporisoindole E) is the potential anti-osteoporosis agent.
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Affiliation(s)
- Pei Hua
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Hui Cui
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China; School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Jun Xu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Runlin Cai
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Zhigang She
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
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139
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Transcriptome Analysis Reveals That Abeliophyllum distichum Nakai Extract Inhibits RANKL-Mediated Osteoclastogenensis Mainly Through Suppressing Nfatc1 Expression. BIOLOGY 2020; 9:biology9080212. [PMID: 32781784 PMCID: PMC7491199 DOI: 10.3390/biology9080212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/27/2020] [Accepted: 08/04/2020] [Indexed: 02/07/2023]
Abstract
Abeliophyllum distichum Nakai is known as a monotypic genus endemic to South Korea. Currently, several pharmacological studies have revealed that A. distichum extract exhibits diverse biological functions, including anti-cancer, anti-diabetic, anti-hypertensive, and anti-inflammatory activities. In this study, we present the anti-osteoporotic activity of A. distichum extract by inhibiting osteoclast formation. First, we show that the methanolic extract of the leaves of A. distichum, but not extracts of the branches or fruits, significantly inhibits receptor activator of the NF-κB ligand (RANKL)-induced osteoclast differentiation. Second, our transcriptome analysis revealed that the leaf extract (LE) blocks sets of RANKL-mediated osteoclast-related genes. Third, the LE attenuates the phosphorylation of extracellular signal-related kinase. Finally, treatment with the LE effectively prevents postmenopausal bone loss in ovariectomized mice and glucocorticoid-induced osteoporosis in zebrafish. Our findings show that the extract of A. distichum efficiently suppressed osteoclastogenesis by regulating osteoclast-related genes, thus offering a novel therapeutic strategy for osteoporosis.
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140
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Papadopoulou A, Cantele A, Koletsi D, Eliades T, Kletsas D. Short- and long-term treatment with TNF-α inhibits the induction of osteoblastic differentiation in cyclic tensile-stretched periodontal ligament fibroblasts. Eur J Orthod 2020; 42:396-406. [DOI: 10.1093/ejo/cjaa042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Summary
Background
Cyclic tensile stretching (CTS) induces osteoblastic differentiation of periodontal ligament fibroblasts (PDLF). On the other hand, increased concentrations of tumour necrosis factor-α (TNF-α) are found in inflammatory conditions, leading to periodontal disease and tooth loss. Accordingly, our aim was to investigate the short- and long-term effect of TNF-α on the response of human PDLF to CTS and its implication on osteoblastic differentiation.
Methods
PDLF were either pre-incubated for 4 hours or were repeatedly exposed to TNF-α for up to 50 days and then subjected to CTS. Gene expression was determined by quantitative real-time polymerase chain reaction. Activation of mitogen-activated protein kinase (MAPK) was monitored by western analysis and cell proliferation by bromodeoxyuridine incorporation. Intracellular reactive oxygen species were determined by the 2´, 7´-dichlorofluorescein-diacetate assay and osteoblastic differentiation by Alizarin Red-S staining after an osteo-inductive period of 21 days.
Results
CTS of PDLF induced an immediate upregulation of the c-fos transcription factor and, further downstream the overexpression of alkaline phosphatase and osteopontin, two major osteoblast marker genes. A 4-hour pre-incubation with TNF-α repressed these effects. Similarly, long-term propagation of PDLF along with TNF-α diminished their osteoblastic differentiation capacity and suppressed cells’ CTS-elicited responses. The observed phenomena were not linked with TNF-α-induced premature senescence or oxidative stress. While CTS induced the activation of MAPKs, involved in mechanotransduction, TNF-α treatment provoked a small delay in the phosphorylation of extracellular signal-regulated kinase and c-Jun N-terminal kinase.
Conclusion
Increased concentrations of TNF-α, such as those recorded in many inflammatory diseases, suppress PDLF’s immediate responses to mechanical forces compromising their osteoblastic differentiation potential, possibly leading to tissue’s impaired homeostasis.
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Affiliation(s)
- Adamantia Papadopoulou
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research ‘Demokritos’, Ag. Paraskevi, Athens, Greece
| | - Aurelie Cantele
- Clinic of Orthodontics and Paediatric Dentistry, University of Zurich, Switzerland
| | - Despina Koletsi
- Clinic of Orthodontics and Paediatric Dentistry, University of Zurich, Switzerland
| | - Theodore Eliades
- Clinic of Orthodontics and Paediatric Dentistry, University of Zurich, Switzerland
| | - Dimitris Kletsas
- Laboratory of Cell Proliferation and Ageing, Institute of Biosciences and Applications, National Centre for Scientific Research ‘Demokritos’, Ag. Paraskevi, Athens, Greece
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141
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Wei J, Li Y, Liu Q, Lan Y, Wei C, Tian K, Wu L, Lin C, Xu J, Zhao J, Yang Y. Betulinic Acid Protects From Bone Loss in Ovariectomized Mice and Suppresses RANKL-Associated Osteoclastogenesis by Inhibiting the MAPK and NFATc1 Pathways. Front Pharmacol 2020; 11:1025. [PMID: 32733253 PMCID: PMC7358641 DOI: 10.3389/fphar.2020.01025] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 06/24/2020] [Indexed: 12/14/2022] Open
Abstract
Osteoclasts with elevated bone resorption are commonly present in postmenopausal osteoporosis, and other osteolytic pathologies. Therefore, suppressing osteoclast generation and function has been the main focus of osteoporosis treatment. Betulinic acid (BA) represents a triterpenoid mainly purified from the bark of Betulaceae. BA shows multiple biological activities, including antitumor and anti-HIV properties, but its effect on osteolytic conditions is unknown. Here, BA suppressed receptor activator of nuclear factor‐κB ligand (RANKL)‐associated osteoclastogenesis and bone resorptive function, as assessed by tartrate‐resistant acid phosphatase (TRAP) staining, fibrous actin ring generation, and hydroxyapatite resorption assays. Mechanistically, BA downregulated the expression of osteoclastic-specific genes. Western blot analysis revealed that BA significantly interrupted ERK, JNK and p38 MAPK activation as well as intracellular reactive oxygen species (ROS) production, thus altering c-Fos and NFATc1 activation. Corroborating the above findings in cell-based assays, BA prevented ovariectomy-associated bone loss in an animal model. In conclusion, these findings suggest that BA can inhibit osteoclast generation and function as well as the RANKL signaling pathway, and might be used for treating osteoclast-related osteoporosis.
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Affiliation(s)
- Jiyong Wei
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, China.,Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China.,Department of Orthopedics, The First People's Hospital of Nanning, Nanning, China
| | - Yicheng Li
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Qian Liu
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Yanni Lan
- Department of Pharmacy, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Chengming Wei
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Kun Tian
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, China.,Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China
| | - Liwei Wu
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, China.,Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China
| | - Chunbo Lin
- Orthopaedics, Langdong Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China
| | - Jiake Xu
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Jinmin Zhao
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, China.,Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China
| | - Yuan Yang
- Research Centre for Regenerative Medicine, Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, China.,Orthopaedics, Langdong Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, China
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142
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Li S, He T, Wu D, Zhang L, Chen R, Liu B, Yuan J, Tickner J, Qin A, Xu J, Rong L. Conditional Knockout of PKC-δ in Osteoclasts Favors Bone Mass Accrual in Males Due to Decreased Osteoclast Function. Front Cell Dev Biol 2020; 8:450. [PMID: 32582715 PMCID: PMC7295979 DOI: 10.3389/fcell.2020.00450] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/13/2020] [Indexed: 02/06/2023] Open
Abstract
Protein kinase C delta (PKC-δ) functions as an important regulator in bone metabolism. However, the precise involvement of PKC-δ in the regulation of osteoclasts remains elusive. We generated an osteoclast specific PKC-δ knockout mouse strain to investigate the function of PKC-δ in osteoclast biology. Bone phenotype was investigated using microcomputed tomography. Osteoclast and osteoblast parameters were assessed using bone histomorphometry, and analysis of osteoclast formation and function with osteoclastogensis and hydroxyapatite resorption assays. The molecular mechanisms by which PKC-δ regulated osteoclast function were dissected by Western Blotting, TUNEL assay, transfection and transcriptome sequencing. We found that ablation of PKC-δ in osteoclasts resulted in an increase in trabecular and cortical bone volume in male mice, however, the bone mass phenotype was not observed in female mice. This was accompanied by decreased osteoclast number and surface, and Cathepsin-K protein levels in vivo, as well as decreased osteoclast formation and resorption in vitro in a male-specific manner. PKC-δ regulated androgen receptor transcription by binding to its promoter, moreover, PKC-δ conditional knockout did not increase osteoclast apoptosis but increased MAPK signaling and enhanced androgen receptor transcription and expression, finally leding to significant alterations in gene expression and signaling changes related to extracellular matrix proteins specifically in male mice. In conclusion, PKC-δ plays an important role in osteoclast formation and function in a male-specific manner. Our work reveals a previously unknown target for treatment of gender-related bone diseases.
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Affiliation(s)
- Shangfu Li
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Tianwei He
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Depeng Wu
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Liangming Zhang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Ruiqiang Chen
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Bin Liu
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
| | - Jinbo Yuan
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Jennifer Tickner
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - An Qin
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Limin Rong
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, China
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143
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Rolph D, Das H. Transcriptional Regulation of Osteoclastogenesis: The Emerging Role of KLF2. Front Immunol 2020; 11:937. [PMID: 32477372 PMCID: PMC7237574 DOI: 10.3389/fimmu.2020.00937] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 04/22/2020] [Indexed: 12/16/2022] Open
Abstract
Dysregulation of osteoclastic differentiation and its activity is a hallmark of various musculoskeletal disease states. In this review, the complex molecular factors underlying osteoclastic differentiation and function are evaluated. The emerging role of KLF2 in regulation of osteoclastic differentiation is examined, specifically in the context of rheumatoid arthritis in which it has been most extensively studied among the musculoskeletal diseases. The therapies that exist to manage diseases associated with osteoclastogenesis are numerous and diverse. They are varied in their mechanisms of action and in the outcomes they produce. For this review, therapies targeting osteoclasts will be emphasized, though it should be noted that many therapies exist which bolster the action of osteoblasts. A new targeted molecular approach is under investigation for the future potential therapeutic development of rheumatoid arthritis.
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Affiliation(s)
- Daniela Rolph
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, United States
| | - Hiranmoy Das
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, United States
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144
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Fu SQ, Wang ZY, Jiang ZM, Bi ZM, Liu EH. Integration of Zebrafish Model and Network Pharmacology to Explore Possible Action Mechanisms of Morinda officinalis for Treating Osteoporosis. Chem Biodivers 2020; 17:e2000056. [PMID: 32190963 DOI: 10.1002/cbdv.202000056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Accepted: 03/18/2020] [Indexed: 12/20/2022]
Abstract
Osteoporosis (OP) is a metabolic bone disease affecting nearly 200 million individuals globally. Morinda officinalis F.C.How (MOH) has long been used as a traditional herbal medicine for the treatment of bone fractures and joint diseases in China. However, it still remains unclear how the compounds in MOH work synergistically for treating OP. In this study, we used prednisolone (PNSL)-induced zebrafish OP model to screen the antiosteoporosis components in MOH. A network pharmacology approach was further proposed to explore the underlying mechanism of MOH on OP. The PNSL-induced zebrafish model validated that two anthraquinones, one iridoid glycoside, and two saccharides exerted antiosteoporotic effect. We constructed the components-targets network and obtained the enriched Gene Ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. A total of 26 candidate compounds of MOH and 257 related targets could probably treat OP through regulating osteoclast differentiation and MAPK signaling pathway. Our work developed a strategy to screen the antiosteoporosis components and explore the underlying mechanism of MOH for treating OP at a network pharmacology level.
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Affiliation(s)
- Shao-Qi Fu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, P. R. China
| | - Zi-Yuan Wang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, P. R. China
| | - Zheng-Meng Jiang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, P. R. China
| | - Zhi-Ming Bi
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, P. R. China
| | - E-Hu Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, 210009, P. R. China
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145
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Sun Z, Zeng J, Wang W, Jia X, Wu Q, Yu D, Mao Y. Magnoflorine Suppresses MAPK and NF-κB Signaling to Prevent Inflammatory Osteolysis Induced by Titanium Particles In Vivo and Osteoclastogenesis via RANKL In Vitro. Front Pharmacol 2020; 11:389. [PMID: 32300300 PMCID: PMC7142243 DOI: 10.3389/fphar.2020.00389] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 03/13/2020] [Indexed: 01/29/2023] Open
Abstract
Wear particles that detach from the surface of prostheses induce excessive activation of osteoclast and immoderate release of inflammatory cytokines that lead to peri-implant osteolysis and aseptic loosening. In this work, we investigated whether magnoflorine, a quaternary aporphine alkaloid extracted from the Chinese herb Magnolia or Aristolochia, could effectively inhibit inflammatory calvarial osteolysis caused by titanium particles in mouse models, inflammatory response as well as osteoclastogenesis in vitro mediated via receptor activator of NF-κB ligand (RANKL). Micro-computed tomography and histological examination of mice treated with magnoflorine revealed fewer resorption pits, less osteoclasts formation and inflammatory cytokine expression. Moreover, in vitro differentiation of osteoclasts and bone resorption as well as titanium particle-induced inflammatory response were dose-dependently inhibited by magnoflorine. These were accompanied by reduced transcription of osteoclast-specific genes encoding tartrate-resistant acid phosphatase (TRAP), V-ATPase d2, c-Fos, cathepsin K, nuclear factor of activated T cells (NFAT) c1, and calcitonin receptor (CTR). Further research on mechanism showed that the inhibition of phosphorylation of TAK1 and subsequent activation of MAPK and NF-κB signaling pathways were found to mediate the suppressive effects of magnoflorine. Collectively, these results suggested that magnoflorine treatment could effectively prevent peri-implant osteolysis due to wear debris as well as other diseases caused by chronic inflammation and excessive osteoclast activation.
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Affiliation(s)
- Zhenyu Sun
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junkai Zeng
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenjuan Wang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinlin Jia
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiang Wu
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Degang Yu
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanqing Mao
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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146
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Agidigbi TS, Kang IS, Kim C. Inhibition of MEK/ERK upregulates GSH production and increases RANKL-induced osteoclast differentiation in RAW 264.7 cells. Free Radic Res 2020; 54:894-905. [DOI: 10.1080/10715762.2020.1742896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Taiwo Samuel Agidigbi
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology, Inha University School of Medicine, Incheon, Korea
| | - In Soon Kang
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology, Inha University School of Medicine, Incheon, Korea
| | - Chaekyun Kim
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology, Inha University School of Medicine, Incheon, Korea
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147
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Zavaczki E, Gáll T, Zarjou A, Hendrik Z, Potor L, Tóth CZ, Méhes G, Gyetvai Á, Agarwal A, Balla G, Balla J. Ferryl Hemoglobin Inhibits Osteoclastic Differentiation of Macrophages in Hemorrhaged Atherosclerotic Plaques. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3721383. [PMID: 32184915 PMCID: PMC7063196 DOI: 10.1155/2020/3721383] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/30/2020] [Accepted: 02/04/2020] [Indexed: 12/15/2022]
Abstract
Intraplaque hemorrhage frequently occurs in atherosclerotic plaques resulting in cell-free hemoglobin, which is oxidized to ferryl hemoglobin (FHb) in the highly oxidative environment. Osteoclast-like cells (OLCs) derived from macrophages signify a counterbalance mechanism for calcium deposition in atherosclerosis. Our aim was to investigate whether oxidized hemoglobin alters osteoclast formation, thereby affecting calcium removal from mineralized atherosclerotic lesions. RANKL- (receptor activator of nuclear factor kappa-Β ligand-) induced osteoclastogenic differentiation and osteoclast activity of RAW264.7 cells were studied in response to oxidized hemoglobin via assessing bone resorption activity, expression of osteoclast-specific genes, and the activation of signalization pathways. OLCs in diseased human carotid arteries were assessed by immunohistochemistry. FHb, but not ferrohemoglobin, decreased bone resorption activity and inhibited osteoclast-specific gene expression (tartrate-resistant acid phosphatase, calcitonin receptor, and dendritic cell-specific transmembrane protein) induced by RANKL. In addition, FHb inhibited osteoclastogenic signaling pathways downstream of RANK (receptor activator of nuclear factor kappa-Β). It prevented the induction of TRAF6 (tumor necrosis factor (TNF) receptor-associated factor 6) and c-Fos, phosphorylation of p-38 and JNK (c-Jun N-terminal kinase), and nuclear translocation of NFκB (nuclear factor kappa-Β) and NFATc1 (nuclear factor of activated T-cells, cytoplasmic 1). These effects were independent of heme oxygenase-1 demonstrated by knocking down HO-1 gene in RAW264.7 cells and in mice. Importantly, FHb competed with RANK for RANKL binding suggesting possible mechanisms by which FHb impairs osteoclastic differentiation. In diseased human carotid arteries, OLCs were abundantly present in calcified plaques and colocalized with regions of calcium deposition, while the number of these cells were lower in hemorrhagic lesions exhibiting accumulation of FHb despite calcium deposition. We conclude that FHb inhibits RANKL-induced osteoclastic differentiation of macrophages and suggest that accumulation of FHb in a calcified area of atherosclerotic lesion with hemorrhage retards the formation of OLCs potentially impairing calcium resorption.
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Affiliation(s)
- Erzsébet Zavaczki
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Kálmán Laki Doctoral School of Biomedical and Clinical Sciences, University of Debrecen, Debrecen, Hungary
| | - Tamás Gáll
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Abolfazl Zarjou
- Nephrology Research and Training Center, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Zoltán Hendrik
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Kálmán Laki Doctoral School of Biomedical and Clinical Sciences, University of Debrecen, Debrecen, Hungary
- Department of Pathology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - László Potor
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Kálmán Laki Doctoral School of Biomedical and Clinical Sciences, University of Debrecen, Debrecen, Hungary
| | - Csaba Zsigmond Tóth
- Department of Vascular Surgery, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Gábor Méhes
- Department of Pathology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Ágnes Gyetvai
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Anupam Agarwal
- Nephrology Research and Training Center, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - György Balla
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Department of Pediatrics, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - József Balla
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, Debrecen, Hungary
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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The Administration of 4-Hexylresorcinol Accelerates Orthodontic Tooth Movement and Increases the Expression Level of Bone Turnover Markers in Ovariectomized Rats. Int J Mol Sci 2020; 21:ijms21041526. [PMID: 32102282 PMCID: PMC7073238 DOI: 10.3390/ijms21041526] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/17/2022] Open
Abstract
Surgical methods for accelerating orthodontic tooth movement are limited by possible damage to the tooth root and patient discomfort. 4-Hexylresorcinol (4HR) has been shown to increase bone remodeling and may potentially facilitate tooth movement. This study investigated the (1) effect of 4HR administration on osteoblast-like cells and (2) effect of 4HR administration on tooth movement in ovariectomized rats. Saos-2 cells were treated with either 4HR or solvent (control). Protein expression levels were investigated 2, 8, and 24 h after treatment. Thirty ovariectomized Sprague-Dawley rats were divided into two experimental groups (A and B) and one control group. After installation of an orthodontic tooth movement device, groups A and B received subcutaneous weekly injections of 4HR (1.28 and 128 mg/kg). Micro-computerized tomography and histological analyses were performed after 2 weeks of tooth movement. The application of 4HR elevated expression of osteogenic markers in Saos-2 cells. Movement of the first molars was significantly greater in rats administered 4HR. Furthermore, the expression of bone morphogenic protein-2, receptor activator of nuclear factor kappa-B ligand, osteocalcin, and tartrate-resistant acid phosphatase were increased after 4HR administration. 4HR application demonstrated increased expression of osteogenic markers in Saos-2 cells and accelerated orthodontic tooth movement in rats.
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Kim M, Kim HS, Kim JH, Kim EY, Lee B, Lee SY, Jun JY, Kim MB, Sohn Y, Jung HS. Chaenomelis fructus inhibits osteoclast differentiation by suppressing NFATc1 expression and prevents ovariectomy-induced osteoporosis. BMC Complement Med Ther 2020; 20:35. [PMID: 32024503 PMCID: PMC7076887 DOI: 10.1186/s12906-020-2841-9] [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] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 01/30/2020] [Indexed: 02/04/2023] Open
Abstract
Background Osteoporosis is related to the number and activity of osteoclasts. The goal of the present study was to demonstrate the effect of Chaenomelis Fructus (CF) on osteoclastogenesis and its mechanism of bone loss prevention in an OVX-induced osteoporosis model. Methods Osteoclasts were induced by RANKL in RAW 264.7 cells. TRAP assay was performed to measure the inhibitory effect of CF on osteoclast differentiation. Then, Expression of nuclear factor of activated T-cells (NFATc1), c-Fos which are essential transcription factors in osteoclastogenesis were detected using western blot and RT-PCR. The osteoclast-related markers were measured by RT-PCR. Moreover, the ability of CF to inhibit bone loss was researched by ovariectomized (OVX)-induced osteoporosis. Results Cell experiments showed that CF inhibited osteoclast differentiation and its function. Immunoblot analyses demonstrated that CF suppressed osteoclastogenesis through the NFATc1 and c-Fos signaling pathways. RT-PCR determined that CF inhibited osteoclast-related markers, such as tartrate-resistant acid phosphatase (TRAP), cathepsin K (CTK), osteoclast-associated immunoglobulin-like receptor (OSCAR), ATPase H+ Transporting V0 Subunit D2 (ATP6v0d2) and carbonic anhydrase II (CA2). In animal experiments, CF showed an inhibitory effect on bone density reduction through OVX. Hematoxylin and eosin (H&E) staining analysis data showed that CF inhibited OVX-induced trabecular area loss. TRAP staining and immunohistochemical staining analysis data showed that CF displayed an inhibitory effect on osteoclast differentiation through NFATc1 inhibition in femoral tissue. Conclusion Based on the results of in vivo and in vitro experiments, CF inhibited the RANKL-induced osteoclasts differentiation and its function and effectively ameliorated OVX-induced osteoporosis rats.
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Affiliation(s)
- Minsun Kim
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Ho-Seok Kim
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Hyun Kim
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Eun-Young Kim
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Bina Lee
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Sung Yub Lee
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Jun
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Min Beom Kim
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Youngjoo Sohn
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyuk-Sang Jung
- Department of Anatomy, College of Korean Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea.
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150
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Zhang S, Li H, Tang H, Huo S, Nie B, Qu X, Yue B. Felodipine blocks osteoclast differentiation and ameliorates estrogen-dependent bone loss in mice by modulating p38 signaling pathway. Exp Cell Res 2020; 387:111800. [DOI: 10.1016/j.yexcr.2019.111800] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/16/2019] [Accepted: 12/20/2019] [Indexed: 10/25/2022]
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