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Wang J, Zhao F, Xu L, Wang J, Zhai J, Ren L, Zhu G. C-C Motif Chemokine Ligand 5 (CCL5) Promotes Irradiation-Evoked Osteoclastogenesis. Int J Mol Sci 2023; 24:16168. [PMID: 38003358 PMCID: PMC10671276 DOI: 10.3390/ijms242216168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/03/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023] Open
Abstract
The imbalance that occurs in bone remodeling induced by irradiation (IR) is the disruption of the balance between bone formation and bone resorption. In this study, primary osteocytes (OCYs) of femoral and tibial origin were cultured and irradiated. It was observed that irradiated OCY showed extensive DNA damage, which led to the initiation of a typical phenotype of cellular senescence, including the secretion of senescence-associated secretory phenotype (SASP), especially the C-C motif chemokine ligand 5 (CCL5). In order to explore the regulation of osteoclastogenic potential by IR-induced senescent OCYs exocytosis factor CCL5, the conditioned medium (CM) of OCYs was co-cultured with RAW264.7 precursor cells. It was observed that in the irradiated OCY co-cultured group, the migration potential increased compared with the vehicle culture group, accompanied by an enhancement of typical mature OCs; the expression of the specific function of enzyme tartrate-resistant acid phosphatase (TRAP) increased; and the bone-destructive function was enhanced. However, a neutralizing antibody to CCL5 could reverse the extra-activation of osteoclastogenesis. Accordingly, the overexpression of p-STAT3 in irradiated OCY was accompanied by CCL5. It was concluded that CCL5 is a potential key molecule and the interventions targeting CCL5 could be a potential strategy for inhibiting osteoclastogenesis and restoring bone remodeling.
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Affiliation(s)
| | | | | | | | | | | | - Guoying Zhu
- Department of Radiological Hygiene, Institute of Radiation Medicine, Fudan University, 2094 Xietu Road, Shanghai 200032, China; (J.W.); (F.Z.); (L.X.); (J.W.); (J.Z.); (L.R.)
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Rajendran P, Chen YF, Chen YF, Chung LC, Tamilselvi S, Shen CY, Day CH, Chen RJ, Viswanadha VP, Kuo WW, Huang CY. The multifaceted link between inflammation and human diseases. J Cell Physiol 2018; 233:6458-6471. [PMID: 29323719 DOI: 10.1002/jcp.26479] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 01/03/2018] [Indexed: 12/21/2022]
Abstract
Increasing reports on epidemiological, diagnostic, and clinical studies suggest that dysfunction of the inflammatory reaction results in chronic illnesses such as cancer, arthritis, arteriosclerosis, neurological disorders, liver diseases, and renal disorders. Chronic inflammation might progress if injurious agent persists; however, more typically than not, the response is chronic from the start. Distinct to most changes in acute inflammation, chronic inflammation is characterized by the infiltration of damaged tissue by mononuclear cells like macrophages, lymphocytes, and plasma cells, in addition to tissue destruction and attempts to repair. Phagocytes are the key players in the chronic inflammatory response. However, the important drawback is the activation of pathological phagocytes, which might result from continued tissue damage and lead to harmful diseases. The longer the inflammation persists, the greater the chance for the establishment of human diseases. The aim of this review was to focus on advances in the understanding of chronic inflammation and to summarize the impact and involvement of inflammatory agents in certain human diseases.
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Affiliation(s)
- Peramaiyan Rajendran
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Ya-Fang Chen
- Department of Obstetrics and Gynecology, Taichung Veteran's General Hospital, Taichung, Taiwan.,Division of Cardiology, China Medical University Hospital, Taichung, Taiwan
| | - Yu-Feng Chen
- Section of Cardiology, Yuan Rung Hospital, Yuanlin, Taiwan
| | - Li-Chin Chung
- Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan County, Taiwan
| | - Shanmugam Tamilselvi
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Chia-Yao Shen
- Department of Nursing, MeiHo University, Pingtung, Taiwan
| | | | - Ray-Jade Chen
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | | | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
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Pathophysiology of hemophilic arthropathy and potential targets for therapy. Pharmacol Res 2017; 115:192-199. [DOI: 10.1016/j.phrs.2016.11.032] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 11/04/2016] [Accepted: 11/23/2016] [Indexed: 01/14/2023]
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Echinocystic acid inhibits RANKL-induced osteoclastogenesis by regulating NF-κB and ERK signaling pathways. Biochem Biophys Res Commun 2016; 477:673-677. [PMID: 27349866 DOI: 10.1016/j.bbrc.2016.06.118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 06/23/2016] [Indexed: 01/11/2023]
Abstract
Receptor activator of nuclear factor-κB ligand (RANKL) is a key factor in the differentiation and activation of osteoclasts. Echinocystic acid (EA), a pentacyclic triterpene isolated from the fruits of Gleditsia sinensis Lam, was reported to prevent reduction of bone mass and strength and improve the cancellous bone structure and biochemical properties in ovariectomy rats. However, the molecular mechanism of EA on the osteoclast formation has not been reported. The purpose of this study was to investigate the effects and mechanism of EA on RANKL-induced osteoclastogenesis. Our results showed that EA inhibited the formation of osteoclast, as well as the expression of osteoclastogenesis-related marker proteins in bone marrow macrophages (BMMs). At molecular levels, EA inhibited RANKL-induced NF-κB activation and ERK phosphorylation in BMMs. In conclusion, the present study demonstrated that EA can suppress osteoclastogenesis in vitro. Moreover, we clarified that these inhibitory effects of EA occur through suppression of NF-κB and ERK activation. Therefore, EA may be a potential agent in the treatment of osteoclast-related diseases such as osteoporosis.
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Medalha CC, Santos ALYS, Veronez SDO, Fernandes KR, Magri AMP, Renno ACM. Low level laser therapy accelerates bone healing in spinal cord injured rats. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 159:179-85. [DOI: 10.1016/j.jphotobiol.2016.03.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 03/23/2016] [Accepted: 03/24/2016] [Indexed: 01/12/2023]
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Blüml S, Redlich K, Smolen JS. Mechanisms of tissue damage in arthritis. Semin Immunopathol 2014; 36:531-40. [PMID: 25212687 DOI: 10.1007/s00281-014-0442-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 07/31/2014] [Indexed: 01/17/2023]
Abstract
The destruction of articular structures in the course of inflammatory arthritides such as rheumatoid arthritis (RA) or seronegative spondyloarthropathies is the most serious direct consequence of these diseases. Indeed, joint damage constitutes the "organ damage" of RA and-just like in all other diseases with organ involvement-such damage will usually be irreversible, cause permanent loss of function and subsequent disability. Research has identified a number of mechanisms and mediators of damage to articular structures such as bone and cartilage, ranging from proinflammatory cytokines, signal transduction pathways and cells types, which will be discussed in this review.
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Affiliation(s)
- Stephan Blüml
- Division of Rheumatology, Medical University of Vienna, Vienna, Austria
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Why platelet-rich plasma failed to promote bone healing in combination with a biphasic synthetic graft material in bone defects: a critical comment. J Craniofac Surg 2014; 25:1568-9. [PMID: 24933313 DOI: 10.1097/scs.0000000000000775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Blüml S, Friedrich M, Lohmeyer T, Sahin E, Saferding V, Brunner J, Puchner A, Mandl P, Niederreiter B, Smolen JS, Schabbauer G, Redlich K. Loss of phosphatase and tensin homolog (PTEN) in myeloid cells controls inflammatory bone destruction by regulating the osteoclastogenic potential of myeloid cells. Ann Rheum Dis 2013; 74:227-33. [PMID: 24078675 DOI: 10.1136/annrheumdis-2013-203486] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Local bone destruction in rheumatic diseases, which often leads to disability and severely reduced quality of life, is almost exclusively mediated by osteoclasts. Therefore, it is important to understand pathways regulating the generation of osteoclasts. Here, we analysed the impact of the Phosphoinositide-3-Kinase (PI3K)/Phosphatase and tensin homolog (PTEN) axis on osteoclast generation and bone biology under basal and inflammatory conditions. METHODS We analysed osteoclastogenesis of wildtype (wt) and PTEN(-/-) cells in vitro and in vivo, pit resorption and qPCR of osteoclasts in vitro. Mice with a myeloid cell-specific deletion of PTEN and wt littermate mice were investigated by bone histomorphometry and clinical and histological assessment in the human tumour necrosis factor (TNF)-transgenic (hTNFtg) arthritis model. RESULTS We show that myeloid-specific PTEN(-/-) mice display increased osteoclastogenesis in vitro and in vivo compared to wt mice. Loss of PTEN did not affect the generation or survival of osteoclast precursor cells. However, PTEN deficiency greatly enhanced receptor activator of nuclear factor κ-B ligand (RANKL)-induced expression of the master transcription factor of osteoclastogenesis, nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), resulting in markedly increased terminal differentiation of osteoclasts in vitro. We also observed increased osteoclastogenesis under inflammatory conditions in the hTNFtg mouse model of arthritis, where hTNFtg/myeloid-specific PTEN(-/-) mice displayed enhanced local bone destruction as well as osteoclast formation in the inflamed joints. The extent of synovial inflammation, however, as well as recruitment of osteoclast precursor cells was not different between wt and myeloid-specific PTEN(-/-) mice. CONCLUSIONS These data demonstrate that loss of PTEN and, therefore, sustained PI3-Kinase signalling in myeloid cells especially, elevates the osteoclastogenic potential of myeloid cells, leading to enhanced inflammatory local bone destruction. Therefore, although our study allows no direct translational conclusion since we used a conditional knockout approach, the therapeutic targeting of the PI3-Kinase pathway may be of benefit in preventing structural joint damage.
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Affiliation(s)
- Stephan Blüml
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Martin Friedrich
- Institute for Physiology, Center for Physiology and Pharmacology, Medical University Vienna, Vienna, Austria
| | - Tobias Lohmeyer
- Institute for Physiology, Center for Physiology and Pharmacology, Medical University Vienna, Vienna, Austria
| | - Emine Sahin
- Institute for Physiology, Center for Physiology and Pharmacology, Medical University Vienna, Vienna, Austria
| | - Victoria Saferding
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Julia Brunner
- Institute for Physiology, Center for Physiology and Pharmacology, Medical University Vienna, Vienna, Austria
| | - Antonia Puchner
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Peter Mandl
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Birgit Niederreiter
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Josef S Smolen
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Gernot Schabbauer
- Institute for Physiology, Center for Physiology and Pharmacology, Medical University Vienna, Vienna, Austria
| | - Kurt Redlich
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
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van Esch RW, Kool MM, van As S. NSAIDs can have adverse effects on bone healing. Med Hypotheses 2013; 81:343-6. [PMID: 23680000 DOI: 10.1016/j.mehy.2013.03.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Revised: 03/04/2013] [Accepted: 03/29/2013] [Indexed: 12/22/2022]
Abstract
The science of osteoimmunology, a relatively new field of research, reveals the important interactions between the immune system and skeletal system. Interactions occur between prostaglandin metabolism, inflammatory proteins and bone metabolism. Systemic as well as local sources of inflammation appear to be actively involved in both bone formation and resorption. Non Steroidal Anti-Inflammatory Drugs (NSAIDs) can play a detrimental role in bone fractures, opposing the aim of the intervention, and can have such a negative impact on the synthesis of prostaglandins that they could even promote bone resorption. When used for a prolonged time, NSAIDs can also cause the development of an inflammatory cascade starting from the gastro-intestinal system, possibly resulting in bone resorption. Several studies show that the use of either selective or non-selective NSAIDs are intimately related to disturbances in immunological allostasis, bone metabolism and the inhibition or impediment of bone healing.
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Affiliation(s)
- Robert W van Esch
- University of Girona, C Francesc Macià 65, 17190 Salt, Girona, Spain.
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Zhao J, Chen J, Yang TH, Holme P. Insights into the pathogenesis of axial spondyloarthropathy from network and pathway analysis. BMC SYSTEMS BIOLOGY 2012; 6 Suppl 1:S4. [PMID: 23046677 PMCID: PMC3403611 DOI: 10.1186/1752-0509-6-s1-s4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background Complex chronic diseases are usually not caused by changes in a single causal gene but by an unbalanced regulating network resulting from the dysfunctions of multiple genes or their products. Therefore, network based systems approach can be helpful for the identification of candidate genes related to complex diseases and their relationships. Axial spondyloarthropathy (SpA) is a group of chronic inflammatory joint diseases that mainly affect the spine and the sacroiliac joints. The pathogenesis of SpA remains largely unknown. Results In this paper, we conducted a network study of the pathogenesis of SpA. We integrated data related to SpA, from the OMIM database, proteomics and microarray experiments of SpA, to prioritize SpA candidate disease genes in the context of human protein interactome. Based on the top ranked SpA related genes, we constructed a SpA specific PPI network, identified potential pathways associated with SpA, and finally sketched an overview of biological processes involved in the development of SpA. Conclusions The protein-protein interaction (PPI) network and pathways reflect the link between the two pathological processes of SpA, i.e., immune mediated inflammation, as well as imbalanced bone modelling caused new boneformation and bone loss. We found that some known disease causative genes, such as TNFand ILs, play pivotal roles in this interaction.
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Affiliation(s)
- Jing Zhao
- Department of Mathematics, Logistical Engineering University, Chongqing, China.
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Zhao X, Chao Y, Chen P, Liu D, Su P, Sun J, Cui X, Tang Y. hRpn13, a newly identified component of the 19S particle, regulates proliferation, differentiation, and function in the human osteoblast-like cell line MG63. [corrected]. J Physiol Biochem 2011; 68:129-39. [PMID: 22057889 DOI: 10.1007/s13105-011-0126-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 10/11/2011] [Indexed: 02/05/2023]
Abstract
The 26S proteasome is a key component of the ubiquitin-proteasome system, a process responsible for the majority of cellular protein degradation. The function of the proteasomal ubiquitin receptor hRpn13, a component of the 26S proteasome, is not completely understood. To investigate the role of hRpn13 in the ubiquitin-proteasome system in osteoblasts, the effects of suppressing and overexpressing the hRpn13 gene on proliferation, differentiation, and function of human osteoblast-like MG63 cells were examined. After knockdown of hRpn13 by small interfering RNA, changes in osteoblast proliferation were evaluated by methyl-thiazolyl-tetrazolium assay. There was an increase in markers for osteoblast proliferation, specifically alkaline phosphatase activity, and elevated protein levels of osteocalcin, proliferating cell nuclear antigen (PCNA), and ubiquitin. Furthermore, hRpn13 knockdown also resulted in a decrease in the ratio between the gene expressions of RANKL and OPG, key players in the pathogenesis of bone diseases that influence the normal balance between bone formation and resorption. In contrast, overexpression of hRpn13 inhibited the proliferation of MG63 cells, and decreased alkaline phosphatase activity as well as protein levels of osteocalcin, PCNA, and ubiquitin while the ratio of RANKL to OPG expression increased. To confirm the function of hRpn13 in the ubiquitin-proteasome pathway, osteoblast proliferation enhancement and ubiquitin accumulation after hRpn2 knockdown was assessed. The results suggest that overexpression of hRpn13 negatively influences proliferation and osteogenic differentiation in MG63 cells. The evidence implies that hRpn13 modulates the influence of osteoblasts on osteoclasts by controlling the stability of regulatory proteins in osteoblasts. In summary, overexpression of hRpn13 promoted the activity of the ubiquitin-proteasome system.
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Affiliation(s)
- Xi Zhao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
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