201
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Tateiwa D, Yoshikawa H, Kaito T. Cartilage and Bone Destruction in Arthritis: Pathogenesis and Treatment Strategy: A Literature Review. Cells 2019; 8:cells8080818. [PMID: 31382539 PMCID: PMC6721572 DOI: 10.3390/cells8080818] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 07/30/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023] Open
Abstract
Arthritis is inflammation of the joints accompanied by osteochondral destruction. It can take many forms, including osteoarthritis, rheumatoid arthritis, and psoriatic arthritis. These diseases share one commonality—osteochondral destruction based on inflammation. The background includes a close interaction between osseous tissues and immune cells through various inflammatory cytokines. However, the tissues and cytokines that play major roles are different in each disease, and as a result, the mechanism of osteochondral destruction also differs. In recent years, there have been many findings regarding not only extracellular signaling pathways but also intracellular signaling pathways. In particular, we anticipate that the intracellular signals of osteoclasts, which play a central role in bone destruction, will become novel therapeutic targets. In this review, we have summarized the pathology of arthritis and the latest findings on the mechanism of osteochondral destruction, as well as present and future therapeutic strategies for these targets.
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Affiliation(s)
- Daisuke Tateiwa
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hideki Yoshikawa
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Takashi Kaito
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
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202
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Murata K, Kokubun T, Onitsuka K, Oka Y, Kano T, Morishita Y, Ozone K, Kuwabara N, Nishimoto J, Isho T, Takayanagi K, Kanemura N. Controlling joint instability after anterior cruciate ligament transection inhibits transforming growth factor-beta-mediated osteophyte formation. Osteoarthritis Cartilage 2019; 27:1185-1196. [PMID: 31026650 DOI: 10.1016/j.joca.2019.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 02/14/2019] [Accepted: 03/04/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Abnormal joint instability contributes to cartilage damage and osteophyte formation. We investigated whether controlling joint instability inhibited chronic synovial membrane inflammation and delayed osteophyte formation and examined the role of transforming growth factor-beta (TGF-β) signaling in the associated mechanism. DESIGN Rats (n = 94) underwent anterior cruciate ligament (ACL) transection. Anterior tibial instability was either controlled (CAM group) or allowed to continue (SHAM group). At 2, 4, and 8 weeks after surgery, radiologic, histopathologic, immunohistochemical, immunofluorescent, and enzyme-linked immunosorbent assay examinations were performed to evaluate osteophyte formation and TGF-β signaling. RESULTS Joint instability increased cartilage degeneration score and osteophyte formation, and cell hyperplasia and proliferation and synovial thickening were observed in the synovial membrane. Major findings were increased TGF-β expression and Smad2/3 following TGF-β phosphorylation in synovial membarene, articular cartilage, and the posterior tibial growth plate (TGF-β expression using ELISA: 4 weeks; P = 0.009, 95% CI [260.1-1340.0]) (p-Smad2/3 expression density: 4 weeks; P = 0.024, 95% CI [1.67-18.27], 8 weeks; P = 0.034, 95% CI [1.25-25.34]). However, bone morphogenetic protein (BMP)-2 and Smad1/5/8 levels were not difference between the SHAM model and the CAM model. CONCLUSIONS This study showed that the difference between anterior tibial instability caused a change in the expression level of TGF in the posterior tibia and synovial membrane, and the reaction might be consequently involved in osteophyte formation.
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Affiliation(s)
- K Murata
- Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University, Saitama, Japan.
| | - T Kokubun
- Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University, Saitama, Japan.
| | - K Onitsuka
- Department of Rehabilitation, Tokyo Women's Medical University Yachiyo Medical Center, Chiba, Japan.
| | - Y Oka
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - T Kano
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - Y Morishita
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - K Ozone
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - N Kuwabara
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - J Nishimoto
- Department of Health and Social Services, Health and Social Services, Graduate School of Saitama Prefectural University, Saitama, Japan.
| | - T Isho
- Department of Rehabilitation, Fujioka General Hospital, Gunma, Japan.
| | - K Takayanagi
- Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University, Saitama, Japan.
| | - N Kanemura
- Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University, Saitama, Japan.
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203
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Choi MC, Jo J, Park J, Kang HK, Park Y. NF-κB Signaling Pathways in Osteoarthritic Cartilage Destruction. Cells 2019; 8:cells8070734. [PMID: 31319599 PMCID: PMC6678954 DOI: 10.3390/cells8070734] [Citation(s) in RCA: 300] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 12/21/2022] Open
Abstract
Osteoarthritis (OA) is a type of joint disease associated with wear and tear, inflammation, and aging. Mechanical stress along with synovial inflammation promotes the degradation of the extracellular matrix in the cartilage, leading to the breakdown of joint cartilage. The nuclear factor-kappaB (NF-κB) transcription factor has long been recognized as a disease-contributing factor and, thus, has become a therapeutic target for OA. Because NF-κB is a versatile and multi-functional transcription factor involved in various biological processes, a comprehensive understanding of the functions or regulation of NF-κB in the OA pathology will aid in the development of targeted therapeutic strategies to protect the cartilage from OA damage and reduce the risk of potential side-effects. In this review, we discuss the roles of NF-κB in OA chondrocytes and related signaling pathways, including recent findings, to better understand pathological cartilage remodeling and provide potential therapeutic targets that can interfere with NF-κB signaling for OA treatment.
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Affiliation(s)
- Moon-Chang Choi
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
| | - Jiwon Jo
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea
| | - Jonggwan Park
- Department of Bioinformatics, Kongju National University, Kongju 38065, Korea
| | - Hee Kyoung Kang
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea
| | - Yoonkyung Park
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
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204
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Helli B, Shahi MM, Mowla K, Jalali MT, Haghighian HK. A randomized, triple-blind, placebo-controlled clinical trial, evaluating the sesamin supplement effects on proteolytic enzymes, inflammatory markers, and clinical indices in women with rheumatoid arthritis. Phytother Res 2019; 33:2421-2428. [PMID: 31309643 DOI: 10.1002/ptr.6433] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/10/2019] [Accepted: 06/17/2019] [Indexed: 11/07/2022]
Abstract
Inflammation is one of the main characteristics of rheumatoid arthritis. Based on the antiinflammatory properties of sesame, this study was conducted to evaluate the sesamin supplement effects on serum levels of some proteolytic enzymes, inflammatory biomarkers, and clinical indices in women with rheumatoid arthritis. In this randomized, triple-blind, placebo-controlled clinical trial, 44 patients were randomly divided in intervention and control groups. Patients received 200-mg/day sesamin supplement or placebo in the intervention and control group for 6 weeks. Serum levels of proteolytic enzymes (hyaluronidase, aggrecanase, and matrix metalloproteinases-3) and inflammatory biomarkers (hs-CRP, IL-1β, IL-6, TNF-α, and cyclooxygenase-2) were measured with enzyme-linked immunosorbent assay method at the beginning and end of the study. After intervention, serum levels of hyaluronidase and matrix metalloproteinases-3 decreased significantly in sesamin group. Also, serum levels of hs-CRP, TNF-α, and cyclooxygenase-2 in intervention group were significantly decreased in intervention group compared with placebo group. Sesamin supplementation also caused a significant reduction in the number of tender joints and severity of pain in these patients. According to the results, it seems that the sesamin by reducing inflammatory mediators can relieve clinical symptoms and pathological changes that caused by inflammatory impairment in patients with rheumatoid arthritis.
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Affiliation(s)
- Bizhan Helli
- Department of Nutritional Sciences, Faculty of Paramedical, Ahvaz Jundishapur Medical Sciences University, Ahvaz, Iran
| | - Majid Mohammad Shahi
- Department of Nutrition, Hyperlipidemia Research Center, Ahvaz Jundishapur Medical Sciences University, Ahvaz, Iran
| | - Karim Mowla
- Department of Rheumatology, School of Medicine, Ahvaz Jundishapur Medical Sciences University, Ahvaz, Iran
| | - Mohammad Taha Jalali
- Department of Nutrition, Hyperlipidemia Research Center, Ahvaz Jundishapur Medical Sciences University, Ahvaz, Iran
| | - Hossein Khadem Haghighian
- Department of Nutrition, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran.,Metabolic Diseases Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
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205
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Xu F, Song Y, Guo A. Anti-Apoptotic Effects of Docosahexaenoic Acid in IL-1β-Induced Human Chondrosarcoma Cell Death through Involvement of the MAPK Signaling Pathway. Cytogenet Genome Res 2019; 158:17-24. [PMID: 31261155 DOI: 10.1159/000500290] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2018] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by progressive articular cartilage destruction and joint marginal osteophyte formation with different degrees of synovitis. Docosahexaenoic acid (DHA) is an unsaturated fatty acid with anti-inflammatory, antioxidant, and antiapoptotic functions. In this study, the human chondrosarcoma cell line SW1353 was cultured in vitro, and an OA cell model was constructed with inflammatory factor IL-1β stimulation. After cells were treated with DHA, cell apoptosis was measured. Western blot assay was used to detect protein expression of apoptosis-related factors (Bax, Bcl-2, and cleaved caspase-3) and mitogen-activated protein kinase (MAPK) signaling pathway family members, including extracellular signal-regulated kinase (ERK), c-JUN N-terminal kinase (JNK), and p38 MAPK. Our results show that IL-1β promotes the apoptosis of SW1353 cells, increases the expression of Bax and cleaved caspase-3, and activates the MAPK signaling pathway. In contrast, DHA inhibits the expression of IL-1β, inhibits IL-1β-induced cell apoptosis, and has a certain inhibitory effect on the activation of the MAPK signaling pathway. When the MAPK signaling pathway is inhibited by its inhibitors, the effects of DHA on SW1353 cells are weakened. Thus, DHA enhances the apoptosis of SW1353 cells through the MAPK signaling pathway.
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206
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Nakagawa R, Akagi R, Yamaguchi S, Enomoto T, Sato Y, Kimura S, Ogawa Y, Sadamasu A, Ohtori S, Sasho T. Single vs. repeated matrix metalloproteinase-13 knockdown with intra-articular short interfering RNA administration in a murine osteoarthritis model. Connect Tissue Res 2019; 60:335-343. [PMID: 30345823 DOI: 10.1080/03008207.2018.1539082] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Purpose: Our aims were 1) to estimate the duration of short interfering RNA (siRNA) effect on matrix metalloproteinase-13 (Mmp-13) levels by a single intra-articular injection using a mouse knee osteoarthritis (OA) model and 2) to test whether repeated injections results in any additional suppressive effect on cartilage degradation compared to a single injection. Materials and Methods: OA was induced in 9 weeks old male C57BL/6 mice by destabilization of medial meniscus (DMM). Chemically modified siRNA targeted for Mmp-13 was injected into the knee joint at 1 week post-DMM surgery. Control group of knees received that for non-targeted genes. Synovial tissue was collected to measure Mmp-13 expression levels by quantitative polymerase chain reaction (qPCR) at 2, 3, and 6 weeks after surgery in each group. To test the effect of multiple injections, we created four experiment groups according to the number of injections. Histological assessment of articular cartilage was performed at 8 weeks post-DMM surgery. Results: In the Mmp-13 siRNA-treated group, expression levels of Mmp-13 mRNA were decreased by 40% compared to the control group at 2 weeks after surgery (p = 0.04), before returning to baseline at 3 weeks after surgery. A significant improvement in the histological score was observed in all Mmp-13 siRNA-treated groups compared to the control group (p < 0.05). However, no significant differences were seen between the single and multiple injection group. Conclusions: Our results suggested that the duration of siRNA effect in the knee joint lasts for at least 1 week, and that no further benefit is achieved by multiple injections.
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Affiliation(s)
- Ryosuke Nakagawa
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Ryuichiro Akagi
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Satoshi Yamaguchi
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Takahiro Enomoto
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Yusuke Sato
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Seiji Kimura
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Yuya Ogawa
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Aya Sadamasu
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Seiji Ohtori
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan
| | - Takahisa Sasho
- a Department of Orthopaedic Surgery , Graduate School of Medical and Sciences, Chiba University , Chiba , Japan.,b Musculoskeletal Disease and Pain , Center for Preventive Medical Sciences, Chiba University , Chiba , Japan
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207
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Culley KL, Lessard SG, Green JD, Quinn J, Chang J, Khilnani T, Wondimu EB, Dragomir CL, Marcu KB, Goldring MB, Otero M. Inducible knockout of CHUK/IKKα in adult chondrocytes reduces progression of cartilage degradation in a surgical model of osteoarthritis. Sci Rep 2019; 9:8905. [PMID: 31222033 PMCID: PMC6586628 DOI: 10.1038/s41598-019-45334-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/31/2019] [Indexed: 12/18/2022] Open
Abstract
CHUK/IKKα contributes to collagenase-driven extracellular matrix remodeling and chondrocyte hypertrophic differentiation in vitro, in a kinase-independent manner. These processes contribute to osteoarthritis (OA), where chondrocytes experience a phenotypic shift towards hypertrophy concomitant with abnormal matrix remodeling. Here we investigated the contribution of IKKα to OA in vivo. To this end, we induced specific IKKα knockout in adult chondrocytes in AcanCreERT2/+; IKKαf/f mice treated with tamoxifen (cKO). Vehicle-treated littermates were used as wild type controls (WT). At 12 weeks of age, WT and cKO mice were subjected to the destabilization of medial meniscus (DMM) model of post-traumatic OA. The cKO mice showed reduced cartilage degradation and collagenase activity and fewer hypertrophy-like features at 12 weeks after DMM. Interestingly, in spite of the protection from structural articular cartilage damage, the postnatal growth plates of IKKα cKO mice after DMM displayed abnormal architecture and composition associated with increased chondrocyte apoptosis, which were not as evident in the articular chondrocytes of the same animals. Together, our results provide evidence of a novel in vivo functional role for IKKα in cartilage degradation in post-traumatic OA, and also suggest intrinsic, cell-autonomous effects of IKKα in chondrocytes that control chondrocyte phenotype and impact on cell survival, matrix homeostasis, and remodeling.
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Affiliation(s)
- Kirsty L Culley
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Samantha G Lessard
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Jordan D Green
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Justin Quinn
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Jun Chang
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Tyler Khilnani
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Elisabeth B Wondimu
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.,Weill Cornell Medical College, New York, NY, 10021, USA
| | - Cecilia L Dragomir
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Kenneth B Marcu
- Biochemistry and Cell Biology Department, Stony Brook University, Stony Brook, NY 11794, USA
| | - Mary B Goldring
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.,Weill Cornell Medical College, New York, NY, 10021, USA
| | - Miguel Otero
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.
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208
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Kumar A, Dutta Choudhury M, Ghosh P, Palit P. Discoidin domain receptor 2: An emerging pharmacological drug target for prospective therapy against osteoarthritis. Pharmacol Rep 2019; 71:399-408. [DOI: 10.1016/j.pharep.2019.01.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 11/27/2018] [Accepted: 01/14/2019] [Indexed: 11/30/2022]
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209
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Adipose-derived stromal cell secretome reduces TNFα-induced hypertrophy and catabolic markers in primary human articular chondrocytes. Stem Cell Res 2019; 38:101463. [PMID: 31108390 DOI: 10.1016/j.scr.2019.101463] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/07/2019] [Accepted: 05/13/2019] [Indexed: 12/26/2022] Open
Abstract
Recent clinical trials show the efficacy of Adipose-derived Stromal Cells (ASCs) in contrasting the osteoarthritis scenario. Since it is quite accepted that ASCs act predominantly through a paracrine mechanism, their secretome may represent a valid therapeutic substitute. The aim of this study was to investigate the effects of ASC conditioned medium (ASC-CM) on TNFα-stimulated human primary articular chondrocytes (CHs). CHs were treated with 10 ng/ml TNFα and/or ASC-CM (1:5 recipient:donor cell ratio). ASC-CM treatment blunted TNFα-induced hypertrophy, reducing the levels of Osteocalcin (-37%), Collagen X (-18%) and MMP-13 activity (-61%). In addition, it decreased MMP-3 activity by 59%. We showed that the reduction of MMP activity correlates to the abundance of TIMPs (Tissue Inhibitors of MMPs) in ASC secretome (with TIMP-1 exceeding 200 ng/ml and TIMP-2/3 in the ng/ml range) rather than to a direct down-modulation of the expression and/or release of these proteases. In addition, ASC secretome contains high levels of other cartilage protecting factors, i.e. OPG and DKK-1. ASC-CM comprises cartilage-protecting factors and exerts anti-hypertrophic and anti-catabolic effects on TNFα-stimulated CHs in vitro. Our results support a future use of this cell-derived but cell-free product as a therapeutic approach in the management of osteoarthritis.
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210
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Tricetin Protects Rat Chondrocytes against IL-1 β-Induced Inflammation and Apoptosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4695381. [PMID: 31231454 PMCID: PMC6512055 DOI: 10.1155/2019/4695381] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/30/2019] [Accepted: 04/09/2019] [Indexed: 01/25/2023]
Abstract
Tricetin is a well-studied flavonoid with a wide range of pharmacological activities in cancer and inflammation. However, the ability of tricetin to ameliorate the inflammation that occurs in osteoarthritis (OA) has not been determined. This study explored the effects of tricetin on interleukin- (IL-) 1β-induced rat chondrocytes. Chondrocytes harvested from rat cartilage were incubated in vitro with tricetin in the presence of IL-1β. The expression of matrix metalloproteinase- (MMP-) 1, MMP-3, MMP-13, nitric oxide (NO), prostaglandin E2 (PGE2), Bax, and Bcl-2 was evaluated by real-time-PCR, ELISA, Griess reaction, and western blotting. Caspase-3 activity in chondrocytes was determined using a caspase-3 activity assay and MAPK pathway activity by western blotting. Tricetin decreased the expression of MMP-1, MMP-3, and MMP-13 at both the gene and protein level in IL-1β-induced rat chondrocytes. It also inhibited IL-1β-induced NO and PGE2 production, by modulating inducible NO synthase and cyclooxygenase 2 gene expression. An antiapoptotic role of tricetin involving the Bax/Bcl-2/caspase-3 pathway was also determined. The chondroprotective effect of tricetin was shown to be partly related to the suppression of the MAPK signaling pathway. The results of this study demonstrate the chondroprotective role of tricetin, based on its anticatabolic, anti-inflammatory, and antiapoptotic effects in chondrocytes. The therapeutic potential of tricetin in OA patients should be explored in future studies.
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211
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Bai X, Guo A, Li Y. Protective effects of calcitonin on IL-1 stimulated chondrocytes by regulating MMPs/TIMP-1 ratio via suppression of p50-NF-κB pathway. Biosci Biotechnol Biochem 2019; 83:598-604. [PMID: 30582416 DOI: 10.1080/09168451.2018.1559718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
ABSTRACT
The aim of this study was to investigate the effects and underlying mechanisms of calcitonin (CT) on interleukin 1 beta (IL-1β) stimulated human chondrocytes. IL-1β (5 ng/mL) was added into chondrocytes to establish osteoarthritis (OA) model in vitro. Different concentrations of CT (0.1, 0.5, 1, 5, 10 and 50 nM) were used for treating IL-1β stimulated chondrocytes. Cell viability of chondrocytes was measured by cell counting kit-8 (CCK8) method. Western blotting was performed to evaluate the expression of matrix metalloproteinases (MMP-13), tissue inhibitor of metalloproteinases 1 (TIMP-1), p50 and p38. CT inhibited MMP-13 expression and promoted TIMP-1 expression in the IL-1β stimulated human chondrocytes. The CT-mediated alteration of MMP-13/TIMP-1 ratio was partially attributed to the inactivation of the p50- nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway by suppressing p50 in IL-1β stimulated chondrocytes. CT might play a protective role in IL-1β stimulated OA model via p50-NF-κB pathway.
Abbreviations: CT: calcitonin; IL-1β: interleukin-1β; MMP-13: matrix metalloproteinases-13; TIMP-1: tissue inhibitors of metalloproteinases-1.
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Affiliation(s)
- Xiaodong Bai
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, P.R. China
| | - Ai Guo
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, P.R. China
| | - Yadong Li
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, P.R. China
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212
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Excessive mechanical loading promotes osteoarthritis through the gremlin-1-NF-κB pathway. Nat Commun 2019; 10:1442. [PMID: 30926814 PMCID: PMC6441020 DOI: 10.1038/s41467-019-09491-5] [Citation(s) in RCA: 174] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/14/2019] [Indexed: 12/22/2022] Open
Abstract
Exposure of articular cartilage to excessive mechanical loading is deeply involved in the pathogenesis of osteoarthritis. Here, we identify gremlin-1 as a mechanical loading-inducible factor in chondrocytes, detected at high levels in middle and deep layers of cartilage after cyclic strain or hydrostatic pressure loading. Gremlin-1 activates nuclear factor-κB signalling, leading to subsequent induction of catabolic enzymes. In mice intra-articular administration of gremlin-1 antibody or chondrocyte-specific deletion of Gremlin-1 decelerates osteoarthritis development, while intra-articular administration of recombinant gremlin-1 exacerbates this process. Furthermore, ras-related C3 botulinum toxin substrate 1 activation induced by mechanical loading enhances reactive oxygen species (ROS) production. Amongst ROS-activating transcription factors, RelA/p65 induces Gremlin-1 transcription, which antagonizes induction of anabolic genes such as Sox9, Col2a1, and Acan by bone morphogenetic proteins. Thus, gremlin-1 plays essential roles in cartilage degeneration by excessive mechanical loading. Excessive mechanical stress promotes the development of osteoarthritis. Here Chang et al. identify gremlin-1 as a factor expressed in chondrocytes in response to mechanical stress, and contributing to osteoarthritis via activation of the NF-κB pathway.
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213
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Zheng W, Li X, Liu D, Li J, Yang S, Gao Z, Wang Z, Yokota H, Zhang P. Mechanical loading mitigates osteoarthritis symptoms by regulating endoplasmic reticulum stress and autophagy. FASEB J 2019; 33:4077-4088. [PMID: 30485126 PMCID: PMC6404578 DOI: 10.1096/fj.201801851r] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 11/05/2018] [Indexed: 12/30/2022]
Abstract
Osteoarthritis (OA) is a disease characterized by cartilage damage and abnormal remodeling of subchondral bone. Our previous study showed that in the early stage of OA, knee loading exerts protective effects by suppressing osteoclastogenesis through Wnt signaling, but little is known about loading effects at the late OA stage. Endoplasmic reticulum (ER) stress and autophagy are known to be involved in the late OA stage. We determined the effects of mechanical loading on ER stress and autophagy in OA mice. One hundred seventy-four mice were used for a surgery-induced OA model. In the first set of experiments, 60 mice were devoted to evaluation of the role of ER stress and autophagy in the development of OA. In the second set, 114 mice were used to assess the effect of knee loading on OA. Histologic, cellular, microcomputed tomography, and electron microscopic analyses were performed to evaluate morphologic changes, ER stress, and autophagy. Mechanical loading increased phosphorylation of eukaryotic translation initiation factor 2α (eIF2α) and regulated expressions of autophagy markers LC3II/I and p62. Osteoarthritic mice also exhibited an elevated ratio of calcified cartilage to total articular cartilage (CC/TAC), and synovial hyperplasia with increased lining cells was found. At the early disease stage, subchondral bone plate thinning and reduced subchondral bone volume fraction (B.Ar/T.Ar) were observed. At the late disease stages, subchondral bone plate thickened concomitant with increased B.Ar/T.Ar. Mice subjected to mechanical loading exhibited resilience to cartilage destruction and a correspondingly reduced Osteoarthritis Research Society International score at 4 and 8 wk, as well as a decrease in synovitis and CC/TAC. While chondrocyte numbers in the OA group was notably decreased, mechanical loading restored chondrogenic differentiation. These results demonstrate that mechanical loading can retard the pathologic progression of OA at its early and late stages. The observed effects of loading are associated with the regulations of ER stress and autophagy.-Zheng, W., Li, X., Liu, D., Li, J., Yang, S., Gao, Z., Wang, Z., Yokota, H., Zhang, P. Mechanical loading mitigates osteoarthritis symptoms by regulating endoplasmic reticulum stress and autophagy.
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Affiliation(s)
- Weiwei Zheng
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Xinle Li
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Tianjin Economic-Technological Development Area, International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Key Laboratory of Hormones and Development, Ministry of Health, Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin, China
| | - Daquan Liu
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Tianjin Economic-Technological Development Area, International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Key Laboratory of Hormones and Development, Ministry of Health, Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin, China
| | - Jie Li
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Tianjin Economic-Technological Development Area, International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Shuang Yang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Tianjin Economic-Technological Development Area, International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Zhe Gao
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Zhaonan Wang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Hiroki Yokota
- Department of Biomedical Engineering, Indiana University–Purdue University Indianapolis, Indiana, USA
| | - Ping Zhang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Tianjin Economic-Technological Development Area, International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Key Laboratory of Hormones and Development, Ministry of Health, Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University, Tianjin, China
- Department of Biomedical Engineering, Indiana University–Purdue University Indianapolis, Indiana, USA
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214
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Sofia V, Nasrul E, Manjas M, Revilla G. Analysis of the Relationship between RELA Gene Expression and MMP-13 Gene Expression in Synoviocyte Cells after Mesenchymal Stem Cell Wharton Jelly. Open Access Maced J Med Sci 2019; 7:543-548. [PMID: 30894909 PMCID: PMC6420936 DOI: 10.3889/oamjms.2019.135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/30/2019] [Accepted: 02/01/2019] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Therapy that can cure osteoarthritis with satisfactory results has not been found to date. In the pathogenesis of osteoarthritis, the genes involved in cartilage degradation include the RELA gene which plays an important role in modulating the occurrence of cartilage damage, which involves activation of pro-inflammatory cytokines. One of the cytokines involved in the cartilage degradation process is Matrix Metalloproteinase (MMP) -13 which is also modulated by NFκβ. AIM This study aims to look at the expression of the RELA gene and expression of the MMP-13 gene and analyse the relationship of RELA gene expression with MMP-13 gene expression after administration of Mesenchymal Stem Cell Wharton Jelly in synoviocytes in vitro. MATERIAL AND METHODS This research is pure experimental research. The samples used derived from synovial tissue in osteoarthritis patients who underwent surgery for Total Knee Replacement (TKR). This study was divided into 6 treatment groups with 4 replications. Group I was the synoviocyte OA cell control group which was incubated 24 hours, group II was control of synoviocyte OA cell which was incubated 48 hours, group III was a group of Mesenchymal Stem Cell Wharton Jelly (MSC-WJ) which was incubated 24 hours, group IV was a Mesenchymal Stem Cell Wharton Jelly (MSC-WJ) cell group incubated 48 hours, group V was the co-culture group of synoviocyte-MSC-WJ cells incubated 24 hours and group VI was the co-culture of synoviocyte-MSC-WJ cells which were incubated 48 hours. Observation of MMP-13 gene expression and RELA gene in each group was carried out using qPCR. RESULT The results showed that the analysis of the relationship between RELA gene expression and MMP-13 gene expression in osteoarthritis synoviocytes cells after Mesenchymal Stem Cell Wharton Jelly as big as (r = 0.662). CONCLUSION The conclusion of this study is there was a strong correlation between RELA gene expression and MMP-13 gene expression in osteoarthritis synoviocytes after Mesenchymal Stem Cell Wharton Jelly (r = 0.662).
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Affiliation(s)
- Vivi Sofia
- Postgraduate Biomedical Science, Faculty of Medicine, Andalas University, Padang, Indonesia.,Faculty of Pharmacy Ahmad Dahlan University, Jogjakarta, Indonesia
| | - Ellyza Nasrul
- Department of Clinical Pathology, Faculty of Medicine, Andalas University, Indonesia
| | - Menkher Manjas
- Department of Orthopedic Surgery, Faculty of Medicine, Andalas University, Indonesia
| | - Gusti Revilla
- Department of Anatomy, Faculty of Medicine, Andalas University, Indonesia
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215
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Abstract
Metalloproteinases remain important players in arthritic disease, in part because members of this large enzymatic family, namely matrix metalloproteinase-1 (MMP-1) and MMP-13, are responsible for the irreversible degradation of articular cartilage collagen. Although direct inhibition of MMPs fell out of vogue with the initial clinical disappointment of the first generation of compounds, interest in other mechanisms that control these important enzymes has always been maintained. Since these enzymes are critically important for tissue homeostasis, their expression and activity are tightly regulated at many levels, not just by direct inhibition by their endogenous inhibitors the tissue inhibitors of metalloproteinases (TIMPs). Focussing on MMP-13, we discuss recent work that highlights new discoveries in the transcriptional regulation of this enzyme, from defined promoter functional analysis to how more global technologies can provide insight into the enzyme’s regulation, especially by epigenetic mechanisms, including non-coding RNAs. In terms of protein regulation, we highlight recent findings into enzymatic cascades involved in MMP-13 regulation and activation. Importantly, we highlight a series of recent studies that describe how MMP-13 activity, and in fact that of other metalloproteinases, is in part controlled by receptor-mediated endocytosis. Together, these new discoveries provide a plethora of novel regulatory mechanisms, besides direct inhibition, which with renewed vigour could provide further therapeutic opportunities for regulating the activity of this class of important enzymes.
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Affiliation(s)
- David A Young
- Skeletal Research Group, Institute of Genetic Medicine, Central Parkway, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK
| | - Matt J Barter
- Skeletal Research Group, Institute of Genetic Medicine, Central Parkway, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK
| | - David J Wilkinson
- Skeletal Research Group, Institute of Genetic Medicine, Central Parkway, Newcastle University, Newcastle upon Tyne, NE1 3BZ, UK
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216
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The CH25H-CYP7B1-RORα axis of cholesterol metabolism regulates osteoarthritis. Nature 2019; 566:254-258. [PMID: 30728500 DOI: 10.1038/s41586-019-0920-1] [Citation(s) in RCA: 162] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 01/08/2019] [Indexed: 02/06/2023]
Abstract
Osteoarthritis-the most common form of age-related degenerative whole-joint disease1-is primarily characterized by cartilage destruction, as well as by synovial inflammation, osteophyte formation and subchondral bone remodelling2,3. However, the molecular mechanisms that underlie the pathogenesis of osteoarthritis are largely unknown. Although osteoarthritis is currently considered to be associated with metabolic disorders, direct evidence for this is lacking, and the role of cholesterol metabolism in the pathogenesis of osteoarthritis has not been fully investigated4-6. Various types of cholesterol hydroxylases contribute to cholesterol metabolism in extrahepatic tissues by converting cellular cholesterol to circulating oxysterols, which regulate diverse biological processes7,8. Here we show that the CH25H-CYP7B1-RORα axis of cholesterol metabolism in chondrocytes is a crucial catabolic regulator of the pathogenesis of osteoarthritis. Osteoarthritic chondrocytes had increased levels of cholesterol because of enhanced uptake, upregulation of cholesterol hydroxylases (CH25H and CYP7B1) and increased production of oxysterol metabolites. Adenoviral overexpression of CH25H or CYP7B1 in mouse joint tissues caused experimental osteoarthritis, whereas knockout or knockdown of these hydroxylases abrogated the pathogenesis of osteoarthritis. Moreover, retinoic acid-related orphan receptor alpha (RORα) was found to mediate the induction of osteoarthritis by alterations in cholesterol metabolism. These results indicate that osteoarthritis is a disease associated with metabolic disorders and suggest that targeting the CH25H-CYP7B1-RORα axis of cholesterol metabolism may provide a therapeutic avenue for treating osteoarthritis.
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217
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Wang D, Yang H, Zhang M, Zhang H, Lu L, Zhang J, Wan X, Wang M. Insulin-like growth factor-1 engaged in the mandibular condylar cartilage degeneration induced by experimental unilateral anterior crossbite. Arch Oral Biol 2019; 98:17-25. [DOI: 10.1016/j.archoralbio.2018.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 11/01/2018] [Accepted: 11/01/2018] [Indexed: 02/06/2023]
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218
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Shu CC, Flannery CR, Little CB, Melrose J. Catabolism of Fibromodulin in Developmental Rudiment and Pathologic Articular Cartilage Demonstrates Novel Roles for MMP-13 and ADAMTS-4 in C-terminal Processing of SLRPs. Int J Mol Sci 2019; 20:ijms20030579. [PMID: 30700002 PMCID: PMC6386837 DOI: 10.3390/ijms20030579] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 01/17/2019] [Accepted: 01/25/2019] [Indexed: 01/27/2023] Open
Abstract
Background: Cartilage regeneration requires a balance of anabolic and catabolic processes. Aim: To examine the susceptibility of fibromodulin (FMOD) and lumican (LUM) to degradation by MMP-13, ADAMTS-4 and ADAMTS-5, the three major degradative proteinases in articular cartilage, in cartilage development and in osteoarthritis (OA). Methods: Immunolocalization of FMOD and LUM in fetal foot and adult knee cartilages using an FMOD matrix metalloprotease (MMP)-13 neoepitope antibody (TsYG11) and C-terminal anti-FMOD (PR184) and anti-LUM (PR353) antibodies. The in vitro digestion of knee cartilage with MMP-13, A Disintegrin and Metalloprotease with Thrompospondin motifs (ADAMTS)-4 and ADAMTS-5, to assess whether FMOD and LUM fragments observed in Western blots of total knee replacement specimens could be generated. Normal ovine articular cartilage explants were cultured with interleukin (IL)-1 and Oncostatin-M (OSM) ± PGE3162689, a broad spectrum MMP inhibitor, to assess FMOD, LUM and collagen degradation. Results and Discussion: FMOD and LUM were immunolocalized in metatarsal and phalangeal fetal rudiment cartilages and growth plates. Antibody TsYG11 localized MMP-13-cleaved FMOD in the hypertrophic chondrocytes of the metatarsal growth plates. FMOD was more prominently localized in the superficial cartilage of normal and fibrillated zones in OA cartilage. TsYG11-positive FMOD was located deep in the cartilage samples. Ab TsYG11 identified FMOD fragmentation in Western blots of normal and fibrillated cartilage extracts and total knee replacement cartilage. The C-terminal anti-FMOD, Ab PR-184, failed to identify FMOD fragmentation due to C-terminal processing. The C-terminal LUM, Ab PR-353, identified three LUM fragments in OA cartilages. In vitro digestion of human knee cartilage with MMP-13, ADAMTS-4 and ADAMTS-5 generated FMOD fragments of 54, 45 and 32 kDa similar to in blots of OA cartilage; LUM was less susceptible to fragmentation. Ab PR-353 detected N-terminally processed LUM fragments of 39, 38 and 22 kDa in 65–80-year-old OA knee replacement cartilage. FMOD and LUM were differentially processed in MMP-13, ADAMTS-4 and ADAMTS-5 digestions. FMOD was susceptible to degradation by MMP-13, ADAMTS-4 and to a lesser extent by ADAMTS-5; however, LUM was not. MMP-13-cleaved FMOD in metatarsal and phalangeal fetal rudiment and growth plate cartilages suggested roles in skeletogenesis and OA pathogenesis. Explant cultures of ovine cartilage stimulated with IL-1/OSM ± PGE3162689 displayed GAG loss on day 5 due to ADAMTS activity. However, by day 12, the activation of proMMPs occurred as well as the degradation of FMOD and collagen. These changes were inhibited by PGE3162689, partly explaining the FMOD fragments seen in OA and the potential therapeutic utility of PGE3162689.
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Affiliation(s)
- Cindy C Shu
- Raymond Purves Research Laboratory, Institute of Bone & Joint Research, North Sydney Area Health Authority, Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia.
| | - Carl R Flannery
- Bioventus LLC, 4721 Emperor Blvd., Suite 100, Durham, NC 27703, USA.
| | - Christopher B Little
- Raymond Purves Research Laboratory, Institute of Bone & Joint Research, North Sydney Area Health Authority, Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia.
- Sydney Medical School, Northern, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia.
| | - James Melrose
- Raymond Purves Research Laboratory, Institute of Bone & Joint Research, North Sydney Area Health Authority, Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia.
- Sydney Medical School, Northern, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia.
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney 2033, Australia.
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219
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Savvidou O, Milonaki M, Goumenos S, Flevas D, Papagelopoulos P, Moutsatsou P. Glucocorticoid signaling and osteoarthritis. Mol Cell Endocrinol 2019; 480:153-166. [PMID: 30445185 DOI: 10.1016/j.mce.2018.11.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 10/03/2018] [Accepted: 11/11/2018] [Indexed: 01/15/2023]
Abstract
Glucocorticoids are steroid hormones synthesized and released by the adrenal cortex. Their main function is to maintain cell homeostasis through a variety of signaling pathways, responding to changes in an organism's environment or developmental status. Mimicking the actions of natural glucocorticoids, synthetic glucocorticoids have been recruited to treat many diseases that implicate glucocorticoid receptor signaling such as osteoarthritis. In osteoarthritis, synthetic glucocorticoids aim to alleviate inflammation and pain. The variation of patients' response and the possibility of complications associated with their long-term use have led to a need for a better understanding of glucocorticoid receptor signaling in osteoarthritis. In this review, we performed a literature search in the molecular pathways that link the osteoarthritic joint to the glucocorticoid receptor signaling. We hope that this information will advance research in the field and propose new molecular targets for the development of more optimized therapies for osteoarthritis.
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Affiliation(s)
- Olga Savvidou
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
| | - Mandy Milonaki
- Department of Clinical Biochemistry, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
| | - Stavros Goumenos
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
| | - Dimitrios Flevas
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
| | - Panayiotis Papagelopoulos
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
| | - Paraskevi Moutsatsou
- Department of Clinical Biochemistry, National and Kapodistrian University of Athens, School of Medicine, "ATTIKON" University Hospital, Athens, Greece.
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220
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Son YO, Kim HE, Choi WS, Chun CH, Chun JS. RNA-binding protein ZFP36L1 regulates osteoarthritis by modulating members of the heat shock protein 70 family. Nat Commun 2019; 10:77. [PMID: 30622281 PMCID: PMC6325149 DOI: 10.1038/s41467-018-08035-7] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 12/12/2018] [Indexed: 12/22/2022] Open
Abstract
Osteoarthritis (OA) is a whole-joint disease characterized by cartilage destruction and other whole-joint pathological changes. There is currently no effective disease-modifying therapy. Here we investigate the post-transcriptional mRNA regulation of OA-modulating proteins in chondrocytes and show that the ZFP36 family member, ZFP36L1, is specifically upregulated in OA chondrocytes and OA cartilage of humans and mice. Adenovirus-mediated overexpression of ZFP36L1 alone in mouse knee-joint tissue does not modulate OA pathogenesis. However, genetic ablation or silencing of Zfp36l1 significantly abrogates experimental OA in mice. Knockdown of Zfp36l1 increases the mRNA expression of two heat shock protein 70 (HSP70) family members, which act as its direct targets. Furthermore, overexpression of HSPA1A in joint tissues protects mice against experimental OA by inhibiting chondrocyte apoptosis. Our results indicate that the RNA-binding protein, ZFP36L1, regulates HSP70 family members that appear to protect against OA pathogenesis by inhibiting chondrocyte apoptosis. Osteoarthritis is characterised by degeneration of joint cartilage. Here the authors show that the RNA-binding protein ZFP36L1 is upregulated in chondrocytes of humans and mice with osteoarthritis, and that its knockdown in mouse joints protects chondrocytes against apoptosis by modulating the function of heat shock proteins.
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Affiliation(s)
- Young-Ok Son
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Hyo-Eun Kim
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Wan-Su Choi
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Churl-Hong Chun
- Department of Orthopedic Surgery, Wonkwang University School of Medicine, Iksan, 54538, Republic of Korea
| | - Jang-Soo Chun
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea.
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221
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Choi WS, Yang JI, Kim W, Kim HE, Kim SK, Won Y, Son YO, Chun CH, Chun JS. Critical role for arginase II in osteoarthritis pathogenesis. Ann Rheum Dis 2019; 78:421-428. [PMID: 30610061 PMCID: PMC6390026 DOI: 10.1136/annrheumdis-2018-214282] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 12/19/2022]
Abstract
Objective Osteoarthritis (OA) appears to be associated with various metabolic disorders, but the potential contribution of amino acid metabolism to OA pathogenesis has not been clearly elucidated. Here, we explored whether alterations in the amino acid metabolism of chondrocytes could regulate OA pathogenesis. Methods Expression profiles of amino acid metabolism-regulating genes in primary-culture passage 0 mouse chondrocytes were examined by microarray analysis, and selected genes were further characterised in mouse OA chondrocytes and OA cartilage of human and mouse models. Experimental OA in mice was induced by destabilisation of the medial meniscus (DMM) or intra-articular (IA) injection of adenoviruses expressing catabolic regulators. The functional consequences of arginase II (Arg-II) were examined in Arg2−/− mice and those subjected to IA injection of an adenovirus encoding Arg-II (Ad-Arg-II). Results The gene encoding Arg-II, an arginine-metabolising enzyme, was specifically upregulated in chondrocytes under various pathological conditions and in OA cartilage from human patients with OA and various mouse models. Adenovirus-mediated overexpression of Arg-II in mouse joint tissues caused OA pathogenesis, whereas genetic ablation of Arg2 in mice (Arg2−/−) abolished all manifestations of DMM-induced OA. Mechanistically, Arg-II appears to cause OA cartilage destruction at least partly by upregulating the expression of matrix-degrading enzymes (matrix metalloproteinase 3 [MMP3] and MMP13) in chondrocytes via the nuclear factor (NF)-κB pathway. Conclusions Our results indicate that Arg-II is a crucial regulator of OA pathogenesis in mice. Although chondrocytes of human and mouse do not identically, but similarly, respond to Arg-II, our results suggest that Arg-II could be a therapeutic target of OA pathogenesis.
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Affiliation(s)
- Wan-Su Choi
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Jeong-In Yang
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Wihak Kim
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Hyo-Eun Kim
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Seul-Ki Kim
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Yoonkyung Won
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Young-Ok Son
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Churl-Hong Chun
- Department of Orthopedic Surgery, Wonkwang University School of Medicine, Iksan, Republic of Korea
| | - Jang-Soo Chun
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
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Abstract
The increase in global lifespan has in turn increased the prevalence of osteoarthritis which is now the most common type of arthritis. Cartilage tissue located on articular joints erodes during osteoarthritis which causes pain and may lead to a crippling loss of function in patients. The pathophysiology of osteoarthritis has been understudied and currently no disease modifying treatments exist. The only current end-point treatment remains joint replacement surgery. The primary risk factor for osteoarthritis is age. Clinical and basic research is now focused on understanding the ageing process of cartilage and its role in osteoarthritis. This chapter will outline the physiology of cartilage tissue, the clinical presentation and treatment options for the disease and the cellular ageing processes which are involved in the pathophysiology of the disease.
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223
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Cheng C, Shan W, Huang W, Ding Z, Cui G, Liu F, Lu W, Xu J, He W, Yin Z. ACY-1215 exhibits anti-inflammatory and chondroprotective effects in human osteoarthritis chondrocytes via inhibition of STAT3 and NF-κB signaling pathways. Biomed Pharmacother 2018; 109:2464-2471. [PMID: 30551507 DOI: 10.1016/j.biopha.2018.11.017] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/26/2018] [Accepted: 11/06/2018] [Indexed: 12/18/2022] Open
Abstract
Cartilage degeneration is a basic pathological feature of osteoarthritis (OA), and there is growing evidence that it is associated with inflammation. ACY-1215, a selective HDAC6 inhibitor, has been reported to have anti-inflammatory effects. Here, we investigated the anti-inflammatory and chondroprotective effects of ACY-1215 in IL-1β-stimulated human primary chondrocytes and C28/I2 cells. The results suggested that ACY-1215 can markedly suppress the expression of inflammatory factors, including IL-1β and IL-6 in human primary chondrocytes and C28/I2 cells. Furthermore, ACY-1215 exerts potent chondroprotection through the amelioration of cartilage degradation by inhibiting the expression of matrix-degrading proteases, including MMP-1 and MMP-13 in chondrocytes. These effects may be related to ACY-1215 induced down-regulation of NF-κB and STAT3 pathways in OA chondrocytes. Taken together, our results show that ACY-1215 may be a potential and promising therapeutic drug for the management of OA.
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Affiliation(s)
- Chao Cheng
- Department of Orthopaedics, The Fourth Affiliated Hospital of Anhui Medical University, 372#Tun Xi Road, Hefei, 230032, Anhui, China
| | - Wenshan Shan
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China; Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 17#Lu Jiang Road, Hefei, 230001, Anhui, China
| | - Zhenfei Ding
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China
| | - Guanjun Cui
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China
| | - Fuen Liu
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China
| | - Wei Lu
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, 218#Ji Xi Road, Hefei, 230032, Anhui, China
| | - Jiegou Xu
- School of Basic Medical Sciences, Anhui Medical University, 81#Mei Shan Road, Hefei, 230032, Anhui, China
| | - Wei He
- School of Basic Medical Sciences, Anhui Medical University, 81#Mei Shan Road, Hefei, 230032, Anhui, China.
| | - Zongsheng Yin
- Department of Orthopaedics, The Fourth Affiliated Hospital of Anhui Medical University, 372#Tun Xi Road, Hefei, 230032, Anhui, China.
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Inhibition of YAP with siRNA prevents cartilage degradation and ameliorates osteoarthritis development. J Mol Med (Berl) 2018; 97:103-114. [PMID: 30465058 DOI: 10.1007/s00109-018-1705-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 09/08/2018] [Accepted: 10/14/2018] [Indexed: 10/27/2022]
Abstract
The Hippo/YAP signaling pathway is important for mediating organ size and tissue homeostasis, but its role in osteoarthritis (OA) remains unclear. We aimed to investigate the role of Hippo/YAP signaling pathway in OA development. YAP expression in OA cartilage was assessed by immunohistochemistry, RT-qPCR, and Western blotting. The effects of YAP overexpression or knockdown on gene expression related to chondrocyte hypertrophy induced by IL-1β were examined. The in vivo effects of YAP inhibition were studied. Subchondral bone was analyzed by micro-CT. YAP was increased in mice and human OA articular cartilage and chondrocytes. YAP mRNA expression level was also increased in IL-1β-induced chondrocytes. YAP overexpression resulted in increased expression of catabolic genes in response to IL-1β. Suppression of YAP by siRNA inhibited IL-1β stimulated catabolic genes expression and chondrocytes apoptosis. Intra-articular injection of YAP siRNA ameliorated OA development in mice. Micro-CT results showed the aberrant subchondral bone formation was also reduced. We provided evidence that YAP was upregulated in OA cartilage. Inhibition of YAP using YAP siRNA is a promising way to prevent cartilage degradation in OA. KEY MESSAGES: YAP was upregulated in human and mice osteoarthritis cartilage and chondrocytes. YAP siRNA decreased IL-1β-induced catabolic gene expression. Intra-articular injection of YAP siRNA ameliorated OA development. Intra-articular injection of YAP siRNA reduced aberrant subchondral bone formation.
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225
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Kang DG, Lee HJ, Lee CJ, Park JS. Inhibition of the Expression of Matrix Metalloproteinases in Articular Chondrocytes by Resveratrol through Affecting Nuclear Factor-Kappa B Signaling Pathway. Biomol Ther (Seoul) 2018; 26:560-567. [PMID: 30464073 PMCID: PMC6254641 DOI: 10.4062/biomolther.2018.132] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/30/2018] [Accepted: 09/18/2018] [Indexed: 12/31/2022] Open
Abstract
In the present study, we tried to examine whether resveratrol regulates the expression of matrix metalloproteinases (MMPs) through affecting nuclear factor-kappa B (NF-κB) in articular chondrocytes. Rabbit articular chondrocytes were cultured in a monolayer, and reverse transcription-polymerase chain reaction (RT-PCR) was used to measure interleukin-1β (IL-1β)-induced gene expression of MMP-3, MMP-1, MMP-13, a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4), ADAMTS-5 and type II collagen. Effect of resveratrol on IL-1β-induced secretion of MMP-3 was investigated in rabbit articular chondrocytes using western blot analysis. To elucidate the action mechanism of resveratrol, effect of resveratrol on IL-1β-induced NF-κB signaling pathway was investigated in SW1353, a human chondrosarcoma cell line, by western blot analysis. The results were as follows: (1) resveratrol inhibited the gene expression of MMP-3, MMP-1, MMP-13, ADAMTS-4, and ADAMTS-5, but increased the gene expression of type II collagen; (2) resveratrol reduced the secretion of MMP-3; (3) resveratrol inhibited IL-1β-induced activation (phosphorylation) of inhibitory kappa B kinase (IKK), and thus phosphorylation and degradation of inhibitory kappa Bα (IκBα); (4) resveratrol inhibited IL-1β-induced phosphorylation and nuclear translocation of NF-κB p65. This, in turn, led to the down-regulation of gene expression of MMPs in SW1353 cells. These results suggest that resveratrol can regulate the expression of MMPs through affecting NF-κB by directly acting on articular chondrocytes.
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Affiliation(s)
- Dong-Geun Kang
- Department of Orthopaedic Surgery, Gyeongsang National University Changwon Hospital, Gyeongsang National University School of Medicine, Changwon 51472, Republic of Korea
| | - Hyun Jae Lee
- Smith Liberal Arts College and Department of Addiction Science, Graduate School, Sahmyook University, Seoul 01795, Republic of Korea
| | - Choong Jae Lee
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jin Sung Park
- Department of Orthopaedic Surgery, Institute of Health Sciences, Gyeongsang National University Hospital, Gyeongsang National University School of Medicine, Jinju 52727, Republic of Korea
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226
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Murata K, Kokubun T, Morishita Y, Onitsuka K, Fujiwara S, Nakajima A, Fujino T, Takayanagi K, Kanemura N. Controlling Abnormal Joint Movement Inhibits Response of Osteophyte Formation. Cartilage 2018; 9:391-401. [PMID: 28397529 PMCID: PMC6139594 DOI: 10.1177/1947603517700955] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective Osteoarthritis (OA) is induced by accumulated mechanical stress to joints; however, little has been reported regarding the cause among detailed mechanical stress on cartilage degeneration. This study investigated the influence of the control of abnormal joint movement induced by anterior cruciate ligament (ACL) injury in the articular cartilage. Design The animals were divided into 3 experimental groups: CAJM group ( n = 22: controlling abnormal joint movement), ACL-T group ( n = 22: ACL transection or knee anterior instability increased), and INTACT group ( n = 12: no surgery). After 2 and 4 weeks, the knees were harvested for digital microscopic observation, soft X-ray analysis, histological analysis, and synovial membrane molecular evaluation. Results The 4-week OARSI scores showed that cartilage degeneration was significantly inhibited in the CAJM group as compared with the ACL-T group ( P < 0.001). At 4 weeks, the osteophyte formation had also significantly increased in the ACL-T group ( P < 0.001). These results reflected the microscopic scoring and soft X-ray analysis findings at 4 weeks. Real-time synovial membrane polymerase chain reaction analysis for evaluation of the osteophyte formation-associated factors showed that the mRNA expression of BMP-2 and VEGF in the ACL-T group had significantly increased after 2 weeks. Conclusions Typically, abnormal mechanical stress induces osteophyte formation; however, our results demonstrated that CAJM group inhibited osteophyte formation. Therefore, controlling abnormal joint movement may be a beneficial precautionary measure for OA progression in the future.
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Affiliation(s)
- Kenji Murata
- Department of Physical Therapy, School
of Health and Social Services, Saitama Prefectural University, Saitama, Japan,Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Takanori Kokubun
- Department of Physical Therapy, School
of Health and Social Services, Saitama Prefectural University, Saitama, Japan
| | - Yuri Morishita
- Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Katsuya Onitsuka
- Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Shuhei Fujiwara
- Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Aya Nakajima
- Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Tsutomu Fujino
- Department of Health and Social
Services, Course of Health and Social Services, Graduate School of Saitama
Prefectural University, Saitama, Japan
| | - Kiyomi Takayanagi
- Department of Physical Therapy, School
of Health and Social Services, Saitama Prefectural University, Saitama, Japan
| | - Naohiko Kanemura
- Department of Physical Therapy, School
of Health and Social Services, Saitama Prefectural University, Saitama, Japan,Naohiko Kanemura, Department of Physical
Therapy, School of Health and Social Services, Saitama Prefectural University,
Saitama, Japan.
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227
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Blease A, Das Neves Borges P, Curtinha M, Javaheri B, von Loga IS, Parisi I, Zarebska J, Pitsillides A, Vincent TL, Potter PK. Studying Osteoarthritis Pathogenesis in Mice. ACTA ACUST UNITED AC 2018; 8:e50. [PMID: 30240153 DOI: 10.1002/cpmo.50] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
With the increasing availability and complexity of mouse models of disease, either spontaneous or induced, there is a concomitant increase in their use in the analysis of pathogenesis. Among such diseases is osteoarthritis, a debilitating disease with few treatment options. While advances in our understanding of the pathogenesis of osteoarthritis has advanced through clinical investigations and genome-wide association studies, there is still a large gap in our knowledge, hindering advances in therapy. Patient samples are available ex vivo, but these are generally in the very late stages of disease. However, with mice, we are able to induce disease at a defined time and track the progression in vivo and ex vivo, from inception to end stage, to delineate the processes involved in disease development. © 2018 by John Wiley & Sons, Inc.
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Affiliation(s)
- Andrew Blease
- Disease Model Discovery, Mammalian Genetics Unit, MRC Harwell Institute, Oxfordshire, United Kingdom
| | - Patricia Das Neves Borges
- Institute of Physiology and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Marcia Curtinha
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford, United Kingdom
| | - Behzad Javaheri
- Skeletal Biology Group, Comparative Biomedical Sciences, The Royal Veterinary College, London, United Kingdom
| | - Isabell S von Loga
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford, United Kingdom
| | - Ida Parisi
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford, United Kingdom
| | - Jadwiga Zarebska
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford, United Kingdom
| | - Andrew Pitsillides
- Skeletal Biology Group, Comparative Biomedical Sciences, The Royal Veterinary College, London, United Kingdom
| | - Tonia L Vincent
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Headington, Oxford, United Kingdom
| | - Paul K Potter
- Disease Model Discovery, Mammalian Genetics Unit, MRC Harwell Institute, Oxfordshire, United Kingdom
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Abstract
PURPOSE OF REVIEW To assess the utilization and efficacy of platelet-rich plasma (PRP), for the treatment of articular cartilage injury, most commonly characterized by progressive pain and loss of joint function in the setting of osteoarthritis (OA). RECENT FINDINGS PRP modulates the inflammatory and catabolic environment through a locally applied concentrate of platelets, leukocytes, and growth factors. Clinically, PRP has been shown to be possibly a viable treatment adjuvant for a variety of inflammatory and degenerative conditions. Recent efforts have focused on optimizing delivery methods that enable platelets to slowly degranulate their biological constituents, which may promote healing and improve OA symptoms for a longer duration. There are various factors that affect the progression of OA within joints, including inhibition of inflammatory cytokines and altering the level of enzymatic expression. PRP therapy aims to mediate inflammatory and catabolic factors in a degenerative environment through the secretion of anti-inflammatory factors and chemotaxic effects. There are a growing number of studies that have demonstrated the clinical benefit of PRP for non-operative management of OA. Additional randomized controlled trials with long-term follow-up are needed in order to validate PRP's therapeutic efficacy in this setting. Additionally, continued basic research along with well-designed pre-clinical studies and reporting standards are necessary in order to clarify the effectiveness of PRP for cartilage repair and regeneration for future clinical applications.
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229
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Sauchinone inhibits IL-1β induced catabolism and hypertrophy in mouse chondrocytes to attenuate osteoarthritis via Nrf2/HO-1 and NF-κB pathways. Int Immunopharmacol 2018; 62:181-190. [DOI: 10.1016/j.intimp.2018.06.041] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 06/19/2018] [Accepted: 06/27/2018] [Indexed: 12/29/2022]
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230
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Hu PF, Sun FF, Jiang LF, Bao JP, Wu LD. Paeoniflorin inhibits IL-1β-induced MMP secretion via the NF-κB pathway in chondrocytes. Exp Ther Med 2018; 16:1513-1519. [PMID: 30116400 PMCID: PMC6090372 DOI: 10.3892/etm.2018.6325] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 01/26/2018] [Indexed: 01/25/2023] Open
Abstract
Paeoniflorin serves important cellular roles, exerting anti-cancer, anti-inflammatory and anti-pulmonary fibrosis effects and possesses immune-modulatory properties. However, the exact role of paeoniflorin in the pathogenesis of osteoarthritis (OA) remains unclear. The aim of the present study was to investigate the effects of paeoniflorin on articular surfaces in vitro. Rat chondrocytes were cultured in vitro and an MTT assay was performed to assess chondrocyte survival. Following treatment with interleukin (IL)-1β and paeoniflorin, the production of matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases-1 (TIMP-1) was examined using reverse transcription-quantitative polymerase chain reaction and western blotting. The interleukin (IL)-1β-induced nuclear factor (NF)-κB pathway activation was also investigated. The results demonstrated that paeoniflorin was able to downregulate the expression of MMP and increase the expression of TIMP-1ntmRNA and protein in IL-1β-induced rat chondrocytes. Furthermore, treating chondrocytes with paeoniflorin blocked the activation of NF-κB. These results suggest that paeoniflorin may serve am anti-catabolic role in the progression of OA and may be an effective preventative treatment for OA.
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Affiliation(s)
- Peng-Fei Hu
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Fang-Fang Sun
- Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Cancer Institute, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Li-Feng Jiang
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Jia-Peng Bao
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Li-Dong Wu
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
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231
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Ulici V, Kelley K, Azcarate-Peril M, Cleveland R, Sartor R, Schwartz T, Loeser R. Osteoarthritis induced by destabilization of the medial meniscus is reduced in germ-free mice. Osteoarthritis Cartilage 2018; 26:1098-1109. [PMID: 29857156 PMCID: PMC7970023 DOI: 10.1016/j.joca.2018.05.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/23/2018] [Accepted: 05/15/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To determine the contribution of the gut microbiota to the development of injury-induced osteoarthritis (OA). DESIGN OA was induced using the destabilized medial meniscus (DMM) model in 20 germ-free (GF) C57BL/6J male mice housed in a gnotobiotic facility and 23 strain-matched specific pathogen free (SPF) mice in 2 age groups -13.5 weeks avg age at DMM (17 SPF and 15 GF) and 43 weeks avg age at DMM (6 SPF and 5 GF). OA severity was measured using scores for articular cartilage structure (ACS), loss of safranin O (SafO) staining, osteophyte size, and synovial hyperplasia. Microbiome analysis by 16S rRNA amplicon sequencing was performed on stool samples and LPS and LPS binding protein (LBP) were measured in plasma. RESULTS Compared to the SPF DMM mice, the maximum (MAX) ACS score per joint was 28% lower (p = 0.036) in GF DMM mice while the SafO sum score of all sections evaluated per joint was decreased by 31% (p = 0.009). The differences between SPF and GF mice in these scores were greater when only the younger mice were included in the analysis. The younger GF DMM mice also had significant reductions in osteophyte size (36%, P = 0.0119) and LBP (27%, P = 0.007) but not synovial scores or LPS. Differences in relative abundance of a number of Operational Taxonomic Units (OTUs) were noted between SPF mice with high vs low maximum ACS scores. CONCLUSIONS These results suggest factors related to the gut microbiota promote the development of OA after joint injury.
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Affiliation(s)
- V. Ulici
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - K.L. Kelley
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - M.A. Azcarate-Peril
- Department of Medicine, Division of Gastroenterology and Hepatology, and Microbiome Core Facility, Center for Gastrointestinal Biology and Disease, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - R.J. Cleveland
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - R.B. Sartor
- Department of Medicine, Division of Gastroenterology and Hepatology and Gnotobiotic Core Facility, Center for Gastrointestinal Biology and Disease, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - T.A. Schwartz
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - R.F. Loeser
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA,Address correspondence and reprint requests to: R.F. Loeser, Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, (R.F. Loeser)
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232
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Choi MC, MaruYama T, Chun CH, Park Y. Alleviation of Murine Osteoarthritis by Cartilage-Specific Deletion of IκBζ. Arthritis Rheumatol 2018; 70:1440-1449. [PMID: 29604191 DOI: 10.1002/art.40514] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 03/22/2018] [Indexed: 01/06/2023]
Abstract
OBJECTIVE IκBζ, an atypical IκB family member, regulates gene expression in the nucleus as a transcriptional cofactor. Although IκBζ has been extensively studied in the immune system, its specific roles in osteoarthritis (OA) are currently unknown. The objective of this study was to investigate the potential role of IκBζ in chondrocyte catabolism and OA pathogenesis. We also determined the molecular mechanism underlying its relationship to the transcription factor NF-κB. METHODS We determined expression levels of IκBζ in mouse chondrocytes treated with interleukin-1β (IL-1β), in human OA cartilage, and in mouse experimental OA cartilage. Adenovirus-mediated overexpression and small interfering RNA knockdown of IκBζ were performed to determine the impact of IκBζ on catabolic gene expression in vitro. Cartilage-specific IκBζ-transgenic and -knockout mice were generated and used for in vivo studies. Experimental and spontaneous OA were induced by surgical destabilization of the medial meniscus and by aging, respectively. Coimmunoprecipitation assay was used to examine the association between IκBζ and NF-κB subunits. RESULTS IκBζ was highly up-regulated in chondrocytes in response to IL-1β and in OA cartilage of human and mouse knee joints. Overexpression of IκBζ in chondrocytes promoted spontaneous OA development by activating chondrocyte catabolism. Genetic ablation of IκBζ in chondrocytes abolished catabolic gene induction by IL-1β and protected against the development of experimental OA. IκBζ formed complexes with NF-κB members to regulate catabolic factor expression. CONCLUSION These findings demonstrate a critical role for IκBζ in OA pathogenesis. Inhibition of IκBζ function might be an effective therapeutic approach for OA treatment.
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Affiliation(s)
- Moon-Chang Choi
- Gwangju Institute of Science and Technology and Chosun University, Gwangju, Republic of Korea
| | | | - Churl-Hong Chun
- Wonkwang University School of Medicine, Iksan, Republic of Korea
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Liu JF, Lee CW, Tsai MH, Tang CH, Chen PC, Lin LW, Lin CY, Lu CH, Lin YF, Yang SH, Chao CC. Thrombospondin 2 promotes tumor metastasis by inducing matrix metalloproteinase-13 production in lung cancer cells. Biochem Pharmacol 2018; 155:537-546. [PMID: 30031810 DOI: 10.1016/j.bcp.2018.07.024] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/18/2018] [Indexed: 01/02/2023]
Abstract
Thrombospondin (TSP)-2, a matricellular glycoprotein of the TSP family, regulates multiple biological functions, including proliferation, angiogenesis, cell adhesion, and extracellular matrix (ECM) modeling. The clinical relevance of TSP-2 has been explored in many different cancers. TSP-2 expression levels vary between different cancer types, and their role in tumor progression remains controversial. Although previous studies have reported higher serum TSP-2 levels in patients with non-small cell lung cancer, the role of TSP-2 in lung cancer progression remains to be addressed. A total of 585 lung adenocarcinoma datasets, including mRNA sequencing and clinical data, were retrieved from The Cancer Genome Atlas (TCGA). Forty paired adjacent normal tissues and lung tumor tissue datasets were used to examine TSP-2 expression levels. Tumor microarray were performed with immunohistochemical staining to examine TSP-2 expression in lung cancer patients. Transwell migration assay, quantitative real-time PCR and Western blot were used to investigate molecular mechanism of TSP-2 in lung cancer cell. TSP-2 promotes matrix metalloproteinase-13 (MMP-13) expression, cell migration, and cell invasion by mediating integrin αvβ3/FAK/Akt/NF-κB signal transduction. Using TSP-2 knockdown stable cell lines, we found that TSP-2 knockdown reduces MMP-13 expression and cell mobility. When we manipulated the tumor tissue microarray and TCGA datasets to investigate the clinical relevance of TSP-2, we found high TSP-2 expression levels in lung cancer specimens. The present study demonstrates that TSP-2 regulates cell mobility through MMP-13 expression in lung cancer cells. In addition, TSP-2 expression was associated with MMP-13 expression and poor prognosis in lung cancer. TSP-2 may therefore be a promising novel target for lung cancer treatment.
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Affiliation(s)
- Ju-Fang Liu
- Central Laboratory, Shin-Kong Wu Ho-Su Memorial Hospital, Taipei City 11101, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
| | - Chiang-Wen Lee
- Division of Basic Medical Sciences, Department of Nursing, and Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chia-Yi 61363, Taiwan; Research Center for Industry of Human Ecology and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan; Department of Rehabilitation, Chang Gung Memorial Hospital, Chia-Yi 61363, Taiwan
| | - Ming-Horng Tsai
- Department of Pediatrics, Division of Neonatology and Pediatric Hematology/Oncology, Chang Gung Memorial Hospital, Yunlin 63862, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan; Department of Pharmacology, School of Medicine, China Medical University, Taichung 40402, Taiwan; Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
| | - Po-Chun Chen
- Central Laboratory, Shin-Kong Wu Ho-Su Memorial Hospital, Taipei City 11101, Taiwan; Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
| | - Liang-Wei Lin
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan
| | - Chih-Yang Lin
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan
| | - Chih-Hao Lu
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 40402, Taiwan
| | - Yu-Feng Lin
- Institute of Bioinformatics and Systems Biology, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Shih-Hsing Yang
- Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City 24205, Taiwan
| | - Chia-Chia Chao
- Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
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234
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Singh P, Marcu KB, Goldring MB, Otero M. Phenotypic instability of chondrocytes in osteoarthritis: on a path to hypertrophy. Ann N Y Acad Sci 2018; 1442:17-34. [PMID: 30008181 DOI: 10.1111/nyas.13930] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/11/2018] [Accepted: 06/21/2018] [Indexed: 12/24/2022]
Abstract
Articular chondrocytes are quiescent, fully differentiated cells responsible for the homeostasis of adult articular cartilage by maintaining cellular survival functions and the fine-tuned balance between anabolic and catabolic functions. This balance requires phenotypic stability that is lost in osteoarthritis (OA), a disease that affects and involves all joint tissues and especially impacts articular cartilage structural integrity. In OA, articular chondrocytes respond to the accumulation of injurious biochemical and biomechanical insults by shifting toward a degradative and hypertrophy-like state, involving abnormal matrix production and increased aggrecanase and collagenase activities. Hypertrophy is a necessary, transient developmental stage in growth plate chondrocytes that culminates in bone formation; in OA, however, chondrocyte hypertrophy is catastrophic and it is believed to initiate and perpetuate a cascade of events that ultimately result in permanent cartilage damage. Emphasizing changes in DNA methylation status and alterations in NF-κB signaling in OA, this review summarizes the data from the literature highlighting the loss of phenotypic stability and the hypertrophic differentiation of OA chondrocytes as central contributing factors to OA pathogenesis.
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Affiliation(s)
- Purva Singh
- HSS Research Institute, Hospital for Special Surgery, New York, New York
| | - Kenneth B Marcu
- Biochemistry and Cell Biology Department, Stony Brook University, Stony Brook, New York
| | - Mary B Goldring
- HSS Research Institute, Hospital for Special Surgery, New York, New York.,Department of Cell and Developmental Biology, Weill Cornell Medical College and Weill Cornell Graduate School of Medical Sciences, New York, New York
| | - Miguel Otero
- HSS Research Institute, Hospital for Special Surgery, New York, New York
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235
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Proprotein convertase furin inhibits matrix metalloproteinase 13 in a TGFβ-dependent manner and limits osteoarthritis in mice. Sci Rep 2018; 8:10488. [PMID: 29992982 PMCID: PMC6041273 DOI: 10.1038/s41598-018-28713-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 06/22/2018] [Indexed: 12/24/2022] Open
Abstract
Cartilage loss in osteoarthritis (OA) results from altered local production of growth factors and metalloproteases (MMPs). Furin, an enzyme involved in the protein maturation of MMPs, might regulate chondrocyte function. Here, we tested the effect of furin on chondrocyte catabolism and the development of OA. In primary chondrocytes, furin reduced the expression of MMP-13, which was reversed by treatment with the furin inhibitor α1-PDX. Furin also promoted the activation of Smad3 signaling, whereas activin receptor-like kinase 5 (ALK5) knockdown mitigated the effects of furin on MMP-13 expression. Mice underwent destabilization of the medial meniscus (DMM) to induce OA, then received furin (1 U/mice), α1-PDX (14 µg/mice) or vehicle. In mice with DMM, the OA score was lower with furin than vehicle treatment (6.42 ± 0.75 vs 9.16 ± 0.6, p < 0.01), and the number of MMP-13(+) chondrocytes was lower (4.96 ± 0.60% vs 20.96 ± 8.49%, p < 0.05). Moreover, furin prevented the increase in ALK1/ALK5 ratio in cartilage induced by OA. Conversely, α1-PDX had no effect on OA cartilage structure. These results support a protective role for furin in OA by maintaining ALK5 receptor levels and reducing MMP-13 expression. Therefore, furin might be a potential target mediating the development of OA.
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236
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Coveney CR, Collins I, Mc Fie M, Chanalaris A, Yamamoto K, Wann AKT. Cilia protein IFT88 regulates extracellular protease activity by optimizing LRP-1-mediated endocytosis. FASEB J 2018; 32:fj201800334. [PMID: 29920219 PMCID: PMC6219823 DOI: 10.1096/fj.201800334] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 06/04/2018] [Indexed: 01/15/2023]
Abstract
Matrix protease activity is fundamental to developmental tissue patterning and remains influential in adult homeostasis. In cartilage, the principal matrix proteoglycan is aggrecan, the protease-mediated catabolism of which defines arthritis; however, the pathophysiologic mechanisms that drive aberrant aggrecanolytic activity remain unclear. Human ciliopathies exhibit altered matrix, which has been proposed to be the result of dysregulated hedgehog signaling that is tuned within the primary cilium. Here, we report that disruption of intraflagellar transport protein 88 (IFT88), a core ciliary trafficking protein, increases chondrocyte aggrecanase activity in vitro. We find that the receptor for protease endocytosis in chondrocytes, LDL receptor-related protein 1 (LRP-1), is unevenly distributed over the cell membrane, often concentrated at the site of cilia assembly. Hypomorphic mutation of IFT88 disturbs this apparent hot spot for protease uptake, increases receptor shedding, and results in a reduced rate of protease clearance from the extracellular space. We propose that IFT88 and/or the cilium regulates the extracellular remodeling of matrix-independently of Hedgehog regulation-by enabling rapid LRP-1-mediated endocytosis of proteases, potentially by supporting the creation of a ciliary pocket. This result highlights new roles for the cilium's machinery in matrix turnover and LRP-1 function, with potential relevance in a range of diseases.-Coveney, C. R., Collins, I., Mc Fie, M., Chanalaris, A., Yamamoto, K., Wann, A. K. T. Cilia protein IFT88 regulates extracellular protease activity by optimizing LRP-1-mediated endocytosis.
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Affiliation(s)
- Clarissa R. Coveney
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Isabella Collins
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Megan Mc Fie
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Anastasios Chanalaris
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Kazuhiro Yamamoto
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom
| | - Angus K. T. Wann
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
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237
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Genetic abrogation of the fibronectin-α5β1 integrin interaction in articular cartilage aggravates osteoarthritis in mice. PLoS One 2018; 13:e0198559. [PMID: 29870552 PMCID: PMC5988303 DOI: 10.1371/journal.pone.0198559] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 05/21/2018] [Indexed: 02/02/2023] Open
Abstract
The balance between synthesis and degradation of the cartilage extracellular matrix is severely altered in osteoarthritis, where degradation predominates. One reason for this imbalance is believed to be due to the ligation of the α5β1 integrin, the classic fibronectin (FN) receptor, with soluble FN fragments instead of insoluble FN fibrils, which induces matrix metalloproteinase (MMP) expression. Our objective was to determine whether the lack of α5β1-FN binding influences cartilage morphogenesis in vivo and whether non-ligated α5β1 protects or aggravates the course of osteoarthritis in mice. We engineered mice (Col2a-Cre;Fn1RGE/fl), whose chondrocytes express an α5β1 binding-deficient FN, by substituting the aspartic acid of the RGD cell-binding motif with a glutamic acid (FN-RGE). At an age of 5 months the knee joints were stressed either by forced exercise (moderate mechanical load) or by partially resecting the meniscus followed by forced exercise (high mechanical load). Sections of femoral articular knees were analysed by Safranin-O staining and by immunofluorescence to determine tissue morphology, extracellular matrix proteins and matrix metalloproteinase expression. The articular cartilage from untrained control and Col2a-Cre;Fn1RGE/fl mice was normal, while the exposure to high mechanical load induced osteoarthritis characterized by proteoglycan and collagen type II loss. In the Col2a-Cre;Fn1RGE/fl articular cartilage osteoarthritis progressed significantly faster than in wild type mice. Mechanistically, we observed increased expression of MMP-13 and MMP-3 metalloproteinases in FN-RGE expressing articular cartilage, which severely affected matrix remodelling. Our results underscore the critical role of FN-α5β1 adhesion as ECM sensor in circumstances of articular cartilage regeneration.
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238
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Choi MC, Choi WH. Mithramycin A Alleviates Osteoarthritic Cartilage Destruction by Inhibiting HIF-2α Expression. Int J Mol Sci 2018; 19:ijms19051411. [PMID: 29747385 PMCID: PMC5983647 DOI: 10.3390/ijms19051411] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 04/25/2018] [Accepted: 05/04/2018] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common and increasing joint disease worldwide. Current treatment for OA is limited to control of symptoms. The purpose of this study was to determine the effect of specificity protein 1 (SP1) inhibitor Mithramycin A (MitA) on chondrocyte catabolism and OA pathogenesis and to explore the underlying molecular mechanisms involving SP1 and other key factors that are critical for OA. Here, we show that MitA markedly inhibited expressions of matrix-degrading enzymes induced by pro-inflammatory cytokine interleukin-1β (IL-1β) in mouse primary chondrocytes. Intra-articular injection of MitA into mouse knee joint alleviated OA cartilage destruction induced by surgical destabilization of the medial meniscus (DMM). However, modulation of SP1 level in chondrocyte and mouse cartilage did not alter catabolic gene expression or cartilage integrity, respectively. Instead, MitA significantly impaired the expression of HIF-2α known to be critical for OA pathogenesis. Such reduction in expression of HIF-2α by MitA was caused by inhibition of NF-κB activation, at least in part. These results suggest that MitA can alleviate OA pathogenesis by suppressing NF-κB-HIF-2α pathway, thus providing insight into therapeutic strategy for OA.
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Affiliation(s)
- Moon-Chang Choi
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea.
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
| | - Woo Hee Choi
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea.
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239
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Itoh Y. Discoidin domain receptors: Microenvironment sensors that promote cellular migration and invasion. Cell Adh Migr 2018; 12:378-385. [PMID: 29671358 PMCID: PMC6363040 DOI: 10.1080/19336918.2018.1460011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Extracellular matrix (ECM) provides cells scaffolding for cell migration and microenvironment for various cellular functions. Collagens are major ECM components in tissue and discoidin domain receptors (DDRs) are receptor tyrosine kinases (RTK) that recognise fibrillar collagens. Unlike other RTK, their ligands are solid ECM the that are abundantly present in the pericellular environment in various tissue, and thus its activation and regulations are unique amongst RTK family. It is emerging that DDRs may be the sensors that monitor and detects changes in ECM microenvironment and determines the cellular fates upon tissue injuries. In this mini-review, recent findings on the role of DDRs as microenvironment sensor and their roles in cell migration and invasion are discussed.
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Affiliation(s)
- Yoshifumi Itoh
- a Kennedy Institute of Rheumatology, University of Oxford , Roosevelt Drive, Headington , Oxford , UK
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240
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Nishida K, Matsushita T, Takayama K, Tanaka T, Miyaji N, Ibaraki K, Araki D, Kanzaki N, Matsumoto T, Kuroda R. Intraperitoneal injection of the SIRT1 activator SRT1720 attenuates the progression of experimental osteoarthritis in mice. Bone Joint Res 2018; 7:252-262. [PMID: 29922443 PMCID: PMC5987681 DOI: 10.1302/2046-3758.73.bjr-2017-0227.r1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objectives This study aimed to examine the effects of SRT1720, a potent SIRT1 activator, on osteoarthritis (OA) progression using an experimental OA model. Methods Osteoarthritis was surgically induced by destabilization of the medial meniscus in eight-week-old C57BL/6 male mice. SRT1720 was administered intraperitoneally twice a week after surgery. Osteoarthritis progression was evaluated histologically using the Osteoarthritis Research Society International (OARSI) score at four, eight, 12 and 16 weeks. The expression of SIRT1, matrix metalloproteinase 13 (MMP-13), a disintegrin and metalloproteinase with thrombospondin motifs-5 (ADAMTS-5), cleaved caspase-3, PARP p85, and acetylated nuclear factor (NF)-κB p65 in cartilage was examined by immunohistochemistry. Synovitis was also evaluated histologically. Primary mouse epiphyseal chondrocytes were treated with SRT1720 in the presence or absence of interleukin 1 beta (IL-1β), and gene expression changes were examined by real-time polymerase chain reaction (PCR). Results The OARSI score was significantly lower in mice treated with SRT1720 than in control mice at eight and 12 weeks associated with the decreased size of osteophytes at four and eight weeks. The delayed OA progression in the mice treated with SRT1720 was also associated with increased SIRT1-positive chondrocytes and decreased MMP-13-, ADAMTS-5-, cleaved caspase-3-, PARP p85-, and acetylated NF-κB p65-positive chondrocytes and decreased synovitis at four and eight weeks. SRT1720 treatment partially rescued the decreases in collagen type II alpha 1 (COL2A1) and aggrecan caused by IL-1β, while also reducing the induction of MMP-13 by IL-1β in vitro. Conclusion The intraperitoneal injection of SRT1720 attenuated experimental OA progression in mice, indicating that SRT1720 could be a new therapeutic approach for OA.Cite this article: K. Nishida, T. Matsushita, K. Takayama, T. Tanaka, N. Miyaji, K. Ibaraki, D. Araki, N. Kanzaki, T. Matsumoto, R. Kuroda. Intraperitoneal injection of the SIRT1 activator SRT1720 attenuates the progression of experimental osteoarthritis in mice. Bone Joint Res 2018;7:252-262. DOI: 10.1302/2046-3758.73.BJR-2017-0227.R1.
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Affiliation(s)
- K Nishida
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - K Takayama
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Tanaka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - N Miyaji
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - K Ibaraki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - D Araki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - N Kanzaki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - R Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
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241
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Grafe I, Alexander S, Peterson JR, Snider TN, Levi B, Lee B, Mishina Y. TGF-β Family Signaling in Mesenchymal Differentiation. Cold Spring Harb Perspect Biol 2018; 10:a022202. [PMID: 28507020 PMCID: PMC5932590 DOI: 10.1101/cshperspect.a022202] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mesenchymal stem cells (MSCs) can differentiate into several lineages during development and also contribute to tissue homeostasis and regeneration, although the requirements for both may be distinct. MSC lineage commitment and progression in differentiation are regulated by members of the transforming growth factor-β (TGF-β) family. This review focuses on the roles of TGF-β family signaling in mesenchymal lineage commitment and differentiation into osteoblasts, chondrocytes, myoblasts, adipocytes, and tenocytes. We summarize the reported findings of cell culture studies, animal models, and interactions with other signaling pathways and highlight how aberrations in TGF-β family signaling can drive human disease by affecting mesenchymal differentiation.
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Affiliation(s)
- Ingo Grafe
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Stefanie Alexander
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Jonathan R Peterson
- Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Taylor Nicholas Snider
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
| | - Benjamin Levi
- Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Yuji Mishina
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
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242
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Wondimu EB, Culley KL, Quinn J, Chang J, Dragomir CL, Plumb DA, Goldring MB, Otero M. Elf3 Contributes to Cartilage Degradation in vivo in a Surgical Model of Post-Traumatic Osteoarthritis. Sci Rep 2018; 8:6438. [PMID: 29691435 PMCID: PMC5915581 DOI: 10.1038/s41598-018-24695-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 04/09/2018] [Indexed: 11/23/2022] Open
Abstract
The E-74 like factor 3 (ELF3) is a transcription factor induced by inflammatory factors in various cell types, including chondrocytes. ELF3 levels are elevated in human cartilage from patients with osteoarthritis (OA), and ELF3 contributes to the IL-1β-induced expression of genes encoding Mmp13, Nos2, and Ptgs2/Cox2 in chondrocytes in vitro. Here, we investigated the contribution of ELF3 to cartilage degradation in vivo, using a mouse model of OA. To this end, we generated mouse strains with cartilage-specific Elf3 knockout (Col2Cre:Elf3f/f) and Comp-driven Tet-off-inducible Elf3 overexpression (TRE-Elf3:Comp-tTA). To evaluate the contribution of ELF3 to OA, we induced OA in 12-week-old Col2Cre:Elf3f/f and 6-month-old TRE-Elf3:Comp-tTA male mice using the destabilization of the medial meniscus (DMM) model. The chondrocyte-specific deletion of Elf3 led to decreased levels of IL-1β- and DMM-induced Mmp13 and Nos2 mRNA in vitro and in vivo, respectively. Histological grading showed attenuation of cartilage loss in Elf3 knockout mice compared to wild type (WT) littermates at 8 and 12 weeks following DMM surgery that correlated with reduced collagenase activity. Accordingly, Elf3 overexpression led to increased cartilage degradation post-surgery compared to WT counterparts. Our results provide evidence that ELF3 is a central contributing factor for cartilage degradation in post-traumatic OA in vivo.
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Affiliation(s)
- Elisabeth B Wondimu
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.,Weill Cornell Graduate School of Medical Sciences, New York, NY, 10021, USA
| | - Kirsty L Culley
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Justin Quinn
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Jun Chang
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Cecilia L Dragomir
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Darren A Plumb
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Mary B Goldring
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.,Weill Cornell Graduate School of Medical Sciences, New York, NY, 10021, USA.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY, 10021, USA
| | - Miguel Otero
- HSS Research Institute, Hospital for Special Surgery, New York, NY, 10021, USA.
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243
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O’Grady KP, Kavanaugh TE, Cho H, Ye H, Gupta MK, Madonna MC, Lee J, O’Brien CM, Skala MC, Hasty KA, Duvall CL. Drug-Free ROS Sponge Polymeric Microspheres Reduce Tissue Damage from Ischemic and Mechanical Injury. ACS Biomater Sci Eng 2018; 4:1251-1264. [PMID: 30349873 PMCID: PMC6195321 DOI: 10.1021/acsbiomaterials.6b00804] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The inherent antioxidant function of poly(propylene sulfide) (PPS) microspheres (MS) was dissected for different reactive oxygen species (ROS), and therapeutic benefits of PPS-MS were explored in models of diabetic peripheral arterial disease (PAD) and mechanically induced post-traumatic osteoarthritis (PTOA). PPS-MS (∼1 μm diameter) significantly scavenged hydrogen peroxide (H2O2), hypochlorite, and peroxynitrite but not superoxide in vitro in cell-free and cell-based assays. Elevated ROS levels (specifically H2O2) were confirmed in both a mouse model of diabetic PAD and in a mouse model of PTOA, with greater than 5- and 2-fold increases in H2O2, respectively. PPS-MS treatment functionally improved recovery from hind limb ischemia based on ∼15-25% increases in hemoglobin saturation and perfusion in the footpads as well as earlier remodeling of vessels in the proximal limb. In the PTOA model, PPS-MS reduced matrix metalloproteinase (MMP) activity by 30% and mitigated the resultant articular cartilage damage. These results suggest that local delivery of PPS-MS at sites of injury-induced inflammation improves the vascular response to ischemic injury in the setting of chronic hyperglycemia and reduces articular cartilage destruction following joint trauma. These results motivate further exploration of PPS as a stand-alone, locally sustained antioxidant therapy and as a material for microsphere-based, sustained local drug delivery to inflamed tissues at risk of ROS damage.
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Affiliation(s)
- Kristin P. O’Grady
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Taylor E. Kavanaugh
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Hongsik Cho
- Orthopaedic Surgery and Biomedical Engineering, University of Tennessee Health Science Center, Research Service 151, VA Medical Center, 1030 Jefferson Avenue, Memphis, Tennessee 38104, United States
| | - Hanrong Ye
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Mukesh K. Gupta
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Megan C. Madonna
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Jinjoo Lee
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Christine M. O’Brien
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Melissa C. Skala
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Karen A. Hasty
- Orthopaedic Surgery and Biomedical Engineering, University of Tennessee Health Science Center, Research Service 151, VA Medical Center, 1030 Jefferson Avenue, Memphis, Tennessee 38104, United States
| | - Craig L. Duvall
- Biomedical Engineering, Vanderbilt University, 1225 Stevenson Center Lane, 5824 Stevenson Center, Nashville, Tennessee 37235, United States
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244
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Ogura T, Tsuchiya A, Minas T, Mizuno S. Optimization of Extracellular Matrix Synthesis and Accumulation by Human Articular Chondrocytes in 3-Dimensional Construct with Repetitive Hydrostatic Pressure. Cartilage 2018; 9:192-201. [PMID: 29262701 PMCID: PMC5871128 DOI: 10.1177/1947603517743546] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Objective The effects of hydrostatic pressure (HP) on the matrix synthesis by human articular chondrocytes have been reported elsewhere. In order to optimize the production of extracellular matrix, we aimed to clarify the effects of repetitive HP on metabolic function by human articular chondrocytes. Design The human articular chondrocytes were expanded and embedded within a collagen gel/sponge scaffold. We incubated these constructs with and without HP followed by atmospheric pressure (AP) and repeated the second HP followed by AP over 14 days. Genomic, biochemical, and histological evaluation were performed to compare the effects of each regimen on the constructs. Results The gene expressions of collagen type II and aggrecan core protein were significantly upregulated with repetitive HP regimens compared with a single HP or AP by 14 days ( P < 0.01 or 0.05). Matrix metalloptoteinase-13 (MMP-13) in AP was upregulated significantly compared to other HP regimens at day 14 ( P < 0.01). No significant difference was observed in tissue inhibitor of metalloproteinases-II. Immunohistology demonstrated that application of HP (both repetitive and single) promoted the accumulation of specific extracellular matrix and reduced a MMP-13. A single regimen of HP followed by AP significantly increased the amount of sulfated glycosaminoglycan than that of the AP, whereas repetitive HP remained similar level of that of the AP. Conclusions Repetitive HP had a greater effect on anabolic activity by chondrocytes than a single HP regimen, which will be advantageous for producing a matrix-rich cell construct.
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Affiliation(s)
- Takahiro Ogura
- Department of Orthopedic Surgery,
Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA,Funabashi Orthopaedic Hospital Sports
Medicine Center, Funabashi, Chiba, Japan
| | - Akihiro Tsuchiya
- Funabashi Orthopaedic Hospital Sports
Medicine Center, Funabashi, Chiba, Japan
| | - Tom Minas
- Department of Orthopedic Surgery,
Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Shuichi Mizuno
- Department of Orthopedic Surgery,
Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA,Shuichi Mizuno, Orthopedic Surgery, Brigham
and Women’s Hospital and Harvard Medical School, 75 Francis Street, Boston, MA
02115, USA.
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245
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Ripmeester EGJ, Timur UT, Caron MMJ, Welting TJM. Recent Insights into the Contribution of the Changing Hypertrophic Chondrocyte Phenotype in the Development and Progression of Osteoarthritis. Front Bioeng Biotechnol 2018; 6:18. [PMID: 29616218 PMCID: PMC5867295 DOI: 10.3389/fbioe.2018.00018] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 02/08/2018] [Indexed: 12/31/2022] Open
Abstract
Osteoarthritis (OA) is an extremely prevalent age-related condition. The economic and societal burden due to the cost of symptomatic treatment, inability to work, joint replacement, and rehabilitation is huge and increasing. Currently, there are no effective medical therapies that delay or reverse the pathological manifestations of OA. Current treatment options are, without exception, focused on slowing down progression of the disease to postpone total joint replacement surgery for as long as possible and keeping the associated pain and joint immobility manageable. Alterations in the articular cartilage chondrocyte phenotype might be fundamental in the pathological mechanisms of OA development. In many ways, the changing chondrocyte phenotype in osteoarthritic cartilage resembles the process of endochondral ossification as seen, for instance, in developing growth plates. However, the relative contribution of endochondral ossification to the changing chondrocyte phenotype in the development and progression of OA remains poorly described. In this review, we will discuss the current knowledge regarding the cartilage endochondral phenotypic changes occurring during OA development and progression, as well as the molecular and environmental effectors driving these changes. Understanding how these molecular mechanisms determine the chondrocyte cell fate in OA will be essential in enabling cartilage regenerative approaches in future treatments of OA.
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Affiliation(s)
- Ellen G J Ripmeester
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Ufuk Tan Timur
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Marjolein M J Caron
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Tim J M Welting
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, Maastricht University Medical Center, Maastricht, Netherlands
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246
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Motomura H, Seki S, Shiozawa S, Aikawa Y, Nogami M, Kimura T. A selective c-Fos/AP-1 inhibitor prevents cartilage destruction and subsequent osteophyte formation. Biochem Biophys Res Commun 2018; 497:756-761. [DOI: 10.1016/j.bbrc.2018.02.147] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 02/17/2018] [Indexed: 10/18/2022]
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247
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Kim JR, Yoo JJ, Kim HA. Therapeutics in Osteoarthritis Based on an Understanding of Its Molecular Pathogenesis. Int J Mol Sci 2018; 19:ijms19030674. [PMID: 29495538 PMCID: PMC5877535 DOI: 10.3390/ijms19030674] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 02/14/2018] [Accepted: 02/21/2018] [Indexed: 12/30/2022] Open
Abstract
Osteoarthritis (OA) is the most prevalent joint disease in older people and is characterized by the progressive destruction of articular cartilage, synovial inflammation, changes in subchondral bone and peri-articular muscle, and pain. Because our understanding of the aetiopathogenesis of OA remains incomplete, we haven’t discovered a cure for OA yet. This review appraises novel therapeutics based on recent progress in our understanding of the molecular pathogenesis of OA, including pro-inflammatory and pro-catabolic mediators and the relevant signalling mechanisms. The changes in subchondral bone and peri-articular muscle accompanying cartilage damage are also reviewed.
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Affiliation(s)
- Ju-Ryoung Kim
- Rheumatology Division, Department of Internal Medicine, Hallym University Sacred Heart Hospital, 896, Pyongchondong, Dongan-gu, Anyang, Kyunggi-do 431-070, Korea.
| | - Jong Jin Yoo
- Department of Internal Medicine, Kangdong Sacred Heart Hospital, Seoul 05355, Korea.
| | - Hyun Ah Kim
- Rheumatology Division, Department of Internal Medicine, Hallym University Sacred Heart Hospital, 896, Pyongchondong, Dongan-gu, Anyang, Kyunggi-do 431-070, Korea.
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248
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Sieker JT, Proffen BL, Waller KA, Chin KE, Karamchedu NP, Akelman MR, Perrone GS, Kiapour AM, Konrad J, Fleming BC, Murray MM. Transcriptional profiling of synovium in a porcine model of early post-traumatic osteoarthritis. J Orthop Res 2018; 36:10.1002/jor.23876. [PMID: 29460983 PMCID: PMC6102098 DOI: 10.1002/jor.23876] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 02/15/2018] [Indexed: 02/04/2023]
Abstract
To determine the transcriptional profile of synovium during the molecular phase of post-traumatic osteoarthritis, anterior cruciate ligament transections (ACL) were performed in 36 Yucatan minipigs. Equal numbers were randomly assigned to no further treatment, ACL reconstruction or repair. Perimeniscal synovium for histopathology and RNA-sequencing was harvested at 1 and 4 weeks post-operatively and from six healthy control animals. Microscopic synovitis scores significantly worsened at 1 (p < 0.001) and 4 weeks (p = 0.003) post-surgery relative to controls, and were driven by intimal hyperplasia and increased stromal cellularity without inflammatory infiltrates. Synovitis scores were similar between no treatment, reconstruction, and repair groups (p ≥ 0.668). Relative to no treatment at 1 week, 88 and 367 genes were differentially expressed in the reconstruction and repair groups, respectively (227 and 277 at 4 weeks). Relative to controls and with the treatment groups pooled, 1,683 transcripts were concordantly differentially expressed throughout the post-surgery time-course. Affected pathways included, proteolysis_connective tissue degradation (including upregulations of protease-encoding MMP1, MMP13, and ADAMTS4), and development_cartilage development (including upregulations of ACAN, SOX9, and RUNX2), among others. Using linear regression, significant associations of post-surgery synovial expression levels of 20 genes with the articular cartilage glycosaminoglycan loss were identified. These genes were predominantly related to embryonic skeletal system development and included RUNX2. In conclusion, this study confirmed an increased synovial expression of genes that may serve as targets to prevent cartilage degradation, including MMP1, MMP13, and ADAMTS4, in knees with microscopic synovitis and cartilage proteoglycan loss. Attractive novel targets include regulators of embryonic developmental processes in synovium. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res.
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Affiliation(s)
- Jakob T. Sieker
- Boston Children's Hospital, Harvard Medical School, Boston, MA
| | | | - Kimberly A. Waller
- Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI
| | - Kaitlyn E. Chin
- Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI
| | | | - Matthew R. Akelman
- Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI
| | | | - Ata M. Kiapour
- Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Johannes Konrad
- Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Braden C. Fleming
- Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI
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249
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Abstract
Despite an increased understanding of the pathogenesis of osteoarthritis (OA) and the availability of a number of drugs designed to ameliorate its symptoms, a successful disease-modifying therapy remains elusive. Recent lines of evidence suggest that dehydroepiandrosterone (DHEA), a 19-carbon steroid hormone classified as an adrenal androgen, exerts a chondroprotective effect in OA patients, and it has been proven to be an effective DMOAD candidate that slows OA progression. However, the exact mechanisms underlying its anti-OA effect is largely unknown. This review summarizes emerging observations from studies of cell biology, preclinical animal studies, and preliminary clinical trials and describes the findings of investigations on this topic to develop an initial blueprint of the mechanisms by which DHEA slows OA progression. Presently, studies on DMOADs are increasing in importance but have met limited success. Encouragingly, the current data on DHEA are promising and may prove that DHEA-based treatment is efficacious for preventing and slowing human OA progression.
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250
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Holyoak DT, Otero M, Armar NS, Ziemian SN, Otto A, Cullinane D, Wright TM, Goldring SR, Goldring MB, van der Meulen MC. Collagen XI mutation lowers susceptibility to load-induced cartilage damage in mice. J Orthop Res 2018; 36:711-720. [PMID: 28898438 PMCID: PMC8813548 DOI: 10.1002/jor.23731] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 08/31/2017] [Indexed: 02/04/2023]
Abstract
Interactions among risk factors for osteoarthritis (OA) are not well understood. We investigated the combined impact of two prevalent risk factors: mechanical loading and genetically abnormal cartilage tissue properties. We used cyclic tibial compression to simulate mechanical loading in the cho/+ (Col11a1 haploinsufficient) mouse, which has abnormal collagen fibrils in cartilage due to a point mutation in the Col11a1 gene. We hypothesized that the mutant collagen would not alter phenotypic bone properties and that cho/+ mice, which develop early onset OA, would develop enhanced load-induced cartilage damage compared to their littermates. To test our hypotheses, we applied cyclic compression to the left tibiae of 6-month-old cho/+ male mice and wild-type (WT) littermates for 1, 2, and 6 weeks at moderate (4.5 N) and high (9.0 N) peak load magnitudes. We then characterized load-induced cartilage and bone changes by histology, microcomputed tomography, and immunohistochemistry. Prior to loading, cho/+ mice had less dense, thinner cortical bone compared to WT littermates. In addition, in loaded and non-loaded limbs, cho/+ mice had thicker cartilage. With high loads, cho/+ mice experienced less load-induced cartilage damage at all time points and displayed decreased matrix metalloproteinase (MMP)-13 levels compared to WT littermates. The thinner, less dense cortical bone and thicker cartilage were unexpected and may have contributed to the reduced severity of load-induced cartilage damage in cho/+ mice. Furthermore, the spontaneous proteoglycan loss resulting from the mutant collagen XI was not additive to cartilage damage from mechanical loading, suggesting that these risk factors act through independent pathways. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:711-720, 2018.
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Affiliation(s)
| | | | | | | | | | | | - Timothy M. Wright
- Cornell University, Ithaca, NY,Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Steven R. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Mary B. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
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