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Feng J, Zhang Q, Pu F, Zhu Z, Lu K, Lu WW, Tong L, Yu H, Chen D. Signalling interaction between β-catenin and other signalling molecules during osteoarthritis development. Cell Prolif 2024; 57:e13600. [PMID: 38199244 PMCID: PMC11150147 DOI: 10.1111/cpr.13600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/29/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent disorder of synovial joint affecting multiple joints. In the past decade, we have witnessed conceptual switch of OA pathogenesis from a 'wear and tear' disease to a disease affecting entire joint. Extensive studies have been conducted to understand the underlying mechanisms of OA using genetic mouse models and ex vivo joint tissues derived from individuals with OA. These studies revealed that multiple signalling pathways are involved in OA development, including the canonical Wnt/β-catenin signalling and its interaction with other signalling pathways, such as transforming growth factor β (TGF-β), bone morphogenic protein (BMP), Indian Hedgehog (Ihh), nuclear factor κB (NF-κB), fibroblast growth factor (FGF), and Notch. The identification of signalling interaction and underlying mechanisms are currently underway and the specific molecule(s) and key signalling pathway(s) playing a decisive role in OA development need to be evaluated. This review will focus on recent progresses in understanding of the critical role of Wnt/β-catenin signalling in OA pathogenesis and interaction of β-catenin with other pathways, such as TGF-β, BMP, Notch, Ihh, NF-κB, and FGF. Understanding of these novel insights into the interaction of β-catenin with other pathways and its integration into a complex gene regulatory network during OA development will help us identify the key signalling pathway of OA pathogenesis leading to the discovery of novel therapeutic strategies for OA intervention.
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Affiliation(s)
- Jing Feng
- Department of Orthopedics, Traditional Chinese and Western Medicine Hospital of WuhanTongji Medical College, Huazhong University of Science and TechnologyWuhanHubeiChina
- Department of OrthopedicsWuhan No. 1 HospitalWuhanHubeiChina
| | - Qing Zhang
- Department of EmergencyRenmin Hospital, Wuhan UniversityWuhanHubeiChina
| | - Feifei Pu
- Department of Orthopedics, Traditional Chinese and Western Medicine Hospital of WuhanTongji Medical College, Huazhong University of Science and TechnologyWuhanHubeiChina
- Department of OrthopedicsWuhan No. 1 HospitalWuhanHubeiChina
| | - Zhenglin Zhu
- Department of Orthopedic Surgerythe First Affiliated Hospital of Chongqing Medical UniversityChongqingChina
| | - Ke Lu
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
- Research Center for Computer‐aided Drug DiscoveryShenzhen Institute of Advanced Technology, Chinese Academy of SciencesShenzhenChina
| | - William W. Lu
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
| | - Liping Tong
- Research Center for Computer‐aided Drug DiscoveryShenzhen Institute of Advanced Technology, Chinese Academy of SciencesShenzhenChina
| | - Huan Yu
- Department of Orthopedics, Traditional Chinese and Western Medicine Hospital of WuhanTongji Medical College, Huazhong University of Science and TechnologyWuhanHubeiChina
- Department of OrthopedicsWuhan No. 1 HospitalWuhanHubeiChina
| | - Di Chen
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
- Research Center for Computer‐aided Drug DiscoveryShenzhen Institute of Advanced Technology, Chinese Academy of SciencesShenzhenChina
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Zhang Y, Chen H, Wu J, McVicar A, Chen Y, Su J, Li YP, Chen W. Deficiency of Cbfβ in articular cartilage leads to osteoarthritis-like phenotype through Hippo/Yap, TGFβ, and Wnt/β-catenin signaling pathways. Int J Biol Sci 2024; 20:1965-1977. [PMID: 38617544 PMCID: PMC11008268 DOI: 10.7150/ijbs.90250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 01/05/2024] [Indexed: 04/16/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative joint disorder, causing physical impairments among the elderly. Core binding factor subunit β (Cbfβ) has a critical role in bone homeostasis and cartilage development. However, the function and mechanism of Cbfβ in articular cartilage and OA remains unclear. We found that Cbfβf/fAggrecan-CreERT mice with Cbfβ-deficiency in articular cartilage developed a spontaneous osteoarthritis-like phenotype with articular cartilage degradation. Immunofluorescence staining showed that Cbfβf/fAggrecan-CreERT mice exhibited a significant increase in the expression of articular cartilage degradation markers and inflammatory markers in the knee joints. RNA-sequencing analysis demonstrated that Cbfβ orchestrated Hippo/Yap, TGFβ/Smad, and Wnt/β-catenin signaling pathways in articular cartilage, and Cbfβ deficiency resulted in the abnormal expression of downstream genes involved in maintaining articular cartilage homeostasis. Immunofluorescence staining results showed Cbfβ deficiency significantly increased active β-catenin and TCF4 expression while reducing Yap, TGFβ1, and p-Smad 2/3 expression. Western blot and qPCR validated gene expression changes in hip articular cartilage of Cbfβ-deficient mice. Our results demonstrate that deficiency of Cbfβ in articular cartilage leads to an OA-like phenotype via affecting Hippo/Yap, TGFβ, and Wnt/β-catenin signaling pathways, disrupting articular cartilage homeostasis and leading to the pathological process of OA in mice. Our results indicate that targeting Cbfβ may be a potential therapeutic target for the design of novel and effective treatments for OA.
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Affiliation(s)
- Yan Zhang
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, Biomedical Informatics and Genomics Center, School of Life Science and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an 710049, P.R. China
| | - Huiwen Chen
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Jinjin Wu
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Abigail McVicar
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, 70112, USA
| | - Yilin Chen
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, 70112, USA
| | - Jiacan Su
- Institute of Translational Medicine, Shanghai University, Shanghai, P.R. China
| | - Yi-Ping Li
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, 70112, USA
| | - Wei Chen
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, 70112, USA
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Huang J, Lai Y, Li J, Zhao L. Loss of miR-204 and miR-211 shifts osteochondral balance and causes temporomandibular joint osteoarthritis. J Cell Physiol 2023; 238:2668-2678. [PMID: 37697972 PMCID: PMC10841301 DOI: 10.1002/jcp.31120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/08/2023] [Accepted: 08/29/2023] [Indexed: 09/13/2023]
Abstract
Temporomandibular joint (TMJ) osteoarthritis (OA) is a common type of TMJ disorders causing pain and dysfunction in the jaw and surrounding tissues. The causes for TMJ OA are unknown and the underlying mechanism remains to be identified. In this study, we generated genetically-modified mice deficient of two homologous microRNAs, miR-204 and miR-211, both of which were confirmed by in situ hybridization to be expressed in multiple TMJ tissues, including condylar cartilage, articular eminence, and TMJ disc. Importantly, the loss-of-function of miR-204 and miR-211 caused an age-dependent progressive OA-like phenotype, including cartilage degradation and abnormal subchondral bone remodeling. Mechanistically, the TMJ joint deficient of the two microRNAs demonstrated a significant accumulation of RUNX2, a protein directly targeted by miR-204/-211, and upregulations of β-catenin, suggesting a disrupted balance between osteogenesis and chondrogenesis in the TMJ, which may underlie TMJ OA. Moreover, the TMJ with miR-204/-211 loss-of-function displayed an aberrant alteration in both collagen component and cartilage-degrading enzymes and exhibited exacerbated orofacial allodynia, corroborating the degenerative and painful nature of TMJ OA. Together, our results establish a key role of miR-204/-211 in maintaining the osteochondral homeostasis of the TMJ and counteracting OA pathogenesis through repressing the pro-osteogenic factors including RUNX2 and β-catenin.
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Affiliation(s)
- Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
| | - Jun Li
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
| | - Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
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Liu B, Wu Y, Liang T, Zhou Y, Chen G, He J, Ji C, Liu P, Zhang C, Lin J, Shi K, Luo Z, Liu N, Su X. Betulinic Acid Attenuates Osteoarthritis via Limiting NLRP3 Inflammasome Activation to Decrease Interleukin-1 β Maturation and Secretion. Mediators Inflamm 2023; 2023:3706421. [PMID: 37789884 PMCID: PMC10545461 DOI: 10.1155/2023/3706421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 07/09/2023] [Accepted: 08/01/2023] [Indexed: 10/05/2023] Open
Abstract
Introduction Osteoarthritis (OA) is the most common degenerative joint disorder. Prior studies revealed that activation of NLRP3 inflammasome could promote the activation and secretion of interleukin-1β (IL-1β), which has an adverse effect on the progression of OA. Betulinic acid (BA) is a compound extract of birch, whether it can protect against OA and the mechanisms involved are still unknown. Materials and Methods In vivo experiments, using gait analysis, ELISA, micro-CT, and scanning electron microscopy (SEM), histological staining, immunohistological (IHC) and immunofluorescence (IF) staining, and atomic force microscopy (AFM) to assess OA progression after intraperitoneal injection of 5 and 15 mg/kg BA in an OA mouse model. In vitro experiments, caspase-1, IL-1β, and the N-terminal fragment of gasdermin D (GSDMD-NT) were measured in bone marrow-derived macrophages (BMDMs) by using ELISA, western blot, and immunofluorescence staining. Results We demonstrated that OA progression can be postponed with intraperitoneal injection of 5 and 15 mg/kg BA in an OA mouse model. Specifically, BA postponed DMM-induced cartilage deterioration, alleviated subchondral bone sclerosis, and relieved synovial inflammation. In vitro studies, the activated NLRP3 inflammasome produces mature IL-1β by facilitating the cleavage of pro-IL-1β, and BA could inhibit the activation of NLRP3 inflammasome in BMDMs. Conclusions Taken together, our analyses revealed that BA attenuates OA via limiting NLRP3 inflammasome activation to decrease the IL-1β maturation and secretion.
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Affiliation(s)
- Bo Liu
- Department of Orthopaedics, People's Hospital of Leshan, 238 Baita Road, Leshan 614000, Sichuan, China
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
| | - Yanglin Wu
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
- Department of Orthopaedics, Tenth People's Hospital of Tongji University, 301 Middle Yanchang Road, Shanghai 200072, Shanghai, China
| | - Ting Liang
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
| | - Yunlong Zhou
- Department of Orthopaedics, People's Hospital of Leshan, 238 Baita Road, Leshan 614000, Sichuan, China
| | - Guangdong Chen
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
| | - Jiaheng He
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
- Department of Orthopaedics, Jiangsu Shengze Hospital, No. 1399, Market West Road, Shengze 215000, Jiangsu, China
| | - Chenchen Ji
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
- Stroke Intensive Care Unit, Children's Hospital of Soochow University, 92 Zhongnan Road, Suzhou 215006, Jiangsu, China
| | - Peixin Liu
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
- Department of Orthopedics, Suzhou Xiangcheng People's Hospital, 1060 Huayuan Road, Suzhou 215131, Jiangsu, China
| | - Chenhui Zhang
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
| | - Jun Lin
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Department of Orthopaedics, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou 215001, Jiangsu, China
| | - Kece Shi
- Department of Orthopaedics, People's Hospital of Leshan, 238 Baita Road, Leshan 614000, Sichuan, China
| | - Zongping Luo
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
- Orthopaedic Institute, Soochow University, 708 Renmin Road, Suzhou 215006, Jiangsu, China
| | - Naicheng Liu
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
| | - Xinlin Su
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou 215006, Jiangsu, China
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Yao Q, Gong W, Wu X, Gan D, Tao C, Lin S, Qu M, Ouyang Z, Chen M, Hu X, Xiao G. Comparison of Kindlin-2 deficiency-stimulated osteoarthritis-like lesions induced by Prg4CreERT2 versus AggrecanCreERT2 transgene in mice. J Orthop Translat 2023; 41:12-19. [PMID: 37292436 PMCID: PMC10244901 DOI: 10.1016/j.jot.2023.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/29/2023] [Accepted: 05/08/2023] [Indexed: 06/10/2023] Open
Abstract
Background Genetically modified mice are the most useful tools for investigating the gene functions in articular cartilage biology and the pathogenesis of osteoarthritis. The AggrecanCreERT2 mice are one of the most reported mouse lines used for this purpose. The Prg4 (proteoglycan 4) gene encodes the lubricin protein and is expressed selectively in chondrocytes located at the superficial layer of the articular cartilage. While the Prg4GFPCreERT2 knock-in inducible-Cre transgenic mice were generated a while ago, so far, few studies have used this mouse line to perform gene functional studies in cartilage biology. Methods We have recently reported that deleting the Fermt2 gene, which encodes the key focal adhesion protein Kindlin-2, in articular chondrocytes by using the AggrecanCreERT2 transgenic mice, results in spontaneous osteoarthritis (OA) lesions, which highly mimics the human OA pathologies. In this study, we have compared the Kindlin-2 deficiency-caused OA phenotypes induced by Prg4GFPCreERT2 with those caused by AggrecanCreERT2 using imaging and histological analyses. Results We find that Kindlin-2 protein is deleted in about 75% of the superficial articular chondrocytes in the tamoxifen (TAM)-treated Prg4GFPCreERt2/+; Fermt2fl/fl mice compared to controls. At 6 months after TAM injections, the OARSI scores of AggrecanCreERT2/+; Fermt2fl/fl and Prg4GFPCreERt2/+; Fermt2fl/fl mice were 5 and 3, respectively. The knee joints histological osteophyte and synovitis scores were also significantly decreased in Prg4GFPCreERT2/+; Fermt2fl/fl mice compared to those in AggrecanCreERT2/+; Fermt2fl/fl mice. Furthermore, magnitudes of upregulation of the extracellular matrix-degrading enzymes Mmp13 and hypertrophic chondrocyte markers Col10a1 and Runx2 were decreased in Prg4GFPCreERT2/+; Fermt2fl/fl versus AggrecanCreERT2/+; Fermt2fl/fl mice. We finally examined the susceptibility of Prg4GFPCreERT2/+; Fermt2fl/fl mouse model to surgically induce OA lesions. The pathological features of OA in the TAM-DMM model exhibited significant enhancement in cartilage erosion, proteoglycan loss, osteophyte, and synovitis and an increase in OARSI score in articular cartilage compared with those in corn-oil DMM mice. Conclusion Kindlin-2 loss causes milder OA-like lesions in Prg4GFPCreERT2/+;Fermt2fl/fl than in AggrecanCreERT2/+; Fermt2fl/fl mice. In contrast, Kindlin-2 loss similarly accelerates the destabilization of the medial meniscus-induced OA lesions in both mice.Translational Potential of this Article: Our study demonstrates that Prg4GFPCreERT2 is a useful tool for gene functional study in OA research. This study provides useful information for investigators to choose appropriate Cre mouse lines for their research in cartilage biology.
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Affiliation(s)
- Qing Yao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Weiyuan Gong
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
- Department of Osteoarthropathy, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen 518035, China
| | - Xiaohao Wu
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Donghao Gan
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Chu Tao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Sixiong Lin
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Department of Spinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Minghao Qu
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhongtian Ouyang
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Mingjue Chen
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xinjia Hu
- Department of Osteoarthropathy, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen 518035, China
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen 518055, China
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Juan Z, Xing-tong M, Xu Z, Chang-yi L. Potential pathological and molecular mechanisms of temporomandibular joint osteoarthritis. J Dent Sci 2023; 18:959-971. [PMID: 37404608 PMCID: PMC10316511 DOI: 10.1016/j.jds.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/05/2023] [Indexed: 07/06/2023] Open
Abstract
Temporomandibular joint osteoarthritis (TMJ OA) is a progressive degenerative disease of the temporomandibular joint (TMJ). The unclear etiology and mechanisms of TMJ OA bring great difficulties to early diagnosis and effective treatment, causing enormous burdens to patients' life and social economics. In this narrative review, we summarized the main pathological changes of TMJ OA, including inflammatory responses, degeneration of extracellular matrix (ECM), abnormal cell biological behaviors (apoptosis, autophagy, and differentiation) in TMJ tissue, and aberrant angiogenesis. All pathological features are closely linked to each other, forming a vicious cycle in the process of TMJ OA, which results in prolonged disease duration and makes it difficult to cure. Various molecules and signaling pathways are involved in TMJ OA pathogenesis, including nuclear factor kappa-B (NF-κB), mitogen-activated protein kinases (MAPKs), extracellular regulated protein kinases (ERKs) and transforming growth factor (TGF)-β signaling pathways et al. One molecule or pathway can contribute to several pathological changes, and the crosstalk between different molecules and pathways can further lead to a complicated condition TMJ OA. TMJ OA has miscellaneous etiology, complex clinical status, depressed treatment results, and poor prognosis. Therefore, novel in-vivo and in-vitro models, novel medicine, materials, and approaches for therapeutic procedures might be helpful for further investigation of TMJ OA. Furthermore, the role of genetic factors in TMJ OA needs to be elucidated to establish more reasonable and effective clinical strategies for diagnosing and treating TMJ OA.
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Affiliation(s)
- Zhang Juan
- Department of Prosthodontics, Hospital of Stomatology, Tianjin Medical University, Tianjin, PR China
| | - Mu Xing-tong
- Department of Prosthodontics, Hospital of Stomatology, Tianjin Medical University, Tianjin, PR China
| | - Zhang Xu
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, PR China
- Institute of Stomatology, Tianjin Medical University, Tianjin, PR China
| | - Li Chang-yi
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, PR China
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Wu Z, Yang Z, Liu L, Xiao Y. Natural compounds protect against the pathogenesis of osteoarthritis by mediating the NRF2/ARE signaling. Front Pharmacol 2023; 14:1188215. [PMID: 37324450 PMCID: PMC10266108 DOI: 10.3389/fphar.2023.1188215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023] Open
Abstract
Osteoarthritis (OA), a chronic joint cartilage disease, is characterized by the imbalanced homeostasis between anabolism and catabolism. Oxidative stress contributes to inflammatory responses, extracellular matrix (ECM) degradation, and chondrocyte apoptosis and promotes the pathogenesis of OA. Nuclear factor erythroid 2-related factor 2 (NRF2) is a central regulator of intracellular redox homeostasis. Activation of the NRF2/ARE signaling may effectively suppress oxidative stress, attenuate ECM degradation, and inhibit chondrocyte apoptosis. Increasing evidence suggests that the NRF2/ARE signaling has become a potential target for the therapeutic management of OA. Natural compounds, such as polyphenols and terpenoids, have been explored to protect against OA cartilage degeneration by activating the NRF2/ARE pathway. Specifically, flavonoids may function as NRF2 activators and exhibit chondroprotective activity. In conclusion, natural compounds provide rich resources to explore the therapeutic management of OA by activating NRF2/ARE signaling.
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Affiliation(s)
- Zhenyu Wu
- First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- First Clinical Medical College of Gannan Medical University, Ganzhou, China
| | - Zhouxin Yang
- First Clinical Medical College of Gannan Medical University, Ganzhou, China
| | - Luying Liu
- First Clinical Medical College of Gannan Medical University, Ganzhou, China
| | - Yong Xiao
- Jiangxi University of Traditional Chinese Medicine, Nanchang, China
- Xiaoyong Traditional Chinese Medicine Clinic in Yudu, Ganzhou, China
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8
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Progress of Wnt Signaling Pathway in Osteoporosis. Biomolecules 2023; 13:biom13030483. [PMID: 36979418 PMCID: PMC10046187 DOI: 10.3390/biom13030483] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Osteoporosis, one of the serious health diseases, involves bone mass loss, bone density diminishing, and degeneration of bone microstructure, which is accompanied by a tendency toward bone fragility and a predisposition to fracture. More than 200 million people worldwide suffer from osteoporosis, and the cost of treating osteoporotic fractures is expected to reach at least $25 billion by 2025. The generation and development of osteoporosis are regulated by genetic factors and regulatory factors such as TGF-β, BMP, and FGF through multiple pathways, including the Wnt signaling pathway, the Notch signaling pathway, and the MAPK signaling pathway. Among them, the Wnt signaling pathway is one of the most important pathways. It is not only involved in bone development and metabolism but also in the differentiation and proliferation of chondrocytes, mesenchymal stem cells, osteoclasts, and osteoblasts. Dkk-1 and SOST are Wnt inhibitory proteins that can inhibit the activation of the canonical Wnt signaling pathway and block the proliferation and differentiation of osteoblasts. Therefore, they may serve as potential targets for the treatment of osteoporosis. In this review, we analyzed the mechanisms of Wnt proteins, β-catenin, and signaling molecules in the process of signal transduction and summarized the relationship between the Wnt signaling pathway and bone-related cells. We hope to attract attention to the role of the Wnt signaling pathway in osteoporosis and offer new perspectives and approaches to making a diagnosis and giving treatment for osteoporosis.
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Porto SC, Rogers-DeCotes A, Schafer E, Kern CB. The adaptive response of the mandibular condyle to increased load is disrupted by ADAMTS5 deficiency. Connect Tissue Res 2023; 64:93-104. [PMID: 35913086 PMCID: PMC9852085 DOI: 10.1080/03008207.2022.2102491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 07/11/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To determine the impact of increased load on the temporomandibular joint (TMJ) from mice deficient in the extracellular matrix protease ADAMTS5. MATERIALS AND METHODS Wire springs exerting 0.5 N for 1 h/day for 5 days (Adamts5+/+ -n = 18; Adamts5-/- n = 19) or 0.8 N for 1 h/day for 10 days (Adamts5+/+-n = 18; Adamts5-/- n = 17) were used to increase murine TMJ load. Safranin O-staining was used to determine mandibular condylar cartilage (MCC) morphology. Chondrogenic factors Sox9 and aggrecan were immunolocalized. Microcomputed topography was employed to evaluate mineralized tissues, and Tartrate-Resistant Acid Phosphatase staining was used to quantify osteoclasts. RESULTS Increased load on the mandibular condyle of Adamts5-/- mice resulted in an increase in the hypertrophic zone of mandibular condylar cartilage (MCC) compared to normal load (NL) (P < 0.01). In the trabecular bone of the mandibular condyle, the total volume (TV), bone volume (BV), trabecular thickness (TbTh), and trabecular separation (TbSp) of the mandibular condyles in Adamts5-/- mice (n = 27) did not change significantly with increased load, compared to Adamts5+/+ (n = 38) that exhibited significant responses (TV-P < 0.05; BV-P < 0.001; TbTh-P < 0.01; TbSp-P < 0.01). The bone volume fraction (BV/TV) was significantly reduced in response to increased load in both Adamts5-/- (P < 0.05) and Adamts5+/+ mandibular condyles (P < 0.001) compared to NL. Increased load in Adamts5-/- mandibular condyles also resulted in a dramatic increase in osteoclasts compared to Adamts5-/- NL (P < 0.001) and to Adamts5+/+ with increased load (P < 01). CONCLUSION The trabeculated bone of the Adamts5-/- mandibular condyle was significantly less responsive to the increased load compared to Adamts5+/+. ADAMTS5 may be required for mechanotransduction in the trabeculated bone of the mandibular condyle.
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Affiliation(s)
- Sarah C. Porto
- Department of Health and Human Performance, College of Charleston, Charleston, SC 29424
| | - Alexandra Rogers-DeCotes
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina Charleston, SC 29525
| | - Emmaline Schafer
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina Charleston, SC 29525
| | - Christine B. Kern
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina Charleston, SC 29525
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10
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AMPK activator decelerates osteoarthritis development by inhibition of β-catenin signaling in chondrocytes. J Orthop Translat 2023; 38:158-166. [DOI: 10.1016/j.jot.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/01/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
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11
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Mélou C, Pellen-Mussi P, Jeanne S, Novella A, Tricot-Doleux S, Chauvel-Lebret D. Osteoarthritis of the Temporomandibular Joint: A Narrative Overview. MEDICINA (KAUNAS, LITHUANIA) 2022; 59:medicina59010008. [PMID: 36676632 PMCID: PMC9866170 DOI: 10.3390/medicina59010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/14/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Background and Objectives: This study reviewed the literature to summarize the current and recent knowledge of temporomandibular joint osteoarthritis (TMJOA). Methods: Through a literature review, this work summarizes many concepts related to TMJOA. Results: Although many signaling pathways have been investigated, the etiopathogenesis of TMJOA remains unclear. Some clinical signs are suggestive of TMJOA; however, diagnosis is mainly based on radiological findings. Treatment options include noninvasive, minimally invasive, and surgical techniques. Several study models have been used in TMJOA studies because there is no gold standard model. Conclusion: More research is needed to develop curative treatments for TMJOA, which could be tested with reliable in vitro models, and to explore tissue engineering to regenerate damaged temporomandibular joints.
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Affiliation(s)
- Caroline Mélou
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
- CHU Rennes, Pôle d’Odontologie, 35033 Rennes, France
- UFR Odontologie, 35043 Rennes, France
| | - Pascal Pellen-Mussi
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
| | - Sylvie Jeanne
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
- CHU Rennes, Pôle d’Odontologie, 35033 Rennes, France
- UFR Odontologie, 35043 Rennes, France
| | - Agnès Novella
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
| | - Sylvie Tricot-Doleux
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
| | - Dominique Chauvel-Lebret
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes), University Rennes, UMR 6226, 35000 Rennes, France
- CHU Rennes, Pôle d’Odontologie, 35033 Rennes, France
- UFR Odontologie, 35043 Rennes, France
- Correspondence: ; Tel.: +33-2-23-23-43-64; Fax: +33-2-23-23-43-93
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12
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Kindlin-2 loss in condylar chondrocytes causes spontaneous osteoarthritic lesions in the temporomandibular joint in mice. Int J Oral Sci 2022; 14:33. [PMID: 35788130 PMCID: PMC9253313 DOI: 10.1038/s41368-022-00185-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/25/2022] [Accepted: 05/28/2022] [Indexed: 11/16/2022] Open
Abstract
The progressive destruction of condylar cartilage is a hallmark of the temporomandibular joint (TMJ) osteoarthritis (OA); however, its mechanism is incompletely understood. Here, we show that Kindlin-2, a key focal adhesion protein, is strongly detected in cells of mandibular condylar cartilage in mice. We find that genetic ablation of Kindlin-2 in aggrecan-expressing condylar chondrocytes induces multiple spontaneous osteoarthritic lesions, including progressive cartilage loss and deformation, surface fissures, and ectopic cartilage and bone formation in TMJ. Kindlin-2 loss significantly downregulates the expression of aggrecan, Col2a1 and Proteoglycan 4 (Prg4), all anabolic extracellular matrix proteins, and promotes catabolic metabolism in TMJ cartilage by inducing expression of Runx2 and Mmp13 in condylar chondrocytes. Kindlin-2 loss decreases TMJ chondrocyte proliferation in condylar cartilages. Furthermore, Kindlin-2 loss promotes the release of cytochrome c as well as caspase 3 activation, and accelerates chondrocyte apoptosis in vitro and TMJ. Collectively, these findings reveal a crucial role of Kindlin-2 in condylar chondrocytes to maintain TMJ homeostasis.
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13
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Qiao Y, Yi D, Reed DA, Mercuri LG, Chen D, Oh CD. A novel approach to establishing a temporomandibular joint fibrocartilage cell line. J Dent Sci 2022; 17:1378-1386. [PMID: 35784155 PMCID: PMC9236962 DOI: 10.1016/j.jds.2022.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 04/21/2022] [Indexed: 11/21/2022] Open
Abstract
Background/purpose The temporomandibular joint (TMJ) is a bi-arthrodial joint that is composed of the temporal bone glenoid fossa and the condylar head of the mandible both having fibrocartilaginous articular surfaces. Functional overloading of the TMJ is the main cause of TMJ osteoarthritis (TMJ OA) disease. The aim of this study was to establish immortalized TMJ fibrocartilage cell clones to provide enough cells to adequately investigate the molecular mechanisms studies of TMJ OA. Materials and methods We have isolated temporomandibular condyle chondrocytes from adult Sprague Dawley rat. The cells were cultured and immortalized by treating with Y-27632, a well-characterized inhibitor of Rho-Associated Kinase (ROCK). Clones were characterized on the basis of cell morphology and analyses of marker gene expression through 45 passages. Results Cells from the condylar fibrocartilage of the TMJ were successfully immortalized by ROCK inhibitor, retaining a consistent cuboidal cell morphology and the expression of several cell markers of polymorphic cell fate. In addition, they retained phenotype features similar to the primary parental TMJ fibrocartilage cells when the cells were challenged with different cytokines and growth factors. Conclusion These studies establish a novel immortalized cell line through ROCK inhibitor Y-27632, that retains the polymorphic phenotype of primary cell lines from TMJ fibrocartilage chondrocyte cell through a high number of passages, serving as a valuable preclinical resource for mechanistic in vitro assessment of TMJ health, disease, and regeneration.
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Affiliation(s)
- Yusen Qiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, USA
| | - Dan Yi
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, USA
| | - David Andrew Reed
- Department of Oral Biology, University of Illinois Chicago, Chicago, USA
| | - Louis G. Mercuri
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, USA
- Department of Bioengineering, University of Illinois Chicago, Chicago, USA
| | - Di Chen
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Chun-do Oh
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, USA
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14
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Zhao Y, An Y, Zhou L, Wu F, Wu G, Wang J, Chen L. Animal Models of Temporomandibular Joint Osteoarthritis: Classification and Selection. Front Physiol 2022; 13:859517. [PMID: 35574432 PMCID: PMC9095932 DOI: 10.3389/fphys.2022.859517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/04/2022] [Indexed: 01/11/2023] Open
Abstract
Temporomandibular joint osteoarthritis (TMJOA) is a common degenerative joint disease that can cause severe pain and dysfunction. It has a serious impact on the quality of lives of patients. Since mechanism underlying the pathogenesis of TMJOA is not fully understood, the development of effective tools for early diagnosis and disease-modifying therapies has been hindered. Animal models play a key role in understanding the pathological process of diseases and evaluating new therapeutic interventions. Although some similarities in disease processes between animals and humans are known, no one animal model is sufficient for studying all characteristics of TMJOA, as each model has different translatability to human clinical conditions. For the past 4 decades, TMJOA animal models have been studied by numerous researchers and can be broadly divided into induced, naturally occurring, and genetically modified models. The induced models can be divided into invasive models (intra-articular injection and surgical induction) or non-invasive models (mechanical loading, high-fat diet, and sleep deprivation). Different types of animal models simulate different pathological expressions of TMJOA and have their unique characteristics. Currently, mice, rats, and rabbits are commonly used in the study of TMJOA. This review sought to provide a general description of current experimental models of TMJOA and assist researchers in selecting the most appropriate models for different kinds of research.
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Affiliation(s)
- Yuqing Zhao
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Yanxin An
- Department of General Surgery, The First Affiliated Hospital of Xi’an Medical University, Xi’an, China
| | - Libo Zhou
- School of Basic Medicine, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Fan Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Gaoyi Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Jing Wang
- Department of Oral Implants, School of Stomatology, National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology & Shaanxi Key Laboratory of Stomatology, The Fourth Military Medical University, Xi’an, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Lei Chen
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
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15
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Xu M, Zhang X, He Y. An updated view on Temporomandibular Joint degeneration: insights from the cell subsets of mandibular condylar cartilage. Stem Cells Dev 2022; 31:445-459. [PMID: 35044232 DOI: 10.1089/scd.2021.0324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The high prevalence of temporomandibular joint osteoarthritis (TMJOA), which causes joint dysfunction, indicates the need for more effective methods for treatment and repair. Mandibular condylar cartilage (MCC), a typical fibrocartilage that experiences degenerative changes during the development of TMJOA, has become a research focus and therapeutic target in recent years. MCC is composed of four zones of cells at various stages of differentiation. The cell subsets in MCC exhibit different physiological and pathological characteristics during development and in TMJOA. Most studies of TMJOA are mainly concerned with gene regulation of pathological changes. The corresponding treatment targets with specific cell subsets in MCC may provide more accurate and reliable results for cartilage repair and TMJOA treatment. In this review, we summarized the current research progress on the cell subsets of MCC from the perspective of MCC development and degeneration. We hope to provide a reference for further exploration of the pathological process of TMJOA and improvement of TMJOA treatment.
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Affiliation(s)
- Minglu Xu
- Chongqing Medical University, 12550, Chongqing, Chongqing, China;
| | - Xuyang Zhang
- Chongqing Medical University, 12550, Chongqing, Chongqing, China;
| | - Yao He
- Chongqing Medical University, 12550, Chongqing, China, 400016;
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16
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Lu K, Ma F, Yi D, Yu H, Tong L, Chen D. Molecular signaling in temporomandibular joint osteoarthritis. J Orthop Translat 2022; 32:21-27. [PMID: 35591935 PMCID: PMC9072795 DOI: 10.1016/j.jot.2021.07.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/13/2021] [Accepted: 07/19/2021] [Indexed: 02/07/2023] Open
Abstract
Objective Temporomandibular joint (TMJ) osteoarthritis (OA) is a type of TMJ disorders with clinical symptoms of pain, movement limitation, cartilage degeneration and joint dysfunction. This review article is aiming to summarize recent findings on signaling pathways involved in TMJ OA development and progression. Methods Most recent findings in TMJ OA studies have been reviewed and cited. Results TMJ OA is caused by inflammation, abnormal mechanical loading and genetic abnormalities. The molecular mechanisms related to TMJ OA have been determined using different genetic mouse models. Recent studies demonstrated that several signaling pathways are involved in TMJ OA pathology, including Wnt/β-catenin, TGF-β and BMP, Indian Hedgehog, FGF, NF-κB, and Notch pathways, which are summarized in this review article. Alterations of these signaling pathways lead to the pathological changes in TMJ tissues, affecting cartilage matrix degradation, catabolic metabolism and chondrocyte apoptosis. Conclusion Multiple signaling pathways were involved in the pathological process of TMJ OA. New therapeutic strategies, such as stem cell application, gene editing and other techniques may be utilized for TMJ OA treatment. The translational potential of this article TMJ OA is a most important subtype of TMJ disorders and may lead to substantial joint pain, dysfunction, dental malocclusion, and reduced health-related quality of life. This review article summarized current findings of signaling pathways involved in TMJ OA, including Wnt/β-catenin, TGF-β and BMP, Indian Hedgehog, FGF, NF-κB, and Notch pathways, to better understand the pathological mechanisms of TMJ OA and define the molecular targets for TMJ OA treatment.
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Affiliation(s)
- Ke Lu
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Feng Ma
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- National Institute for Health and Medical Research (INSERM) UMR_S 1166, Faculty of Medicine Pitié-Salpétrière, Sorbonne University, 91, bd de l’Hôpital, 75013, Paris, France
| | - Dan Yi
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Huan Yu
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Liping Tong
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Di Chen
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Corresponding author. Faculty of Pharmaceutical Sciences, China.
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17
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Ye X, Liu X. Wnt16 signaling in bone homeostasis and osteoarthristis. Front Endocrinol (Lausanne) 2022; 13:1095711. [PMID: 36619549 PMCID: PMC9815800 DOI: 10.3389/fendo.2022.1095711] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Wnts are secreted cysteine-rich glycoproteins involved in joint development and skeletal homeostasis and have been implicated in the occurrence of osteoarthritis. Over the past decade, Wnt16, a member of the Wnt family, has received widespread attention for its strong association with bone mineral density, cortical bone thickness, bone strength, and osteoporotic fracture risk. In recent years, further studies have shed light on the role of Wnt16 a positive regulator of bone mass and protective regulator of osteoarthritis progression. Transduction mechanisms and crosstalk involving Wnt16 signaling have also been illustrated. More importantly, local Wnt16 treatment has been shown to ease osteoarthritis, inhibit bone resorption, and promote new bone formation in bone defect models. Thus, Wnt16 is now a potential therapeutic target for skeletal diseases and osteoarthritis. This paper reviews our current understanding of the mechanisms by which Wnt16 signaling regulates bone homeostasis and osteoarthritis.
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18
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He Y, Zhang M, Song J, Warman ML. Cell depleted areas do not repopulate after diphtheria toxin-induced killing of mandibular cartilage chondrocytes. Osteoarthritis Cartilage 2021; 29:1474-1484. [PMID: 34166809 DOI: 10.1016/j.joca.2021.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 06/04/2021] [Accepted: 06/13/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Growth of mandibular condylar cartilage (MCC) is associated with cell proliferation within the polymorphic cell layer and subsequent differentiation into chondrocytes that reside along the condylar surface and along the cartilage/subchondral bone interface. We examined whether cells in the polymorphic layer would proliferate and repopulate toxin-induced cell-depleted areas in MCCs of adult mice. METHOD We induced diphtheria toxin (DTA) expression (ROSA26l-s-lDTA) to cell-autonomously kill large fractions of MCC chondrocytes throughout the cartilage or along the articular cartilage surface with Aggrecan-CreERt2 (AcanCreERt2) or Lubricin-CreERt2 (Prg4CreERt2) Cre-recombinase-inducible mice, respectively. We examined MCCs from these mice shortly after cell killing or several months later with histology and confocal microscopy for evidence of chondrocyte proliferation and repopulation. RESULTS AcanCreERt2-induced DTA expression killed an average of 53% MCC chondrocytes in adult mice after 1 week (39-66%, 95% confidence interval (CI)). Twelve weeks later, surviving chondrocytes had proliferated but not migrated to cell depleted areas. Prg4CreERt2-induced DTA expression killed an average of 24% surface chondrocytes in mice after 5 weeks (14-34% CI). After thirteen weeks there was 34% fewer surface chondrocytes (4-63% CI) in Prg4CreERt2 DTA-induced mice compared to controls. CONCLUSION In adult mice, after diphtheria toxin-mediated chondrocyte killing, cell depleted areas within MCC cartilage are not repopulated by new cells.
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Affiliation(s)
- Y He
- Department of Orthodontics, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China.
| | - M Zhang
- Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, Boston Children's Hospital and Department of Genetics, Harvard Medical School, Boston, MA, USA
| | - J Song
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - M L Warman
- Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, Boston Children's Hospital and Department of Genetics, Harvard Medical School, Boston, MA, USA.
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Chandrasekaran P, Kwok B, Han B, Adams SM, Wang C, Chery DR, Mauck RL, Dyment NA, Lu XL, Frank DB, Koyama E, Birk DE, Han L. Type V Collagen Regulates the Structure and Biomechanics of TMJ Condylar Cartilage: A Fibrous-Hyaline Hybrid. Matrix Biol 2021; 102:1-19. [PMID: 34314838 DOI: 10.1016/j.matbio.2021.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 05/26/2021] [Accepted: 07/15/2021] [Indexed: 12/20/2022]
Abstract
This study queried the role of type V collagen in the post-natal growth of temporomandibular joint (TMJ) condylar cartilage, a hybrid tissue with a fibrocartilage layer covering a secondary hyaline cartilage layer. Integrating outcomes from histology, immunofluorescence imaging, electron microscopy and atomic force microscopy-based nanomechanical tests, we elucidated the impact of type V collagen reduction on TMJ condylar cartilage growth in the type V collagen haploinsufficiency and inducible knockout mice. Reduction of type V collagen led to significantly thickened collagen fibrils, decreased tissue modulus, reduced cell density and aberrant cell clustering in both the fibrous and hyaline layers. Post-natal growth of condylar cartilage involves the chondrogenesis of progenitor cells residing in the fibrous layer, which gives rise to the secondary hyaline layer. Loss of type V collagen resulted in reduced proliferation of these cells, suggesting a possible role of type V collagen in mediating the progenitor cell niche. When the knockout of type V collagen was induced in post-weaning mice after the start of physiologic TMJ loading, the hyaline layer exhibited pronounced thinning, supporting an interplay between type V collagen and occlusal loading in condylar cartilage growth. The phenotype in hyaline layer can thus be attributed to the impact of type V collagen on the mechanically regulated progenitor cell activities. In contrast, knee cartilage does not contain the progenitor cell population at post-natal stages, and develops normal structure and biomechanical properties with the loss of type V collagen. Therefore, in the TMJ, in addition to its established role in regulating the assembly of collagen I fibrils, type V collagen also impacts the mechanoregulation of progenitor cell activities in the fibrous layer. We expect such knowledge to establish a foundation for understanding condylar cartilage matrix development and regeneration, and to yield new insights into the TMJ symptoms in patients with classic Ehlers-Danlos syndrome, a genetic disease due to autosomal mutation of type V collagen.
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Affiliation(s)
- Prashant Chandrasekaran
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Bryan Kwok
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Biao Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Sheila M Adams
- Department of Molecular Pharmacology and Physiology, Morsani School of Medicine, University of South Florida, Tampa, FL 33612, United States
| | - Chao Wang
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Daphney R Chery
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Robert L Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA 19104, United States
| | - Nathaniel A Dyment
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - X Lucas Lu
- Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, United States
| | - David B Frank
- Penn-CHOP Lung Biology Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Penn Cardiovascular Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Division of Pediatric Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, United States
| | - Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, United States
| | - David E Birk
- Department of Molecular Pharmacology and Physiology, Morsani School of Medicine, University of South Florida, Tampa, FL 33612, United States
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States.
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20
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Li B, Guan G, Mei L, Jiao K, Li H. Pathological mechanism of chondrocytes and the surrounding environment during osteoarthritis of temporomandibular joint. J Cell Mol Med 2021; 25:4902-4911. [PMID: 33949768 PMCID: PMC8178251 DOI: 10.1111/jcmm.16514] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 03/01/2021] [Accepted: 03/22/2021] [Indexed: 12/11/2022] Open
Abstract
Temporomandibular joint (TMJ) osteoarthritis is a common chronic degenerative disease of the TMJ. In order to explore its aetiology and pathological mechanism, many animal models and cell models have been constructed to simulate the pathological process of TMJ osteoarthritis. The main pathological features of TMJ osteoarthritis include chondrocyte death, extracellular matrix (ECM) degradation and subchondral bone remodelling. Chondrocyte apoptosis accelerates the destruction of cartilage. However, autophagy has a protective effect on condylar chondrocytes. Degradation of ECM not only changes the properties of cartilage but also affects the phenotype of chondrocytes. The loss of subchondral bone in the early stages of TMJ osteoarthritis plays an aetiological role in the onset of osteoarthritis. In recent years, increasing evidence has suggested that chondrocyte hypertrophy and endochondral angiogenesis promote TMJ osteoarthritis. Hypertrophic chondrocytes secrete many factors that promote cartilage degeneration. These chondrocytes can further differentiate into osteoblasts and osteocytes and accelerate cartilage ossification. Intrachondral angiogenesis and neoneurogenesis are considered to be important triggers of arthralgia in TMJ osteoarthritis. Many molecular signalling pathways in endochondral osteogenesis are responsible for TMJ osteoarthritis. These latest discoveries in TMJ osteoarthritis have further enhanced the understanding of this disease and contributed to the development of molecular therapies. This paper summarizes recent cognition on the pathogenesis of TMJ osteoarthritis, focusing on the role of chondrocyte hypertrophy degeneration and cartilage angiogenesis.
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Affiliation(s)
- Baochao Li
- Department of Orthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Guangzhao Guan
- Department of Oral Sciences, Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - Li Mei
- Department of Oral Sciences, Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - Kai Jiao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Huang Li
- Department of Orthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
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21
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ADAMTS5 is required for normal trabeculated bone development in the mandibular condyle. Osteoarthritis Cartilage 2021; 29:547-557. [PMID: 33561540 PMCID: PMC8759092 DOI: 10.1016/j.joca.2021.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 01/11/2021] [Accepted: 01/22/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Determine the role of the extracellular matrix protease ADAMTS5 in development of the trabeculated bone of the mandibular condyle. METHODS The mandibular condyles of wild type and mice deficient in the protease ADAMTS5 were examined for histopathology with Safranin O staining. Microcomputed tomography was performed to analyze the developing bone of the mandibular condyle. RNAscope and immunohistochemistry were utilized to investigate cell type and extracellular matrix expression. RESULTS Mice deficient in Adamts5, (Adamts5tm1Dgen/J) exhibit an increase in trabecular separation (n = 37 wild type; n = 27: P < 0.0001) and reduction of trabecular thickness P = 0.0116 and bone volume fraction P = 0.0869 in the mandibular condylar head compared to wild type littermates. The altered bone parameters were more pronounced in male Adamts5-/- mice compared to female Adamts5-/- mice (TbSp; P = 0.03). Adamts5 was co-expressed with versican and Gli1 in mesenchymal, stem-like cells in the transition zone where the trabeculated bone is adjacent to mature hypertrophic chondrocytes. Loss of Adamts5 caused a reduction of Bglap expressing osteoblasts throughout mandibular condylar development and in young adult mice. The protease Mmp13, that is involved in mineralization and is expressed by hypertrophic chondrocytes and osteoblasts, was reduced in the mandibular condyle of Adamts5 deficient mice. CONCLUSION This is the first report of a novel and critical role for Adamts5 in bone formation within the mandibular condyle of the temporomandibular joint. These data indicate Adamts5 may be required in the transdifferentiation of hypertrophic chondrocytes to osteoblasts during trabecular bone formation in development of the mandibular condyle.
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Li J, Ma K, Yi D, Oh CD, Chen D. Nociceptive behavioural assessments in mouse models of temporomandibular joint disorders. Int J Oral Sci 2020; 12:26. [PMID: 32989215 PMCID: PMC7522224 DOI: 10.1038/s41368-020-00095-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 08/24/2020] [Accepted: 08/31/2020] [Indexed: 11/22/2022] Open
Abstract
Orofacial pain or tenderness is a primary symptom associated with temporomandibular joint (TMJ) disorders (TMDs). To understand the pathological mechanisms underlying TMDs, several mouse models have been developed, including mechanical stimulus-induced TMD and genetic mouse models. However, a lack of feasible approaches for assessing TMD-related nociceptive behaviours in the orofacial region of mice has hindered the in-depth study of TMD-associated mechanisms. This study aimed to explore modifications of three existing methods to analyse nociceptive behaviours using two TMD mouse models: (1) mechanical allodynia was tested using von Frey filaments in the mouse TMJ region by placing mice in specially designed chambers; (2) bite force was measured using the Economical Load and Force (ELF) system; and (3) spontaneous feeding behaviour tests, including eating duration and frequency, were analysed using the Laboratory Animal Behaviour Observation Registration and Analysis System (LABORAS). We successfully assessed changes in nociceptive behaviours in two TMD mouse models, a unilateral anterior crossbite (UAC)-induced TMD mouse model and a β-catenin conditional activation mouse model. We found that the UAC model and β-catenin conditional activation mouse model were significantly associated with signs of increased mechanical allodynia, lower bite force, and decreased spontaneous feeding behaviour, indicating manifestations of TMD. These behavioural changes were consistent with the cartilage degradation phenotype observed in these mouse models. Our studies have shown reliable methods to analyse nociceptive behaviours in mice and may indicate that these methods are valid to assess signs of TMD in mice.
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Affiliation(s)
- Jun Li
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Kaige Ma
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Dan Yi
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Chun-do Oh
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA.
| | - Di Chen
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA. .,Research Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
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The Optimal Regimen for the Treatment of Temporomandibular Joint Injury Using Low-Intensity Pulsed Ultrasound in Rats with Chronic Sleep Deprivation. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5468173. [PMID: 32462002 PMCID: PMC7212287 DOI: 10.1155/2020/5468173] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/16/2020] [Accepted: 04/18/2020] [Indexed: 11/19/2022]
Abstract
Low-intensity pulsed ultrasound (LIPUS) is an emerging physical therapy for the treatment of early temporomandibular joint injury and has a good effect on promoting cartilage and subchondral bone tissue repair. However, the best LIPUS intensity and treatment duration remain unclear. This study is aimed at observing the preventive and therapeutic effects of different modes of LIPUS and at identifying the optimal LIPUS treatment regimen for temporomandibular joint injury. In the present study, rat models of temporomandibular joint injury were established using a chronic sleep deprivation (CSD) method, and the effect of LIPUS as intensities of 30, 45, and 60 mW/cm2 was observed at 7, 14, and 21 days. After CSD, the condylar cartilage of the rats demonstrated variable degrees of surface roughening, collagen fiber disarrangement or even partial exfoliation, decreased proteoglycan synthesis and cartilage thickness, decreased chondrocyte proliferation, decreased type 2 collagen (COL-2) expression, and increased matrix metalloproteinase- (MMP-) 3 expression at all three time points. When the rats with CSD received different intensities of LIPUS treatment, the pathological changes were alleviated to various extents. The groups receiving 45 mW/cm2 LIPUS showed the most significant relief of cartilage damage, and this significant effect was observed on days 14 and 21. These results demonstrated that LIPUS can effectively inhibit CSD-induced condylar cartilage damage in rats, and LIPUS treatment at an intensity of 45 mW/cm2 for at least 2 weeks is the optimal regimen for temporomandibular joint injury.
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Xia C, Wang P, Fang L, Ge Q, Zou Z, Dong R, Zhang P, Shi Z, Xu R, Zhang L, Luo C, Ying J, Xiao L, Shen J, Chen D, Tong P, Jin H. Activation of β-catenin in Col2-expressing chondrocytes leads to osteoarthritis-like defects in hip joint. J Cell Physiol 2019; 234:18535-18543. [PMID: 30912140 PMCID: PMC6606325 DOI: 10.1002/jcp.28491] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 02/18/2019] [Accepted: 02/20/2019] [Indexed: 01/25/2023]
Abstract
Although osteoarthritis (OA) in the hip joint is a common and debilitating degenerative disease, the precise molecular mechanisms underlying its pathological process remains unclear. This study sets out to investigate whether β-catenin plays a critical role in hip OA pathogenesis. Here, we showed overexpressed β-catenin protein in human OA cartilage tissues. Then, we analyzed β-cat(ex3)Col2ER mice, in which β-catenin gene was conditionally activated in femoral head chondrocytes. At 2 months of age, β-cat(ex3)Col2ER mice already showed a phenotype of severe cartilage degeneration in the femoral head. More changes observed in β-cat(ex3)Col2ER mice with age included subchondral sclerosis and osteophyte formation along joint margins, resembling a hip OA phenotype in humans. In addition, cartilage degradation and chondrocyte apoptosis as the results of β-catenin activation possibly contributed to this hip OA-like phenotype. Overall our findings provide direct evidence about the importance of β-catenin in hip OA pathogenesis.
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Affiliation(s)
- Chenjie Xia
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Pinger Wang
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Liang Fang
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Qinwen Ge
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Zhen Zou
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Rui Dong
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Peng Zhang
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Zhenyu Shi
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Rui Xu
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Lei Zhang
- Department of Orthopedic SurgeryXiaoshan District Hospital of Traditional Chinese MedicineHangzhouChina
| | - Chen Luo
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
| | - Jun Ying
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
- The First College of Clinical MedicineZhejiang Chinese Medical UniversityHangzhouChina
- Department of Orthopedic SurgerySchool of Medicine, Washington UniversitySt. LouisMissouri
| | - Luwei Xiao
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Jie Shen
- Department of Orthopedic SurgerySchool of Medicine, Washington UniversitySt. LouisMissouri
| | - Di Chen
- Department of Orthopedic SurgeryRush University Medical CenterChicagoIllinois
| | - Peijian Tong
- Department of Orthopedic SurgeryThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
| | - Hongting Jin
- Institute of Orthopedics and TraumatologyThe First Affiliated Hospital of Zhejiang Chinese Medical UniversityHangzhouChina
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Zhou Y, Shu B, Xie R, Huang J, Zheng L, Zhou X, Xiao G, Zhao L, Chen D. Deletion of Axin1 in condylar chondrocytes leads to osteoarthritis-like phenotype in temporomandibular joint via activation of β-catenin and FGF signaling. J Cell Physiol 2018; 234:1720-1729. [PMID: 30070692 DOI: 10.1002/jcp.27043] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 06/25/2018] [Indexed: 02/05/2023]
Abstract
Osteoarthritis (OA) in the temporomandibular joint (TMJ) is a degenerative disease in the adult, which is characterized by the pathological degeneration of condylar cartilage. Axin1 plays a critical role in the regulation of cartilage development and homeostasis. To determine the role of Axin1 in TMJ tissue at the adult stage, we generated Axin1Agc1ER mice, in which Axin1 was deleted in aggrecan-expressing chondrocytes at 2 months of age. Histology, histomorphometry, and immunostaining analyses were performed using TMJ tissues harvested from 4- and 6-month-old mice after tamoxifen administration. Total RNA isolated from TMJ cartilage of 6-month-old mice was used for gene expression analysis. Progressive OA-like degeneration was observed in condylar cartilage in Axin1 knockout (KO) mice with loss of surface continuity and the formation of vertical fissures. In addition, reduced alcian blue staining in condylar cartilage was also found in Axin1 KO mice. Immunostaining and reverse transcription quantitative polymerase chain reaction (qRT-PCR) assays revealed disturbed homeostasis in condylar cartilage with increased expressions of MMP13 and Adamts5 and decreased lubricin expression in Axin1-deficient chondrocytes. Less proliferative cells with increased hypertrophic and apoptotic activities were presented in the condylar cartilage of Axin1Agc1ER KO mice. As a scaffolding protein, the deletion of Axin1 stimulated not only the β-catenin but also the fibroblast growth factor (FGF) signaling via extracellular signal-regulated protein kinases 1 and 2 (ERK1/2) activation. The qRT-PCR results showed an increased expression of Fgfr1 in Axin1 KO cartilage. Overall, the deletion of Axin1 in condylar chondrocytes altered the β-catenin and FGF/ERK1/2 signaling pathways, thus cooperatively contribute to the cartilage degeneration.
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Affiliation(s)
- Yachuan Zhou
- State Key Laboratory of Oral Diseases, Department of Cariology and Endodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Bing Shu
- Department of Orthopedics, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Rong Xie
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Liwei Zheng
- State Key Laboratory of Oral Diseases, Department of Cariology and Endodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, Department of Cariology and Endodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Guozhi Xiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
- Department of Biology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, China
| | - Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Di Chen
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
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26
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Zhou Y, Wang T, Hamilton JL, Chen D. Wnt/β-catenin Signaling in Osteoarthritis and in Other Forms of Arthritis. Curr Rheumatol Rep 2018; 19:53. [PMID: 28752488 DOI: 10.1007/s11926-017-0679-z] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PURPOSE OF REVIEW Arthritis defines a large group of diseases primarily affecting the joint. It is the leading cause of pain and disability in adults. Osteoarthritis (OA) affecting the knee or hip is the most common form among over 100 types of arthritis. Other types of arthritis include erosive hand OA, temporomandibular joint (TMJ) OA, facet joint OA, diffuse idiopathic skeletal hyperostosis (DISH), and spondyloarthritis (SpA). However, the specific molecular signals involved in the development and progression of OA and related forms of arthritis remain largely unknown. The canonical wingless/integrated (Wnt)/β-catenin signaling pathway could play a unique role in the pathogenesis of arthritis. In this review article, we will focus on the molecular mechanisms of Wnt/β-catenin signaling in the pathogenesis of OA and other types of arthritis. RECENT FINDINGS Emerging evidence demonstrates that Wnts and Wnt-related molecules are involved in arthritis development and progression in human genetic studies and in vitro studies. Also, mouse models have been generated to determine the role of Wnt/β-catenin signaling in the pathogenesis of arthritis. Wnt/β-catenin signaling represents a unique signaling pathway regulating arthritis development and progression, and the molecules in this particular pathway may serve as targets for the therapeutic intervention of arthritis. Mediators and downstream effectors of Wnt/β-catenin signaling are increased in OA as well other forms of arthritis, including DISH and SpA. Through extensive investigations, including pre-clinical studies in transgenic mice and translational and human studies, the Wnt/β-catenin signaling pathway has been proven to play roles in bone and joint pathology by directly affecting bone, cartilage, and synovial tissue; further, these pathologies can be reduced through targeting this pathway. Continued investigation into the distinct molecular signaling of the Wnt/β-catenin pathway will provide additional insights toward the therapeutic intervention in arthritis.
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Affiliation(s)
- Yachuan Zhou
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA.,State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Tingyu Wang
- Department of Pharmacy, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - John L Hamilton
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Di Chen
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA.
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