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Soliman Wadan AH, Abdelsattar Ahmed M, Hussein Ahmed A, El-Sayed Ellakwa D, Hamed Elmoghazy N, Gawish A. The Interplay of Mitochondrial Dysfunction in Oral Diseases: Recent Updates in Pathogenesis and Therapeutic Implications. Mitochondrion 2024; 78:101942. [PMID: 39111357 DOI: 10.1016/j.mito.2024.101942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/12/2024] [Accepted: 08/03/2024] [Indexed: 08/15/2024]
Abstract
Mitochondrial dysfunction is linked to various systemic and localized diseases, including oral diseases like periodontitis, oral cancer, and temporomandibular joint disorders. This paper explores the intricate mechanisms underlying mitochondrial dysfunction in oral pathologies, encompassing oxidative stress, inflammation, and impaired energy metabolism. Furthermore, it elucidates the bidirectional relationship between mitochondrial dysfunction and oral diseases, wherein the compromised mitochondrial function exacerbates disease progression, while oral pathologies, in turn, exacerbate mitochondrial dysfunction. Understanding these intricate interactions offers insights into novel therapeutic strategies targeting mitochondrial function for managing oral diseases. This paper pertains to the mechanisms underlying mitochondrial dysfunction, its implications in various oral pathological and inflammatory conditions, and emerging versatile treatment approaches. It reviews current therapeutic strategies to mitigate mitochondrial dysfunction, including antioxidants, mitochondrial-targeted agents, and metabolic modulators.
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Affiliation(s)
- Al-Hassan Soliman Wadan
- Faculty of Dentistry, Sinai University, Arish Branch, North Sinai, Egypt; Sinai University Research Center (SURC), Sinai University, North Sinai, Egypt.
| | - Mohamed Abdelsattar Ahmed
- Faculty of Dentistry, Sinai University, Kantra Branch, Ismailia, Egypt; Sinai University Research Center (SURC), Sinai University, North Sinai, Egypt
| | - Abdelnaser Hussein Ahmed
- Faculty of Dentistry, Sinai University, Arish Branch, North Sinai, Egypt; Sinai University Research Center (SURC), Sinai University, North Sinai, Egypt
| | - Doha El-Sayed Ellakwa
- Department of Biochemistry & Molecular Biology, Faculty of Pharmacy for Girls, Al-Azhar University, Cairo, Egypt; Department of Biochemistry, Faculty of Pharmacy, Sinai University, Kantra Branch, Ismailia, Egypt
| | - Nourhan Hamed Elmoghazy
- Faculty of Dentistry, Sinai University, Arish Branch, North Sinai, Egypt; Sinai University Research Center (SURC), Sinai University, North Sinai, Egypt
| | - Abeer Gawish
- Faculty of Dentistry, Sinai University, Arish Branch, North Sinai, Egypt; Sinai University Research Center (SURC), Sinai University, North Sinai, Egypt; Faculty of Graduate Studies, Sinai University, Arish Branche, North Sinai, Egypt; Oral Medicine, Periodontology, Diagnosis and Radiology Department, Al Azhar University, Egypt
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2
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Oo WM. Prospects of Disease-Modifying Osteoarthritis Drugs. Rheum Dis Clin North Am 2024; 50:483-518. [PMID: 38942581 DOI: 10.1016/j.rdc.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Osteoarthritis (OA) causes a massive disease burden with a global prevalence of nearly 23% in 2020 and an unmet need for adequate treatment, given a lack of disease-modifying drugs (DMOADs). The author reviews the prospects of active DMOAD candidates in the phase 2/3 clinical trials of drug development pipeline based on key OA pathogenetic mechanisms directed to inflammation-driven, bone-driven, and cartilage-driven endotypes. The challenges and possible research opportunities are stated in terms of the formulation of a research question known as the PICO approach: (1) population, (2) interventions, (3) comparison or placebo, and (4) outcomes.
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Affiliation(s)
- Win Min Oo
- Department of Physical Medicine and Rehabilitation, Mandalay General Hospital, University of Medicine, Mandalay, Mandalay, Myanmar; Rheumatology Department, Royal North Shore Hospital, Institute of Bone and Joint Research, Kolling Institute, The University of Sydney, Sydney, Australia.
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3
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Ye X, Li X, Qiu J, Kuang Y, Hua B, Liu X. Alpha-ketoglutarate ameliorates age-related and surgery induced temporomandibular joint osteoarthritis via regulating IKK/NF-κB signaling. Aging Cell 2024:e14269. [PMID: 38992995 DOI: 10.1111/acel.14269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/03/2024] [Accepted: 06/18/2024] [Indexed: 07/13/2024] Open
Abstract
Recent studies have shed light on the important role of aging in the pathogenesis of joint degenerative diseases and the anti-aging effect of alpha-ketoglutarate (αKG). However, whether αKG has any effect on temporomandibular joint osteoarthritis (TMJOA) is unknown. Here, we demonstrate that αKG administration improves condylar cartilage health of middle-aged/aged mice, and ameliorates pathological changes in a rat model of partial discectomy (PDE) induced TMJOA. In vitro, αKG reverses IL-1β-induced/H2O2-induced decrease of chondrogenic markers (Col2, Acan and Sox9), and inhibited IL-1β-induced/ H2O2-induced elevation of cartilage catabolic markers (ADAMTS5 and MMP13) in condylar chondrocytes. In addition, αKG downregulates senescence-associated (SA) hallmarks of aged chondrocytes, including the mRNA/protein level of SA genes (p16 and p53), markers of nuclear disorders (Lamin A/C) and SA-β-gal activities. Mechanically, αKG decreases the expressions of p-IKK and p-NF-κB, protecting TMJ from inflammation and senescence-related damage by regulating the NF-κB signaling. Collectively, our findings illuminate that αKG can ameliorate age-related TMJOA and PDE-induced TMJOA, maintain the homeostasis of cartilage matrix, and exert anti-aging effects in chondrocytes, with a promising therapeutic potential in TMJOA, especially age-related TMJOA.
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Affiliation(s)
- Xiaoping Ye
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Xinping Li
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Jin Qiu
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Yiwen Kuang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Bingqiang Hua
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Xianwen Liu
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
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Tuerxun P, Ng T, Zhao K, Zhu P. Integration of metabolomics and transcriptomics provides insights into the molecular mechanism of temporomandibular joint osteoarthritis. PLoS One 2024; 19:e0301341. [PMID: 38753666 PMCID: PMC11098350 DOI: 10.1371/journal.pone.0301341] [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: 12/30/2023] [Accepted: 03/13/2024] [Indexed: 05/18/2024] Open
Abstract
The deficiency of clinically specific biomarkers has made it difficult to achieve an accurate diagnosis of temporomandibular joint osteoarthritis (TMJ-OA) and the insufficient comprehension of the pathogenesis of the pathogenesis of TMJ-OA has posed challenges in advancing therapeutic measures. The combined use of metabolomics and transcriptomics technologies presents a highly effective method for identifying vital metabolic pathways and key genes in TMJ-OA patients. In this study, an analysis of synovial fluid untargeted metabolomics of 6 TMJ-OA groups and 6 temporomandibular joint reducible anterior disc displacement (TMJ-DD) groups was conducted using liquid and gas chromatography mass spectrometry (LC/GC-MS). The differential metabolites (DMs) between TMJ-OA and TMJ-DD groups were analyzed through multivariate analysis. Meanwhile, a transcriptomic dataset (GSE205389) was obtained from the GEO database to analyze the differential metabolism-related genes (DE-MTGs) between TMJ-OA and TMJ-DD groups. Finally, an integrated analysis of DMs and DE-MTGs was carried out to investigate the molecular mechanisms associated with TMJ-OA. The analysis revealed significant differences in the levels of 46 DMs between TMJ-OA and TMJ-DD groups, of which 3 metabolites (L-carnitine, taurine, and adenosine) were identified as potential biomarkers for TMJ-OA. Collectively, differential expression analysis identified 20 DE-MTGs. Furthermore, the integration of metabolomics and transcriptomics analysis revealed that the tricarboxylic acid (TCA) cycle, alanine, aspartate and glutamate metabolism, ferroptosis were significantly enriched. This study provides valuable insights into the metabolic abnormalities and associated pathogenic mechanisms, improving our understanding of TMJOA etiopathogenesis and facilitating potential target screening for therapeutic intervention.
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Affiliation(s)
- Palati Tuerxun
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong Province, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Takkun Ng
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong Province, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Ke Zhao
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong Province, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Ping Zhu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong Province, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong Province, China
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Liu Q, Zhao Y, Shi H, Xiang D, Wu C, Song L, Ma N, Sun H. Long-term haplodeficency of DSPP causes temporomandibular joint osteoarthritis in mice. BMC Oral Health 2024; 24:569. [PMID: 38745274 PMCID: PMC11094853 DOI: 10.1186/s12903-024-04320-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 05/02/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Extracellular matrix (ECM) protein malfunction or defect may lead to temporomandibular joint osteoarthritis (TMJ OA). Dentin sialophophoprotein (DSPP) is a mandibular condylar cartilage ECM protein, and its deletion impacted cell proliferation and other extracellular matrix alterations of postnatal condylar cartilage. However, it remains unclear if long-term loss of function of DSPP leads to TMJ OA. The study aimed to test the hypothesis that long-term haploinsufficiency of DSPP causes TMJ OA. MATERIALS AND METHODS To determine whether Dspp+/- mice exhibit TMJ OA but no severe tooth defects, mandibles of wild-type (WT), Dspp+/-, and Dspp homozygous (Dspp-/-) mice were analyzed by Micro-computed tomography (micro-CT). To characterize the progression and possible mechanisms of osteoarthritic degeneration over time in Dspp+/- mice over time, condyles of Dspp+/- and WT mice were analyzed radiologically, histologically, and immunohistochemically. RESULTS Micro-CT and histomorphometric analyses revealed that Dspp+/- and Dspp-/- mice had significantly lower subchondral bone mass, bone volume fraction, bone mineral density, and trabecular thickness compared to WT mice at 12 months. Interestingly, in contrast to Dspp-/- mice which exhibited tooth loss, Dspp+/- mice had minor tooth defects. RNA sequencing data showed that haplodeficency of DSPP affects the biological process of ossification and osteoclast differentiation. Additionally, histological analysis showed that Dspp+/- mice had condylar cartilage fissures, reduced cartilage thickness, decreased articular cell numbers and severe subchondral bone cavities, and with signs that were exaggerated with age. Radiographic data showed an increase in subchondral osteoporosis up to 18 months and osteophyte formation at 21 months. Moreover, Dspp+/- mice showed increased distribution of osteoclasts in the subchondral bone and increased expression of MMP2, IL-6, FN-1, and TLR4 in the mandibular condylar cartilage. CONCLUSIONS Dspp+/- mice exhibit TMJ OA in a time-dependent manner, with lesions in the mandibular condyle attributed to hypomineralization of subchondral bone and breakdown of the mandibular condylar cartilage, accompanied by upregulation of inflammatory markers.
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Affiliation(s)
- Qilin Liu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Yitong Zhao
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Haibo Shi
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Danwei Xiang
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Chunye Wu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Lina Song
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Ning Ma
- Department of Rheumatology, The First Hospital, Jilin University, Changchun, China.
| | - Hongchen Sun
- Department of Oral Pathology, School and Hospital of Stomatology, Jilin University, Changchun, China.
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Liu S, Wu C, Zhang Y. Transcriptomics analyses of IL-1β-stimulated rat chondrocytes in temporomandibular joint condyles and effect of platelet-rich plasma. Heliyon 2024; 10:e26739. [PMID: 38434027 PMCID: PMC10906425 DOI: 10.1016/j.heliyon.2024.e26739] [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: 11/23/2023] [Revised: 02/09/2024] [Accepted: 02/19/2024] [Indexed: 03/05/2024] Open
Abstract
The biological mechanism of action of platelet-rich plasma (PRP) in the treatment of temporomandibular joint (TMJ) osteoarthritis remains unclear. This study explored the mechanisms underlying interleukin (IL)-1β-induced inflammation and investigated the effect of PRP on TMJ condylar chondrocytes. Primary chondrocytes were isolated from the TMJ condyle of 4-week-old rats, and differentially expressed genes among three treatment groups (phosphate-buffered saline [control], IL-1β, and IL-1β + PRP) were identified using RNA-seq and characterized using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes path-enrichment analyses. IL-1β caused inflammatory injury to chondrocytes by upregulating the TNF, NF-κB, and IL-17 signaling pathways and downregulating the MAPK and PI3K/Akt signaling pathways. PRP activated the MAPK and PI3K/Akt signaling pathways, exerting a protective effect on IL-1β-induced chondrocytes. PRP also activated the TNF and IL-17 signaling pathways, producing an inflammatory effect. Additionally, PRP increased the mRNA expression of the matrix catabolism-related genes Mmp3, Mmp9, and Mmp13; the proliferative markers Mki67 and PCNA; and the anti-apoptotic genes of the Bcl-2 family (Bcl2a1 and Bok), while reducing the expression of the pro-apoptotic genes Casp4 and Casp12. The findings suggest that the protective effect of PRP on IL-1β-induced chondrocyte injury is mainly achieved via MAPK-PI3K/Akt signaling, increasing cell proliferation and inhibiting cell apoptosis.
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Affiliation(s)
- Shasha Liu
- Department of Rehabilitation Medicine, The Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Department of Rehabilitation Medicine, Sijing Hospital of the Songjiang District of Shanghai, Shanghai, 201600 China
| | - Chaolun Wu
- Department of Rehabilitation Medicine, The Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Yuxin Zhang
- Department of Rehabilitation Medicine, The Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
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7
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Liu H, Liu L, Rosen CJ. PTH and the Regulation of Mesenchymal Cells within the Bone Marrow Niche. Cells 2024; 13:406. [PMID: 38474370 PMCID: PMC10930661 DOI: 10.3390/cells13050406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Parathyroid hormone (PTH) plays a pivotal role in maintaining calcium homeostasis, largely by modulating bone remodeling processes. Its effects on bone are notably dependent on the duration and frequency of exposure. Specifically, PTH can initiate both bone formation and resorption, with the outcome being influenced by the manner of PTH administration: continuous or intermittent. In continuous administration, PTH tends to promote bone resorption, possibly by regulating certain genes within bone cells. Conversely, intermittent exposure generally favors bone formation, possibly through transient gene activation. PTH's role extends to various aspects of bone cell activity. It directly influences skeletal stem cells, osteoblastic lineage cells, osteocytes, and T cells, playing a critical role in bone generation. Simultaneously, it indirectly affects osteoclast precursor cells and osteoclasts, and has a direct impact on T cells, contributing to its role in bone resorption. Despite these insights, the intricate mechanisms through which PTH acts within the bone marrow niche are not entirely understood. This article reviews the dual roles of PTH-catabolic and anabolic-on bone cells, highlighting the cellular and molecular pathways involved in these processes. The complex interplay of these factors in bone remodeling underscores the need for further investigation to fully comprehend PTH's multifaceted influence on bone health.
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Affiliation(s)
- Hanghang Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China;
- Maine Medical Center, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, USA;
| | - Linyi Liu
- Maine Medical Center, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, USA;
| | - Clifford J. Rosen
- Maine Medical Center, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, USA;
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Jiang H, Tang Q, Zheng D, Gu Y, Man C. Parathyroid hormone enhances the therapeutic effect of mesenchymal stem cells on temporomandibular joint osteoarthritis in rats. AMERICAN JOURNAL OF STEM CELLS 2023; 12:73-82. [PMID: 38021454 PMCID: PMC10658131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 09/12/2023] [Indexed: 12/01/2023]
Abstract
OBJECTIVES Temporomandibular joint osteoarthritis (TMJOA) is a degenerative disease affecting the joint, which is characterized by injury to the articular cartilage, as well as changes in the synovial and subchondral bone. TMJOA has a high incidence rate, without any effective treatment. Despite the therapeutic potential of mesenchymal stem cells (MSCs) in various diseases, their efficacy in treating TMJOA is constrained by the local hypoxic conditions and elevated reactive oxygen species (ROS) environment within the damaged temporomandibular joint. In recent years, many studies have reported that parathyroid hormone (PTH) can effectively treat TMJOA, and has an important impact on MSC differentiation. Therefore, we hypothesized that PTH may influence the potential of MSCs, thereby improving their therapeutic effect on TMJOA. METHODS First, we isolated and cultured rat bone marrow MSCs, and evaluated their proliferation and differentiation after adding PTH. Next, the in vitro environment of hypoxia and high ROS was established by hypoxia condition and H2O2 treatment, and the resistance of PTH-treated MSCs to hypoxia and ROS was subsequently investigated. Finally, PTH-treated MSCs were used to treat TMJOA in a rat model to evaluate the efficacy of PTH. RESULTS PTH enhanced the proliferation ability of MSCs, promoted the osteogenic differentiation of MSCs, and improved the tolerance of MSCs to hypoxia and ROS. Finally, the therapeutic effect of PTH-treated MSCs on TMJOA was significantly improved. CONCLUSION PTH enhances the therapeutic effect of MSCs on TMJOA in rats.
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Affiliation(s)
- Haitao Jiang
- Department of Oral and Maxillofacial Trauma and Orthognathic Surgery, Stomatological Hospital of Zunyi Medical UniversityZunyi, Guizhou, China
| | - Qiuyu Tang
- Honghuagang District Stomatological Hospital of Zunyi CityZunyi, Guizhou, China
| | - Dexin Zheng
- Department of Oral and Maxillofacial Trauma and Orthognathic Surgery, Stomatological Hospital of Zunyi Medical UniversityZunyi, Guizhou, China
| | - Yunkai Gu
- Department of Stomatology, Affiliated Hospital of Jiangnan UniversityWuxi, Jiangsu, China
| | - Cheng Man
- Department of Oral and Maxillofacial Trauma and Orthognathic Surgery, Stomatological Hospital of Zunyi Medical UniversityZunyi, Guizhou, 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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10
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Li G, Liu S, Xu H, Chen Y, Deng J, Xiong A, Wang D, Weng J, Yu F, Gao L, Ding C, Zeng H. Potential effects of teriparatide (PTH (1-34)) on osteoarthritis: a systematic review. Arthritis Res Ther 2023; 25:3. [PMID: 36609338 PMCID: PMC9817404 DOI: 10.1186/s13075-022-02981-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
Osteoarthritis (OA) is a common and prevalent degenerative joint disease characterized by degradation of the articular cartilage. However, none of disease-modifying OA drugs is approved currently. Teriparatide (PTH (1-34)) might stimulate chondrocyte proliferation and cartilage regeneration via some uncertain mechanisms. Relevant therapies of PTH (1-34) on OA with such effects have recently gained increasing interest, but have not become widespread practice. Thus, we launch this systematic review (SR) to update the latest evidence accordingly. A comprehensive literature search was conducted in PubMed, Web of Science, MEDLINE, the Cochrane Library, and Embase from their inception to February 2022. Studies investigating the effects of the PTH (1-34) on OA were obtained. The quality assessment and descriptive summary were made of all included studies. Overall, 307 records were identified, and 33 studies were included. In vivo studies (n = 22) concluded that PTH (1-34) slowed progression of OA by alleviating cartilage degeneration and aberrant remodeling of subchondral bone (SCB). Moreover, PTH (1-34) exhibited repair of cartilage and SCB, analgesic, and anti-inflammatory effects. In vitro studies (n = 11) concluded that PTH (1-34) was important for chondrocytes via increasing the proliferation and matrix synthesis but preventing apoptosis or hypertrophy. All included studies were assessed with low or unclear risk of bias in methodological quality. The SR demonstrated that PTH (1-34) could alleviate the progression of OA. Moreover, PTH (1-34) had beneficial effects on osteoporotic OA (OPOA) models, which might be a therapeutic option for OA and OPOA treatment.
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Affiliation(s)
- Guoqing Li
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Su Liu
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Huihui Xu
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Yixiao Chen
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Jiapeng Deng
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Ao Xiong
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Deli Wang
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Jian Weng
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Fei Yu
- grid.440601.70000 0004 1798 0578Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China ,grid.440601.70000 0004 1798 0578National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036 People’s Republic of China
| | - Liang Gao
- Center for Clinical Medicine, Huatuo Institute of Medical Innovation (HTIMI), Berlin, Germany. .,Sino Euro Orthopaedics Network (SEON), Berlin, Germany.
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
| | - Hui Zeng
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China. .,National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China.
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11
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Chen PJ, Wang K, Mehta S, O’Brien MH, Dealy CN, Dutra EH, Yadav S. Anabolic Response of Intermittent Parathyroid Hormone and Alendronate on the Osteochondral Tissue of TMJ. Cartilage 2022; 13:171-183. [PMID: 36239576 PMCID: PMC9924974 DOI: 10.1177/19476035221109229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To characterize the effects of parathyroid hormone (PTH) and alendronate (Alend) on the osteochondral tissue of temporomandibular joint (TMJ). MATERIALS AND METHODS Ninety-six male and female transgenic reporter mice, 4 to 5 weeks old were divided into 6 groups: (1) Control group: Saline was injected daily for 14 days; (2) PTH: PTH was injected daily for 14 days; (3) Alend: Alend was injected every alternate days for 14 days; (4) Combined PTH and Alend: PTH was injected daily and Alend injected every alternate days for 14 days; (5) PTH then Alend: PTH was injected daily for 14 days followed by Alend injections in alternate days for 14 days; and (6) PTH wait Alend: PTH was injected daily for 14 days. There was a waiting period of 1 week before administration of Alend in alternate days for 14 days. Mice were injected with 5-ethnyl-2'-deoxyuridine (EdU), 48 and 24 hours prior to euthanization. RESULTS There was significant increase in bone volume and decrease in osteoclastic activity in groups in which Alend was administered after PTH in both gender. There was significant increase in cartilage thickness with PTH or Alend alone in females, whereas in males, PTH alone led to increase in cartilage thickness. Chondrocyte apoptosis was significantly decreased with PTH or Alend alone in both male and female. Matrix metallopeptidase 13, and aggreganase-2 (ADAMTS5) expression were significantly decreased with PTH and Alend alone in both gender. CONCLUSION PTH and Alend administration causes anabolic effects in the osteochondral tissue of TMJ.
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Affiliation(s)
- Po-Jung Chen
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA
| | - Ke Wang
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA
| | - Shivam Mehta
- Department of Developmental Sciences,
Marquette University School of Dentistry, Milwaukee, WI, USA
| | - Mara H. O’Brien
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA
| | - Caroline N. Dealy
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA
| | - Eliane H. Dutra
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA
| | - Sumit Yadav
- Division of Orthodontics, School of
Dental Medicine, UConn Health, Farmington, CT, USA,Sumit Yadav, Department of Orthodontics,
School of Dental Medicine, UConn Health, 263 Farmington Avenue, MC1725,
Farmington, CT 06030, USA.
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12
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Wang D, Wang H. Cellular Senescence in Bone. Physiology (Bethesda) 2022. [DOI: 10.5772/intechopen.101803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Senescence is an irreversible cell-cycle arrest process induced by environmental, genetic, and epigenetic factors. An accumulation of senescent cells in bone results in age-related disorders, and one of the common problems is osteoporosis. Deciphering the basic mechanisms contributing to the chronic ailments of aging may uncover new avenues for targeted treatment. This review focuses on the mechanisms and the most relevant research advancements in skeletal cellular senescence. To identify new options for the treatment or prevention of age-related chronic diseases, researchers have targeted hallmarks of aging, including telomere attrition, genomic instability, cellular senescence, and epigenetic alterations. First, this chapter provides an overview of the fundamentals of bone tissue, the causes of skeletal involution, and the role of cellular senescence in bone and bone diseases such as osteoporosis. Next, this review will discuss the utilization of pharmacological interventions in aging tissues and, more specifically, highlight the role of senescent cells to identify the most effective and safe strategies.
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13
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Zhao W, Yu Y, Zhang Z, He D, Zhang H. Bioinspired Nanospheres as Anti-inflammation and Antisenescence Interfacial Biolubricant for Treating Temporomandibular Joint Osteoarthritis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:35409-35422. [PMID: 35894784 DOI: 10.1021/acsami.2c09120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The development of temporomandibular joint (TMJ) osteoarthritis is highly associated with mechanical overloading, which can result in accelerated cartilage degradation and damage due to increased interfacial friction and the release of inflammatory factors and catabolic enzymes. In the present study, we for the first time developed self-assembled drug-free nanospheres with pharmaceutical-active functions, which could be used as an intra-articularly injected biolubricant for the treatment of TMJ osteoarthritis based on a synergistic therapy of enhanced lubrication, anti-inflammation, and antisenescence. The nanospheres possessed the hydrophobic core of dopamine methacrylamide and the hydrophilic shell of sulfobetaine methacrylate, which formed into spherical aggregates in aqueous solution by specific interactions following reversible addition-fragmentation chain transfer polymerization. The biodegradation test, tribological test, and free radical scavenging test showed that the nanospheres were endowed with physiological stability, lubrication enhancement, and free radical scavenging capability. In addition, the in vitro cell test revealed that the nanospheres alleviated inflammatory and senescent phenotype for inflammation and oxidative stress stimulated chondrocytes. Furthermore, the in vivo animal test indicated that the nanospheres, after intra-articular injection into TMJ with an osteoarthritis environment, effectively protected condylar cartilage and subchondral bone from structural damage and attenuated cartilage matrix degradation and aging. In summary, the self-assembled nanospheres might be used as a promising biolubricant for achieving anti-inflammatory and antisenescent treatment of TMJ osteoarthritis.
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Affiliation(s)
- Weiwei Zhao
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
- Department of Biomaterials, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - Yeke Yu
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology; National Clinical Research Center of Stomatology, Shanghai 200011, China
| | - Zhiyuan Zhang
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology; National Clinical Research Center of Stomatology, Shanghai 200011, China
| | - Dongmei He
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology; National Clinical Research Center of Stomatology, Shanghai 200011, China
| | - Hongyu Zhang
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
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14
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Zhang J, Pi C, Cui C, Zhou Y, Liu B, Liu J, Xu X, Zhou X, Zheng L. PTHrP promotes subchondral bone formation in TMJ-OA. Int J Oral Sci 2022; 14:37. [PMID: 35853862 PMCID: PMC9296483 DOI: 10.1038/s41368-022-00189-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 02/08/2023] Open
Abstract
PTH-related peptide (PTHrP) improves the bone marrow micro-environment to activate the bone-remodelling, but the coordinated regulation of PTHrP and transforming growth factor-β (TGFβ) signalling in TMJ-OA remains incompletely understood. We used disordered occlusion to establish model animals that recapitulate the ordinary clinical aetiology of TMJ-OA. Immunohistochemical and histological analyses revealed condylar fibrocartilage degeneration in model animals following disordered occlusion. TMJ-OA model animals administered intermittent PTHrP (iPTH) exhibited significantly decreased condylar cartilage degeneration. Micro-CT, histomorphometry, and Western Blot analyses disclosed that iPTH promoted subchondral bone formation in the TMJ-OA model animals. In addition, iPTH increased the number of osterix (OSX)-positive cells and osteocalcin (OCN)-positive cells in the subchondral bone marrow cavity. However, the number of osteoclasts was also increased by iPTH, indicating that subchondral bone volume increase was mainly due to the iPTH-mediated increase in the bone-formation ability of condylar subchondral bone. In vitro, PTHrP treatment increased condylar subchondral bone marrow-derived mesenchymal stem cell (SMSC) osteoblastic differentiation potential and upregulated the gene and protein expression of key regulators of osteogenesis. Furthermore, we found that PTHrP-PTH1R signalling inhibits TGFβ signalling during osteoblastic differentiation. Collectively, these data suggested that iPTH improves OA lesions by enhancing osteoblastic differentiation in subchondral bone and suppressing aberrant active TGFβ signalling. These findings indicated that PTHrP, which targets the TGFβ signalling pathway, may be an effective biological reagent to prevent and treat TMJ-OA in the clinic.
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Affiliation(s)
- Jun Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Yunnan Key Laboratory of Stomatology, Kunming, China.,Department of, Affiliated Stomatological Hospital, Kunming Medical University, Kunming, China
| | - Caixia Pi
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chen Cui
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yang Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Bo Liu
- Yunnan Key Laboratory of Stomatology, Kunming, China
| | - Juan Liu
- Yunnan Key Laboratory of Stomatology, Kunming, China
| | - Xin Xu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Liwei Zheng
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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15
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16
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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: 14] [Impact Index Per Article: 7.0] [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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17
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Lyu P, Li B, Li P, Bi R, Cui C, Zhao Z, Zhou X, Fan Y. Parathyroid Hormone 1 Receptor Signaling in Dental Mesenchymal Stem Cells: Basic and Clinical Implications. Front Cell Dev Biol 2021; 9:654715. [PMID: 34760881 PMCID: PMC8573197 DOI: 10.3389/fcell.2021.654715] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 09/28/2021] [Indexed: 02/05/2023] Open
Abstract
Parathyroid hormone (PTH) and parathyroid hormone-related protein (PTHrP) are two peptides that regulate mineral ion homeostasis, skeletal development, and bone turnover by activating parathyroid hormone 1 receptor (PTH1R). PTH1R signaling is of profound clinical interest for its potential to stimulate bone formation and regeneration. Recent pre-clinical animal studies and clinical trials have investigated the effects of PTH and PTHrP analogs in the orofacial region. Dental mesenchymal stem cells (MSCs) are targets of PTH1R signaling and have long been known as major factors in tissue repair and regeneration. Previous studies have begun to reveal important roles for PTH1R signaling in modulating the proliferation and differentiation of MSCs in the orofacial region. A better understanding of the molecular networks and underlying mechanisms for modulating MSCs in dental diseases will pave the way for the therapeutic applications of PTH and PTHrP in the future. Here we review recent studies involving dental MSCs, focusing on relationships with PTH1R. We also summarize recent basic and clinical observations of PTH and PTHrP treatment to help understand their use in MSCs-based dental and bone regeneration.
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Affiliation(s)
- Ping Lyu
- State Key Laboratory of Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Bo Li
- State Key Laboratory of Oral Diseases, Department of Orthodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peiran Li
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ruiye Bi
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chen Cui
- Guangdong Province Key Laboratory of Stomatology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangdong, China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, Department of Orthodontics, 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, West China Hospital of Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Yi Fan
- State Key Laboratory of Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
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18
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Han X, Wu Y, Shan Y, Zhang X, Liao J. Effect of Micro-/Nanoparticle Hybrid Hydrogel Platform on the Treatment of Articular Cartilage-Related Diseases. Gels 2021; 7:gels7040155. [PMID: 34698122 PMCID: PMC8544595 DOI: 10.3390/gels7040155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/18/2021] [Accepted: 09/23/2021] [Indexed: 02/05/2023] Open
Abstract
Joint diseases that mainly lead to articular cartilage injury with prolonged severe pain as well as dysfunction have remained unexplained for many years. One of the main reasons is that damaged articular cartilage is unable to repair and regenerate by itself. Furthermore, current therapy, including drug therapy and operative treatment, cannot solve the problem. Fortunately, the micro-/nanoparticle hybrid hydrogel platform provides a new strategy for the treatment of articular cartilage-related diseases, owing to its outstanding biocompatibility, high loading capability, and controlled release effect. The hybrid platform is effective for controlling symptoms of pain, inflammation and dysfunction, and cartilage repair and regeneration. In this review, we attempt to summarize recent studies on the latest development of micro-/nanoparticle hybrid hydrogel for the treatment of articular cartilage-related diseases. Furthermore, some prospects are proposed, aiming to improve the properties of the micro-/nanoparticle hybrid hydrogel platform so as to offer useful new ideas for the effective and accurate treatment of articular cartilage-related diseases.
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19
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Huang G, Zhong Y, Li W, Liao W, Wu P. Causal Relationship Between Parathyroid Hormone and the Risk of Osteoarthritis: A Mendelian Randomization Study. Front Genet 2021; 12:686939. [PMID: 34381493 PMCID: PMC8352559 DOI: 10.3389/fgene.2021.686939] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/03/2021] [Indexed: 11/13/2022] Open
Abstract
Background Previous studies have demonstrated an inverse association between parathyroid hormone (PTH) and the risk of osteoarthritis (OA). However, it remains unknown whether such association reflects causality. We aimed to apply a Mendelian randomization (MR) approach to investigate the causal association between PTH and OA. Materials and Methods We performed a two-sample MR analysis using summary statistics from 13 cohorts (PTH, N = 29,155) and a recent genome-wide association study meta-analysis (OA, N = 455,221) by the UK Biobank and Arthritis Research UK OA Genetics (arcOGEN). MR analyses were carried out mainly using the inverse-variance-weighted method. Sensitivity analyses were performed to test the robustness of the associations using the weighted median method, the MR-Egger method, and "leave-one-out" analysis. Analyses were performed again to test whether the associations remained statistically significant after excluding any outlier variants that were detected using the MR-PRESSO (Mendelian Randomization Pleiotropy RESidual Sum and Outlier) test. Results Five single-nucleotide polymorphisms (SNPs) were selected as instrumental variables at the genome-wide significance threshold (p < 5 × 10-8). The causal effect between PTH and OA was genetically predicted using the inverse-variance-weighted method (odds ratio = 0.67, 95% confidence interval: 0.50-0.90; p = 0.008). This result was borne out using the weighted median method (odds ratio = 0.73, 95% confidence interval: 0.60-0.90; p = 0.004). The causality remained robust after discarding the outlier variants as well as SNPs associated with confounding factors. Conclusion MR analysis supported a potential causative relationship between decreased serum circulating PTH and a higher risk of hip and knee OA.
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Affiliation(s)
- Guiwu Huang
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
| | - Yanlin Zhong
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
| | - Wenchang Li
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
| | - Weiming Liao
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
| | - Peihui Wu
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
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20
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Chandra A, Rajawat J. Skeletal Aging and Osteoporosis: Mechanisms and Therapeutics. Int J Mol Sci 2021; 22:ijms22073553. [PMID: 33805567 PMCID: PMC8037620 DOI: 10.3390/ijms22073553] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023] Open
Abstract
Bone is a dynamic organ maintained by tightly regulated mechanisms. With old age, bone homeostasis, which is maintained by an intricate balance between bone formation and bone resorption, undergoes deregulation. Oxidative stress-induced DNA damage, cellular apoptosis, and cellular senescence are all responsible for this tissue dysfunction and the imbalance in the bone homeostasis. These cellular mechanisms have become a target for therapeutics to treat age-related osteoporosis. Genetic mouse models have shown the importance of senescent cell clearance in alleviating age-related osteoporosis. Furthermore, we and others have shown that targeting cellular senescence pharmacologically was an effective tool to alleviate age- and radiation-induced osteoporosis. Senescent cells also have an altered secretome known as the senescence associated secretory phenotype (SASP), which may have autocrine, paracrine, or endocrine function. The current review discusses the current and potential pathways which lead to a senescence profile in an aged skeleton and how bone homeostasis is affected during age-related osteoporosis. The review has also discussed existing therapeutics for the treatment of osteoporosis and rationalizes for novel therapeutic options based on cellular senescence and the SASP as an underlying pathogenesis of an aging bone.
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Affiliation(s)
- Abhishek Chandra
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55902, USA
- Department of Internal Medicine, Division of Geriatric Medicine and Gerontology, Mayo Clinic, Rochester, MN 55902, USA
- Robert and Arlene Kogod Aging Center, Mayo Clinic, Rochester, MN 55902, USA
- Correspondence: ; Tel.: +1-507-266-1847
| | - Jyotika Rajawat
- Department of Zoology, University of Lucknow, University Rd, Babuganj, Hasanganj, Lucknow, Uttar Pradesh 226007, India;
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21
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Sun Q, Zhen G, Li TP, Guo Q, Li Y, Su W, Xue P, Wang X, Wan M, Guan Y, Dong X, Li S, Cai M, Cao X. Parathyroid hormone attenuates osteoarthritis pain by remodeling subchondral bone in mice. eLife 2021; 10:e66532. [PMID: 33646122 PMCID: PMC8012060 DOI: 10.7554/elife.66532] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/26/2021] [Indexed: 12/20/2022] Open
Abstract
Osteoarthritis, a highly prevalent degenerative joint disorder, is characterized by joint pain and disability. Available treatments fail to modify osteoarthritis progression and decrease joint pain effectively. Here, we show that intermittent parathyroid hormone (iPTH) attenuates osteoarthritis pain by inhibiting subchondral sensory innervation, subchondral bone deterioration, and articular cartilage degeneration in a destabilized medial meniscus (DMM) mouse model. We found that subchondral sensory innervation for osteoarthritis pain was significantly decreased in PTH-treated DMM mice compared with vehicle-treated DMM mice. In parallel, deterioration of subchondral bone microarchitecture in DMM mice was attenuated by iPTH treatment. Increased level of prostaglandin E2 in subchondral bone of DMM mice was reduced by iPTH treatment. Furthermore, uncoupled subchondral bone remodeling caused by increased transforming growth factor β signaling was regulated by PTH-induced endocytosis of the PTH type 1 receptor-transforming growth factor β type 2 receptor complex. Notably, iPTH improved subchondral bone microarchitecture and decreased level of prostaglandin E2 and sensory innervation of subchondral bone in DMM mice by acting specifically through PTH type 1 receptor in Nestin+ mesenchymal stromal cells. Thus, iPTH could be a potential disease-modifying therapy for osteoarthritis.
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Affiliation(s)
- Qi Sun
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji UniversityShanghaiChina
| | - Gehua Zhen
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Tuo Peter Li
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Qiaoyue Guo
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Yusheng Li
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Weiping Su
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Peng Xue
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Xiao Wang
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Mei Wan
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Yun Guan
- Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Xinzhong Dong
- Department of Neuroscience, The Johns Hopkins University School of Medicine, Howard Hughes Medical InstituteBaltimoreUnited States
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Howard Hughes Medical InstituteBaltimoreUnited States
- Department of Dermatology, The Johns Hopkins University School of Medicine, Howard Hughes Medical InstituteBaltimoreUnited States
- Center of Sensory Biology, The Johns Hopkins University School of Medicine, Howard Hughes Medical InstituteBaltimoreUnited States
| | - Shaohua Li
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji UniversityShanghaiChina
| | - Ming Cai
- Department of Orthopaedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji UniversityShanghaiChina
| | - Xu Cao
- Department of Orthopaedic Surgery, Institute of Cell Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
- Department of Biomedical Engineering, The Johns Hopkins University School of MedicineBaltimoreUnited States
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Sun NN, He DM, Yang C, Zhou Q. Posttraumatic Osteoarthritis of Temporomandibular Joint in Miniature Pigs. J HARD TISSUE BIOL 2021. [DOI: 10.2485/jhtb.30.79] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Ning-Ning Sun
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases
| | - Dong-Mei He
- Department of Oral and Maxillofacial Surgery, Shanghai Ninth People’s Hospital, School of Stomatology, Shanghai Jiao Tong University School of Medicine
| | - Chi Yang
- Department of Oral and Maxillofacial Surgery, Shanghai Ninth People’s Hospital, School of Stomatology, Shanghai Jiao Tong University School of Medicine
| | - Qing Zhou
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases
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Cui C, Zheng L, Fan Y, Zhang J, Xu R, Xie J, Zhou X. Parathyroid hormone ameliorates temporomandibular joint osteoarthritic-like changes related to age. Cell Prolif 2020; 53:e12755. [PMID: 32154622 PMCID: PMC7162802 DOI: 10.1111/cpr.12755] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES Ageing could be a contributing factor to the progression of temporomandibular joint osteoarthritis (TMJ OA), whereas its pathogenesis and potential therapeutic strategy have not been comprehensively investigated. MATERIALS AND METHODS We generated ageing mouse models (45-week and 60-week; 12-week mice as control) and intermittently injected 45-week mice with parathyroid hormone (PTH(1-34)) or vehicle for 4 weeks. Cartilage and subchondral bone of TMJ were analysed by microCT, histological and immunostaining. Western blot, qRT-PCR, ChIP, ELISA and immunohistochemical analysis were utilized to examination the mechanism of PTH(1-34)'s function. RESULTS We showed apparent OA-like phenotypes in ageing mice. PTH treatment could ameliorate the degenerative changes and improve bone microarchitecture in the subchondral bone by activating bone remodelling. Moreover, PTH inhibited phosphorylation level of Smad3, which can combine with p16ink4a gene promoter region, resulting in reduced senescent cells accumulation and increased cellular proliferation of marrow mesenchymal stem cells (MSCs). ELISA also showed relieved levels of specific senescent-associated secretory phenotype (SASP) in ageing mice after PTH treatment. CONCLUSIONS In summary, PTH may reduce the accumulation of senescent cells in subchondral bone by inhibiting p16ink4a and improve bone marrow microenvironment to active bone remodelling process, indicating PTH administration could be a potential preventative and therapeutic treatment for age-related TMJ OA.
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Affiliation(s)
- Chen Cui
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Liwei Zheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Yi Fan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Jun Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China.,School of Stomatology, Kunming Medical University, Kunming, China
| | - Ruoshi Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
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