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Nagai K, Ishii T, Ohno T, Nishii Y. Overload of the Temporomandibular Joints Accumulates γδ T Cells in a Mouse Model of Rheumatoid Arthritis: A Morphological and Histological Evaluation. Front Immunol 2022; 12:753754. [PMID: 35069529 PMCID: PMC8771909 DOI: 10.3389/fimmu.2021.753754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/08/2021] [Indexed: 11/13/2022] Open
Abstract
Recently, it has been reported that γδ T cells are associated with the pathology of rheumatoid arthritis (RA). However, there are many uncertainties about their relationship. In this study, we investigated the morphological and histological properties of peripheral as well as temporomandibular joints (TMJ) in a mouse model of rheumatoid arthritis with and without exposure to mechanical strain on the TMJ. Collagen antibody-induced arthritis (CAIA) was induced by administering collagen type II antibody and lipopolysaccharide to male DBA/1JNCrlj mice at 9-12 weeks of age, and mechanical stress (MS) was applied to the mandibular condyle. After 14 days, 3D morphological evaluation by micro-CT, histological staining (Hematoxylin Eosin, Safranin O, and Tartrate-Resistant Acid Phosphatase staining), and immunohistochemical staining (ADAMTS-5 antibody, CD3 antibody, CD45 antibody, RORγt antibody, γδ T cell receptor antibody) were performed. The lower jawbone was collected. The mandibular condyle showed a rough change in the surface of the mandibular condyle based on three-dimensional analysis by micro-CT imaging. Histological examination revealed bone and cartilage destruction, such as a decrease in chondrocyte layer width and an increase in the number of osteoclasts in the mandibular condyle. Then, immune-histological staining revealed accumulation of T and γδ T cells in the subchondral bone. The temporomandibular joint is less sensitive to the onset of RA, but it has been suggested that it is exacerbated by mechanical stimulation. Additionally, the involvement of γδ T cells was suggested as the etiology of rheumatoid arthritis.
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Affiliation(s)
- Kohei Nagai
- Department of Orthodontics, Tokyo Dental College, Tokyo, Japan
| | - Takenobu Ishii
- Department of Orthodontics, Tokyo Dental College, Tokyo, Japan
| | - Tatsukuni Ohno
- Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
- Tokyo Dental College Research Branding Project, Tokyo Dental College, Tokyo, Japan
| | - Yasushi Nishii
- Department of Orthodontics, Tokyo Dental College, Tokyo, Japan
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Crossman J, Lai H, Kulka M, Jomha N, Flood P, El-Bialy T. Collagen-Induced Temporomandibular Joint Arthritis Juvenile Rat Animal Model. Tissue Eng Part C Methods 2021; 27:115-123. [PMID: 33397207 DOI: 10.1089/ten.tec.2020.0294] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Juvenile idiopathic arthritis can affect the temporomandibular joint (TMJ) can cause growth disturbances of the lower jaw (mandible). The collagen-induced arthritis (CIA) juvenile rat model may be an appropriate model for studying how juvenile arthritis affects this joint during growth. However, studies using this animal model to investigate TMJ arthritis are limited. To validate an animal model for studying TMJ arthritis in growing rats, our study aimed to investigate the changes in mandibular growth and expression of proteins and cytokines in the mandibular condyle of CIA juvenile rat TMJs. A total of 27 male Wistar rats (3 weeks old) were scanned with microcomputed tomography (MicroCT) and divided into three groups (n = 9); CIA was induced in each TMJ in the CIA group, the Saline group received saline injections (sham injections) into their TMJs, and the Healthy group remained untreated (no TMJ injections) as negative controls. After 4 weeks, our results show that mandibular growth was significantly reduced in the CIA group compared with the Saline group (p < 0.01). There was no difference in mandibular growth between the two control groups (Saline and Healthy). Inflamed synovial tissue, cartilage invaginations, and lipid accumulation were observed in the CIA TMJs. Toluidine blue staining revealed decreased proteoglycan production in the CIA cartilage. In addition, immunohistochemistry revealed that type II collagen expression decreased, interleukin-1β expression increased, and matrix metalloproteinase-13 expression increased in the CIA TMJs in comparison with the two control groups (Saline and Healthy). Immunostaining of tumor necrosis factor-α (TNF-α) was quantified and we showed that TNF-α expression was significantly greater in the CIA cartilage compared with both control groups (p < 0.05), and there was no difference in TNF-α expression between the Saline and Healthy groups. This CIA juvenile rat model of TMJ juvenile arthritis shows that CIA reduced mandibular growth and induced degenerative changes in TMJ condylar cartilage. This new information will help to understand the pathogenesis involved in CIA in juvenile rat TMJs for this animal model to be used in research investigating new therapeutics to treat TMJ juvenile arthritis. Impact statement In this study, the effects of collagen-induced arthritis (CIA) on the temporomandibular joint (TMJ) using a juvenile rat model were investigated. Our results showed that local injection of CIA in the TMJ significantly reduced mandibular growth and caused degenerative changes in condylar cartilage. This information helps to validate this animal model for studying the effect of arthritis in TMJs in growing rats. This model has the potential to be used in future studies to evaluate possible therapies for TMJ arthritis.
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Affiliation(s)
- Jacqueline Crossman
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Hollis Lai
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Marianna Kulka
- Department of Medical Microbiology & Immunology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Nadr Jomha
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Patrick Flood
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Tarek El-Bialy
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
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Hutami IR, Tanaka E, Izawa T. Crosstalk between Fas and S1P 1 signaling via NF-kB in osteoclasts controls bone destruction in the TMJ due to rheumatoid arthritis. JAPANESE DENTAL SCIENCE REVIEW 2019; 55:12-19. [PMID: 30733840 PMCID: PMC6354287 DOI: 10.1016/j.jdsr.2018.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 08/27/2018] [Accepted: 09/18/2018] [Indexed: 12/20/2022] Open
Abstract
Rheumatoid arthritis (RA) mainly affects various joints of the body, including the temporomandibular joint (TMJ), and it involves an infiltration of autoantibodies and inflammatory leukocytes into articular tissues and the synovium. Initially, the synovial lining tissue becomes engaged with several kinds of infiltrating cells, including osteoclasts, macrophages, lymphocytes, and plasma cells. Eventually, bone degradation occurs. In order to elucidate the best therapy for RA, a comprehensive study of RA pathogenesis needs to be completed. In this article, we discuss a Fas-deficient condition which develops into RA, with an emphasis on the role of sphingosine 1-phosphate (S1P)/S1P receptor 1 signaling which induces the migration of osteoclast precursor cells. We describe that Fas/S1P1 signaling via NF-κB activation in osteoclasts is a key factor in TMJ-RA severity and we discuss a strategy for blocking nuclear translocation of the p50 NF-κB subunit as a potential therapy for attenuating osteoclastogenesis.
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Affiliation(s)
| | | | - Takashi Izawa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University, Graduate School of Biomedical Sciences, 3-18-15 Kuramoto-cho, Tokushima 7708504, Japan
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El Qashty RMN, Mohamed NN, Radwan LRS, Ibrahim FMM. Effect of bone marrow mesenchymal stem cells on healing of temporomandibular joints in rats with induced rheumatoid arthritis. Eur J Oral Sci 2018; 126:272-281. [PMID: 29952027 DOI: 10.1111/eos.12533] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2018] [Indexed: 12/15/2022]
Abstract
The healing capacity of bone marrow mesenchymal stem cells (BMMSCs) has been evaluated in various studies. This study aimed to evaluate the effect of BMMSCs on the healing of temporomandibular joints (TMJs) with induced rheumatoid arthritis. Fifty healthy male Sprague Dawley rats were divided into three groups: group I (n = 10), negative control; group II (n = 20), positive control (induction of arthritis by adjuvant followed by intravenous injection of 0.1 ml of PBS); and group III (n = 20), intervention (as for group II but injected intravenously with 1 × 106 cells ml-1 of BMMSCs suspended in PBS). Half of the rats in each group were euthanized 3 wk after the start of the experiment and the other half was euthanized after 5 wk. Group I revealed normal TMJ features. Group II showed thickening of disc, thinning of cartilage, disordered bone trabeculae, and decreased in mean % area staining positive of collagen fibers at 3 wk, while at 5 wk these effects were more aggravated. Group III showed nearly normal thickness of disc and condylar cartilage, nearly normal arrangement of bone trabeculae and regenerated collagen fibers at 3 wk, while after 5 wk the TMJ features were almost normal. Two-way anova revealed statistically significant differences between groups. Thus, treatment of induced rheumatoid arthritis with BMMSCs shows promising results that need to be further investigated in humans.
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Affiliation(s)
- Rana M N El Qashty
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Nesreen N Mohamed
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Lobna R S Radwan
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.,Department of Oral Biology, Faculty of Oral and Dental Medicine, Delta University for Science and Technology, Gamasa, Egypt
| | - Fatma M M Ibrahim
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
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Yu H, Jiang L, Wan B, Zhang W, Yao L, Che T, Gan C, Su N, He J, Huang J, Zhang K, Zhang Y. The role of aryl hydrocarbon receptor in bone remodeling. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2017; 134:44-49. [PMID: 29277341 DOI: 10.1016/j.pbiomolbio.2017.12.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 12/18/2017] [Accepted: 12/21/2017] [Indexed: 12/12/2022]
Abstract
Bone remodeling is a persistent process for maintaining skeletal system homeostasis, and it depends on the dynamic equilibrium between bone-forming osteoblasts and bone-resorbing osteoclasts. Aryl hydrocarbon receptor (Ahr), a ligand-activated transcription factor, plays a pivotal role in regulating skeletal system. In order to better understand the role of Ahr in bone remodeling, we focused on bone remodeling characteristic, and the effects of Ahr on bone formation and differentiation, which suggest that Ahr is a critical control factor in the process of bone remodeling. Moreover, we discussed the impacts of Ahr on several signaling pathways related to bone remodeling, hoping to provide a theoretical basis to improve bone remodeling.
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Affiliation(s)
- Haitao Yu
- Department of Clincal Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China; The First Clinical College of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China.
| | - Lili Jiang
- School of Material Science and Technology, Lanzhou University of Technology, Langongping Road, Lanzhou 730050, Gansu Province, PR China
| | - Bo Wan
- The 3rd and 4th Department of Endocrinology and Metabolism, Lanzhou University Second Hospital, No. 82 Cuiyingmen, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Wei Zhang
- Cental Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Liqiong Yao
- Department of Clincal Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Tuanjie Che
- Gansu Key Laboratory of Functional Genomics and Molecular Diagnosis, East road no. 110 nanhe yantan, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Chao Gan
- Department of Clincal Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Na Su
- Department of Clincal Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Jinchun He
- Department of Clincal Laboratory, The First Hospital of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Jintian Huang
- The First Clinical College of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Kaiyun Zhang
- The First Clinical College of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
| | - Yiheng Zhang
- The First Clinical College of Lanzhou University, West Road No. 1 East Hills, Chengguan District, Lanzhou, 730000, Gansu Province, PR China
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Wu W, Liu H, Lou J, Yang Y, Rong X, Xu J. [Domestic artificial cervical disc interface pressure distribution and effect of bone-implant interface pressure on osseointegration]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2017; 31:443-450. [PMID: 29798610 DOI: 10.7507/1002-1892.201610121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective To analyze the distribution of stress in the upper and lower plates of the prosthesis-bone interface, and the effect of interface pressure on osseointegration. Methods CT scanning was performed on goats at 1 week after artificial cervical disc replacement to establish the finite element model of C 3, 4. The stress distribution of the upper and lower plates of the interface was observed. At 6 and 12 months after replacement, Micro-CT scan and three dimensional reconstruction were performed to measure the bone volume fraction (BVF), trabecular number (Tb. N), trabecular thickness (Tb. Th), trabecular separation (Tb. Sp), bone mineral density (BMD), bone surface/bone volume (BS/BV), and trabecular pattern factor (Tb. Pf). The C 3 lower plate and C 4 upper plate of 4 normal goat were chosen to made the cylinder of the diameter of 2 mm. The gene expressions of receptor activator for nuclear factor κB ligand (RANKL), osteoprotegerin (OPG), transforming growth factor β (TGF-β), and macrophage colony-stimulating factor (M-CSF) were detected by real time fluorescent quantitative PCR at immediate after cutting and at 24 and 48 hours after culture. The samples of appropriate culture time were selected to made mechanical loading, and the gene expressions of RANKL, OPG, M-CSF, and TGF-β were detected by real time fluorescent quantitative PCR; no mechanical loading samples were used as normal controls. Results Under 25 N axial loading, the stress of the upper plate of C 3, 4 was concentrated to post median region, and the stress of the lower plate to middle-front region and two orbits. According to stress, the plate was divided into 5 regions. The Micro-CT scan showed that BMD, Tb.Th, BVF, and Tb.N significantly increased, and BS/BV, Tb.Sp, and Tb.Pf significantly decreased at 12 months after replacement when compared with ones at 6 months ( P<0.05). At 24 and 48 hours after culture, the gene expressions of RANKL, OPG, and TGF-β were signifi-cantly higher than those at immediate ( P<0.05), but no significant difference was found between at 24 and 48 hours after culture ( P>0.05). The mechanical loading test results at 24 hours after culture showed that the RANKL and OPG gene expressions and OPG/RANKL ratio in C 3 lower plate and C 4 upper plate were significantly up-regulated when compared with controls ( P<0.05), but no significant difference was shown in TGF-β and M-CSF gene expressions ( P>0.05). Conclusion Domestic artificial cervical disc endplate has different pressure distribution, the stress of lower plate is higher than that of upper plate. Pressure has important effect on local osseointegration; the higher pressure area is, the osseointegration is better. Under the maximum pressure in interface, the osteoblast proliferation will increase, which is advantageous to the local osseointegration.
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Affiliation(s)
- Wenjie Wu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, 400038, P.R.China
| | - Hao Liu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041,
| | - Jigang Lou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Yunbei Yang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Xin Rong
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Jianzhong Xu
- Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, 400038, P.R.China
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