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Cui SJ, Yang FJ, Wang XD, Mao ZB, Gu Y. Mechanical overload induces TMJ disc degeneration via TRPV4 activation. Oral Dis 2024; 30:1416-1428. [PMID: 37103670 DOI: 10.1111/odi.14595] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 03/07/2023] [Accepted: 04/13/2023] [Indexed: 04/28/2023]
Abstract
OBJECTIVE The temporomandibular joint (TMJ) disc cushions intraarticular stress during mandibular movements. While mechanical overloading is related to cartilage degeneration, the pathogenesis of TMJ disc degeneration is unclear. Here, we determined the regulatory role of mechanoinductive transient receptor potential vanilloid 4 (TRPV4) in mechanical overload-induced TMJ disc degeneration. METHODS We explored the effect of mechanical overload on the TMJ discs in a rat occlusal interference model in vivo, and by applying sustained compressive force in vitro. TRPV4 inhibition was delivered by small interfering RNA or GSK2193874; TRPV4 activation was delivered by GSK1016790A. The protective effect of TRPV4 inhibition was validated in the rat occlusal interference model. RESULTS Occlusal interference induced TMJ disc degeneration with enhanced extracellular matrix degradation in vivo and mechanical overload promoted inflammatory responses in the TMJ disc cells via Ca2+ influx with significantly upregulated TRPV4. TRPV4 inhibition reversed mechanical overload-induced inflammatory responses; TRPV4 activation simulated mechanical overload-induced inflammatory responses. Moreover, TRPV4 inhibition alleviated TMJ disc degeneration in the rat occlusal interference model. CONCLUSION Our findings suggest TRPV4 plays a pivotal role in the pathogenesis of mechanical overload-induced TMJ disc degeneration and may be a promising target for the treatment of degenerative changes of the TMJ disc.
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Affiliation(s)
- Sheng-Jie Cui
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Fu-Jia Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Xue-Dong Wang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Ze-Bin Mao
- Department of Biochemistry and Biophysics, Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, Peking University Health Science Center, Beijing, China
| | - Yan Gu
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
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Chung YH, Hu MH, Kao SC, Kao YH, Wang FH, Hsieh CY, Shen CI, Chuang CH, Chen DWC, Kuo CC, Su HL, Lin CL. Preclinical Animal Study and Pilot Clinical Trial of Using Enriched Peripheral Blood-Derived Mononuclear Cells for Intervertebral Disc Degeneration. Cell Transplant 2024; 33:9636897231219733. [PMID: 38173231 PMCID: PMC10768619 DOI: 10.1177/09636897231219733] [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: 07/01/2023] [Revised: 10/24/2023] [Accepted: 11/24/2023] [Indexed: 01/05/2024] Open
Abstract
Low back pain (LBP) is a leading cause of long-term disability globally. Intervertebral disk degeneration (IVDD) is mainly responsible for discogenic pain in LBP-affected young patients. There is no effective therapy to reverse disease severity and IVDD progression. This study investigates the effect of human peripheral blood-derived mononuclear cells (PBMCs) on pain relief and life quality improvement in IVDD patients. The enriched monocytes of the PBMCs could differentiate into CD14 and CD206 double-positive M2 macrophages in vitro. Preclinical evidence in rats showed that the transplanted PBMCs exhibited anti-inflammatory and moderate tissue-repair effects on controlling IVDD progress in the rat model. The PBMCs significantly steered the aggrecan and type II collagen expressions and attenuated the pro-inflammatory cytokines in the affected disk. Based on the animal results, 36 patients with chronic low back pain (CLBP) were included in clinical trials. The control group was conservative care only, and the experimental group was platelet-rich plasma (PRP) and PBMCs intradiscal injections. We first confirmed the single lumbar disk causing the discogenic pain by provocative discography or magnetic resonance imaging (MRI). Discogenic LBP participants received one intradiscal injection of autologous PBMCs and followed for 6 months. Our clinical trial showed that patients' LBP and disability were significantly ameliorated after the PBMCs transplantation rather than PRP. These preclinical and pilot clinical studies indicate that intradiscal injection of the enriched PBMCs might be a feasible and potential cell therapy to control pain and disability in IVDD patients.
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Affiliation(s)
- Yu-Hsuan Chung
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Ming-Hsien Hu
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- Bachelor’s Program of Design and Materials for Medical Equipment and Devices, College of Nursing and Health Sciences, Da-Yeh University, Changhua, Taiwan
- College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Shang-Chyi Kao
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Ying-Hsien Kao
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Fu-Hui Wang
- Duogenic StemCells Corporation, Taichung, Taiwan
| | | | - Ching-I Shen
- Duogenic StemCells Corporation, Taichung, Taiwan
| | - Chang-Han Chuang
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Dave Wei-Chih Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital-Keelung, Keelung, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chi-Chung Kuo
- Department of Neurology, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien, Taiwan
| | - Hong-Lin Su
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
- Duogenic StemCells Corporation, Taichung, Taiwan
| | - Chih-Lung Lin
- Department of Neurosurgery, Asia University Hospital, Taichung, Taiwan
- Department of Occupational Therapy, Asia University, Taichung, Taiwan
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Chuang CH, Kuo CC, Chiang YF, Lee PY, Wang FH, Hsieh CY, Shen CI, Chung YH, Lee KD, Wu SF, Su HL, Lin CL. Enriched Peripheral Blood-Derived Mononuclear Cells for Treating Knee Osteoarthritis. Cell Transplant 2023; 32:9636897221149445. [PMID: 36661223 PMCID: PMC9903009 DOI: 10.1177/09636897221149445] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Osteoarthritis (OA) is a common chronic skeletal disease in the elderly. There is no effective therapy to reverse disease severity and knee OA (KOA) progression, particularly at the late stage. This study aims to examine the effect of peripheral blood-derived mononuclear cells (PBMNCs) on pain and motor function rescue in patients with Kellgren-Lawrence (KL) grade II to IV KOA. Participants received one intra-articular (IA) injection of autologous PBMNCs. The mononuclear cells were isolated from peripheral blood, enriched by a specialized medium (MoFi medium), and separated by Ficoll-Paque solution. The isolated and enriched PBMNCs could differentiate into M1 and M2 macrophages in vitro. The in vivo anti-inflammatory effect of the PBMNCs was similar to that of bone marrow mesenchymal stem cells, evaluated by complete Freund's adjuvant-induced arthritis in rodents. A single-arm and open-label pilot study showed that patients' knee pain and motor dysfunction were significantly attenuated after the cell transplantation, assessed by visual analogue scale (VAS) and Knee injury and Osteoarthritis Outcome Score (KOOS) at 6 and 12 months post-treatment. Notably, the therapeutic effect of the PBMNCs treatment can be stably maintained for 24 months, as revealed by the KOOS scores. These preclinical and pilot clinical data suggest that IA injection of MoFi-PBMNCs might serve as a novel medical technology to control the pain and the progress of KOA.
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Affiliation(s)
- Chang-Han Chuang
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chi-Chung Kuo
- Department of Neurology, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien, Taiwan
| | - Yueh-Feng Chiang
- Department of Orthopedics, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung
| | - Pei-Yuan Lee
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
| | - Fu-Hui Wang
- DuoGenic StemCells Corporation, Taichung, Taiwan
| | | | - Ching-I Shen
- DuoGenic StemCells Corporation, Taichung, Taiwan
| | - Yu-Hsuan Chung
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Kuan-Der Lee
- Department of Medical Research and Cell Therapy and Regenerative Medicine Center, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Medicine and Center for Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan
| | - Shih-Fang Wu
- The Joint Program of Tissue Engineering and Regenerative Medicine, National Chung Hsing University, Taichung, Taiwan
- National Health Research Institutes, Taichung, Taiwan
| | - Hong-Lin Su
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Chih-Lung Lin
- Department of Neurosurgery, Asia University Hospital, Taichung, Taiwan
- Department of Occupational Therapy, Asia University, Taichung, Taiwan
- Chih-Lung Lin, Department of Neurosurgery, Asia University Hospital, 222 Fuxin Rd., Wufeng Dist., Taichung 413.
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