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Chen X, Zhang A, Zhao K, Gao H, Shi P, Chen Y, Cheng Z, Zhou W, Zhang Y. The role of oxidative stress in intervertebral disc degeneration: Mechanisms and therapeutic implications. Ageing Res Rev 2024; 98:102323. [PMID: 38734147 DOI: 10.1016/j.arr.2024.102323] [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: 01/12/2024] [Revised: 04/19/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024]
Abstract
Oxidative stress is one of the main driving mechanisms of intervertebral disc degeneration(IDD). Oxidative stress has been associated with inflammation in the intervertebral disc, cellular senescence, autophagy, and epigenetics of intervertebral disc cells. It and the above pathological mechanisms are closely linked through the common hub reactive oxygen species(ROS), and promote each other in the process of disc degeneration and promote the development of the disease. This reveals the important role of oxidative stress in the process of IDD, and the importance and great potential of IDD therapy targeting oxidative stress. The efficacy of traditional therapy is unstable or cannot be maintained. In recent years, due to the rise of materials science, many bioactive functional materials have been applied in the treatment of IDD, and through the combination with traditional drugs, satisfactory efficacy has been achieved. At present, the research review of antioxidant bioactive materials in the treatment of IDD is not complete. Based on the existing studies, the mechanism of oxidative stress in IDD and the common antioxidant therapy were summarized in this paper, and the strategies based on emerging bioactive materials were reviewed.
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Affiliation(s)
- Xianglong Chen
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Anran Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Kangcheng Zhao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Haiyang Gao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Pengzhi Shi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yuhang Chen
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhangrong Cheng
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenjuan Zhou
- Department of Operating Room, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yukun Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Tseng C, Liu SC, He XY, Chen HT, Hsiao PH, Fong YC, Tang CH. High glucose enhances fibrosis in human annulus fibrosus cells by activating mTOR, PKCδ, and NF-κB signaling pathways. Aging (Albany NY) 2024; 16:9460-9469. [PMID: 38814172 PMCID: PMC11210265 DOI: 10.18632/aging.205876] [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: 01/19/2024] [Accepted: 04/10/2024] [Indexed: 05/31/2024]
Abstract
Low back pain stands as a significant factor in disability, largely resulting from intervertebral disc degeneration (IVDD). High glucose (HG) levels have been implicated in the pathogenesis of IVDD. However, the detailed mechanism of HG in IVDD is largely unknown. Our clinical results revealed that fibrosis markers such as CTGF, Col1a1, ATF4, and EIF2 are highly expressed in advanced-stage IVDD patients. Stimulation of human annulus fibrosus cells (HAFCs) with HG, but not mannitol, promotes fibrosis protein production. Ingenuity Pathway Analysis in the GSE database found that the mTOR, PKCδ, and NF-κB pathways were significantly changed during IVDD. The mTOR, PKCδ, and NF-κB inhibitors or siRNAs all abolished HG-induced fibrosis protein production. In addition, treatment of HAFCs with HG enhances the activation of mTOR, PKCδ, and NF-κB pathways. Thus, HG facilitates fibrosis in IVDD through mTOR, PKCδ, and NF-κB pathways. These results underscore the critical role of HG as a fibrotic factor in the progression of IVDD.
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Affiliation(s)
- Chun Tseng
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yunlin, Taiwan
| | - Shan-Chi Liu
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan
| | - Xiu-Yuan He
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Hsien-Te Chen
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Pang-Hsuan Hsiao
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
| | - Yi-Chin Fong
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yunlin, Taiwan
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
- Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
- Department of Medical Laboratory Science and Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan
- Department of Medical Research, China Medical University Hsinchu Hospital, Hsinchu, Taiwan
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Sun Q, Liu F, Fang J, Lian Q, Hu Y, Nan X, Tian FM, Zhang G, Qi D, Zhang L, Zhang J, Luo Y, Zhang Z, Zhou Z. Strontium ranelate retards disc degradation and improves endplate and bone micro-architecture in ovariectomized rats with lumbar fusion induced - Adjacent segment disc degeneration. Bone Rep 2024; 20:101744. [PMID: 38404727 PMCID: PMC10884424 DOI: 10.1016/j.bonr.2024.101744] [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] [Received: 09/22/2023] [Revised: 02/02/2024] [Accepted: 02/12/2024] [Indexed: 02/27/2024] Open
Abstract
Objectives Adjacent segment disc degeneration (ASDD) is one of the long-term sequelae of spinal fusion, which is more susceptible with osteoporosis. As an anti-osteoporosis drug, strontium ranelate (SR) has been reported to not only regulate bone metabolism but also cartilage matrix formation. However, it is not yet clear whether SR has a reversal or delaying effect on fusion-induced ASDD in a model of osteoporosis. Materials and methods Fifth three-month-old female Sprague-Dawley rats that underwent L4-L5 posterolateral lumbar fusion (PLF) with spinous-process wire fixation 4 weeks after bilateral ovariectomy (OVX) surgery. Animals were administered vehicle (V) or SR (900 mg/kg/d) orally for 12 weeks post-PLF as follows: Sham+V, OVX + V, PLF + V, OVX + PLF + V, and OVX + PLF + SR. Manual palpation and X-ray were used to evaluate the state of lumbar fusion. Adjacent-segment disc was assessed by histological (VG staining and Scoring), histomorphometry (Disc Height, MVD, Calcification rate and Vascular Bud rate), immunohistochemical (Col-II, Aggrecan, MMP-13, ADAMTS-4 and Caspase-3), and mRNA analysis (Col-I, Col-II, Aggrecan, MMP-13 and ADAMTS-4). Adjacent L6 vertebrae microstructures were evaluated by microcomputed tomography. Results Manual palpation and radiographs showed clear evidence of the fused segment's immobility. After 12 weeks of PLF surgery, a fusion-induced ASDD model was established. Low bone mass caused by ovariectomy can significantly exacerbate ASDD progression. SR exerted a protective effect on adjacent segment intervertebral disc with the underlying mechanism possibly being associated with preserving bone mass to prevent spinal instability, maintaining the functional integrity of endplate vascular microstructure, and regulating matrix metabolism in the nucleus pulposus and annulus fibrosus. Discussion Anti-osteoporosis medication SR treatments not only maintain bone mass and prevent fractures, but early intervention could also potentially delay degenerative conditions linked to osteoporosis. Taken together, our results suggested that SR might be a promising approach for the intervention of fusion-induced ASDD with osteoporosis.
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Affiliation(s)
- Qi Sun
- Department of Orthopedic Surgery, The First Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Fang Liu
- Medical Research Center, North China University of Science and Technology, Tangshan, People's Republic of China
| | - Jiakang Fang
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, People's Republic of China
| | - Qiangqiang Lian
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, People's Republic of China
| | - Yunpeng Hu
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, People's Republic of China
| | - Xinyu Nan
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, People's Republic of China
| | - Fa-Ming Tian
- Medical Research Center, North China University of Science and Technology, Tangshan, People's Republic of China
| | - Guochuan Zhang
- Department of Musculoskeletal Oncology, The Third Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Dianwen Qi
- Department of Musculoskeletal Oncology, The Third Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Liu Zhang
- Department of Orthopedic Surgery, Emergency General Hospital, Beijing, People's Republic of China
| | - Jingwen Zhang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yang Luo
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Zuzhuo Zhang
- Department of Radiology, the Third Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Zhuang Zhou
- Department of Musculoskeletal Oncology, The Third Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
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Zhu C, Zhou Q, Wang Z, Zhang J, Xu C, Ruan D. Growth differentiation factor 5 inhibits lipopolysaccharide-mediated pyroptosis of nucleus pulposus mesenchymal stem cells via RhoA signaling pathway. Mol Biol Rep 2023; 50:6337-6347. [PMID: 37310547 DOI: 10.1007/s11033-023-08547-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/23/2023] [Indexed: 06/14/2023]
Abstract
BACKGROUND Degenerative disc disease(DDD)is one of the most important causes of low back pain (LBP). Programmed death of human nucleus pulposus mesenchymal stem cells (NPMSCs) plays an important role in the progression of DDD. Growth differentiation factor-5 (GDF-5) is a protein that promotes chondrogenic differentiation, and has been reported to slow the expression of inflammatory factors in nucleus pulposus cells. Compared with those in normal rats, MRI T2-weighted images show hypointense in the central nucleus pulposus region of the intervertebral disc in GDF-5 knockout rats. METHODS AND RESULTS We aimed to evaluate the role of GDF-5 and Ras homolog family member A (RhoA) in NPMSCs. We used lipopolysaccharide (LPS) to simulate the inflammatory environment in degenerative disc disease, and performed related experiments on the effects of GDF-5 on NPMSCs, including the effects of pyroptosis, RhoA protein, and the expression of extracellular matrix components, and the effects of GDF-5, on NPMSCs. In addition, the effect of GDF-5 on chondroid differentiation of NPMSCs was included. The results showed that the addition of GDF-5 inhibited the LPS-induced pyroptosis of NPMSCs, and further analysis of its mechanism showed that this was achieved by activating the RhoA signaling pathway. CONCLUSION These findings suggest that GDF-5 plays an important role in inhibiting the pyroptosis of NPMSCs and GDF-5 may have potential for degenerative disc disease gene-targeted therapy in the future.
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Affiliation(s)
- Chao Zhu
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China
| | - Qing Zhou
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China
- Department of Orthopedic Surgery, Navy Clinical College of Anhui Medical University, Beijing, 100048, China
| | - Zuqiang Wang
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China
| | - Junyou Zhang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China
| | - Cheng Xu
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China
| | - Dike Ruan
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, 100048, China.
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