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Zhao R, Han F, Yu Q, Zhu Z, Tu Z, Xia T, Li B. A multifunctional scaffold that promotes the scaffold-tissue interface integration and rescues the ROS microenvironment for repair of annulus fibrosus defects. Bioact Mater 2024; 41:257-270. [PMID: 39149595 PMCID: PMC11325007 DOI: 10.1016/j.bioactmat.2024.03.007] [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: 10/17/2023] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 08/17/2024] Open
Abstract
Due to the limited self-repair ability of the annulus fibrosus (AF), current tissue engineering strategies tend to use structurally biomimetic scaffolds for AF defect repair. However, the poor integration between implanted scaffolds and tissue severely affects their therapeutic effects. To solve this issue, we prepared a multifunctional scaffold containing loaded lysyl oxidase (LOX) plasmid DNA exosomes and manganese dioxide nanoparticles (MnO2 NPs). LOX facilitates extracellular matrix (ECM) cross-linking, while MnO2 NPs inhibit excessive reactive oxygen species (ROS)-induced ECM degradation at the injury site, enhancing the crosslinking effect of LOX. Our results revealed that this multifunctional scaffold significantly facilitated the integration between the scaffold and AF tissue. Cells were able to migrate into the scaffold, indicating that the scaffold was not encapsulated as a foreign body by fibrous tissue. The functional scaffold was closely integrated with the tissue, effectively enhancing the mechanical properties, and preventing vascular invasion, which emphasized the importance of scaffold-tissue integration in AF repair.
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Affiliation(s)
- Runze Zhao
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
- Center of Translational Medicine and Clinical Laboratory, The Fourth Affiliated Hospital to Soochow University, Suzhou, 215028, China
| | - Feng Han
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
- Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210000, China
| | - Qifan Yu
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
| | - Zhuang Zhu
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
| | - Zhengdong Tu
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
- Second Department of Orthopaedics, Suzhou Kowloon Hospital, Shanghai Jiaotong University Medical School, Suzhou, 215127, China
| | - Tingting Xia
- Institute of Clinical Medicine Research, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215153, China
| | - Bin Li
- Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, MOE Key Laboratory of Geriatric Diseases and Immunology, School of Biology and Basic Medical Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, 215000, China
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Ekram S, Khalid S, Ramzan F, Salim A, Bashir I, Durrieu MC, Khan I. Mesenchymal Stem Cell-Derived Extracellular Vesicles Protect Rat Nucleus Pulposus Cells from Oxidative Stress. Cartilage 2024; 15:328-344. [PMID: 37139781 DOI: 10.1177/19476035231172154] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND Oxidative stress (OS) is mainly associated with the pathogenesis of intervertebral disc (IVD) degeneration; it causes nucleus pulposus cells (NPCs) to undergo senescence and triggers autophagy and apoptosis. This study aims to evaluate the regeneration potential of extracellular vesicles (EVs) derived from human umbilical cord-mesenchymal stem cells (hUC-MSCs) in an in vitro rat NPC-induced OS model. DESIGN NPCs were isolated from rat coccygeal discs, propagated, and characterized. OS was induced by hydrogen peroxide (H2O2), which is confirmed by 2,7-dichlorofluorescein diacetate (H2DCFDA) assay. EVs were isolated from hUC-MSCs and characterized by analyzing the vesicles using fluorescence microscope, scanning electron microscope (SEM), atomic force microscope (AFM), dynamic light scattering (DLS), and Western blot (WB). The in vitro effects of EVs on migration, uptake, and survival of NPCs were determined. RESULTS SEM and AFM topographic images revealed the size distribution of EVs. The phenotypes of isolated EVs showed that the size of EVs was 403.3 ± 85.94 nm, and the zeta potential was -0.270 ± 4.02 mV. Protein expression analysis showed that EVs were positive for CD81 and annexin V. Treatment of NPCs with EVs reduced H2O2-induced OS as evidenced by a decrease in reactive oxygen species (ROS) levels. Co-culture of NPCs with DiI-labeled EVs showed the cellular internalization of EVs. In the scratch assay, EVs significantly increased NPC proliferation and migration toward the scratched area. Quantitative polymerase chain reaction analysis showed that EVs significantly reduced the expression of OS genes. CONCLUSION EVs protected NPCs from H2O2-induced OS by reducing intracellular ROS generation and improved NPC proliferation and migration.
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Affiliation(s)
- Sobia Ekram
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Shumaila Khalid
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Faiza Ramzan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Asmat Salim
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Imtiaz Bashir
- University of Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, Pessac, France
| | | | - Irfan Khan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
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Xu H, Jiang Y, Wen Y, Liu Q, Du HG, Jin X. Identification of copper death-associated molecular clusters and immunological profiles for lumbar disc herniation based on the machine learning. Sci Rep 2024; 14:19294. [PMID: 39164344 PMCID: PMC11336120 DOI: 10.1038/s41598-024-69700-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 08/07/2024] [Indexed: 08/22/2024] Open
Abstract
Lumbar disc herniation (LDH) is a common clinical spinal disorder, yet its etiology remains unclear. We aimed to explore the role of cuproptosis-related genes (CRGs) and identify potential diagnostic biomarkers. Our analysis involved interrogating the GSE124272 and GSE150408 datasets for differential gene expression profiles associated with CRGs and immune characteristics. Molecular clustering was performed on LDH samples, followed by expression and immune infiltration analyses. Using the WGCNA algorithm, specific genes within CRG clusters were identified. After selecting the most predictive genes from the optimal model, four machine learning models were constructed and validated. This study identified nine CRGs associated with copper-regulated cell death. Two copper-containing molecular clusters linked to death were detected in LDH samples. Elevated expression and immune infiltration levels were found in LDH patients, particularly in CRG cluster C2. Utilizing XGB, five genes were identified for constructing a diagnostic model, achieving an area under the curve values of 0.715. In conclusion, this research provides valuable insights into the association between LDH and copper-regulated cell death, alongside proposing a promising predictive model.
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Affiliation(s)
- Haipeng Xu
- Department of Tuina, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310000, China
| | - Yaheng Jiang
- Department of Tuina, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310000, China
| | - Ya Wen
- Department of Tuina, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310000, China
| | - Qianqian Liu
- Respiratory Department, The First People's Hospital of Lanzhou, Lanzhou, Gansu, China
| | - Hong-Gen Du
- Department of Tuina, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310000, China.
| | - Xin Jin
- Department of Tuina, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310000, China.
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Mei Y, Wang L, Chen T, Song C, Cheng K, Cai W, Zhou D, Gao S, Jiang F, Liu S, Liu Z. Ferroptosis: A New Direction in the Treatment of Intervertebral Disc Degeneration. Cell Biochem Biophys 2024:10.1007/s12013-024-01468-6. [PMID: 39102089 DOI: 10.1007/s12013-024-01468-6] [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] [Accepted: 07/26/2024] [Indexed: 08/06/2024]
Abstract
Intervertebral disc degeneration (IVDD) is one of the most common musculoskeletal disorders in middle-aged and elderly people, and lower back pain (LBP) is the main clinical symptom [1, 2], which often causes significant pain and great economic burden to patients [3]. The current molecular mechanisms of IVDD include extracellular matrix degradation, cellular pyroptosis, apoptosis, necrotic apoptosis, senescence, and the newly discovered ferroptosis [4, 5], among which ferroptosis, as a new hot spot of research, has a non-negligible role in IVDD. Ferroptosis is an iron-dependent cell death caused by lipid peroxide accumulation [6]. Its main mechanism is cell death caused by lipid peroxidation by oxygen radicals due to iron overload and inhibition of pathways such as SLC7A11-GSH-GPX4. Currently, more and more studies have found a close relationship between IVDD and ferroptosis [7]. In the process of ferroptosis, the most important factors are abnormal iron metabolism, increased ROS, lipid peroxidation, and abnormal proteins such as GSH, GPX4, and system XC-. Our group has previously elucidated the pathogenesis of IVDD in terms of extracellular matrix degradation, myeloid cell senescence and pyroptosis, apoptosis, and inflammatory immunity. Therefore, this time, we will use ferroptosis as an entry point to discover the new mechanism of IVDD and provide guidance for clinical treatment.
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Affiliation(s)
- Yongliang Mei
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Liquan Wang
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Ting Chen
- Department of Critical Care Medicine, Luzhou maternal's and Children's Health Hospital, Luzhou, 646000, Sichuan, China
| | - Chao Song
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Kang Cheng
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Weiye Cai
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Daqian Zhou
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Silong Gao
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Feng Jiang
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Shigui Liu
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Zongchao Liu
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, Sichuan, China.
- The Third People's Hospital of Luzhou, Luzhou, 646000, Sichuan, China.
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Yue C, Wu Y, Xia Y, Xin T, Gong Y, Tao L, Shen C, Zhu Y, Shen M, Wang D, Shen J. Tbxt alleviates senescence and apoptosis of nucleus pulposus cells through Atg7-mediated autophagy activation during intervertebral disk degeneration. Am J Physiol Cell Physiol 2024; 327:C237-C253. [PMID: 38853649 DOI: 10.1152/ajpcell.00126.2024] [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: 02/21/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/11/2024]
Abstract
Intervertebral disk degeneration (IDD) is a significant cause of low back pain, characterized by excessive senescence and apoptosis of nucleus pulposus cells (NPCs). However, the precise mechanisms behind this senescence and apoptosis remain unclear. This study aimed to investigate the role of T-box transcription factor T (Tbxt) in IDD both in vitro and in vivo, using a hydrogen peroxide (H2O2)-induced NPCs senescence and apoptosis model, as well as a rat acupuncture IDD model. First, the expression of p16 and cleaved-caspase 3 significantly increased in degenerated human NPCs, accompanied by a decrease in Tbxt expression. Knockdown of Tbxt exacerbated senescence and apoptosis in the H2O2-induced NPCs degeneration model. Conversely, upregulation of Tbxt alleviated these effects induced by H2O2. Mechanistically, bioinformatic analysis revealed that the direct downstream target genes of Tbxt were highly enriched in autophagy-related pathways, and overexpression of Tbxt significantly activated autophagy in NPCs. Moreover, the administration of the autophagy inhibitor, 3-methyladenine, impeded the impact of Tbxt on the processes of senescence and apoptosis in NPCs. Further investigation revealed that Tbxt enhances autophagy by facilitating the transcription of ATG7 through its interaction with a specific motif within the promoter region. In conclusion, this study suggests that Tbxt mitigates H2O2-induced senescence and apoptosis of NPCs by activating ATG7-mediated autophagy.NEW & NOTEWORTHY This study investigates the role of Tbxt in IDD. The results demonstrate that knockdown of Tbxt exacerbates H2O2-induced senescence and apoptosis in NPCs and IDD, whereas upregulation of Tbxt significantly protects against IDD both in vivo and in vitro. Mechanistically, in the nucleus, Tbxt enhances the transcription of ATG7, leading to increased expression of ATG7 protein levels. This, in turn, promotes elevated autophagy levels, ultimately alleviating IDD.
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Affiliation(s)
- Caichun Yue
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Yinghui Wu
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Yanzhang Xia
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Tianwen Xin
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Yuhao Gong
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Linfeng Tao
- Department of Critical Care Medicine, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Cong Shen
- State Key Laboratory of Reproductive Medicine, Center for Reproduction and Genetics, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Yue Zhu
- Department of Breast and Thyroid Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Minghong Shen
- Department of Pathology, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Donglai Wang
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Jun Shen
- Department of Orthopedics Surgery, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou Municipal Hospital/The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
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Wang D, Lu K, Zou G, Wu D, Cheng Y, Sun Y. Attenuating intervertebral disc degeneration through spermidine-delivery nanoplatform based on polydopamine for persistent regulation of oxidative stress. Int J Biol Macromol 2024; 274:132881. [PMID: 38838900 DOI: 10.1016/j.ijbiomac.2024.132881] [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: 12/24/2023] [Revised: 05/20/2024] [Accepted: 06/02/2024] [Indexed: 06/07/2024]
Abstract
As one of the most widespread musculoskeletal diseases worldwide, intervertebral disc degeneration (IVDD) remains an intractable clinical problem. Currently, oxidative stress has been widely considered as a significant risk factor in the IVDD pathological changes, and targeting oxidative stress injury to improve the harsh microenvironment may provide a novel and promising strategy for disc repair. It is evident that spermidine (SPD) has the ability to attenuate oxidative stress across several disease models. However, limited research exists regarding its impact on oxidative stress within the intervertebral disc. Moreover, enhancing the local utilization rate of SPD holds great significance in IVDD management. This study aimed to develop an intelligent biodegradable mesoporous polydopamine (PDA) nanoplatform for sustained release of SPD. The obtained PDA nanoparticles with spherical morphology and mesoporous structure released loaded-therapeutic molecules under low pH and H2O2. Combined treatment with SPD loaded into PDA nanoparticles (SPD/PDA) resulted in better therapeutic potential than those with SPD alone on oxidative stress injury. Furthermore, both SPD and SPD/PDA could induce anti-inflammatory M2 macrophage polarization. Upon injection into degenerative IVDs, the SPD/PDA group achieved a good repair efficacy with a long-term therapeutic effect. These findings indicated that the synergized use of SPD with responsive drug delivery nanocarriers may steadily scavenge reactive oxygen species and provide an effective approach toward the treatment of IVDD.
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Affiliation(s)
- Dongliang Wang
- Department of Orthopedics, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; Department of Orthopedics, Yancheng First People's Hospital of Jiangsu Province, Yancheng, Jiangsu, China
| | - Kun Lu
- Department of Orthopedics, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; Department of Orthopedics, Yancheng First People's Hospital of Jiangsu Province, Yancheng, Jiangsu, China
| | - Guoyou Zou
- Department of Orthopedics, Yancheng First People's Hospital of Jiangsu Province, Yancheng, Jiangsu, China
| | - Duanrong Wu
- Department of Orthopedics, Yancheng First People's Hospital of Jiangsu Province, Yancheng, Jiangsu, China
| | - Yi Cheng
- Department of Orthopedics, Yancheng First People's Hospital of Jiangsu Province, Yancheng, Jiangsu, China
| | - Yongming Sun
- Department of Orthopedics, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
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Deng W, Chen J, Wang X, Wang Q, Zhao L, Zhu Y, Yan J, Zheng Y. Paravertebrally-Injected Multifunctional Hydrogel for Sustained Anti-Inflammation and Pain Relief in Lumbar Disc Herniation. Adv Healthc Mater 2024:e2401227. [PMID: 38979866 DOI: 10.1002/adhm.202401227] [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: 04/02/2024] [Revised: 06/25/2024] [Indexed: 07/10/2024]
Abstract
Pain caused by lumbar disc herniation (LDH) severely compromises patients' quality of life. The combination of steroid and local anesthetics is routinely employed in clinics to alleviate LDH-induced pain. However, the approach only mediates transient efficacy and requires repeated and invasive lumbar epidural injections. Here a paravertebrally-injected multifunctional hydrogel that can efficiently co-load and controlled release glucocorticoid betamethasone and anesthetics ropivacaine for sustained anti-inflammation, reactive oxygen species (ROS)-removal and pain relief in LDH is presented. Betamethasone is conjugated to hyaluronic acid (HA) via ROS-responsive crosslinker to form amphiphilic polymer that self-assemble into particles with ropivacaine loaded into the core. Solution of drug-loaded particles and thermo-sensitive polymer rapidly forms therapeutic hydrogel in situ upon injection next to the herniated disc, thus avoiding invasive epidural injection. In a rat model of LDH, multifunctional hydrogel maintains the local drug concentration 72 times longer than free drugs and more effectively inhibits the expression of pro-inflammatory cytokines and pain-related molecules including cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2). Therapeutic hydrogel suppresses the LDH-induced pain in rats for 12 days while the equivalent dose of free drugs is only effective for 3 days. This platform is also applicable to ameliorate pain caused by other spine-related diseases.
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Affiliation(s)
- Wenhao Deng
- College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, 215123, P. R. China
| | - Jianpeng Chen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, 1055 San-Xiang Road, Suzhou, 215004, P. R. China
| | - Xinli Wang
- College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, 215123, P. R. China
| | - Qianliang Wang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, 1055 San-Xiang Road, Suzhou, 215004, P. R. China
| | - Lei Zhao
- College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, 215123, P. R. China
| | - Yuzheng Zhu
- College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, 215123, P. R. China
| | - Jun Yan
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, 1055 San-Xiang Road, Suzhou, 215004, P. R. China
| | - Yiran Zheng
- College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, 215123, P. R. China
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8
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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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9
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Tu H, Gao Q, Zhou Y, Peng L, Wu D, Zhang D, Yang J. The role of sirtuins in intervertebral disc degeneration: Mechanisms and therapeutic potential. J Cell Physiol 2024. [PMID: 38922861 DOI: 10.1002/jcp.31328] [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: 12/17/2023] [Revised: 04/27/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024]
Abstract
Intervertebral disc degeneration (IDD) is one of the main causes of low back pain, which affects the patients' quality of life and health and imposes a significant socioeconomic burden. Despite great efforts made by researchers to understand the pathogenesis of IDD, effective strategies for preventing and treating this disease remain very limited. Sirtuins are a highly conserved family of (NAD+)-dependent deacetylases in mammals that are involved in a variety of metabolic processes in vivo. In recent years, sirtuins have attracted much attention owing to their regulatory roles in IDD on physiological activities such as inflammation, apoptosis, autophagy, aging, oxidative stress, and mitochondrial function. At the same time, many studies have explored the therapeutic effects of sirtuins-targeting activators or micro-RNA in IDD. This review summarizes the molecular pathways of sirtuins involved in IDD, and summarizes the therapeutic role of activators or micro-RNA targeting Sirtuins in IDD, as well as the current limitations and challenges, with a view to provide possible solutions for the treatment of IDD.
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Affiliation(s)
- Heng Tu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Qian Gao
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yumeng Zhou
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Li Peng
- Key Laboratory of Bio-Resource & Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, China
| | - Dan Wu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Demao Zhang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Jing Yang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Li Z, Tang Y, Wang L, Wang K, Huang S, Chen Y. Tetrahedral framework nucleic acids-based delivery of microRNA-155 alleviates intervertebral disc degeneration through targeting Bcl-2/Bax apoptosis pathway. Cell Prolif 2024:e13689. [PMID: 38899529 DOI: 10.1111/cpr.13689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 05/22/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Intervertebral disc degeneration (IDD) is one of the most common causes of chronic low back pain, which does great harm to patients' life quality. At present, the existing treatment options are mostly aimed at relieving symptoms, but the long-term efficacy is not ideal. Tetrahedral framework nucleic acids (tFNAs) are regarded as a type of nanomaterial with excellent biosafety and prominent performance in anti-apoptosis and anti-inflammation. MicroRNA155 is a non-coding RNA involved in various biological processes such as cell proliferation and apoptosis. In this study, a complex named TR155 was designed and synthesised with microRNA155 attached to the vertex of tFNAs, and its effects on the nucleus pulposus cells of intervertebral discs were evaluated both in vitro and in vivo. The experimental results showed that TR155 was able to alleviate the degeneration of intervertebral disc tissue and inhibit nucleus pulposus cell apoptosis via Bcl-2/Bax pathway, indicating its potential to be a promising option for the treatment of IDD.
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Affiliation(s)
- Zhuhai Li
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
- Department of Spine Surgery, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Yuanlin Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lihang Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
- Department of Spine Surgery, Beijing Jishuitan Hospital Guizhou Hospital, Guiyang, China
| | - Kai Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Shishu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Yu Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Tang J, Luo Y, Wang Q, Wu J, Wei Y. Stimuli-Responsive Delivery Systems for Intervertebral Disc Degeneration. Int J Nanomedicine 2024; 19:4735-4757. [PMID: 38813390 PMCID: PMC11135562 DOI: 10.2147/ijn.s463939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024] Open
Abstract
As a major cause of low back pain, intervertebral disc degeneration is an increasingly prevalent chronic disease worldwide that leads to huge annual financial losses. The intervertebral disc consists of the inner nucleus pulposus, outer annulus fibrosus, and sandwiched cartilage endplates. All these factors collectively participate in maintaining the structure and physiological functions of the disc. During the unavoidable degeneration stage, the degenerated discs are surrounded by a harsh microenvironment characterized by acidic, oxidative, inflammatory, and chaotic cytokine expression. Loss of stem cell markers, imbalance of the extracellular matrix, increase in inflammation, sensory hyperinnervation, and vascularization have been considered as the reasons for the progression of intervertebral disc degeneration. The current treatment approaches include conservative therapy and surgery, both of which have drawbacks. Novel stimuli-responsive delivery systems are more promising future therapeutic options than traditional treatments. By combining bioactive agents with specially designed hydrogels, scaffolds, microspheres, and nanoparticles, novel stimuli-responsive delivery systems can realize the targeted and sustained release of drugs, which can both reduce systematic adverse effects and maximize therapeutic efficacy. Trigger factors are categorized into internal (pH, reactive oxygen species, enzymes, etc.) and external stimuli (photo, ultrasound, magnetic, etc.) based on their intrinsic properties. This review systematically summarizes novel stimuli-responsive delivery systems for intervertebral disc degeneration, shedding new light on intervertebral disc therapy.
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Affiliation(s)
- Jianing Tang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
- First Clinic School, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Yuexin Luo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
- First Clinic School, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Qirui Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
- First Clinic School, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Juntao Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
- First Clinic School, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Yulong Wei
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
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Chen E, Li M, Liao Z, Yao D, Li Y, Huang L. Phillyrin reduces ROS production to alleviate the progression of intervertebral disc degeneration by inhibiting NF-κB pathway. J Orthop Surg Res 2024; 19:308. [PMID: 38773639 PMCID: PMC11110443 DOI: 10.1186/s13018-024-04695-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/22/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND Intervertebral disc degeneration (IDD) is an increasingly important cause of low back pain (LBP) that results in substantial health and economic burdens. Inflammatory pathway activation and the production of reactive oxygen species (ROS) play vital roles in the progression of IDD. Several studies have suggested that phillyrin has a protective role and inhibits inflammation and the production of ROS. However, the role of phillyrin in IDD has not been confirmed. PURPOSE The purpose of this study was to investigate the role of phillyrin in IDD and its mechanisms. STUDY DESIGN To establish IDD models in vivo, ex-vivo, and in vitro to verify the function of phillyrin in IDD. METHOD The effects of phillyrin on extracellular matrix (ECM) degeneration, inflammation, and oxidation in nucleus pulposus (NP) cells were assessed using immunoblotting and immunofluorescence analysis. Additionally, the impact of phillyrin administration on acupuncture-mediated intervertebral disc degeneration (IDD) in rats was evaluated using various techniques such as MRI, HE staining, S-O staining, and immunohistochemistry (IHC). RESULT Pretreatment with phillyrin significantly inhibited the IL-1β-mediated reduction in the degeneration of ECM and apoptosis by alleviating activation of the NF-κB inflammatory pathway and the generation of ROS. In addition, in vivo and ex-vivo experiments verified the protective effect of phillyrin against IDD. CONCLUSION Phillyrin can attenuate the progression of IDD by reducing ROS production and activating inflammatory pathways.
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Affiliation(s)
- Enming Chen
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Ming Li
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Zhuangyao Liao
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Dengbo Yao
- Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Sun Yat- sen University, Shenzhen, China
| | - Yuxi Li
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Lin Huang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yanjiang West Road, Guangzhou, 510120, China.
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Xia Q, Zhao Y, Dong H, Mao Q, Zhu L, Xia J, Weng Z, Liao W, Hu Z, Yi J, Feng S, Jiang Y, Xin Z. Progress in the study of molecular mechanisms of intervertebral disc degeneration. Biomed Pharmacother 2024; 174:116593. [PMID: 38626521 DOI: 10.1016/j.biopha.2024.116593] [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: 02/03/2024] [Revised: 04/01/2024] [Accepted: 04/10/2024] [Indexed: 04/18/2024] Open
Abstract
Degenerative intervertebral disc disease (IVDD) is one of the main spinal surgery, conditions, which markedly increases the incidence of low back pain and deteriorates the patient's quality of life, and it imposes significant social and economic burdens. The molecular pathology of IVDD is highly complex and multilateral however still not ompletely understood. New findings indicate that IVDD is closely associated with inflammation, oxidative stress, cell injury and extracellular matrix metabolismdysregulation. Symptomatic management is the main therapeutic approach adopted for IVDD, but it fails to address the basic pathological changes and the causes of the disease. However, research is still focusing on molecular aspects in terms of gene expression, growth factors and cell signaling pathways in an attempt to identify specific molecular targets for IVDD treatment. The paper summarizes the most recent achievements in molecularunderstanding of the pathogenesis of IVDD and gives evidence-based recommendations for clinical practice.
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Affiliation(s)
- Qiuqiu Xia
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Yan Zhao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Huaize Dong
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Qiming Mao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Lu Zhu
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Jiyue Xia
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Zijing Weng
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Wenbo Liao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China
| | - Zongyue Hu
- Department of Pain Rehabilitation, Affiliated Sinopharm Gezhouba Central Hospital, Third Clinical Medical College of Three Gorges University, Yichang, Hubei Province 443003, China
| | - Jiangbi Yi
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Shuai Feng
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Youhong Jiang
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; First School of Clinical Medicine, Zun yi Medical University, Zunyi 563000, China
| | - Zhijun Xin
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi Guizhou 563000, China; Institut Curie, PSL Research University, CNRS UMR3244, Dynamics of Genetic Information, Sorbonne Université, Paris 75005, France.
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Gao T, Xu G, Ma T, Lu X, Chen K, Luo H, Chen G, Song J, Ma X, Fu W, Zheng C, Xia X, Jiang J. ROS-Responsive Injectable Hydrogel Loaded with SLC7A11-modRNA Inhibits Ferroptosis and Mitigates Intervertebral Disc Degeneration in Rats. Adv Healthc Mater 2024:e2401103. [PMID: 38691848 DOI: 10.1002/adhm.202401103] [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: 03/26/2024] [Revised: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Intervertebral disc degeneration (IVDD) is the primary cause of low back pain, with oxidative stress being a recognized factor that causes its development. Presently, low back pain imposes a significant global economic burden. However, the effectiveness of treatments for IVDD remains extremely limited. Therefore, this study aims to explore innovative and effective IVDD treatments by focusing on oxidative stress as a starting point. In this study, an injectable reactive oxygen species-responsive hydrogel (PVA-tsPBA@SLC7A11 modRNA) is developed, designed to achieve rapid loading and selective release of chemically synthesized modified mRNA (modRNA). SLC7A11 modRNA is specifically used to upregulate the expression of the ferroptosis marker SLC7A11. The local injection of PVA-tsPBA@SLC7A11 modRNA into the degenerated intervertebral disc (IVD) results in the cleavage of PVA-tsPBA, leading to the release of enclosed SLC7A11 modRNA. The extent of SLC7A11 modRNA release is directly proportional to the severity of IVDD, ultimately ameliorating IVDD by inhibiting ferroptosis in nucleus pulposus cells (NPCs). This study proposes an innovative system of PVA-tsPBA hydrogel-encapsulated modRNA, representing a potential novel treatment strategy for patients with early-stage IVDD.
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Affiliation(s)
- Tian Gao
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Guangyu Xu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Tiancong Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Xiao Lu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Kaiwen Chen
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Huanhuan Luo
- Department of Orthopaedics, The Second Hospital of Jiaxing, Jiaxing, Zhejiang Province, 314000, P. R. China
| | - Gang Chen
- Department of Orthopaedics, The Second Hospital of Jiaxing, Jiaxing, Zhejiang Province, 314000, P. R. China
| | - Jian Song
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Xiaosheng Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Wei Fu
- Institute of Pediatric Translational Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, P. R. China
| | - Chaojun Zheng
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Xinlei Xia
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
| | - Jianyuan Jiang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
- Fudan University, Shanghai, 200082, P. R. China
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Tamagawa S, Sakai D, Nojiri H, Nakamura Y, Warita T, Matsushita E, Schol J, Soma H, Ogasawara S, Munesada D, Koike M, Shimizu T, Sato M, Ishijima M, Watanabe M. SOD2 orchestrates redox homeostasis in intervertebral discs: A novel insight into oxidative stress-mediated degeneration and therapeutic potential. Redox Biol 2024; 71:103091. [PMID: 38412803 PMCID: PMC10907854 DOI: 10.1016/j.redox.2024.103091] [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: 01/26/2024] [Accepted: 02/14/2024] [Indexed: 02/29/2024] Open
Abstract
Low back pain (LBP) is a pervasive global health concern, primarily associated with intervertebral disc (IVD) degeneration. Although oxidative stress has been shown to contribute to IVD degeneration, the underlying mechanisms remain undetermined. This study aimed to unravel the role of superoxide dismutase 2 (SOD2) in IVD pathogenesis and target oxidative stress to limit IVD degeneration. SOD2 demonstrated a dynamic regulation in surgically excised human IVD tissues, with initial upregulation in moderate degeneration and downregulation in severely degenerated IVDs. Through a comprehensive set of in vitro and in vivo experiments, we found a suggestive association between excessive mitochondrial superoxide, cellular senescence, and matrix degradation in human and mouse IVD cells. We confirmed that aging and mechanical stress, established triggers for IVD degeneration, escalated mitochondrial superoxide levels in mouse models. Critically, chondrocyte-specific Sod2 deficiency accelerated age-related and mechanical stress-induced disc degeneration in mice, and could be attenuated by β-nicotinamide mononucleotide treatment. These revelations underscore the central role of SOD2 in IVD redox balance and unveil potential therapeutic avenues, making SOD2 and mitochondrial superoxide promising targets for effective LBP interventions.
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Affiliation(s)
- Shota Tamagawa
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan; Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan.
| | - Hidetoshi Nojiri
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yoshihiko Nakamura
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Takayuki Warita
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Erika Matsushita
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Jordy Schol
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Hazuki Soma
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Shota Ogasawara
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Daiki Munesada
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Masato Koike
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Takahiko Shimizu
- Aging Stress Response Research Project Team, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Masato Sato
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
| | - Muneaki Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Masahiko Watanabe
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
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Shi Y, Bu W, Chu D, Lin W, Li K, Huang X, Wang X, Wu Y, Wu S, Li D, Xu Z, Cao Z, Chen H, Wang H. Rescuing Nucleus Pulposus Cells from ROS Toxic Microenvironment via Mitochondria-Targeted Carbon Dot-Supported Prussian Blue to Alleviate Intervertebral Disc Degeneration. Adv Healthc Mater 2024; 13:e2303206. [PMID: 38224563 DOI: 10.1002/adhm.202303206] [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: 09/21/2023] [Revised: 12/19/2023] [Indexed: 01/17/2024]
Abstract
Intervertebral disc degeneration (IVDD) is invariably accompanied by excessive accumulation of reactive oxygen species (ROS), resulting in progressive deterioration of mitochondrial function and senescence in nucleus pulposus cells (NPCs). Significantly, the main ROS production site in non-immune cells is mitochondria, suggesting mitochondria is a feasible therapeutic target to reverse IVDD. Triphenylphosphine (TPP), which is known as mitochondrial-tropic ligands, is utilized to modify carbon dot-supported Prussian blue (CD-PB) to scavenge superfluous intro-cellular ROS and maintain NPCs at normal redox levels. CD-PB-TPP can effectively escape from lysosomal phagocytosis, permitting efficient mitochondrial targeting. After strikingly lessening the ROS in mitochondria via exerting antioxidant enzyme-like activities, such as superoxide dismutase, and catalase, CD-PB-TPP rescues damaged mitochondrial function and NPCs from senescence, catabolism, and inflammatory reaction in vitro. Imaging evaluation and tissue morphology assessment in vivo suggest that disc height index, mean grey values of nucleus pulposus tissue, and histological morphology are significantly improved in the IVDD model after CD-PB-TPP is locally performed. In conclusion, this study demonstrates that ROS-induced mitochondrial dysfunction and senescence of NPCs leads to IVDD and the CD-PB-TPP possesses enormous potential to rescue this pathological process through efficient removal of ROS via targeting mitochondria, supplying a neoteric strategy for IVDD treatment.
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Affiliation(s)
- Yu Shi
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, P. R. China
| | - Wenzhen Bu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Dongchuan Chu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Wenzheng Lin
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Ke Li
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Xueping Huang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Xinglong Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Yin Wu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Shang Wu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
| | - Dandan Li
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Zhuobin Xu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Zhipeng Cao
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Gushi Maternal and Child Health Hospital, Xinyang, 465200, P. R. China
| | - Hao Chen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225012, P. R. China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, P. R. China
| | - Huihui Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, P. R. China
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Li C, Zhang Y, Deng Y, Chen Y, Wu C, Zhao X, Chen X, Wang X, Zhou Y, Zhang X, Tian N. Fisetin suppresses ferroptosis through Nrf2 and attenuates intervertebral disc degeneration in rats. Eur J Pharmacol 2024; 964:176298. [PMID: 38145645 DOI: 10.1016/j.ejphar.2023.176298] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Low back pain, primarily caused by intervertebral disc degeneration (IVDD), lacks effective pharmacological treatments. Oxidative stress has been identified as a significant contributor to IVDD. This study aims to establish an in vitro model of IVDD induced by oxidative stress and identify potential therapeutic agents and their underlying mechanisms. By screening the natural product library, fisetin emerged as the most promising compound in suppressing cell death induced by oxidative stress in nucleus pulposus cells (NPCs). Furthermore, our investigation revealed that the cell death induced by oxidative stress was predominantly associated with ferroptosis, and fisetin demonstrated the ability to inhibit ferroptosis in NPCs. Mechanistic exploration suggested that the impact of fisetin on ferroptosis may be mediated through the Nrf2/HO-1 (Nuclear factor erythroid 2-related factor 2/heme oxygenase-1) axis. Notably, the in vivo study demonstrated that fisetin could alleviate IVDD in rats. These findings highlight fisetin as a potential therapeutic option for IVDD and implicate the involvement of the Nrf2/HO-1 pathway in its mechanism of action.
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Affiliation(s)
- Chenchao Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Yekai Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Yuxin Deng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Yu Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Chenyu Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Xiaoying Zhao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Ximiao Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China; Chinese Orthopaedic Regenerative Medicine Society, Hangzhou, 310000, Zhejiang Province, China
| | - Yifei Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China; Chinese Orthopaedic Regenerative Medicine Society, Hangzhou, 310000, Zhejiang Province, China
| | - Xiaolei Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China; Chinese Orthopaedic Regenerative Medicine Society, Hangzhou, 310000, Zhejiang Province, China.
| | - Naifeng Tian
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325088, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325035, Zhejiang Province, China; Chinese Orthopaedic Regenerative Medicine Society, Hangzhou, 310000, Zhejiang Province, China.
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Hu T, Shi Z, Sun Y, Hu F, Rong Y, Wang J, Wang L, Xu W, Zhang F, Zhang WZ. SEPHS1 attenuates intervertebral disc degeneration by delaying nucleus pulposus cell senescence through the Hippo-Yap/Taz pathway. Am J Physiol Cell Physiol 2024; 326:C386-C399. [PMID: 38105759 DOI: 10.1152/ajpcell.00571.2023] [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: 10/30/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
Nucleus pulposus cell (NPC) senescence is a major cause of intervertebral disc degeneration (IVDD). Oxidative stress and reactive oxygen species (ROS) play critical roles in regulating cell senescence. Selenophosphate synthetase 1 (SEPHS1) was reported to play an important role in mitigating oxidative stress in an osteoarthritis (OA) model by reducing the production of ROS, thereby, delaying the occurrence and development of osteoarthritis. In this study, we explored the, hitherto unknown, role of SEPHS1 in IVDD in vitro and in vivo using an interleukin-1β (IL-1β)-induced NPC senescence model and a rat needle puncture IVDD model, respectively. SEPHS1 delayed NPC senescence in vitro by reducing ROS production. Age-related dysfunction was also ameliorated by the overexpression of SEPHS1 and inhibition of the Hippo-Yap/Taz signaling pathway. In vivo experiments revealed that the overexpression of SEPHS1 and inhibition of Hippo-Yap/Taz alleviated IVDD in rats. Moreover, a selenium (Se)-deficient diet and lack of SEPHS1 synergistically aggravated IVDD progression. Taken together, our results demonstrate that SEPHS1 plays a significant role in NPC senescence. Overexpression of SEPHS1 and inhibition of Hippo-Yap/Taz can delay NPC senescence, restore the balance of extracellular matrix metabolism, and attenuate IVDD. SEPHS1 could be a promising therapeutic target for IVDD.NEW & NOTEWORTHY Selenophosphate synthetase 1 (SEPHS1) deficiency leads to an increase in reactive oxygen species levels and in the subsequent activation of the Hippo-Yap/Taz signaling pathway. In the rat model of intervertebral disc degeneration (IVDD), overexpression of SEPHS1 and inhibition of Hippo-YAP/Taz mitigated the progression of disc degeneration indicating the involvement of SEPHS1 in IVDD. SEPHS1 is a promising therapeutic target for IVDD.
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Affiliation(s)
- Tao Hu
- Department of Orthopedics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, People's Republic of China
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Zhongming Shi
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Yongjin Sun
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Feng Hu
- Department of Orthopedics, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, People's Republic of China
| | - Yuluo Rong
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Jia Wang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Liang Wang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Wenbin Xu
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Feng Zhang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Wen-Zhi Zhang
- Department of Orthopedics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, People's Republic of China
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19
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Zhang X, Zhang Z, Zou X, Wang Y, Qi J, Han S, Xin J, Zheng Z, Wei L, Zhang T, Zhang S. Unraveling the mechanisms of intervertebral disc degeneration: an exploration of the p38 MAPK signaling pathway. Front Cell Dev Biol 2024; 11:1324561. [PMID: 38313000 PMCID: PMC10834758 DOI: 10.3389/fcell.2023.1324561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/28/2023] [Indexed: 02/06/2024] Open
Abstract
Intervertebral disc (IVD) degeneration (IDD) is a worldwide spinal degenerative disease. Low back pain (LBP) is frequently caused by a variety of conditions brought on by IDD, including IVD herniation and spinal stenosis, etc. These conditions bring substantial physical and psychological pressure and economic burden to patients. IDD is closely tied with the structural or functional changes of the IVD tissue and can be caused by various complex factors like senescence, genetics, and trauma. The IVD dysfunction and structural changes can result from extracellular matrix (ECM) degradation, differentiation, inflammation, oxidative stress, mechanical stress, and senescence of IVD cells. At present, the treatment of IDD is basically to alleviate the symptoms, but not from the pathophysiological changes of IVD. Interestingly, the p38 mitogen-activated protein kinase (p38 MAPK) signaling pathway is involved in many processes of IDD, including inflammation, ECM degradation, apoptosis, senescence, proliferation, oxidative stress, and autophagy. These activities in degenerated IVD tissue are closely relevant to the development trend of IDD. Hence, the p38 MAPK signaling pathway may be a fitting curative target for IDD. In order to better understand the pathophysiological alterations of the intervertebral disc tissue during IDD and offer potential paths for targeted treatments for intervertebral disc degeneration, this article reviews the purpose of the p38 MAPK signaling pathway in IDD.
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Affiliation(s)
- Xingmin Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Zilin Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Xiaosong Zou
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Yongjie Wang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Jinwei Qi
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Song Han
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Jingguo Xin
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Zhi Zheng
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Lin Wei
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Tianhui Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
| | - Shaokun Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
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20
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Feng C, Yao J, Xie Y, Yang F, Fan X. Association between different composite dietary antioxidant indexes and low back pain in American women adults: a cross-sectional study from NHANES. BMC Public Health 2024; 24:147. [PMID: 38200420 PMCID: PMC10782773 DOI: 10.1186/s12889-024-17649-0] [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: 08/24/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Low back pain is the leading cause of productivity loss, imposes a significant economic burden on the patients and society. Oxidative stress is considered a critical factor in the complex pathophysiological process and pathogenic mechanism of low back pain. Adjustment dietary pattern can effectively increase antioxidant biomarkers levels within the body to reduce oxidative stress. The composite dietary antioxidant index (CDAI) serves a reliable scoring system for quantifying the potential dietary antioxidant capacity of daily diets. OBJECTIVE We aim to investigate the potential association between CDAI and low back pain, in order to enhance the management of low back pain through dietary guidance. METHODS This study included 17,682 participants from the National Health and Nutrition Examination Survey (NHANES) 1999-2000, 2001-2002, 2003-2004 and 2009-2010. The weighted logistic regression model was used to investigate the association between CDAI and low back pain, while restricted cubic spline (RCS) was employed to examine non-linear trend and cutoffs. RESULTS After adjusting for all confounders, the results showed that there was no significant association between CDAI and low back pain. However, individuals in the highest quartile of CDAI exhibited an 11.7% less likelihood of experiencing a low back pain than those in the lowest quartile (OR = 0.883; 95% CI [0.787,0.991], P = 0.034), and the trend test was also significant (P for trend < 0.001). RCS indicated a linear relationship between CDAI and low back pain (P for non-linear = 0.876). Gender subgroup analysis showed that this negative association was significant in the female population (OR = 0.983; 95% CI [0.968, 0.998], P = 0.027), and females in the highest quartile of CDAI were 19.7% less likely to suffer low back pain than those in the lowest quartile (OR = 0.803; 95% CI [0.682,0.945], P = 0.008). Additionally, the changes in zinc (OR = 1.009; 95% CI [1.002, 1.016], P = 0.015) and selenium (OR = 0.379; 95% CI [0.164, 0.875], P = 0.023) per milligram were independently associated with low back pain. CONCLUSION The fully adjusted model showed no significant association between CDAI and low back pain, but it was significant in quartiles. Meanwhile, subgroup analysis by gender revealed a negative association between CDAI and low back pain in the female population. Additionally, the findings of this study also suggested that the antioxidant diets should be studied in a dietary pattern context.
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Affiliation(s)
- Chaoqun Feng
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, P. R. China
| | - Junjie Yao
- College of Acupuncture and Tuina, Changchun University of Chinese Medicine, 130117, Changchun, Jilin, P.R. China
| | - Yizhou Xie
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, P. R. China
| | - Fei Yang
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, P. R. China.
| | - Xiaohong Fan
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, 610075, Chengdu, P. R. China.
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Montgomery-Song A, Ashraf S, Santerre P, Kandel R. Senescent response in inner annulus fibrosus cells in response to TNFα, H2O2, and TNFα-induced nucleus pulposus senescent secretome. PLoS One 2024; 19:e0280101. [PMID: 38181003 PMCID: PMC10769024 DOI: 10.1371/journal.pone.0280101] [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: 12/20/2022] [Accepted: 11/01/2023] [Indexed: 01/07/2024] Open
Abstract
Senescence, particularly in the nucleus pulposus (NP) cells, has been implicated in the pathogenesis of disc degeneration, however, the mechanism(s) of annulus fibrosus (AF) cell senescence is still not well understood. Both TNFα and H2O2, have been implicated as contributors to the senescence pathways, and their levels are increased in degenerated discs when compared to healthy discs. Thus, the objective of this study is to identify factor(s) that induces inner AF (iAF) cell senescence. Under TNFα exposure, at a concentration previously shown to induce senescence in NP cells, bovine iAF cells did not undergo senescence, indicated by their ability to continue to proliferate as demonstrated by Ki67 staining and growth curves and lack of expression of the senescent markers, p16 and p21. The lack of senescent response occurred even though iAF express higher levels of TNFR1 than NP cells. Interestingly, iAF cells showed no increase in intracellular ROS or secreted H2O2 in response to TNFα which contrasted to NP cells that did. Following TNFα treatment, only iAF cells had increased expression of the superoxide scavengers SOD1 and SOD2 whereas NP cells had increased NOX4 gene expression, an enzyme that can generate H2O2. Treating iAF cells with low dose H2O2 (50 μM) induced senescence, however unlike TNFα, H2O2 did not induce degenerative-like changes as there was no difference in COL2, ACAN, MMP13, or IL6 gene expression or number of COL2 and ACAN immunopositive cells compared to untreated controls. The latter result suggests that iAF cells may have distinct degenerative and senescent phenotypes. To evaluate paracrine signalling by senescent NP cells, iAF and TNFα-treated NP cells were co-cultured. In contact co-culture the NP cells induced iAF senescence. Thus, senescent NP cells may secrete soluble factors that induce degenerative and senescent changes within the iAF. This may contribute to a positive feedback loop of disc degeneration. It is possible these factors may include H2O2 and cytokines (such as TNFα). Further studies will investigate if human disc cells respond similarly.
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Affiliation(s)
| | - Sajjad Ashraf
- Pathology and Laboratory Medicine, Mt. Sinai Hospital and Lunenfeld-Tanenbaum Research Institute, Toronto, Canada
| | - Paul Santerre
- Biomedical Engineering, University of Toronto, Toronto, Canada
| | - Rita Kandel
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Pathology and Laboratory Medicine, Mt. Sinai Hospital and Lunenfeld-Tanenbaum Research Institute, Toronto, Canada
- Biomedical Engineering, University of Toronto, Toronto, Canada
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22
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Inoue Y, Uchiyama A, Amalia SN, Ishikawa M, Kosaka K, Sekiguchi A, Ogino S, Yokoyama Y, Torii R, Hosoi M, Akai R, Iwawaki T, Morasso MI, Motegi SI. Keratinocyte-Specific SOX2 Overexpression Suppressed Pressure Ulcer Formation after Cutaneous Ischemia-Reperfusion Injury via Enhancement of Amphiregulin Production. J Invest Dermatol 2024; 144:142-151.e5. [PMID: 37516309 PMCID: PMC10822028 DOI: 10.1016/j.jid.2023.06.202] [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: 10/03/2022] [Revised: 06/06/2023] [Accepted: 06/30/2023] [Indexed: 07/31/2023]
Abstract
Ischemia-reperfusion (I/R) injury is a key player in the pathogeneses of pressure ulcer formation. Our previous work demonstrated that inducing the transcription factor SOX2 promotes cutaneous wound healing through EGFR signaling pathway enhancement. However, its protective effect on cutaneous I/R injury was not well-characterized. We aimed to assess the role of SOX2 in cutaneous I/R injury and the tissue-protective effect of SOX2 induction in keratinocytes (KCs) in cutaneous I/R injury. SOX2 was transiently expressed in KCs after cutaneous I/R injury. Ulcer formation was significantly suppressed in KC-specific SOX2-overexpressing mice. SOX2 in skin KCs significantly suppressed the infiltrating inflammatory cells, apoptotic cells, vascular damage, and hypoxic areas in cutaneous I/R injury. Oxidative stress-induced mRNA levels of inflammatory cytokine expression were suppressed, and antioxidant stress factors and amphiregulin were elevated by SOX2 induction in skin KCs. Recombinant amphiregulin administration suppressed pressure ulcer development after cutaneous I/R injury in mice and suppressed oxidative stress-induced ROS production and apoptosis in vitro. These findings support that SOX2 in KCs might regulate cutaneous I/R injury through amphiregulin production, resulting in oxidative stress suppression. Recombinant amphiregulin can be a potential therapeutic agent for cutaneous I/R injury.
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Affiliation(s)
- Yuta Inoue
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiko Uchiyama
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan.
| | - Syahla Nisaa Amalia
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Mai Ishikawa
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Keiji Kosaka
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akiko Sekiguchi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sachiko Ogino
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoko Yokoyama
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryoko Torii
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Mari Hosoi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryoko Akai
- Division of Cell Medicine, Department of Life Science, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| | - Takao Iwawaki
- Division of Cell Medicine, Department of Life Science, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| | - Maria I Morasso
- Laboratory of Skin Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Sei-Ichiro Motegi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
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23
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Zou L, Wang Y, Hu Y, Liu L, Luo L, Chen Z, Zhuo Y, Li P, Zhou Q. N-cadherin Alleviates Apoptosis and Senescence of Nucleus Pulposus Cells via Suppressing ROS-dependent ERS in the Hyper-osmolarity Microenvironment. Int J Med Sci 2024; 21:341-356. [PMID: 38169592 PMCID: PMC10758147 DOI: 10.7150/ijms.90591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 11/16/2023] [Indexed: 01/05/2024] Open
Abstract
The in-situ osmolarity is an important physicochemical factor that regulates cell fate of nucleus pulposus cells (NPCs). Our previous studies demonstrated that reduced N-cadherin (NCDH) expression in nucleus pulposus cells is associated with cellular damage under hyper-osmolarity microenvironment. This study was aimed at exploring the impacts of NCDH on senescence and apoptosis of NPCs, as well as the potential molecular mechanism. By comparing NPCs from patients with lumbar fractures and lumbar disc herniation, we identified a correlation between decreased NCDH expression and increased endoplasmic reticulum stress (ERS), resulting in undesirable cell fate (senescence and apoptosis). After blocking Reactive oxygen species (ROS) or ERS, it was indicated that hyper-osmolarity microenvironment induced ERS was ROS-dependent. Further results demonstrated the correlation in rat NPCs. Upregulation of NCDH expression reduced ROS-dependent ERS, thus limiting undesirable cell fates in vitro. This was further confirmed through the rat tail acupuncture injection model. NCDH overexpression successfully mitigated ERS, preserved extracellular matrix production and alleviating intervertebral disc degeneration in vivo. Together, NCDH can alleviate senescence and apoptosis of NPCs by suppressing ROS-dependent ERS via the ATF4-CHOP signaling axis in the hyper-osmolarity microenvironment, thus highlighting the therapeutic potential of NCDH in combating degenerative disc diseases.
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Affiliation(s)
| | | | | | | | | | | | | | - Pei Li
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Qiang Zhou
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
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24
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Wang Y, Hu S, Zhang W, Zhang B, Yang Z. Emerging role and therapeutic implications of p53 in intervertebral disc degeneration. Cell Death Discov 2023; 9:433. [PMID: 38040675 PMCID: PMC10692240 DOI: 10.1038/s41420-023-01730-5] [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: 08/27/2023] [Revised: 11/11/2023] [Accepted: 11/16/2023] [Indexed: 12/03/2023] Open
Abstract
Lower back pain (LBP) is a common degenerative musculoskeletal disease that imposes a huge economic burden on both individuals and society. With the aggravation of social aging, the incidence of LBP has increased globally. Intervertebral disc degeneration (IDD) is the primary cause of LBP. Currently, IDD treatment strategies include physiotherapy, medication, and surgery; however, none can address the root cause by ending the degeneration of intervertebral discs (IVDs). However, in recent years, targeted therapy based on specific molecules has brought hope for treating IDD. The tumor suppressor gene p53 produces a transcription factor that regulates cell metabolism and survival. Recently, p53 was shown to play an important role in maintaining IVD microenvironment homeostasis by regulating IVD cell senescence, apoptosis, and metabolism by activating downstream target genes. This study reviews research progress regarding the potential role of p53 in IDD and discusses the challenges of targeting p53 in the treatment of IDD. This review will help to elucidate the pathogenesis of IDD and provide insights for the future development of precision treatments.
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Affiliation(s)
- Yidian Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Shouye Hu
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Weisong Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Binfei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhi Yang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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25
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Zhou H, Qian Q, Chen Q, Chen T, Wu C, Chen L, Zhang Z, Wu O, Jin Y, Wang X, Guo Z, Sun J, Zhang J, Shen S, Wang X, Jones M, Khan MA, Makvandi P, Zhou Y, Wu A. Enhanced Mitochondrial Targeting and Inhibition of Pyroptosis with Multifunctional Metallopolyphenol Nanoparticles in Intervertebral Disc Degeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2308167. [PMID: 37953455 DOI: 10.1002/smll.202308167] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/29/2023] [Indexed: 11/14/2023]
Abstract
Intervertebral disc degeneration (IVDD) is a significant contributor to low back pain, characterized by excessive reactive oxygen species generation and inflammation-induced pyroptosis. Unfortunately, there are currently no specific molecules or materials available to effectively delay IVDD. This study develops a multifunctional full name of PG@Cu nanoparticle network (PG@Cu). A designed pentapeptide, bonded on PG@Cu nanoparticles via a Schiff base bond, imparts multifunctionality to the metal polyphenol particles (PG@Cu-FP). PG@Cu-FP exhibits enhanced escape from lysosomal capture, enabling efficient targeting of mitochondria to scavenge excess reactive oxygen species. The scavenging activity against reactive oxygen species originates from the polyphenol-based structures within the nanoparticles. Furthermore, Pyroptosis is effectively blocked by inhibiting Gasdermin mediated pore formation and membrane rupture. PG@Cu-FP successfully reduces the activation of the nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 inflammasome by inhibiting Gasdermin protein family (Gasdermin D, GSDMD) oligomerization, leading to reduced expression of Nod-like receptors. This multifaceted approach demonstrates higher efficiency in inhibiting Pyroptosis. Experimental results confirm that PG@Cu-FP preserves disc height, retains water content, and preserves tissue structure. These findings highlight the potential of PG@Cu-FP in improving IVDD and provide novel insights for future research in IVDD treatments.
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Affiliation(s)
- Hao Zhou
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Qiuping Qian
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Qizhu Chen
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Tao Chen
- Department of Orthopaedics, Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education Tongji Hospital, Tongji University School of Medicine, School of Life Science and Technology, Tongji University, Shanghai, 200065, China
| | - Chenyu Wu
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Linjie Chen
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Zhiguang Zhang
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Ouqiang Wu
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Yuxin Jin
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Xinzhou Wang
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Zhenyu Guo
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Jing Sun
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Jun Zhang
- Zhejiang Provincial People's Hospital Bijie Hospital, Bijie, Guizhou, 551700, China
| | - Shuying Shen
- Department of Orthopaedics, Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Sir Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
| | - Xiangyang Wang
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Morgan Jones
- Spine Unit, The Royal Orthopaedic Hospital, Bristol Road South, Northfield, Birmingham, B31 2AP, United Kingdom
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Pooyan Makvandi
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang, 324000, China
| | - Yunlong Zhou
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Aimin Wu
- Department of Orthopaedics, Key Laboratory of Structural Malformations in Children of Zhejiang Province, Key Laboratory of Orthopaedics of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
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Kim Y, An SB, Lee SH, Lee JJ, Kim SB, Ahn JC, Hwang DY, Han I. Enhanced Intervertebral Disc Repair via Genetically Engineered Mesenchymal Stem Cells with Tetracycline Regulatory System. Int J Mol Sci 2023; 24:16024. [PMID: 38003216 PMCID: PMC10671788 DOI: 10.3390/ijms242216024] [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: 09/30/2023] [Revised: 10/28/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
The therapeutic potential of Mesenchymal stem cells (MSCs) for the treatment of Intervertebral disc (IVD) degeneration can be enhanced by amplifying specific cytokines and proteins. This study aimed to investigate the therapeutic potential of tetracycline-off system-engineered tonsil-derived mesenchymal stem cells (ToMSC-Tetoff-TGFβ1-IGF1-BMP7) for treating intervertebral disc (IVD) degeneration. ToMSCs were isolated from a tonsillectomy patient and genetically modified with four distinct plasmids via CRISPR/Cas9-mediated knock-in gene editing. Transgene expression was confirmed through immunofluorescence, western blots, and an enzyme-linked immunosorbent assay for transforming growth factor beta 1 (TGFβ1) protein secretion, and the effect of MSC-TetOff-TGFβ1-IGF1-BMP7 on disc injury was assessed in a rat model. The ToMSC-Tetoff-TGFβ1-IGF1-BMP7 treatment exhibited superior therapeutic effects compared to ToMSC-TGFβ1, and ToMSC-SDF1α implantation groups, stimulating the regeneration of nucleus pulposus (NP) cells crucial for IVD. The treatment showed potential to restore the structural integrity of the extracellular matrix (ECM) by upregulating key molecules such as aggrecan and type II collagen. It also exhibited anti-inflammatory properties and reduced pain-inducing neuropeptides. ToMSC-Tetoff-TGFβ1-IGF1-BMP7 holds promise as a novel treatment for IVD degeneration. It appears to promote NP cell regeneration, restore ECM structure, suppress inflammation, and reduce pain. However, more research and clinical trials are required to confirm its therapeutic potential.
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Affiliation(s)
- Yeji Kim
- Research Competency Milestones Program of School of Medicine, CHA University School of Medicine, Seongnam-si 13496, Republic of Korea;
| | - Seong Bae An
- Department of Biomedical Science, Graduate School of CHA University, Seongnam-si 13496, Republic of Korea;
| | - Sang-Hyuk Lee
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Republic of Korea;
| | - Jong Joo Lee
- Department of Medicine, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea;
- Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University College of Medicine, Seoul 03181, Republic of Korea
| | - Sung Bum Kim
- Department of Neurosurgery, Kyung Hee University, Seoul 02453, Republic of Korea;
| | - Jae-Cheul Ahn
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Republic of Korea
| | - Dong-Youn Hwang
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Republic of Korea;
- Department of Microbiology, School of Medicine, CHA University, Seongnam-si 13496, Republic of Korea
| | - Inbo Han
- Department of Biomedical Science, Graduate School of CHA University, Seongnam-si 13496, Republic of Korea;
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Zou X, Zhang X, Han S, Wei L, Zheng Z, Wang Y, Xin J, Zhang S. Pathogenesis and therapeutic implications of matrix metalloproteinases in intervertebral disc degeneration: A comprehensive review. Biochimie 2023; 214:27-48. [PMID: 37268183 DOI: 10.1016/j.biochi.2023.05.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 05/22/2023] [Accepted: 05/22/2023] [Indexed: 06/04/2023]
Abstract
Intervertebral disc (IVD) degeneration (IDD) is a common disorder that affects the spine and is a major cause of lower back pain (LBP). The extracellular matrix (ECM) is the structural foundation of the biomechanical properties of IVD, and its degradation is the main pathological characteristic of IDD. Matrix metalloproteinases (MMPs) are a group of endopeptidases that play an important role in the degradation and remodeling of the ECM. Several recent studies have shown that the expression and activity of many MMP subgroups are significantly upregulated in degenerated IVD tissue. This upregulation of MMPs results in an imbalance of ECM anabolism and catabolism, leading to the degradation of the ECM and the development of IDD. Therefore, the regulation of MMP expression is a potential therapeutic target for the treatment of IDD. Recent research has focused on identifying the mechanisms by which MMPs cause ECM degradation and promote IDD, as well as on developing therapies that target MMPs. In summary, MMP dysregulation is a crucial factor in the development of IDD, and a deeper understanding of the mechanisms involved is needed to develop effective biological therapies that target MMPs to treat IDD.
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Affiliation(s)
- Xiaosong Zou
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Xingmin Zhang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Song Han
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Lin Wei
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Zhi Zheng
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Yongjie Wang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Jingguo Xin
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Shaokun Zhang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China.
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28
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Xu G, Lu X, Liu S, Zhang Y, Xu S, Ma X, Xia X, Lu F, Zou F, Wang H, Song J, Jiang J. MSC-Derived Exosomes Ameliorate Intervertebral Disc Degeneration By Regulating the Keap1/Nrf2 Axis. Stem Cell Rev Rep 2023; 19:2465-2480. [PMID: 37528254 DOI: 10.1007/s12015-023-10570-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 08/03/2023]
Abstract
Bone marrow mesenchymal stem cell derived exosomes (BMSC-exos) are a crucial means of intercellular communication and can regulate a range of biological processes by reducing inflammation, decreasing apoptosis and promoting tissue repair. The process of intervertebral disc degeneration (IVDD) is accompanied by increased reactive oxygen species (ROS) because of a decrease in the expression of Nrf2, a critical transcription factor that resists excessive ROS. Our study demonstrated that BMSC-exos decreased ROS production by inhibiting Keap1 and promoting Nrf2 expression, attenuating the apoptosis, inflammation, and degeneration of nucelus pulposus (NP) cells. BMSC-exos promoted an increase in Nrf2 and nuclear translocation, while NF-κB expression was downregulated during this process. Additionally, the expression of antioxidative proteins was elevated after treatment with BMSC-exos. In vivo, we found more NP tissue retention in the BMSC-exos-treated group, along with more expression of Nrf2 and antioxidant-related proteins. Our findings demonstrated for the first time that BMSC-exos could restore the down-regulated antioxidant response system in degenerating NP cells by modulating the Keap1/Nrf2 axis. BMSC-exos could be used as an immediate ROS modulator in the treatment of intervertebral disc degeneration. When BMSC-exos were uptaken by NPCs, the expression of Keap1 decreased and this led to increased expression of Nrf2. Nuclear translocation of Nrf2 then promoted the synthesis of antioxidants against ROS and inhibited NF-kB signalling. Cellular inflammation, apoptosis, and ECM-related indicators were further reduced. Together, the process of IVDD was alleviated.
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Affiliation(s)
- Guangyu Xu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xiao Lu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Siyang Liu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Yuxuan Zhang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Shun Xu
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, Shanghai, 200240, China
| | - Xiaosheng Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xinlei Xia
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Feizhou Lu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, Shanghai, 200240, China
| | - Fei Zou
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Hongli Wang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jian Song
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China.
| | - Jianyuan Jiang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China.
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29
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Yi J, Zhou Q, Huang J, Niu S, Ji G, Zheng T. Lipid metabolism disorder promotes the development of intervertebral disc degeneration. Biomed Pharmacother 2023; 166:115401. [PMID: 37651799 DOI: 10.1016/j.biopha.2023.115401] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/22/2023] [Accepted: 08/27/2023] [Indexed: 09/02/2023] Open
Abstract
Lipid metabolism is a complex process that maintains the normal physiological function of the human body. The disorder of lipid metabolism has been implicated in various human diseases, such as cardiovascular diseases and bone diseases. Intervertebral disc degeneration (IDD), an age-related degenerative disease in the musculoskeletal system, is characterized by high morbidity, high treatment cost, and chronic recurrence. Lipid metabolism disorder may promote the pathogenesis of IDD, and the potential mechanisms are complex. Leptin, resistin, nicotinamide phosphoribosyltransferase (NAMPT), fatty acids, and cholesterol may promote the pathogenesis of IDD, while lipocalin, adiponectin, and progranulin (PGRN) exhibit protective activity against IDD development. Lipid metabolism disorder contributes to extracellular matrix (ECM) degradation, cell apoptosis, and cartilage calcification in the intervertebral discs (IVDs) by activating inflammatory responses, endoplasmic reticulum (ER) stress, and oxidative stress and inhibiting autophagy. Several lines of agents have been developed to target lipid metabolism disorder. Inhibition of lipid metabolism disorder may be an effective strategy for the therapeutic management of IDD. However, an in-depth understanding of the molecular mechanism of lipid metabolism disorder in promoting IDD development is still needed.
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Affiliation(s)
- Jun Yi
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Qingluo Zhou
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Jishang Huang
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Shuo Niu
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Guanglin Ji
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Tiansheng Zheng
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China.
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Wu S, Shi Y, Jiang L, Bu W, Zhang K, Lin W, Pan C, Xu Z, Du J, Chen H, Wang H. N-Acetylcysteine-Derived Carbon Dots for Free Radical Scavenging in Intervertebral Disc Degeneration. Adv Healthc Mater 2023; 12:e2300533. [PMID: 37256605 DOI: 10.1002/adhm.202300533] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/16/2023] [Indexed: 06/01/2023]
Abstract
Intervertebral disc degeneration (IVDD) is associated with oxidative stress induced reactive oxygen species (ROS) dynamic equilibrium disturbance. Nanozymes, as nanomaterials with enzyme-like activity, can regulate intro-cellular ROS levels. In this study, a new carbon dots nanozyme, N-acetylcysteine-derived carbon dots (NAC-CDs), is developed and proved to be an ideal antioxidant and anti-senescent agent in IVDD management. The results confirmed the NAC-CDs have satisfactory biocompatibility and strong superoxide dismutase (250 U mg-1 ), catalase, glutathioneperoxidase-like activity, and total antioxidant capacity. Then, the powerful free radical scavenging and antioxidant ability of NAC-CDs are demonstrated in vitro as observing the reduced ROS in H2 O2 induced senescent nucleus pulposus cells (NPCs), in which the elimination efficiency of toxic ROS is more than 90%. NAC-CDs also maintained mitochondrial homeostasis and suppressed cellular senescence, subsequently inhibited the expression of inflammatory factors in NPCs. In vivo, evaluations of imaging and tissue morphology assessments suggested that disc height index, magnetic resonance imaging grade and histological score are significantly improved from the degenerative models when NAC-CDs is applied. In conclusion, the study developed a novel carbon dots nanozyme, which efficiently rescues IVDD from ROS induced NPCs senescence and provides a potential strategy in management of IVDD in clinic.
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Affiliation(s)
- Shang Wu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai, 200065, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Yu Shi
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai, 200065, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Letao Jiang
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
| | - Wenzhen Bu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Kai Zhang
- Department of Orthopedics, First Affiliated Hospital of Soochow University, Suzhou, 215006, P. R. China
| | - Wenzheng Lin
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Chun Pan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Zhuobin Xu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Jianwei Du
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
| | - Hao Chen
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Huihui Wang
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, P. R. China
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai, 200065, P. R. China
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, P. R. China
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31
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Shi Y, Li H, Chu D, Lin W, Wang X, Wu Y, Li K, Wang H, Li D, Xu Z, Gao L, Li B, Chen H. Rescuing Nucleus Pulposus Cells From Senescence via Dual-Functional Greigite Nanozyme to Alleviate Intervertebral Disc Degeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300988. [PMID: 37400370 PMCID: PMC10477883 DOI: 10.1002/advs.202300988] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/23/2023] [Indexed: 07/05/2023]
Abstract
High levels of reactive oxygen species (ROS) lead to progressive deterioration of mitochondrial function, resulting in tissue degeneration. In this study, ROS accumulation induced nucleus pulposus cells (NPCs) senescence is observed in degenerative human and rat intervertebral disc, suggesting senescence as a new therapeutic target to reverse intervertebral disc degeneration (IVDD). By targeting this, dual-functional greigite nanozyme is successfully constructed, which shows the ability to release abundant polysulfides and presents strong superoxide dismutase and catalase activities, both of which function to scavenge ROS and maintain the tissue at physical redox level. By significantly lowering the ROS level, greigite nanozyme rescues damaged mitochondrial function in IVDD models both in vitro and in vivo, rescues NPCs from senescence and alleviated the inflammatory response. Furthermore, RNA-sequencing reveals ROS-p53-p21 axis is responsible for cellular senescence-induced IVDD. Activation of the axis abolishes greigite nanozyme rescued NPCs senescence phenotype, as well as the alleviated inflammatory response to greigite nanozyme, which confirms the role of ROS-p53-p21 axis in greigite nanozyme's function to reverse IVDD. In conclusion, this study demonstrates that ROS-induced NPCs senescence leads to IVDD and the dual-functional greigite nanozyme holds strong potential to reverse this process, providing a novel strategy for IVDD management.
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Affiliation(s)
- Yu Shi
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Hanwen Li
- Orthopedic InstituteDepartment of Orthopedic SurgeryFirst Affiliated HospitalSuzhou Medical CollegeSoochow UniversityNo. 899 Pinghai RoadSuzhou215000P. R. China
| | - Dongchuan Chu
- Department of RadiologyAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
| | - Wenzheng Lin
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Xinglong Wang
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Yin Wu
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Ke Li
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Huihui Wang
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Dandan Li
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Zhuobin Xu
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
- Institute of Translational MedicineMedical CollegeYangzhou UniversityNo.136 Jiangyang RoadYangzhou215000P. R. China
| | - Lizeng Gao
- CAS Engineering Laboratory for NanozymeInstitute of BiophysicsChinese Academy of SciencesNo. 15 Datun RoadBeijing100101P. R. China
| | - Bin Li
- Orthopedic InstituteDepartment of Orthopedic SurgeryFirst Affiliated HospitalSuzhou Medical CollegeSoochow UniversityNo. 899 Pinghai RoadSuzhou215000P. R. China
| | - Hao Chen
- Department of OrthopedicsAffiliated Hospital of Yangzhou UniversityNo. 368 Hanjiang RoadYangzhou225000P. R. China
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32
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Wang Y, Cheng H, Wang T, Zhang K, Zhang Y, Kang X. Oxidative stress in intervertebral disc degeneration: Molecular mechanisms, pathogenesis and treatment. Cell Prolif 2023; 56:e13448. [PMID: 36915968 PMCID: PMC10472537 DOI: 10.1111/cpr.13448] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/16/2023] Open
Abstract
Low back pain (LBP) is a leading cause of labour loss and disability worldwide, and it also imposes a severe economic burden on patients and society. Among symptomatic LBP, approximately 40% is caused by intervertebral disc degeneration (IDD). IDD is the pathological basis of many spinal degenerative diseases such as disc herniation and spinal stenosis. Currently, the therapeutic approaches for IDD mainly include conservative treatment and surgical treatment, neither of which can solve the problem from the root by terminating the degenerative process of the intervertebral disc (IVD). Therefore, further exploring the pathogenic mechanisms of IDD and adopting targeted therapeutic strategies is one of the current research hotspots. Among the complex pathophysiological processes and pathogenic mechanisms of IDD, oxidative stress is considered as the main pathogenic factor. The delicate balance between reactive oxygen species (ROS) and antioxidants is essential for maintaining the normal function and survival of IVD cells. Excessive ROS levels can cause damage to macromolecules such as nucleic acids, lipids, and proteins of cells, affect normal cellular activities and functions, and ultimately lead to cell senescence or death. This review discusses the potential role of oxidative stress in IDD to further understand the pathophysiological processes and pathogenic mechanisms of IDD and provides potential therapeutic strategies for the treatment of IDD.
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Affiliation(s)
- Yidian Wang
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Huiguang Cheng
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Tao Wang
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Kun Zhang
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Yumin Zhang
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Xin Kang
- Department of Joint Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'anShaanxiChina
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Zhao WJ, Liu X, Hu M, Zhang Y, Shi PZ, Wang JW, Lu XH, Cheng XF, Tao YP, Feng XM, Wang YX, Zhang L. Quercetin ameliorates oxidative stress-induced senescence in rat nucleus pulposus-derived mesenchymal stem cells via the miR-34a-5p/SIRT1 axis. World J Stem Cells 2023; 15:842-865. [PMID: 37700818 PMCID: PMC10494568 DOI: 10.4252/wjsc.v15.i8.842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/25/2023] [Accepted: 06/27/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND Intervertebral disc degeneration (IDD) is a main contributor to low back pain. Oxidative stress, which is highly associated with the progression of IDD, increases senescence of nucleus pulposus-derived mesenchymal stem cells (NPMSCs) and weakens the differentiation ability of NPMSCs in degenerated intervertebral discs (IVDs). Quercetin (Que) has been demonstrated to reduce oxidative stress in diverse degenerative diseases. AIM To investigate the role of Que in oxidative stress-induced NPMSC damage and to elucidate the underlying mechanism. METHODS In vitro, NPMSCs were isolated from rat tails. Senescence-associated β-galactosidase (SA-β-Gal) staining, cell cycle, reactive oxygen species (ROS), real-time quantitative polymerase chain reaction (RT-qPCR), immunofluorescence, and western blot analyses were used to evaluated the protective effects of Que. Meanwhile the relationship between miR-34a-5p and Sirtuins 1 (SIRT1) was evaluated by dual-luciferase reporter assay. To explore whether Que modulates tert-butyl hydroperoxide (TBHP)-induced senescence of NPMSCs via the miR-34a-5p/SIRT1 pathway, we used adenovirus vectors to overexpress and downregulate the expression of miR-34a-5p and used SIRT1 siRNA to knockdown SIRT1 expression. In vivo, a puncture-induced rat IDD model was constructed, and X rays and histological analysis were used to assess whether Que could alleviate IDD in vivo. RESULTS We found that TBHP can cause NPMSCs senescence changes, such as reduced cell proliferation ability, increased SA-β-Gal activity, cell cycle arrest, the accumulation of ROS, and increased expression of senescence-related proteins. While abovementioned senescence indicators were significantly alleviated by Que treatment. Que decreased the expression levels of senescence-related proteins (p16, p21, and p53) and senescence-associated secreted phenotype (SASP), including IL-1β, IL-6, and MMP-13, and it increased the expression of SIRT1. In addition, the protective effects of Que on cell senescence were partially reversed by miR-34a-5p overexpression and SIRT1 knockdown. In vivo, X-ray, and histological analyses indicated that Que alleviated IDD in a puncture-induced rat model. CONCLUSION In summary, the present study provides evidence that Que reduces oxidative stress-induced senescence of NPMSCs via the miR-34a/SIRT1 signaling pathway, suggesting that Que may be a potential agent for the treatment of IDD.
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Affiliation(s)
- Wen-Jie Zhao
- Graduate School, Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Xin Liu
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Man Hu
- Graduate School, Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Yu Zhang
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Peng-Zhi Shi
- Graduate School, Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Jun-Wu Wang
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Xu-Hua Lu
- Department of Orthopedics, Changzheng Hospital of The Second Military Medical University, Shanghai 200003, China
| | - Xiao-Fei Cheng
- Department of Orthopedic Surgery, Shanghai Key Laboratory of Orthopedics Implants, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China
| | - Yu-Ping Tao
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Xin-Min Feng
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Yong-Xiang Wang
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Liang Zhang
- Department of Orthopedics, Clinical Medical College, Yangzhou University, Yangzhou 225001, Jiangsu Province, China.
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Yidian W, Jihe K, Xudong G, Daxue Z, Mingqiang L, Xuewen K. N-Acetylserotonin Protects Rat Nucleus Pulposus Cells Against Oxidative Stress Injury by Activating the PI3K/AKT Signaling Pathway. World Neurosurg 2023; 176:e109-e124. [PMID: 37169069 DOI: 10.1016/j.wneu.2023.05.010] [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: 03/01/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND Current studies suggest that the pathogenesis of intervertebral disc degeneration (IDD) is related to oxidative stress damage in nucleus pulposus cells (NPCs). N-acetylserotonin (NAS) is an effective scavenger of reactive oxygen species, but its role in IDD and its underlying mechanisms are not yet clear. Therefore, the aim of this study was to investigate the effect of NAS on oxidative stress injury in NPCs and its mechanism. METHODS NP tissue of rat intervertebral disc was collected and NPCs were isolated. NPCs were treated with H2O2 to simulate the state of oxidative stress. The effects of NAS on cell viability, apoptosis, senescence, extracellular matrix (ECM), redox status and PI3K/AKT signal pathway were evaluated by cell counting kit-8, western blot, immunofluorescence, flow cytometry and SA-β-gal staining. Finally, the changes of the above indexes were further observed after the inhibition of PI3K pathway by LY294002. RESULTS Flow cytometry showed that NAS reduced H2O2-induced apoptosis of NPCs. SA-β-Gal staining showed that H2O2-induced senescence of NP cells was reversed by NAS. Immunofluorescence staining showed that NAS inhibited H2O2-induced ECM degradation. Western blotting analysis revealed that NAS significantly decreased apoptosis, senescence and ECM degradation. Further analysis showed that NAS treatment activated the PI3K/AKT pathway in H2O2-stimulated NPCs. However, these protected effects were inhibited after LY294002 treatment. CONCLUSIONS The results of the present study suggest that NAS inhibits H2O2-induced NPCs degeneration by activating PI3K/AKT pathway, suggesting that NAS has the potential to treat IDD.
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Affiliation(s)
- Wang Yidian
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China; Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Kang Jihe
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China
| | - Guo Xudong
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China
| | - Zhu Daxue
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China
| | - Liu Mingqiang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China
| | - Kang Xuewen
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, PR China; Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, Gansu, PR China; The International Cooperation Base of Gansu Province for The Pain Research in Spinal Disorders, Lanzhou, Gansu, PR China.
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Wang J, Xia Z, Su Z, Xue H, Huang C, Su M. Knockdown of microRNA-96-5p resists oxidative stress-induced apoptosis in nucleus pulposus cells. Am J Transl Res 2023; 15:4912-4921. [PMID: 37560214 PMCID: PMC10408537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/13/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND Intervertebral disc degeneration (IVDD) often leads to low back pain, which severely affects people's quality of life. Oxidative stress (OS) can accelerate nucleus pulposus cell (NPCs) senescence and apoptosis. Exploring the mechanism underlying OS-induced apoptosis is of utmost importance to aid in the development of IVDD treatment. METHODS In the current study, we tested the function of microRNA-96-5p in H2O2-treated NPCs. Apoptosis and mitophagy-related proteins were examined by western blot. Reactive oxygen species (ROS) generation, mitochondrial membrane potential, and apoptosis of NPCs were evaluated by flow cytometry. A luciferase reporter assay was conducted to confirm the interaction between microRNA-96-5p and Forkhead Box Protein O1 (FOXO1). RESULTS H2O2 treatment enhanced apoptosis in NPCs and upregulated the microRNA-96-5p expression. It was shown that knockdown of microRNA-96-5p attenuated H2O2-induced OS and apoptosis. FOXO1 is a direct target of microRNA-96-5p, and knockdown of microRNA-96-5p enhanced PINK1/Parkin-mediated mitophagy by up-regulating FOXO1. CONCLUSIONS Collectively, knockdown of microRNA-96-5p enhanced PINK1/Parkin-mediated mitophagy by up-regulating FOXO1. Our results facilitate the understanding of the role of microRNA-96-5p in IVDD and the mechanism of H2O2-induced oxidative damage.
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Affiliation(s)
- Ji Wang
- Department of Orthopedics, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
| | - Ziming Xia
- Department of Orthopedics, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
| | - Zhengyi Su
- Department of Orthopedics, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
| | - Hong Xue
- Department of Orthopedics, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
| | - Chengjun Huang
- Department of Orthopedics, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
| | - Ming Su
- Department of Pain, Liuzhou Traditional Chinese Medical Hospital of Guangxi University of Chinese MedicineLiuzhou, Guangxi, P. R. China
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Wang F, Guo K, Nan L, Wang S, Lu J, Wang Q, Ba Z, Huang Y, Wu D. Kartogenin-loaded hydrogel promotes intervertebral disc repair via protecting MSCs against reactive oxygen species microenvironment by Nrf2/TXNIP/NLRP3 axis. Free Radic Biol Med 2023; 204:128-150. [PMID: 37149010 DOI: 10.1016/j.freeradbiomed.2023.04.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/08/2023]
Abstract
Intervertebral disc (IVD) degeneration (IDD) and the consequent low back pain present a major medical challenge. Stem cell-based tissue engineering is promising for the treatment of IDD. However, stem cell-based treatment is severely impaired by the increased generation of reactive oxygen species (ROS) in degenerative disc, which can lead to a high level of cell dysfunction and even death. In this study, a kartogenin (KGN)@PLGA-GelMA/PRP composite hydrogel was designed and used as a carrier of ADSCs-based therapies in disc repair. Injectable composite hydrogel act as a carrier for controlled release of KGN and deliver ADSCs to the degenerative disc. The released KGN can stimulate the differentiation of ADSCs into a nucleus pulposus (NP) -like phenotype and boost antioxidant capacity of ADSCs via activating Nrf2/TXNIP/NLRP3 axis. Furthermore, the composite hydrogel combined with ADSCs attenuated the in vivo degeneration of rat IVDs, maintained IVD tissue integrity and accelerated the synthesis of NP-like extracellular matrix. Therefore, the KGN@PLGA-GelMA/PRP composite hydrogel is a promising strategy for stem cell-based therapies of IDD.
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Affiliation(s)
- Feng Wang
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Kai Guo
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Liping Nan
- Center for Orthopaedic Science and Translational Medicine, Department of Orthopedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Shuguang Wang
- Emergency Center, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221004, China
| | - Jiawei Lu
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Qiang Wang
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Zhaoyu Ba
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
| | - Yufeng Huang
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
| | - Desheng Wu
- Department of Spine Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
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Zhang T, Wang Y, Li R, Xin J, Zheng Z, Zhang X, Xiao C, Zhang S. ROS-responsive magnesium-containing microspheres for antioxidative treatment of intervertebral disc degeneration. Acta Biomater 2023; 158:475-492. [PMID: 36640954 DOI: 10.1016/j.actbio.2023.01.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/13/2023]
Abstract
Intervertebral disc degeneration (IVDD) is a degenerative disease characterized by lower-back pain, causing disability globally. Antioxidant therapy is currently considered one of the most promising strategies for IVDD treatment, given the crucial role of reactive oxygen species (ROS) in IVDD pathogenesis. Herein, a ROS-responsive magnesium-containing microsphere (Mg@PLPE MS) was constructed for the antioxidative treatment of IVDD. The Mg@PLPE MS has a core-shell structure comprising poly(lactic-co-glycolic acid) (PLGA) and ROS-responsive polymer poly(PBT-co-EGDM) as the shell and a magnesium microparticle as the core. The poly(PBT-co-EGDM) can be destroyed by H2O2 through the H2O2-triggered hydrophobic-to-hydrophilic transition, subsequently promoting an Mg-water reaction to produce H2. Thus, Mg@PLPE MS provides a valuable platform for H2O2 elimination and controlled H2 release. The generated H2 scavenge for ROS by reacting with noxious •OH. Notably, the Mg@PLPE MS exerted significant antioxidative and anti-inflammatory effects in a disc degeneration rat model and alleviated extracellular matrix degradation and disc cells apoptosis, thereby underlining its efficacy in IVDD treatment. The Mg@PLPE MS also exhibited robust biocompatibility and negligible toxicity, presenting the promise for the antioxidative treatment of IVDD in vivo. STATEMENT OF SIGNIFICANCE: Antioxidant therapy is currently considered one of the most promising strategies for intervertebral disc degeneration (IVDD) treatment, given the crucial role of reactive oxygen species (ROS) in IVDD pathogenesis. Here, ROS-responsive magnesium-containing microspheres (Mg@PLPE MSs) were constructed to alleviate IVDD through controlled release of hydrogen gas. The Mg@PLPE MSs can effectively scavenge overproduced ROS by simultaneously reacting with H2O2 and •OH, thus creating a suitable microenvironment for inhibition of ECM degradation. As a result, Mg@PLPE MSs treated IVDD rats exhibit minimal nucleus pulposus decrease, less extracellular matrix degradation, minimal radial fissure of fibrous rings, and higher disc height index. Therefore, the as-prepared Mg@PLPE MSs may shed a new light on clinical treatment of IVDD.
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Affiliation(s)
- Tianhui Zhang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yongjie Wang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Ruhui Li
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Jingguo Xin
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Zhi Zheng
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Xingmin Zhang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Jilin Biomedical Polymers Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China.
| | - Shaokun Zhang
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China.
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Conley BM, Yang L, Bhujel B, Luo J, Han I, Lee KB. Development of a Nanohybrid Peptide Hydrogel for Enhanced Intervertebral Disc Repair and Regeneration. ACS NANO 2023; 17:3750-3764. [PMID: 36780291 DOI: 10.1021/acsnano.2c11441] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Effective therapeutic approaches to overcome the heterogeneous pro-inflammatory and inhibitory extracellular matrix (ECM) microenvironment are urgently needed to achieve robust structural and functional repair of severely wounded fibrocartilaginous tissues. Herein we developed a dynamic and multifunctional nanohybrid peptide hydrogel (NHPH) through hierarchical self-assembly of peptide amphiphile modified with biodegradable two-dimensional nanomaterials with enzyme-like functions. NHPH is not only injectable, biocompatible, and biodegradable but also therapeutic by catalyzing the scavenging of pro-inflammatory reactive oxygen species and promoting ECM remodeling. In addition, our NHPH method facilitated the structural and functional recovery of the intervertebral disc (IVD) after severe injuries by delivering pro-regenerative cytokines in a sustained manner, effectively suppressing immune responses and eventually restoring the regenerative microenvironment of the ECM. In parallel, the NHPH-enhanced nucleus pulposus cell differentiation and pain reduction in a rat nucleotomy model further validated the therapeutic potential of NHPH. Collectively, our advanced nanoscaffold technology will provide an alternative approach for the effective treatment of IVD degeneration as well as other fibrocartilaginous tissue injuries.
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Affiliation(s)
- Brian M Conley
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Letao Yang
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Basanta Bhujel
- Department of Neurosurgery, CHA University School of Medicine, Yatap-ro 59, Bundang-gu, Seongnam-si, Gyeonggi-do 13497, Korea
| | - Jeffrey Luo
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Inbo Han
- Department of Neurosurgery, CHA University School of Medicine, Yatap-ro 59, Bundang-gu, Seongnam-si, Gyeonggi-do 13497, Korea
| | - Ki-Bum Lee
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
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pH-Responsive Delivery of H2 through Ammonia Borane-Loaded Hollow Polydopamine for Intervertebral Disc Degeneration Therapy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:7773609. [PMID: 36778204 PMCID: PMC9911255 DOI: 10.1155/2023/7773609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 11/29/2022] [Accepted: 12/21/2022] [Indexed: 02/05/2023]
Abstract
An imbalance in oxidative and inflammatory regulation is the main contributor to intervertebral disc degeneration (IDD). Hydrogen (H2) therapy is a promising antioxidation and anti-inflammatory approach. However, the key to the treatment is how to maintain the long-term effective H2 concentration in the intervertebral disc (IVD). Therefore, we developed a pH-responsive delivery of H2 through ammonia borane-loaded hollow polydopamine (AB@HPDA) for IDD therapy, which has sufficient capacity to control long-term H2 release in an acid-dependent manner in degenerative IVD. The characterization, toxicity, and pH-responsive H2 release of AB@HPDA was detected in vitro. The metabolization of AB@HPDA in the degenerated IVD was tested by in vivo imaging. The therapeutic effect of AB@HPDA on IDD was tested in vivo by X-ray, MRI, water content of the disc, and histological changes. Nuclear extracellular matrix (ECM) components, oxidative stress, and inflammation were also tested to explore potential therapeutic mechanisms. AB@HPDA has good biocompatibility at concentrations less than 500 μg/mL. The H2 release of AB@HPDA was pH responsive. Therefore, AB@HPDAs can provide efficient hydrogen therapy with controlled H2 release in response to the acidic degenerated IVD microenvironment. The metabolization of AB@HPDA in IVD was slow and lasted up to 11 days. HPDA and AB@HPDA significantly inhibited IDD, as tested by X-ray, MRI, disc water content, and histology (P < 0.05). pH-responsive H2 delivery through AB@HPDAs has the potential to efficiently treat IDD by inhibiting ECM degradation and rebalancing oxidative stress and inflammation in degenerative IVDs.
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Activation of Nrf2 signaling by 4-octyl itaconate attenuates the cartilaginous endplate degeneration by inhibiting E3 ubiquitin ligase ZNF598. Osteoarthritis Cartilage 2023; 31:213-227. [PMID: 36270478 DOI: 10.1016/j.joca.2022.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Cartilaginous endplate (CEP) degeneration is the main early manifestations of intervertebral disc degeneration (IVDD), and is closely related to the oxidative stress. Nrf2 (nuclear factor E2-related factor 2, NFE2L2) is a vital transcriptional factor of cellular antioxidant and anti-inflammatory responses. We aimed to illustrate whether the Nrf2 which was increased in expression by 4-octyl itaconate (4OI) could attenuate intervertebral disc degeneration through suppressing macrophage associated inflammation and catabolism of cartilaginous endplate. METHODS Firstly, we detected the expression of Nrf2 in human degenerative CEPs. Then, we performed in vitro, ex vivo and in vivo (a rat-tail puncture model) experiments to explore the role of 4OI in IVDD. Also, by cell co-culture experiments, we demonstrated 4OI restrained the macrophage-associated inflammatory responses. Finally, through western blotting and immunoprecipitation (IP) assay, we clarified the ZNF598-mediated ubiquitination of Nrf2. RESULTS We found decreased expression of Nrf2 in human degenerative CEPs. Using a rat IVDD model(n = 6), 4OI significantly ameliorated the progression of IVDD by MR images and histological analysis. Immunofluorescence results reveal that catabolism of CEPs and macrophage-associated inflammation are suppressed by 4OI treatment. Mechanistically, the 4OI increases Nrf2 expression and inhibits the secretion of inflammatory factors (IL-1β) by Lipopolysaccharide (LPS)-induced macrophages, thus preventing the inflammatory-related CEP degeneration. Meanwhile, 4OI suppresses the reactive oxygen species (ROS) production and catabolism of LPS-induced rat CEP cells. In addition, 4OI inhibits the ZNF598-dependent ubiquitination of Nrf2 in LPS-induced rat CEP cells. CONCLUSIONS 4OI may alleviate IVDD by suppressing CEP degeneration and macrophage-associated inflammation. 4OI may be an alternative therapy for degenerative CEPs/IVDs.
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Ito K, Kise H, Suzuki S, Nagai S, Hachiya K, Takeda H, Kawabata S, Ikeda D, Takubo K, Kaneko S, Fujita N. Potential Involvement of Oxidative Stress in Ligamentum Flavum Hypertrophy. J Clin Med 2023; 12:jcm12030808. [PMID: 36769455 PMCID: PMC9918097 DOI: 10.3390/jcm12030808] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/20/2023] Open
Abstract
Oxidative stress (OS) results in many disorders, of which degenerative musculoskeletal conditions are no exception. However, the interaction between OS and ligamentum flavum (LF) hypertrophy in lumbar spinal canal stenosis is not clearly understood. The first research question was whether OS was involved in LF hypertrophy, and the second was whether the antioxidant N-acetylcysteine (NAC) was effective on LF hypertrophy. In total, 47 LF samples were collected from patients with lumbar spinal disorders. The cross-sectional area of LF was measured on axial magnetic resonance imaging. Immunohistochemistry of 8-OHdG and TNF-α were conducted on human LF samples. A positive association was found between 8-OHdG or TNF-α expression and cross-sectional area of LF. Flow cytometry analysis showed that H2O2, buthionine sulfoximine, and TNF-α treatment significantly increased intracellular reactive oxygen species in primary LF cells. NAC inhibited the induction of LF hypertrophy markers by OS or TNF in a real-time reverse transcriptase polymerase chain reaction and enzyme-linked immunosorbent assay. Western blotting analysis indicated that p38, Erk, and p65 phosphorylation were involved in intracellular OS signaling in LF cells. In conclusion, our results indicated that OS could be a therapeutic target for LF hypertrophy. Although this study included no in vivo studies to examine the longitudinal efficacy of NAC on LF hypertrophy, NAC may have potential as a therapeutic agent against lumbar spinal canal stenosis.
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Affiliation(s)
- Kei Ito
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Hideki Kise
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo 108-8345, Japan
| | - Satoshi Suzuki
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo 108-8345, Japan
| | - Sota Nagai
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Kurenai Hachiya
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Hiroki Takeda
- Department of Spine and Spinal Cord Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Soya Kawabata
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Daiki Ikeda
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Shinjiro Kaneko
- Department of Spine and Spinal Cord Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
| | - Nobuyuki Fujita
- Department of Orthopaedic Surgery, School of Medicine, Fujita Health University, Toyoake 470-1192, Japan
- Correspondence: ; Tel.: +81-5-6293-2169 or +81-3-5363-3812; Fax: +81-5-6293-9252 or +81-3-3353-6597
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Liu Q, Tan Z, Xie C, Ling L, Hu H. Oxidative stress as a critical factor might involve in intervertebral disc degeneration via regulating NOXs/FOXOs. J Orthop Sci 2023; 28:105-111. [PMID: 34772597 DOI: 10.1016/j.jos.2021.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/19/2021] [Accepted: 09/26/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND Oxidative stress is involved in many musculoskeletal diseases, such as osteoarthritis. However, the effect of oxidative stress on intervertebral disc degeneration (IDD) is still unclear. This study was aimed to provide an evidence of oxidative stress involved in IDD, and propose a new insight into pathogenesis of IDD. METHODS Sixteen rats were randomly divided into sham and cervical muscle section (CMS) groups. The intervertebral disc degeneration scores (DDS) were assessed by histological staining at 8 weeks. Intracellular reactive oxygen species mainly comes from nicotinamide adenine dinucleotide phosphate oxidases (NOXs), while its clearance relies on antioxidant enzymes which regulated by forkhead transcription factor O (FOXOs). Thus, the oxidative stress was evaluated by the expression of NOXs and FOXOs. Meanwhile, the protein expression of Aggrecan, matrix metalloproteinase-13 (MMP-13), NOXs, FOXOs and antioxidant proteins (Manganese superoxide dismutase: MnSOD and Catalase) were tested in nucleus pulposus cells (NPCs) under tert-butyl hydroperoxide (TBHP) intervention. RESULTS CMS induced IDD by enhancing DDS in 8 weeks, and the expression of NOX2 and NOX4 were significantly increased and the expression of FOXO3 and FOXO4 were remarkably decreased in the CMS rats. With the stimulation of TBHP, the contents of NOX2 and NOX4 in NPCs increased significantly, and the antioxidant proteins of FOXO1, FOXO3, FOXO4, MnSOD and Catalase and the matrix proteins of Aggrecan decreased remarkably, while MMP-13 significantly increased after TBHP intervention. CONCLUSIONS The present study proposed that regulation of NOXs and FOXOs alters oxidative stress in intervertebral disc, which indicates that the intervention of oxidative stress would provide a new strategy to the treatment of IDD.
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Affiliation(s)
- Qi Liu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Guangzhou Medical University, China.
| | - Zhangbin Tan
- Department of Traditional Chinese Medicine, The Second Affiliated Hospital of Guangzhou Medical University, China
| | - Chuhai Xie
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Guangzhou Medical University, China
| | - Long Ling
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Guangzhou Medical University, China
| | - Hailan Hu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Guangzhou Medical University, China.
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Li Z, Cai F, Tang J, Xu Y, Guo K, Xu Z, Feng Y, Xi K, Gu Y, Chen L. Oxygen metabolism-balanced engineered hydrogel microspheres promote the regeneration of the nucleus pulposus by inhibiting acid-sensitive complexes. Bioact Mater 2022; 24:346-360. [PMID: 36632505 PMCID: PMC9822967 DOI: 10.1016/j.bioactmat.2022.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is commonly caused by imbalanced oxygen metabolism-triggered inflammation. Overcoming the shortcomings of antioxidants in IVDD treatment, including instability and the lack of targeting, remains challenging. Microfluidic and surface modification technologies were combined to graft chitosan nanoparticles encapsulated with strong reductive black phosphorus quantum dots (BPQDs) onto GelMA microspheres via amide bonds to construct oxygen metabolism-balanced engineered hydrogel microspheres (GM@CS-BP), which attenuate extracellular acidosis in nucleus pulposus (NP), block the inflammatory cascade, reduce matrix metalloproteinase expression (MMP), and remodel the extracellular matrix (ECM) in intervertebral discs (IVDs). The GM@CS-BP microspheres reduce H2O2 intensity by 229%. Chemical grafting and electrostatic attraction increase the encapsulation rate of BPQDs by 167% and maintain stable release for 21 days, demonstrating the antioxidant properties and sustained modulation of the BPQDs. After the GM@CS-BP treatment, western blotting revealed decreased acid-sensitive ion channel-3 and inflammatory factors. Histological staining in an 8-week IVDD model confirmed the regeneration of NP. GM@CS-BP microspheres therefore maintain a balance between ECM synthesis and degradation by regulating the positive feedback between imbalanced oxygen metabolism in IVDs and inflammation. This study provides an in-depth interpretation of the mechanisms underlying the antioxidation of BPQDs and a new approach for IVDD treatment.
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Affiliation(s)
- Ziang Li
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Feng Cai
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Jincheng Tang
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Yichang Xu
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Kaijin Guo
- Department of Orthopedics, the Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Road, Xuzhou, Jiangsu, 221000, PR China
| | - Zonghan Xu
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Yu Feng
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
| | - Kun Xi
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
- Corresponding author.
| | - Yong Gu
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
- Corresponding author.
| | - Liang Chen
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, 188 Shizi Road, Suzhou, Jiangsu, 215006, PR China
- Corresponding author.
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Wen P, Zheng B, Zhang B, Ma T, Hao L, Zhang Y. The role of ageing and oxidative stress in intervertebral disc degeneration. Front Mol Biosci 2022; 9:1052878. [PMID: 36419928 PMCID: PMC9676652 DOI: 10.3389/fmolb.2022.1052878] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 10/25/2022] [Indexed: 10/10/2023] Open
Abstract
Intervertebral disc degeneration (IDD) is the primary cause of intervertebral disc (IVD) disease. With the increased ageing of society, an increasing number of patients are plagued by intervertebral disc disease. Ageing not only accelerates the decreased vitality and functional loss of intervertebral disc cells but also increases intracellular oxidative stress. Moreover, the speed of intervertebral disc ageing is also linked to high levels of reactive oxygen species (ROS) production. Not only is the production of ROS increased in ageing intervertebral disc cells, but antioxidant levels in degenerative intervertebral discs also decrease. In addition to the intervertebral disc, the structural components of the intervertebral disc matrix are vulnerable to oxidative damage. After chronic mitochondrial dysfunction, ROS can be produced in large quantities, while autophagy can eliminate these impaired mitochondria to reduce the production of ROS. Oxidative stress has a marked impact on the occurrence of IDD. In the future, IDD treatment is aiming to improve oxidative stress by regulating the redox balance in intervertebral disc cells. In summary, ageing and oxidative stress promote the degeneration of IVD, but further basic and clinical trials are needed to determine how to treat oxidative stress. At present, although there are many in-depth studies on the relationship between oxidative stress and degeneration of intervertebral disc cells, the specific mechanism has not been elucidated. In this paper, the main causes of intervertebral disc diseases are studied and summarized, and the impact of oxidative stress on intervertebral disc degeneration is studied.
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Affiliation(s)
- Pengfei Wen
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Bolong Zheng
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Binfei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Tao Ma
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Linjie Hao
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yumin Zhang
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Targeting Ferroptosis Holds Potential for Intervertebral Disc Degeneration Therapy. Cells 2022; 11:cells11213508. [PMID: 36359904 PMCID: PMC9653619 DOI: 10.3390/cells11213508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a common pathological condition responsible for lower back pain, which can significantly increase economic and social burdens. Although considerable efforts have been made to identify potential mechanisms of disc degeneration, the treatment of IVDD is not satisfactory. Ferroptosis, a recently reported form of regulated cell death (RCD), is characterized by iron-dependent lipid peroxidation and has been demonstrated to be responsible for a variety of degenerative diseases. Accumulating evidence suggests that ferroptosis is implicated in IVDD by decreasing viability and increasing extracellular matrix degradation of nucleus pulposus cells, annulus fibrosus cells, or endplate chondrocytes. In this review, we summarize the literature regarding ferroptosis of intervertebral disc cells and discuss its molecular pathways and biomarkers for treating IVDD. Importantly, ferroptosis is verified as a promising therapeutic target for IVDD.
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Wei B, Zhao Y, Li W, Zhang S, Yan M, Hu Z, Gao B. Innovative immune mechanisms and antioxidative therapies of intervertebral disc degeneration. Front Bioeng Biotechnol 2022; 10:1023877. [PMID: 36299288 PMCID: PMC9588944 DOI: 10.3389/fbioe.2022.1023877] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is the basic pathological process of many degenerative diseases of the spine, characterized by series of symptoms, among which low back pain (LBP) is the most common symptom that patients suffer a lot, which not only makes patients and individual families bear a huge pain and psychological burden, but also consumes a lot of medical resources. IDD is usually thought to be relevant with various factors such as genetic predisposition, trauma and aging, and IDD progression is tightly relevant with structural and functional alterations. IDD processes are caused by series of pathological processes, including oxidative stress, matrix decomposition, inflammatory reaction, apoptosis, abnormal proliferation, cell senescence, autophagy as well as sepsis process, among which the oxidative stress and inflammatory response are considered as key link in IDD. The production and clearance of ROS are tightly connected with oxidative stress, which would further simulate various signaling pathways. The phenotype of disc cells could change from matrix anabolism-to matrix catabolism- and proinflammatory-phenotype during IDD. Recent decades, with the relevant reports about oxidative stress and inflammatory response in IDD increasing gradually, the mechanisms researches have attracted much more attention. Consequently, this study focused on the indispensable roles of the oxidative stress and inflammatory response (especially macrophages and cytokines) to illustrate the origin, development, and deterioration of IDD, aiming to provide novel insights in the molecular mechanisms as well as significant clinical values for IDD.
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Affiliation(s)
- Bingqian Wei
- Institute of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
- Basic Medical College, Air Force Medical University, Xi’an, China
| | - Yingjing Zhao
- Department of Critical Care Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Weihang Li
- Institute of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Shilei Zhang
- Institute of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Ming Yan
- Institute of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Ming Yan, ; Zebing Hu, ; Bo Gao,
| | - Zebing Hu
- The Key Laboratory of Aerospace Medicine, Ministry of Education, Air Force Medical University, Xi’an, China
- *Correspondence: Ming Yan, ; Zebing Hu, ; Bo Gao,
| | - Bo Gao
- Institute of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Ming Yan, ; Zebing Hu, ; Bo Gao,
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Oxidative Stress and Intervertebral Disc Degeneration: Pathophysiology, Signaling Pathway, and Therapy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1984742. [PMID: 36262281 PMCID: PMC9576411 DOI: 10.1155/2022/1984742] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 08/29/2022] [Accepted: 09/07/2022] [Indexed: 11/19/2022]
Abstract
Intervertebral disc degeneration (IDD), characterized as decreased proteoglycan content, ossification of endplate, and decreased intervertebral height, is one of the major reasons of low back pain, which seriously affects the quality of life and also brings heavy economic burden. However, the mechanisms leading to IDD and its therapeutic targets have not been fully elucidated. Oxidative stress refers to the imbalance between oxidation and antioxidant systems, between too many products of reactive oxygen species (ROS) and the insufficient scavenging function. Excessive ROS can damage cell lipids, nucleic acids and proteins, which has been proved to be related to the development of a variety of diseases. In recent years, an increasing number of studies have reported that oxidative stress is involved in the pathological process of IDD. Excessive ROS can accelerate the IDD process via inducing the pathological activities, such as inflammation, apoptosis, and senescence. In this review, we focused on pathophysiology and molecular mechanisms of oxidative stress-induced IDD. Moreover, the present review also summarized the possible ideas for the future therapy strategies of oxidative stress-related IDD.
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Jiang Z, Jiang C, Jin L, Chen Z, Feng Z, Jiang X, Cao Y. In vitro and in vivo effects of hyperglycemia and diabetes mellitus on nucleus pulposus cell senescence. J Orthop Res 2022; 40:2350-2361. [PMID: 35005809 DOI: 10.1002/jor.25264] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 12/10/2021] [Accepted: 01/06/2022] [Indexed: 02/04/2023]
Abstract
Diabetes mellitus contributes to intervertebral disc degeneration. Nucleus pulposus cell senescence plays an important role in intervertebral disc degeneration. However, the effects of hyperglycemia on human nucleus pulposus cells and the underlying process remains poorly understood. In the current study, we evaluated the effects of high glucose levels on human nucleus pulposus cell senescence in vitro and the effects of hyperglycemia on rat nucleus pulposus aging in vivo. Human nucleus pulposus cells were cultured in high-glucose medium (200 mM glucose) for 48 h. Senescence-associated β-galactosidase staining, western blot analysis, and enzyme-linked immunosorbent assays were performed to evaluate human nucleus pulposus cell senescence. Flow cytometry and enzyme-linked immunosorbent assays were used to evaluate reactive oxygen species and advanced glycation end-product levels. Transcriptome sequencing followed by bioinformatics analysis was used to understand the abnormal biological processes of nucleus pulposus cells cultured in high-glucose medium. Diabetes mellitus rat models were established and histopathological and immunohistochemical analysis was conducted to examine nucleus pulposus tissue senescence in vivo. Exposure to a high glucose concentration promoted human nucleus pulposus cell senescence and increased the senescence-related secretion phenotype in human nucleus pulposus cells in vitro and in rat nucleus pulposus tissue in vivo. Bioinformatics analysis showed that hub genes were involved in nucleus pulposus cell cycle activities and cell senescence. The results suggest that appropriate blood glucose control may be key to preventing intervertebral disc degeneration in diabetic patients.
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Affiliation(s)
- Zengxin Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chang Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lixia Jin
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zixian Chen
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhenzhou Feng
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaoxing Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuanwu Cao
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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Tamagawa S, Sakai D, Schol J, Sako K, Nakamura Y, Matsushita E, Warita T, Hazuki S, Nojiri H, Sato M, Ishijima M, Watanabe M. N-acetylcysteine attenuates oxidative stress-mediated cell viability loss induced by dimethyl sulfoxide in cryopreservation of human nucleus pulposus cells: A potential solution for mass production. JOR Spine 2022; 5:e1223. [PMID: 36601378 PMCID: PMC9799083 DOI: 10.1002/jsp2.1223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/13/2022] [Accepted: 08/16/2022] [Indexed: 11/06/2022] Open
Abstract
Background Cell therapy is considered a promising strategy for intervertebral disc (IVD) regeneration. However, cell products often require long-term cryopreservation, which compromises cell viability and potency, thus potentially hindering commercialization and off-the-shelf availability. Dimethyl sulfoxide (DMSO) is a commonly used cryoprotectant, however, DMSO is associated with cytotoxicity and cell viability loss. This study aimed to investigate the effects of DMSO on human nucleus pulposus cells (NPC) and the role of oxidative stress in DMSO-induced cytotoxicity. Furthermore, we examined the potential of antioxidant N-acetylcysteine (NAC) supplementation to mitigate the negative effects of DMSO. Methods NPC were exposed to various concentrations of DMSO with or without a freezing cycle. Cell viability, cell apoptosis and necrosis rates, intracellular reactive oxygen species (ROS) levels, and gene expression of major antioxidant enzymes were evaluated. In addition, NAC was added to cryopreservation medium containing 10% DMSO and its effects on ROS levels and cell viability were assessed. Results DMSO concentrations ≤1% for 24 h did not significantly affect the NPC viability, whereas exposure to 5 and 10% DMSO (most commonly used concentration) caused cell viability loss (loss of 57% and 68% respectively after 24 h) and cell death in a dose- and time-dependent manner. DMSO increased intracellular and mitochondrial ROS (1.9-fold and 3.6-fold respectively after 12 h exposure to 10% DMSO) and downregulated gene expression levels of antioxidant enzymes in a dose-dependent manner. Tempering ROS through NAC treatment significantly attenuated DMSO-induced oxidative stress and supported maintenance of cell viability. Conclusions This study demonstrated dose- and time-dependent cytotoxic effects of DMSO on human NPC. The addition of NAC to the cryopreservation medium ameliorated cell viability loss by reducing DMSO-induced oxidative stress in the freeze-thawing cycle. These findings may be useful for future clinical applications of whole cells and cellular products.
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Affiliation(s)
- Shota Tamagawa
- Department of Medicine for Orthopaedics and Motor OrganJuntendo University Graduate School of MedicineTokyoJapan,Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Jordy Schol
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Kosuke Sako
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Yoshihiko Nakamura
- Research Center for Regenerative MedicineTokai University School of MedicineIseharaJapan
| | - Erika Matsushita
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Takayuki Warita
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan,TUNZ Pharma Co., Ltd.OsakaJapan
| | - Soma Hazuki
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan,TUNZ Pharma Co., Ltd.OsakaJapan
| | - Hidetoshi Nojiri
- Department of Medicine for Orthopaedics and Motor OrganJuntendo University Graduate School of MedicineTokyoJapan
| | - Masato Sato
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
| | - Muneaki Ishijima
- Department of Medicine for Orthopaedics and Motor OrganJuntendo University Graduate School of MedicineTokyoJapan
| | - Masahiko Watanabe
- Department of Orthopaedic Surgery, Surgical ScienceTokai University School of MedicineIseharaJapan
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Jakoniuk M, Biegaj M, Kochanowicz J, Łysoń T, Lankau A, Wilkiel M, Socha K. Relationship between Selected Micronutrient Concentrations, Total Antioxidant Status, Pain Severity, and the Image of 1H MR Spectroscopy in Degenerative Spine Disease: A Case-Control Study. J Clin Med 2022; 11:jcm11195586. [PMID: 36233453 PMCID: PMC9570848 DOI: 10.3390/jcm11195586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/13/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
Osteoarthritis of the spine is a common disease and constitutes a significant problem in highly developed countries. Due to the aging of the population, the number of patients with advanced degenerative changes continues to grow. Trace elements and antioxidant status may play an active role in the pathogenesis of osteoarthritis of the spine. The aim of this study was to assess the relationship between total antioxidant status (TAS), the concentration of selected elements (Zn, Cu, Se, Mn) in the serum, nutritional and environmental factors, the severity of pain, and images of degenerative changes in the spine demonstrated in proton magnetic resonance spectroscopy (1H MRS). The study included 90 patients with degenerative spine disease and 40 healthy people. Serum Zn, Cu, Se, and Mn concentrations were determined by atomic absorption spectrometry. The Cu/Zn molar ratio was calculated. TAS was determined spectrophotometrically using a ready-made Randox kit. The severity of spine pain was assessed using the visual analogue scale VAS. In the 1H MRS study, the fat/water ratio was determined in L1 and L5 vertebral bodies and in the L4/5 intervertebral disc. In patients with osteoarthritis of the spine, there was a reduced concentration of Zn and Cu in the serum (0.77 ± 0.22 mg/L, 1.1 ± 0.35 mg/L) compared to the control group (0.83 ± 0.13 mg/L, 1.25 ± 0.41 mg/L, respectively). In the study group, we also observed a significantly lower Cu concentration in smokers (1.07 ± 0.35 mg/L) compared to non-smokers (1.17 ± 0.34 mg/L). A relationship between the female sex and a decreased concentration of TAS in the serum, both in people with degenerative spine disease and in healthy people, has been demonstrated. In patients with serum TAS levels below the reference values, the fat/water ratio was higher in the L5 spine shaft, while in those with elevated Mn levels, the value was higher in the L4/L5 intervertebral disc, which indicates a greater degree of degeneration in both cases. Patients with normal serum Cu concentration experienced lower pain intensity assessed in the VAS scale. The study showed some abnormalities in serum trace element levels and TAS in patients with osteoarthritis of the spine.
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Affiliation(s)
- Marta Jakoniuk
- Department of Invasive Neurology, Medical University of Białystok, M. Skłodowskiej-Curie 24a Street, 15-276 Białystok, Poland
- Correspondence: ; Tel.: +48-85-748-21-22
| | - Magdalena Biegaj
- Department of Bromatology, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland
| | - Jan Kochanowicz
- Department of Neurology, Medical University of Białystok, M. Skłodowskiej-Curie 24a Street, 15-276 Białystok, Poland
| | - Tomasz Łysoń
- Department of Invasive Neurology, Medical University of Białystok, M. Skłodowskiej-Curie 24a Street, 15-276 Białystok, Poland
| | - Agnieszka Lankau
- Department of Integrated Medical Care, Medical University of Białystok, M. Skłodowskiej-Curie 7a Street, 15-096 Białystok, Poland
| | - Marianna Wilkiel
- Department of Neurology, Medical University of Białystok, M. Skłodowskiej-Curie 24a Street, 15-276 Białystok, Poland
| | - Katarzyna Socha
- Department of Bromatology, Medical University of Białystok, Mickiewicza 2D Street, 15-222 Białystok, Poland
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