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Ma Z, Liu X, Zhang M, Wu Z, Zhang X, Li S, An J, Luo Z. Research Progress on the Role of Cartilage Endplate in Intervertebral Disc Degeneration. Cell Biochem Funct 2024; 42:e4118. [PMID: 39267363 DOI: 10.1002/cbf.4118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Revised: 08/24/2024] [Accepted: 08/26/2024] [Indexed: 09/17/2024]
Abstract
Low back pain significantly impacts individuals' quality of life, with intervertebral disc degeneration (IDD) being a primary contributor to this condition. Currently, IDD treatment primarily focuses on symptom management and does not achieve a definitive cure. The cartilage endplate (CEP), a crucial nutrient-supplying tissue of the intervertebral disc, plays a pivotal role in disc degeneration. This review examines the mechanisms underlying CEP degeneration, summarizing recent advancements in understanding the structure and function of CEP, the involvement of various signaling pathways, and the roles of cartilage endplate stem cells (CESCs) and exosomes (Exos) in this process. The aim of this review is to provide a comprehensive reference for future research on CEP. Despite progress in understanding the role of CEP in IDD, the mechanisms underlying CEP degeneration remain incompletely elucidated. Future research poses significant challenges, necessitating further investigations to elucidate the complexities of CEP.
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Affiliation(s)
- Zhong Ma
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Xin Liu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Mingtao Zhang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Zuolong Wu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Xianxu Zhang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Shicheng Li
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Jiangdong An
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Zhiqiang Luo
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou, Gansu, China
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Li H, Tang Y, Liu Z, Chen K, Zhang K, Hu S, Pan C, Yang H, Li B, Chen H. Lumbar instability remodels cartilage endplate to induce intervertebral disc degeneration by recruiting osteoclasts via Hippo-CCL3 signaling. Bone Res 2024; 12:34. [PMID: 38816384 PMCID: PMC11139958 DOI: 10.1038/s41413-024-00331-x] [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: 08/29/2023] [Revised: 02/29/2024] [Accepted: 04/01/2024] [Indexed: 06/01/2024] Open
Abstract
Degenerated endplate appears with cheese-like morphology and sensory innervation, contributing to low back pain and subsequently inducing intervertebral disc degeneration in the aged population.1 However, the origin and development mechanism of the cheese-like morphology remain unclear. Here in this study, we report lumbar instability induced cartilage endplate remodeling is responsible for this pathological change. Transcriptome sequencing of the endplate chondrocytes under abnormal stress revealed that the Hippo signaling was key for this process. Activation of Hippo signaling or knockout of the key gene Yap1 in the cartilage endplate severed the cheese-like morphological change and disc degeneration after lumbar spine instability (LSI) surgery, while blocking the Hippo signaling reversed this process. Meanwhile, transcriptome sequencing data also showed osteoclast differentiation related gene set expression was up regulated in the endplate chondrocytes under abnormal mechanical stress, which was activated after the Hippo signaling. Among the discovered osteoclast differentiation gene set, CCL3 was found to be largely released from the chondrocytes under abnormal stress, which functioned to recruit and promote osteoclasts formation for cartilage endplate remodeling. Over-expression of Yap1 inhibited CCL3 transcription by blocking its promoter, which then reversed the endplate from remodeling to the cheese-like morphology. Finally, LSI-induced cartilage endplate remodeling was successfully rescued by local injection of an AAV5 wrapped Yap1 over-expression plasmid at the site. These findings suggest that the Hippo signaling induced osteoclast gene set activation in the cartilage endplate is a potential new target for the management of instability induced low back pain and lumbar degeneration.
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Affiliation(s)
- Hanwen Li
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, P.R. China
| | - Yingchuang Tang
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, P.R. China
| | - Zixiang Liu
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
| | - Kangwu Chen
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
| | - Kai Zhang
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
| | - Sihan Hu
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, P.R. China
| | - Chun Pan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, P.R. China
| | - Huilin Yang
- Department of Orthopedic Surgery, First Affiliated Hospital of Soochow University, Suzhou, P.R. China.
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, P.R. China.
| | - Bin Li
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, P.R. China.
| | - Hao Chen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, P.R. China.
- Department of Orthopedic Surgery, Affiliated Hospital of Yangzhou University, Yangzhou, P.R. China.
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Zhao Y, Dong H, Xia Q, Wang Y, Zhu L, Hu Z, Xia J, Mao Q, Weng Z, Yi J, Feng S, Jiang Y, Liao W, Xin Z. A new strategy for intervertebral disc regeneration: The synergistic potential of mesenchymal stem cells and their extracellular vesicles with hydrogel scaffolds. Biomed Pharmacother 2024; 172:116238. [PMID: 38308965 DOI: 10.1016/j.biopha.2024.116238] [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: 12/07/2023] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 02/05/2024] Open
Abstract
Intervertebral disc degeneration (IDD) is a disease that severely affects spinal health and is prevalent worldwide. Mesenchymal stem cells (MSCs) and their derived extracellular vesicles (EVs) have regenerative potential and have emerged as promising therapeutic tools for treating degenerative discs. However, challenges such as the harsh microenvironment of degenerated intervertebral discs and EVs' limited stability and efficacy have hindered their clinical application. In recent years, hydrogels have attracted much attention in the field of IDD therapy because they can mimic the physiologic microenvironment of the disc and provide a potential solution by providing a suitable growth environment for MSCs and EVs. This review introduced the biological properties of MSCs and their derived EVs, summarized the research on the application of MSCs and EVs in IDD, summarized the current clinical trial studies of MSCs and EVs, and also explored the mechanism of action of MSCs and EVs in intervertebral discs. In addition, plenty of research elaborated on the mechanism of action of different classified hydrogels in tissue engineering, the synergistic effect of MSCs and EVs in promoting intervertebral disc regeneration, and their wide application in treating IDD. Finally, the challenges and problems still faced by hydrogel-loaded MSCs and EVs in the treatment of IDD are summarized, and potential solutions are proposed. This paper outlines the synergistic effects of MSCs and EVs in treating IDD in combination with hydrogels and aims to provide theoretical references for future related studies.
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Affiliation(s)
- Yan Zhao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Huaize Dong
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Qiuqiu Xia
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Yanyang Wang
- Department of Cell Engineering Laboratory, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Lu Zhu
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Zongyue Hu
- Department of Pain Rehabilitation, Affiliated Sinopharm Gezhouba Central Hospital, Third Clinical Medical College of Three Gorges University, Yichang 443003, Hubei, China
| | - Jiyue Xia
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Qiming Mao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Zijing Weng
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Jiangbi Yi
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Shuai Feng
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Youhong Jiang
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Wenbo Liao
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China
| | - Zhijun Xin
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, China; Institut Curie, PSL Research University, CNRS UMR3244, Dynamics of Genetic Information, Sorbonne Université, 75005 Paris, France.
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Xue P, Wang Y, Lv L, Wang D, Wang Y. Roles of Chemokines in Intervertebral Disk Degeneration. Curr Pain Headache Rep 2024; 28:95-108. [PMID: 37976014 DOI: 10.1007/s11916-023-01188-1] [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] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE OF REVIEW Intervertebral disc degeneration is the primary etiology of low back pain and radicular pain. This review examines the roles of crucial chemokines in different stages of degenerative disc disease, along with interventions targeting chemokine function to mitigate disc degeneration. RECENT FINDINGS The release of chemokines from degenerated discs facilitates the infiltration and activation of immune cells, thereby intensifying the inflammatory cascade response. The migration of immune cells into the venous lumen is concomitant with the emergence of microvascular tissue and nerve fibers. Furthermore, the presence of neurogenic factors secreted by disc cells and immune cells stimulates the activation of pain-related cation channels in the dorsal root ganglion, potentially exacerbating discogenic and neurogenic pain and intensifying the degenerative cascade response mediated by chemokines. Gaining a deeper comprehension of the functions of chemokines and immune cells in these processes involving catabolism, angiogenesis, and injury detection could offer novel therapeutic avenues for managing symptomatic disc disease.
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Affiliation(s)
- Pengfei Xue
- Medical School of Southeast University, Nanjing, Jiangsu, 210009, China
- Central Laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu, 211300, China
| | - Yi Wang
- Department of Orthopaedics, Jiujiang Traditional Chinese Medicine Hospital, Jiujiang, Jiangxi, 332000, China
| | - Long Lv
- Central Laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu, 211300, China
| | - Dongming Wang
- Central Laboratory, Gaochun Hospital Affiliated to Jiangsu University, Nanjing, Jiangsu, 211300, China.
| | - Yuntao Wang
- Medical School of Southeast University, Nanjing, Jiangsu, 210009, China.
- Department of Spine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu, 210009, China.
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Zhang Y, Liu C, Li Y, Xu H. Mechanism of the Mitogen-Activated Protein Kinases/Mammalian Target of Rapamycin Pathway in the Process of Cartilage Endplate Stem Cell Degeneration Induced by Tension Load. Global Spine J 2023; 13:2396-2408. [PMID: 35400210 PMCID: PMC10538332 DOI: 10.1177/21925682221085226] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
STUDY DESIGN Basic Research. OBJECTIVE Intervertebral disc degeneration (IVDD) is caused by the cartilage endplate (CEP). Cartilage endplate stem cell (CESC) is involved in the recovery of CEP degeneration. Tension load (TL) contributes a lot to the initiation and progression of IVDD. This study aims to investigate the regulatory mechanism of the Mitogen-activated protein kinases/Mammalian target of rapamycin (MAPK/mTOR) pathway during TL-induced CESC degeneration. METHODS CESCs were isolated from New Zealand big-eared white female rabbits (6 months old). FX-4000T cell stress loading system was applied to establish a TL-induced degeneration model of CESCs. Western blotting was used to detect the level of mTOR pathway-related proteins and autophagy markers LC3-Ⅱ, Beclin-1, and p62 in degenerative CESCs. The expression of MAPK pathway-related proteins JNK and extracellular signal-regulated kinases (ERK) in degenerated CESCs was inhibited by cell transfection to explore whether JNK and ERK play a regulatory role in TL-induced autophagy in CESCs. RESULTS In the CESC degeneration model, the mTOR pathway was activated. After inhibition of mTOR, the autophagy level of CESCs was increased, and the degeneration of CESCs was alleviated. The MAPK pathway was also activated in the CESC degeneration model. Inhibition of JNK expression may alleviate TL-induced CEP degeneration by inhibiting Raptor phosphorylation and activating autophagy. Inhibition of ERK expression may alleviate TL-induced CEP degeneration by inhibiting mTOR phosphorylation and activating autophagy. CONCLUSION Inhibition of JNK and ERK in the MAPK signaling family alleviated TL-induced CESC degeneration by inhibiting the phosphorylation of Raptor and mTOR in the mTOR pathway.
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Affiliation(s)
- Yu Zhang
- Spine Research Center of Wannan Medical College, Department of Spine Surgery, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, P.R. China
| | - Chen Liu
- Spine Research Center of Wannan Medical College, Department of Spine Surgery, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, P.R. China
| | - Yu Li
- Spine Research Center of Wannan Medical College, Department of Spine Surgery, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, P.R. China
| | - Hongguang Xu
- Spine Research Center of Wannan Medical College, Department of Spine Surgery, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, P.R. China
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Zhao YD, Huang YC, Lin JL, Li WS. Intervertebral Disc Progenitors: Lessons Learned from Single-Cell RNA Sequencing and the Role in Intervertebral Disc Regeneration. Bioengineering (Basel) 2023; 10:713. [PMID: 37370644 DOI: 10.3390/bioengineering10060713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
The tremendous personal and economic burden worldwide caused by low back pain (LBP) has been surging in recent years. While intervertebral disc degeneration (IVDD) is the leading cause of LBP and vast efforts have been made to develop effective therapies, this problem is far from being resolved, as most treatments, such as painkillers and surgeries, mainly focus on relieving the symptoms rather than reversing the cause of IVDD. However, as stem/progenitor cells possess the potential to regenerate IVD, a deeper understanding of the early development and role of these cells could help to improve the effectiveness of stem/progenitor cell therapy in treating LBP. Single-cell RNA sequencing results provide fresh insights into the heterogeneity and development patterns of IVD progenitors; additionally, we compare mesenchymal stromal cells and IVD progenitors to provide a clearer view of the optimal cell source proposed for IVD regeneration.
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Affiliation(s)
- Yu-Dong Zhao
- Department of Orthopaedics, Peking University Third Hospital, Beijing 100191, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing 100191, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing 100191, China
| | - Yong-Can Huang
- Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Jia-Liang Lin
- Department of Orthopaedics, Peking University Third Hospital, Beijing 100191, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing 100191, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing 100191, China
| | - Wei-Shi Li
- Department of Orthopaedics, Peking University Third Hospital, Beijing 100191, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing 100191, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing 100191, China
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Liu Z, Bian Y, Wu G, Fu C. Application of stem cells combined with biomaterial in the treatment of intervertebral disc degeneration. Front Bioeng Biotechnol 2022; 10:1077028. [PMID: 36507272 PMCID: PMC9732431 DOI: 10.3389/fbioe.2022.1077028] [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: 10/22/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022] Open
Abstract
As the world population is aging, intervertebral disc degeneration (IDD) is becoming a global health issue of increasing concern. A variety of disc degeneration diseases (DDDs) have been proven to be associated with IDD, and these illnesses have significant adverse effects on both individuals and society. The application of stem cells in regenerative medicine, such as blood and circulation, has been demonstrated by numerous studies. Similarly, stem cells have made exciting progress in the treatment of IDD. However, due to complex anatomical structures and functional requirements, traditional stem cell injection makes it difficult to meet people's expectations. With the continuous development of tissue engineering and biomaterials, stem cell combined with biomaterials has far more prospects than before. This review aims to objectively and comprehensively summarize the development of stem cells combined with contemporary biomaterials and the difficulties that need to be overcome.
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Affiliation(s)
- Zongtai Liu
- Department of Spine Surgery, First Hospital of Jilin University, Changchun, China,Department of Orthopedics, Affiliated Hospital of Beihua University, Jilin, China
| | - Yuya Bian
- Jilin Institute of Scientific and Technical Information, Changchun, China
| | - Guangzhi Wu
- Department of Hand Surgery, China-Japan Union Hospital of Jilin University, Changchun, China,*Correspondence: Guangzhi Wu, ; Changfeng Fu,
| | - Changfeng Fu
- Department of Spine Surgery, First Hospital of Jilin University, Changchun, China,*Correspondence: Guangzhi Wu, ; Changfeng Fu,
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Bahar ME, Hwang JS, Ahmed M, Lai TH, Pham TM, Elashkar O, Akter KM, Kim DH, Yang J, Kim DR. Targeting Autophagy for Developing New Therapeutic Strategy in Intervertebral Disc Degeneration. Antioxidants (Basel) 2022; 11:antiox11081571. [PMID: 36009290 PMCID: PMC9405341 DOI: 10.3390/antiox11081571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/11/2022] [Accepted: 08/11/2022] [Indexed: 12/25/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a prevalent cause of low back pain. IVDD is characterized by abnormal expression of extracellular matrix components such as collagen and aggrecan. In addition, it results in dysfunctional growth, senescence, and death of intervertebral cells. The biological pathways involved in the development and progression of IVDD are not fully understood. Therefore, a better understanding of the molecular mechanisms underlying IVDD could aid in the development of strategies for prevention and treatment. Autophagy is a cellular process that removes damaged proteins and dysfunctional organelles, and its dysfunction is linked to a variety of diseases, including IVDD and osteoarthritis. In this review, we describe recent research findings on the role of autophagy in IVDD pathogenesis and highlight autophagy-targeting molecules which can be exploited to treat IVDD. Many studies exhibit that autophagy protects against and postpones disc degeneration. Further research is needed to determine whether autophagy is required for cell integrity in intervertebral discs and to establish autophagy as a viable therapeutic target for IVDD.
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Affiliation(s)
- Md Entaz Bahar
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Jin Seok Hwang
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Mahmoud Ahmed
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Trang Huyen Lai
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Trang Minh Pham
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Omar Elashkar
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Kazi-Marjahan Akter
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, GyeongNam, Korea
| | - Dong-Hee Kim
- Department of Orthopaedic Surgery, Institute of Health Sciences, Gyeongsang National University Hospital and Gyeongsang National University College of Medicine, Jinju 52727, GyeongNam, Korea
| | - Jinsung Yang
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
| | - Deok Ryong Kim
- Department of Biochemistry and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, GyeongNam, Korea
- Correspondence: ; Tel.: +82-55-772-8054
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Wang G, He L, Xiang Y, Jia D, Li Y. Long noncoding and micro-RNA expression in a model of articular chondrocyte degeneration induced by stromal cell-derived factor-1. ASIAN BIOMED 2022; 16:169-179. [PMID: 37551168 PMCID: PMC10321185 DOI: 10.2478/abm-2022-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Background Gene regulatory network analysis has found that long noncoding ribonucleic acids (lncRNAs) are strongly associated with the pathogenesis of osteoarthritis. Objectives To determine the differential expression of lncRNAs and microRNAs (miRNAs) in normal chondrocytes and those from a model of articular chondrocyte degeneration. Methods Chondrocytes were cultured from cartilage obtained from patients diagnosed with osteoarthritis of the knee. Stromal cell-derived factor-1 (SDF-1) was used to induce their degeneration. Total RNA was extracted, analyzed, amplified, labeled, and hybridized on a chip to determine expression. The set of enriched differentially expressed miRNAs was analyzed by gene ontology and the Kyoto Encyclopedia of Genes and Genomes to describe the functional properties of the key biological processes and pathways. We conducted a bioinformatics analysis using Cytoscape to elucidate the interactions between miRNAs and proteins. Results We found that the expression of 186 lncRNAs was significantly different in the model of chondrocyte degeneration, in which 88 lncRNAs were upregulated, and 98 were downregulated. Expression of 684 miRNAs was significantly different. Analysis of the protein-protein interaction (PPI) network indicated that the genes for CXCL10, ISG15, MYC, MX1, OASL, IFIT1, RSAD2, MX2, IFI44L, and BST2 are the top 10 core genes, identifying the most important functional modules to elucidate the differential expression of miRNAs. Conclusions These data may provide new insights into the molecular mechanisms of chondrocyte degeneration in osteoarthritis, and the identification of lncRNAs and miRNAs may provide potential targets for the differential diagnosis and therapy of osteoarthritis.
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Affiliation(s)
- Guoliang Wang
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
- Kunming Medical University, Kunming, Yunnan650032, China
| | - Lu He
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Yaoyu Xiang
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Di Jia
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
| | - Yanlin Li
- Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan650032, China
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10
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Application of stem cells in the repair of intervertebral disc degeneration. Stem Cell Res Ther 2022; 13:70. [PMID: 35148808 PMCID: PMC8832693 DOI: 10.1186/s13287-022-02745-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 01/25/2022] [Indexed: 12/16/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is a common disease that increases with age, and its occurrence is stressful both psychologically and financially. Stem cell therapy for IDD is emerging. For this therapy, stem cells from different sources have been proven in vitro, in vivo, and in clinical trials to relieve pain and symptoms, reverse the degeneration cascade, delay the aging process, maintain the spine shape, and retain mechanical function. However, further research is needed to explain how stem cells play these roles and what effects they produce in IDD treatment. This review aims to summarize and objectively analyse the current evidence on stem cell therapy for IDD.
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Exosomes-derived miR-125-5p from cartilage endplate stem cells regulates autophagy and ECM metabolism in nucleus pulposus by targeting SUV38H1. Exp Cell Res 2022; 414:113066. [DOI: 10.1016/j.yexcr.2022.113066] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 02/08/2023]
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Therapeutic Strategies for IVD Regeneration through Hyaluronan/SDF-1-Based Hydrogel and Intravenous Administration of MSCs. Int J Mol Sci 2021; 22:ijms22179609. [PMID: 34502517 PMCID: PMC8431759 DOI: 10.3390/ijms22179609] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/28/2021] [Accepted: 08/30/2021] [Indexed: 12/19/2022] Open
Abstract
Intervertebral disc (IVD) degeneration involves a complex cascade of events, including degradation of the native extracellular matrix, loss of water content, and decreased cell numbers. Cell recruitment strategies for the IVD have been increasingly explored, aiming to recruit either endogenous or transplanted cells. This study evaluates the IVD therapeutic potential of a chemoattractant delivery system (HAPSDF5) that combines a hyaluronan-based thermoreversible hydrogel (HAP) and the chemokine stromal cell derived factor-1 (SDF-1). HAPSDF5 was injected into the IVD and was combined with an intravenous injection of mesenchymal stem/stromal cells (MSCs) in a pre-clinical in vivo IVD lesion model. The local and systemic effects were evaluated two weeks after treatment. The hydrogel by itself (HAP) did not elicit any adverse effect, showing potential to be administrated by intradiscal injection. HAPSDF5 induced higher cell numbers, but no evidence of IVD regeneration was observed. MSCs systemic injection seemed to exert a role in IVD regeneration to some extent through a paracrine effect, but no synergies were observed when HAPSDF5 was combined with MSCs. Overall, this study shows that although the injection of chemoattractant hydrogels and MSC recruitment are feasible approaches for IVD, IVD regeneration using this strategy needs to be further explored before successful clinical translation.
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Luo L, Jian X, Sun H, Qin J, Wang Y, Zhang J, Shen Z, Yang D, Li C, Zhao P, Liu M, Tian Z, Zhou Y. Cartilage endplate stem cells inhibit intervertebral disc degeneration by releasing exosomes to nucleus pulposus cells to activate Akt/autophagy. Stem Cells 2021; 39:467-481. [PMID: 33459443 PMCID: PMC8048856 DOI: 10.1002/stem.3322] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022]
Abstract
Degeneration of the cartilage endplate (CEP) induces intervertebral disc degeneration (IVDD). Nucleus pulposus cell (NPC) apoptosis is also an important exacerbating factor in IVDD, but the cascade mechanism in IVDD is not clear. We investigated the apoptosis of NPCs and IVDD when stimulated by normal cartilage endplate stem cell (CESC)-derived exosomes (N-Exos) and degenerated CESC-derived exosomes (D-Exos) in vitro and in vivo. Tert-butyl hydroperoxide (TBHP) was used to induce inflammation of CESCs. The bioinformatics differences between N-Exos and D-Exos were analyzed using mass spectrometry, heat map, and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis. NPC apoptosis was examined using TUNEL staining. The involvement of the AKT and autophagy signaling pathways was investigated using the signaling inhibitor LY294002. Magnetic resonance imaging, Western blotting, and immunofluorescence staining were used to evaluate the therapeutic effects of N-Exos in rats with IVDD. TBHP effectively induced inflammation and the degeneration of CEP in rat. N-Exos were more conducive to autophagy activation than D-Exos. The apoptotic rate of NPCs decreased obviously after treatment with N-Exos compared to D-Exos. N-Exos inhibited NPCs apoptosis and attenuated IVDD in rat via activation of the AKT and autophagy pathways. These results are the first findings to confirm that CEP delayed the progression of IVDD via exosomes. The therapeutic effects of N-Exos on NPC apoptosis inhibition and the slowing of IVDD progression were more effective than D-Exos due to activation of the PI3K/AKT/autophagy pathway, which explained the increase in the incidence of IVDD after inflammation of the CEP.
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Affiliation(s)
- Liwen Luo
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China,Institute of Immunology, PLA, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Xiuying Jian
- Department of Infectious DiseasesSecond Affiliated Hospital of Chongqing Medical UniversityChongqingPeople's Republic of China
| | - Hui Sun
- Department of Rheumatology and immunologySouthwest Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Jinghao Qin
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Yanqiu Wang
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Ji Zhang
- Institute of Immunology, PLA, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Zigang Shen
- Institute of Immunology, PLA, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Di Yang
- Institute of Immunology, PLA, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Changqing Li
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Ping Zhao
- State Key Laboratory of Silkworm Genome BiologyBiological Science Research Center Southwest UniversityChongqingPeople's Republic of China
| | - MingHan Liu
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
| | - Zhiqiang Tian
- Institute of Immunology, PLA, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China,State Key Laboratory of Silkworm Genome BiologyBiological Science Research Center Southwest UniversityChongqingPeople's Republic of China
| | - Yue Zhou
- Department of OrthopaedicsXinqiao Hospital, Army Medical University (Third Military Medical University)ChongqingPeople's Republic of China
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Cutfield SW, Wickremesekera AC, Mantamadiotis T, Kaye AH, Tan ST, Stylli SS, Itineang T. Tumour stem cells in schwannoma: A review. J Clin Neurosci 2019; 62:21-26. [PMID: 30626543 DOI: 10.1016/j.jocn.2018.12.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 12/22/2018] [Indexed: 10/27/2022]
Abstract
Schwannoma is a peripheral nerve tumour, accounting for 5% of benign soft tissue tumours, with vestibular schwannoma comprising 6% of all intracranial tumours. The tumour stem cell concept is rapidly gaining traction underscoring the understanding of tumourigenesis. It proposes a small subpopulation of primitive cells as the origin of the tumour and these cells account for treatment resistance, local recurrence and distant metastasis in malignant tumours. This review outlines the stem cell markers used to identify and characterise stem cells and progenitor cells in tumours and examines current evidence of the presence of tumour stem cells in schwannoma.
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Affiliation(s)
- Samuel W Cutfield
- Gillies McIndoe Research Institute, Wellington, New Zealand; Department of Neurosurgery, Wellington Regional Hospital, Wellington, New Zealand
| | - Agadha C Wickremesekera
- Gillies McIndoe Research Institute, Wellington, New Zealand; Department of Neurosurgery, Wellington Regional Hospital, Wellington, New Zealand
| | - Theo Mantamadiotis
- Department of Surgery, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, Victoria 3050, Australia; Department of Microbiology & Immunology, School of Biomedical Sciences, The University of Melbourne, Melbourne, Victoria 3000, Australia
| | - Andrew H Kaye
- Department of Surgery, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, Victoria 3050, Australia; Department of Neurosurgery, Royal Melbourne Hospital, Melbourne, Victoria 3050, Australia
| | - Swee T Tan
- Gillies McIndoe Research Institute, Wellington, New Zealand; Wellington Regional Plastic, Maxillofacial & Burns Unit, Hutt Hospital, Wellington, New Zealand.
| | - Stanley S Stylli
- Department of Surgery, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, Victoria 3050, Australia; Department of Neurosurgery, Royal Melbourne Hospital, Melbourne, Victoria 3050, Australia
| | - Tinte Itineang
- Gillies McIndoe Research Institute, Wellington, New Zealand
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