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Qian G, Yu Y, Dong Y, Hong Y, Wang M. Exosomes derived from human urine-derived stem cells ameliorate IL-1β-induced intervertebral disk degeneration. BMC Musculoskelet Disord 2024; 25:537. [PMID: 38997667 PMCID: PMC11241922 DOI: 10.1186/s12891-024-07636-2] [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: 02/06/2023] [Accepted: 06/27/2024] [Indexed: 07/14/2024] Open
Abstract
BACKGROUND Human intervertebral disk degeneration (IVDD) is a sophisticated degenerative pathological process. A key cause of IVDD progression is nucleus pulposus cell (NPC) degeneration, which contributes to excessive endoplasmic reticulum stress in the intervertebral disk. However, the mechanisms underlying IVDD and NPC degeneration remain unclear. METHODS We used interleukin (IL)-1β stimulation to establish an NPC-degenerated IVDD model and investigated whether human urine-derived stem cell (USC) exosomes could prevent IL-1β-induced NPC degeneration using western blotting, quantitative real-time polymerase chain reaction, flow cytometry, and transcriptome sequencing techniques. RESULTS We successfully extracted and identified USCs and exosomes from human urine. IL-1β substantially downregulated NPC viability and induced NPC degeneration while modulating the expression of SOX-9, collagen II, and aggrecan. Exosomes from USCs could rescue IL-1β-induced NPC degeneration and restore the expression levels of SOX-9, collagen II, and aggrecan. CONCLUSIONS USC-derived exosomes can prevent NPCs from degeneration following IL-1β stimulation. This finding can aid the development of a potential treatment strategy for IVDD.
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Grants
- 2020WYZT01 Scientific Research Project funded by Shanghai Fifth People 's Hospital, Fudan University
- 2020WYZT01 Scientific Research Project funded by Shanghai Fifth People 's Hospital, Fudan University
- 2020WYZT01 Scientific Research Project funded by Shanghai Fifth People 's Hospital, Fudan University
- 2020WYZT01 Scientific Research Project funded by Shanghai Fifth People 's Hospital, Fudan University
- 2020WYZT01 Scientific Research Project funded by Shanghai Fifth People 's Hospital, Fudan University
- 2022MHZ073 Natural Science Research Funds of Minhang District, Shanghai
- 2022MHZ073 Natural Science Research Funds of Minhang District, Shanghai
- 2022MHZ073 Natural Science Research Funds of Minhang District, Shanghai
- 2022MHZ073 Natural Science Research Funds of Minhang District, Shanghai
- 2022MHZ073 Natural Science Research Funds of Minhang District, Shanghai
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Affiliation(s)
- Guang Qian
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, No. 801, Heqing Road, Minhang District, Shanghai, 200240, China
| | - Yueming Yu
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, No. 801, Heqing Road, Minhang District, Shanghai, 200240, China
| | - Youhai Dong
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, No. 801, Heqing Road, Minhang District, Shanghai, 200240, China
| | - Yang Hong
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, No. 801, Heqing Road, Minhang District, Shanghai, 200240, China
| | - Minghai Wang
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, No. 801, Heqing Road, Minhang District, Shanghai, 200240, China.
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2
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Jin Y, Wu O, Chen Q, Chen L, Zhang Z, Tian H, Zhou H, Zhang K, Gao J, Wang X, Guo Z, Sun J, Kwan KYH, Jones M, Li YM, Zare EN, Makvandi P, Wang X, Shen S, Wu A. Hypoxia-Preconditioned BMSC-Derived Exosomes Induce Mitophagy via the BNIP3-ANAX2 Axis to Alleviate Intervertebral Disc Degeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2404275. [PMID: 38973294 DOI: 10.1002/advs.202404275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/22/2024] [Indexed: 07/09/2024]
Abstract
Intervertebral disc degeneration (IVDD) is a chronic degenerative disease involving the aging and loss of proliferative capacity of nucleus pulposus cells (NPCs), processes heavily dependent on mitochondrial dynamics and autophagic flux. This study finds that the absence of BCL2/adenovirus E1B 19 kDa interacting protein 3 (BNIP3) is associated with senescence-related NPC degeneration, disrupting mitochondrial quality control. Bone marrow mesenchymal stem cells (BMSCs) have multidirectional differentiation potential and produce extracellular vesicles containing cellular activators. Therefore, in this study, BMSCs are induced under hypoxic stimulation to deliver BNIP3-rich extracellular vesicles to NPCs, thereby alleviating aging-associated mitochondrial autophagic flux, promoting damaged mitochondrial clearance, and restoring mitochondrial quality control. Mechanistically, BNIP3 is shown to interact with the membrane-bound protein annexin A2 (ANXA2), enabling the liberation of the transcription factor EB (TFEB) from the ANXA2-TFEB complex, promoting TFEB nuclear translocation, and regulating autophagy and lysosomal gene activation. Furthermore, a rat model of IVDD is established and verified the in vivo efficacy of the exosomes in repairing disc injuries, delaying NPC aging, and promoting extracellular matrix (ECM) synthesis. In summary, hypoxia-induced BMSC exosomes deliver BNIP3-rich vesicles to alleviate disc degeneration by activating the mitochondrial BNIP3/ANXA2/TFEB axis, providing a new target for IVDD treatment.
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Affiliation(s)
- 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
| | - 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
| | - 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
| | - 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
| | - Haijun Tian
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - 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
| | - Kai Zhang
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Jianyuan Gao
- 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
| | - Kenny Yat Hong Kwan
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 5/F Professorial Block, Queen Mary Hospital, 102 Pokfulam Road, Pokfulam, Hong Kong SAR, China
| | - Morgan Jones
- Spine Unit, The Royal Orthopaedic Hospital, Bristol Road South, Northfield, Birmingham, B31 2AP, UK
| | - Yan Michael Li
- The minimaly invasive Brain and Spine Institute, Department of Neurosurgery, State University of New York Upstate medical university, 475 Irving Ave, #402, Syracuse, NY, 13210, USA
| | | | - Pooyan Makvandi
- University Centre for Research & Development, Chandigarh University, Mohali, Punjab, 140413, India
- Department of Biomaterials, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, Chennai, 600077, India
| | - 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
| | - 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
| | - 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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Su H, Wang Z, Zhou L, Liu D, Zhang N. Regulation of the Nrf2/HO-1 axis by mesenchymal stem cells-derived extracellular vesicles: implications for disease treatment. Front Cell Dev Biol 2024; 12:1397954. [PMID: 38915448 PMCID: PMC11194436 DOI: 10.3389/fcell.2024.1397954] [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: 03/08/2024] [Accepted: 05/06/2024] [Indexed: 06/26/2024] Open
Abstract
This comprehensive review inspects the therapeutic potential of mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) across multiple organ systems. Examining their impact on the integumentary, respiratory, cardiovascular, urinary, and skeletal systems, the study highlights the versatility of MSC-EVs in addressing diverse medical conditions. Key pathways, such as Nrf2/HO-1, consistently emerge as central mediators of their antioxidative and anti-inflammatory effects. From expediting diabetic wound healing to mitigating oxidative stress-induced skin injuries, alleviating acute lung injuries, and even offering solutions for conditions like myocardial infarction and renal ischemia-reperfusion injury, MSC-EVs demonstrate promising therapeutic efficacy. Their adaptability to different administration routes and identifying specific factors opens avenues for innovative regenerative strategies. This review positions MSC-EVs as promising candidates for future clinical applications, providing a comprehensive overview of their potential impact on regenerative medicine.
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Affiliation(s)
- Hua Su
- Xingyi People’s Hospital, Xingyi, China
| | | | - Lidan Zhou
- The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dezhi Liu
- Xingyi People’s Hospital, Xingyi, China
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4
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Yang X, Zhang S, Lu J, Chen X, Zheng T, He R, Ye C, Xu J. Therapeutic potential of mesenchymal stem cell-derived exosomes in skeletal diseases. Front Mol Biosci 2024; 11:1268019. [PMID: 38903180 PMCID: PMC11187108 DOI: 10.3389/fmolb.2024.1268019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 05/16/2024] [Indexed: 06/22/2024] Open
Abstract
Skeletal diseases impose a considerable burden on society. The clinical and tissue-engineering therapies applied to alleviate such diseases frequently result in complications and are inadequately effective. Research has shifted from conventional therapies based on mesenchymal stem cells (MSCs) to exosomes derived from MSCs. Exosomes are natural nanocarriers of endogenous DNA, RNA, proteins, and lipids and have a low immune clearance rate and good barrier penetration and allow targeted delivery of therapeutics. MSC-derived exosomes (MSC-exosomes) have the characteristics of both MSCs and exosomes, and so they can have both immunosuppressive and tissue-regenerative effects. Despite advances in our knowledge of MSC-exosomes, their regulatory mechanisms and functionalities are unclear. Here we review the therapeutic potential of MSC-exosomes for skeletal diseases.
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Affiliation(s)
- Xiaobo Yang
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Shaodian Zhang
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Jinwei Lu
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Xiaoling Chen
- Department of Plastic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Tian Zheng
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Rongxin He
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Chenyi Ye
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Jianbin Xu
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
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5
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Dan X, Gu X, Zi Y, Xu J, Wang C, Li C, Hu X, Wu Z, Yu Y, Ma B. ARRB1 inhibits extracellular matrix degradation and apoptosis of nucleus pulposus cells by promoting autophagy and attenuates intervertebral disc degeneration. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119769. [PMID: 38838859 DOI: 10.1016/j.bbamcr.2024.119769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/07/2024]
Abstract
OBJECTIVE Intervertebral disc degeneration (IVDD) is the leading cause of lower back pain (LBP). β-arrestin 1 (ARRB1) is a multifunctional protein that regulates numerous pathological processes. The aim of this study was to investigate the role of ARRB1 in IVDD. METHODS The expression of ARRB1 in nucleus pulposus (NP) of rats with IVDD was assayed. Next, rat nucleus pulposus cells (NPCs) were infected with lentiviruses containing shArrb1 (LV-shArrb1) and overexpressing Arrb1 (LV-oeArrb1). The roles of Arrb1 in serum-deprived NPCs were investigated by measuring apoptosis, extracellular matrix degradation, and autophagic flux. For experiments in vivo, LV-oeArrb1 lentivirus was injected into the NP tissues of IVDD rats to evaluate the effects of Arrb1 overexpression on NP. RESULTS In the NP tissues of IVDD rats, ARRB1 and cleaved caspase-3 expression increased, and the ratio of LC3II/LC3I protein expression was upregulated. Arrb1 knockdown aggravated extracellular matrix degradation, cellular apoptosis, and impairment of autophagic flux in rat NPCs under serum-deprived conditions, whereas Arrb1 overexpression significantly reversed these effects. ARRB1 interacted with Beclin 1, and Arrb1 knockdown suppressed the formation of the Beclin1-PIK3C3 core complex. The autophagy inhibitor 3-methyladenine (3-MA) offset the protective effects of Arrb1 overexpression in serum-deprived NPCs. Furthermore, Arrb1 overexpression inhibited apoptosis and extracellular matrix degradation, promoted autophagy in NP, and delayed the development of IVDD in rats. CONCLUSION ARRB1 prevents extracellular matrix degradation and apoptosis of NPCs by upregulating autophagy and ameliorating IVDD progression, presenting an innovative strategy for the treatment of IVDD.
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Affiliation(s)
- Xuejian Dan
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Xiaochuan Gu
- Department of Orthopedics, Changhai Hospital, Navy Medical University, Shanghai 200433, China
| | - Ying Zi
- Department of Emergency Medicine, Air Force Hospital of the Northern Theater of Chinese People's Liberation Army (PLA), Shenyang, Liaoning, China
| | - Jiahui Xu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Chenggang Wang
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Chen Li
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Xiao Hu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Zhourui Wu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Yan Yu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China
| | - Bin Ma
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Institute of Spinal and Spinal Cord Injury, Tongji University School of Medicine, Shanghai 200065, China.
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6
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Tian Z, Gao H, Xia W, Lou Z. S1PR3 suppresses the inflammatory response and extracellular matrix degradation in human nucleus pulposus cells. Exp Ther Med 2024; 27:265. [PMID: 38756905 PMCID: PMC11097297 DOI: 10.3892/etm.2024.12553] [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: 11/13/2023] [Accepted: 02/13/2024] [Indexed: 05/18/2024] Open
Abstract
Sphingosine 1-phosphate receptor 3 (S1PR3) participates in the inflammatory response in multiple types of diseases. However, the biological role of S1PR3 in intervertebral disc degeneration and the underlying mechanism are unclear. The aim of the present study was to investigate the functional role and the mechanism of S1PR3 in lipopolysaccharide (LPS)-induced human nucleus pulposus cells. The expression of S1PR3 and Toll-like receptor (TLR) 2 in LPS-induced nucleus pulposus (NP) cells was investigated using western blotting. The Cell Counting Kit-8 assay was used to detect cell proliferation, and the levels of inflammatory factors were detected using ELISA. Flow cytometry and western blotting were used for the assessment of apoptosis. The deposition of extracellular matrix (ECM) proteins was investigated using reverse transcription-quantitative PCR and western blotting. In addition, western blotting was used to investigate the protein expression levels of phosphorylated (p)-STAT3, STAT3, p-JNK, JNK, p-ERK, ERK, p-p38 and p38associated with STAT3 and MAPK signaling. S1PR3 expression was reduced, while TLR2 expression was elevated in LPS-induced human nucleus pulposus cells (HNPC). S1PR3 overexpression increased HNPC viability, inhibited the inflammatory response and suppressed apoptosis. Meanwhile, S1PR3 overexpression regulated the expression of ECM-related proteins. Additionally, overexpression of S1PR3 inhibited the expression of the TLR2-regulated STAT3 and MAPK pathways in LPS-induced HNPCs. Furthermore, TLR2 overexpression partially offset the impacts of S1PR3 overexpression on HNPC viability, apoptosis level, inflammation and as ECM degradation. In conclusion, STAT3 overexpression suppressed viability injury, the inflammatory response and the level of apoptosis and alleviated ECM protein deposition in HNPCs through the TLR2/STAT3 and TLR2/MAPK pathways, which may offer a promising candidate for the amelioration of intervertebral disc degeneration.
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Affiliation(s)
- Zhen Tian
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Haoran Gao
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Wenjun Xia
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Zhaohui Lou
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. 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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Li M, Yu X, Chen X, Jiang Y, Zeng Y, Ren R, Nie M, Zhang Z, Bao Y, Kang H. Genkwanin alleviates intervertebral disc degeneration via regulating ITGA2/PI3K/AKT pathway and inhibiting apoptosis and senescence. Int Immunopharmacol 2024; 133:112101. [PMID: 38640717 DOI: 10.1016/j.intimp.2024.112101] [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: 02/01/2024] [Revised: 04/07/2024] [Accepted: 04/13/2024] [Indexed: 04/21/2024]
Abstract
Intervertebral disc degeneration (IVDD) is a progressive degenerative disease influenced by various factors. Genkwanin, a known anti-inflammatory flavonoid, has not been explored for its potential in IVDD management. This study aims to investigate the effects and mechanisms of genkwanin on IVDD. In vitro, cell experiments revealed that genkwanin dose-dependently inhibited Interleukin-1β-induced expression levels of inflammatory factors (Interleukin-6, inducible nitric oxide synthase, cyclooxygenase-2) and degradation metabolic protein (matrix metalloproteinase-13). Concurrently, genkwanin upregulated the expression of synthetic metabolism genes (type II collagen, aggrecan). Moreover, genkwanin effectively reduced the phosphorylation of phosphatidylinositol 3-kinase (PI3K)/AKT/mammalian target of rapamycin, mitogen-activated protein kinase (MAPK), and nuclear factor-κB (NF-κB) pathways. Transcriptome sequencing analysis identified integrin α2 (ITGA2) as a potential target of genkwanin, and silencing ITGA2 reversed the activation of PI3K/AKT pathway induced by Interleukin-1β. Furthermore, genkwanin alleviated Interleukin-1β-induced senescence and apoptosis in nucleus pulposus cells. In vivo animal experiments demonstrated that genkwanin mitigated the progression of IVDD in the rat model through imaging and histological examinations. In conclusion, This study suggest that genkwanin inhibits inflammation in nucleus pulposus cells, promotes extracellular matrix remodeling, suppresses cellular senescence and apoptosis, through the ITGA2/PI3K/AKT, NF-κB and MAPK signaling pathways. These findings indicate that genkwanin may be a promising therapeutic candidate for IVDD.
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Affiliation(s)
- Mengwei Li
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Xiaojun Yu
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China; Shaanxi Key Laboratory of Spine Bionic Treatment, Xi'an, Shaanxi, China
| | - Xin Chen
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yongqiao Jiang
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yunqian Zeng
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Ranyue Ren
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Mingbo Nie
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Ziyang Zhang
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yuan Bao
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| | - Hao Kang
- Department of Orthopaedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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Zeng P, Zheng X, Zhang H, Zhou M, Chen Z, Song H, Xu W. Circular RNA KIAA0564 Serves as a Competitive Endogenous RNA for MicroRNA-424-5p, Mediating the Expression of Lysine Demethylase 4a, Thereby Facilitating Intervertebral Disc Degeneration. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04962-y. [PMID: 38691277 DOI: 10.1007/s12010-024-04962-y] [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: 04/16/2024] [Indexed: 05/03/2024]
Abstract
A growing body of research has confirmed the involvement of circular RNAs (circRNAs) in the regulation of intervertebral disc degeneration (IDD) progression. However, the underlying molecular networks remain largely elusive. This study aimed to explore whether a novel circRNA, named circKIAA0564, affects nucleus pulposus (NP) cell injury and to elucidate its molecular mechanism. Both in vivo and in vitro IDD models were established, and the expression patterns of circKIAA0564/miR-424-5p/lysine demethylase 4a (KDM4A) were evaluated through quantitative reverse transcription PCR and Western blot analysis. Actinomycin D, RNase R, and Northern blotting were utilized to assess the circular structure of circKIAA0564. The Cell Counting Kit-8, flow cytometry, enzyme-linked immunosorbent assay, commercial assay kits, Western blotting, and reactive oxygen species (ROS) probes were employed to assess the inflammatory and oxidative stress status in NP cells and tissues. Hematoxylin and eosin and TUNEL staining were used to evaluate pathological damage in mouse NP tissues. RNA immunoprecipitation and dual-luciferase reporter assays were conducted to assess the direct targeting relationships among circKIAA0564, miR-424-5p, and KDM4A. CircKIAA0564 was found to be abnormally overexpressed in IDD, functioning as a novel circRNA. Knockdown of circKIAA0564 ameliorated interleukin-1 beta (IL-1β)-induced inflammation and oxidative stress in NP cells. The therapeutic effect of circKIAA0564 knockdown on NP cells was reversed by the silencing of miR-424-5p. Overexpression of circKIAA0564 exacerbated IL-1β-induced NP cell injury, a process that was reversed by knockdown of KDM4A. CircKIAA0564 activated the toll-like receptor 4 (TLR4)/nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB)/NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) signaling pathway by regulating the miR-424-5p/KDM4A axis. CircKIAA0564 exacerbates IL-1β-induced inflammation and oxidative stress in NP cells by competitively binding miR-424-5p, thereby mediating KDM4A and activating the TLR4/NF-κB/NLRP3 signaling pathway. These findings provide robust data support for targeted therapy of IDD and the development of future pharmaceuticals.
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Affiliation(s)
- Peng Zeng
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - XianBo Zheng
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - Hui Zhang
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - MingHan Zhou
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - Zhen Chen
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - HanLin Song
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China
| | - WuJi Xu
- Department of Orthopedics II, The Second Affiliated Hospital of Hunan University of Chinese Medicine, No.233, Cai E North Road, Kaifu District, Changsha City, 410005, Hunan, China.
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10
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Xia Y, Wu Y, Gong Y, Yue C, Tao L, Xin T, Shen C, Zhu Y, Shen M, Shen J. Brachyury promotes extracellular matrix synthesis through transcriptional regulation of Smad3 in nucleus pulposus. Am J Physiol Cell Physiol 2024; 326:C1384-C1397. [PMID: 38690917 DOI: 10.1152/ajpcell.00475.2023] [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: 09/21/2023] [Revised: 01/18/2024] [Accepted: 02/20/2024] [Indexed: 05/03/2024]
Abstract
Metabolic dysfunction of the extracellular matrix (ECM) is one of the primary causes of intervertebral disc degeneration (IVDD). Previous studies have demonstrated that the transcription factor Brachyury (Bry) has the potential to promote the synthesis of collagen II and aggrecan, while the specific mechanism is still unknown. In this study, we used a lipopolysaccharide (LPS)-induced model of nucleus pulposus cell (NPC) degeneration and a rat acupuncture IVDD model to elucidate the precise mechanism through which Bry affects collagen II and aggrecan synthesis in vitro and in vivo. First, we confirmed Bry expression decreased in degenerated human nucleus pulposus (NP) cells (NPCs). Knockdown of Bry exacerbated the decrease in collagen II and aggrecan expression in the lipopolysaccharide (LPS)-induced NPCs degeneration in vitro model. Bioinformatic analysis indicated that Smad3 may participate in the regulatory pathway of ECM synthesis regulated by Bry. Chromatin immunoprecipitation followed by quantitative polymerase chain reaction (ChIP-qPCR) and luciferase reporter gene assays demonstrated that Bry enhances the transcription of Smad3 by interacting with a specific motif on the promoter region. In addition, Western blot and reverse transcription-qPCR assays demonstrated that Smad3 positively regulates the expression of aggrecan and collagen II in NPCs. The following rescue experiments revealed that Bry-mediated regulation of ECM synthesis is partially dependent on Smad3 phosphorylation. Finally, the findings from the in vivo rat acupuncture-induced IVDD model were consistent with those obtained from in vitro assays. In conclusion, this study reveals that Bry positively regulates the synthesis of collagen II and aggrecan in NP through transcriptional activation of Smad3.NEW & NOTEWORTHY Mechanically, in the nucleus, Bry enhances the transcription of Smad3, leading to increased expression of Smad3 protein levels; in the cytoplasm, elevated substrate levels further lead to an increase in the phosphorylation of Smad3, thereby regulating collagen II and aggrecan expression. Further in vivo experiments provide additional evidence that Bry can alleviate IVDD through this mechanism.
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Affiliation(s)
- Yanzhang Xia
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
| | - Yinghui Wu
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
| | - Yuhao Gong
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
| | - Caichun Yue
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
| | - Linfeng Tao
- Department of Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Tianwen Xin
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
| | - Cong Shen
- State Key Laboratory of Reproductive Medicine, Center for Reproduction and Genetics, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Yue Zhu
- Department of Breast and Thyroid Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Minghong Shen
- Department of Pathology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
| | - Jun Shen
- Department of Orthopedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, People's Republic of China
- Suzhou Key Laboratory of Orthopedic Medical Engineering, Suzhou University, Suzhou, People's Republic of China
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11
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Yang J, Wu J, Lu H, Wang J, Hou Z. Hotspot Analysis and Frontier Exploration of Stem Cell Research in Intervertebral Disc Regeneration and Repair: A Bibliometric and Visualization Study. World Neurosurg 2024; 184:e613-e632. [PMID: 38367857 DOI: 10.1016/j.wneu.2024.02.003] [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: 12/19/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/19/2024]
Abstract
BACKGROUND Stem cells have shown tremendous potential and vast prospects in the research of intervertebral disc (IVD) regeneration and repair, attracting considerable attention in recent years. In this study, a bibliometric analysis and visualization techniques were employed to probe and analyze the hotspots and frontiers of stem cell research in IVD regeneration and repair, aiming to provide valuable references and insights for further investigations. METHODS This study utilized the Science Citation Index Expanded from the Web of Science Core Collection database to retrieve and extract relevant literature records as research samples. Visual analysis tools such as VOSviewer 1.6.19, CiteSpace 6.2.R4, and bibliometric online analysis platforms were employed to construct scientific knowledge maps, providing a comprehensive and systematic exposition from various perspectives including collaboration networks, cocitation networks, and co-occurrence networks. RESULTS A total of 1075 relevant studies have been published in 303 journals by 4181 authors from 1198 institutions across 54 countries/regions. Over the past 20 years, the field of research has witnessed a significant growth in annual publications and citations. China and the United States have emerged as the primary participants and contributors, with the AO Research Institute Davos, Zhejiang University, and Tokai University being the top 3 leading research institutions. The most productive and highly cited author is Sakai D, who is regarded as a key leader in this research field. The journals with the highest number of publications and citations are Spine and Biomaterials, which are considered to be high-quality and authoritative core journals in this field. The current research focuses primarily on the sources and selection of stem cells, optimization of transplantation strategies, mechanisms of IVD regeneration, and the combined application of stem cells and biomaterials. However, there are still some challenges that need to be addressed, including posttransplantation stability, assessment of regenerative effects, and translation into clinical applications. Future research will concentrate on the diversity of stem cell sources, the application of novel biomaterials, personalized treatments, and the development of gene editing technologies, among other cutting-edge directions. CONCLUSIONS This study utilized bibliometric analysis and visualization techniques to unveil the hotspots and frontiers in the research on stem cells for IVD regeneration and repair. These research findings provide essential guidance and references for further experimental design and clinical applications. However, additional experiments and clinical studies are still needed to address the challenges and difficulties faced in the field of IVD regeneration and repair, thus offering novel strategies and approaches for the treatment of IVD diseases.
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Affiliation(s)
- Jiali Yang
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China; Department of Orthopedics and Traumatology, Yancheng TCM Hospital, Yancheng, China
| | - Jiaojiao Wu
- Xiangyu Pharmaceutical Co., Ltd., Linyi, China
| | - Hua Lu
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China; Department of Orthopedics and Traumatology, Yancheng TCM Hospital, Yancheng, China
| | - Jing Wang
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China; Department of Orthopedics and Traumatology, Yancheng TCM Hospital, Yancheng, China
| | - Zhaomeng Hou
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China; Department of Orthopedics and Traumatology, Yancheng TCM Hospital, Yancheng, China.
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12
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Hu Y, Yang R, Liu S, Song Z, Wang H. The Emerging Roles of Nanocarrier Drug Delivery System in Treatment of Intervertebral Disc Degeneration-Current Knowledge, Hot Spots, Challenges and Future Perspectives. Drug Des Devel Ther 2024; 18:1007-1022. [PMID: 38567254 PMCID: PMC10986407 DOI: 10.2147/dddt.s448807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/09/2024] [Indexed: 04/04/2024] Open
Abstract
Low back pain (LBP) is a common condition that has substantial consequences on individuals and society, both socially and economically. The primary contributor to LBP is often identified as intervertebral disc degeneration (IVDD), which worsens and leads to significant spinal problems. The conventional treatment approach for IVDD involves physiotherapy, drug therapy for pain management, and, in severe cases, surgery. However, none of these treatments address the underlying cause of the condition, meaning that they cannot fundamentally reverse IVDD or restore the mechanical function of the spine. Nanotechnology and regenerative medicine have made significant advancements in the field of healthcare, particularly in the area of nanodrug delivery systems (NDDSs). These approaches have demonstrated significant potential in enhancing the efficacy of IVDD treatments by providing benefits such as high biocompatibility, biodegradability, precise drug delivery to targeted areas, prolonged drug release, and improved therapeutic results. The advancements in different NDDSs designed for delivering various genes, cells, proteins and therapeutic drugs have opened up new opportunities for effectively addressing IVDD. This comprehensive review provides a consolidated overview of the recent advancements in the use of NDDSs for the treatment of IVDD. It emphasizes the potential of these systems in overcoming the challenges associated with this condition. Meanwhile, the insights and ideas presented in this review aim to contribute to the advancement of precise IVDD treatment using NDDSs.
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Affiliation(s)
- Yunxiang Hu
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian City, Liaoning Province, People’s Republic of China
- School of Graduates, Dalian Medical University, Dalian City, Liaoning Province, People’s Republic of China
| | - Rui Yang
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian City, Liaoning Province, People’s Republic of China
- School of Graduates, Dalian Medical University, Dalian City, Liaoning Province, People’s Republic of China
| | - Sanmao Liu
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian City, Liaoning Province, People’s Republic of China
- School of Graduates, Dalian Medical University, Dalian City, Liaoning Province, People’s Republic of China
| | - Zefeng Song
- School of Graduates, Dalian University of Technology, Dalian City, Liaoning Province, People’s Republic of China
| | - Hong Wang
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian City, Liaoning Province, People’s Republic of China
- School of Graduates, Dalian Medical University, Dalian City, Liaoning Province, People’s Republic of China
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13
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Li S, Du J, Huang Y, Gao S, Zhao Z, Chang Z, Zhang X, He B. From hyperglycemia to intervertebral disc damage: exploring diabetic-induced disc degeneration. Front Immunol 2024; 15:1355503. [PMID: 38444852 PMCID: PMC10912372 DOI: 10.3389/fimmu.2024.1355503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/05/2024] [Indexed: 03/07/2024] Open
Abstract
The incidence of lumbar disc herniation has gradually increased in recent years, and most patients have symptoms of low back pain and nerve compression, which brings a heavy burden to patients and society alike. Although the causes of disc herniation are complex, intervertebral disc degeneration (IDD) is considered to be the most common factor. The intervertebral disc (IVD) is composed of the upper and lower cartilage endplates, nucleus pulposus, and annulus fibrosus. Aging, abnormal mechanical stress load, and metabolic disorders can exacerbate the progression of IDD. Among them, high glucose and high-fat diets (HFD) can lead to fat accumulation, abnormal glucose metabolism, and inflammation, which are considered important factors affecting the homeostasis of IDD. Diabetes and advanced glycation end products (AGEs) accumulation- can lead to various adverse effects on the IVD, including cell senescence, apoptosis, pyroptosis, proliferation, and Extracellular matrix (ECM) degradation. While current research provides a fundamental basis for the treatment of high glucose-induced IDD patients. further exploration into the mechanisms of abnormal glucose metabolism affecting IDD and in the development of targeted drugs will provide the foundation for the effective treatment of these patients. We aimed to systematically review studies regarding the effects of hyperglycemia on the progress of IDD.
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Affiliation(s)
- Shuai Li
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Medical College, Yan’an University, Yan’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Jinpeng Du
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Yunfei Huang
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Shenglong Gao
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Medical College, Yan’an University, Yan’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Zhigang Zhao
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Zhen Chang
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - Xuefang Zhang
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
| | - BaoRong He
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Youyidong Road, Xi’an, Shaanxi, China
- Shaanxi Key Laboratory of Spine Bionic Treatment, Xi’an, Shaanxi, China
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14
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Huang G, Shen H, Xu K, Shen Y, Jiale Jin, Chu G, Xing H, Feng Z, Wang Y. Single-Cell Microgel Encapsulation Improves the Therapeutic Efficacy of Mesenchymal Stem Cells in Treating Intervertebral Disc Degeneration via Inhibiting Pyroptosis. RESEARCH (WASHINGTON, D.C.) 2024; 7:0311. [PMID: 38371273 PMCID: PMC10871001 DOI: 10.34133/research.0311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/14/2024] [Indexed: 02/20/2024]
Abstract
While mesenchymal stem cell (MSC) shows great potentials in treating intervertebral disc degeneration, most MSC die soon after intradiscal transplantation, resulting in inferior therapeutic efficacy. Currently, bulk hydrogels are the common solution to improve MSC survival in tissues, although hydrogel encapsulation impairs MSC migration and disrupts extracellular microenvironment. Cell hydrogel encapsulation has been proposed to overcome the limitation of traditional bulk hydrogels, yet this technique has not been used in treating disc degeneration. Using a layer-by-layer self-assembly technique, we fabricated alginate and gelatin microgel to encapsulate individual MSC for treating disc degeneration. The small size of microgel allowed intradiscal injection of coated MSC. We demonstrated that pyroptosis was involved in MSC death under oxidative stress stimulation, and microgel coating suppressed pyroptosis activation by maintaining mitochondria homeostasis. Microgel coating protected MSC in the harsh disc microenvironment, while retaining vital cellular functions such as migration, proliferation, and differentiation. In a rat model of disc degeneration, coated MSC exhibits prolonged retention in the disc and better efficacy of attenuating disc degeneration, as compared with bare MSC treatment alone. Further, microgel-coated MSC exhibited improved therapeutic effects in treating disc degeneration via suppressing the activation of pyroptosis in the disc. For the first time, microgel-encapsulated MSC was used to treat disc degeneration and obtain encouraging outcomes. The developed biocompatible single-cell hydrogel is an effective strategy to protect MSC and maintain cellular functions and may be an efficacious approach to improving the efficacy of MSC therapy in treating disc degeneration. The objective of this study is to improve the efficacy of cell therapy for treating disc degeneration using single-cell hydrogel encapsulation and further to understand related cytoprotective mechanisms.
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Affiliation(s)
- Guanrui Huang
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Haotian Shen
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Kaiwang Xu
- Zhejiang University, Hangzhou 310058, China
| | - Yifan Shen
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jiale Jin
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Guangyu Chu
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Hongyuan Xing
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Zhiyun Feng
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Yue Wang
- Department of Orthopedic Surgery, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
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15
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Qiu R, Cai K, Zhang K, Ying Y, Hu H, Jiang G, Luo K. The current status and development trend of hydrogel application in spinal surgery. J Mater Chem B 2024; 12:1730-1747. [PMID: 38294330 DOI: 10.1039/d3tb02613b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Spinal diseases often result in compromised mobility and diminished quality of life due to the intricate anatomy surrounding the nervous system. Medication and surgical interventions remain the primary treatment methods for spinal conditions. However, currently available medications have limited efficacy in treating spinal surgical diseases and cannot achieve a complete cure. Furthermore, surgical intervention frequently results in inevitable alterations and impairments to the initial anatomical integrity of the spinal structure, accompanied by the consequential loss of certain physiological functionalities. Changes in spine surgery treatment concepts and modalities in the last decade have led to a deepening of minimally invasive treatment, with treatment strategies focusing more on repairing and reconstructing the patient's spine and preserving physiological functions. Therefore, developing novel and more efficient treatment strategies to reduce spinal lesions and iatrogenic injuries is essential. In recent years, significant advancements in biomedical research have led to the discovery that hydrogels possess excellent biocompatibility, biodegradability, and adjustable mechanical properties. The application of hydrogel-based biotechnology in spinal surgery has demonstrated remarkable therapeutic potential. This review presents the therapeutic strategies for spinal diseases based on hydrogel tissue engineering technology.
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Affiliation(s)
- Rongzhang Qiu
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Kaiwen Cai
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Kai Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Yijian Ying
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Hangtian Hu
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Guoqiang Jiang
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Kefeng Luo
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
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Ye S, Chen R, Shi J, Wu Y. The most influential articles on stem cells in intervertebral disc degeneration. BMC Musculoskelet Disord 2024; 25:116. [PMID: 38331829 PMCID: PMC10851499 DOI: 10.1186/s12891-024-07253-z] [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: 07/28/2023] [Accepted: 02/02/2024] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND Stem cell-related studies have been increasingly conducted to facilitate the regeneration of degenerative discs. However, analyses of high-impact articles focused on this topic are rare. This study aimed to determine and summarize the most-cited studies examining stem cells in the context of intervertebral disc degeneration (IDD). METHODS We searched the Web of Science (WoS) database for stem cell-related articles in IDD, and the 50 highest-cited papers were summarized. A correlation analysis was conducted to determine the relationship among WoS citations, Altmetric Attention Score (AAS), and Dimensions. RESULTS The number of citations of the top 50 manuscripts ranged from 92 to 370. The top three countries were the United States (14), China (10), and Japan (9). Spine (12) was the most prevalent journal, and this was followed by Biomaterials (6). Bone marrow-derived stem cells were the most common subject (38), and they were followed by nucleus pulposus-derived stem cells (4) and annulus fibrosus-derived stem cells (4). Humans were the most studied species (31), and the next most studied were rabbits (9) and rats (7). There was a very high correlation between WoS and Dimension citations (p < 0.001, r = 0.937). CONCLUSIONS For the first time, the highest impact articles examining stem cells in the context of IDD were assessed together. The current study provides a deepened understanding of historical studies focused on stem cells in IDD and is beneficial for future studies in this field.
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Affiliation(s)
- Shuxi Ye
- Department of Spine Surgery, Ganzhou People's Hospital, No 16, Meiguan Road, Ganzhou, 341099, China
| | - Rongchun Chen
- Department of Spine Surgery, Ganzhou People's Hospital, No 16, Meiguan Road, Ganzhou, 341099, China
| | - Jiangyou Shi
- Department of Spine Surgery, Ganzhou People's Hospital, No 16, Meiguan Road, Ganzhou, 341099, China.
| | - Yaohong Wu
- Department of Spine Surgery, Ganzhou People's Hospital, No 16, Meiguan Road, Ganzhou, 341099, China.
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Li QW, Guo RC, Wu ZM, Shen CL. Potential Use of Extracellular Vesicles in the Treatment of Intervertebral Disc Degeneration. Tissue Eng Part C Methods 2024; 30:73-84. [PMID: 37930732 DOI: 10.1089/ten.tec.2023.0254] [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] [Indexed: 11/07/2023] Open
Abstract
Intervertebral disc degeneration (IVDD) is a major cause of low back pain, and several studies have evaluated the efficacy of extracellular vesicles (EVs) in the treatment of IVDD. The databases PubMed, Embase, and Cochrane Library were systematically searched from inception to the end of 2022 to identify studies investigating the therapeutic potential of cell-derived EVs for IVDD treatment. The following outcome measures were utilized: magnetic resonance imaging (MRI) Pfirrmann grading system, disc height index (DHI), histological grading, and apoptosis rate. A comprehensive meta-analysis was conducted, including a total of 13 articles comprising 19 studies involving 218 experimental animals. Comparative analysis between normal cell-derived EVs and placebo revealed significant reductions in MRI grade, increased DHI values, decreased nucleus pulposus cell apoptosis rates, and improved tissue grades. These findings collectively demonstrate the effective inhibition of IVDD through the application of EVs derived from cells. In conclusion, this study provides an updated synthesis of evidence supporting the efficacy of EVs as a promising therapeutic approach for IVDD treatment.
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Affiliation(s)
- Qiu-Wei Li
- Department of Orthopedics and Spine Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Ruo-Cheng Guo
- Department of Orthopedics and Spine Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zuo-Meng Wu
- Department of Orthopedics and Spine Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Cai-Liang Shen
- Department of Orthopedics and Spine Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
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18
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Shen M, Li K, Wang L, Feng L, Zhang X, Zhang H, Zhou H, Pei G. ZIP4 upregulation aggravates nucleus pulposus cell degradation by promoting inflammation and oxidative stress by mediating the HDAC4-FoxO3a axis. Aging (Albany NY) 2024; 16:685-700. [PMID: 38217540 PMCID: PMC10817398 DOI: 10.18632/aging.205412] [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: 07/06/2023] [Accepted: 10/18/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND Extracellular matrix metabolism dysregulation in nucleus pulposus (NP) cells represents a crucial pathophysiological feature of intervertebral disc degeneration (IDD). Our study elucidates the role and mechanism of Testis expressed 11 (TEX11, also called ZIP4) extracellular matrix degradation in the NP. MATERIALS AND METHODS Interleukin-1β (IL-1β) and H2O2 were used to treat NP cells to establish an IDD cell model. Normal NP tissues and NP tissues from IDD patients were harvested. ZIP4 mRNA and protein profiles in NP cells and tissues were examined. Enzyme-linked immunosorbent assay (ELISA) confirmed the profiles of TNF-α, IL-6, MDA, and SOD in NP cells. The alterations of reactive oxygen species (ROS), lactate dehydrogenase (LDH), COX2, iNOS, MMP-3, MMP-13, collagen II, aggrecan, FoxO3a, histone deacetylase 4 (HDAC4), Sirt1 and NF-κB levels in NP cells were determined using different assays. RESULTS The ZIP4 profile increased in the NP tissues of IDD patients and IL-1β- or H2O2-treated NP cells. ZIP4 upregulation bolstered inflammation and oxidative stress in NP cells undergoing IL-1β treatment and exacerbated their extracellular matrix degradation, whereas ZIP4 knockdown produced the opposite outcome. Mechanistically, ZIP4 upregulated HDAC4 and enhanced NF-κB phosphorylation while repressing Sirt1 and FoxO3a phosphorylation levels. HDAC4 knockdown or Sirt1 promotion attenuated the effects mediated by ZIP4 overexpression in NP cells. CONCLUSIONS ZIP4 upregulation aggravates the extracellular matrix (ECM) degradation of NP cells by mediating inflammation and oxidative stress through the HDAC4-FoxO3a axis.
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Affiliation(s)
- Mingkui Shen
- Intervertebral Disc Center, Third Hospital of Henan Province, Zhengzhou 450006, Henan, China
| | - Kuankuan Li
- Intervertebral Disc Center, Third Hospital of Henan Province, Zhengzhou 450006, Henan, China
| | - Lulu Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Li Feng
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xinyu Zhang
- Intervertebral Disc Center, Third Hospital of Henan Province, Zhengzhou 450006, Henan, China
| | - Haoping Zhang
- Intervertebral Disc Center, Third Hospital of Henan Province, Zhengzhou 450006, Henan, China
| | - Honggang Zhou
- Intervertebral Disc Center, Third Hospital of Henan Province, Zhengzhou 450006, Henan, China
| | - Guoxian Pei
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
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19
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Chung YH, Hu MH, Kao SC, Kao YH, Wang FH, Hsieh CY, Shen CI, Chuang CH, Chen DWC, Kuo CC, Su HL, Lin CL. Preclinical Animal Study and Pilot Clinical Trial of Using Enriched Peripheral Blood-Derived Mononuclear Cells for Intervertebral Disc Degeneration. Cell Transplant 2024; 33:9636897231219733. [PMID: 38173231 PMCID: PMC10768619 DOI: 10.1177/09636897231219733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/24/2023] [Accepted: 11/24/2023] [Indexed: 01/05/2024] Open
Abstract
Low back pain (LBP) is a leading cause of long-term disability globally. Intervertebral disk degeneration (IVDD) is mainly responsible for discogenic pain in LBP-affected young patients. There is no effective therapy to reverse disease severity and IVDD progression. This study investigates the effect of human peripheral blood-derived mononuclear cells (PBMCs) on pain relief and life quality improvement in IVDD patients. The enriched monocytes of the PBMCs could differentiate into CD14 and CD206 double-positive M2 macrophages in vitro. Preclinical evidence in rats showed that the transplanted PBMCs exhibited anti-inflammatory and moderate tissue-repair effects on controlling IVDD progress in the rat model. The PBMCs significantly steered the aggrecan and type II collagen expressions and attenuated the pro-inflammatory cytokines in the affected disk. Based on the animal results, 36 patients with chronic low back pain (CLBP) were included in clinical trials. The control group was conservative care only, and the experimental group was platelet-rich plasma (PRP) and PBMCs intradiscal injections. We first confirmed the single lumbar disk causing the discogenic pain by provocative discography or magnetic resonance imaging (MRI). Discogenic LBP participants received one intradiscal injection of autologous PBMCs and followed for 6 months. Our clinical trial showed that patients' LBP and disability were significantly ameliorated after the PBMCs transplantation rather than PRP. These preclinical and pilot clinical studies indicate that intradiscal injection of the enriched PBMCs might be a feasible and potential cell therapy to control pain and disability in IVDD patients.
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Affiliation(s)
- Yu-Hsuan Chung
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Ming-Hsien Hu
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- Bachelor’s Program of Design and Materials for Medical Equipment and Devices, College of Nursing and Health Sciences, Da-Yeh University, Changhua, Taiwan
- College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Shang-Chyi Kao
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Ying-Hsien Kao
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Fu-Hui Wang
- Duogenic StemCells Corporation, Taichung, Taiwan
| | | | - Ching-I Shen
- Duogenic StemCells Corporation, Taichung, Taiwan
| | - Chang-Han Chuang
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan
- PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Dave Wei-Chih Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital-Keelung, Keelung, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chi-Chung Kuo
- Department of Neurology, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien, Taiwan
| | - Hong-Lin Su
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
- Duogenic StemCells Corporation, Taichung, Taiwan
| | - Chih-Lung Lin
- Department of Neurosurgery, Asia University Hospital, Taichung, Taiwan
- Department of Occupational Therapy, Asia University, Taichung, Taiwan
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20
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Wang HS, Lin S, Yu HM. Exosome-mediated Repair of Intervertebral Disc Degeneration: The Potential Role of miRNAs. Curr Stem Cell Res Ther 2024; 19:798-808. [PMID: 37150986 DOI: 10.2174/1574888x18666230504094233] [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: 12/04/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 05/09/2023]
Abstract
Intervertebral disc degeneration (IVDD) is a serious condition that manifests as low back pain, intervertebral disc protrusion, and spinal canal stenosis. At present, the main treatment methods for IVDD are surgical interventions such as discectomy, total disc replacement, and spinal fusion. However, these interventions have shown limitations, such as recurrent lumbar disc herniation after discectomy, lesions in adjacent segments, and failure of fixation. To overcome these shortcomings, researchers have been exploring stem cell transplantation therapy, such as mesenchymal stem cell (MSC) transplantation, but the treatment results are still controversial. Therefore, researchers are in search of new methods that are more efficient and have better outcomes. The exosomes from stem cells contain a variety of bioactive molecules that mediate cell interactions, and these components have been investigated for their potential therapeutic role in the repair of various tissue injuries. Recent studies have shown that MSC-derived miRNAs in exosomes and vesicles have therapeutic effects on nucleus pulposus cells, annulus fibrosus, and cartilage endplate. miRNAs play a role in many cell activities, such as cell proliferation, apoptosis, and cytokine release, by acting on mRNA translation, and they may have immense therapeutic potential, especially when combined with stem cell therapy. This article reviews the current status of research on intervertebral disc repair, especially with regard to the latest research findings on the molecular biological mechanisms of miRNAs in MSC-derived exosomes in intervertebral disc repair.
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Affiliation(s)
- Han-Shi Wang
- Department of Orthopaedic, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
| | - Shu Lin
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
- Group of Neuroendocrinology, Garvan Institute of Medical Research, Sydney, Australia
| | - Hai-Ming Yu
- Department of Orthopaedic, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
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21
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Wilson JE, Today BA, Salazar M, Kuo J, Ransom JT, Lightner AL, Chen G, Wong A. Safety of bone marrow derived mesenchymal stem cell extracellular vesicle injection for lumbar facet joint pain. Regen Med 2024; 19:19-26. [PMID: 38327218 DOI: 10.2217/rme-2023-0110] [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] [Indexed: 02/09/2024] Open
Abstract
Aim: A 3-month pilot study to evaluate the safety of injecting a bone marrow-derived mesenchymal stem cell extracellular vesicle advanced investigational product (IP) into the lumbar facet joint space as a treatment for chronic low back pain. Methods: 20 healthy adults were treated with IP injections (0.5 ml/joint) and evaluated by three functional assessments 1, 3, 7, 14, 30, 60 and 90 days later. Results: No adverse effects or complications occurred across the 3-month follow-up. There were no reports of worsening pain. After 3 months group average scores improved significantly (p < 0.0001) in the Severity Index (65.04%), Interference Index (72.09%) and Oswestry Disability Index (58.43%) assessments. Conclusion: IP injections were safe and associated with significant functional improvements.
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Affiliation(s)
- James E Wilson
- Interventional Pain Specialists, 28604 Ravine Circle, Covert, MI 49043, USA
| | - Bobbie A Today
- Interventional Pain Specialists, 28604 Ravine Circle, Covert, MI 49043, USA
| | - Maria Salazar
- Interventional Pain Specialists, 28604 Ravine Circle, Covert, MI 49043, USA
| | | | - John T Ransom
- Direct Biologics, 5301 Southwest Parkway, Building 1, Suite 415, Austin, TX 78735, USA
| | - Amy L Lightner
- Direct Biologics, 5301 Southwest Parkway, Building 1, Suite 415, Austin, TX 78735, USA
| | - Grace Chen
- Hudson Medical Group, 160 7th Ave S, NY 10014, USA
| | - Anita Wong
- Hudson Medical Group, 160 7th Ave S, NY 10014, USA
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22
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Duan Y, Yu C, Kuang W, Li J, Qiu S, Ni S, Chen Z. Mesenchymal stem cell exosomes inhibit nucleus pulposus cell apoptosis via the miR-125b-5p/TRAF6/NF-κB pathway axis. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1938-1949. [PMID: 37964606 PMCID: PMC10753375 DOI: 10.3724/abbs.2023241] [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: 01/17/2023] [Accepted: 07/07/2023] [Indexed: 11/16/2023] Open
Abstract
Intervertebral disc degeneration (IVDD) is the pathological basis of a range of degenerative spinal diseases and is the primary cause of lower back pain. Mesenchymal stem cell (MSC) transplantation inhibits IVDD progression. However, the specific mechanisms that underlie these effects remain unclear. In this study, candidate microRNAs (miRNAs) are screened using bioinformatics and high-throughput sequencing. TNF-α is used to induce nucleus pulposus cell (NPC) degeneration. MSC-derived exosomes (MSC-exosomes) are obtained using high-speed centrifugation and identified by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA) and western blot analysis. Cell viability is determined by CCK-8 assay. Flow cytometry and TUNEL assays are used to detect cell apoptosis. The expression levels of miR-125b-5p are detected by RT-qPCR, and a dual-luciferase gene reporter assay confirms the downstream target genes of miR-125b-5p. Protein expression is determined by western blot analysis. Rat models are used to validate the function of miR-125b-5p in MSC-exosomes. The results show that miR-125b-5p is expressed at low levels in degenerated disc tissues compared with that in normal disc tissues; however, it is highly expressed in MSC-exosomes. Furthermore, MSC-exosomes are efficiently taken up by NPCs while miR-125b-5p is delivered into NPCs; thus, MSC-exosomes act as inhibitors of apoptosis in NPCs. Overexpression of miR-125b-5p downregulates TRAF6 expression and inhibits NF-κB activation. However, TRAF6 overexpression reverses these effects of miR-125b-5p. We demonstrate that MSC-exosomes attenuate IVDD in vivo by delivering miR-125b-5p. MSC-exosomes can deliver miR-125b-5p to target TRAF6, inhibit NF-κB activation, and attenuate the progression of IVDD.
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Affiliation(s)
- Yang Duan
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Cheng Yu
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Wenhao Kuang
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Jianjun Li
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Sujun Qiu
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Songjia Ni
- Department of Orthopedics and TraumatologyZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
| | - Zhong Chen
- Department of Spinal SurgeryZhujiang HospitalSouthern Medical UniversityGuangzhou510260China
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23
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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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24
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Guo D, Cheng K, Song C, Liu F, Cai W, Chen J, Mei Y, Zhou D, Gao S, Wang G, Liu Z. Mechanisms of inhibition of nucleus pulposus cells pyroptosis through SDF1/CXCR4-NFkB-NLRP3 axis in the treatment of intervertebral disc degeneration by Duhuo Jisheng Decoction. Int Immunopharmacol 2023; 124:110844. [PMID: 37647678 DOI: 10.1016/j.intimp.2023.110844] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/07/2023] [Accepted: 08/20/2023] [Indexed: 09/01/2023]
Abstract
Intervertebral disc degeneration (IVDD) is one of the leading causes of lower back pain and the most common health problem in the world. Inflammasomes, which is mainly caused by NLRP3, mediated nucleus pulposus pyroptosis has been discovered to be strongly related to IVDD. In addition, Duhuo Jisheng Decoction (DHJSD) has anti-inflammatory and regulatory effects on NLRP3 inflammasome, but the molecular mechanism of whether DHJSD can regulate pyroptosis through NLRP3 to treat IVDD is unclear. In this study, we used a bioinformatics way to discover the molecular mechanism of DHJSD regulation of pyroptosis in IVDD, and validated our predictions through vitro and vivo experiments. Through bioinformatics, we found that NLRP3, GSDMD, IL-1βand other hub proteins of pyroptosis were highly expressed in IVDD SD rats, and network pharmacology discovered that DHJSD may control cellular senescence, apoptosis, and pyroptosis in order to treat IVDD. Additional findings demonstrated that DHJSD could successfully treat IVDD brought on by imaging and histomorphological analysis. Western blot showed that NLRP3, a key protein of pyroptosis, was elevated in rat degenerated nucleus pulposus tissue and lipopolysaccharide-treated Nucleus pulposus Cells (NPCs), and that DHJSD intervention was effective in reducing LPS-induced inflammatory responses and further suppressing the expression of pyroptosis related proteins to improve IVDD. The specific mechanism is that DHJSD inhibits NPCs pyroptosis via the SDF-1/CXCR4-NF-kB-NLRP3 axis. In conclusion, we revealed the intrinsic mechanism of DHJSD regulation of NPCs pyroptosis to improve IVDD and its intrinsic value for IVDD treatment.
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Affiliation(s)
- Daru Guo
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Kang Cheng
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Chao Song
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Fei Liu
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China; RuiKang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Weiye Cai
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Jingwen Chen
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Yongliang Mei
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Daqian Zhou
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Silong Gao
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China
| | - Guoyou Wang
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China.
| | - Zongchao Liu
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), Laboratory of Integrated Chinese and Western Medicine for Orthopedic and Traumatic Diseases Prevention and Treatment, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China; Luzhou Longmatan District People's Hospital, Luzhou 646000, Sichuan Province, China.
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25
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Liu Y, Xue M, Han Y, Li Y, Xiao B, Wang W, Yu J, Ye X. Exosomes from M2c macrophages alleviate intervertebral disc degeneration by promoting synthesis of the extracellular matrix via MiR-124/CILP/TGF-β. Bioeng Transl Med 2023; 8:e10500. [PMID: 38023721 PMCID: PMC10658595 DOI: 10.1002/btm2.10500] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/16/2023] [Accepted: 01/27/2023] [Indexed: 02/18/2023] Open
Abstract
Immuno-inflammation is highly associated with anabolic and catabolic dysregulation of the extracellular matrix (ECM) in the nucleus pulposus (NP), which dramatically propels intervertebral disc degeneration (IVDD). With the characteristics of tissue remodeling and regeneration, M2c macrophages have attracted great attention in research on immune modulation that rebuilds degenerated tissues. Therefore, we first demonstrated the facilitating effects of M2c macrophages on ECM anabolism of the NP in vitro. We subsequently found that exosomes from M2c macrophages (M2c-Exoss) mediated their metabolic rebalancing effects on the ECM. To determine whether M2c-Exoss served as positive agents protecting the ECM in IVDD, we constructed an M2c-Exos-loaded hyaluronic acid hydrogel (M2c-Exos@HA hydrogel) and implanted it into the degenerated caudal disc of rats. The results of MRI and histological staining indicated that the M2c-Exos@HA hydrogel alleviated IVDD in vivo in the long term. To elucidate the underlying molecular mechanism, we performed 4D label-free proteomics to screen dysregulated proteins in NPs treated with M2c-Exoss. Cartilage intermediate layer protein (CILP) was the key protein responsible for the rebalancing effects of M2c-Exoss on ECM metabolism in the NP. With prediction and verification using luciferase assays and rescue experiments, miR-124-3p was identified as the upstream regulator in M2c-Exoss that regulated CILP and consequently enhanced the activity of the TGF-β/smad3 pathway. In conclusion, we demonstrated ameliorating effects of M2c-Exoss on the imbalance of ECM metabolism in IVDD via the miR-124/CILP/TGF-β regulatory axis, which provides a promising theoretical basis for the application of M2c macrophages and their exosomes in the treatment of IVDD.
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Affiliation(s)
- Yi Liu
- Department of OrthopaedicsSecond Affiliated Hospital of Naval Medical UniversityShanghaiPeople's Republic of China
- Department of OrthopedicsTongren Hospital, Shanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Mintao Xue
- Department of OrthopaedicsSecond Affiliated Hospital of Naval Medical UniversityShanghaiPeople's Republic of China
| | - Yaguang Han
- Department of OrthopaedicsSecond Affiliated Hospital of Naval Medical UniversityShanghaiPeople's Republic of China
| | - Yucai Li
- Department of OrthopedicsTongren Hospital, Shanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Bing Xiao
- Department of OrthopaedicsSecond Affiliated Hospital of Naval Medical UniversityShanghaiPeople's Republic of China
| | - Weiheng Wang
- Department of OrthopaedicsSecond Affiliated Hospital of Naval Medical UniversityShanghaiPeople's Republic of China
| | - Jiangming Yu
- Department of OrthopedicsTongren Hospital, Shanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Xiaojian Ye
- Department of OrthopedicsTongren Hospital, Shanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
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Yang L, Li Z, Zhang C, Li S, Chen L, Yang S, Guo Y. Psoralen synergizes with exosome-loaded SPC25 to alleviate senescence of nucleus pulposus cells in intervertebral disc degeneration. J Orthop Surg Res 2023; 18:622. [PMID: 37872583 PMCID: PMC10594823 DOI: 10.1186/s13018-023-04085-w] [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: 11/18/2022] [Accepted: 08/07/2023] [Indexed: 10/25/2023] Open
Abstract
OBJECTIVE To explore the mechanism of psoralen synergized with exosomes (exos)-loaded SPC25 on nucleus pulposus (NP) cell senescence in intervertebral disc degeneration (IVDD). METHODS IVDD cellular models were established on NP cells by tert-butyl hydroperoxide (TBHP) induction, followed by the treatment of psoralen or/and exos from adipose-derived stem cells (ADSCs) transfected with SPC25 overexpression vector (ADSCs-oe-SPC25-Exos). The viability, cell cycle, apoptosis, and senescence of NP cells were examined, accompanied by the expression measurement of aggrecan, COL2A1, Bcl-2, Bax, CDK2, p16, and p21. RESULTS After TBHP-induced NP cells were treated with psoralen or ADSCs-oe-SPC25-Exos, cell proliferation and the expression of aggrecan, COL2A1, Bcl-2, and CDK2 were promoted; however, the expression of Bax, p16, p21, and inflammatory factors was decreased, and cell senescence, cycle arrest, and apoptosis were inhibited. Of note, psoralen combined with ADSCs-oe-SPC25-Exos further decelerated NP cell senescence and cycle arrest compared to psoralen or ADSCs-oe-SPC25-Exos alone. CONCLUSION Combined treatment of psoralen and ADSCs-oe-SPC25-Exos exerted an alleviating effect on NP cell senescence, which may provide an insightful idea for IVDD treatment.
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Affiliation(s)
- Lei Yang
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Zhaoyong Li
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Chao Zhang
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Shuofu Li
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Long Chen
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Shaofeng Yang
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China
| | - Yantao Guo
- Department of Spine, The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, No. 95 Shaoshan Middle Road, Yuhua District, Changsha, 410007, Hunan, People's Republic of China.
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Jia Z, Zhang S, Li W. Harnessing Stem Cell-Derived Extracellular Vesicles for the Regeneration of Degenerative Bone Conditions. Int J Nanomedicine 2023; 18:5561-5578. [PMID: 37795043 PMCID: PMC10546935 DOI: 10.2147/ijn.s424731] [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: 06/07/2023] [Accepted: 09/23/2023] [Indexed: 10/06/2023] Open
Abstract
Degenerative bone disorders such as intervertebral disc degeneration (IVDD), osteoarthritis (OA), and osteoporosis (OP) pose significant health challenges for aging populations and lack effective treatment options. The field of regenerative medicine holds promise in addressing these disorders, with a focus on utilizing extracellular vesicles (EVs) derived from stem cells as an innovative therapeutic approach. EVs have shown great potential in stimulating biological responses, making them an attractive candidate for rejuvenating degenerative bone disorders. However, a comprehensive review summarizing the current state of this field and providing a clear assessment of EV-based therapies in degenerative bone disorders is currently deficient. In this review, we aim to fill the existing gap by outlining the current knowledge on the role of EVs derived from different types of stem cells, such as mesenchymal stem cells, embryonic stem cells, and induced pluripotent stem cells, in bone regeneration. Furthermore, we discuss the therapeutic potential of EV-based treatments for IVDD, OA, and OP. By substantiating the use of stem cell-derived EVs, we highlight their promising potential as a cell-free strategy to improve degenerative bone disorders.
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Affiliation(s)
- Zhiwei Jia
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 101100, People’s Republic of China
| | - Shunxin Zhang
- Department of Ultrasound, 2nd Medical Center of PLA General Hospital, Beijing, 100853, People’s Republic of China
| | - Wei Li
- Department of Sports Medicine, Fourth Medical Center of PLA General Hospital, Beijing, 100048, People’s Republic of China
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Qingxin S, Kai J, Dandan Z, Linyu J, Xiuyuan C, Yubo F, Kun W, Yingchao H, Hao C, Jie S, Zhi C, Hongxing S. Programmable DNA hydrogel provides suitable microenvironment for enhancing autophagy-based therapies in intervertebral disc degeneration treatment. J Nanobiotechnology 2023; 21:350. [PMID: 37759249 PMCID: PMC10537074 DOI: 10.1186/s12951-023-02109-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
The pathogenesis of intervertebral disc degeneration (IVDD) is attributed to metabolic dysregulation within the extracellular matrix and heightened apoptosis of nucleus pulposus cells (NPC). Therefore, a potential therapeutic strategy for managing IVDD involves the reestablishment of metabolic equilibrium within the extracellular matrix and the suppression of excessive myeloid cell apoptosis. The microRNA, miR-5590, displays marked differential expression in degenerative nucleus pulposus (NP) tissues and exerts a direct influence on the regulation of DDX5 expression. This, in turn, modulates mammalian target of rapamycin (mTOR) phosphorylation, thereby impacting autophagy and apoptosis. However, ensuring the smooth delivery of miRNA to a specific injury site poses a significant challenge. To address this issue, a multifunctional DNA hydrogel was developed and subsequently loaded with miR-5590 via spherical nucleic acids (SNAs) for the treatment of IVDD. The hydrogel, which exhibits versatility, has the potential to be administered through injection at the site of injury, resulting in a consistent and prolonged release of miR-5590. This leads to the creation of a genetic microenvironment within the NP, which triggers the onset of autophagy in NPCs and subsequently suppresses apoptosis. As a result, this process regulates the metabolic equilibrium within the extracellular matrix, thereby impeding the in vitro and in vivo progression of IVDD. The amalgamation of miRNAs and biomaterials offers a promising therapeutic strategy for the management of IVDD in clinical settings.
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Affiliation(s)
- Song Qingxin
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Jiang Kai
- Department of Ophthalmology and Vision Science, Ear, Nose and Throat Hospital, Shanghai Eye, Fudan University, Shanghai, China
| | - Zheng Dandan
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Jin Linyu
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, P. R. China
| | - Chen Xiuyuan
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Feng Yubo
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Wang Kun
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Han Yingchao
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Chen Hao
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China
| | - Song Jie
- Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- The Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, 310022, Zhejiang, China.
| | - Chen Zhi
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China.
| | - Shen Hongxing
- Department of Spine Surgery Renji Hospital, Shanghai JiaoTong University School of Medicine, 160 Pujian Road, Shanghai, 200127, P. R. China.
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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: 24] [Impact Index Per Article: 24.0] [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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Hu X, Wang Z, Zhang H, Cui P, Li Y, Chen X, Kong C, Wang W, Lu S. Single-cell sequencing: New insights for intervertebral disc degeneration. Biomed Pharmacother 2023; 165:115224. [PMID: 37516017 DOI: 10.1016/j.biopha.2023.115224] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/18/2023] [Accepted: 07/23/2023] [Indexed: 07/31/2023] Open
Abstract
Over the past decade, single-cell RNA sequencing (scRNA-seq) has revolutionized research on biological mechanisms of diseases. Moreover, this technique has been utilized to identify and characterize unique cell types and subpopulations, thereby illuminating cellular heterogeneity. The true value of scRNA-seq lies in its ability to detect transcriptional alterations or perturbed pathways within specific cell types under pathological conditions. In the context of intervertebral disc degeneration (IVDD), the pathophysiological foundation is largely rooted in inflammation. The primary target cells of IVDD are nucleus pulposus cells, annulus fibrosus cells, cartilage endplate cells, and macrophages. The advancements in scRNA-seq technology have triggered remarkable progress in IVDD treatment, leading to breakthroughs in the identification of cell subsets, functional analysis, novel therapeutic targets, and the differentiation and development of various cell types. This review is the first of its kind to introduce the application of scRNA-seq techniques in IVDD, with a focus on the most recent scRNA-seq studies that have defined the populations of various cell types and specific cell-cell interactions in IVDD. Furthermore, we highlight several promising future research directions for scRNA-seq in IVDD.
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Affiliation(s)
- Xinli Hu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Zheng Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Haojie Zhang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Peng Cui
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Yongjin Li
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Xiaolong Chen
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Chao Kong
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
| | - Wei Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
| | - Shibao Lu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
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Zhang J, He L, Li Q, Gao J, Zhang E, Feng H. EGR1 knockdown confers protection against ferroptosis and ameliorates intervertebral disc cartilage degeneration by inactivating the MAP3K14/NF-κB axis. Genomics 2023; 115:110683. [PMID: 37453477 DOI: 10.1016/j.ygeno.2023.110683] [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: 04/12/2023] [Revised: 06/08/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
This study explored whether EGR1-MAP3K14-NF-κB axis regulated ferroptosis and IVD cartilage generation. EGR1 and MAP3K14 expression levels were determined in CEP tissues of IVDD patients and intermittent cyclic mechanical tension (ICMT)-treated CEP cells. After EGR1 and MAP3K14 were altered in ICMT-treated CEP cells, the expression levels of degeneration- and ferroptosis-related proteins were measured. Binding relationship between EGR1 and MAP3K14 was evaluated. Additionally, the impacts of EFR1 knockdown on ferroptosis and cartilage degeneration in vivo were analyzed. EGR1 and MAP3K14 were overexpressed in clinical samples and cell models of IVDD. In IVDD cell models, EGR1 knockdown reduced ferroptosis and cartilage degeneration, which was reversed by MAP3K14 overexpression or Erastin treatment. NF-κB pathway inhibition nullified these effects of sh-EGR1 + oe-MAP3K14 treatment. EGR1 knockdown inhibited ferroptosis and relieved CEP degeneration via MAP3K14-NF-κB axis inactivation in vivo. Collectively, our findings highlighted that EGR1 promoted ferroptosis and IVD cartilage degeneration through MAP3K14-NF-κB axis.
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Affiliation(s)
- Jianguo Zhang
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China
| | - Liming He
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China
| | - Qiang Li
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China
| | - Jian Gao
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China
| | - Erlei Zhang
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China
| | - Haoyu Feng
- Department of Orthopaedics, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi 030032, China.
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Lu Z, Zheng Z. Integrated analysis of single-cell and bulk RNA sequencing data identifies the characteristics of ferroptosis in lumbar disc herniation. Funct Integr Genomics 2023; 23:289. [PMID: 37653201 DOI: 10.1007/s10142-023-01216-8] [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: 06/09/2023] [Revised: 08/09/2023] [Accepted: 08/15/2023] [Indexed: 09/02/2023]
Abstract
Lumbar disc herniation (LDH) is the most common condition associated with low back pain, and it adversely impacts individuals' health. Ferroptosis has recently emerged as a novel factor in the pathogenesis of LDH; however, the specific impacts of ferroptosis on LDH have not been fully elucidated. Ferroptosis-related differentially expressed genes (FRDEGs) were identified from the transcriptomic datasets of LDH. Gene set enrichment analysis (GSEA) was conducted to identify biological mechanism and related pathways. LASSO and SVM-RFE algorithms were applied to detect signature genes. Function of the signature gene was confirmed by RT-qPCR. The CIBERSORT algorithm was used to compare immune infiltration between LDH and normal samples. Correlation analysis between MYB and immune cells was analyzed using the Pearson method. Additionally, we used scRNA-seq to dissect cell clusters and cellular interactions. AUCell scoring was used to analyze the ferroptosis scores of different cell types. We found that MYB, a highly expressed ferroptosis-related gene, was associated with LDH By leveraging bioinformatics analysis. In immune infiltration analysis, the abundance of monocytes and macrophages varied significantly between the LDH group and disc spondylolisthesis (DS) group. MYB was correlated with most immune cells. GSEA revealed MYB was significantly enriched in immune-related pathways. Furthermore, scRNA-seq analysis revealed the presence of eight distinct cell types. AUCell analysis showed that macrophages had a high ferroptosis score. Cell trajectory analysis revealed that chondrocyte 1 was at the beginning of the trajectory, while calcification inhibiting chondrocytes and fibrochondrocytes accumulated along the middle and tail end of the trajectory, respectively. Cell-cell communication analysis identified chondrocyte 1 had an extensive communication network with other clusters and interacted with nucleus pulposus through collagen signaling pathway. Our analysis demonstrated that MYB may be a potential therapeutic target for LDH. This study provides a resource for the orthopedics community that will facilitate additional discoveries directedly toward understanding the pathogenesis process of LDH.
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Affiliation(s)
- Ziqiang Lu
- Luoyang Orthopedic-Traumatological Hospital Of Henan Province, Luoyang, Henan, China.
| | - Zhenyu Zheng
- Luoyang Orthopedic-Traumatological Hospital Of Henan Province, Luoyang, Henan, China
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Wei J, Ou Z, Tong B, Liao Z, Yang C. Engineered extracellular vesicles as therapeutics of degenerative orthopedic diseases. Front Bioeng Biotechnol 2023; 11:1162263. [PMID: 37362216 PMCID: PMC10289007 DOI: 10.3389/fbioe.2023.1162263] [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: 02/09/2023] [Accepted: 05/19/2023] [Indexed: 06/28/2023] Open
Abstract
Degenerative orthopedic diseases, as a global public health problem, have made serious negative impact on patients' quality of life and socio-economic burden. Traditional treatments, including chemical drugs and surgical treatments, have obvious side effects and unsatisfactory efficacy. Therefore, biological therapy has become the focus of researches on degenerative orthopedic diseases. Extracellular vesicles (EVs), with superior properties of immunoregulatory, growth support, and drug delivery capabilities, have emerged as a new cell-free strategy for the treatment of many diseases, including degenerative orthopedic diseases. An increasing number of studies have shown that EVs can be engineered through cargo loading, surface modification, and chemical synthesis to improve efficiency, specificity, and safety. Herein, a comprehensive overview of recent advances in engineering strategies and applications of engineered EVs as well as related researches in degenerative orthopedic diseases, including osteoarthritis (OA), osteoporosis (OP), intervertebral disc degeneration (IDD) and osteonecrosis of the femoral head (ONFH), is provided. In addition, we analyze the potential and challenges of applying engineered EVs to clinical practice.
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Affiliation(s)
| | | | | | | | - Cao Yang
- *Correspondence: Zhiwei Liao, ; Cao Yang,
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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 2023:19476035231172154. [PMID: 37139781 DOI: 10.1177/19476035231172154] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [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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Multiple nano-drug delivery systems for intervertebral disc degeneration: Current status and future perspectives. Bioact Mater 2023; 23:274-299. [DOI: 10.1016/j.bioactmat.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/16/2022] [Accepted: 11/14/2022] [Indexed: 11/21/2022] Open
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Shnayder NA, Ashkhotov AV, Trefilova VV, Nurgaliev ZA, Novitsky MA, Petrova MM, Narodova EA, Al-Zamil M, Chumakova GA, Garganeeva NP, Nasyrova RF. Molecular Basic of Pharmacotherapy of Cytokine Imbalance as a Component of Intervertebral Disc Degeneration Treatment. Int J Mol Sci 2023; 24:ijms24097692. [PMID: 37175399 PMCID: PMC10178334 DOI: 10.3390/ijms24097692] [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: 04/04/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
Intervertebral disc degeneration (IDD) and associated conditions are an important problem in modern medicine. The onset of IDD may be in childhood and adolescence in patients with a genetic predisposition. With age, IDD progresses, leading to spondylosis, spondylarthrosis, herniated disc, spinal canal stenosis. One of the leading mechanisms in the development of IDD and chronic back pain is an imbalance between pro-inflammatory and anti-inflammatory cytokines. However, classical therapeutic strategies for correcting cytokine imbalance in IDD do not give the expected response in more than half of the cases. The purpose of this review is to update knowledge about new and promising therapeutic strategies based on the correction of the molecular mechanisms of cytokine imbalance in patients with IDD. This review demonstrates that knowledge of the molecular mechanisms of the imbalance between pro-inflammatory and anti-inflammatory cytokines may be a new key to finding more effective drugs for the treatment of IDD in the setting of acute and chronic inflammation.
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Affiliation(s)
- Natalia A Shnayder
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia
| | - Azamat V Ashkhotov
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia
| | - Vera V Trefilova
- Department of Neurology, Hospital for War Veterans, 193079 Saint Petersburg, Russia
| | - Zaitun A Nurgaliev
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia
- Department of Neurology, Hospital for War Veterans, 193079 Saint Petersburg, Russia
| | - Maxim A Novitsky
- Department of Neurology, Hospital for War Veterans, 193079 Saint Petersburg, Russia
| | - Marina M Petrova
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia
| | - Ekaterina A Narodova
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia
| | - Mustafa Al-Zamil
- Department of Physiotherapy, Faculty of Continuing Medical Education, Peoples' Friendship University of Russia, 117198 Moscow, Russia
| | - Galina A Chumakova
- Department of Therapy and General Medical Practice with a Course of Postgraduate Professional Education, Altai State Medical University, 656038 Barnaul, Russia
| | - Natalia P Garganeeva
- Department of General Medical Practice and Outpatient Therapy, Siberian State Medical University, 634050 Tomsk, Russia
| | - Regina F Nasyrova
- Institute of Personalized Psychiatry and Neurology, Shared Core Facilities, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, 192019 Saint Petersburg, Russia
- International Centre for Education and Research in Neuropsychiatry, Samara State Medical University, 443016 Samara, Russia
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Yu Y, Li W, Xian T, Tu M, Wu H, Zhang J. Human Embryonic Stem-Cell-Derived Exosomes Repress NLRP3 Inflammasome to Alleviate Pyroptosis in Nucleus Pulposus Cells by Transmitting miR-302c. Int J Mol Sci 2023; 24:ijms24087664. [PMID: 37108824 PMCID: PMC10141109 DOI: 10.3390/ijms24087664] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Recent studies have shown that the NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) inflammasome is extensively activated in the process of intervertebral disc degeneration (IVDD), leading to the pyroptosis of nucleus pulposus cells (NPCs) and the exacerbation of the pathological development of the intervertebral disc (IVD). Exosomes derived from human embryonic stem cells (hESCs-exo) have shown great therapeutic potential in degenerative diseases. We hypothesized that hESCs-exo could alleviate IVDD by downregulating NLRP3. We measured the NLRP3 protein levels in different grades of IVDD and the effect of hESCs-exo on the H2O2-induced pyroptosis of NPCs. Our results indicate that the expression of NLRP3 was upregulated with the increase in IVD degeneration. hESCs-exo were able to reduce the H2O2-mediated pyroptosis of NPCs by downregulating the expression levels of NLRP3 inflammasome-related genes. Bioinformatics software predicted that miR-302c, an embryonic stem-cell-specific RNA, can inhibit NLRP3, thereby alleviating the pyroptosis of NPCs, and this was further verified by the overexpression of miR-302c in NPCs. In vivo experiments confirmed the above results in a rat caudal IVDD model. Our study demonstrates that hESCs-exo could inhibit excessive NPC pyroptosis by downregulating the NLRP3 inflammasome during IVDD, and miR-302c may play a key role in this process.
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Affiliation(s)
- Yawen Yu
- Department of Biochemistry and Molecular Biology, School of Preclinical Medicine, Jinan University, 601 West Huangpu Avenue, Guangzhou 510632, China
| | - Wenting Li
- Department of Biochemistry and Molecular Biology, School of Preclinical Medicine, Jinan University, 601 West Huangpu Avenue, Guangzhou 510632, China
| | - Tinghui Xian
- Department of Biochemistry and Molecular Biology, School of Preclinical Medicine, Jinan University, 601 West Huangpu Avenue, Guangzhou 510632, China
| | - Mei Tu
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Hao Wu
- Department of Orthopedic Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Jiaqing Zhang
- Department of Biochemistry and Molecular Biology, School of Preclinical Medicine, Jinan University, 601 West Huangpu Avenue, Guangzhou 510632, China
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Song C, Zhou Y, Cheng K, Liu F, Cai W, Zhou D, Chen R, Shi H, Fu Z, Chen J, Liu Z. Cellular senescence - Molecular mechanisms of intervertebral disc degeneration from an immune perspective. Biomed Pharmacother 2023; 162:114711. [PMID: 37084562 DOI: 10.1016/j.biopha.2023.114711] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/23/2023] Open
Abstract
Intervertebral disc degeneration (IVDD) is a frequent and intractable chronic condition in orthopedics that causes enormous discomfort in patients' lives and thoughts, as well as a significant economic burden on society and the nation. As a result, understanding the pathophysiology of IVDD is critical. The pathophysiology of IVDD has been linked to numerous variables, including oxidative stress, apoptosis, matrix metalloproteinases, and inflammatory factors. Cellular senescence has recently attracted a lot of attention in the study of age-related diseases. It has been discovered that IVDD is intimately linked to human senescence, in which nucleus pulposus cell senescence may play a significant role. Previously, our group did a comprehensive and systematic clarification of the pathogenesis of IVDD from an immune perspective and discovered that the fundamental pathogenesis of IVDD is inflammatory upregulation and nucleus pulposus cell death caused by an imbalance in the immune microenvironment. In this review, we will treat nucleus pulposus cell senescence as a novelty point to clarify the pathophysiology of IVDD and further explore the probable relationship between senescence and immunity along with the dysregulation of the immunological microenvironment to propose new therapeutic approaches for IVDD.
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Affiliation(s)
- Chao Song
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Yan Zhou
- Luzhou Longmatan District People's Hospital, Luzhou 646000, Sichuan Province, China
| | - Kang Cheng
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Fei Liu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Weiye Cai
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Daqian Zhou
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Rui Chen
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Houyin Shi
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Zhijiang Fu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Jingwen Chen
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Zongchao Liu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China; Luzhou Longmatan District People's Hospital, Luzhou 646000, Sichuan Province, China.
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Li P, Zhang M, Chen Z, Tian B, Kang X. Tissue-Engineered Injectable Gelatin-Methacryloyl Hydrogel-Based Adjunctive Therapy for Intervertebral Disc Degeneration. ACS OMEGA 2023; 8:13509-13518. [PMID: 37091429 PMCID: PMC10116505 DOI: 10.1021/acsomega.3c00211] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/14/2023] [Indexed: 05/03/2023]
Abstract
Gelatin-methacryloyl (GelMA) hydrogels are photosensitive with good biocompatibility and adjustable mechanical properties. The GelMA hydrogel composite system is a prospective therapeutic material based on a tissue engineering platform for treating intervertebral disc (IVD) degeneration (IVDD). The potential application value of the GelMA hydrogel composite system in the treatment of IVDD mainly includes three aspects: first, optimization of the current clinical treatment methods, including conservative treatment and surgical treatment; second, regeneration of IVD cells to reverse or repair IVDD; and finally, IVDD instead of injury plays a biomechanical role. In this paper, we summarized and analyzed the preparation of GelMA hydrogels and their excellent biological characteristics as carriers and comprehensively demonstrated the research status and prospects of GelMA hydrogel composite systems in IVDD treatment. In addition, the challenges facing the application of GelMA hydrogel composite systems and the progress of research on new hydrogels modified by GelMA hydrogels are presented. Hopefully, this study will provide theoretical guidance for the future application of GelMA hydrogel composite systems in IVDD.
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Affiliation(s)
- Peng Li
- Department
of Hand Surgery, Honghui Hospital, Xi’an
Jiao Tong University, Shaanxi 710054, P.R. China
| | - Ming Zhang
- Department
of General Practice, Honghui Hospital, Xi’an
Jiao Tong University, Shaanxi 710054, P.R. China
| | - Zhengyu Chen
- Department
of Spine Surgery, Xianyang First People’s
Hospital, Shaanxi, 712000, P.R. China
| | - Bin Tian
- Department
of Sports Medicine, Honghui Hospital, Xi’an
Jiao Tong University, Shaanxi 710054, P.R. China
| | - Xin Kang
- Department
of Sports Medicine, Honghui Hospital, Xi’an
Jiao Tong University, Shaanxi 710054, P.R. China
- E-mail:
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Qin T, Yan J, Li S, Lin X, Wu J, Huang Z, Zhang C, Zhang Y, Deng Z, Xiao D, Jin S, Xiao Y, Xu K, Ye W. MicroRNA-155 suppressed cholesterol-induced matrix degradation, pyroptosis and apoptosis by targeting RORα in nucleus pulposus cells. Cell Signal 2023; 107:110678. [PMID: 37062437 DOI: 10.1016/j.cellsig.2023.110678] [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: 03/06/2023] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 04/18/2023]
Abstract
Intervertebral disc degeneration (IDD) is associated with low back pain, yet its inherent mechanism remains obscure. Hypercholesteremia was regarded as a risk factor for IDD, and our previous study showed that cholesterol accumulation could elicit matrix degradation in the nucleus pulposus (NP). MicroRNA-155 (miR-155) was substantiated as protective in IDD, but its role in cholesterol-induced IDD was unclear. The present study investigated whether miR-155 could mediate cholesterol-related IDD and its internal mechanisms. In vivo experiments revealed high-fat diet-induced hypercholesteremia in wild-type (WT) mice along with the occurrence of IDD, whereas Rm155LG transgenic mice showed milder NP degeneration, as evidenced by Safranin O-fast green (SF) staining and immunohistochemistry (IHC). Meanwhile, IHC showed that NLRP3 and Bax expression was also suppressed in Rm155LG mice. In vitro studies using Western blotting (WB) and immunofluorescence (IF) confirmed that the miR-155 mimic could alleviate cholesterol-induced matrix degradation, apoptosis and pyroptosis in NP. Moreover, RORα was upregulated in severely degenerated NP compared to mild IDD. It was also noted that RORα was suppressed in Rm155LG mice. In this study, we demonstrated that miR-155 could target RORα and that inhibition of RORα could prevent cholesterol-induced matrix degradation, apoptosis, and pyroptosis in NP, indicating the protective effect of miR-155 in cholesterol-induced IDD by targeting RORα.
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Affiliation(s)
- Tianyu Qin
- Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 528406, China; Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Jiansen Yan
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China; Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 528406, China
| | - Shuangxing Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China; Department of Orthopedics, Sun Yat-sen Memorial Hospital Shenshan Central Hospital of Sun Yat-sen University, Shanwei 516621, China; Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 528406, China
| | - Xiaolin Lin
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China; Institute of Comparative Medicine & Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
| | - Jiajun Wu
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Zhengqi Huang
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Chao Zhang
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Yangyang Zhang
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Zhihuai Deng
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Dong Xiao
- Institute of Comparative Medicine & Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
| | - Song Jin
- Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 528406, China
| | - Yin Xiao
- School of Medicine and Dentistry & Menzies Health Institute Queensland, Griffith University, QLD 4222, Australia; Australia-China Centre for Tissue Engineering and Regenerative Medicine, Griffith University and Queensland University of Technology, Brisbane, QLD 4222, Australia
| | - Kang Xu
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China.
| | - Wei Ye
- Department of Spine Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China.
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Grangeat AM, Erario MDLA. The Use of Medical Ozone in Chronic Intervertebral Disc Degeneration Can Be an Etiological and Conservative Treatment. Int J Mol Sci 2023; 24:ijms24076538. [PMID: 37047511 PMCID: PMC10095297 DOI: 10.3390/ijms24076538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Degeneration of the intervertebral disc is one of the most frequent causes of lumbar pain, and it puts an extreme strain on worldwide healthcare systems. Finding a solution for this disease is an important challenge as current surgical and conservative treatments fail to bring a short-term or long-term solution to the problem. Medical ozone has yielded excellent results in intervertebral disc pathology. When it comes to extruded disc herniation, ozone is the only etiological treatment because it stimulates the immune system to absorb the herniated portion of the nucleus pulposus, thus resolving discal extrusion. This work aims to examine the biomolecular mechanisms that lead to intervertebral disc degeneration while highlighting the significance of oxidative stress and chronic inflammation. Considering that ozone is a regulator of oxidative stress and, therefore, of inflammation, we assert that medical ozone could modulate this process and obtain inflammatory stage macrophages (M1) to switch to the repair phase (M2). Consequently, the ozone would be a therapeutic resource that would work on the etiology of the disease as an epigenetic regulator that would help repair the intervertebral space.
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Exosome-laden injectable self-healing hydrogel based on quaternized chitosan and oxidized starch attenuates disc degeneration by suppressing nucleus pulposus senescence. Int J Biol Macromol 2023; 232:123479. [PMID: 36731695 DOI: 10.1016/j.ijbiomac.2023.123479] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023]
Abstract
Disc degeneration is the common pathology underlying various degenerative spinal disorders and currently there is no effective cure. Here, we found nucleus pulposus (NP) cell senescence was closely associated with the severity of disc degeneration, and exosomes (Exos) derived from mesenchymal stem cells (MSCs) ameliorated NP cell senescence and promoted extracellular matrix (ECM) deposition. As chitosan-based hydrogels have been widely used as vehicles to deliver Exos due to their prominent antibacterial capacity, biocompatibility, and biodegradability, we developed an Exos-laden hydrogel based on quaternized chitosan (QCS) and oxidized starch (OST) to treat disc degeneration. The synthesized QCS-OST hydrogel is injectable, self-healing, biocompatible, and demonstrated desirable pore size, injectable properties, and sustainable release of Exos. In a rat model of disc degeneration, the QCS-OST/Exos hydrogel was able to rejuvenate NP cell senescence, promote ECM remodeling, and partially restore the structures of NP and annulus fibrosis. Our findings suggested that the novel QCS-OST/Exos hydrogel is an effective therapeutic strategy for treating disc degeneration via alleviating NP cell senescence.
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Tong B, Liao Z, Liu H, Ke W, Lei C, Zhang W, Liang H, Wang H, He Y, Lei J, Yang K, Zhang X, Li G, Ma L, Song Y, Hua W, Feng X, Wang K, Wu X, Tan L, Gao Y, Yang C. Augmenting Intracellular Cargo Delivery of Extracellular Vesicles in Hypoxic Tissues through Inhibiting Hypoxia-Induced Endocytic Recycling. ACS NANO 2023; 17:2537-2553. [PMID: 36730125 DOI: 10.1021/acsnano.2c10351] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
As mesenchymal stem-cell-derived small extracellular vesicles (MSC-sEVs) have been widely applied in treatment of degenerative diseases, it is essential to improve their cargo delivery efficiency in specific microenvironments of lesions. However, the interaction between the microenvironment of recipient cells and MSC-sEVs remains poorly understood. Herein, we find that the cargo delivery efficiency of MSC-sEVs was significantly reduced under hypoxia in inflammaging nucleus pulposus cells due to activated endocytic recycling of MSC-sEVs. Hypoxia-inducible factor-1 (HIF-1)-induced upregulated RCP (also known as RAB11FIP1) is shown to promote the Rab11a-dependent recycling of internalized MSC-sEVs under hypoxia via enhancing the interaction between Rab11a and MSC-sEV. Based on this finding, si-RCP is loaded into MSC-sEVs using electroporation to overcome the hypoxic microenvironment of intervertebral disks. The engineered MSC-sEVs significantly inhibit the endocytic recycling process and exhibit higher delivery efficiency under hypoxia. In a rat model of intervertebral disk degeneration (IDD), the si-RCP-loaded MSC-sEVs successfully treat IDD with improved regenerative capacity compared with natural MSC-sEV. Collectively, the findings illustrate the intracellular traffic mechanism of MSC-sEVs under hypoxia and demonstrate that the therapeutic capacity of MSC-sEVs can be improved via inhibiting endocytic recycling. This modifying strategy may further facilitate the application of extracellular vesicles in hypoxic tissues.
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Affiliation(s)
- Bide Tong
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhiwei Liao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wencan Ke
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Chunchi Lei
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Weifeng Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Huaizhen Liang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hongchuan Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yaqi He
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jie Lei
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Kaiwen Yang
- Wuhan Britain-China School, Wuhan 430022, China
| | - Xiaoguang Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Gaocai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Liang Ma
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenbin Hua
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaobo Feng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Kun Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xinghuo Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lei Tan
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yong Gao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Liang H, Shi H, Li Y, Wang D, Zhang Y. Mechanism of Aspirin oxidative stress regulating interleukin-induced apoptosis in nucleus pulposus cells in a rat model of intervertebral disc degeneration. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:124. [PMID: 36819489 PMCID: PMC9929745 DOI: 10.21037/atm-22-5700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/11/2023] [Indexed: 01/31/2023]
Abstract
Background Intervertebral disc degeneration (IDD) is an important cause of low back pain. Increase of reactive oxygen species (ROS), overexpression of inflammatory factors, and loss of extracellular matrix are important factors in the pathological changes of IDD. The present study aimed to investigate the mechanism of action of Aspirin regulating oxidative stress in IDD, so as to propose new treatment. Methods Nucleus pulposus cells (NPCs) were isolated from the caudal intervertebral discs of Sprague Dawley (SD) rats under sterile conditions. The expression of ROS and inflammatory factors was detected sequentially, and the degree of degeneration of nucleus pulposus cells was observed by real-time fluorescence quantitative polymerase chain reaction (PCR) and cell immunofluorescence staining. In vivo, the caudal disc puncture model was used to induce degeneration, and a local injection of 10 or 100 µg/mL Aspirin was performed. The rats were sacrificed 1 week later, and the disc specimens of the tail vertebrae were collected for imaging, histomorphology, and immunohistochemical analysis. Results In vitro experiments showed that lipopolysaccharide (LPS) could significantly induce oxidative stress in NPCs and stimulate NPCs to secrete a large amount of ROS and inflammatory factors, which eventually leads to the reduction of collagen type II and polyglycoprotein gene expression in NPCs and the high expression of matrix metalloproteinase (MMP). Consequently, NPCs degeneration occurs. Conclusions Our results clarified the important role of oxidative stress in IDD and proved that LPS can be used as a drug to alleviate oxidative stress and intervene in the IDD process.
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Affiliation(s)
- He Liang
- Department of Orthopedics, Shanghai Songjiang District Central Hospital, Shanghai, China
| | - Hongyang Shi
- Second Department of Spine Surgery, Changzheng Hospital, Shanghai, China
| | - Yang Li
- Department of Orthopedics, Shanghai Songjiang District Central Hospital, Shanghai, China
| | - Deguo Wang
- Department of Orthopedics, Shanghai Songjiang District Central Hospital, Shanghai, China
| | - Yajie Zhang
- College of pharmacy, Changchun University of Chinese Medicine, Changchun, China
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Xia Y, Wang H, Yang R, Hou Y, Li Y, Zhu J, Fu C. Biomaterials delivery strategies to repair degenerated intervertebral discs by regulating the inflammatory microenvironment. Front Immunol 2023; 14:1051606. [PMID: 36756124 PMCID: PMC9900107 DOI: 10.3389/fimmu.2023.1051606] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 01/03/2023] [Indexed: 01/24/2023] Open
Abstract
Intervertebral disc degeneration (IVDD) is one of the leading causes of lower back pain. Although IVDD cannot directly cause death, it can cause pain, psychological burdens, and economic burdens to patients. Current conservative treatments for IVDD can relieve pain but cannot reverse the disease. Patients who cannot tolerate pain usually resort to a strategy of surgical resection of the degenerated disc. However, the surgical removal of IVDD can affect the stability of adjacent discs. Furthermore, the probability of the reherniation of the intervertebral disc (IVD) after surgery is as high as 21.2%. Strategies based on tissue engineering to deliver stem cells for the regeneration of nucleus purposes (NP) and annulus fibrosus (AF) have been extensively studied. The developed biomaterials not only locally withstand the pressure of the IVD but also lay the foundation for the survival of stem cells. However, the structure of IVDs does not provide sufficient nutrients for delivered stem cells. The role of immune mechanisms in IVDD has recently become clear. In IVDD, the IVD that was originally in immune privilege prevents the attack of immune cells (mainly effector T cells and macrophages) and aggravates the disease. Immune regulatory and inflammatory factors released by effector T cells, macrophages, and the IVD further aggravate IVDD. Reversing IVDD by regulating the inflammatory microenvironment is a potential approach for the treatment of the disease. However, the biological factors modulating the inflammatory microenvironment easily degrade in vivo. It makes it possible for different biomaterials to modulate the inflammatory microenvironment to repair IVDD. In this review, we have discussed the structures of IVDs and the immune mechanisms underlying IVDD. We have described the immune mechanisms elicited by different biological factors, including tumor necrosis factors, interleukins, transforming growth factors, hypoxia-inducible factors, and reactive oxygen species in IVDs. Finally, we have discussed the biomaterials used to modulate the inflammatory microenvironment to repair IVDD and their development.
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Affiliation(s)
- Yuanliang Xia
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Hengyi Wang
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Ruohan Yang
- Cancer Center, The First Hospital of Jilin University, Changchun, China
| | - Yulin Hou
- Department of Cardiology, Guangyuan Central Hospital, Guangyuan, China
| | - Yuehong Li
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Jianshu Zhu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Changfeng Fu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China,*Correspondence: Changfeng Fu,
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The Influence of Intervertebral Disc Microenvironment on the Biological Behavior of Engrafted Mesenchymal Stem Cells. Stem Cells Int 2022; 2022:8671482. [DOI: 10.1155/2022/8671482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/09/2022] Open
Abstract
Intervertebral disc degeneration is the main cause of low back pain. Traditional treatment methods cannot repair degenerated intervertebral disc tissue. The emergence of stem cell therapy makes it possible to regenerate and repair degenerated intervertebral disc tissue. At present, mesenchymal stem cells are the most studied, and different types of mesenchymal stem cells have their own characteristics. However, due to the harsh and complex internal microenvironment of the intervertebral disc, it will affect the biological behaviors of the implanted mesenchymal stem cells, such as viability, proliferation, migration, and chondrogenic differentiation, thereby affecting the therapeutic effect. This review is aimed at summarizing the influence of each intervertebral disc microenvironmental factor on the biological behavior of mesenchymal stem cells, so as to provide new ideas for using tissue engineering technology to assist stem cells to overcome the influence of the microenvironment in the future.
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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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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: 10] [Impact Index Per Article: 5.0] [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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Xia Y, Yang R, Hou Y, Wang H, Li Y, Zhu J, Fu C. Application of mesenchymal stem cell-derived exosomes from different sources in intervertebral disc degeneration. Front Bioeng Biotechnol 2022; 10:1019437. [PMID: 36277386 PMCID: PMC9585200 DOI: 10.3389/fbioe.2022.1019437] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/26/2022] [Indexed: 12/12/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a main cause of lower back pain, leading to psychological and economic burdens to patients. Physical therapy only delays pain in patients but cannot eliminate the cause of IVDD. Surgery is required when the patient cannot tolerate pain or has severe neurological symptoms. Although surgical resection of IVD or decompression of the laminae eliminates the diseased segment, it damages adjacent normal IVD. There is also a risk of re-protrusion after IVD removal. Cell therapy has played a crucial role in the development of regenerative medicine. Cell transplantation promotes regeneration of degenerative tissue. However, owing to the lack of vascular structure in IVD, sufficient nutrients cannot be provided for transplanted mesenchymal stem cells (MSCs). In addition, dead cells release harmful substances that aggravate IVDD. Extracellular vesicles (EVs) have been extensively studied as an emerging therapeutic approach. EVs generated by paracrine MSCs retain the potential of MSCs and serve as carriers to deliver their contents to target cells to regulate target cell activity. Owing to their double-layered membrane structure, EVs have a low immunogenicity and no immune rejection. Therefore, EVs are considered an emerging therapeutic modality in IVDD. However, they are limited by mass production and low loading rates. In this review, the structure of IVD and advantages of EVs are introduced, and the application of MSC-EVs in IVDD is discussed. The current limitations of EVs and future applications are described.
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Affiliation(s)
- Yuanliang Xia
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Ruohan Yang
- Cancer Center, The First Hospital of Jilin University, Changchun, China
| | - Yulin Hou
- Department of Cardiology, Guangyuan Central Hospital, Guangyuan, China
| | - Hengyi Wang
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Yuehong Li
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Jianshu Zhu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Changfeng Fu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Changfeng Fu,
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Liao Z, Ke W, Liu H, Tong B, Wang K, Feng X, Hua W, Wang B, Song Y, Luo R, Liang H, Zhang W, Zhao K, Li S, Yang C. Vasorin-containing small extracellular vesicles retard intervertebral disc degeneration utilizing an injectable thermoresponsive delivery system. J Nanobiotechnology 2022; 20:420. [PMID: 36123708 PMCID: PMC9484164 DOI: 10.1186/s12951-022-01624-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 09/02/2022] [Indexed: 11/14/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is the pathological reason of back pain and the therapeutic approaches are still unsatisfactory. Recently, mesenchymal stem cell-derived small extracellular vesicles (EVs) have emerged as the novel regenerative method for IDD. In this study, we intensively investigated the therapeutic mechanism of small EVs, and found that vasorin protein enriched in EVs promoted the proliferation and extracellular matrix anabolism of nucleus pulposus cells via the Notch1 signaling pathway. Then, we fabricated a thermoresponsive gel which composed of Pluronic F127 and decellularized extracellular matrix (FEC) for the delivery and sustained release of EVs. Besides, ex vivo and in vivo results showed that EVs embedded in FEC (EVs@FEC) ameliorate the disc degeneration efficiently and achieve better therapeutic effects than one-off EVs delivery. Collectively, these findings deepen the understanding of EVs mechanism in treating intervertebral disc degeneration, and also illustrate the promising capacity of sustained EVs release system for intervertebral disc regeneration.
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Affiliation(s)
- Zhiwei Liao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wencan Ke
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bide Tong
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kun Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaobo Feng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wenbin Hua
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bingjin Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Rongjin Luo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Huaizhen Liang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Weifeng Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kangcheng Zhao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Shuai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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