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Nakamura A, Jo S, Nakamura S, Aparnathi MK, Boroojeni SF, Korshko M, Park YS, Gupta H, Vijayan S, Rockel JS, Kapoor M, Jurisica I, Kim TH, Haroon N. HIF-1α and MIF enhance neutrophil-driven type 3 immunity and chondrogenesis in a murine spondyloarthritis model. Cell Mol Immunol 2024; 21:770-786. [PMID: 38839914 PMCID: PMC11214626 DOI: 10.1038/s41423-024-01183-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 05/08/2024] [Indexed: 06/07/2024] Open
Abstract
The hallmarks of spondyloarthritis (SpA) are type 3 immunity-driven inflammation and new bone formation (NBF). Macrophage migration inhibitory factor (MIF) was found to be a key driver of the pathogenesis of SpA by amplifying type 3 immunity, yet MIF-interacting molecules and networks remain elusive. Herein, we identified hypoxia-inducible factor-1 alpha (HIF1A) as an interacting partner molecule of MIF that drives SpA pathologies, including inflammation and NBF. HIF1A expression was increased in the joint tissues and synovial fluid of SpA patients and curdlan-injected SKG (curdlan-SKG) mice compared to the respective controls. Under hypoxic conditions in which HIF1A was stabilized, human and mouse neutrophils exhibited substantially increased expression of MIF and IL-23, an upstream type 3 immunity-related cytokine. Similar to MIF, systemic overexpression of IL-23 induced SpA pathology in SKG mice, while the injection of a HIF1A-selective inhibitor (PX-478) into curdlan-SKG mice prevented or attenuated SpA pathology, as indicated by a marked reduction in the expression of MIF and IL-23. Furthermore, genetic deletion of MIF or HIF1A inhibition with PX-478 in IL-23-overexpressing SKG mice did not induce evident arthritis or NBF, despite the presence of psoriasis-like dermatitis and blepharitis. We also found that MIF- and IL-23-expressing neutrophils infiltrated areas of the NBF in curdlan-SKG mice. These neutrophils potentially increased chondrogenesis and cell proliferation via the upregulation of STAT3 in periosteal cells and ligamental cells during endochondral ossification. Together, these results provide supporting evidence for an MIF/HIF1A regulatory network, and inhibition of HIF1A may be a novel therapeutic approach for SpA by suppressing type 3 immunity-mediated inflammation and NBF.
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Affiliation(s)
- Akihiro Nakamura
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada.
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada.
- Institute of Medical Science, Temerty Faculty of Medicine of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada.
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, ON, K7L, 2V6, Canada.
- Translational Institute of Medicine, School of Medicine, Queen's University, Kingston, ON, K7L 2V6, Canada.
- Division of Rheumatology, Kingston Health Science Centre, Kingston, ON, K7L 2V6, Canada.
| | - Sungsin Jo
- Hanyang University Institute for Rheumatology Research (HYIRR), Seoul, 04763, Republic of Korea
- Department of Biology, College of Natural Sciences, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Sayaka Nakamura
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Mansi K Aparnathi
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Shaghayegh Foroozan Boroojeni
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Institute of Medical Science, Temerty Faculty of Medicine of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Mariia Korshko
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Ye-Soo Park
- Department of Orthopedic Surgery, Guri Hospital, Hanyang University College of Medicine, Guri, 11293, Republic of Korea
| | - Himanshi Gupta
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Sandra Vijayan
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Jason S Rockel
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
| | - Mohit Kapoor
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5T 1P5, Canada
| | - Igor Jurisica
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada
- Departments of Medical Biophysics and Comp. Science and Faculty of Dentistry, University of Toronto, Toronto, ON, M5G 1L7, Canada
- Institute of Neuroimmunology, Slovak Academy of Sciences, 85410, Bratislava, Slovakia
| | - Tae-Hwan Kim
- Hanyang University Institute for Rheumatology Research (HYIRR), Seoul, 04763, Republic of Korea
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea
| | - Nigil Haroon
- Schroeder Arthritis Institute, University Health Network, Toronto, ON, M5T 0S8, Canada.
- Krembil Research Institute, University Health Network, Toronto, ON, M5T 0S8, Canada.
- Institute of Medical Science, Temerty Faculty of Medicine of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada.
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Chen X, Chen K, Hu J, Dong Y, Zheng M, Jiang J, Hu Q, Zhang W. Palmitic acid induces lipid droplet accumulation and senescence in nucleus pulposus cells via ER-stress pathway. Commun Biol 2024; 7:539. [PMID: 38714886 PMCID: PMC11076507 DOI: 10.1038/s42003-024-06248-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 04/25/2024] [Indexed: 05/12/2024] Open
Abstract
Intervertebral disc degeneration (IDD) is a highly prevalent musculoskeletal disorder affecting millions of adults worldwide, but a poor understanding of its pathogenesis has limited the effectiveness of therapy. In the current study, we integrated untargeted LC/MS metabolomics and magnetic resonance spectroscopy data to investigate metabolic profile alterations during IDD. Combined with validation via a large-cohort analysis, we found excessive lipid droplet accumulation in the nucleus pulposus cells of advanced-stage IDD samples. We also found abnormal palmitic acid (PA) accumulation in IDD nucleus pulposus cells, and PA exposure resulted in lipid droplet accumulation and cell senescence in an endoplasmic reticulum stress-dependent manner. Complementary transcriptome and proteome profiles enabled us to identify solute carrier transporter (SLC) 43A3 involvement in the regulation of the intracellular PA level. SLC43A3 was expressed at low levels and negatively correlated with intracellular lipid content in IDD nucleus pulposus cells. Overexpression of SLC43A3 significantly alleviated PA-induced endoplasmic reticulum stress, lipid droplet accumulation and cell senescence by inhibiting PA uptake. This work provides novel integration analysis-based insight into the metabolic profile alterations in IDD and further reveals new therapeutic targets for IDD treatment.
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Affiliation(s)
- Xi Chen
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Kun Chen
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Jun Hu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Yijun Dong
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Menglong Zheng
- Department of Radiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Jiang Jiang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Qingsong Hu
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China.
| | - Wenzhi Zhang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China.
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Crump KB, Alminnawi A, Bermudez‐Lekerika P, Compte R, Gualdi F, McSweeney T, Muñoz‐Moya E, Nüesch A, Geris L, Dudli S, Karppinen J, Noailly J, Le Maitre C, Gantenbein B. Cartilaginous endplates: A comprehensive review on a neglected structure in intervertebral disc research. JOR Spine 2023; 6:e1294. [PMID: 38156054 PMCID: PMC10751983 DOI: 10.1002/jsp2.1294] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 09/15/2023] [Accepted: 09/26/2023] [Indexed: 12/30/2023] Open
Abstract
The cartilaginous endplates (CEP) are key components of the intervertebral disc (IVD) necessary for sustaining the nutrition of the disc while distributing mechanical loads and preventing the disc from bulging into the adjacent vertebral body. The size, shape, and composition of the CEP are essential in maintaining its function, and degeneration of the CEP is considered a contributor to early IVD degeneration. In addition, the CEP is implicated in Modic changes, which are often associated with low back pain. This review aims to tackle the current knowledge of the CEP regarding its structure, composition, permeability, and mechanical role in a healthy disc, how they change with degeneration, and how they connect to IVD degeneration and low back pain. Additionally, the authors suggest a standardized naming convention regarding the CEP and bony endplate and suggest avoiding the term vertebral endplate. Currently, there is limited data on the CEP itself as reported data is often a combination of CEP and bony endplate, or the CEP is considered as articular cartilage. However, it is clear the CEP is a unique tissue type that differs from articular cartilage, bony endplate, and other IVD tissues. Thus, future research should investigate the CEP separately to fully understand its role in healthy and degenerated IVDs. Further, most IVD regeneration therapies in development failed to address, or even considered the CEP, despite its key role in nutrition and mechanical stability within the IVD. Thus, the CEP should be considered and potentially targeted for future sustainable treatments.
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Affiliation(s)
- Katherine B. Crump
- Tissue Engineering for Orthopaedics & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
- Department of Orthopaedic Surgery and Traumatology, InselspitalBern University Hospital, Medical Faculty, University of BernBernSwitzerland
- Graduate School for Cellular and Biomedical Sciences (GCB)University of BernBernSwitzerland
| | - Ahmad Alminnawi
- GIGA In Silico MedicineUniversity of LiègeLiègeBelgium
- Skeletal Biology and Engineering Research Center, KU LeuvenLeuvenBelgium
- Biomechanics Research Unit, KU LeuvenLeuvenBelgium
| | - Paola Bermudez‐Lekerika
- Tissue Engineering for Orthopaedics & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
- Department of Orthopaedic Surgery and Traumatology, InselspitalBern University Hospital, Medical Faculty, University of BernBernSwitzerland
- Graduate School for Cellular and Biomedical Sciences (GCB)University of BernBernSwitzerland
| | - Roger Compte
- Twin Research & Genetic EpidemiologySt. Thomas' Hospital, King's College LondonLondonUK
| | - Francesco Gualdi
- Institut Hospital del Mar d'Investigacions Mèdiques (IMIM)BarcelonaSpain
| | - Terence McSweeney
- Research Unit of Health Sciences and TechnologyUniversity of OuluOuluFinland
| | - Estefano Muñoz‐Moya
- BCN MedTech, Department of Information and Communication TechnologiesUniversitat Pompeu FabraBarcelonaSpain
| | - Andrea Nüesch
- Division of Clinical Medicine, School of Medicine and Population HealthUniversity of SheffieldSheffieldUK
| | - Liesbet Geris
- GIGA In Silico MedicineUniversity of LiègeLiègeBelgium
- Skeletal Biology and Engineering Research Center, KU LeuvenLeuvenBelgium
- Biomechanics Research Unit, KU LeuvenLeuvenBelgium
| | - Stefan Dudli
- Center of Experimental RheumatologyDepartment of Rheumatology, University Hospital Zurich, University of ZurichZurichSwitzerland
- Department of Physical Medicine and RheumatologyBalgrist University Hospital, Balgrist Campus, University of ZurichZurichSwitzerland
| | - Jaro Karppinen
- Research Unit of Health Sciences and TechnologyUniversity of OuluOuluFinland
- Finnish Institute of Occupational HealthOuluFinland
- Rehabilitation Services of South Karelia Social and Health Care DistrictLappeenrantaFinland
| | - Jérôme Noailly
- BCN MedTech, Department of Information and Communication TechnologiesUniversitat Pompeu FabraBarcelonaSpain
| | - Christine Le Maitre
- Division of Clinical Medicine, School of Medicine and Population HealthUniversity of SheffieldSheffieldUK
| | - Benjamin Gantenbein
- Tissue Engineering for Orthopaedics & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
- Department of Orthopaedic Surgery and Traumatology, InselspitalBern University Hospital, Medical Faculty, University of BernBernSwitzerland
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Lin P, Yan P, Zhu J, Huang S, Wang Z, Hu O, Jin H, Li Y, Zhang L, Zhao J, Chen L, Liu B, He J, Gan Y, Liu P. Spatially multicellular variability of intervertebral disc degeneration by comparative single-cell analysis. Cell Prolif 2023; 56:e13464. [PMID: 37025067 PMCID: PMC10542621 DOI: 10.1111/cpr.13464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/10/2023] [Accepted: 03/20/2023] [Indexed: 04/08/2023] Open
Abstract
Previous studies have revealed cellular heterogeneity in intervertebral discs (IVDs). However, the cellular and molecular alteration patterns of cell populations during degenerative progression remain to be fully elucidated. To illustrate the cellular and molecular alteration of cell populations in intervertebral disc degeneration (IDD), we perform single cell RNA sequencing on cells from four anatomic sites of healthy and degenerative goat IVDs. EGLN3+ StressCs, TGFBR3+ HomCs and GPRC5A+ RegCs exhibit the characteristics associated with resistance to stress, maintaining homeostasis and repairing, respectively. The frequencies and signatures of these cell clusters fluctuate with IDD. Notably, the chondrogenic differentiation programme of PROCR+ progenitor cells is altered by IDD, while notochord cells turn to stemness exhaustion. In addition, we characterise CAV1+ endothelial cells that communicate with chondrocytes through multiple signalling pathways in degenerative IVDs. Our comprehensive analysis identifies the variability of key cell clusters and critical regulatory networks responding to IDD, which will facilitate in-depth investigation of therapeutic strategies for IDD.
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Affiliation(s)
- Peng Lin
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Pulin Yan
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Jun Zhu
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Sha Huang
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Zhong Wang
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Ou Hu
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Huaijian Jin
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Yangyang Li
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Liang Zhang
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Jianhua Zhao
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Lin Chen
- Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Laboratory for the Prevention and Rehabilitation of Military Training Related Injuries, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Bing Liu
- State Key Laboratory of Proteomics, Academy of Military Medical SciencesAcademy of Military SciencesBeijing100071China
- State Key Laboratory of Experimental Hematology, Institute of HematologyFifth Medical Center of Chinese PLA General HospitalBeijing100071China
- Key Laboratory for Regenerative Medicine of Ministry of EducationInstitute of Hematology, School of Medicine, Jinan UniversityGuangzhou510632China
- State Key Laboratory of Experimental HematologyInstitute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical SciencesTianjin300020China
| | - Jian He
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
- Laboratory of Basic MedicineThe General Hospital of Western Theater CommandChengdu610031China
| | - Yibo Gan
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
| | - Peng Liu
- Department of Spine Surgery, Center of Orthopedics, State Key Laboratory of Trauma, Burns and Combined Injury, Daping HospitalArmy Medical University (Third Military Medical University)Chongqing400042China
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Wei Y, Zheng X, Huang T, Zhong Y, Sun S, Wei X, Liu Q, Wang T, Zhao Z. Human embryonic stem cells secrete macrophage migration inhibitory factor: A novel finding. PLoS One 2023; 18:e0288281. [PMID: 37616250 PMCID: PMC10449177 DOI: 10.1371/journal.pone.0288281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 06/23/2023] [Indexed: 08/26/2023] Open
Abstract
Macrophage migration inhibitory factor (MIF) is expressed in a variety of cells and participates in important biological mechanisms. However, few studies have reported whether MIF is expressed in human Embryonic stem cells (ESCs) and its effect on human ESCs. Two human ESCs cell lines, H1 and H9 were used. The expression of MIF and its receptors CD74, CD44, CXCR2, CXCR4 and CXCR7 were detected by an immunofluorescence assay, RT-qPCR and western blotting, respectively. The autocrine level of MIF was measured via enzyme-linked immunosorbent assay. The interaction between MIF and its main receptor was investigated by co-immunoprecipitation and confocal immunofluorescence microscopy. Finally, the effect of MIF on the proliferation and survival of human ESCs was preliminarily explored by incubating cells with exogenous MIF, MIF competitive ligand CXCL12 and MIF classic inhibitor ISO-1. We reported that MIF was highly expressed in H1 and H9 human ESCs. MIF was positively expressed in the cytoplasm, cell membrane and culture medium. Several surprising results emerge. The autosecreted concentration of MIF was 22 ng/mL, which was significantly higher than 2 ng/mL-6 ng/mL in normal human serum, and this was independent of cell culture time and cell number. Human ESCs mainly expressed the MIF receptors CXCR2 and CXCR7 rather than the classical receptor CD74. The protein receptor that interacts with MIF on human embryonic stem cells is CXCR7, and no evidence of interaction with CXCR2 was found. We found no evidence that MIF supports the proliferation and survival of human embryonic stem cells. In conclusion, we first found that MIF was highly expressed in human ESCs and at the same time highly expressed in associated receptors, suggesting that MIF mainly acts in an autocrine form in human ESCs.
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Affiliation(s)
- Yanzhao Wei
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Department of Human Functioning, Department of Health Services, Logistics University of Chinese People’s Armed Police Force, Tianjin, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Xiaohan Zheng
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Ting Huang
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Yuanji Zhong
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Shengtong Sun
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Xufang Wei
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Qibing Liu
- Department of Pharmacy, Hainan Medical University, Hainan, China
| | - Tan Wang
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Zhenqiang Zhao
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
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Shi X, Wu Y, Ni H, Li M, Qi B, Xu Y. Macrophage migration inhibitory factor (MIF) inhibitor iSO-1 promotes staphylococcal protein A-induced osteogenic differentiation by inhibiting NF-κB signaling pathway. Int Immunopharmacol 2023; 115:109600. [PMID: 36577150 DOI: 10.1016/j.intimp.2022.109600] [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: 10/04/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND Osteomyelitis is among the most difficult to treat diseases in the field of orthopedics, and there is a lack of effective treatment modalities. Exploring the mechanisms of its development is beneficial for finding molecular targets for treatment. Increasing evidence suggests that macrophage migration inhibitory factor (MIF), as a proinflammatory mediator, is not only involved in various pathophysiological processes of inflammation but also plays an important role in osteogenic differentiation, while its specific regulatory mechanism in osteomyelitis remains unclear. METHODS In the present study, staphylococcal protein A (SPA)-treated rat bone marrow mesenchymal stem cells (rBMSCs) were used to construct cell models of osteomyelitis. Rat and cell models of osteomyelitis were used to validate the expression levels of MIF, and to further explore the regulatory mechanisms of the MIF inhibitor methyl ester of (S, R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole acetic acid (iSO-1) and MIF knockdown on cell model of osteomyelitis toward osteogenic differentiation. RESULTS We found that the expression level of MIF was upregulated in rat and cell models of osteomyelitis and subsequently demonstrated by the GSE30119 dataset that the expression level of MIF was also significantly upregulated in patients with osteomyelitis. Furthermore, SPA promotes MIF expression in rBMSCs while inhibiting the expression of osteogenic-related genes such as Runt-related transcription factor 2 (RUNX2), osteocalcin (OCN), osteopontin (OPN) and collagen type-1 (COL-1) through activation of the nuclear factor kappa-B (NF-κB) pathway. In vivo, we further demonstrated that local injection of iSO-1 significantly increased the osteogenic activity in rat model of osteomyelitis. Importantly, we also demonstrated that MIF knockdown and the MIF inhibitor iSO-1 reversed the SPA-mediated inhibition of osteogenic differentiation of rBMSCs by inhibiting the activation of the NF-κB pathway, as evidenced by the upregulation of osteogenic-related gene expression and enhanced bone mineralization. CONCLUSION ISO-1 and MIF knockdown can reverse the SPA-mediated inhibition of osteogenic differentiation in the rBMSCs model of osteomyelitis by inhibiting the NF-κB signaling pathway, providing a potential target for the treatment of osteomyelitis.
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Affiliation(s)
| | - Yipeng Wu
- Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Haonan Ni
- Kunming Medical University, Kunming, China
| | - Mingjun Li
- Kunming Medical University, Kunming, China
| | | | - Yongqing Xu
- Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China.
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Lu QL, Zheng ZX, Ye YH, Lu JY, Zhong YQ, Sun C, Xiong CJ, Yang GX, Xu F. Macrophage migration inhibitory factor takes part in the lumbar ligamentum flavum hypertrophy. Mol Med Rep 2022; 26:289. [PMID: 35904178 PMCID: PMC9366153 DOI: 10.3892/mmr.2022.12805] [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: 03/03/2022] [Accepted: 07/01/2022] [Indexed: 11/20/2022] Open
Abstract
The present study aimed to observe the content difference of macrophage migration inhibitory factor [MIF; novoprotein recombinant human MIF (n-6his) (ch33)], TGFβ1 and MMP13 in patients with and without ligamentum flavum (LF) hypertrophy and investigate the roles of MIF in LF hypertrophy. The concentration of MIF, TGFβ1 and MMP13 in LF were detected by ELISA in a lumbar spinal stenosis (LSS) group and a lumbar disc herniation (LDH) group. Culture of primary LFs and identification were performed for the subsequent study. Cell treatments and cell proliferation assay by CCK-8 was performed. Western blot and quantitative PCR analysis were used to detect the expression of TGFβ1, MMP13, type I collagen (COL-1) and type III collagen (COL-3) and Src which were promoted by MIF. The concentration of MIF, TGFβ1 and MMP13 were higher in the LSS group compared with the LDH group. Culture of primary LFs and identification were performed. Significant difference in LFs proliferation occurred with treatment by MIF at a concentration of 40 nM for 48 h (P<0.05). The gene and protein expression of TGFβ1, MMP13, COL-1, COL-3 and Src were promoted by MIF (P<0.05). Proliferation of LFs was induced by MIF and MIF-induced proliferation of LFs was inhibited by PP1 (a Src inhibitor). MIF may promote the proliferation of LFs through the Src kinase signaling pathway and can promote extracellular matrix changes by its pro-inflammatory effect. MIF and its mediated inflammatory reaction are driving factors of LF hypertrophy.
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Affiliation(s)
- Qi-Lin Lu
- Department of Orthopaedics, General Hospital of Central Theater Command, Wuhan, Hubei 430070, P.R. China
| | - Zi-Xuan Zheng
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, Hubei 430065, P.R. China
| | - Yu-Hui Ye
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, Hubei 430065, P.R. China
| | - Jiang-Yun Lu
- Medical Laboratory, Hubei 672 Orthopedics Hospital of Integrated Chinese and Western Medicine, Wuhan, Hubei 430079, P.R. China
| | - Yu-Qi Zhong
- Medical Laboratory, Hubei 672 Orthopedics Hospital of Integrated Chinese and Western Medicine, Wuhan, Hubei 430079, P.R. China
| | - Chao Sun
- Department of Orthopaedics, General Hospital of Central Theater Command, Wuhan, Hubei 430070, P.R. China
| | - Cheng-Jie Xiong
- Department of Orthopaedics, General Hospital of Central Theater Command, Wuhan, Hubei 430070, P.R. China
| | - Gong-Xu Yang
- College of Acupuncture and Orthopedics, Hubei University of Chinese Medicine, Wuhan, Hubei 430065, P.R. China
| | - Feng Xu
- Department of Orthopaedics, General Hospital of Central Theater Command, Wuhan, Hubei 430070, P.R. China
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8
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Suresh V, Dash P, Suklabaidya S, Murmu KC, Sasmal PK, Jogdand GM, Parida D, Sethi M, Das B, Mohapatra D, Saha S, Prasad P, Satoskar A, Senapati S. MIF confers survival advantage to pancreatic CAFs by suppressing interferon pathway-induced p53-dependent apoptosis. FASEB J 2022; 36:e22449. [PMID: 35839070 DOI: 10.1096/fj.202101953r] [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: 12/29/2021] [Revised: 06/22/2022] [Accepted: 06/30/2022] [Indexed: 11/11/2022]
Abstract
The presence of activated pancreatic stellate cells (PSCs) in the pancreatic ductal adenocarcinoma (PDAC) microenvironment plays a significant role in cancer progression. Macrophage migration inhibitory factor (MIF) is overexpressed in PDAC tissues and expressed by both cancer and stromal cells. The pathophysiological role of MIF in PDAC-associated fibroblasts or PSCs is yet to be elucidated. Here we report that the PSCs of mouse or cancer-associated fibroblast cells (CAFs) of human expresses MIF and its receptors, whose expression gets upregulated upon LPS or TNF-α stimulation. In vitro functional experiments showed that MIF significantly conferred a survival advantage to CAFs/PSCs upon growth factor deprivation. Genetic or pharmacological inhibition of MIF also corroborated these findings. Further, co-injection of mouse pancreatic cancer cells with PSCs isolated from Mif-/- or Mif+/+ mice confirmed the pro-survival effect of MIF in PSCs and also demonstrated the pro-tumorigenic role of MIF expressed by CAFs in vivo. Differential gene expression analysis and in vitro mechanistic studies indicated that MIF expressed by activated CAFs/PSCs confers a survival advantage to these cells by suppression of interferon pathway induced p53 dependent apoptosis.
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Affiliation(s)
- Voddu Suresh
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
- Regional Centre for Biotechnology, Faridabad, India
| | - Pujarini Dash
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
| | - Sujit Suklabaidya
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
| | - Krushna Chandra Murmu
- Regional Centre for Biotechnology, Faridabad, India
- Epigenetic and Chromatin Biology Unit, Institute of Life Sciences, Bhubaneswar, India
| | - Prakash K Sasmal
- Department of General Surgery, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Gajendra M Jogdand
- Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar, India
| | - Deepti Parida
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
- Regional Centre for Biotechnology, Faridabad, India
| | - Manisha Sethi
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
- Regional Centre for Biotechnology, Faridabad, India
| | - Biswajit Das
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
| | - Debasish Mohapatra
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
- Kalinga Institute of Industrial Technology, Bhubaneswar, India
| | - Subha Saha
- Regional Centre for Biotechnology, Faridabad, India
- Epigenetic and Chromatin Biology Unit, Institute of Life Sciences, Bhubaneswar, India
| | - Punit Prasad
- Epigenetic and Chromatin Biology Unit, Institute of Life Sciences, Bhubaneswar, India
| | - Abhay Satoskar
- Department of Microbiology, The Ohio State University, Columbus, Ohio, USA
| | - Shantibhusan Senapati
- Tumor Microenvironment and Animal Models Lab, Department of Cancer Biology, Institute of Life Sciences, Bhubaneswar, India
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9
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Bermudez-Lekerika P, Crump KB, Tseranidou S, Nüesch A, Kanelis E, Alminnawi A, Baumgartner L, Muñoz-Moya E, Compte R, Gualdi F, Alexopoulos LG, Geris L, Wuertz-Kozak K, Le Maitre CL, Noailly J, Gantenbein B. Immuno-Modulatory Effects of Intervertebral Disc Cells. Front Cell Dev Biol 2022; 10:924692. [PMID: 35846355 PMCID: PMC9277224 DOI: 10.3389/fcell.2022.924692] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 05/20/2022] [Indexed: 11/29/2022] Open
Abstract
Low back pain is a highly prevalent, chronic, and costly medical condition predominantly triggered by intervertebral disc degeneration (IDD). IDD is often caused by structural and biochemical changes in intervertebral discs (IVD) that prompt a pathologic shift from an anabolic to catabolic state, affecting extracellular matrix (ECM) production, enzyme generation, cytokine and chemokine production, neurotrophic and angiogenic factor production. The IVD is an immune-privileged organ. However, during degeneration immune cells and inflammatory factors can infiltrate through defects in the cartilage endplate and annulus fibrosus fissures, further accelerating the catabolic environment. Remarkably, though, catabolic ECM disruption also occurs in the absence of immune cell infiltration, largely due to native disc cell production of catabolic enzymes and cytokines. An unbalanced metabolism could be induced by many different factors, including a harsh microenvironment, biomechanical cues, genetics, and infection. The complex, multifactorial nature of IDD brings the challenge of identifying key factors which initiate the degenerative cascade, eventually leading to back pain. These factors are often investigated through methods including animal models, 3D cell culture, bioreactors, and computational models. However, the crosstalk between the IVD, immune system, and shifted metabolism is frequently misconstrued, often with the assumption that the presence of cytokines and chemokines is synonymous to inflammation or an immune response, which is not true for the intact disc. Therefore, this review will tackle immunomodulatory and IVD cell roles in IDD, clarifying the differences between cellular involvements and implications for therapeutic development and assessing models used to explore inflammatory or catabolic IVD environments.
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Affiliation(s)
- Paola Bermudez-Lekerika
- Tissue Engineering for Orthopaedics and Mechanobiology, Bone and Joint Program, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, Medical Faculty, University of Bern, Bern, Switzerland
| | - Katherine B Crump
- Tissue Engineering for Orthopaedics and Mechanobiology, Bone and Joint Program, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, Medical Faculty, University of Bern, Bern, Switzerland
| | | | - Andrea Nüesch
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | - Exarchos Kanelis
- ProtATonce Ltd., Athens, Greece.,School of Mechanical Engineering, National Technical University of Athens, Zografou, Greece
| | - Ahmad Alminnawi
- GIGA In Silico Medicine, University of Liège, Liège, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | | | | | - Roger Compte
- Twin Research and Genetic Epidemiology, St Thomas' Hospital, King's College London, London, United Kingdom
| | - Francesco Gualdi
- Institut Hospital Del Mar D'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - Leonidas G Alexopoulos
- ProtATonce Ltd., Athens, Greece.,School of Mechanical Engineering, National Technical University of Athens, Zografou, Greece
| | - Liesbet Geris
- GIGA In Silico Medicine, University of Liège, Liège, Belgium.,Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium.,Biomechanics Research Unit, KU Leuven, Leuven, Belgium
| | - Karin Wuertz-Kozak
- Department of Biomedical Engineering, Rochester Institute of Technology, Rochester, NY, United States.,Spine Center, Schön Klinik München Harlaching Academic Teaching Hospital and Spine Research Institute of the Paracelsus Private Medical University Salzburg (Austria), Munich, Germany
| | - Christine L Le Maitre
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | | | - Benjamin Gantenbein
- Tissue Engineering for Orthopaedics and Mechanobiology, Bone and Joint Program, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, Medical Faculty, University of Bern, Bern, Switzerland
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10
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Impact of Microenvironmental Changes during Degeneration on Intervertebral Disc Progenitor Cells: A Comparison with Mesenchymal Stem Cells. Bioengineering (Basel) 2022; 9:bioengineering9040148. [PMID: 35447707 PMCID: PMC9025850 DOI: 10.3390/bioengineering9040148] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 12/22/2022] Open
Abstract
Intervertebral disc (IVD) degeneration occurs with natural ageing and is linked to low back pain, a common disease. As an avascular tissue, the microenvironment inside the IVD is harsh. During degeneration, the condition becomes even more compromised, presenting a significant challenge to the survival and function of the resident cells, as well as to any regeneration attempts using cell implantation. Mesenchymal stem cells (MSCs) have been proposed as a candidate stem cell tool for IVD regeneration. Recently, endogenous IVD progenitor cells have been identified inside the IVD, highlighting their potential for self-repair. IVD progenitor cells have properties similar to MSCs, with minor differences in potency and surface marker expression. Currently, it is unclear how IVD progenitor cells react to microenvironmental factors and in what ways they possibly behave differently to MSCs. Here, we first summarized the microenvironmental factors presented in the IVD and their changes during degeneration. Then, we analyzed the available studies on the responses of IVD progenitor cells and MSCs to these factors, and made comparisons between these two types of cells, when possible, in an attempt to achieve a clear understanding of the characteristics of IVD progenitor cells when compared to MSCs; as well as, to provide possible clues to cell fate after implantation, which may facilitate future manipulation and design of IVD regeneration studies.
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11
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Chen Y, Chen Q, Zhong M, Xu C, Wu Y, Chen R. miR-637 Inhibits Osteogenic Differentiation of Human Intervertebral Disc Cartilage Endplate Stem Cells by Targeting WNT5A. J INVEST SURG 2022; 35:1313-1321. [PMID: 35296211 DOI: 10.1080/08941939.2022.2050857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Background: Degenerative disk disease (DDD) remains the leading incentive of severe lumbago. DDD is mainly caused by degeneration of cartilage endplate (CEP). Cartilage endplate stem cells (CESCs) are essential in chondrogenesis and osteogenesis of CEP. This study investigated the mechanism of miR-637 inhibiting osteogenic differentiation of human CESC by regulating WNT5A.Methods: The degenerative CEP (N = 10) and non-degenerative CEP (N = 6) were obtained from patients undergoing disk fusion surgery. CESCs were examined for surface stem cell markers, alkaline phosphatase (ALP) levels, osteogenic differentiation, osteogenic genes (Runx2, COL1), and chondrogenic gene (COL2). The miR-637 expression in CESCs was detected. The targeting relationship of miR-637 and WNT5A was confirmed. After miR-637 overexpression/WNT5A down-regulation, the action of miR-637/WNT5A on osteogenic differentiation of CESCs was evaluated. After simultaneous overexpression of miR-637/WNT5A, the effect of miR-637 on osteogenic differentiation of CESCs was assessed.Results: miR-637 was down-expressed in degenerative CESCs (D-CESCs), and miR-637 overexpression inhibited the osteogenic differentiation of D-CESCs, while inhibition of miR-637 promoted the osteogenic differentiation ability of D-CESCs. miR-637 targeted WNT5A and down-regulation of WNT5A inhibited the osteogenic differentiation of D-CESCs. Up-regulated WNT5A partially annulled the inhibitory action of miR-637 overexpression on osteogenic differentiation of D-CESCs.Conclusion: miR-637 inhibited osteogenic differentiation of D-CESCs via targeting WNT5A.
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Affiliation(s)
- Yunsheng Chen
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Qin Chen
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Mingliang Zhong
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Canhua Xu
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Yaohong Wu
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Rongchun Chen
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
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12
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Song S, Xiao Z, Dekker FJ, Poelarends GJ, Melgert BN. Macrophage migration inhibitory factor family proteins are multitasking cytokines in tissue injury. Cell Mol Life Sci 2022; 79:105. [PMID: 35091838 PMCID: PMC8799543 DOI: 10.1007/s00018-021-04038-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 02/06/2023]
Abstract
The family of macrophage migration inhibitory factor (MIF) proteins in humans consist of MIF, its functional homolog D-dopachrome tautomerase (D-DT, also known as MIF-2) and the relatively unknown protein named DDT-like (DDTL). MIF is a pleiotropic cytokine with multiple properties in tissue homeostasis and pathology. MIF was initially found to associate with inflammatory responses and therefore established a reputation as a pro-inflammatory cytokine. However, increasing evidence demonstrates that MIF influences many different intra- and extracellular molecular processes important for the maintenance of cellular homeostasis, such as promotion of cellular survival, antioxidant signaling, and wound repair. In contrast, studies on D-DT are scarce and on DDTL almost nonexistent and their functions remain to be further investigated as it is yet unclear how similar they are compared to MIF. Importantly, the many and sometimes opposing functions of MIF suggest that targeting MIF therapeutically should be considered carefully, taking into account timing and severity of tissue injury. In this review, we focus on the latest discoveries regarding the role of MIF family members in tissue injury, inflammation and repair, and highlight the possibilities of interventions with therapeutics targeting or mimicking MIF family proteins.
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13
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He R, Wang Z, Cui M, Liu S, Wu W, Chen M, Wu Y, Qu Y, Lin H, Chen S, Wang B, Shao Z. HIF1A Alleviates compression-induced apoptosis of nucleus pulposus derived stem cells via upregulating autophagy. Autophagy 2021; 17:3338-3360. [PMID: 33455530 PMCID: PMC8632345 DOI: 10.1080/15548627.2021.1872227] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 12/31/2020] [Indexed: 12/29/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is the primary pathological mechanism that underlies low back pain. Overloading-induced cell death, especially endogenous stem cell death, is the leading factor that undermines intrinsic repair and aggravates IDD. Previous research has separately studied the effect of oxygen concentration and mechanical loading in IDD. However, how these two factors synergistically influence endogenous repair remains unclear. Therefore, we established in vitro and in vivo models to study the mechanisms by which hypoxia interacted with overloading-induced cell death of the nucleus pulposus derived stem cells (NPSCs). We found the content of HIF1A (hypoxia inducible factor 1 subunit alpha) and the number of NPSCs decreased with disc degeneration in both rats and human discs. Hence, we isolated this subpopulation from rat discs and treated them simultaneously with hypoxia and excessive mechanical stress. Our results demonstrated that hypoxia exerted protective effect on NPSCs under compression, partially through elevating macroautophagy/autophagy. Proteomics and knockdown experiments further revealed HIF1A-BNIP3-ATG7 axis mediated the increase in autophagy flux, in which HMOX1 and SLC2A1 were also involved. Moreover, HIF1A-overexpressing NPSCs exhibited stronger resistance to over-loading induced apoptosis in vitro. They also showed higher survival rates, along with elevated autophagy after being intra-disc transplanted into over-loaded discs. Jointly, both in vivo and in vitro experiments proved the anti-apoptotic effect of HIF1A on NPSCs under the excessive mechanical loading, suggesting that restoring hypoxia and manipulating autophagy is crucial to maintain the intrinsic repair and to retard disc degeneration.Abbreviations: 3-MA: 3-methyladenine; ACAN: aggrecan; ATG7: autophagy related 7; BafA1: bafilomycin A1; BAX: BCL2 associated X, apoptosis regulator; BECN1: beclin 1; BNIP3: BCL2 interacting protein 3; BNIP3L: BCL2 interacting protein 3 like; CASP3: caspase 3; CCK8: cell counting kit-8; CHT: chetomin; CMP: compression; CoCl2: cobalt chloride; COL2A1: collagen type II alpha 1 chain; Ctrl: control; DAPI: 4,6-diamidino-2-phenylindole; DEP: differentially expressed protein; DiR: 1,1-dioctadecyl-3,3,3,3-tetramethyl indotricarbocyanine; ECM: extracellular matrix; FCM: flow cytometry; GD2: disialoganglioside GD 2; GFP: green fluorescent protein; GO: gene ontology; GSEA: gene set enrichment analysis; H&E: hematoxylin-eosin; HIF1A: hypoxia inducible factor 1 subunit alpha; HK2: hexokinase 2; HMOX1: heme oxygenase 1; HX: hypoxia mimicry; IDD: intervertebral disc degeneration; IF: immunofluorescence; IHC: immunohistochemistry; IVD: intervertebral disc; KEGG: kyoto encyclopedia of genes and genomes; LBP: low back pain; Lv: lentivirus; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MMP: mitochondrial membrane potential; NC: negative control; NIR: near-infrared; NP: nucleus pulposus; NPC: nucleus pulposus cell; NPSC: nucleus pulposus derived stem cell; NX: normoxia; PPI: protein-protein interactions; RFP: red fluorescent protein; SLC2A1/GLUT1: solute carrier family 2 member 1; SQSTM1/p62: sequestosome 1; TEK/TIE2: TEK receptor tyrosine kinase; TEM: transmission electron microscopy; TUBB: tubulin beta class I.
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Affiliation(s)
- Ruijun He
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Zhe Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Cui
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sheng Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mo Chen
- Department of Health Management, School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongchao Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanji Qu
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Hui Lin
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sheng Chen
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Baichuan Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zengwu Shao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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14
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Jin K, Zheng L, Ye L, Xie Z, Gao J, Lou C, Pan W, Pan B, Liu S, Chen Z, He D. Chicago sky blue 6B (CSB6B), an allosteric inhibitor of macrophage migration inhibitory factor (MIF), suppresses osteoclastogenesis and promotes osteogenesis through the inhibition of the NF-κB signaling pathway. Biochem Pharmacol 2021; 192:114734. [PMID: 34411569 DOI: 10.1016/j.bcp.2021.114734] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 08/12/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
Macrophage migration inhibitory factor (MIF) is a pleiotropic pro-inflammatory mediator involved in various pathophysiological and inflammatory states. Accumulating line of evidence suggests a role for MIF in regulating bone metabolism and therefore a prime candidate for therapeutic targeting. In this study, we showed that Chicago sky blue 6B (CSB6B) suppresses RANKL-induced osteoclast and bone resorption in vitro via the inhibition of NF-κB signaling activation and promoting proteasome-mediated degradation of MIF. Consequently, the induction of NFATc1 was impaired resulting in downregulation of NFATc1-responsive osteoclast genes. We also demonstrated that CSB6B treatment enhanced primary calvarial osteoblast differentiation and bone mineralization in vitro via the suppression of NF-κB activation and upregulation of Runx expression. Using two murine models of osteolytic bone disorders, we further showed that administration of CSB6B protected mice against pathological inflammatoryc calvarial bone destruction induced by titanium particles mice as well as estrogen-deficiency induced bone loss as a result of ovariectomy. Together, as an MIF inhibitor, CSB6B can inhibit osteoclast differentiation and bone resorption function and enhance the mineralization of osteoblasts through the inhibition of NF-κB pathway. MIF is a prime target for therapeutic targeting for the treatment of osteolytic bone disorders and the MIF inhibitor CSB6B could be potential anti-osteoporosis drug.
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Affiliation(s)
- Kangtao Jin
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Lin Zheng
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China; Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China; Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Lin Ye
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Ziang Xie
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China; Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Jiawei Gao
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Chao Lou
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Wenzheng Pan
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Bin Pan
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Shijie Liu
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China
| | - Zhenzhong Chen
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China; Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Dengwei He
- Department of Orthopedics, Affiliated Lishui Hospital of Zhejiang University/the Fifth Affiliated Hospital of Wenzhou Medical University/Lishui Central Hospital, Lishui, China.
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15
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Intervertebral Disc Stem/Progenitor Cells: A Promising "Seed" for Intervertebral Disc Regeneration. Stem Cells Int 2021; 2021:2130727. [PMID: 34367292 PMCID: PMC8342144 DOI: 10.1155/2021/2130727] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/08/2021] [Indexed: 12/11/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is considered to be the primary reason for low back pain (LBP), which has become more prevalent from 21 century, causing an enormous economic burden for society. However, in spite of remarkable improvements in the basic research of IVD degeneration (IVDD), the effects of clinical treatments of IVDD are still leaving much to be desired. Accumulating evidence has proposed the existence of endogenous stem/progenitor cells in the IVD that possess the ability of proliferation and differentiation. However, few studies have reported the biological properties and potential application of IVD progenitor cells in detail. Even so, these stem/progenitor cells have been consumed as a promising cell source for the regeneration of damaged IVD. In this review, we will first introduce IVD, describe its physiology and stem/progenitor cell niche, and characterize IVDSPCs between homeostasis and IVD degeneration. We will then summarize recent studies on endogenous IVDSPC-based IVD regeneration and exogenous cell-based therapy for IVDD. Finally, we will discuss the potential applications and future developments of IVDSPC-based repair of IVD degeneration.
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16
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Metabolomics in Bone Research. Metabolites 2021; 11:metabo11070434. [PMID: 34357328 PMCID: PMC8303949 DOI: 10.3390/metabo11070434] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/18/2021] [Accepted: 06/28/2021] [Indexed: 12/12/2022] Open
Abstract
Identifying the changes in endogenous metabolites in response to intrinsic and extrinsic factors has excellent potential to obtain an understanding of cells, biofluids, tissues, or organisms' functions and interactions with the environment. The advantages provided by the metabolomics strategy have promoted studies in bone research fields, including an understanding of bone cell behaviors, diagnosis and prognosis of diseases, and the development of treatment methods such as implanted biomaterials. This review article summarizes the metabolism changes during osteogenesis, osteoclastogenesis, and immunoregulation in hard tissue. The second section of this review is dedicated to describing and discussing metabolite changes in the most relevant bone diseases: osteoporosis, bone injuries, rheumatoid arthritis, and osteosarcoma. We consolidated the most recent finding of the metabolites and metabolite pathways affected by various bone disorders. This collection can serve as a basis for future metabolomics-driven bone research studies to select the most relevant metabolites and metabolic pathways. Additionally, we summarize recent metabolic studies on metabolomics for the development of bone disease treatment including biomaterials for bone engineering. With this article, we aim to provide a comprehensive summary of metabolomics in bone research, which can be helpful for interdisciplinary researchers, including material engineers, biologists, and clinicians.
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17
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Deficiency of MIF Accentuates Overloaded Compression-Induced Nucleus Pulposus Cell Oxidative Damage via Depressing Mitophagy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6192498. [PMID: 34306312 PMCID: PMC8270705 DOI: 10.1155/2021/6192498] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/04/2021] [Accepted: 06/11/2021] [Indexed: 12/15/2022]
Abstract
Established studies proved that mechanical compression loading had multiple effects on the biological behavior of the intervertebral disc (IVD). However, the regulating mechanism involved in this process remains unclear. The current study is aimed at exploring the potential bioregulators and signaling pathways involved in the compression-associated biological changes of nucleus pulposus (NP) cells. Tandem mass tag- (TMT-) based quantitative proteomics was exerted to analyze the differentially expressed proteins (DEPs) and signal pathways among the different groups of NP cells cultured under noncompression, low-compression (LC), and high-compression (HC) loading. Eight potential protective bioregulators for the NP cell survival under different compression loading were predicted by the proteomics, among which macrophage migration inhibitory factor (MIF) and oxidative stress-related pathways were selected for further evaluation, due to its similar function in regulating the fate of the cartilage endplate- (CEP-) derived cells. We found that deficiency of MIF accentuates the accumulation of ROS, mitochondrial dysfunction, and senescence of NP cells under overloaded mechanical compression. The potential molecular mechanism involved in this process is related to the mitophagy regulating role of MIF. Our findings provide a better understanding of the regulatory role of mechanical compression on the cellular fate commitment and matrix metabolism of NP, and the potential strategies for treating disc degenerative diseases via using MIF-regulating agents.
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Parol-Kulczyk M, Gzil A, Maciejewska J, Bodnar M, Grzanka D. Clinicopathological significance of the EMT-related proteins and their interrelationships in prostate cancer. An immunohistochemical study. PLoS One 2021; 16:e0253112. [PMID: 34157052 PMCID: PMC8219170 DOI: 10.1371/journal.pone.0253112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 05/29/2021] [Indexed: 11/19/2022] Open
Abstract
The chronic inflammation influences a microenvironment, where as a result of losing control over tissue homeostatic mechanisms, the carcinogenesis process may be induced. Inflammatory response cells can secrete a number of factors that support both initiation and progression of cancer and also they may consequently induct an epithelial-mesenchymal transition (EMT), the process responsible for development of distant metastasis. Macrophage migration inhibitory factor (MIF) acts as a pro-inflammatory cytokine that is considered as a link between chronic inflammation and tumor development. MIF can function as a modulator of important cancer-related genes expression, as well as an activator of signaling pathways that promotes the development of prostate cancer. The study was performed on FFPE tissues resected from patients who underwent radical prostatectomy. To investigate the relationship of studied proteins with involvement in tumor progression and initiation of epithelial-to-mesenchymal transition (EMT) process, we selected clinicopathological parameters related to tumor progression. Immunohistochemical analyses of MIF, SOX-4, β-catenin and E-cadherin were performed on TMA slides. We found a statistically significant correlation of overall β-catenin expression with the both lymph node metastasis (p<0.001) and presence of angioinvasion (p = 0.012). Membrane β-catenin expression was associated with distant metastasis (p = 0.021). In turn, nuclear MIF was correlated with lymph node metastasis (p = 0.003). The positive protein-protein correlations have been shown between the total β-catenin protein expression level with level of nuclear SOX-4 protein expression (r = 0.27; p<0.05) as well as negative correlation of β-catenin expression with level of nuclear MIF protein expression (r = -0.23; p<0.05). Our results seem promising and strongly highlight the potential role of MIF in development of nodal metastases as well as may confirm an involvement of β-catenin in disease spread in case of prostate cancer.
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Affiliation(s)
- Martyna Parol-Kulczyk
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
| | - Arkadiusz Gzil
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
| | - Joanna Maciejewska
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
| | - Magdalena Bodnar
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
| | - Dariusz Grzanka
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
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19
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Lakstins K, Yeater T, Arnold L, Khan S, Hoyland JA, Purmessur D. Investigating the role of culture conditions on hypertrophic differentiation in human cartilage endplate cells. J Orthop Res 2021; 39:1204-1216. [PMID: 32285966 DOI: 10.1002/jor.24692] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/18/2020] [Accepted: 03/28/2020] [Indexed: 02/04/2023]
Abstract
Cartilage endplate degeneration/calcification has been linked to the onset and progression of intervertebral disc degeneration and there is a critical need to understand mechanisms, such as hypertrophic differentiation, of cartilage endplate degeneration/calcification to inform treatment strategies for discogenic back pain. In vitro cell culture conditions capable of inducing hypertrophic differentiation are used to study pathophysiological mechanisms in articular chondrocytes, but culture conditions capable of inducing a hypertrophic cartilage endplate cell phenotype have yet to be explored. The goal of this study was to investigate the role of culture conditions capable of inducing hypertrophic differentiation in articular chondrocytes on hypertrophic differentiation in human cartilage endplate cells. Isolated human cartilage endplate cells were cultured as pellets for 21 days at either 5% O2 (physiologic for cartilage) or 20.7% O2 (hyperoxic) and treated with 10% fetal bovine serum or Wnt agonist, two stimuli used to induce hypertrophic differentiation in articular chondrocytes. Cartilage endplate cells did not exhibit a hypertrophic cell morphology in response to fetal bovine serum or Wnt agonist but did display other hallmarks of chondrocyte hypertrophy and degeneration such as hypertrophic gene and protein expression, and a decrease in healthy proteoglycans and an increase in fibrous collagen accumulation. These findings demonstrate that cartilage endplate cells take on a degenerative phenotype in response to hypertrophic stimuli in vitro, but do not undergo classical changes in morphology associated with hypertrophic differentiation regardless of oxygen levels, highlighting potential differences in the response of cartilage endplate cells versus articular chondrocytes to the same stimuli.
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Affiliation(s)
- Katherine Lakstins
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio
| | - Taylor Yeater
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio
| | - Lauren Arnold
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio
| | - Safdar Khan
- Department of Orthopedics, The Ohio State University, Columbus, Ohio
| | - Judith A Hoyland
- Division of Cell Matrix Biology and Regenerative Medicine, The University of Manchester, Manchester, UK.,NIHR Manchester Biomedical Research Centre, Central Manchester Foundation Trust, Manchester Academic Health Science Centre, School of Biological Sciences, Manchester, UK
| | - Devina Purmessur
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio.,Department of Orthopedics, The Ohio State University, Columbus, Ohio
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20
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Jiang J, Sun Y, Xu G, Wang H, Wang L. The role of miRNA, lncRNA and circRNA in the development of intervertebral disk degeneration (Review). Exp Ther Med 2021; 21:555. [PMID: 33850527 PMCID: PMC8027750 DOI: 10.3892/etm.2021.9987] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 06/05/2020] [Indexed: 12/14/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a degenerative musculoskeletal disorder with multiple causative factors, such as age, genetics, mechanics and life style. IVDD contributes to non-specific lower back pain (NLBP), which is a globally prevalent and debilitating musculoskeletal disorder. NLBP has a substantial impact on medical resources and creates an economic burden for the public. Dysregulated phenotypes of nucleus pulposus (NP) cells and endplate chondrocytes, such as proliferation, senescence and apoptosis, along with aberrant expression of extracellular matrix components, including type II collagen and aggrecan, are involved in the pathological process of IVDD. Evidence indicates that non-coding RNAs, mainly microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs), play a vital role in the development of IVDD. In the present review, the potential molecular mechanisms of miRNAs, lncRNAs and circRNAs in the initiation and progression of IVDD were described based on the latest literature. Furthermore, ways to influence the functions of NP cells and endplate chondrocytes in IVDD were also summarized. The presented insights suggested that non-coding RNAs may function as potential targets for the treatment of IVDD.
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Affiliation(s)
- Jian Jiang
- Department of Minimally Invasive Spine Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Yuefeng Sun
- Department of Spine Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116000, P.R. China
| | - Gaoran Xu
- Department of General Surgery, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116000, P.R. China
| | - Hong Wang
- Department of Spine Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116000, P.R. China
| | - Ling Wang
- Department of Oncology Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116000, P.R. China
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21
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Fu L, Zhang L, Zhang X, Chen L, Cai Q, Yang X. Roles of oxygen level and hypoxia-inducible factor signaling pathway in cartilage, bone and osteochondral tissue engineering. Biomed Mater 2021; 16:022006. [PMID: 33440367 DOI: 10.1088/1748-605x/abdb73] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The repair and treatment of articular cartilage injury is a huge challenge of orthopedics. Currently, most of the clinical methods applied in treating cartilage injuries are mainly to relieve pains rather than to cure them, while the strategy of tissue engineering is highly expected to achieve the successful repair of osteochondral defects. Clear understandings of the physiological structures and mechanical properties of cartilage, bone and osteochondral tissues have been established, but the understanding of their physiological heterogeneity still needs further investigation. Apart from the gradients in the micromorphology and composition of cartilage-to-bone extracellular matrixes, an oxygen gradient also exists in natural osteochondral tissue. The response of hypoxia-inducible factor (HIF)-mediated cells to oxygen would affect the differentiation of stem cells and the maturation of osteochondral tissue. This article reviews the roles of oxygen level and HIF signaling pathway in the development of articular cartilage tissue, and their prospective applications in bone and cartilage tissue engineering. The strategies for regulating HIF signaling pathway and how these strategies finding their potential applications in the regeneration of integrated osteochondral tissue are also discussed.
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Affiliation(s)
- Lei Fu
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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22
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Jiang Y, Xie Y, Chen Z, Li K, Zheng X. Preparation and characteristics of a novel oxygen-releasing coating for improved cell responses in hypoxic environment. J Biomed Mater Res A 2020; 109:248-261. [PMID: 32496645 DOI: 10.1002/jbm.a.37020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/21/2020] [Accepted: 04/27/2020] [Indexed: 12/16/2022]
Abstract
Affected by environmental factors such as oxygen deficiency, the secretion of growth factor was abnormal in bone injury sites, resulting in the poor responses of osteoblasts and prolonging the healing process. Herein, in this study, we reported an in situ oxygen-releasing porous titanium coating that combines the dual degradability of poly(lactic-co-glycolic acid) with the self-releasing oxygen capacity of the CaO2 core. The resulting formulation exhibited stable oxygen-releasing capacity as well as the ability to promote proliferation and differentiation of the MC3T3 cell line under hypoxia conditions. According to these results, oxygen-releasing coatings based on improved cellular microenvironment may be a promising bone repair material that would reduce the incidence of difficult bone healing in the future.
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Affiliation(s)
- Yuyin Jiang
- Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Youtao Xie
- Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Zhaoming Chen
- Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Kai Li
- Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Xuebin Zheng
- Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
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Abstract
Intervertebral disc (IVD) degeneration is associated with low back pain. In IVDs, a high mechanical load, high osmotic pressure and hypoxic conditions create a hostile microenvironment for resident cells. How IVD homeostasis and function are maintained under stress remains to be understood; however, several research groups have reported isolating native endogenous progenitor-like or otherwise proliferative cells from the IVD. The isolation of such cells implies that the IVD might contain a quiescent progenitor-like population that could be activated for IVD repair and regeneration. Increased understanding of endogenous disc progenitor cells will improve our knowledge of IVD homeostasis and, when combined with tissue engineering techniques, might hold promise for future therapeutic applications. In this Review, the characteristics of progenitor cells in different IVD compartments are discussed, as well as the potency of different cell populations within the IVD. The stem cell characteristics of these cells are also compared with those of mesenchymal stromal cells. On the basis of existing evidence, whether and how IVD degeneration and the hostile microenvironment might affect endogenous progenitor cell function are considered, and ways to channel the potential of these cells for IVD repair are suggested.
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24
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Liu X, Li X, Zhu W, Zhang Y, Hong Y, Liang X, Fan B, Zhao H, He H, Zhang F. Exosomes from mesenchymal stem cells overexpressing MIF enhance myocardial repair. J Cell Physiol 2020; 235:8010-8022. [PMID: 31960418 DOI: 10.1002/jcp.29456] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 01/06/2020] [Indexed: 12/22/2022]
Abstract
Accumulating evidence has shown that mesenchymal stem cell (MSC)-derived exosomes (exo) mediate cardiac repair following myocardial infarction (MI). Macrophage migration inhibitory factor (MIF), a proinflammatory cytokine, plays a critical role in regulating cell homeostasis. This study aimed to investigate the cardioprotective effects of exo secreted from bone marrow-MSCs (BM-MSCs) overexpressing MIF in a rat model of MI. MIF plasmid was transducted in BM-MSCs. Exo were isolated from the supernatants of BM-MSCs and MIF-BM-MSCs, respectively. The morphology of mitochondria in neonatal mice cardiomyocytes (NRCMs) was determined by MitoTracker staining. The apoptosis of NRCMs was examined by deoxynucleotidyl transferase-mediated dUTP nick end-labeling. BM-MSC-exo and MIF-BM-MSC-exo were intramuscularly injected into the peri-infarct region in a rat model of MI. The heart function of rats was assessed by echocardiography. The expression of MIF was greatly enhanced in MIF-BM-MSCs compared with BM-MSCs. Both BM-MSC-exo and MIF-BM-MSC-exo expressed CD63 and CD81. NRCMs treated with MIF-BM-MSC-exo exhibited less mitochondrial fragmentation and cell apoptosis under hypoxia/serum deprivation (H/SD) challenge than those treated with BM-MSC-exo via activating adenosine 5'-monophosphate-activated protein kinase signaling. Moreover, these effects were partially abrogated by Compound C. Injection of BM-MSC-exo or MIF-BM-MSC-exo greatly restored heart function in a rat model of MI. Compared with BM-MSC-exo, injection of MIF-BM-MSC-exo was associated with enhanced heart function, reduced heart remodeling, less cardiomyocyte mitochondrial fragmentation, reactive oxygen species generation, and apoptosis. Our study reveals a new mechanism of MIF-BM-MSC-exo-based therapy for MI and provides a novel strategy for cardiovascular disease treatment.
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Affiliation(s)
- Xiaolin Liu
- Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xin Li
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Emergency and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Wenwu Zhu
- Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yuelin Zhang
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Emergency and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yimei Hong
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Emergency and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xiaoting Liang
- Clinical Translational Medical Research Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Baohan Fan
- Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hongyan Zhao
- Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Haiwei He
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Department of Emergency and Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Fengxiang Zhang
- Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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25
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Sun C, Lan W, Li B, Zuo R, Xing H, Liu M, Li J, Yao Y, Wu J, Tang Y, Liu H, Zhou Y. Glucose regulates tissue-specific chondro-osteogenic differentiation of human cartilage endplate stem cells via O-GlcNAcylation of Sox9 and Runx2. Stem Cell Res Ther 2019; 10:357. [PMID: 31779679 PMCID: PMC6883626 DOI: 10.1186/s13287-019-1440-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/21/2019] [Accepted: 10/01/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The degenerative disc disease (DDD) is a major cause of low back pain. The physiological low-glucose microenvironment of the cartilage endplate (CEP) is disrupted in DDD. Glucose influences protein O-GlcNAcylation via the hexosamine biosynthetic pathway (HBP), which is the key to stem cell fate. Thiamet-G is an inhibitor of O-GlcNAcase for accumulating O-GlcNAcylated proteins while 6-diazo-5-oxo-L-norleucine (DON) inhibits HBP. Mechanisms of DDD are incompletely understood but include CEP degeneration and calcification. We aimed to identify the molecular mechanisms of glucose in CEP calcification in DDD. METHODS We assessed normal and degenerated CEP tissues from patients, and the effects of chondrogenesis and osteogenesis of the CEP were determined by western blot and immunohistochemical staining. Cartilage endplate stem cells (CESCs) were induced with low-, normal-, and high-glucose medium for 21 days, and chondrogenic and osteogenic differentiations were measured by Q-PCR, western blot, and immunohistochemical staining. CESCs were induced with low-glucose and high-glucose medium with or without Thiamet-G or DON for 21 days, and chondrogenic and osteogenic differentiations were measured by Q-PCR, western blot, and immunohistochemical staining. Sox9 and Runx2 O-GlcNAcylation were measured by immunofluorescence. The effects of O-GlcNAcylation on the downstream genes of Sox9 and Runx2 were determined by Q-PCR and western blot. RESULTS Degenerated CEPs from DDD patients lost chondrogenesis, acquired osteogenesis, and had higher protein O-GlcNAcylation level compared to normal CEPs from LVF patients. CESC chondrogenic differentiation gradually decreased while osteogenic differentiation gradually increased from low- to high-glucose differentiation medium. Furthermore, Thiamet-G promoted CESC osteogenic differentiation and inhibited chondrogenic differentiation in low-glucose differentiation medium; however, DON acted opposite role in high-glucose differentiation medium. Interestingly, we found that Sox9 and Runx2 were O-GlcNAcylated in differentiated CESCs. Finally, O-GlcNAcylation of Sox9 and Runx2 decreased chondrogenesis and increased osteogenesis in CESCs. CONCLUSIONS Our findings demonstrate the effect of glucose concentration on regulating the chondrogenic and osteogenic differentiation potential of CESCs and provide insight into the mechanism of how glucose concentration regulates Sox9 and Runx2 O-GlcNAcylation to affect the differentiation of CESCs, which may represent a target for CEP degeneration therapy.
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Affiliation(s)
- Chao Sun
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Weiren Lan
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Bin Li
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Rui Zuo
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Hui Xing
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Minghan Liu
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Jie Li
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Yuan Yao
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Junlong Wu
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China
| | - Yu Tang
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China.
| | - Huan Liu
- Department of Orthopaedics, The Second Affiliated Hospital of Southwest Medical University, Lu Zhou, 646000, Sichuan, People's Republic of China.
| | - Yue Zhou
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, 400038, People's Republic of China.
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26
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Fu Z, Song X, Guo L, Yang L, Chen C. Effects of Conditioned Medium From Osteoarthritic Cartilage Fragments on Donor-Matched Infrapatellar Fat Pad-Derived Mesenchymal Stromal Cells. Am J Sports Med 2019; 47:2927-2936. [PMID: 31461339 DOI: 10.1177/0363546519869241] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Mesenchymal stromal cell (MSC)-based therapies have emerged as a promising strategy for osteoarthritis (OA) treatment. In particular, infrapatellar fat pad (IPFP)-derived MSCs have become a good option to treat knee OA. PURPOSE To investigate the influence of the local microenvironment of the knee joint, especially OA cartilage, on the bioactivities of injected/implanted IPFP MSCs. STUDY DESIGN Controlled laboratory study. METHODS Conditioned medium (CM) derived from OA cartilage fragments was collected and characterized. Donor-matched IPFP MSCs were treated with control medium (Dulbecco's modified Eagle medium (DMEM)/F-12 or chondrogenic medium), control medium + CM, or CM alone; and a series of behaviors including the viability, migration, chondrogenic and hypertrophic differentiation, and catabolic activity of IPFP MSCs were evaluated among groups. RESULTS There were 14 cytokines detected in CM. CM treatment improved the viability of IPFP MSCs. CM hindered the migration of IPFP MSCs. In chondrogenic differentiation, the presence of CM increased the expression of chondrogenic markers but also enhanced the state of hypertrophy and catabolism. CONCLUSION OA cartilage-secreted factors could induce chondrogenic differentiation but also resulted in negative effects including the weakened migration, increased hypertrophy, and catabolism of IPFP MSCs in vitro. CLINICAL RELEVANCE These findings provide an insight on the fate of IPFP MSCs after intra-articular injections.
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Affiliation(s)
- Zhenlan Fu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xiongbo Song
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Lin Guo
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Liu Yang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Cheng Chen
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing, China
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Inhibition of the Notch1 Pathway Promotes the Effects of Nucleus Pulposus Cell-Derived Exosomes on the Differentiation of Mesenchymal Stem Cells into Nucleus Pulposus-Like Cells in Rats. Stem Cells Int 2019; 2019:8404168. [PMID: 31249601 PMCID: PMC6526523 DOI: 10.1155/2019/8404168] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 02/17/2019] [Accepted: 03/19/2019] [Indexed: 12/15/2022] Open
Abstract
Stem cell therapies for intervertebral disc degeneration have been demonstrated as a promising strategy. Previous studies have shown that human nucleus pulposus cell- (NPC-) derived exosomes can induce the differentiation of mesenchymal stem cells (MSCs) into NP-like cells in vitro. However, the mechanism of MSC differentiation into NP-like cells with the induction of NPC exosomes is still unclear. Here, we verified the induction effects of NPC exosomes on the differentiation of MSCs into NP-like cells. In addition, the Notch1 pathway was downregulated in this process. Then, DAPT and soluble Jagged1 (SJAG) were applied to inhibit or enhance the expression of the Notch1 pathway, respectively, resulting in the upregulation or downregulation of collagen II, aggrecan, and Sox9 in MSCs. Knocking down of Notch1 protein facilitated the effects of NPC exosomes on the differentiation of MSCs into NP-like cells. NPC exosomes were more effective than an indirect coculture system in terms of the differentiation of MSCs into NP-like cells. Inhibition of NPC exosome secretion with Rab27a siRNA prevented the induction effects of an indirect coculture system on the differentiation of MSCs into NP-like cells. Transwell migration assays revealed that NPC exosomes could promote the migration of MSCs. Taken together, the Notch1 pathway was negatively associated with the differentiation of MSCs into NP-like cells with the treatments of NPC exosomes. Inhibition of the Notch1 pathway facilitates NPC exosome-induced differentiation of MSCs into NP-like cells in vitro. NPC exosomes play a key role in the differentiation of MSCs into NP-like cells in an indirect coculture system of NPCs and MSCs.
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28
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Zuo R, Wang Y, Li J, Wu J, Wang W, Li B, Sun C, Wang Z, Shi C, Zhou Y, Liu M, Zhang C. Rapamycin Induced Autophagy Inhibits Inflammation-Mediated Endplate Degeneration by Enhancing Nrf2/Keap1 Signaling of Cartilage Endplate Stem Cells. Stem Cells 2019; 37:828-840. [PMID: 30840341 DOI: 10.1002/stem.2999] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/01/2019] [Accepted: 02/20/2019] [Indexed: 12/24/2022]
Abstract
Cartilage endplate (CEP) calcification inhibits the transport of metabolites and nutrients in the intervertebral disk and is an important initiating factor of intervertebral disk degeneration. However, the mechanisms governing CEP degeneration have not been thoroughly elucidated. In this study, we established a mouse CEP degeneration model and showed that autophagy insufficiency caused the degeneration of CEP. We found that the inflammatory cytokine tumor necrosis factor-α (TNF-α) increased the level of intracellular reactive oxygen species (ROS) and caused cell senescence and osteogenic differentiation of cartilage endplate stem cells (CESCs), whereas rapamycin-induced autophagy protected CESCs from TNF-α-induced oxidative stress and cell senescence. Furthermore, rapamycin-induced autophagy helped CESCs maintain the chondrogenic properties and inhibited extracellular matrix protease expression and osteogenic differentiation. Further study revealed that autophagy activated by rapamycin or inhibited by chloroquine influenced the expression and nuclear translocation of Nrf2, thereby controlling the expression of antioxidant proteins and the scavenging of ROS. Taken together, the results indicate that rapamycin-induced autophagy enhances Nrf2/Keap1 signaling and promotes the expression of antioxidant proteins, thereby eliminating ROS, alleviating cell senescence, reducing the osteogenic differentiation of CESCs, and ultimately protecting CEPs from chronic inflammation-induced degeneration. Stem Cells 2019;37:828-840.
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Affiliation(s)
- Rui Zuo
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Yanqiu Wang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Jie Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Junlong Wu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Wenkai Wang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Bin Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Chao Sun
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Ziwen Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns, and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Chunmeng Shi
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns, and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Yue Zhou
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Minghan Liu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Chao Zhang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
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Intervertebral Disc-Derived Stem/Progenitor Cells as a Promising Cell Source for Intervertebral Disc Regeneration. Stem Cells Int 2018; 2018:7412304. [PMID: 30662469 PMCID: PMC6312624 DOI: 10.1155/2018/7412304] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 10/18/2018] [Accepted: 11/05/2018] [Indexed: 12/14/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is considered to be the primary reason for low back pain. Despite remarkable improvements in both pharmacological and surgical management of IVD degeneration (IVDD), therapeutic effects are still unsatisfactory. It is because of the fact that these therapies are mainly focused on alleviating the symptoms rather than treating the underlying cause or restoring the structure and biomechanical function of the IVD. Accumulating evidence has revealed that the endogenous stem/progenitor cells exist in the IVD, and these cells might be a promising cell source in the regeneration of degenerated IVD. However, the biological characteristics and potential application of IVD-derived stem/progenitor cells (IVDSCs) have yet to be investigated in detail. In this review, the authors aim to perform a review to systematically discuss (1) the isolation, surface markers, classification, and biological characteristics of IVDSCs; (2) the aging- and degeneration-related changes of IVDSCs and the influences of IVD microenvironment on IVDSCs; and (3) the potential for IVDSCs to promote regeneration of degenerated IVD. The authors believe that this review exclusively address the current understanding of IVDSCs and provide a novel approach for the IVD regeneration.
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Genetic Markers Can Predict Chondrogenic Differentiation Potential in Bone Marrow-Derived Mesenchymal Stromal Cells. Stem Cells Int 2018; 2018:9530932. [PMID: 30405725 PMCID: PMC6199884 DOI: 10.1155/2018/9530932] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/27/2018] [Indexed: 02/06/2023] Open
Abstract
The precise predictions of the differentiation direction and potential of mesenchymal stromal cells (MSCs) are an important key to the success of regenerative medicine. The expression levels of fate-determining genes may provide tools for predicting differentiation potential. The expression levels of 95 candidate marker genes and glycosaminoglycan (GAG) contents after chondrogenic induction in 10 undifferentiated ilium and 5 jaw MSC cultures were determined, and their correlations were analyzed. The expression levels of eight genes before the induction of chondrogenic MSC differentiation were significantly correlated with the GAG levels after induction. Based on correlation patterns, the eight genes were classified into two groups: group 1 genes (AURKB, E2F1, CDKN2D, LIF, and ACLY), related to cell cycle regulation, and group 2 genes (CD74, EFEMP1, and TGM2), involved in chondrogenesis. The expression levels of the group 2 genes were significantly correlated with the ages of the cell donors. The expression levels of CDKN2D, CD74, and TGM2 were >10-fold higher in highly potent MSCs (ilium MSCs) than in MSCs with limited potential (jaw MSCs). Three-dimensional (3D) scatter plot analyses of the expression levels of these genes showed reduced variability between donors and confirmed predictive potential. These data suggest that group 2 genes are involved in age-dependent decreases in the chondrogenic differentiation potential of MSCs, and combined 3D analyses of the expression profiles of three genes, including two group 2 genes, were predictive of MSC differentiation potential.
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31
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Bahsoun S, Coopman K, Forsyth NR, Akam EC. The Role of Dissolved Oxygen Levels on Human Mesenchymal Stem Cell Culture Success, Regulatory Compliance, and Therapeutic Potential. Stem Cells Dev 2018; 27:1303-1321. [DOI: 10.1089/scd.2017.0291] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Soukaina Bahsoun
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, United Kingdom
| | - Karen Coopman
- Centre for Biological Engineering, Loughborough University, Loughborough, United Kingdom
| | - Nicholas R. Forsyth
- Guy Hilton Research Centre, Institute for Science and Technology in Medicine, Keele University, Keele, United Kingdom
| | - Elizabeth C. Akam
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, United Kingdom
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32
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Huang KY, Hsu YH, Chen WY, Tsai HL, Yan JJ, Wang JD, Liu WL, Lin RM. The roles of IL-19 and IL-20 in the inflammation of degenerative lumbar spondylolisthesis. JOURNAL OF INFLAMMATION-LONDON 2018; 15:19. [PMID: 30250404 PMCID: PMC6145204 DOI: 10.1186/s12950-018-0195-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 09/03/2018] [Indexed: 12/19/2022]
Abstract
Background Degenerative lumbar spondylolisthesis (DLS) is a major cause of spinal canal stenosis and is often related to lower back pain. IL-20 is emerging as a potent angiogenic, chemotactic, and proinflammatory cytokine related to several chronic inflammatory bone disorders likes intervertebral disc herniation, rheumatoid arthritis (RA), osteoporosis, and bone fracture. IL-19 also acts as a proinflammatory cytokine in RA. The aim of the present study was to investigate whether IL-19 and IL-20 are involved in DLS and compare three different tissues including disc, facet joint, and ligamentum flavum of patients with DLS to verify which tissue is affected more by inflammation. Methods Disc, facet joint and ligamentum flavum from 13 patients with DLS was retrieved, and the expression pattern of IL-19, IL-20, IL-20R1, IL-20R2, TNF-α, IL-1β, and MCP-1 was evaluated using immunohistochemical staining with specific antibodies. The disc cells were isolated and incubated with IL-19 and IL-20 under CoCl2-mimicked hypoxic conditions to analyze the proinflammatory cytokine expression pattern using real-time quantitative PCR with specific primers. Results IL-19 and IL-20 were positively stained and accompanied by abundant expression of TNF-α, IL-1β, and MCP-1 in facet joints of DLS patients. IL-19 and IL-20's receptors (IL-20R1 and IL-20R2) were expressed on chondrocytes and fibrocytes/fibroblasts in facet joint and ligamentum flavum tissues from patients with DLS. There was a significant correlation between the expression of IL-20 and IL-1β in facet joint. In vitro assay, IL-19 and IL-20 upregulated the expression of IL-1β, IL-6, TNF-α, IL-8, VEGF, and MCP-1 in primary cultured DLS disc cells under CoCl2-mimicked hypoxic conditions. Conclusions IL-19, IL-20, and their receptors as well as proinflammatory cytokines (TNF-α, IL-1β, and MCP-1) were expressed more in facet joints than the other tissues in patients with DLS; therefore, the etiology of inflammation might be more facet-centric. IL-19 and IL-20 induced proinflammatory cytokine expression in disc cells and might play a role in the pathogenesis of DLS.
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Affiliation(s)
- Kuo-Yuan Huang
- 1Department of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,2Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Hsiang Hsu
- 2Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,3Clinical Medicine Research Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Yu Chen
- 4Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung, Memorial Hospital, Kaohsiung, Taiwan
| | - Hui-Ling Tsai
- 1Department of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jing-Jou Yan
- 5Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jung-Der Wang
- 6Department of Public of Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Lung Liu
- 1Department of Orthopedics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ruey-Mo Lin
- 7Department of Orthopedics, Tainan Municipal An-Nan Hospital-China Medical University, Tainan, Taiwan
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33
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Li Q, Zhang B, Kasoju N, Ma J, Yang A, Cui Z, Wang H, Ye H. Differential and Interactive Effects of Substrate Topography and Chemistry on Human Mesenchymal Stem Cell Gene Expression. Int J Mol Sci 2018; 19:E2344. [PMID: 30096912 PMCID: PMC6121573 DOI: 10.3390/ijms19082344] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/05/2018] [Accepted: 08/07/2018] [Indexed: 12/22/2022] Open
Abstract
Variations in substrate chemistry and the micro-structure were shown to have a significant effect on the biology of human mesenchymal stromal cells (hMSCs). This occurs when differences in the surface properties indirectly modulate pathways within numerous signaling networks that control cell fate. To understand how the surface features affect hMSC gene expression, we performed RNA-sequencing analysis of bone marrow-derived hMSCs cultured on tissue culture-treated polystyrene (TCP) and poly(l-lactide) (PLLA) based substrates of differing topography (Fl: flat and Fs: fibrous) and chemistry (Pr: pristine and Am: aminated). Whilst 80% of gene expression remained similar for cells cultured on test substrates, the analysis of differentially expressed genes (DEGs) revealed that surface topography significantly altered gene expression more than surface chemistry. The Fl and Fs topologies introduced opposite directional alternations in gene expression when compared to TCP control. In addition, the effect of chemical treatment interacted with that of topography in a synergistic manner with the Pr samples promoting more DEGs than Am samples in all gene ontology function groups. These findings not only highlight the significance of the culture surface on regulating the overall gene expression profile but also provide novel insights into cell-material interactions that could help further design the next-generation biomaterials to facilitate hMSC applications. At the same time, further studies are required to investigate whether or not the observations noted correlate with subsequent protein expression and functionality of cells.
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Affiliation(s)
- Qiongfang Li
- China National GeneBank-Shenzhen, BGI-Shenzhen, 518083 Shenzhen, China.
| | - Bo Zhang
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, OX3 7DQ Oxford, UK.
- Department of Engineering Science, University of Oxford, OX1 3PJ Oxford, UK.
| | - Naresh Kasoju
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, OX3 7DQ Oxford, UK.
| | - Jinmin Ma
- China National GeneBank-Shenzhen, BGI-Shenzhen, 518083 Shenzhen, China.
| | - Aidong Yang
- Department of Engineering Science, University of Oxford, OX1 3PJ Oxford, UK.
| | - Zhanfeng Cui
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, OX3 7DQ Oxford, UK.
| | - Hui Wang
- China National GeneBank-Shenzhen, BGI-Shenzhen, 518083 Shenzhen, China.
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, OX3 7DQ Oxford, UK.
- Oxford Suzhou Centre for Advanced Research, Suzhou Industrial Park, 215123 Suzhou, China.
| | - Hua Ye
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, OX3 7DQ Oxford, UK.
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Radom-Aizik S, Zaldivar FP, Nance DM, Haddad F, Cooper DM, Adams GR. A Translational Model of Incomplete Catch-Up Growth: Early-Life Hypoxia and the Effect of Physical Activity. Clin Transl Sci 2018; 11:412-419. [PMID: 29603633 PMCID: PMC6039202 DOI: 10.1111/cts.12550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 02/14/2018] [Indexed: 12/19/2022] Open
Abstract
Advances in therapies have led to prolonged survival from many previously lethal health threats in children, notably among prematurely born babies and those with congenital heart disease. Evidence for catch‐up growth is common in these children, but in many cases the adult phenotype is never achieved. A translational animal model is required in which specific tissues can be studied over a reasonable time interval. We investigated the impact of postnatal hypoxia (HY) (12%O2 (HY12) or 10% O2 (HY10)) on growth in rats relative to animals raised in room air. Subgroups had access to running wheels following the HY period. Growth was fully compensated in adult HY12 rats but not HY10 rats. The results of this study indicate that neonatal hypoxia can be a useful model for the elucidation of mechanisms that mediate successful catch‐up growth following neonatal insults and identify the critical factors that prevent successful catch‐up growth.
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Affiliation(s)
- Shlomit Radom-Aizik
- Pediatric Exercise and Genomics Research Center (PERC), Departments of Pediatrics, University of California, Irvine, California, USA
| | - Frank P Zaldivar
- Pediatric Exercise and Genomics Research Center (PERC), Departments of Pediatrics, University of California, Irvine, California, USA
| | - Dwight M Nance
- Pediatric Exercise and Genomics Research Center (PERC), Departments of Pediatrics, University of California, Irvine, California, USA
| | - Fadia Haddad
- Pediatric Exercise and Genomics Research Center (PERC), Departments of Pediatrics, University of California, Irvine, California, USA
| | - Dan M Cooper
- Pediatric Exercise and Genomics Research Center (PERC), Departments of Pediatrics, University of California, Irvine, California, USA
| | - Gregory R Adams
- Department of Physiology & Biophysics, University of California, Irvine, California, USA
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35
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Piltti J, Bygdell J, Qu C, Lammi MJ. Effects of long-term low oxygen tension in human chondrosarcoma cells. J Cell Biochem 2017; 119:2320-2332. [PMID: 28865129 DOI: 10.1002/jcb.26394] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022]
Abstract
The cell-based therapies could be potential methods to treat damaged cartilage tissues. Instead of native hyaline cartilage, the current therapies generate mainly weaker fibrocartilage-type of repair tissue. A correct microenvironment influences the cellular phenotype, and together with external factors it can be used, for example, to aid the differentiation of mesenchymal stem cells to defined types of differentiated adult cells. In this study, we investigated the effect of long-term exposure to 5% low oxygen atmosphere on human chondrosarcoma HCS-2/8 cells. This atmosphere is close to normal oxygen tension of cartilage tissue. The proteome was analyzed with label-free mass spectrometric method and further bioinformatic analysis. The qRT-PCR method was used to gene expression analysis, and ELISA and dimethylmethylene blue assays for type II collagen and sulfated glycosaminoglycan measurements. The 5% oxygen atmosphere did not influence cell proliferation, but enhanced slightly ACAN and COL2A1 gene expression. Proteomic screening revealed a number of low oxygen-induced protein level responses. Increased ones included NDUFA4L2, P4HA1, NDRG1, MIF, LDHA, PYGL, while TXNRD1, BAG2, TXN2, AQSTM1, TNFRSF1B, and EPHX1 decreased during the long-term low oxygen atmosphere. Also a number of proteins previously not related to low oxygen tension changed during the treatment. Of those S100P, RPSS26, NDUFB11, CDV3, and TUBB8 had elevated levels, while ALCAM, HLA-B, EIF1, and ACOT9 were lower in the samples cultured at low oxygen tension. In conclusion, low oxygen condition causes changes in the cellular amounts of several proteins.
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Affiliation(s)
- Juha Piltti
- Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | | | - Chengjuan Qu
- Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | - Mikko J Lammi
- Department of Integrative Medical Biology, Umeå University, Umeå, Sweden.,School of Public Health, Health Science Center, Xi'an Jiaotong University, Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, Xi'an, Shaanxi, P.R. China
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36
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Stemness and differentiation potential-recovery effects of sinapic acid against ultraviolet-A-induced damage through the regulation of p38 MAPK and NF-κB. Sci Rep 2017; 7:909. [PMID: 28424532 PMCID: PMC5430417 DOI: 10.1038/s41598-017-01089-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 03/23/2017] [Indexed: 12/11/2022] Open
Abstract
Ultraviolet A (UVA) irradiation exerts negative effects on stemness and differentiation potential of stem cells. This study aimed to explore the effect of sinapic acid on UVA-irradiation-induced damages to stemness and differentiation potential of human-adipose-tissue-derived mesenchymal stem cells (hAMSCs) and its UVA-antagonist mechanisms. Sinapic acid attenuated UVA-induced reduction in the proliferative potential and stemness by upregulating OCT4, SOX2, and NANOG. In addition, sinapic acid significantly recovered UVA-induced reduction in expression level of hypoxia-inducible factor (HIF)-1α. The antagonist effect of sinapic acid against stemness damage was mediated by reduceing PGE2 production through inhibition of p38 MAPK and NF-κB. Moreover, sinapic acid attenuated UVA-induced reduction in differentiation potential by downregulating the expression of macrophage migration inhibitory factor (MIF) and Kruppel-like factor (KLF) 2 gene while activating AMP-activated protein kinase (AMPK). UVA-induced inhibition of adipogenic differentiation was mediated by reducing MIF production through suppression of NF-κB. Taken together, these findings suggest that sinapic acid may ameliorate UVA-irradiation-induced reduced stemness and differentiation potential of hAMSCs. Therefore, sinapic acid might have potential as an antagonist agent to attenuate damages caused by UVA.
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