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Lin H, Chung M, Sun J, Yang Y, Zhang L, Pan X, Wei M, Cai S, Pan Y. Ganoderma spore lipid ameliorates docetaxel, cisplatin, and 5-fluorouracil chemotherapy-induced damage to bone marrow mesenchymal stem cells and hematopoiesis. BMC Complement Med Ther 2024; 24:158. [PMID: 38610025 PMCID: PMC11010295 DOI: 10.1186/s12906-024-04445-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND A triplet chemotherapy regimen of docetaxel, cisplatin, and 5-fluorouracil (TPF) is used to treat head and neck squamous cell carcinoma; however, it is toxic to bone marrow mesenchymal stem cells (BMSCs). We previously demonstrated that Ganoderma spore lipid (GSL) protect BMSCs against cyclophosphamide toxicity. In this study, we investigated the protective effects of GSL against TPF-induced BMSCs and hematopoietic damage. METHODS BMSCs and C57BL/6 mice were divided into control, TPF, co-treatment (simultaneously treated with GSL and TPF for 2 days), and pre-treatment (treated with GSL for 7 days before 2 days of TPF treatment) groups. In vitro, morphology, phenotype, proliferation, senescence, apoptosis, reactive oxygen species (ROS), and differentiation of BMSCs were evaluated. In vivo, peripheral platelets (PLTs) and white blood cells (WBCs) from mouse venous blood were quantified. Bone marrow cells were isolated for hematopoietic colony-forming examination. RESULTS In vitro, GSL significantly alleviated TPF-induced damage to BMSCs compared with the TPF group, recovering their morphology, phenotype, proliferation, and differentiation capacity (p < 0.05). Annexin V/PI and senescence-associated β-galactosidase staining showed that GSL inhibited apoptosis and delayed senescence in TPF-treated BMSCs (p < 0.05). GSL downregulated the expression of caspase-3 and reduced ROS formation (p < 0.05). In vivo, GSL restored the number of peripheral PLTs and WBCs and protected the colony-forming capacity of bone marrow cells (p < 0.05). CONCLUSIONS GSL efficiently protected BMSCs from damage caused by TPF and recovered hematopoiesis.
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Affiliation(s)
- Haohui Lin
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Manhon Chung
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jingchun Sun
- Department of Head and Neck Surgical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Yi Yang
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Li Zhang
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Xiaohua Pan
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China
| | - Minghui Wei
- Department of Head and Neck Surgical Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China.
| | - Sa Cai
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China.
| | - Yu Pan
- Health Science Center, The 2nd Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen, China.
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Wu J, Li X, Nie H, Shen Y, Guo Z, Huihan Chu C, Cai K, Tang C. Phytic acid promotes high glucose-mediated bone marrow mesenchymal stem cells osteogenesis via modulating circEIF4B that sponges miR-186-5p and complexes with IGF2BP3. Biochem Pharmacol 2024; 222:116118. [PMID: 38467376 DOI: 10.1016/j.bcp.2024.116118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/26/2023] [Accepted: 03/07/2024] [Indexed: 03/13/2024]
Abstract
Diabetes-related hyperglycemia inhibits bone marrow mesenchymal stem cell (BMSC) function, thereby disrupting osteoblast capacity and bone regeneration. Dietary supplementation with phytic acid (PA), a natural inositol phosphate, has shown promise in preventing osteoporosis and diabetes-related complications. Emerging evidence has suggested that circular (circ)RNAs implicate in the regulation of bone diseases, but their specific regulatory roles in BMSC osteogenesis in hyperglycemic environments remain elucidated. In this study, in virto experiments demonstrated that PA treatment effectively improved the osteogenic capability of high glucose-mediated BMSCs. Differentially expressed circRNAs in PA-induced BMSCs were identified using circRNA microarray analysis. Here, our findings highlight an upregulation of circEIF4B expression in BMSCs stimulated with PA under a high-glucose microenvironment. Further investigations demonstrated that circEIF4B overexpression promoted high glucose-mediated BMSC osteogenesis. In contrast, circEIF4B knockdown exerted the opposite effect. Mechanistically, circEIF4B sequestered microRNA miR-186-5p and triggered osteogenesis enhancement in BMSCs by targeting FOXO1 directly. Furthermore, circEIF4B inhibited the ubiquitin-mediated degradation of IGF2BP3, thereby stabilizing ITGA5 mRNA and promoting BMSC osteogenic differentiation. In vivo experiments, circEIF4B inhibition attenuated the effectiveness of PA treatment in diabetic rats with cranial defects. Collectively, our study identifies PA as a novel positive regulator of BMSC osteogenic differentiation through the circEIF4B/miR-186-5p/FOXO1 and circEIF4B/IGF2BP3/ITGA5 axes, which offers a new strategy for treating high glucose-mediatedBMSCosteogenic dysfunction and delayed bone regeneration in diabetes.
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Affiliation(s)
- Jin Wu
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Xiang Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of Oral and Maxillofacial Surgery Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Hepeng Nie
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of General Dentistry Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Yue Shen
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Zixiang Guo
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Catherine Huihan Chu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of Orthodontics Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Kunzhan Cai
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Chunbo Tang
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China.
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Li G, Wang Q, Liu H, Yang Z, Wu Y, He L, Deng X. Fabricating Composite Cell Sheets for Wound Healing: Cell Sheets Based on the Communication Between BMSCs and HFSCs Facilitate Full-Thickness Cutaneous Wound Healing. Tissue Eng Regen Med 2024; 21:421-435. [PMID: 37995084 PMCID: PMC10987453 DOI: 10.1007/s13770-023-00614-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND Insufficient angiogenesis and the lack of skin appendages are critical challenges in cutaneous wound healing. Stem cell-fabricated cell sheets have become a promising strategy, but cell sheets constructed by a single cell type are inadequate to provide a comprehensive proregenerative microenvironment for wound tissue. METHODS Based on the communication between cells, in this study, bone marrow mesenchymal stem cells (BMSCs) and hair follicle stem cells (HFSCs) were cocultured to fabricate a composite cell sheet (H/M-CS) for the treatment of full-thickness skin wounds in mice. RESULTS Experiments confirmed that there is cell-cell communication between BMSCs and HFSCs, which enhances the cell proliferation and migration abilities of both cell types. Cell-cell talk also upregulates the gene expression of pro-angiogenic-related cytokines in BMSCs and pro-hair follicle-related cytokines in HFSCs, as well as causing changes in the properties of secreted extracellular matrix components. CONCLUSIONS Therefore, the composite cell sheet is more conducive for cutaneous wound healing and promoting the regeneration of blood vessels and hair follicles.
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Affiliation(s)
- Gongjian Li
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Qin Wang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Hao Liu
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Zuojun Yang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Yuhan Wu
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Li He
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China
| | - Xiaoyuan Deng
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, 510631, China.
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics and Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou, 510631, China.
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Tang W, Zhao K, Li X, Zhou X, Liao P. Bone Marrow Mesenchymal Stem Cell-Derived Exosomes Promote the Recovery of Spinal Cord Injury and Inhibit Ferroptosis by Inactivating IL-17 Pathway. J Mol Neurosci 2024; 74:33. [PMID: 38536541 DOI: 10.1007/s12031-024-02209-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/16/2024] [Indexed: 04/11/2024]
Abstract
Mesenchymal stem cell (MSC)-derived exosomes are considered as alternative to cell therapy in various diseases. This study aimed to understand the effect of bone marrow MSC-derived exosomes (BMMSC-exos) on spinal cord injury (SCI) and to unveil its regulatory mechanism on ferroptosis. Exosomes were isolated from BMMSCs and the uptake of BMMSCs-exos by PC12 cells was determined using PKH67 staining. The effect of BMMSC-exos on SCI in rats was studied by evaluating pathological changes of spinal cord tissues, inflammatory cytokines, and ferroptosis-related proteins. Transcriptome sequencing was used to discover the differential expressed genes (DEGs) between SCI rats and BMMSC-exos-treated rats followed by functional enrichment analyses. The effect of BMMSC-exos on ferroptosis and interleukin 17 (IL-17) pathway was evaluated in SCI rats and oxygen-glucose deprivation (OGD)-treated PC12 cells. The results showed that particles extracted from BMMSCs were exosomes that could be taken up by PC12 cells. BMMSC-exos treatment ameliorated injuries of spinal cord, suppressed the accumulation of Fe2+, malondialdehyde (MDA), and reactive oxygen species (ROS), with the elevated glutathione (GSH). Also, BMMSC-exos downregulated the expression of acyl-CoA synthetase long chain family member 4 (ACSL4) and upregulated glutathione peroxidase 4 (GPX4) and cysteine/glutamate antiporter xCT. A total of 110 DEGs were discovered and they were mainly enriched in IL-17 signaling pathway. Further in vitro and in vivo experiments showed that BMMSC-exos inactivated IL-17 pathway. BMMSC-exos promote the recovery of SCI and inhibit ferroptosis by inhibiting the IL-17 pathway, which provides BMMSC-exos as an alternative to the management of SCI.
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Affiliation(s)
- Wen Tang
- Department of Trauma Center, The First Affiliated Hospital of Gannan Medical University, No. 128, West Jinling Road, Ganzhou, 341000, China.
| | - Kai Zhao
- Department of Spine Surgery, The First Affiliated Hospital of Gannan Medical University, No. 128, West Jinling Road, Ganzhou, 341000, China
| | - Xiaobo Li
- Center for Technology of Information and Network Management, Gannan Medical University, Ganzhou, 341000, China
| | - Xiaozhong Zhou
- Department of Trauma Center, The First Affiliated Hospital of Gannan Medical University, No. 128, West Jinling Road, Ganzhou, 341000, China
| | - Peigen Liao
- The First Clinical Medical College, Gannan Medical University, No. 128, West Jinling Road, Ganzhou, 341000, China
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Tan B, Jiang X, Chen L, Wang R, Wei H. Plasma exosomal miR-30a-5p inhibits osteogenic differentiation of bone marrow mesenchymal stem cells from a chronic unpredictable mild stress-induced depression rat model. Mol Cell Probes 2024; 75:101957. [PMID: 38513992 DOI: 10.1016/j.mcp.2024.101957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/23/2024]
Abstract
With rising society stress, depression-induced osteoporosis is increasing. However, the mechanism involved is unclear. In this study, we explored the effect of plasma exosomal miRNAs on bone marrow mesenchymal stem cell (BMSC) osteogenic differentiation in a chronic unpredictable mild stress (CUMS)-induced depression rat model. After 12 weeks of CUMS-induced depression, the pathological changes in the bone tissue and markers of osteogenic differentiation were tested by micro-computed tomography, hematoxylin-eosin staining, and quantitative real-time reverse transcription PCR (qRT-PCR). Plasma exosomes from rats were isolated and co-incubated with BMSCs for 14 d to detect the effect on osteogenic markers. Next-generation sequencing identified the miRNAs in the plasma exosomes, and the differential miRNAs were analyzed and verified by qRT-PCR. BMSCs were infected with lentivirus to upregulate miRNA-30a-5p and incubated in a medium that induced osteogenic differentiation for 14 d. The effect of miR-30a-5p on osteogenic differentiation was determined by qPCR and alizarin red staining. CUMS-induced depression rat model was established successfully, and exhibited reduced bone mass and damaged bone microstructure compared to that of the controls. The observed pathological changes suggested the occurrence of osteoporosis in the CUMS group, and the mRNA expression of osteogenic markers was also significantly reduced. Incubation of BMSCs with plasma exosomes from the CUMS group for 14 d resulted in a significant decrease in the expression of osteogenic markers. Twenty-five differentially expressed miRNAs in plasma exosomes were identified and upregulation of miR-30a-5p was observed to significantly inhibit the expression of osteogenic markers in BMSCs. Our findings contributed to a comprehensive understanding of the mechanism of osteoporosis caused by depression, and demonstrated the potential of miR-30a-5p as a novel biomarker or therapeutic target for the treatment of osteoporosis.
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Affiliation(s)
- Boyu Tan
- Department of Pharmacy, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Department of Pharmacy, The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Xueyao Jiang
- Department of Pharmacy, The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Li Chen
- Department of Pharmacy, The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Rongsheng Wang
- Institute of Arthritis Research, Shanghai Academy of Chinese Medical Sciences, Shanghai, China
| | - Hongyan Wei
- Department of Pharmacy, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Department of Pharmacy, The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, Hunan, China; Institute of Arthritis Research, Shanghai Academy of Chinese Medical Sciences, Shanghai, China.
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Yi F, Xiao H, Song M, Huang L, Huang Q, Deng J, Yang H, Zheng L, Wang H, Gu W. BMSC-derived exosomal miR-148b-3p attenuates OGD/R-induced HMC3 cell activation by targeting DLL4 and Notch1. Neurosci Res 2024; 199:36-47. [PMID: 37741572 DOI: 10.1016/j.neures.2023.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/04/2023] [Accepted: 09/19/2023] [Indexed: 09/25/2023]
Abstract
Bone mesenchymal stem cell (BMSC)-derived exosome (BMSC-Exo) could be a treatment method for ischemic injury. In ischemic cerebrovascular disease (IC), microglia is pivotal in neuronal damage and remodeling. This study explores the mechanisms of BMSC-Exo miR-148b-3p in regulating oxygen-glucose deprivation/reoxygenation (OGD/R)-induced human microglial clone 3 (HMC3) cell activation. Transmission electron microscopy (TEM) and qNano were used to assess BMSC-Exo features. The functions of BMSC-Exo miR-148 b-3p in OGD/R-induced HMC3 cell activation were explored via MTT assay, flow cytometry, scratch, transwell, and enzyme-linked immunosorbent assay (ELISA) assays. A dual-luciferase reporter assay was performed to determine the relationship between miR-148b-3p and Delta-like ligand 4(DDL4) or neurogenic locus notch homolog protein 1 (Notch1). OGD/R decreased miR-148b-3p expression in HMC3 cells. After BMSC-Exo treatment, miR-148b-3p expression was upregulated, cell viability and migration were inhibited, cell cycles remained in the G0/G1 phase, and proinflammatory cytokines were decreased in OGD/R-induced HMC3 cells. More importantly, BMSC-Exo miR-148b-3p could further strengthen BMSC-Exo effects. DDL4 and Notch1 are direct targets of miR-148b-3p, respectively. Moreover, the knockdown of DLL4 or Notch1 could inhibit OGD/R-induced HMC3 cell activation. BMSC-Exo miR-148b-3p inhibited OGD/R-induced HMC3 cell activation via inhibiting DLL4 and Notch1 expression, which provided a new strategy for treating cerebral ischemia.
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Affiliation(s)
- Fang Yi
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Hui Xiao
- Department of Neurology, Changsha Central Hospital, Changsha 410004, Hunan, PR China
| | - Mingyu Song
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Clinical Research Center for Cerebrovascular Disease of Hunan Province, Central South University, Changsha, Hunan 410008, PR China
| | - Lei Huang
- Department of Neurological Rehabilitation, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, Hunan, PR China
| | - Qianyi Huang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Jun Deng
- Department of Neurology, Affiliated Hospital of Hunan Academy of Traditional Chinese Medicine, Changsha 410000, Hunan, PR China
| | - Han Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Lan Zheng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Hong Wang
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Wenping Gu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Clinical Research Center for Cerebrovascular Disease of Hunan Province, Central South University, Changsha, Hunan 410008, PR China.
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Shi Y, Wang S, Liu D, Wang Z, Zhu Y, Li J, Xu K, Li F, Wen H, Yang R. Exosomal miR-4645-5p from hypoxic bone marrow mesenchymal stem cells facilitates diabetic wound healing by restoring keratinocyte autophagy. Burns Trauma 2024; 12:tkad058. [PMID: 38250706 PMCID: PMC10796268 DOI: 10.1093/burnst/tkad058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 01/23/2024]
Abstract
Background Refractory diabetic wounds are a common occurrence in patients with diabetes and epidermis-specific macroautophagy/autophagy impairment has been implicated in their pathogenesis. Therefore, identifying and developing treatment strategies capable of normalizing epidermis-specific macroautophagy/autophagy could facilitate diabetic wound healing. The study aims to investigate the potential of bone marrow mesenchymal stem cell-derived exosomes (BMSC-exos) from hypoxic conditions as a treatment to normalize epidermis-specific autophagy for diabetic wound healing. Methods We compared the effects of bone marrow mesenchymal stem cell (BMSC)-sourced exosomes (BMSC-Exos) from hypoxic conditions to those of BMSC in normoxic conditions (noBMSC-Exos). Our studies involved morphometric assessment of the exosomes, identification of the microRNA (miRNA) responsible for the effects, evaluation of keratinocyte functions and examination of effects of the exosomes on several molecules involved in the autophagy pathway such as microtubule-associated protein 1 light chain 3 beta, beclin 1, sequestosome 1, autophagy-related 5 and autophagy-related 5. The experiments used human BMSCs from the American Type Culture Collection, an in vivo mouse model of diabetes (db/db) to assess wound healing, as well as the human keratinocyte HaCaT cell line. In the methodology, the authors utilized an array of approaches that included electron microscopy, small interfering RNA (siRNA) studies, RNA in situ hybridization, quantitative real-time reverse transcription PCR (qRT-PCR), the isolation, sequencing and differential expression of miRNAs, as well as the use of miR-4645-5p-specific knockdown with an inhibitor. Results Hypoxia affected the release of exosomes from hypoxic BMSCs (hy-BMSCs) and influenced the size and morphology of the exosomes. Moreover, hyBMSC-Exo treatment markedly improved keratinocyte function, including keratinocyte autophagy, proliferation and migration. miRNA microarray and bioinformatics analysis showed that the target genes of the differentially expressed miRNAs were mainly enriched in 'autophagy' and 'process utilizing autophagic mechanism' in the 'biological process' category and miR-4645-5p as a major contributor to the pro-autophagy effect of hyBMSC-Exos. Moreover, mitogen-activated protein kinase-activated protein kinase 2 (MAPKAPK2) was identified as a potential target of exosomal miR-4645-5p; this was confirmed using a dual luciferase assay. Exosomal miR-4645-5p mediates the inactivation of the MAPKAPK2-induced AKT kinase group (comprising AKT1, AKT2, and AKT3), which in turn suppresses AKT-mTORC1 signaling, thereby facilitating miR-4645-5p-mediated autophagy. Conclusions Overall, the results of this study showed that hyBMSC-Exo-mediated transfer of miR-4645-5p inactivated MAPKAPK2-induced AKT-mTORC1 signaling in keratinocytes, which activated keratinocyte autophagy, proliferation and migration, resulting in diabetic wound healing in mice. Collectively, the findings could aid in the development of a novel therapeutic strategy for diabetic wounds.
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Affiliation(s)
- Yan Shi
- Department of Plastic, Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Yongwaizheng Road, Donghu District, Nanchang, Jiangxi, 330006, China
| | - Shang Wang
- Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, College of Traditional Chinese Medicine, Chongqing Medical University, Medical College Road, Yuzhong District, Chongqing, 400016, China
| | - Dewu Liu
- Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Yongwaizheng Road, Donghu District, Nanchang, Jiangxi, 330006, China
| | - Zhengguang Wang
- Department of Orthopaedics, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191 China
| | - Yihan Zhu
- Department of Plastic and Aesthetic Surgery, Jiangxi Maternal and Child Health Hospital, Bayidadao Road, Donghu District, Nanchang 330006, China
| | - Jun Li
- HaploX Biotechnology Co., Ltd., Songpingshan Road, Nanshan District, Shenzhen 518057, Guangdong China
| | - Kui Xu
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine,Qianjiang Road, Yaohai District, Hefei 230038, Anhui, P. R. China
| | - Furong Li
- Translational Medicine Collaborative Innovation Center, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affifiliated Hospital, Southern University of Science and Technology), Dongmenbei Road, Luohu District, Shenzhen 518020, Guangdong, China
| | - Huicai Wen
- Department of Plastic, Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Yongwaizheng Road, Donghu District, Nanchang, Jiangxi, 330006, China
| | - Ronghua Yang
- Department of Burn and Plastic Surgery, Guangzhou First People's Hospital, South China University of Technology, Panfu Road, Yuexiu District, Guangzhou, Guangdong, 510180, China
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Ruan H, Shi H, Luan W, Pan S. Bone Marrow Mesenchymal Stem Cell-derived Exosomal microRNA- 99b-5p Promotes Cell Growth of High Glucose-treated Human Umbilical Vein Endothelial Cells by Modulating THAP Domain Containing 2 Expression. Curr Stem Cell Res Ther 2024; 19:CSCR-EPUB-137032. [PMID: 38357906 DOI: 10.2174/011574888x272011231128073104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/07/2023] [Accepted: 10/20/2023] [Indexed: 02/16/2024]
Abstract
INTRODUCTION Bone marrow mesenchymal stem cell-derived exosomes (BMSC-exos) may function as novel candidates for treating diabetic wounds due to their ability to promote angiogenesis. MATERIALS AND METHODS This study investigated the effects of BMSC-exos on the growth and metastasis of human umbilical vein endothelial cells (HUVECs) treated with high glucose (HG). The exosomes were separated from BMSCs and identified. The cell phenotype was detected by 3-(4,5- dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide and 5-ethynyl-2'-deoxyuridine, wound healing, and transwell assays, while the number of tubes was measured via tube formation assay. RESULT The RNA and protein expression levels were studied using reverse transcription-quantitative polymerase chain reaction and western blotting, whereas integration of microRNA-99b-5p (miR-99b-5p) with THAP domain containing 2 (THAP2) was confirmed via dual-luciferase reporter and RNA pull-down assays. Results of transmission electron microscopy, nanoparticle tracking analysis, and laser scanning confocal microscopy revealed that exosomes were successfully separated from BMSCs and endocytosed into the cytoplasm by HUVECs. Similarly, BMSC-exos were found to promote the growth of HG-treated HUVECs, while their growth was inhibited by suppressing miR-99b-5p. THAP2 was found to bind to miR-99b-5p, where THAP2 inhibition reversed the miR-99b-5p-induced effects on cell growth, migration, and tube numbers. CONCLUSION In conclusion, miR-99b-5p in BMSC-exo protects HUVECs by negatively regulating THAP2 expression.
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Affiliation(s)
- Hongru Ruan
- Department of Burn and Plastic Surgery, Zhenjiang First People's Hospital, Dianli Road 7, Zhenjiang, Jiangsu, 212001, China
| | - Hui Shi
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Institute of Stem Cell, School of Medicine, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu, 212013, China
| | - Wenkang Luan
- Department of Burn and Plastic Surgery, Zhenjiang First People's Hospital, Dianli Road 7, Zhenjiang, Jiangsu, 212001, China
| | - Sida Pan
- Department of Plastic Surgery, Fudan University, Affiliated Huashan Hospital, Wulumuqi Street 12, Jingan District, Shanghai, 200000, China
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Chen S, Liu H, Wang Y, Wang S, Yang B, Sun D, Sun P. Overexpression of lncRNA LINC00665 inhibits the proliferation and chondroblast differentiation of bone marrow mesenchymal stem cells by targeting miR-214-3p. J Orthop Surg Res 2024; 19:2. [PMID: 38167456 PMCID: PMC10762961 DOI: 10.1186/s13018-023-04475-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Osteoarthritis is a chronic disease mainly involving the damage of articular cartilage and the whole articular tissue, which is the main cause of disability in the elderly. To explore more effective treatment measures, this study analyzed the regulatory role and molecular mechanism of lncRNA LINC00665 (LINC00665) in the chondrogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), providing a valuable theoretical basis for the pathogenesis and patient treatment of osteoarthritis. METHODS Osteoarthritis tissues and healthy tissues were obtained from 52 patients with osteoarthritis and 34 amputated patients without osteoarthritis, and the levels of LINC00665 and miR-214-3p were assessed by RT-qPCR. BMSCs were cultured and induced chondrogenic differentiation. The proliferation ability of BMSCs was detected by CCK-8 method, and the apoptosis level of BMSCs was evaluated by flow cytometry. The content of proteoglycan-glycosaminoglycan (GAG) in cartilage matrix was determined by Alcian blue staining. In addition, the binding relationship between LINC00665 and miR-214-3p was verified by luciferase reporter assay, and the molecular mechanism was further analyzed. RESULTS In osteoarthritis tissues, LINC00665 was elevated and miR-214-3p was down-regulated. With the chondrogenic differentiation of BMSCs, the level of GAG increased, and LINC00665 expression gradually decreased, while miR-214-3p level was on the contrary. After transfection of pcDNA3.1-LINC00665 in BMSCs, cell proliferation capacity was decreased, apoptosis rate was increased, and GAG content was reduced. Moreover, LINC00665 sponged miR-214-3p and negatively regulate its expression. Transfection of pcDNA3.1-LINC00665-miR-214-3p mimic changed the regulation of pcDNA3.1-LINC00665 on the viability and chondrogenic differentiation of BMSCs. CONCLUSIONS Overexpression of lncRNA LINC00665 inhibited the proliferation and chondrogenic differentiation of BMSCs by targeting miR-214-3p. The LINC00665/miR-214-3p axis may improve joint damage and alleviate the progression of osteoarthritis.
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Affiliation(s)
- Siyuan Chen
- Surgery of Spinal Degeneration and Deformity, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524000, China
| | - Hui Liu
- Department of Nursing, Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, 066000, China
| | - Yue Wang
- Department of Nursing, Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, 066000, China
| | - Shuyuan Wang
- Department of Nursing, Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, 066000, China
| | - Bo Yang
- Department of Nursing, Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, 066000, China
| | - Di Sun
- Department of Orthopedics, Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, 066000, China
| | - Pengxiao Sun
- First Department of Joint, Xi'an International Medical Center Hospital, No.777, Xitai Road, Gaoxin District, Xi'an, 710000, China.
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Tan L, Ye Z, Zhuang W, Mao B, Li H, Li X, Wu J, Sang H. 3D printed PLGA/MgO/PDA composite scaffold by low-temperature deposition manufacturing for bone tissue engineering applications. Regen Ther 2023; 24:617-629. [PMID: 38034857 PMCID: PMC10681881 DOI: 10.1016/j.reth.2023.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/06/2023] [Accepted: 09/28/2023] [Indexed: 12/02/2023] Open
Abstract
Introduction Bones are easily damaged. Biomimetic scaffolds are involved in tissue engineering. This study explored polydopamine (PDA)-coated poly lactic-co-glycolic acid (PLGA)-magnesium oxide (MgO) scaffold properties and its effects on bone marrow mesenchymal stem cells (BMSCs) osteogenic differentiation. Methods PLGA/MgO scaffolds were prepared by low-temperature 3D printing technology and PDA coatings were prepared by immersion method. Scaffold structure was observed by scanning electron microscopy with an energy dispersive spectrometer (SEM-EDS), fourier transform infrared spectrometer (FTIR). Scaffold hydrophilicity, compressive/elastic modulus, and degradation rates were analyzed by water contact angle measurement, mechanical tests, and simulated-body fluid immersion. Rat BMSCs were cultured in scaffold extract. Cell activity on days 1, 3, and 7 was detected by MTT. Cells were induced by osteogenic differentiation, followed by evaluation of alkaline phosphatase (ALP) activity on days 3, 7, and 14 of induction and Osteocalcin, Osteocalcin, and Collagen I expressions. Results The prepared PLGA/MgO scaffolds had dense microparticles. With the increase of MgO contents, the hydrophilicity was enhanced, scaffold degradation rate was accelerated, magnesium ion release rate and scaffold extract pH value were increased, and cytotoxicity was less when magnesium mass ratio was less than 10%. Compared with other scaffolds, compressive and elastic modulus of PLGA/MgO (10%) scaffolds were increased; BMSCs incubated with PLGA/MgO (10%) scaffold extract had higher ALP activity and Osteocalcin, Osteopontin, and Collagen I expressions. PDA coating was prepared in PLGA/MgO (10%) scaffolds and the mechanical properties were not affected. PLGA/MgO (10%)/PDA scaffolds had better hydrophilicity and biocompatibility and promoted BMSC osteogenic differentiation. Conclusion Low-temperature 3D printing PLGA/MgO (10%)/PDA scaffolds had good hydrophilicity and biocompatibility, and were conducive to BMSC osteogenic differentiation.
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Affiliation(s)
- Liang Tan
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
- The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zhuofeng Ye
- Department of Orthopedics, Jiangmen Central Hospital, Jiangmen, China
| | - Weida Zhuang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
- The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Beini Mao
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
| | - Hetong Li
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
| | - Xiuwang Li
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
- The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jiachang Wu
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
- The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Hongxun Sang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, Guangdong, 518000, PR China
- The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
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Wan Z, zhang Y, Lv J, Yuan Y, Guo W, Leng Y. Exosomes derived from bone marrow mesenchymal stem cells regulate pyroptosis via the miR-143-3p/myeloid differentiation factor 88 axis to ameliorate intestinal ischemia-reperfusion injury. Bioengineered 2023; 14:2253414. [PMID: 37674357 PMCID: PMC10486297 DOI: 10.1080/21655979.2023.2253414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/02/2022] [Accepted: 08/20/2022] [Indexed: 09/08/2023] Open
Abstract
Intestinal ischemia-reperfusion (I/R) injury is a condition in which tissue injury is aggravated after ischemia due to recovery of blood supply. Bone marrow mesenchymal stem cell-derived exosome (BMSC-exo) showed a protective effect on I/R injury. This study aimed to investigate the possible mechanisms by which BMSC-exos ameliorate intestinal I/R injury. We isolated mouse BMSC-exos by super-centrifugation and found that they effectively increased cell viability in a cell model, alleviated intestinal barrier injury in a mouse model, and downregulated the expression of inflammatory cytokines and pyroptosis-related proteins, suggesting that BMSC-exos may alleviate intestinal I/R injury in vitro and in vivo by regulating pyroptosis. We identified miR-143-3p as a differentially expressed miRNA by microarray sequencing. Bioinformatic analysis predicted a binding site between miR-143-3p and myeloid differentiation factor 88 (MyD88); a dual-luciferase reporter assay confirmed that miR-143-3p could directly regulate the expression of MyD88. Our findings suggest that miR-143-3p regulates pyroptosis by regulating NOD-like receptor thermal protein domain associated protein 3 (NLRP3) through the toll-like receptor (TLR)-4/MyD88/nuclear factor kappa-B (NF-кB) pathway. This study describes a potential strategy for the treatment of intestinal I/R injury using BMSC-exos that act by regulating pyroptosis through the miR-143-3p mediated TLR4/MyD88/NF-кB pathway.
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Affiliation(s)
- Zhanhai Wan
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Yan zhang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Jipeng Lv
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Yuan Yuan
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Wenwen Guo
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Yufang Leng
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, China
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Wang L, Pan Y, Liu M, Sun J, Yun L, Tu P, Wu C, Yu Z, Han Z, Li M, Guo Y, Ma Y. Wen-Shen-Tong-Luo-Zhi-Tong Decoction regulates bone-fat balance in osteoporosis by adipocyte-derived exosomes. Pharm Biol 2023; 61:568-580. [PMID: 36999351 PMCID: PMC10071966 DOI: 10.1080/13880209.2023.2190773] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/19/2023] [Accepted: 03/09/2023] [Indexed: 06/19/2023]
Abstract
CONTEXT Wen-Shen-Tong-Luo-Zhi-Tong (WSTLZT) Decoction is a Chinese prescription with antiosteoporosis effects, especially in patients with abnormal lipid metabolism. OBJECTIVE To explore the effect and mechanism of WSTLZT on osteoporosis (OP) through adipocyte-derived exosomes. MATERIALS AND METHODS Adipocyte-derived exosomes with or without WSTLZT treated were identified by transmission electron microscopy, nanoparticle tracking analysis (NTA) and western blotting (WB). Co-culture experiments for bone marrow mesenchymal stem cells (BMSCs) and exosomes were performed to examine the uptake and effect of exosome in osteogenesis and adipogenic differentiation of BMSC. MicroRNA profiles, luciferase and IP were used for exploring specific mechanisms of exosome on BMSC. In vivo, 80 Balb/c mice were randomly divided into four groups: Sham, Ovx, Exo (30 μg exosomes), Exo-WSTLZT (30 μg WSTLZT-exosomes), tail vein injection every week. After 12 weeks, the bone microstructure and marrow fat distribution were analysed by micro-CT. RESULTS ALP, Alizarin red and Oil red staining showed that WSTLZT-induced exosomes from adipocyte can regulate osteoblastic and adipogenic differentiation of BMSC. MicroRNA profiles observed that WSTLZT treatment resulted in 87 differentially expressed miRNAs (p < 0.05). MiR-122-5p with the greatest difference was screened by q-PCR (p < 0.01). The target relationship between miR-122-5p and SPRY2 was tested by luciferase and IP. MiR-122-5p negatively regulated SPRY2 and elevated the activity of MAPK signalling pathway, thereby regulating the osteoblastic and adipogenic differentiation of BMSC. In vivo, exosomes can not only improve bone microarchitecture but also significantly reduce accumulation of bone marrow adipose. CONCLUSIONS WSTLZT can exert anti-OP effect through SPRY2 via the MAKP signalling by miR-122-5p carried by adipocyte-derived exosomes.
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Affiliation(s)
- Lining Wang
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- Chinese Medicine Centre (International Collaboration between Western Sydney University and Beijing University of Chinese Medicine), Western Sydney University, Sydney, Australia
| | - Yalan Pan
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- TCM Nursing Intervention Laboratory of Chronic Disease Key Laboratory, Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengmig Liu
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Sun
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
| | - Li Yun
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Pengcheng Tu
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chengjie Wu
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ziceng Yu
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhitao Han
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Muzhe Li
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yang Guo
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Traumatology and Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yong Ma
- Laboratory of New Techniques of Restoration & Reconstruction, Institute of Traumatology & Orthopedics, Nanjing University of Chinese Medicine, Nanjing, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Traumatology and Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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Huang X, Liu X, Zeng J, Du P, Huang X, Lin J. Bone marrow mesenchymal stem cell-derived exosomal microRNA regulates microglial polarization. PeerJ 2023; 11:e16359. [PMID: 38025715 PMCID: PMC10640847 DOI: 10.7717/peerj.16359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/05/2023] [Indexed: 12/01/2023] Open
Abstract
Objective This study aimed to explore the effects of bone marrow mesenchymal stem cell (BMSC)-derived exosomal miR-146a-5p on microglial polarization and the potential underlying mechanisms in oxygen-glucose deprivation (OGD)-exposed microglial cells. Methods Exosomes were isolated from BMSCs, and their characteristics were examined. The effects of BMSC-derived exosomes on microglial polarization were investigated in OGD-exposed BV-2 cells. Differentially expressed miRNAs were identified and their biological function was explored using enrichment analyses. The regulatory role of miR-146a-5p in microglial polarization was studied via flow cytometry. Finally, the downstream target gene Traf6 was validated, and the role of the miR-146a-5p/Traf6 axis in modulating microglial polarization was investigated in OGD-exposed BV-2 cells. Results BMSC-derived exosomes were successfully isolated and characterized. A total of 10 upregulated and 33 downregulated miRNAs were identified. Exosomal treatment resulted in significant changes in microglial polarization markers. miR-146a-5p was found to be significantly downregulated in OGD-exposed microglial cells treated with exosomes. Manipulation of miR-146a-5p expression modulated microglial polarization. Moreover, the miR-146a-5p/Traf6 axis regulated microglial polarization. Conclusion Our findings demonstrate that BMSC-derived exosomal via miR-146a-5p modulates microglial polarization by targeting Traf6, providing a potential thermal target for the treatment of neurological diseases involving microglial activation.
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Affiliation(s)
- Xianwei Huang
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Xiong Liu
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jiaqi Zeng
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Penghui Du
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Xiaodong Huang
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jiyan Lin
- Department of Emergency, Xiamen Key Laboratory for Clinical Efficacy and Evidence-Based Research of Traditional Chinese Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
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Shen X, Qin J, Wei Z, Liu F. Bone marrow mesenchymal stem cell exosome-derived lncRNA TUC339 influences the progression of osteoarthritis by regulating synovial macrophage polarization and chondrocyte apoptosis. Biomed Pharmacother 2023; 167:115488. [PMID: 37729727 DOI: 10.1016/j.biopha.2023.115488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/09/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023] Open
Abstract
Osteoarthritis (OA) is an extremely common type of chronic progressive disease in clinical practice. lncRNA TUC339 has a close association with bone marrow mesenchymal stem cell (BMSC) and an important impact on organismal inflammation. However, the mechanism of BMSC-derived lncRNA TUC339 on OA was poorly understood. In this study, we found that TUC339 was lower in the research group than in the control group and it was negatively correlated with IL-6, IL-8 and TNF-α. Prognosis TUC339 was lower in patients with recurrent OA than in those without recurrence, and ROC analysis manifested that TUC339 had a better predictive value for recurrence of OA. Phenotypic identification revealed elevated expression of CD29 and CD44 in BMSCs and TSG101, CD63 and CD81 in BMSCs-exosome (BMSCs-exo), with a stem cell versus exosome phenotype. Finally, animal experiments improved significantly in joint injury in the BMSCs-exo and TUC339-overexpression vector groups compared with control groups. Similarly, the activity of chondrocytes was enhanced, and apoptosis was reduced in the BMSCs-exo group versus the TUC339-overexpression vector group of rats. Study demonstrated that BMSCs-exo improves OA by elevating the expression of TUC339 to promote M1-type mø to M2-type polarization, suppressing inflammation and promoting chondrocyte activity, which provides a reliable basis for future transplantation therapy of MSCs for OA.
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Affiliation(s)
- Xun Shen
- Department of Orthopedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu 211100, China
| | - Jian Qin
- Department of Orthopedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu 211100, China
| | - Zijian Wei
- Department of Orthopedics, Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu 211100, China
| | - Feng Liu
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China.
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Zong HX, Liu YQ, Wang XL, Miao JY, Luo LP, Wang JX, Chu YR, Tong WQ, Zhao X, Xu SQ. RIOK3 potentially regulates osteogenesis-related pathways in ankylosing spondylitis and the differentiation of bone marrow mesenchymal stem cells. Genomics 2023; 115:110730. [PMID: 37866658 DOI: 10.1016/j.ygeno.2023.110730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/27/2023] [Accepted: 10/19/2023] [Indexed: 10/24/2023]
Abstract
RNA-binding proteins (RBPs), which are key effectors of gene expression, play critical roles in inflammation and immune regulation. However, the potential biological function of RBPs in ankylosing spondylitis (AS) remains unclear. We identified differentially expressed genes (DEGs) in peripheral blood mononuclear cells (PBMCs) of five patients with AS and three healthy persons by RNA-seq, obtained differentially expressed RBPs by overlapping DEGs and RBPs summary table. RIOK3 was selected as a target RBP and knocked down in mouse bone marrow mesenchymal stem cells (mBMSCs), and transcriptomic studies of siRIOK3 mBMSCs were performed again using RNA-seq. Results showed that RIOK3 knockdown inhibited the expression of genes related to osteogenic differentiation, ribosome function, and β-interferon pathways in mBMSCs. In vitro experiments have shown that RIOK3 knockdown reduced the osteogenic differentiation ability of mBMSCs. Collectively, RIOK3 may affect the differentiation of mBMSCs and participate in the pathogenesis of AS, especially pathological bone formation.
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Affiliation(s)
- He-Xiang Zong
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ya-Qian Liu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xi-le Wang
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jie-Yu Miao
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Li-Ping Luo
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jian-Xiong Wang
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yi-Ran Chu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Wan-Qiu Tong
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xu Zhao
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sheng-Qian Xu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China.
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Shen Y, Jiang B, Luo B, Jiang X, Zhang Y, Wang Q. Circular RNA-FK501 binding protein 51 boosts bone marrow mesenchymal stem cell proliferation and osteogenic differentiation via modulating microRNA-205-5p/Runt-associated transcription factor 2 axis. J Orthop Surg Res 2023; 18:782. [PMID: 37853466 PMCID: PMC10583363 DOI: 10.1186/s13018-023-04242-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/26/2023] [Indexed: 10/20/2023] Open
Abstract
OBJECTIVE Osteogenesis is the key process of bone homeostasis differentiation. Numerous studies have manifested that circular RNA (circRNA) is a critical regulator of osteogenesis. The research was to explore circRNA-mediated mechanisms in osteogenesis. METHODS Bone marrow mesenchymal stem cells (BMSCs) were cultured and induced to osteogenic differentiation (OD). Then, oe-circ-FKBP5, oe-NC, si-circ-FKBP5, si-NC, miR-205-5p mimic, mimic NC, miR-205-5p inhibitor, inhibitor NC, sh-RUNX2, or sh-NC were transfected into BMSCs. Alkaline phosphatase (ALP) activity was detected by ALP staining, cell mineralization was detected by alizarin red staining, cell proliferation was detected by CCK-8, and cell apoptosis was detected by flow cytometry. Then, the expression of circ-FKBP5, miR-205-5p, RUNX2 and osteogenic marker genes was detected by RT-qPCR, and the expression of RUNX2 protein was detected by Western blot. Finally, the targeting relationship between miR-205-5p and circ-FKBP5 or RUNX2 was verified by bioinformation website analysis and dual luciferase reporter gene detection. RESULTS Circ-FK501 binding protein 51 (FKBP5) was distinctly elevated during OD of BMSCs. Elevated circ-FKBP5 boosted the proliferation and OD, as well as expression of osteogenic marker genes while reduced apoptosis of BMSCs. Down-regulation of circ-FKBP5 inhibited BMSCs proliferation, OD and osteogenic marker gene expression, and promoted apoptosis of BMSCs. Subsequently, circ-FKBP5 combined with miR-205-5p and constrained miR-205-5p expression. Silenced miR-205-5p boosted proliferation, OD, and expression of osteogenic marker genes and suppressed apoptosis of BMSCs. However, up-regulation of miR-205-5p inhibited BMSC proliferation, OD and osteogenic marker gene expression, and promoted apoptosis. Additionally, miR-205-5p targeted Runt-associated transcription factor 2 (RUNX2). Repression of RUNX2 turned around the effect of circ-FKBP5 overexpression on BMSCs. CONCLUSION In brief, circ-FKBP5 boosted BMSC proliferation and OD by mediating the miR-205-5p/RUNX2 axis.
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Affiliation(s)
- Yingchao Shen
- Department of Orthopaedics, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, No. 6 Huanghe Road, Changshu City, 210023, Jiangsu Province, China
| | - Bo Jiang
- Department of Hand and Foot Surgery, The Second Affiliated Hospital of Soochow University, Suzhou City, 215004, Jiangsu Province, China
| | - Bin Luo
- Department of Orthopaedics, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, No. 6 Huanghe Road, Changshu City, 210023, Jiangsu Province, China
| | - Xiaowei Jiang
- Department of Orthopaedics, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, No. 6 Huanghe Road, Changshu City, 210023, Jiangsu Province, China.
| | - Yang Zhang
- School of Biology and Food Engineering, Changshu Institute of Technology, No. 99, South Third Ring Road, Changshu City, 215500, Jiangsu Province, China.
| | - Qiang Wang
- Department of Orthopaedics, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, No. 6 Huanghe Road, Changshu City, 210023, Jiangsu Province, China
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Feng K, Yu M, Lou X, Wang D, Wang L, Ren W. Multi-omics analysis of bone marrow mesenchymal stem cell differentiation differences in osteoporosis. Genomics 2023; 115:110668. [PMID: 37315871 DOI: 10.1016/j.ygeno.2023.110668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 05/28/2023] [Accepted: 06/10/2023] [Indexed: 06/16/2023]
Abstract
Osteoporosis is a systemic skeletal disease characterized by low bone mass and degradation of bone tissue microarchitecture, leading to enhanced bone fragility and increased fracture risk. However, the pathogenesis of osteoporosis is unclear. Our results showed that BMSCs dervied from ovariectomized rats had a higher capacity for osteogenesis and lipogenic differentiation compared to the control group. In the meantime, we identified a total of 205 differentially expressed proteins and 2294 differentially expressed genes in BMSCs isolated from ovariectomized rats by proteomics analysis and transcriptome sequencing, respectively. These differentially expressed proteins and genes were mainly involved in ECM-receptor interaction signaling pathway. We speculate that BMSCs derived from ovariectomized rats have a higher potential for bone formation because expression of ECM collagen or genes encoding collagen in the bone ECM in BMSCs isolated from ovariectomized rats are increased compared with that from control group, which provided the prerequisite for the increased bone turnover effect. To conclusion, our results may provid new ideas for further research on the pathogenesis of osteoporosis.
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Affiliation(s)
- Kai Feng
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, Henan, China
| | - Mengyuan Yu
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, Henan, China
| | - Xingyue Lou
- College of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, Henan, China
| | - Duo Wang
- College of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, Henan, China
| | - Lei Wang
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, Henan, China; Institutes of Health Central Plain of Xinxiang Medical University, Xinxiang 453003, Henan, China; College of Life Sciences and Technology, Xinxiang Medical University, Xinxiang 453003, Henan, China.
| | - Wenjie Ren
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, Henan, China; Institutes of Health Central Plain of Xinxiang Medical University, Xinxiang 453003, Henan, China.
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18
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Liu X, Wu C, Zhang Y, Chen S, Ding J, Chen Z, Wu K, Wu X, Zhou T, Zeng M, Wei D, Sun J, Fan H, Zhou L. Hyaluronan-based hydrogel integrating exosomes for traumatic brain injury repair by promoting angiogenesis and neurogenesis. Carbohydr Polym 2023; 306:120578. [PMID: 36746568 DOI: 10.1016/j.carbpol.2023.120578] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/19/2023]
Abstract
With wide clinical demands, therapies for traumatic brain injury (TBI) are far from satisfactory. Combining the merits of stem cells but avoiding the risk of immunologic rejection, bone marrow mesenchymal stem cell-derived exosomes (BME) attract increasing interests and have been proved effective for TBI repair by intravenous or in situ injection. However, difficulties in sustained delivery or aggregation in lesion sites remain obstacle to using BME for TBI. Inspired by that hydrogels are promising to bridge the destroyed neural gap and provide neural niches, we raised a novel strategy of incorporating BME into hyaluronan-collagen hydrogel (DHC-BME) to achieve both mimicking of brain matrix and steady release of exosomes, and thus realizing TBI repair. External characterizations proved that the BME and DHC synergistically promoted neural stem cells (NSCs) differentiation into neurons and oligodendrocytes while inhibited astrocytes differentiation. DHC-BME induced angiogenesis and neurogenesis, from endogenous NSC recruitment to neuronal differentiation and vascularization to synergistically promote axonal regeneration, remyelination, synapse formation and even brain structural remodeling, and lastly, neurological functional recovery of TBI.
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Affiliation(s)
- Xiaoyin Liu
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, Sichuan, China
| | - Chengheng Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China; Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu 610065, Sichuan, China
| | - Yusheng Zhang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Suping Chen
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Jie Ding
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Zhihong Chen
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Kai Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Xiaoyang Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Ting Zhou
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Mingze Zeng
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Dan Wei
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Jing Sun
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Hongsong Fan
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China.
| | - Liangxue Zhou
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, Sichuan, China.
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Chu S, Yu T, Wang W, Wu H, Zhu F, Wei C, Gao F, Liu C, Fan H. Exosomes derived from EphB2-overexpressing bone marrow mesenchymal stem cells regulate immune balance and repair barrier function. Biotechnol Lett 2023; 45:601-617. [PMID: 37036605 DOI: 10.1007/s10529-023-03358-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/22/2022] [Accepted: 01/26/2023] [Indexed: 04/11/2023]
Abstract
BACKGROUND Disruption of intestinal barrier function and an imbalance in intestinal immunity are crucial for the occurrence and development of ulcerative colitis. Because of their important roles in regulating inflammation and immunity, exosomes (Exos) released from bone marrow mesenchymal stem cells (BMSCs) may be useful for treating ulcerative colitis. The EphB/EphrinB signaling pathway plays a crucial role in the inflammatory process and the development and function of immune cells, and can mediate long-distance intercellular communication through extracellular vesicles. This study was conducted to explore the effects of pre-modified BMSC-Exos expressing EphB2 (EphB2-Exos) on immunoregulation in vitro. METHODS We transfected a lentivirus vector encoding EphB2 into BMSCs and isolated EphB2-Exos from the culture supernatant. Inflammation and oxidative damage in the human colon adenocarcinoma cell line (Caco-2) were induced by dextran sulfate sodium/hydrogen peroxide. In addition, spleen CD4+ T lymphocytes of rats were sorted in vitro. We conducted a series of experiments to explore the biological functions of EphB2-Exos. RESULTS EphB2-Exos were successfully isolated and were found to significantly protect the activity, proliferation, and migration of Caco-2 cells that were inhibited by dextran sulfate sodium. EphB2-Exos alleviated inflammation and apoptosis and increased the activity of antioxidant enzymes while inhibiting oxidative stress in Caco-2 cells. EphB2-Exos restored intestinal barrier function by inhibiting the RhoA/ROCK pathway and regulated the polarization of CD4+T cells. CONCLUSION EphB2-Exos enhanced intestinal barrier function and regulated the immune balance by inhibiting the RhoA/ROCK pathway in vitro. These findings suggest that EphB2-Exos can be applied as a cell-free therapy for ulcerative colitis.
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Affiliation(s)
- Si Chu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Ting Yu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Wenzhu Wang
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Hui Wu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Feng Zhu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Chunzhu Wei
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Fei Gao
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Chang Liu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China
| | - Heng Fan
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Road, Jianghan District, Wuhan, 430022, China.
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20
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Xie L, Long X, Mo M, Jiang J, Zhang Q, Long M, Li M. Bone marrow mesenchymal stem cell-derived exosomes alleviate skin fibrosis in systemic sclerosis by inhibiting the IL-33/ST2 axis via the delivery of microRNA-214. Mol Immunol 2023; 157:146-157. [PMID: 37028129 DOI: 10.1016/j.molimm.2023.03.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/24/2023] [Accepted: 03/23/2023] [Indexed: 04/09/2023]
Abstract
Interleukin (IL)- 33 is a tissue-derive proinflammatory cytokine that promotes fibrosis in systemic sclerosis (SSc). microRNA (miR)- 214 expression has been elaborated to be downregulated in SSc patients and exert anti-fibrotic and anti-inflammatory effects. This study elucidates the role of bone marrow mesenchymal stem cell-derived exosome (BMSC-Exos)-delivered miR-214 in SSc and the relationship between this miR and IL-33/ST2 axis. SSc clinical samples were obtained to evaluate levels of miR-214, IL-33, and ST2. Primary fibroblasts and BMSC-Exos were extracted, followed by the co-culture of PKH6-labeled BMSC-Exos and fibroblasts. Subsequently, Exos extracted from miR-214 inhibitor-transfected BMSCs were co-cultured with TGF-β1-stimulated fibroblasts, after which the expression of fibrotic markers, miR-214, IL-33, and ST2, as well as fibroblast proliferation and migration, was determined. A skin fibrosis mouse model was induced with bleomycin (BLM) and treated with BMSC-Exos. Collagen fiber accumulation, collagen content, α-SMA expression, and IL-33 and ST2 levels were examined in BLM-treated or IL-33-knockout mice. IL-33 and ST2 were upregulated and miR-214 was downregulated in SSc patients. Mechanistically, miR-214 targeted IL-33 and blocked the IL-33/ST2 axis. BMSC-Exos delivering miR-214 inhibitor augmented proliferation, migration, and fibrotic gene expression in TGF-β1-stimulated fibroblasts. Similarly, IL-33 induced migration, proliferation, and fibrotic gene expression in fibroblasts via ST2. In BLM-treated mice, IL-33 knockout suppressed skin fibrosis, and BMSC-Exos delivered miR-214 to suppress the IL-33/ST2 axis, thus mitigating skin fibrosis. Conclusively, BMSC-Exos alleviate skin fibrosis through the blockade of the IL-33/ST2 axis by delivering miR-214.
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Affiliation(s)
- Lihu Xie
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Xiaoping Long
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Meili Mo
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Jinmei Jiang
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Qingxiu Zhang
- Department of Rehabilitation, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Mei Long
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China
| | - Mei Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, PR China.
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21
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Tong X, Xu Y, Zhang T, Deng C, Xun J, Sun D, Xu D. Exosomes from CD133 + human urine-derived stem cells combined adhesive hydrogel facilitate rotator cuff healing by mediating bone marrow mesenchymal stem cells. J Orthop Translat 2023; 39:100-112. [PMID: 36879794 PMCID: PMC9984782 DOI: 10.1016/j.jot.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 02/05/2023] [Accepted: 02/10/2023] [Indexed: 03/05/2023] Open
Abstract
Background The inadequate regeneration of natural tissue (mainly fibrocartilage) between tendon and bone during rotator cuff (RC) repair results in an unsatisfactory quality of RC healing. Cell-free therapy based on stem cell exosomes is a safer and more promising approach for tissue regeneration. Here, we investigated the effect of exosomes from human urine-derived stem cells (USCs) and their subpopulations (CD133+USCs) on RC healing. Methods USCs were isolated from urine and sorted by flow cytometry to obtain CD133+ urine-derived stem cells (CD133+ USCs). Urine-derived stem cell exosomes (USC-Exos) and CD133+ urine-derived stem cell exosomes (CD133+ USC-Exos) were subsequently isolated from the cell supernatant and identified by transmission electron microscopy (TEM), particle size analysis, and Western blot. We performed in vitro functional assays to evaluate the effects of USC-Exos and CD133+ USC-Exos on human bone marrow mesenchymal stem cells (BMSCs) proliferation, migration, osteogenic differentiation, and chondrogenic differentiation. In vivo experiments were performed by local injection of exosome-hydrogel complexes for the treatment of RC injury. The effects of CD133+ USC-Exos and USC-Exos on RC healing were assessed from imaging, histological, and biomechanical tests. Results CD133+ USCs were positive for CD29, CD44, CD73, CD90, CD133, but negative for CD34 and CD45. Differentiation ability test results showed that both USCs and CD133+ USCs had the potential for osteogenic, chondrogenic, and adipogenic differentiation, but CD133+ USCs had stronger chondrogenic differentiation ability. CD133+ USC-Exos and USC-Exos could be efficiently taken up by BMSCs and promote their migration, osteogenic and chondrogenic differentiation. However, CD133+ USC-Exos could promote the chondrogenic differentiation of BMSCs more than USC-Exos. Compared with USC-Exos, CD133+ USC-Exos could promote the healing of bone-tendon interface (BTI) more effectively, which might be related to its ability to promote the differentiation of BMSCs into chondroblasts. Although the two exosomes exhibited the same effect in promoting subchondral bone repair in BTI, the CD133+ USC-Exos group had higher histological scores and stronger biomechanical properties. Conclusion CD133+ USC-Exos hydrogel complex may become a promising therapeutic approach for RC healing based on stem cell exosomes. The translational potential of this article This is the first study to assess the specific role of CD133+ USC-Exos in RC healing which may be related to the activation of BMSCs by CD133+ USC-Exos towards chondrogenic differentiation. Further, our study provides a reference for possible future treatment of BTI by applying CD133+ USC-Exos hydrogel complex.
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Affiliation(s)
- Xiaopeng Tong
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yan Xu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Tao Zhang
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Chao Deng
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Jinrui Xun
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Deyi Sun
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Daqi Xu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
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22
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Gholami Farashah MS, Javadi M, Mohammadi A, Soleimani Rad J, Shakouri SK, Roshangar L. Bone marrow mesenchymal stem cell's exosomes as key nanoparticles in osteogenesis and bone regeneration: specific capacity based on cell type. Mol Biol Rep 2022; 49:12203-12218. [PMID: 36224447 DOI: 10.1007/s11033-022-07807-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 07/19/2022] [Indexed: 10/17/2022]
Abstract
Today, communities and their health systems are facing with several challenges associated with the population ageing. Growing number of bone disorders is one of the most serious consequences of aging. According to the reports bone disorders won't just affect the elderly population. Mesenchymal stem cells (MSCs) are multipotent cells that could be derived from a variety of tissues including bone marrow, Wharton's Jelly, adipose tissue, and others. MSCs have been utilized in different researches in the field of regenerative medicine because of their immunosuppression and anti-inflammatory mechanisms (like: inhibiting the activity of antigen presenting cells, and suppressing the activity of T lymphocyte cells, macrophages, and so on.), migration to injured areas, and participation in healing processes. Bone marrow mesenchymal stem cells (BMMSCs) are a type of these cells which can be commonly used in bone research with the promising results. These cells function by releasing a large number of extracellular vesicles (EVs). Exosomes are the most major EVs products produced by BMMSCs. They have the same contents and properties as their parent cells; however, these structures don't have the defects of cell therapy. Proteins (annexins, tetraspannins, etc.), lipids (cholesterol, phosphoglycerides, etc.), nucleic acids (micro-RNAs, and etc.) and other substances are found in exosomes. Exosomes affect target cells, causing them to change their function. The features of BMMSC exosomes' mechanism in osteogenesis and bone regeneration (like: effects on other MSCs, osteoblasts, osteoclasts, and angiogenesis) and also the effects of their micro-RNAs on osteogenesis are the subject of the present review.
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Affiliation(s)
- Mohammad Sadegh Gholami Farashah
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Javadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Mohammadi
- Stem cell and regenerative medicine research center, Iran University of Medical Sciences, Tehran, Iran.,Department of Anatomical Sciences, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Jafar Soleimani Rad
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Kazem Shakouri
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Roshangar
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran. .,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Anatomical Sciences, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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23
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Lai G, Zhao R, Zhuang W, Hou Z, Yang Z, He P, Wu J, Sang H. BMSC-derived exosomal miR-27a-3p and miR-196b-5p regulate bone remodeling in ovariectomized rats. PeerJ 2022; 10:e13744. [PMID: 36168439 PMCID: PMC9509671 DOI: 10.7717/peerj.13744] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/27/2022] [Indexed: 01/22/2023] Open
Abstract
Background In the bone marrow microenvironment of postmenopausal osteoporosis (PMOP), bone marrow mesenchymal stem cell (BMSC)-derived exosomal miRNAs play an important role in bone formation and bone resorption, although the pathogenesis has yet to be clarified. Methods BMSC-derived exosomes from ovariectomized rats (OVX-Exo) and sham-operated rats (Sham-Exo) were co-cultured with bone marrow-derived macrophages to study their effects on osteoclast differentiation. Next-generation sequencing was utilized to identify the differentially expressed miRNAs (DE-miRNAs) between OVX-Exo and Sham-Exo, while target genes were analyzed using bioinformatics. The regulatory effects of miR-27a-3p and miR-196b-5p on osteogenic differentiation of BMSCs and osteoclast differentiation were verified by gain-of-function and loss-of-function analyses. Results Osteoclast differentiation was significantly enhanced in the OVX-Exo treatment group compared to the Sham-Exo group. Twenty DE-miRNAs were identified between OVX-Exo and Sham-Exo, among which miR-27a-3p and miR-196b-5p promoted the expressions of osteogenic differentiation markers in BMSCs. In contrast, knockdown of miR-27a-3p and miR-196b-5p increased the expressions of osteoclastic markers in osteoclast. These 20 DE-miRNAs were found to target 11435 mRNAs. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses revealed that these target genes were involved in several biological processes and osteoporosis-related signaling pathways. Conclusion BMSC-derived exosomal miR-27a-3p and miR-196b-5p may play a positive regulatory role in bone remodeling.
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Affiliation(s)
- Guohua Lai
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Renli Zhao
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Weida Zhuang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zuoxu Hou
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zefeng Yang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Peipei He
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jiachang Wu
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Hongxun Sang
- Department of Orthopedics, Shenzhen Hospital, Southern Medical University, Shenzhen, China,The Third School of Clinical Medicine, Southern Medical University, Guangzhou, China
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Zhao Y, Chen Y, Wang Z, Xu C, Qiao S, Liu T, Qi K, Tong D, Li C. Bone Marrow Mesenchymal Stem Cell Exosome Attenuates Inflammasome-Related Pyroptosis via Delivering circ_003564 to Improve the Recovery of Spinal Cord Injury. Mol Neurobiol 2022; 59:6771-6789. [PMID: 36038697 DOI: 10.1007/s12035-022-03006-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/16/2022] [Indexed: 10/15/2022]
Abstract
Bone marrow mesenchymal stem cell (BMSC) is previously reported to present a certain effect on treating spinal cord injury (SCI), while the underlying mechanism is largely uncovered. Therefore, the current study aimed to investigate the involvement of exosome-delivered circRNA profile in the BMSC's effect on pyroptosis for SCI treatment. H2O2 treated rat primary neurons were cultured with normal medium, BMSC, BMSC plus GW4869, and BMSC-derived exosome, respectively, then inflammasome-related pyroptosis markers, and circRNA profiles were detected. Subsequently, circ_003564-knockdown BMSC exosome was transfected into H2O2 treated rat primary neurons and NGF-stimulated PC-12 cells. Furthermore, in vivo validation was conducted. BMSC and BMSC-derived exosome both decreased inflammasome-related pyroptosis markers including cleaved caspase-1, GSDMD, NLRP3, IL-1β, and IL-18 in H2O2-treated neurons, while exosome-free BMSC (BMSC plus GW4869) did not obviously reduce these factors. Microarray assay revealed that BMSC (vs. exosome-free BMSC) and BMSC-derived exosome (vs. normal medium) greatly regulated circRNA profiles, which were enriched in neuroinflammation pathways (such as neurotrophin, apoptosis, and TNF). Among three functional candidate circRNAs (circ_015525, circ_008876, and circ_003564), circ_003564 was most effective to regulate inflammasome-related pyroptosis. Interestingly, circ_003564-knockdown BMSC exosome showed higher expression of inflammasome-related pyroptosis markers compared to negative-control-knockdown BMSC exosome in H2O2 treated primary neurons/NGF-stimulated PC-12 cells. In vivo, BMSC exosome improved the function recovery and decreased tissue injury and inflammasome-related pyroptosis in SCI rats, whose effect was attenuated by circ_003564 knockdown transfection. BMSC exosome attenuates inflammasome-related pyroptosis via delivering circ_003564, contributing to its treatment efficacy for SCI.
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Affiliation(s)
- Yanyin Zhao
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu Chen
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhiwei Wang
- Department of Orthopedics, Changhai Hospital, Naval Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Changli Xu
- Department of Orthopedics, Changhai Hospital, Naval Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Suchi Qiao
- Department of Orthopedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Tianze Liu
- Department of Orthopedics, Changhai Hospital, Naval Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Ke Qi
- Department of Orthopedics, Changhai Hospital, Naval Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Dake Tong
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China.
| | - Cheng Li
- Department of Orthopedics, Changhai Hospital, Naval Medical University, No. 168 Changhai Road, Shanghai, 200433, China.
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Luo H, Huang F, Huang Z, Huang H, Liu C, Feng Y, Qi Z. microRNA-93 packaged in extracellular vesicles from mesenchymal stem cells reduce neonatal hypoxic-ischemic brain injury. Brain Res 2022; 1794:148042. [PMID: 35952773 DOI: 10.1016/j.brainres.2022.148042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/31/2022] [Accepted: 08/05/2022] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) have been proposed as a promising strategy for treating ischemia-related diseases. Herein, we probed into the role of miR-93 delivered by BMSC-EVs in hypoxic-ischemic brain injury (HIBD). METHODS Neonatal HIBD mouse models and hippocampal neuron models of oxygen glucose deprivation (OGD) were constructed. EVs were isolated from the culture medium of bone marrow MSCs (BMSCs). After co-culture of BMSC-EVs with OGD-exposed hippocampal neurons, the effect of microRNA-93 (miR-93) delivered by BMSC-EVs on OGD-induced hippocampal neurons as well as on HIBD in vivo under transfection of miR-93 mimic or inhibitor was explored. The interaction among miR-93, JMJD3, and p53/KLF2 axis was assessed. RESULTS BMSC-EVs prevented OGD-induced hippocampal neuron apoptosis and inflammation, which was associated with their transfer of miR-93 into the hippocampal neurons. miR-93 targeted JMJD3 and downregulated its expression, thus inhibiting the OGD-induced hippocampal neuron apoptosis. By regulating the JMJD3/p53/KLF2 axis, miR-93 in BMSC-EVs reduced the OGD-induced hippocampal neuron apoptosis in vitro as well as alleviating HIBD in vivo. CONCLUSIONS The current study highlighted that miR-93 delivered by BMSC-EVs alleviated HIBD in neonatal mice through the JMJD3-dependent p53/KLF2 axis.
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Affiliation(s)
- Hongcheng Luo
- Department of Medical Laboratory, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China; Medical College of Guangxi University, Nanning 530004, Guangxi, China
| | - Fugao Huang
- Department of Ultrasound, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Zhijing Huang
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Huatuo Huang
- Department of Medical Laboratory, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China
| | - Chunhong Liu
- Department of Medical Laboratory, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China
| | - Yanni Feng
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China.
| | - Zhongquan Qi
- Medical College of Guangxi University, Nanning 530004, Guangxi, China.
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Shen H, Jiang W, Yu Y, Feng Y, Zhang T, Liu Y, Guo L, Zhou N, Huang X. microRNA-146a mediates distraction osteogenesis via bone mesenchymal stem cell inflammatory response. Acta Histochem 2022; 124:151913. [PMID: 35759812 DOI: 10.1016/j.acthis.2022.151913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/09/2022] [Accepted: 05/24/2022] [Indexed: 11/20/2022]
Abstract
Distraction osteogenesis (DO) is a widely used surgical technique to repair bone defects, partly owing to its high efficiency in inducing osteogenesis; however, the process of osteogenesis is complex, and the precise mechanism is still unclear. Among the factors identified for an effective DO procedure, well-controlled inflammation is essential. We aimed to explore how microRNA(miR)-146a, a negative regulator of inflammation, influences osteogenesis in DO. First, we established canine right mandibular DO and bone fracture models to evaluate the expression level of miR-146a in response to these procedures. Second, bone marrow mesenchymal stem cells (BMSCs) were isolated from healthy puppies and cultured with lipopolysaccharide (LPS) to observe how inflammation affects osteogenesis. Finally, the osteogenesis activity of BMSCs transfected with lentiviral vector either overexpressing (miR-146a-up) or inhibited for miR-146a expression was evaluated. miR-146a-up-transfected BMSCs were injected locally into the distraction gaps of the DO model canines. On days 42 and 56 post-surgery, the bone volume/tissue volume and bone mineral density values were evaluated via using micro-computed tomography, and newly formed tissues were harvested and evaluated via histological staining. The expression of miR-146a in both the DO canine model and LPS-stimulated BMSCs increased. Overexpression of miR-146a enhanced cell proliferation, migration, and osteogenic differentiation. Additionally, the newly formed callus was improved in canine mandibles injected with miR-146a-up-transfected BMSCs. In summary, miR-146a regulates mandibular DO by improving osteogenesis, and can serve as a potential target to shorten the therapy period of DO.
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Affiliation(s)
- Huijuan Shen
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Weidong Jiang
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Yangyang Yu
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Yuan Feng
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Tao Zhang
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Yan Liu
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Lina Guo
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China
| | - Nuo Zhou
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China.
| | - Xuanping Huang
- Departement of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, People's Republic of China; Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Key Laboratory of Oral and Maxillofacial Surgery Disease Treatment, Guangxi Clinical Research Center for Craniofacial Deformity, Nanning 530021, People's Republic of China.
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Nowlan B, Williams ED, Doran MR. Direct bone marrow injection of human bone marrow-derived stromal cells into mouse femurs results in greater prostate cancer PC-3 cell proliferation, but not specifically proliferation within the injected femurs. BMC Cancer 2022; 22:554. [PMID: 35581599 PMCID: PMC9112579 DOI: 10.1186/s12885-022-09430-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 03/14/2022] [Indexed: 11/21/2022] Open
Abstract
Background While prostate cancer (PCa) cells most often metastasize to bone in men, species-specific differences between human and mouse bone marrow mean that this pattern is not faithfully replicated in mice. Herein we evaluated the impact of partially humanizing mouse bone marrow with human bone marrow-derived stromal cells (BMSC, also known as "mesenchymal stem cells") on human PCa cell behaviour. Methods BMSC are key cellular constituents of marrow. We used intrafemoral injection to transplant 5 × 105 luciferase (Luc) and green fluorescence protein (GFP) expressing human BMSC (hBMSC-Luc/GFP) into the right femur of non-obese diabetic (NOD)-severe combined immunodeficiency (scid) interleukin (IL)-2γ−/− (NSG) mice. Two weeks later, 2.5 × 106 PC-3 prostate cancer cells expressing DsRed (PC-3-DsRed) were delivered into the mice via intracardiac injection. PC-3-DsRed cells were tracked over time using an In Vivo Imaging System (IVIS) live animal imaging system, X-ray and IVIS imaging performed on harvested organs, and PC-3 cell numbers in femurs quantified using flow cytometry and histology. Results Flow cytometry analysis revealed greater PC-3-DsRed cell numbers within femurs of the mice that received hBMSC-Luc/GFP. However, while there were overall greater PC-3-DsRed cell numbers in these animals, there were not more PC-3-DsRed in the femurs injected with hBMSC-Luc/GFP than in contralateral femurs. A similar proportion of mice in with or without hBMSC-Luc/GFP had bone lessions, but the absolute number of bone lesions was greater in mice that had received hBMSC-Luc/GFP. Conclusion PC-3-DsRed cells preferentially populated bones in mice that had received hBMSC-Luc/GFP, although PC-3-DsRed cells not specifically localize in the bone marrow cavity where hBMSC-Luc/GFP had been transplanted. hBMSC-Luc/GFP appear to modify mouse biology in a manner that supports PC-3-DsRed tumor development, rather than specifically influencing PC-3-DsRed cell homing. This study provides useful insights into the role of humanizing murine bone marrow with hBMSC to study human PCa cell biology. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-022-09430-6.
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Affiliation(s)
- Bianca Nowlan
- School of Biomedical Science, Faculty of Health, Queensland University of Technology at the Translational Research Institute, Brisbane, Australia.,Australian Prostate Cancer Research Centre-Queensland, Brisbane, Australia
| | - Elizabeth D Williams
- School of Biomedical Science, Faculty of Health, Queensland University of Technology at the Translational Research Institute, Brisbane, Australia.,Australian Prostate Cancer Research Centre-Queensland, Brisbane, Australia
| | - Michael Robert Doran
- School of Biomedical Science, Faculty of Health, Queensland University of Technology at the Translational Research Institute, Brisbane, Australia. .,Australian Prostate Cancer Research Centre-Queensland, Brisbane, Australia. .,Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia. .,Mater Research Institute - University of Queensland, Brisbane, Australia. .,Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, USA.
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28
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Savoj S, Esfahani MHN, Karimi A, Karamali F. Integrated stem cells from apical papilla in a 3D culture system improve human embryonic stem cell derived retinal organoid formation. Life Sci 2022; 291:120273. [PMID: 35016877 DOI: 10.1016/j.lfs.2021.120273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/15/2021] [Accepted: 12/23/2021] [Indexed: 01/08/2023]
Abstract
AIM Eye organoids are 3D models of the retina that provide new possibilities for studying retinal development, drug toxicity and the molecular mechanisms of diseases. Although there are several protocols that can be used to generate functional tissues, none have been used to assemble human retinal organoids containing mesenchymal stem cells (MSCs). MAIN METHODS In this study we intend to assess the effective interactions of MSCs and human embryonic stem cells (hESCs) during retinal organoid formation. We evaluated the inducing activities of bone marrow MSCs (BM-MSCs), trabecular meshwork (TM), and stem cells from apical papilla (SCAP)-derived MSCs in differentiation of hESCs in a three-dimensional (3D) direct co-culture system. KEY FINDINGS In comparison with the two other MSC sources, the induction potential of SCAP was confirmed in the co-culture system. Although the different SCAP cell ratios did not show any significant morphology changes during the first seven days, increasing the number of SCAPs improved formation of the optic vesicle (OV) structure, which was confirmed by assessment of specific markers. The OVs subsequently developed to an optic cup (OC), which was similar to the in vivo environment. These arrangements expressed MITF in the outer layer and CHX10 in the inner layer. SIGNIFICANCE We assessed the inducing activity of SCAP during differentiation of hESCs towards a retinal fate in a 3D organoid system. However, future studies be conducted to gather additional details about the development of the eye field, retinal differentiation, and the molecular mechanisms of diseases.
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Affiliation(s)
- Soraya Savoj
- Department of Biology, University of Payam Noor, Isfahan, Iran; Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr Esfahani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Akbar Karimi
- Department of Biology, University of Payam Noor, Isfahan, Iran.
| | - Fereshteh Karamali
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
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Shen C, Tao C, Zhang A, Li X, Guo Y, Wei H, Yin Q, Li Q, Jin P. Exosomal microRNA⁃93⁃3p secreted by bone marrow mesenchymal stem cells downregulates apoptotic peptidase activating factor 1 to promote wound healing. Bioengineered 2021; 13:27-37. [PMID: 34898374 PMCID: PMC8805970 DOI: 10.1080/21655979.2021.1997077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Wounds are soft tissue injuries, which are difficult to heal and can easily lead to other skin diseases. Bone marrow mesenchymal stem cells (BMSCs) and the secreted exosomes play a key role in skin wound healing. This study aims to clarify the effects and mechanisms of exosomes derived from BMSCs in wound healing. Exosomes were extracted from the supernatant of the BMSCs. The expression of the micro-RNA miR-93-3p was determined by qRT-PCR analysis. HaCaT cells were exposed to hydrogen peroxide (H2O2) to establish a skin lesion model. MTT, flow cytometry, and transwell assays were conducted to determine cellular functions. The binding relationship between miR-93-3p and apoptotic peptidase activating factor 1 (APAF1) was measured using a dual luciferase reporter gene assay. The results showed that BMSC-derived exosomes or BMSC-exos promoted proliferation and migration and suppressed apoptosis in HaCaT cells damaged by H2O2. However, the depletion of miR-93-3p in BMSC-exos antagonized the effects of BMSC-exos on HaCaT cells. In addition, APAF1 was identified as a target of miR-93-3p. Overexpression of APAF1 induced the dysfunction of HaCaT cells. Collectively, the results indicate that BMSC-derived exosomes promote skin wound healing via the miR-93-3p/APAF1 axis. This finding may help establish a new therapeutic strategy for skin wound healing.
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Affiliation(s)
- Caiqi Shen
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Changbo Tao
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Aijun Zhang
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Xueyang Li
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Yanping Guo
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Hanxiao Wei
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Qichuan Yin
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
| | - Qiang Li
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Huaihai Xi Lu, Quanshan District, Xuzhou, Jiangsu Province, China
| | - Peisheng Jin
- Plastic Surgery Department, Affiliated Hospital of Xuzhou Medical University, Xuzhou City, Jiangsu Province, China
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Wang W, Wang Y, Tang Z, Chen Y, Liu Z, Duan H, Zhong Z, He F. Mesenchymal stem cells prevent ovariectomy-induced osteoporosis formation in mice through intraosseous vascular remodeling. Biochem Biophys Res Commun 2021; 582:64-71. [PMID: 34689107 DOI: 10.1016/j.bbrc.2021.10.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/13/2021] [Indexed: 12/18/2022]
Abstract
Mesenchymal stem cells (MSCs) can promote osteogenesis and are a promising therapy for postmenopausal osteoporosis. However, the relationship between improved intraosseous microcirculation and increased bone mass induced by MSCs in postmenopausal osteoporosis remains unclear. After the primary MSCs were characterized, they were transplanted into ovariectomized mice. MSCs transplantation enhanced the trabecular number, trabecular bone volume/total volume, and trabecular bone mineral density in ovariectomized mice. To determine the role of MSCs in vascular repair, mice were subjected to femoral artery ligation. Through laser speckle flowmetry, vascular perfusion and femoral trabecular bone and cortical bone analyses, we determined the effects of MSCs in promoting intraosseous angiogenesis and preventing osteoporosis in mice. MSCs effectively prevented postmenopausal osteoporosis development, which is associated with the involvement of MSCs in reestablishment of microcirculation within the skeleton.
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Affiliation(s)
- Weizhou Wang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China; Kunming Medical University, Yunnan, China
| | - Yanghao Wang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China; Kunming Medical University, Yunnan, China
| | - Zhihong Tang
- Department of orthopaedics, People's Hospital of Guang'an City, Sichuan, China
| | - Yongcheng Chen
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China; Kunming Medical University, Yunnan, China
| | - Zhui Liu
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China; Kunming Medical University, Yunnan, China
| | - Hao Duan
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Zongyu Zhong
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China
| | - Fei He
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Yunnan, China; Yunnan Province Stem Cell Technology Application Research Center, Yunnan, China; Yunnan Provincial Clinical Medical Center for Bone and Joint Diseases, Yunnan, China.
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Li J, Lv Y, Wang H, Liu Y, Ren J, Wang H. Cardiomyocyte-like cell differentiation by FGF-2 transfection and induction of rat bone marrow mesenchymal stem cells. Tissue Cell 2021; 73:101665. [PMID: 34695652 DOI: 10.1016/j.tice.2021.101665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE(S) To investigate and test the hypotheses that FGF-2 enhanced myocardial differentiation with rat bone marrow mesenchymal stem cells (BMSCs). MATERIALS AND METHODS Lentiviral vectors carrying the FGF-2 gene were transfected into rat BMSCs firstly. According to the different inducing agents, they were divided into the following four groups: group A (BMSCs blank control group), group B (FGF-2 induction group), group C (Lenti-FGF-2-GFP lentivirus transfection group), and the group D (Lenti-control-GFP lentiviral transfer). Then several kinds of experimental methods such as real-time PCR, immunocytochemical staining, immunofluorescence staining, Western blot, and transmission electron microscopy were used to elucidate the effects by which FGF-2 adjusts myocardial differentiation in rat BMSCs. RESULTS The results of real-time PCR showed that GATA-4 and Nkx2.5 were expressed in all groups of cells. Compared with the experimental control group, the expression of GATA-4 and Nkx2.5 genes was the strongest after induction of 2 weeks in each induction group, and gradually decreased after induction of 4 weeks. Among them, the relative expression levels of GATA-4 and Nkx2.5 genes in Lenti-FGF-2-GFP were highest at all time points. The expressions of cTnI, cTnT, Cx43, and Desmin were detected by immunocytochemical staining and immunofluorescence staining. After 4 weeks of induction, cTnI, cTnT, Cx43, and Desmin were positively expressed in the cytoplasm of cells. Statistical analysis showed that the integrated optical density (IOD) values of the markers in the Lenti-FGF-2-GFP were the strongest. Cx43 and cTnI were weakly positive or negative in the experimental control group. There was a significant difference in the positive expression of each marker in each induction group and the experimental control group. Western blot analysis showed that Tromyosin (Tm) and Desmin were expressed in the blank group, FGF-2 drug-induced group, Lenti-FGF-2-GFP, and empty virus control transfection group after 4 weeks of induction, among which FGF-2 lentivirus transfected. The expression levels of Tm and Desmin were the highest in the staining induction group. Statistical analysis showed that the positive expressions of Tm and Desmin in each experimental group were statistically significant. Transmission electron microscopy showed that the nucleus of the cells transfected and induced by FGF-2 was located at the center of the cells. Myofilaments, rough endoplasmic reticulum, and mitochondria, and ribosomes were seen in the cytoplasm. CONCLUSION These results indicate that FGF-2 can transfect and induce differentiation of BMSCs into cardiomyocyte-like cells. Lentivirus-mediated FGF-2 transfection induces the differentiation of bone marrow mesenchymal stem cells into cardiomyocyte-like cells better than FGF-2 direct induction.
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Affiliation(s)
- Jiao Li
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China
| | - Yang Lv
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China
| | - Haoyu Wang
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China
| | - Yang Liu
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China
| | - Junxu Ren
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China
| | - Haiping Wang
- Department of Histology and Embryology, Hebei North University, Zhangjiakou city, China.
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Ding H, Jia Y, Lv H, Chang W, Liu F, Wang D. Extracellular vesicles derived from bone marrow mesenchymal stem cells alleviate neuroinflammation after diabetic intracerebral hemorrhage via the miR-183-5p/PDCD4/NLRP3 pathway. J Endocrinol Invest 2021; 44:2685-2698. [PMID: 34024028 DOI: 10.1007/s40618-021-01583-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/20/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Intracerebral hemorrhage (ICH) induced by diabetes results in further brain injury and nerve cell death. Bone marrow mesenchymal stem cell (BMSC) transplantation contributes to attenuating neurological deficits after ICH. This study investigated the mechanism of extracellular vesicles (EVs) derived from BMSCs in reducing neuroinflammation after diabetic ICH. METHODS BMSC-EVs were isolated and identified. The rat model of db/db-ICH was established and the model rats were administered with EVs. miR-183-5p expression in brain tissues of db/db-ICH rats was detected. The brain injury of db/db-ICH rats was evaluated by measuring neurobehavioral score, brain water content and inflammatory factors. BV2 cells were cultured in vitro to establish high-glucose (HG)-Hemin-BV2 cell model. The levels of reactive oxygen species (ROS) and inflammatory factors in BV2 cells were measured, and BV2 cell viability and apoptosis were assessed. The targeting relationship between miR-183-5p and PDCD4 was predicted and verified. The activation of PDCD4/NLRP3 pathway in rat brain tissues and BV2 cells was detected. RESULTS miR-183-5p expression was reduced in db/db-ICH rats brain tissues. BMSC-EVs ameliorated cranial nerve function, decreased brain water content and repressed inflammatory response by carrying miR-183-5p. BMSC-EVs mitigated HG-Hemin-BV2 cell injury, reduced ROS level and suppressed inflammatory response. miR-183-5p targeted PDCD4. PDCD4 promoted BV2 cell inflammation by activating the NLRP3 pathway. BMSC-EVs inhibited HG-Hemin-BV2 cell inflammation through the miR-183-5p/PDCD4/NLRP3 pathway, and inhibition of miR-183-5p reversed the protective effect of EVs. CONCLUSION BMSC-EVs carried miR-183-5p into db/db-ICH rat brain tissues and repressed the NLRP3 pathway by targeting PDCD4, thus alleviating neuroinflammation after diabetic ICH.
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Affiliation(s)
- H Ding
- Department of Orthopedics, The First Affiliated Hospital of Bengbu Medical College, No.287, Changhuai Road, Bengbu, 233004, Anhui, People's Republic of China.
- Anhui Key Laboratory of Tissue Transplantation, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233004, People's Republic of China.
| | - Y Jia
- Department of Ophthalmology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, 233004, People's Republic of China
| | - H Lv
- Anhui Key Laboratory of Tissue Transplantation, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233004, People's Republic of China
- Department of Immunology, Bengbu Medical College, Anhui, 233030, People's Republic of China
| | - W Chang
- Department of Orthopedics, The First Affiliated Hospital of Bengbu Medical College, No.287, Changhuai Road, Bengbu, 233004, Anhui, People's Republic of China
- Anhui Key Laboratory of Tissue Transplantation, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233004, People's Republic of China
| | - F Liu
- Department of Orthopedics, The First Affiliated Hospital of Bengbu Medical College, No.287, Changhuai Road, Bengbu, 233004, Anhui, People's Republic of China
- Anhui Key Laboratory of Tissue Transplantation, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233004, People's Republic of China
| | - D Wang
- Department of Orthopedics, The First Affiliated Hospital of Bengbu Medical College, No.287, Changhuai Road, Bengbu, 233004, Anhui, People's Republic of China
- Anhui Key Laboratory of Tissue Transplantation, The First Affiliated Hospital of Bengbu Medical College, Anhui, 233004, People's Republic of China
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Kattner AA. Greek gods and the double-edged sword of liver regeneration. Biomed J 2021; 44:515-520. [PMID: 34715410 PMCID: PMC8640535 DOI: 10.1016/j.bj.2021.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 02/07/2023] Open
Abstract
In the current issue of the Biomedical Journal we gain an insight into the regeneration of liver tissue and how an over-the-counter supplement, stem cells and two plant extracts counteract liver damage. Furthermore the advances against hepatitis C virus are presented, the role of long non-coding RNA elucidated as well as the potential of an adhesion G protein-coupled receptor. In another contribution, the definition and evolutionary impact of copy number variants is clarified. Also, the polymorphism of a scaffolding caspase is investigated. We furthermore learn about the relation between SARS-CoV2 mutants in dependence of geography and explore the challenges of telemedicine in a complex healthcare field. A novel approach to engineering artificial grafts is presented, the challenges of total knee arthroplasty discussed as well as a possible mean of sinus floor elevation for dental implants. At last the concept of flipped classroom is scrutinized in terms of usefulness for a hospital in Taiwan.
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Zhang L, Wei Q, Liu X, Zhang T, Wang S, Zhou L, Zou L, Fan F, Chi H, Sun J, Wang D. Exosomal microRNA-98-5p from hypoxic bone marrow mesenchymal stem cells inhibits myocardial ischemia-reperfusion injury by reducing TLR4 and activating the PI3K/Akt signaling pathway. Int Immunopharmacol 2021; 101:107592. [PMID: 34715573 DOI: 10.1016/j.intimp.2021.107592] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 12/16/2022]
Abstract
OBJECTIVE MicroRNAs (miRNAs) are essential biomarkers during development of human diseases. We aimed to explore the role of hypoxia-induced bone marrow mesenchymal stem cells (BMSCs)-derived exosomal miR-98-5p in myocardial ischemia-reperfusion injury (MI/RI). METHODS BMSCs were isolated, cultured, stimulated by hypoxia and transfected with adenovirus expressing miR-98-5p. The exosomes were extracted from BMSCs and named as BMSC-exos. The rat MI/RI models were established by ligation of left anterior descending artery and were respectively injected. Then, hemodynamic indices, myocardial enzymes, oxidative stress factors, inflammatory factors, macrophage infiltration and infarct size in these rats were determined. Expression of miR-98-5p, toll-like receptor 4 (TLR4) and the phosphatidylinositol-3-kinase/protein kinase B (PI3K/Akt) signaling pathway-related proteins was assessed. The target relation between miR-98-5p and TLR4 was confirmed by bioinformatic method and dual luciferase report gene assay. RESULTS MiR-98-5p was downregulated, TLR4 was upregulated and the PI3K/Akt signaling pathway was inactivated in MI/RI rat myocardial tissues. Exosomal miR-98-5p from hypoxic BMSCs promoted cardiac function and suppressed myocardial enzyme levels, oxidative stress, inflammation response, macrophage infiltration and infarct size in I/R myocardial tissues. Moreover, TRL4 was targeted by miR-98-5p and miR-98-5p activated PI3K/Akt signaling pathway. CONCLUSION Hypoxia-induced BMSC-exos elevated miR-98-5p to protect against MI/RI. This study may be helpful for treatment of MI/RI.
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Karabıyık Acar Ö, Bedir S, Kayitmazer AB, Kose GT. Chondro-inductive hyaluronic acid/chitosan coacervate-based scaffolds for cartilage tissue engineering. Int J Biol Macromol 2021; 188:300-312. [PMID: 34358603 DOI: 10.1016/j.ijbiomac.2021.07.176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/22/2021] [Accepted: 07/27/2021] [Indexed: 12/15/2022]
Abstract
Injuries related to articular cartilage are among the most challenging musculoskeletal problems because of poor repair capacity of this tissue. The lack of efficient treatments for chondral defects has stimulated research on cartilage tissue engineering applications combining porous biocompatible scaffolds with stem cells in the presence of external stimuli. This work presents the role of rat bone marrow mesenchymal stem cell (BMSC) encapsulated-novel three-dimensional (3D) coacervate scaffolds prepared through complex coacervation between different chitosan salts (CHI) and sodium hyaluronate (HA). The 3D architecture of BMSC encapsulated scaffolds (HA/CHI) was shown by scanning electron microscopy (SEM) to have an interconnected structure to allow cell-cell and cell-matrix interactions. Chondrogenic induction of encapsulated BMSCs within HA/CHI coacervates demonstrated remarkable cellular viability in addition to the elevated expression levels of chondrogenic markers such as sex determining region Y-box 9 protein (SOX9), aggrecan (ACAN), cartilage oligomeric matrix protein (COMP) and collagen type II (COL2A1) by immunofluorescence staining, qPCR and ELISA test. Collectively, HA/CHI coacervates are promising candidates for future use of these scaffolds in cartilage tissue engineering applications.
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Affiliation(s)
- Özge Karabıyık Acar
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey.
| | - Seden Bedir
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | | | - Gamze Torun Kose
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey.
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Jin J, Ou Q, Wang Z, Tian H, Xu JY, Gao F, Hu S, Chen J, Wang J, Zhang J, Lu L, Jin C, Xu GT, Zhao J. BMSC-derived extracellular vesicles intervened the pathogenic changes of scleroderma in mice through miRNAs. Stem Cell Res Ther 2021; 12:327. [PMID: 34090522 PMCID: PMC8179710 DOI: 10.1186/s13287-021-02400-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/18/2021] [Indexed: 12/19/2022] Open
Abstract
Background Systemic sclerosis (SSc) is a disease that features severe fibrosis of the skin and lacks effective therapy. Bone marrow mesenchymal stem cell (BMSC)-derived extracellular vesicles (EVs) are potential stem cell-based tools for the treatment of SSc. Methods BMSCs were isolated from the bone marrow of mice and identified with surface markers according to multilineage differentiation. EVs were isolated from the BMSC culture medium by ultracentrifugation and identified with a Nanosight NS300 particle size analyzer, transmission electron microscopy (TEM), and western blot. The microRNAs (miRNAs) of BMSC-derived EVs (BMSC-EVs) were studied via miRNA sequencing (miRNA-seq) and bioinformatic analysis. An SSc mouse model was established via subcutaneous bleomycin (BLM) injection, and the mice were treated with BMSCs or BMSC-derived EVs. Skin tissues were dissociated and analyzed with H&E staining, RNA sequencing (RNA-seq), western blot, and immunohistochemical staining. Results Evident pathological changes, like fibrosis and inflammation, were induced in the skin of BLM-treated mice. BMSCs and BMSC-EVs effectively intervened such pathological manifestations and disease processes in a very similar way. The effects of the BMSC-EVs were found to be caused by the miRNAs they carried, which were proven to be involved in regulating the proliferation and differentiation of multiple cell types and in multiple EV-related biological processes. Furthermore, TGF-β1-positive cells and α-SMA-positive myofibroblasts were significantly increased in the scleroderma skin of BLM-treated mice but evidently reduced in the scleroderma skin of the EV-treated SSc group. In addition, the numbers of mast cells and infiltrating macrophages and lymphocytes were evidently increased in the skin of BLM-treated mice but significantly reduced by EV treatment. In line with these observations, there were significantly higher mRNA levels of the inflammatory cytokines Il6, Il10, and Tnf-α in SSc mice than in control mice, but the levels decreased following EV treatment. Through bioinformatics analysis, the TGFβ and WNT signaling pathways were revealed to be closely involved in the pathogenic changes seen in mouse SSc, and these pathways could be therapeutic targets for treating the disease. Conclusions BMSC-derived EVs could be developed as a potential therapy for treating skin dysfunction in SSc, especially considering that they show similar efficacy to BMSCs but have fewer developmental regulatory requirements than cell therapy. The effects of EVs are generated by the miRNAs they carry, which alleviate SSc pathogenic changes by regulating the WNT and TGFβ signaling pathways. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02400-y.
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Affiliation(s)
- Jiahui Jin
- Department of Dermatology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - Qingjian Ou
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Zhe Wang
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, 200120, China
| | - Haibin Tian
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Jing-Ying Xu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Furong Gao
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Shuqin Hu
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, 200120, China
| | - Jie Chen
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, 200120, China
| | - Juan Wang
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Jieping Zhang
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Lixia Lu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China.
| | - Caixia Jin
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China.
| | - Guo-Tong Xu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, and Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, 200072, China.
| | - Jingjun Zhao
- Department of Dermatology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China.
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Wang F, Kong L, Wang W, Shi L, Wang M, Chai Y, Xu J, Kang Q. Adrenomedullin 2 improves bone regeneration in type 1 diabetic rats by restoring imbalanced macrophage polarization and impaired osteogenesis. Stem Cell Res Ther 2021; 12:288. [PMID: 33985585 PMCID: PMC8117361 DOI: 10.1186/s13287-021-02368-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 05/03/2021] [Indexed: 12/13/2022] Open
Abstract
Background Both advanced glycation end products (AGEs) and AGE-mediated M1 macrophage polarization contribute to bone marrow mesenchymal stem cell (BMSC) dysfunction, leading to impaired bone regeneration in type 1 diabetes mellitus (T1DM). Adrenomedullin 2 (ADM2), an endogenous bioactive peptide belonging to the calcitonin gene-related peptide family, exhibits various biological activities associated with the inhibition of inflammation and reduction of insulin resistance. However, the effects and underlying mechanisms of ADM2 in AGE-induced macrophage M1 polarization, BMSC dysfunction, and impaired bone regeneration remain poorly understood. Methods The polarization of bone marrow-derived macrophages was verified using flow cytometry analysis. Alkaline phosphatase (ALP) staining, ALP activity detection, and alizarin red staining were performed to assess the osteogenesis of BMSCs. Quantitative real-time polymerase chain reaction, enzyme-linked immunosorbent assay, western blotting, and immunofluorescence staining were used to assess polarization markers, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling, and osteogenic markers. In vivo, a distraction osteogenesis (DO) rat model with T1DM was established, and tibia samples were collected at different time points for radiological, biomechanical, and histological analyses, to verify the effects of ADM2 on bone regeneration and M2 polarization under diabetic conditions. Results ADM2 treatment reversed AGE-induced M1 macrophage polarization towards the M2 phenotype, which was partially achieved by the peroxisome proliferator-activated receptor γ (PPARγ)-mediated inhibition of NF-κB signaling. The PPARγ inhibitor GW9662 significantly attenuated the effects of ADM2. Besides, ADM2 treatment improved the AGE-impaired osteogenic potential of BMSCs in vitro. Furthermore, ADM2 accelerated bone regeneration, as revealed by improved radiological and histological manifestations and biomechanical parameters, accompanied by improved M2 macrophage polarization in diabetic DO rats, and these effects were partially blocked by GW9662 administration. Conclusions These results indicate that ADM2 enhances diabetic bone regeneration during DO, by attenuating AGE-induced imbalances in macrophage polarization, partly through PPARγ/NF-κB signaling, and improving AGE-impaired osteogenic differentiation of BMSCs simultaneously. These findings reveal that ADM2 may serve as a potential bioactive factor for promoting bone regeneration under diabetic conditions, and imply that management of inflammation and osteogenesis, in parallel, may present a promising therapeutic strategy for diabetic patients during DO treatment. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02368-9.
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Affiliation(s)
- Feng Wang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Lingchi Kong
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Wenbo Wang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Li Shi
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Mengwei Wang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Yimin Chai
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Jia Xu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China.
| | - Qinglin Kang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China.
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Gong F, Gao L, Ma L, Li G, Yang J. Uncarboxylated osteocalcin alleviates the inhibitory effect of high glucose on osteogenic differentiation of mouse bone marrow-derived mesenchymal stem cells by regulating TP63. BMC Mol Cell Biol 2021; 22:24. [PMID: 33906607 PMCID: PMC8080387 DOI: 10.1186/s12860-021-00365-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/12/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Progressive population aging has contributed to the increased global prevalence of diabetes and osteoporosis. Inhibition of osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) by hyperglycemia is a potential pathogenetic mechanism of osteoporosis in diabetic patients. Uncarboxylated osteocalcin (GluOC), a protein secreted by mature osteoblasts, regulates bone development as well as glucose and lipid metabolism. In our previous studies, GluOC was shown to promote osteoblastic differentiation of BMSCs; however, the underlying mechanisms are not well characterized. Tumor protein 63 (TP63), as a transcription factor, is closely related to bone development and glucose metabolism. RESULTS In this study, we verified that high glucose suppressed osteogenesis and upregulated adipogenesis in BMSCs, while GluOC alleviated this phenomenon. In addition, high glucose enhanced TP63 expression while GluOC diminished it. Knock-down of TP63 by siRNA transfection restored the inhibitory effect of high glucose on osteogenic differentiation. Furthermore, we detected the downstream signaling pathway PTEN/Akt/GSK3β. We found that diminishing TP63 decreased PTEN expression and promoted the phosphorylation of Akt and GSK3β. We then applied the activator and inhibitor of Akt, and concluded that PTEN/Akt/GSK3β participated in regulating the differentiation of BMSCs. CONCLUSIONS Our results indicate that GluOC reduces the inhibitory effect of high glucose on osteoblast differentiation by regulating the TP63/PTEN/Akt/GSK3β pathway. TP63 is a potential novel target for the prevention and treatment of diabetic osteoporosis.
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Affiliation(s)
- Fangzi Gong
- Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Le Gao
- Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Luyao Ma
- Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Guangxin Li
- College of sports medicine and physical therapy, Beijing Sport University, Beijing, China
| | - Jianhong Yang
- Medical School, University of Chinese Academy of Sciences, Beijing, China.
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Chen X, Wang S, Cui Z, Gu Y. Bone marrow mesenchymal stem cell-derived extracellular vesicles containing miR-497-5p inhibit RSPO2 and accelerate OPLL. Life Sci 2021; 279:119481. [PMID: 33857573 DOI: 10.1016/j.lfs.2021.119481] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 04/02/2021] [Accepted: 04/09/2021] [Indexed: 12/17/2022]
Abstract
AIMS Muscle and adipose tissue-derived mesenchymal stem cells presented high osteogenic potentials, which modulate osteoblast function through releasing extracellular vesicles (EVs) containing miRNAs. Herein, this study evaluated the function of bone marrow mesenchymal stem cell-derived extracellular vesicles (BMSC-EVs) delivering miR-497-5p in ossification of the posterior longitudinal ligament (OPLL). MAIN METHODS The expression level of miR-497-5p was validated in ossified posterior longitudinal ligament (PLL) tissues and BMSC-EVs. The uptake of BMSC-EVs by ligament fibroblasts was observed by immunofluorescence. miR-497-5p was overexpressed or downregulated to assess its role in osteogenic differentiation of ligament fibroblasts. Further, an OPLL rat model was established to substantiate the effect of BMSC-EVs enriched with miR-497-5p on OPLL. KEY FINDINGS Ossified PLL tissues presented with high miR-497-5p expression. PLL fibroblasts were identified to endocytose BMSC-EVs. BMSC-EVs could upregulate miR-497-5p and shuttle it to ligament fibroblasts to accelerate the osteogenic differentiation. miR-497-5p targeted and inversely regulated RSPO2. Then, RSPO2 overexpression activated Wnt/β-catenin pathway and repressed the osteogenic differentiation of ligament fibroblasts. In vivo experiments further showed that miR-497-5p-containing BMSC-EVs enhanced OPLL through diminishing RSPO2 and inactivating Wnt/β-catenin pathway. SIGNIFICANCE BMSC-EVs could deliver miR-497-5p to ligament fibroblasts and modulate RSPO2-mediated Wnt/β-catenin pathway, thereby accelerating OPLL.
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Affiliation(s)
- Xiaohui Chen
- Department of Orthopaedics, First Affiliated Hospital of Xiamen University, Xiamen 361003, PR China
| | - Shengxing Wang
- Department of Orthopaedics, Zhongshan Hospital of Fudan University, Shanghai 200032, PR China
| | - Zhan Cui
- Zhenjiang Hospital of Traditional Chinese and Western Medicine, Zhenjiang 212005, PR China
| | - Yutong Gu
- Department of Orthopaedics, Zhongshan Hospital of Fudan University, Shanghai 200032, PR China.
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Wu J, Xie S, Li H, Zhang Y, Yue J, Yan C, Liu K, Liu Y, Xu R, Zheng G. Antitumor effect of IL-12 gene-modified bone marrow mesenchymal stem cells combined with Fuzheng Yiliu decoction in an in vivo glioma nude mouse model. J Transl Med 2021; 19:143. [PMID: 33827606 PMCID: PMC8028710 DOI: 10.1186/s12967-021-02809-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 03/26/2021] [Indexed: 12/24/2022] Open
Abstract
Background Glioma is a complex cancer with a high morbidity and high mortality. Bone marrow mesenchymal stem cells (BMSCs) have shown promise as an excellent cell/drug delivery vehicle for gene-targeted therapy; however, maintaining genetic stability and biological activity remains difficult. Furthermore, whether BMSCs support or inhibit tumor growth remains debated. This study investigated whether a traditional Chinese medicine fomular, Fuzheng Yiliu decoction (FYD) had a synergistic antitumor effect with IL-12 gene-modified BMSCs in glioma-bearing nude mice Methods The lentivirus-mediated IL-12 gene was transfected into primarily cultured BMSCs. A total of 72 BALB/c nude mice were used to establish xenograft models with glioma U251 cells and were divided into groups (n = 12) including blank control group, nude mouse model group (model group), lentiviral transfection of BMSC group with no gene loading (BMSC group), IL-12 lentivirus-transfected BMSC group (IL-12 + BMSC group), FYD treatment group (FYD group), and FYD treatment in IL-12 lentivirus-transfected BMSC group (FYD + IL-12 + BMSC group).. After treatment for 14 days, all mice were sacrificed to collect tumor tissue and serum for more detection, such as distribution of BMSCs, cell apoptosis in xenograft tumors, serum IL-12 and INF-γ levels, mouse weight and tumor volume were measured Results There were significantly more apoptotic cells in tumor tissue in IL-12 gene transfected group, FYD treatment group and FYD combining with IL-12 gene transfected group than that in the model group (P < 0.05). The FYD + IL-12 + BMSC group showed significantly higher Bax and lower Bcl-2 expression (P < 0.05), and serum IL-12 and INF-γ levels (P < 0.05) were higher than that in all other groups. After the intervention, this group also showed a strong inhibitory effect against tumor growth (P < 0.05) Conclusions This study suggested FYD treatment combined with IL-12 gene-modified BMSCs shows synergistic antitumor effect in glioma-bearing nude mice.
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Affiliation(s)
- Jianjun Wu
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China.,Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China.,Provincial Key Laboratory of Chinese Medicine Prevention and Control of Chronic Diseases, Lanzhou, 730000, Gansu, China
| | - Shoupin Xie
- Department of Neurology, The First People's Hospital of Lanzhou City, Lanzhou, 730050, China
| | - Hailong Li
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China.,Provincial Key Laboratory of Chinese Medicine Prevention and Control of Chronic Diseases, Lanzhou, 730000, Gansu, China
| | - Yanxia Zhang
- Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China.,Provincial Key Laboratory of Chinese Medicine Prevention and Control of Chronic Diseases, Lanzhou, 730000, Gansu, China
| | - Jia Yue
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China.,Provincial Key Laboratory of Chinese Medicine Prevention and Control of Chronic Diseases, Lanzhou, 730000, Gansu, China
| | - Chunlu Yan
- Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China.,School of Integrated Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Kai Liu
- Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China.,School of Integrated Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Yongqi Liu
- Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China.,School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Rui Xu
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China.,Key Laboratory of Dunhuang Medicine and Transformation at Provincial and Ministerial Level, Lanzhou, 730000, Gansu, China
| | - Guisen Zheng
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China. .,Provincial Key Laboratory of Chinese Medicine Prevention and Control of Chronic Diseases, Lanzhou, 730000, Gansu, China.
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Wang L, Luo D, Wu J, Xie K, Guo Y, Gan Y, Wu W, Hao Y. A clinical study on bone defect reconstruction and functional recovery in benign bone tumors of the lower extremity, treated by bone marrow mesenchymal stem cell rapid screening-enrichment-composite system. World J Surg Oncol 2021; 19:98. [PMID: 33820559 PMCID: PMC8022380 DOI: 10.1186/s12957-021-02198-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/17/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND With the development of medical technology, credible options for defect reconstructions after the resection of benign bone tumors of the lower extremities have become a high priority. As the current reconstructive methods commonly used in clinical practice have some flaws, new methods of reconstruction need to be explored. We aimed to prepare a new kind of bioactive scaffold for the repair of bone defects through a stem cell rapid screening-enrichment-composite technology system developed by our team. Furthermore, we aimed to investigate the curative effects of these bioactive scaffolds. METHODS Firstly, cell count, trypan blue exclusion rate, and ALP staining were used to evaluate changes in enrichment efficiency, cell activity, and osteogenic ability before and after enrichment. Then, the scaffolds were placed under the skin of nude mice to verify their osteogenic effects in vivo. Finally, the scaffolds were used for the reconstruction of bone defects after operations for benign bone tumors in a patient's lower limb. The healing status of the defect site at 1 and 3 months was assessed by X-ray, and the Musculoskeletal Tumor Society (MSTS) score was applied to reflect the recovery of patient limb function. RESULTS The system effectively enriched stem cells without affecting the activity and osteogenic abilities of the bone marrow mesenchymal stem cells (BMSCs). Meanwhile, the bioactive scaffolds obtained better osteogenic effects. In patients, the active scaffolds showed better bone integration and healing status, and the patients also obtained higher MSTS scores at 1 and 3 months after surgery. CONCLUSION As a new technique, the rapid screening-enrichment-composite technology of stem cells demonstrates a better therapeutic effect in the reconstruction of bone defects after surgery for benign bone tumors of the lower extremities, which will further improve patient prognosis.
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Affiliation(s)
- Lei Wang
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Dinghao Luo
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Junxiang Wu
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Kai Xie
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Yu Guo
- Department of Bone Oncology, Peking University People's Hospital, Peking University School of Medicine, 11 Xizhimen South Street, Beijing, 100044, People's Republic of China
| | - Yaokai Gan
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Wen Wu
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China.
| | - Yongqiang Hao
- Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China.
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Huang C, Liu Y, Ding J, Dai Y, Le L, Wang L, Ding E, Yang J. Thermosensitive quaternized chitosan hydrogel scaffolds promote neural differentiation in bone marrow mesenchymal stem cells and functional recovery in a rat spinal cord injury model. Cell Tissue Res 2021; 385:65-85. [PMID: 33760948 DOI: 10.1007/s00441-021-03430-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 01/26/2021] [Indexed: 12/24/2022]
Abstract
A thermosensitive quaternary ammonium chloride chitosan/β-glycerophosphate (HACC/β-GP) hydrogel scaffold combined with bone marrow mesenchymal stem cells (BMSCs) transfected with an adenovirus containing the glial cell-derived neurotrophic factor (GDNF) gene (Ad-rGDNF) was applied to spinal cord injury (SCI) repair. The BMSCs from rats were transfected with Ad-rGDNF, resulting in the expression of GDNF mRNA in the BMSCs increasing and their spontaneous differentiation into neural-like cells expressing neural markers such as NF-200 and GFAP. After incubation with HACC/β-GP hydrogel scaffolds for 2 weeks, neuronal differentiation of the BMSCs was confirmed using immunofluorescence (IF), and the expression of GDNF by the BMSCs was detected by Western blot at different time points. MTT assay and scanning electron microscopy confirmed that the HACC scaffold provides a non-cytotoxic microenvironment that supports cell adhesion and growth. Rats with SCI were treated with BMSCs, BMSCs carried by the HACC/β-GP hydrogel (HACC/BMSCs), Ad-rGDNF-BMSCs, or Ad-rGDNF-BMSCs carried by the hydrogel (HACC/GDNF-BMSCs). Animals were sacrificed at 2, 4, and 6 weeks of treatment. IF staining and Western blot were performed to detect the expression of NeuN, NF-200, GFAP, CS56, and Bax in the lesion sites of the injured spinal cord. Upon treatment with HACC/BMSCs, NF200 and GFAP were upregulated but CS56 and Bax were downregulated in the SCI lesion site. Furthermore, transplantation of HACC/GDNF-BMSCs into an SCI rat model significantly improved BBB scores and regeneration of the spinal cord. Thus, HACC/β-GP hydrogel scaffolds show promise for functional recovery in spinal cord injury patients.
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Zhang Q, Cheng X, Zhang H, Zhang T, Wang Z, Zhang W, Yu W. Dissecting molecular mechanisms underlying H 2O 2-induced apoptosis of mouse bone marrow mesenchymal stem cell: role of Mst1 inhibition. Stem Cell Res Ther 2020; 11:526. [PMID: 33298178 PMCID: PMC7724846 DOI: 10.1186/s13287-020-02041-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 11/19/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Bone marrow mesenchymal stem cell (BM-MSC) has been shown to treat pulmonary arterial hypertension (PAH). However, excessive reactive oxygen species (ROS) increases the apoptosis of BM-MSCs, leading to poor survival and engraft efficiency. Thus, improving the ability of BM-MSCs to scavenge ROS may considerably enhance the effectiveness of transplantation therapy. Mammalian Ste20-like kinase 1 (Mst1) is a pro-apoptotic molecule which increases ROS production. The aim of this study is to uncover the underlying mechanisms the effect of Mst1 inhibition on the tolerance of BM-MSCs under H2O2 condition. METHODS Mst1 expression in BM-MSCs was inhibited via transfection with adenoviruses expressing a short hairpin (sh) RNA directed against Mst1 (Ad-sh-Mst1) and exposure to H2O2. Cell viability was detected by Cell Counting Kit 8 (CCK-8) assay, and cell apoptosis was analyzed by Annexin V-FITC/PI, Caspase 3 Activity Assay kits, and pro caspase 3 expression. ROS level was evaluated by the ROS probe DCFH-DA, mitochondrial membrane potential (ΔΨm) assay, SOD1/2, CAT, and GPx expression. Autophagy was assessed using transmission electron microscopy, stubRFP-sensGFP-LC3 lentivirus, and autophagy-related protein expression. The autophagy/Keap1/Nrf2 signal in H2O2-treated BM-MSC/sh-Mst1 was also measured. RESULTS Mst1 inhibition reduced ROS production; increased antioxidant enzyme SOD1/2, CAT, and GPx expression; maintained ΔΨm; and alleviated cell apoptosis in H2O2-treated BM-MSCs. In addition, this phenomenon was closely correlated with the autophagy/Keap1/Nrf2 signal pathway. Moreover, the antioxidant pathway Keap1/Nrf2 was also blocked when autophagy was inhibited by the autophagy inhibitor 3-MA. However, Keap1 or Nrf2 knockout via siRNA had no effect on autophagy activation or suppression. CONCLUSION Mst1 inhibition mediated the cytoprotective action of mBM-MSCs against H2O2-induced oxidative stress injury. The underlying mechanisms involve autophagy activation and the Keap1/Nrf2 signal pathway.
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Affiliation(s)
- Qian Zhang
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China
| | - Xianfeng Cheng
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China.,Department of Cardiovascular Surgery, Weifang People's Hospital, Weifang, 261000, Shandong, China
| | - Haizhou Zhang
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China
| | - Tao Zhang
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China
| | - Zhengjun Wang
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China
| | - Wenlong Zhang
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China
| | - Wancheng Yu
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250062, Shandong, China.
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Mohamed-Ahmed S, Yassin MA, Rashad A, Espedal H, Idris SB, Finne-Wistrand A, Mustafa K, Vindenes H, Fristad I. Comparison of bone regenerative capacity of donor-matched human adipose-derived and bone marrow mesenchymal stem cells. Cell Tissue Res 2020; 383:1061-1075. [PMID: 33242173 PMCID: PMC7960590 DOI: 10.1007/s00441-020-03315-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 09/28/2020] [Indexed: 12/22/2022]
Abstract
Adipose-derived stem cells (ASC) have been used as an alternative to bone marrow mesenchymal stem cells (BMSC) for bone tissue engineering. However, the efficacy of ASC in bone regeneration in comparison with BMSC remains debatable, since inconsistent results have been reported. Comparing ASC with BMSC obtained from different individuals might contribute to this inconsistency in results. Therefore, this study aimed to compare the bone regenerative capacity of donor-matched human ASC and BMSC seeded onto poly(l-lactide-co-ε-caprolactone) scaffolds using calvarial bone defects in nude rats. First, donor-matched ASC and BMSC were seeded onto the co-polymer scaffolds to evaluate their in vitro osteogenic differentiation. Seeded scaffolds and scaffolds without cells (control) were then implanted in calvarial defects in nude rats. The expression of osteogenesis-related genes was examined after 4 weeks. Cellular activity was investigated after 4 and 12 weeks. Bone formation was evaluated radiographically and histologically after 4, 12, and 24 weeks. In vitro, ASC and BMSC demonstrated mineralization. However, BMSC showed higher alkaline phosphatase activity than ASC. In vivo, human osteogenesis–related genes Runx2 and collagen type I were expressed in defects with scaffold/cells. Defects with scaffold/BMSC had higher cellular activity than defects with scaffold/ASC. Moreover, bone formation in defects with scaffold/BMSC was greater than in defects with scaffold/ASC, especially at the early time-point. These results suggest that although ASC have the potential to regenerate bone, the rate of bone regeneration with ASC may be slower than with BMSC. Accordingly, BMSC are more suitable for bone regenerative applications.
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Affiliation(s)
- Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway.
| | - Mohammed A Yassin
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Ahmad Rashad
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Heidi Espedal
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Shaza B Idris
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Kamal Mustafa
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Hallvard Vindenes
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway.,Department for Plastic, Hand and Reconstructive Surgery, National Fire Damage Center, Bergen, Norway
| | - Inge Fristad
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
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Li Y, Wang J, Ma Y, Du W, Feng H, Feng K, Li G, Wang S. MicroRNA-15b shuttled by bone marrow mesenchymal stem cell-derived extracellular vesicles binds to WWP1 and promotes osteogenic differentiation. Arthritis Res Ther 2020; 22:269. [PMID: 33198785 PMCID: PMC7667798 DOI: 10.1186/s13075-020-02316-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 09/11/2020] [Indexed: 01/08/2023] Open
Abstract
Background Osteogenic differentiation is an essential process for bone regeneration involving bone marrow mesenchymal stem cells (BMSCs). BMSC-secreted extracellular vesicles (EVs) enriched with microRNAs (miRs) have vital roles to play in mediating osteogenic differentiation. Therefore, this study aimed to explore the effect of BMSC-derived EVs loaded with miR-15b on osteogenic differentiation. Methods Human BMSCs (hBMSCs) were cultured and treated with plasmids overexpressing or knocking down KLF2, WWP1, and miR-15b to define the role of derived EVs in osteogenic differentiation in vitro. The expression of osteogenic differentiation-related marker was measured by Western blot analysis. The interaction among miR-15b, WWP1, and ubiquitination of KLF2 was investigated by dual-luciferase reporter, immunoprecipitation, and GST pull-down assays. Moreover, EVs from hBMSCs transfected with miR-15b inhibitor (EV-miR-15b inhibitor) were injected into ovariectomized rats to verify the effect of miR-15b on bone loss in vivo. Results WWP1 was downregulated, and KLF2 was upregulated during osteogenic differentiation. After co-culture with EVs, miR-15b expression was elevated and WWP1 expression was reduced in hBMSCs. Upregulation of miR-15b or KLF2 or downregulation of WWP1 or NF-κB increased ALP activity and cell mineralization, as well as osteogenic differentiation-related marker expression in hBMSCs. Mechanistically, miR-15b targeted and inhibited WWP1, thus attenuating KLF2 degradation and inhibiting NF-κB activity. Co-culture of EVs increased the bone volume and trabecular number, but decreased bone loss in ovariectomized rats, which could be reversed after treatment with EV-miR-15b inhibitor. Conclusion Collectively, BMSC-derived EVs loaded with miR-15b promoted osteogenic differentiation by impairing WWP1-mediated KLF2 ubiquitination and inactivating the NF-κB signaling pathway. Graphical abstract ![]()
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Affiliation(s)
- Yanhong Li
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Jing Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Yanchao Ma
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Wenjia Du
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Haijun Feng
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Kai Feng
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Guangjie Li
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China
| | - Shuanke Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, 730030, Gansu Province, People's Republic of China.
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Gong M, Sun J, Liu G, Li L, Wu S, Xiang Z. Graphene oxide-modified 3D acellular cartilage extracellular matrix scaffold for cartilage regeneration. Mater Sci Eng C Mater Biol Appl 2021; 119:111603. [PMID: 33321647 DOI: 10.1016/j.msec.2020.111603] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/18/2020] [Accepted: 10/03/2020] [Indexed: 02/08/2023]
Abstract
Articular cartilage regeneration is a challenge in orthopedics and tissue engineering. This study prepared a graphene oxide (GO)-modified 3D acellular cartilage extracellular matrix (ACM) scaffold for cartilage repair. Cartilage slices were decellularized using a combination of physical and chemical methods of fabricating ACM particles. GO was crosslinked with the ACM by 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxy succinimide to prepare a composite scaffold. GO modification improved the internal structure and mechanical properties of the scaffold. The GO-modified (2 mg/mL) composite scaffold promoted cell adhesion, cell proliferation, and chondrogenic differentiation in vitro. Experiments on subcutaneous implantation in rats demonstrated that the composite scaffold had good biocompatibility and mild inflammatory response. After 12 weeks of implantation, the composite scaffold loaded with bone marrow mesenchymal stem cells completely bridged the cartilage defects in the rabbit knee with hyaline cartilage. Results indicated that the GO-modified 3D ACM composite scaffold can provide a powerful platform for cartilage tissue engineering and articular cartilage injury treatment.
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Zheng Z, Zhao Q, Wei J, Wang B, Wang H, Meng L, Xin Y, Jiang X. Medical prevention and treatment of radiation-induced carotid injury. Biomed Pharmacother 2020; 131:110664. [PMID: 32861067 DOI: 10.1016/j.biopha.2020.110664] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/06/2020] [Accepted: 08/20/2020] [Indexed: 11/30/2022] Open
Abstract
Radiotherapy has significantly improved the survival of cancer patients but is also associated with several adversities, including radiation-induced carotid injury (RICI). The RICI mechanisms are complex, including vessel inflammatory injury, carotid atherosclerosis, intimal proliferation, media necrosis, and peri-adventitial fibrosis. The main manifestation and adverse consequence of RICI is carotid artery stenosis (CAS), which can lead to stroke and transient ischemic attack. Currently, carotid artery injury is primarily diagnosed via color-coded duplex sonography. Early detection of traumatic changes in the carotid artery depends on measurements of carotid intima-media thickness; serum biomarker testing also shows great potential. CAS is mainly treated with carotid endarterectomy or carotid angioplasty and stent implantation. Notably, bone marrow mesenchymal stem cells are advantageous in RICI treatment and reduce carotid inflammation, oxidative stress, and delaying atherosclerosis. This review summarizes the mechanisms, examination methods, and latest treatments for RICI to provide data for its clinical prevention and treatment.
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Affiliation(s)
- Zhuangzhuang Zheng
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Qin Zhao
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Jinlong Wei
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Bin Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Huanhuan Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL, 33612, USA.
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, China.
| | - Xin Jiang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
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Liu L, Li X, Shi Y, Chen H. The long noncoding RNA FTX promotes a malignant phenotype in bone marrow mesenchymal stem cells via the miR-186/c-Met axis. Biomed Pharmacother 2020; 131:110666. [PMID: 32853911 DOI: 10.1016/j.biopha.2020.110666] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/30/2020] [Accepted: 08/20/2020] [Indexed: 12/18/2022] Open
Abstract
Gliomas are the most common and aggressive primary tumours of the central nervous system in adults. Bone marrow-derived mesenchymal stem cells (BMSCs) are an important component of the glioma microenvironment. Our previous study indicated that BMSCs in the glioma microenvironment could be induced to malignantly transform by glioma stem cells (GSCs). The malignant transformation of BMSCs is closely related to glioma progression; however, the underlying mechanism of this transformation has not been fully clarified. In this study, we found that compared with the levels in normal BMSCs, the levels of the long noncoding RNA FTX transcript XIST regulator (lncRNA-FTX) were increased in malignantly transformed BMSCs (tBMSCs), which was associated with the proliferation, migration and invasion of tBMSCs. Next, by using a luciferase reporter assay and an RNA pull-down assay, we found that lncRNA-FTX acted as a sponge for miR-186 in tBMSCs. Further research revealed that miR-186 could bind to the 3'-UTR (untranslated region) of c-Met, which acts as an oncogene in gliomas. Through functional assays, we showed that lncRNA-FTX could regulate c-Met expression in tBMSCs in a miR-186-dependent manner. Based on these data, we concluded that lncRNA-FTX plays a key role in the GSC-mediated malignant transformation of BMSCs in the glioma microenvironment, which is of great significance for further understanding the pathogenesis of glioma.
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Affiliation(s)
- Liang Liu
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xiaojian Li
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Yan Shi
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Hua Chen
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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Yang F, Li WB, Qu YW, Gao JX, Tang YS, Wang DJ, Pan YJ. Bone marrow mesenchymal stem cells induce M2 microglia polarization through PDGF-AA/MANF signaling. World J Stem Cells 2020; 12:633-658. [PMID: 32843919 PMCID: PMC7415242 DOI: 10.4252/wjsc.v12.i7.633] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 04/04/2020] [Accepted: 05/17/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Bone marrow mesenchymal stem cells (BMSCs) are capable of shifting the microglia/macrophages phenotype from M1 to M2, contributing to BMSCs-induced brain repair. However, the regulatory mechanism of BMSCs on microglia/macrophages after ischemic stroke is unclear. Recent evidence suggests that mesencephalic astrocyte–derived neurotrophic factor (MANF) and platelet-derived growth factor-AA (PDGF-AA)/MANF signaling regulate M1/M2 macrophage polarization.
AIM To investigate whether and how MANF or PDGF-AA/MANF signaling influences BMSCs-mediated M2 polarization.
METHODS We identified the secretion of MANF by BMSCs and developed transgenic BMSCs using a targeting small interfering RNA for knockdown of MANF expression. Using a rat middle cerebral artery occlusion (MCAO) model transplanted by BMSCs and BMSCs–microglia Transwell coculture system, the effect of BMSCs-induced downregulation of MANF expression on the phenotype of microglia/macrophages was tested by Western blot, quantitative reverse transcription-polymerase chain reaction, and immunofluorescence. Additionally, microglia were transfected with mimics of miR-30a*, which influenced expression of X-box binding protein (XBP) 1, a key transcription factor that synergized with activating transcription factor 6 (ATF6) to govern MANF expression. We examined the levels of miR-30a*, ATF6, XBP1, and MANF after PDGF-AA treatment in the activated microglia.
RESULTS Inhibition of MANF attenuated BMSCs-induced functional recovery and decreased M2 marker production, but increased M1 marker expression in vivo or in vitro. Furthermore, PDGF-AA treatment decreased miR-30a* expression, had no influence on the levels of ATF6, but enhanced expression of both XBP1 and MANF.
CONCLUSION BMSCs-mediated MANF paracrine signaling, in particular the PDGF-AA/miR-30a*/XBP1/MANF pathway, synergistically mediates BMSCs-induced M2 polarization.
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Affiliation(s)
- Fan Yang
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Wen-Bin Li
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Ye-Wei Qu
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Jin-Xing Gao
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Yu-Shi Tang
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Dong-Jie Wang
- Department of Respiratory Medicine, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
| | - Yu-Jun Pan
- Department of Neurology, The First Clinical College of Harbin Medical University, Harbin 150001, Heilongjiang Province, China
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Chen C, Song C, Zhang D, Yin D, Zhang R, Chen J, Dou K. Effect of resveratrol combined with atorvastatin on re-endothelialization after drug-eluting stents implantation and the underlying mechanism. Life Sci 2020; 245:117349. [PMID: 31981632 DOI: 10.1016/j.lfs.2020.117349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 11/20/2022]
Abstract
AIMS To explore whether the combination of atorvastatins and resveratrol is superior to each individual drug alone regarding re-endothelialization after drug-eluting stents (DESs) implantation. MATERIALS AND METHODS Ninety-four rabbits were randomized into control, atorvastatin, resveratrol, and combined medication groups. Abdominal aorta injury was induced via ballooning, followed by DES implantation. Neointimal formation and re-endothelialization after stent implantation were assessed via optical coherence tomography and scanning electron microscopy. The effects of resveratrol and atorvastatin on bone marrow-derived mesenchymal derived stem cells (BMSCs) were assessed. KEY FINDINGS Compared with the findings in the resveratrol and atorvastatin groups, the neointimal area and mean neointimal thickness were greater in the combined medication group, which also exhibited improved re-endothelialization. Compared with the effects of monotherapy, combined treatment further protected BMSCs against rapamycin-induced apoptosis and improved cell migration. Combined medication significantly upregulated Akt, p-Akt, eNOS, p-eNOS, and CXCR4 expression in BMSCs compared with the effects of monotherapy, and these effects were abolished by the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002. SIGNIFICANCE The combination of atorvastatin and resveratrol has the potential of accelerating re-endothelialization after stent implantation, reducing the risk of thrombosis and improving the safety of DESs.
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