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Lu Y, Liu R, Kang X, Zhang S, Sun Y, Fan W, Cheng H, Liu Y, Lin J. Menstrual Blood-Derived Endometrial Stem Cell Transplantation Improves Male Reproductive Dysfunction in T1D Mice by Enhancing Antioxidative Capacity. Reprod Sci 2024; 31:1719-1731. [PMID: 38396297 DOI: 10.1007/s43032-024-01498-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/09/2024] [Indexed: 02/25/2024]
Abstract
Diabetes is known to negatively affect male reproduction. Recent clinical results have confirmed that mesenchymal stem cell (MSC)-based therapies are safe and effective for the treatment of diabetes. However, the effect and potential mechanism through which MSC transplantation improves diabetes-derived male reproductive dysfunction are still unknown. In the present study, we first established a male T1D mouse model through intraperitoneal injection of streptozotocin for five consecutive days. Subsequently, we evaluated the blood glucose levels, fertility, and histology and immunology of the pancreas, testes, and penis of T1D mice with or without transplantation of menstrual blood-derived endometrial stem cells (MenSCs) or umbilical cord mesenchymal stem cells (UCMSCs). Glucose was added to the medium in which the Leydig cells were cultured to imitate high glucose-injured cell viability. Subsequently, we evaluated the cellular viability, ROS levels, and mitochondrial membrane potential of Leydig cells treated with or without MenSC-conditioned medium (MenSC-CM) using a CCK8 assay, immunofluorescence, and flow cytometry. The targeted proteins are involved in the potential mechanism underlying MenSC-derived improvements, which was further validated via Western blotting. Collectively, our results indicated that MenSC transplantation significantly ameliorated reproductive dysfunction in male T1D mice by enhancing cellular antioxidative capacity and promoting angiogenesis. This study provides solid evidence and support for the application of MSCs to improve diabetes-induced male reproductive dysfunction.
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Affiliation(s)
- Yilin Lu
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
| | - Ruihong Liu
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
| | - Xingpeng Kang
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
| | - Shenghui Zhang
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
| | - Yuliang Sun
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
| | - Wenqiang Fan
- Department of Rheumatology, Xinxiang Central Hospital, Xinxiang, 453000, China
| | - Hongbin Cheng
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
- The Third Medical Center of Chinese, PLA General Hospital, Beijing, 100039, China
| | - Yanli Liu
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China.
| | - Juntang Lin
- Stem Cell and Biotherapy Technology Research Center, School of Life Science and Technology, East of Jinsui Road, Xinxiang Medical University, No 601, Xinxiang City, 453003, Henan Province, China
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
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Long Q, Zhang P, Ou Y, Li W, Yan Q, Yuan X. Single-cell sequencing advances in research on mesenchymal stem/stromal cells. Hum Cell 2024:10.1007/s13577-024-01076-9. [PMID: 38743204 DOI: 10.1007/s13577-024-01076-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/04/2024] [Indexed: 05/16/2024]
Abstract
Mesenchymal stem/stromal cells (MSCs), originating from the mesoderm, represent a multifunctional stem cell population capable of differentiating into diverse cell types and exhibiting a wide range of biological functions. Despite more than half a century of research, MSCs continue to be among the most extensively studied cell types in clinical research projects globally. However, their significant heterogeneity and phenotypic instability have significantly hindered their exploration and application. Single-cell sequencing technology emerges as a powerful tool to address these challenges, offering precise dissection of complex cellular samples. It uncovers the genetic structure and gene expression status of individual contained cells on a massive scale and reveals the heterogeneity among these cells. It links the molecular characteristics of MSCs with their clinical applications, contributing to the advancement of regenerative medicine. With the development and cost reduction of single-cell analysis techniques, sequencing technology is now widely applied in fundamental research and clinical trials. This study aimed to review the application of single-cell sequencing in MSC research and assess its prospects.
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Affiliation(s)
- Qingxi Long
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China
| | - Pingshu Zhang
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China
- Hebei Provincial Key Laboratory of Neurobiological Function, Tangshan, 063000, China
| | - Ya Ou
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China
- Hebei Provincial Key Laboratory of Neurobiological Function, Tangshan, 063000, China
| | - Wen Li
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China
| | - Qi Yan
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China
| | - Xiaodong Yuan
- Department of Neurology, Kailuan General Hospital, Affiliated North China University of Science and Technology, Tangshan, 063000, China.
- Hebei Provincial Key Laboratory of Neurobiological Function, Tangshan, 063000, China.
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Hou XY, Danzeng LM, Wu YL, Ma QH, Yu Z, Li MY, Li LS. Mesenchymal stem cells and their derived exosomes for the treatment of COVID-19. World J Stem Cells 2024; 16:353-374. [PMID: 38690515 PMCID: PMC11056634 DOI: 10.4252/wjsc.v16.i4.353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/17/2024] [Accepted: 03/15/2024] [Indexed: 04/25/2024] Open
Abstract
Coronavirus disease 2019 (COVID-19) is an acute respiratory infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). SARS-CoV-2 infection typically presents with fever and respiratory symptoms, which can progress to severe respiratory distress syndrome and multiple organ failure. In severe cases, these complications may even lead to death. One of the causes of COVID-19 deaths is the cytokine storm caused by an overactive immune response. Therefore, suppressing the overactive immune response may be an effective strategy for treating COVID-19. Mesenchymal stem cells (MSCs) and their derived exosomes (MSCs-Exo) have potent homing abilities, immunomodulatory functions, regenerative repair, and antifibrotic effects, promising an effective tool in treating COVID-19. In this paper, we review the main mechanisms and potential roles of MSCs and MSCs-Exo in treating COVID-19. We also summarize relevant recent clinical trials, including the source of cells, the dosage and the efficacy, and the clinical value and problems in this field, providing more theoretical references for the clinical use of MSCs and MSCs-Exo in the treatment of COVID-19.
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Affiliation(s)
- Xiang-Yi Hou
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - La-Mu Danzeng
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Yi-Lin Wu
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Qian-Hui Ma
- Department of Pharmacy, Jilin University, Changchun 130021, Jilin Province, China
| | - Zheng Yu
- The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China
| | - Mei-Ying Li
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Li-Sha Li
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China.
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Li C, Sun Y, Xu W, Chang F, Wang Y, Ding J. Mesenchymal Stem Cells-Involved Strategies for Rheumatoid Arthritis Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2305116. [PMID: 38477559 DOI: 10.1002/advs.202305116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/13/2023] [Indexed: 03/14/2024]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic inflammation of the joints and bone destruction. Because of systemic administration and poor targeting, traditional anti-rheumatic drugs have unsatisfactory treatment efficacy and strong side effects, including myelosuppression, liver or kidney function damage, and malignant tumors. Consequently, mesenchymal stem cells (MSCs)-involved therapy is proposed for RA therapy as a benefit of their immunosuppressive and tissue-repairing effects. This review summarizes the progress of MSCs-involved RA therapy through suppressing inflammation and promoting tissue regeneration and predicts their potential clinical application.
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Affiliation(s)
- Chaoyang Li
- Department of Orthopedics, The Second Hospital of Jilin University, 4026 Yatai Street, Changchun, 130041, P. R. China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, P. R. China
| | - Yifu Sun
- Department of Orthopedics, The Second Hospital of Jilin University, 4026 Yatai Street, Changchun, 130041, P. R. China
| | - Weiguo Xu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, P. R. China
| | - Fei Chang
- Department of Orthopedics, The Second Hospital of Jilin University, 4026 Yatai Street, Changchun, 130041, P. R. China
| | - Yinan Wang
- Department of Biobank, Division of Clinical Research, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, P. R. China
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, P. R. China
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Singhal V, Chou N, Lee J, Yue Y, Liu J, Chock WK, Lin L, Chang YC, Teo EML, Aow J, Lee HK, Chen KH, Prabhakar S. BANKSY unifies cell typing and tissue domain segmentation for scalable spatial omics data analysis. Nat Genet 2024; 56:431-441. [PMID: 38413725 PMCID: PMC10937399 DOI: 10.1038/s41588-024-01664-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 01/16/2024] [Indexed: 02/29/2024]
Abstract
Spatial omics data are clustered to define both cell types and tissue domains. We present Building Aggregates with a Neighborhood Kernel and Spatial Yardstick (BANKSY), an algorithm that unifies these two spatial clustering problems by embedding cells in a product space of their own and the local neighborhood transcriptome, representing cell state and microenvironment, respectively. BANKSY's spatial feature augmentation strategy improved performance on both tasks when tested on diverse RNA (imaging, sequencing) and protein (imaging) datasets. BANKSY revealed unexpected niche-dependent cell states in the mouse brain and outperformed competing methods on domain segmentation and cell typing benchmarks. BANKSY can also be used for quality control of spatial transcriptomics data and for spatially aware batch effect correction. Importantly, it is substantially faster and more scalable than existing methods, enabling the processing of millions of cell datasets. In summary, BANKSY provides an accurate, biologically motivated, scalable and versatile framework for analyzing spatially resolved omics data.
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Affiliation(s)
- Vipul Singhal
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Nigel Chou
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Joseph Lee
- Faculty of Science, National University of Singapore, Singapore, Republic of Singapore
| | - Yifei Yue
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Republic of Singapore
| | - Jinyue Liu
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Wan Kee Chock
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Li Lin
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | | | | | - Jonathan Aow
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Hwee Kuan Lee
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
- School of Computing, National University of Singapore, Singapore, Republic of Singapore
- Singapore Eye Research Institute, Singapore, Republic of Singapore
- International Research Laboratory on Artificial Intelligence, Singapore, Republic of Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore, Republic of Singapore
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research, Singapore, Republic of Singapore
| | - Kok Hao Chen
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore.
| | - Shyam Prabhakar
- Spatial and Single Cell Systems Domain, Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore.
- Population and Global Health, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Republic of Singapore.
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Republic of Singapore.
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Intravenously Administered Human Umbilical Cord-Derived Mesenchymal Stem Cell (HucMSC) Improves Cardiac Performance following Infarction via Immune Modulation. Stem Cells Int 2023; 2023:6256115. [PMID: 36970596 PMCID: PMC10038737 DOI: 10.1155/2023/6256115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/19/2023] Open
Abstract
Overactive inflammatory responses contribute to progressive cardiac dysfunction after myocardial infarction (MI). Mesenchymal stem cell (MSC) has generated significant interest as potent immune modulators that can regulate excessive immune responses. We hypothesized that intravenous (iv) administration of human umbilical cord-derived MSC (HucMSC) exerts systemic and local anti-inflammation effects, leading to improved heart function after MI. In murine MI models, we confirmed that single iv administration of HucMSC (
) improved cardiac performance and prevented adverse remodeling after MI. A small proportion of HucMSC is trafficked to the heart, preferentially in the infarcted region. HucMSC administration increased CD3+ T cell proportion in the periphery while decreased T cell proportion in both infarcted heart and mediastinal lymph nodes (med-LN) at 7-day post-MI, indicating a systematic and local T cell interchange mediated by HucMSC. The inhibitory effects of HucMSC on T cell infiltration in the infarcted heart and med-LN sustained to 21-day post-MI. Our findings suggested that iv administration of HucMSC fostered systemic and local immunomodulatory effects that contributed to the improvement of cardiac performance after MI.
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Zhang L, Zhang X, Liu Y, Zhang W, Wu CT, Wang L. CD146+ Umbilical Cord Mesenchymal Stem Cells Exhibit High Immunomodulatory Activity and Therapeutic Efficacy in Septic Mice. J Inflamm Res 2023; 16:579-594. [PMID: 36818194 PMCID: PMC9930589 DOI: 10.2147/jir.s396088] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/18/2023] [Indexed: 02/12/2023] Open
Abstract
Background Several studies have shown that MSCs can significantly improve the survival of sepsis animals. CD146+ mesenchymal stem cells (MSCs) correlate with high therapeutic potency. However, their therapeutic effect on sepsis and detail mechanisms have not been explored. Methods The effect of CD146±MSCs on differentiation of Treg, Th1, Th17 subsets was evaluated by flow cytometry. The effects of CD146±MSCs on RAW264.7 phagocytosis and LPS-stimulated polarization were studied using a co-culture protocol. Luminex bead array and RNA sequencing were employed to determine the mechanisms of MSCs on LPS-stimulated RAW264.7. The Arg1 protein was detected by Western blot. CD146±MSCs were injected into LPS-induced sepsis mice by tail vein. The therapeutic effect was assessed by organ HE staining, T-cell subsets, cytokine in plasma, peritoneal macrophages, infiltrating monocytes subpopulations. Results In vitro, CD146+MSCs could significantly increase the proportion of Treg cells. Co-culture with CD146+MSCs increase the phagocytic rate of RAW264.7. CD146+MSCs regulate M2-type macrophages production more rapidly. The transcript profile differences between the CD146+MSCs and CD146-MSCs groups were clustered in arginine metabolism pathways. CD146+MSCs decreased NO production and increased ARG1 expression. CD146+MSCs secreted higher level of IL15,IFNγ, VEGF and lower level of IL1β, IL8 under LPS stimuli. In vivo, The level of IL10 at 24h and CXCL1, IFNγ at 12h in CD146+MSCs group was the highest. CD146+MSCs treatment enhances the phagocytic capacity of peritoneal macrophages. CD146+MSCs also increases the ratios of CD11b+Ly6Clo reparative monocytes and CD11b+Ly6Chi inflammatory monocytes until 24h. Conclusion Compared with CD146-MSCs, CD146+MSCs can accelerate the end of the inflammatory response and have robust anti-inflammatory effects, by increasing the Treg cells, promoting macrophage phagocytosis, enhancing the reparative macrophage, secreting more VEGF, etc.
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Affiliation(s)
- Lin Zhang
- Laboratory of Molecular Diagnosis and Regenerative Medicine, the Affiliate Hospital of Qingdao University, Qingdao, People’s Republic of China,Beijing Institute of Radiation Medicine, Beijing, People’s Republic of China
| | - Xiaoxu Zhang
- Laboratory of Molecular Diagnosis and Regenerative Medicine, the Affiliate Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Yubin Liu
- Beijing Institute of Radiation Medicine, Beijing, People’s Republic of China
| | - Weiyuan Zhang
- Laboratory of Molecular Diagnosis and Regenerative Medicine, the Affiliate Hospital of Qingdao University, Qingdao, People’s Republic of China
| | - Chu-Tse Wu
- Beijing Institute of Radiation Medicine, Beijing, People’s Republic of China
| | - Lisheng Wang
- Laboratory of Molecular Diagnosis and Regenerative Medicine, the Affiliate Hospital of Qingdao University, Qingdao, People’s Republic of China,Department of Rehabilitation Sciences, School of Nursing, Jilin University, Changchun, People’s Republic of China,Correspondence: Lisheng Wang, Laboratory of Molecular Diagnosis and Regenerative Medicine, the Affiliate Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China, Email
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Fischer KS, Litmanovich B, Sivaraj D, Kussie HC, Hahn WW, Hostler AC, Chen K, Gurtner GC. Protocol for the Splinted, Human-like Excisional Wound Model in Mice. Bio Protoc 2023; 13:e4606. [PMID: 36816987 PMCID: PMC9909311 DOI: 10.21769/bioprotoc.4606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/22/2022] [Accepted: 01/11/2023] [Indexed: 02/04/2023] Open
Abstract
While wound healing in humans occurs primarily through re-epithelization, in rodents it also occurs through contraction of the panniculus carnosus, an underlying muscle layer that humans do not possess. Murine experimental models are by far the most convenient and inexpensive research model to study wound healing, as they offer great variability in genetic alterations and disease models. To overcome the obstacle of contraction biasing wound healing kinetics, our group invented the splinted excisional wound model. While other rodent wound healing models have been used in the past, the splinted excisional wound model has persisted as the most used model in the field of wound healing. Here, we present a detailed protocol of updated and refined techniques necessary to utilize this model, generate results with high validity, and accurately analyze the collected data. This model is simple to conduct and provides an easy, standardizable, and replicable model of human-like wound healing.
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Affiliation(s)
- Katharina S. Fischer
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA
| | - Ben Litmanovich
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA
| | - Dharshan Sivaraj
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA,Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Hudson C. Kussie
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA
| | - William W. Hahn
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA
| | - Andrew C. Hostler
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA
| | - Kellen Chen
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA,*For correspondence: ;
| | - Geoffrey C. Gurtner
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, 85724, USA,*For correspondence: ;
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9
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Repeated intravenous administration of hiPSC-MSCs enhance the efficacy of cell-based therapy in tissue regeneration. Commun Biol 2022; 5:867. [PMID: 36008710 PMCID: PMC9411616 DOI: 10.1038/s42003-022-03833-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 08/11/2022] [Indexed: 01/02/2023] Open
Abstract
We seek to demonstrate whether therapeutic efficacy can be improved by combination of repeated intravenous administration and local transplantation of human induced pluripotential stem cell derived MSCs (hiPSC-MSCs). In this study, mice model of hind-limb ischemia is established by ligation of left femoral artery. hiPSC-MSCs (5 × 105) is intravenously administrated immediately after induction of hind limb ischemia with or without following intravenous administration of hiPSC-MSCs every week or every 3 days. Intramuscular transplantation of hiPSC-MSCs (3 × 106) is performed one week after induction of hind-limb ischemia. We compare the therapeutic efficacy and cell survival of intramuscular transplantation of hiPSC-MSCs with or without a single or repeated intravenous administration of hiPSC-MSCs. Repeated intravenous administration of hiPSC-MSCs can increase splenic regulatory T cells (Tregs) activation, decrease splenic natural killer (NK) cells expression, promote the polarization of M2 macrophages in the ischemic area and improved blood perfusion in the ischemic limbs. The improved therapeutic efficacy of MSC-based therapy is due to both increased engraftment of intramuscular transplanted hiPSC-MSCs and intravenous infused hiPSC-MSCs. In conclusion, our study support a combination of repeated systemic infusion and local transplantation of hiPSC-MSCs for cardiovascular disease. A combination of repeated systemic infusion and local transplantation of hiPSC-MSCs could enhance regenerative therapies for cardiovascular disease.
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Qiao Z, Lian M, Liu X, Zhang X, Han Y, Ni B, Xu R, Yu B, Xu Q, Dai K. Electreted Sandwich Membranes with Persistent Electrical Stimulation for Enhanced Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31655-31666. [PMID: 35797478 DOI: 10.1021/acsami.2c06665] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Physiologically relevant electrical microenvironments play an indispensable role in manipulating bone metabolism. Although implanted biomaterials that simulate the electrical properties of natural tissues using conductive or piezoelectric materials have been introduced in the field of bone regeneration, the application of electret materials to provide stable and persistent electrical stimulation has rarely been studied in biomaterial design. In this study, a silicon dioxide electret-incorporated poly(dimethylsiloxane) (SiO2/PDMS) composite electroactive membrane was designed and fabricated to explore its bone regeneration efficacy. SiO2 electrets were homogeneously dispersed in the PDMS matrix, and sandwich-like composite membranes were fabricated using a facile layer-by-layer blade-coating method. Following the encapsulation, electret polarization was conducted to obtain the electreted composite membranes. The surface potential of the composite membrane could be adjusted to a bone-promotive biopotential by tuning the electret concentration, and the prepared membranes exhibited favorable electrical stability during an observation period of up to 42 days. In vitro biological experiments indicated that the electreted SiO2/PDMS membrane promoted cellular activity and osteogenic differentiation of mesenchymal stem cells. In vivo, the electreted composite membrane remarkably facilitated bone regeneration through persistent endogenous electrical stimulation. These findings suggest that the electreted sandwich-like membranes, which maintain a stable and physiological electrical microenvironment, are promising candidates for enhancing bone regeneration.
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Affiliation(s)
- Zhiguang Qiao
- Department of Orthopaedic Surgery, Renji Hospital, South Campus, Shanghai Jiao Tong University School of Medicine, Shanghai 201112, China
- Clinical and Translational Research Center for 3D Printing Technology, Medical 3D Printing Innovation Research Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200125, China
| | - Meifei Lian
- Clinical and Translational Research Center for 3D Printing Technology, Medical 3D Printing Innovation Research Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200125, China
- Department of Prosthodontics, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Xingzhou Liu
- Department of Rehabilitation, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - Xing Zhang
- State Key Laboratory of Mechanical Systems and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yu Han
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Bing Ni
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Ruida Xu
- Department of Orthopaedic Surgery, Renji Hospital, South Campus, Shanghai Jiao Tong University School of Medicine, Shanghai 201112, China
| | - Bin Yu
- State Key Laboratory for Modification of Chemical Fibers & Polymer Materials, College of Materials Science & Engineering, Donghua University, Shanghai 201620, China
| | - Qingrong Xu
- Department of Orthopaedic Surgery, Renji Hospital, South Campus, Shanghai Jiao Tong University School of Medicine, Shanghai 201112, China
| | - Kerong Dai
- Clinical and Translational Research Center for 3D Printing Technology, Medical 3D Printing Innovation Research Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200125, China
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11
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Chan AML, Sampasivam Y, Lokanathan Y. Biodistribution of mesenchymal stem cells (MSCs) in animal models and implied role of exosomes following systemic delivery of MSCs: a systematic review. Am J Transl Res 2022; 14:2147-2161. [PMID: 35559383 PMCID: PMC9091132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/17/2022] [Indexed: 06/15/2023]
Abstract
Mesenchymal stem cells (MSC) are promising candidates to combat the growing rates of chronic degenerative diseases. These cells provide regeneration and/or differentiation into other cell types, and secrete various trophic factors that participate in migration, proliferation, and immunomodulation. However, the novelty of MSC research has noticeably declined as common barriers and unresolved challenges prevent further progress. A common issue is the low survivability and migration of systemically infused MSC towards targeted regions. Nevertheless, successful clinical treatment of various chronic diseases suggests that the MSCs may have an alternative mechanism. Recent advancements have shown labelling and imaging techniques to be a reliable source of data. These data not only illustrate the biodistribution but can be referenced to either support and/or improve the specificities of the cellular therapy construct. In this review, we compile recent studies between 2017 and 2021 to determine the homing and migration of MSCs by specific and peripherally-targeted organs. We also compare the different cell-tracking assays with the safety and efficacy of their therapeutic construct. We found that the common route of MSCs occurred in the lungs, liver, kidney and spleen. Furthermore, MSCs were also able to home and migrate towards targeted or injured organs such as the heart and lymph nodes. Although the MSCs were not detectable by the end of the study, the tested animals had significantly improved in terms of the disease symptoms and their related comorbidities. Thus, we hypothesize that the secretion of exosomes had contributed to this phenomenon.
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Affiliation(s)
- Alvin Man Lung Chan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, University Kebangsaan MalaysiaJalan Yaacob Latif, Kuala Lumpur 56000, Malaysia
| | - Yashirdisai Sampasivam
- Faculty of Science and Technology, University Kebangsaan MalaysiaBangi 43600, Selangor, Malaysia
| | - Yogeswaran Lokanathan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, University Kebangsaan MalaysiaJalan Yaacob Latif, Kuala Lumpur 56000, Malaysia
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Xu Z, Lin L, Fan Y, Huselstein C, De Isla N, He X, Chen Y, Li Y. Secretome of Mesenchymal Stem Cells from Consecutive Hypoxic Cultures Promotes Resolution of Lung Inflammation by Reprogramming Anti-Inflammatory Macrophages. Int J Mol Sci 2022; 23:ijms23084333. [PMID: 35457151 PMCID: PMC9032661 DOI: 10.3390/ijms23084333] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 02/06/2023] Open
Abstract
The secretome from hypoxia-preconditioned mesenchymal stem cells (MSCs) has been shown to promote resolution of inflammation and alleviate acute lung injury (ALI) through its immunomodulatory function. However, the effects of consecutive hypoxic culture on immunomodulatory function of the MSCs secretome are largely unclarified. Here, we intend to investigate the effects of consecutive hypoxia on therapeutic efficacy of conditioned medium derived from MSCs (MSCs-CM) in alleviating ALI. Human umbilical cord-derived MSCs (UC-MSCs) were consecutively cultured in 21% O2 (Nor-MSCs) or in 1% O2 (Hypo-MSCs) from passage 0. Their conditioned medium (Nor-CM and Hypo-CM respectively) was collected and administered into ALI models. Our findings confirmed that Hypo-MSCs exhibited increased proliferation ability and decreased cell senescence compared with Nor-MSCs. Consecutive hypoxia promoted UC-MSCs to secrete immunomodulatory cytokines, such as insulin-like growth factor 1(IGF1), IL10, TNFα-stimulated gene 6(TSG6), TGFβ, and prostaglandin E2 (PGE2). Both Nor-CM and Hypo-CM could effectively limit lung inflammation, promote efferocytosis and modulate anti-inflammatory polarization of lung macrophages in ALI models. Moreover, the effects of Hypo-CM were more potent than Nor-CM. Taken together, our findings indicate that consecutive hypoxic cultures could not only promote both proliferation and quality of UC-MSCs, but also enhance the therapeutic efficacy of their secretome in mitigating lung inflammation by promoting efferocytosis and anti-inflammatory polarization of macrophages.
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Affiliation(s)
- Zhihong Xu
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Lulu Lin
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yuxuan Fan
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Céline Huselstein
- UMR 7365 CNRS, Medical School, University of Lorraine, 54505 Nancy, France; (C.H.); (N.D.I.)
| | - Natalia De Isla
- UMR 7365 CNRS, Medical School, University of Lorraine, 54505 Nancy, France; (C.H.); (N.D.I.)
| | - Xiaohua He
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yun Chen
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yinping Li
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
- Correspondence: ; Tel.: +86-27-6875-8727; Fax: +86-27-6875-9222
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13
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Henn D, Chen K, Fehlmann T, Trotsyuk AA, Sivaraj D, Maan ZN, Bonham CA, Barrera JA, Mays CJ, Greco AH, Moortgat Illouz SE, Lin JQ, Steele SR, Foster DS, Padmanabhan J, Momeni A, Nguyen D, Wan DC, Kneser U, Januszyk M, Keller A, Longaker MT, Gurtner GC. Xenogeneic skin transplantation promotes angiogenesis and tissue regeneration through activated Trem2 + macrophages. SCIENCE ADVANCES 2021; 7:eabi4528. [PMID: 34851663 PMCID: PMC8635426 DOI: 10.1126/sciadv.abi4528] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 10/09/2021] [Indexed: 05/07/2023]
Abstract
Skin allo- and xenotransplantation are the standard treatment for major burns when donor sites for autografts are not available. The relationship between the immune response to foreign grafts and their impact on wound healing has not been fully elucidated. Here, we investigated changes in collagen architecture after xenogeneic implantation of human biologic scaffolds. We show that collagen deposition in response to the implantation of human split-thickness skin grafts (hSTSGs) containing live cells recapitulates normal skin architecture, whereas human acellular dermal matrix (ADM) grafts led to a fibrotic collagen deposition. We show that macrophage differentiation in response to hSTSG implantation is driven toward regenerative Trem2+ subpopulations and found that hydrogel delivery of these cells significantly accelerated wound closure. Our study identifies the preclinical therapeutic potential of Trem2+ macrophages to mitigate fibrosis and promote wound healing, providing a novel effective strategy to develop advanced cell therapies for complex wounds.
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Affiliation(s)
- Dominic Henn
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
- Department of Hand, Plastic, and Reconstructive Surgery, BG Trauma Center Ludwigshafen, Ruprecht-Karls-University of Heidelberg, Heidelberg, Germany
| | - Kellen Chen
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Tobias Fehlmann
- Chair for Clinical Bioinformatics, Saarland University, Saarbrücken, Germany
| | - Artem A. Trotsyuk
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Dharshan Sivaraj
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Zeshaan N. Maan
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Clark A. Bonham
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Janos A. Barrera
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Chyna J. Mays
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Autumn H. Greco
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Sylvia E. Moortgat Illouz
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - John Qian Lin
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Sydney R. Steele
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Deshka S. Foster
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Jagannath Padmanabhan
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Arash Momeni
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Dung Nguyen
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Derrick C. Wan
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Ulrich Kneser
- Department of Hand, Plastic, and Reconstructive Surgery, BG Trauma Center Ludwigshafen, Ruprecht-Karls-University of Heidelberg, Heidelberg, Germany
| | - Michael Januszyk
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Andreas Keller
- Chair for Clinical Bioinformatics, Saarland University, Saarbrücken, Germany
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA
| | - Michael T. Longaker
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
| | - Geoffrey C. Gurtner
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Stanford, CA, USA
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Valade G, Libert N, Martinaud C, Vicaut E, Banzet S, Peltzer J. Therapeutic Potential of Mesenchymal Stromal Cell-Derived Extracellular Vesicles in the Prevention of Organ Injuries Induced by Traumatic Hemorrhagic Shock. Front Immunol 2021; 12:749659. [PMID: 34659252 PMCID: PMC8511792 DOI: 10.3389/fimmu.2021.749659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/06/2021] [Indexed: 12/28/2022] Open
Abstract
Severe trauma is the principal cause of death among young people worldwide. Hemorrhagic shock is the leading cause of death after severe trauma. Traumatic hemorrhagic shock (THS) is a complex phenomenon associating an absolute hypovolemia secondary to a sudden and significant extravascular blood loss, tissue injury, and, eventually, hypoxemia. These phenomena are responsible of secondary injuries such as coagulopathy, endotheliopathy, microcirculation failure, inflammation, and immune activation. Collectively, these dysfunctions lead to secondary organ failures and multi-organ failure (MOF). The development of MOF after severe trauma is one of the leading causes of morbidity and mortality, where immunological dysfunction plays a central role. Damage-associated molecular patterns induce an early and exaggerated activation of innate immunity and a suppression of adaptive immunity. Severe complications are associated with a prolonged and dysregulated immune–inflammatory state. The current challenge in the management of THS patients is preventing organ injury, which currently has no etiological treatment available. Modulating the immune response is a potential therapeutic strategy for preventing the complications of THS. Mesenchymal stromal cells (MSCs) are multipotent cells found in a large number of adult tissues and used in clinical practice as therapeutic agents for immunomodulation and tissue repair. There is growing evidence that their efficiency is mainly attributed to the secretion of a wide range of bioactive molecules and extracellular vesicles (EVs). Indeed, different experimental studies revealed that MSC-derived EVs (MSC-EVs) could modulate local and systemic deleterious immune response. Therefore, these new cell-free therapeutic products, easily stored and available immediately, represent a tremendous opportunity in the emergency context of shock. In this review, the pathophysiological environment of THS and, in particular, the crosstalk between the immune system and organ function are described. The potential therapeutic benefits of MSCs or their EVs in treating THS are discussed based on the current knowledge. Understanding the key mechanisms of immune deregulation leading to organ damage is a crucial element in order to optimize the preparation of EVs and potentiate their therapeutic effect.
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Affiliation(s)
- Guillaume Valade
- Institut de Recherche Biomédicale des Armées (IRBA), Inserm UMRS-MD-1197, Clamart, France
| | - Nicolas Libert
- Service d'Anesthésie-Réanimation, Hôpital d'instruction des armées Percy, Clamart, France
| | - Christophe Martinaud
- Unité de Médicaments de Thérapie Innovante, Centre de Transfusion Sanguine des Armées, Clamart, France
| | - Eric Vicaut
- Laboratoire d'Etude de la Microcirculation, Université de Paris, UMRS 942 INSERM, Paris, France
| | - Sébastien Banzet
- Institut de Recherche Biomédicale des Armées (IRBA), Inserm UMRS-MD-1197, Clamart, France
| | - Juliette Peltzer
- Institut de Recherche Biomédicale des Armées (IRBA), Inserm UMRS-MD-1197, Clamart, France
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15
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Shi L, Ren J, Li J, Wang D, Wang Y, Qin T, Li X, Zhang G, Li C, Wang Y. Extracellular vesicles derived from umbilical cord mesenchymal stromal cells alleviate pulmonary fibrosis by means of transforming growth factor-β signaling inhibition. Stem Cell Res Ther 2021; 12:230. [PMID: 33845892 PMCID: PMC8041243 DOI: 10.1186/s13287-021-02296-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023] Open
Abstract
Background Pulmonary fibrosis (PF), the end point of interstitial lung diseases, is characterized by myofibroblast over differentiation and excessive extracellular matrix accumulation, leading to progressive organ dysfunction and usually a terminal outcome. Studies have shown that umbilical cord-derived mesenchymal stromal cells (uMSCs) could alleviate PF; however, the underlying mechanism remains to be elucidated. Methods The therapeutic effects of uMSC-derived extracellular vesicles (uMSC-EVs) on PF were evaluated using bleomycin (BLM)-induced mouse models. Then, the role and mechanism of uMSC-EVs in inhibiting myofibroblast differentiation were investigated in vivo and in vitro. Results Treatment with uMSC-EVs alleviated the PF and enhanced the proliferation of alveolar epithelial cells in BLM-induced mice, thus improved the life quality, including the survival rate, body weight, fibrosis degree, and myofibroblast over differentiation of lung tissue. Moreover, these effects of uMSC-EVs on PF are likely achieved by inhibiting the transforming growth factor-β (TGF-β) signaling pathway, evidenced by decreased expression levels of TGF-β2 and TGF-βR2. Using mimics of uMSC-EV-specific miRNAs, we found that miR-21 and miR-23, which are highly enriched in uMSC-EVs, played a critical role in inhibiting TGF-β2 and TGF-βR2, respectively. Conclusion The effects of uMSCs on PF alleviation are likely achieved via EVs, which reveals a new role of uMSC-EV-derived miRNAs, opening a novel strategy for PF treatment in the clinical setting. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02296-8.
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Affiliation(s)
- Liyan Shi
- China-Japan Union Hospital of Jilin University, 126 Xiantai St., Changchun, 130033, Jilin, China.,Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China
| | - Jing Ren
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China
| | - Jiping Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China
| | - Dongxu Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China
| | - Yusu Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China
| | - Tao Qin
- School of Ecology and Environment, Northwestern Polytechnical University, 1 Dongxiang Rd, Xi'an, 710129, Shaanxi, China
| | - Xiuying Li
- China-Japan Union Hospital of Jilin University, 126 Xiantai St., Changchun, 130033, Jilin, China
| | - Guokun Zhang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China. .,Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences (CAAS), 4899 Juye St., Changchun, 130112, Jilin, China.
| | - Chunyi Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, 130600, Jilin, China.
| | - Yimin Wang
- China-Japan Union Hospital of Jilin University, 126 Xiantai St., Changchun, 130033, Jilin, China.
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