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Shi Y, Shi H, Nomi A, Lei-Lei Z, Zhang B, Qian H. Mesenchymal stem cell-derived extracellular vesicles: a new impetus of promoting angiogenesis in tissue regeneration. Cytotherapy 2020; 21:497-508. [PMID: 31079806 DOI: 10.1016/j.jcyt.2018.11.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/25/2018] [Accepted: 11/20/2018] [Indexed: 02/07/2023]
Abstract
Over the past few decades, extracellular vesicles (EVs) have emerged as crucial mediators of intercellular communication. EVs encapsulate and convey information to surrounding cells or distant cells, where they mediate cellular biological responses. Among their multifaceted roles in the modulation of biological responses, the involvement of EVs in vascular development, growth and maturation has been widely documented and their potential therapeutic application in regenerative medicine or in the treatment of angiogenesis-related diseases is drawing increasing interest. In this review, we have summarized the details about the current knowledge on biogenesis of EVs and conventional isolation methods. Evidence supporting the use of EVs derived from mesenchymal stromal cells (MSCs) to enhance angiogenesis in the development of insufficient angiogenesis, such as chronic wounds, stroke and myocardial infarction, will also be discussed critically. Finally, the main challenges and prerequisites for their therapeutic applications will be evaluated.
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Affiliation(s)
- Yinghong Shi
- Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, the People's Republic of China; Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Zhenjiang, Jiangsu, the People's Republic of China
| | - Hui Shi
- Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, the People's Republic of China; Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Zhenjiang, Jiangsu, the People's Republic of China
| | - Adnan Nomi
- Department of International Exchange and Cooperation, Jining Medical University, Jining, Shandong, the People's Republic of China
| | - Zhang Lei-Lei
- Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, the People's Republic of China; Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Zhenjiang, Jiangsu, the People's Republic of China
| | - Bin Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Jining Medical University, Jining, Shandong, the People's Republic of China.
| | - Hui Qian
- Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, the People's Republic of China; Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Zhenjiang, Jiangsu, the People's Republic of China.
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Cernigliaro V, Peluso R, Zedda B, Silengo L, Tolosano E, Pellicano R, Altruda F, Fagoonee S. Evolving Cell-Based and Cell-Free Clinical Strategies for Treating Severe Human Liver Diseases. Cells 2020; 9:E386. [PMID: 32046114 PMCID: PMC7072646 DOI: 10.3390/cells9020386] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/21/2020] [Accepted: 02/06/2020] [Indexed: 02/07/2023] Open
Abstract
Liver diseases represent a major global health issue, and currently, liver transplantation is the only viable alternative to reduce mortality rates in patients with end-stage liver diseases. However, scarcity of donor organs and risk of recidivism requiring a re-transplantation remain major obstacles. Hence, much hope has turned towards cell-based therapy. Hepatocyte-like cells obtained from embryonic stem cells or adult stem cells bearing multipotent or pluripotent characteristics, as well as cell-based systems, such as organoids, bio-artificial liver devices, bioscaffolds and organ printing are indeed promising. New approaches based on extracellular vesicles are also being investigated as cell substitutes. Extracellular vesicles, through the transfer of bioactive molecules, can modulate liver regeneration and restore hepatic function. This review provides an update on the current state-of-art cell-based and cell-free strategies as alternatives to liver transplantation for patients with end-stage liver diseases.
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Affiliation(s)
- Viviana Cernigliaro
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (V.C.); (R.P.); (B.Z.)
- Maria Pia Hospital, 10126 Turin, Italy
| | - Rossella Peluso
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (V.C.); (R.P.); (B.Z.)
- Maria Pia Hospital, 10126 Turin, Italy
| | - Beatrice Zedda
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (V.C.); (R.P.); (B.Z.)
- Maria Pia Hospital, 10126 Turin, Italy
| | - Lorenzo Silengo
- Molecular Biotechnology Center, Departmet of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (L.S.); (E.T.)
| | - Emanuela Tolosano
- Molecular Biotechnology Center, Departmet of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (L.S.); (E.T.)
| | | | - Fiorella Altruda
- Molecular Biotechnology Center, Departmet of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy; (L.S.); (E.T.)
| | - Sharmila Fagoonee
- Institute of Biostructure and Bioimaging, National Research Council, Molecular Biotechnology Center, Via Nizza 52, 10126 Turin, Italy
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53
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Exosomes Derived from Umbilical Cord Mesenchymal Stem Cells Alleviate Mifepristone-Induced Human Endometrial Stromal Cell Injury. Stem Cells Int 2020; 2020:6091269. [PMID: 32399046 PMCID: PMC7204211 DOI: 10.1155/2020/6091269] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 01/08/2020] [Indexed: 11/17/2022] Open
Abstract
The human endometrial stromal cells (hEndoSCs) could maintain endometrial homeostasis and play a critical role in repairing endometrial injury. Mesenchymal stem cells (MSCs) significantly increase the proliferation of damaged hEndoSCs and protect them from apoptosis. Recent studies indicated that exosomes derived from stem cells could be recruited to damaged tissues for regeneration, which exhibit the potential for stem cell therapy as therapeutic vectors. In this study, we isolated human umbilical cord mesenchymal stem cell-derived exosomes (hUCMSC-Exos) and investigated the effects of hUCMSC-Exos on mifepristone-induced hEndoSC injury. Exosome uptake and cell proliferation as well as cell apoptosis of damaged hEndoSCs treated with hUCMSC-Exos were detected. We also assessed the expression of apoptosis-related proteins and the PTEN/AKT signaling pathway. We found hUCMSC-Exos improved the proliferation of damaged hEndoSCs and protected hEndoSCs from the mifepristone-induced apoptosis. hUCMSC-Exos upregulated Bcl-2 level as well as downregulated Cleaved Caspase-3 level and activated the PTEN/AKT signaling pathway to regulate the proliferation and antiapoptosis. These results indicated hUCMSC-Exos protected hEndoSCs from mifepristone-induced apoptosis and played an active role in repairing the damaged hEndoSCs through the PTEN/AKT signaling pathway in vitro. hUCMSC-Exos may hold great promise in the cell-free therapy of endometrial injury.
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Silvestro S, Chiricosta L, Gugliandolo A, Pizzicannella J, Diomede F, Bramanti P, Trubiani O, Mazzon E. Extracellular Vesicles Derived from Human Gingival Mesenchymal Stem Cells: A Transcriptomic Analysis. Genes (Basel) 2020; 11:genes11020118. [PMID: 31973135 PMCID: PMC7073771 DOI: 10.3390/genes11020118] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/08/2020] [Accepted: 01/18/2020] [Indexed: 02/06/2023] Open
Abstract
Human gingival mesenchymal stem cells (hGMSCs) have outstanding characteristics of proliferation and are able to differentiate into osteogenic, chondrogenic, adipogenic, and neurogenic cell lineages. The extracellular vesicles (EVs) secreted by hGMSCs contain proteins, lipids, mRNA and microRNA have emerged as important mediators of cell-to-cell communication. In this study, we analyzed the transcriptome of hGMSCs-derived EVs using Next Generation Sequencing (NGS). The functional evaluation of the transcriptome highlighted 26 structural protein classes and the presence of "non-coding RNAs". Our results showed that EVs contain several growth factors such as Transforming Growth Factor-β (TGF-β), Fibroblast Growth Factor (FGF), and Vascular Endothelial Growth Factors (VEGF) implicated in osteoblast differentiation and in angiogenetic process. Furthermore, the transcriptomic analysis showed the presence of glial cell-derived neurotrophic factor (GDNF) family ligands and neurotrophins involved in neuronal development. The NGS analysis also identified the presence of several interleukins among which some with anti-inflammatory action. Moreover, the transcriptome profile of EVs contained members of the Wnt family, involved in several biological processes, such as cellular proliferation and tissue regeneration. In conclusion, the huge amount of growth factors included in the hGMSCs-derived EVs could make them a big resource in regenerative medicine.
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Affiliation(s)
- Serena Silvestro
- IRCCS Centro Neurolesi “Bonino-Pulejo”, 98124 Messina, Italy; (S.S.); (L.C.); (A.G.); (P.B.)
| | - Luigi Chiricosta
- IRCCS Centro Neurolesi “Bonino-Pulejo”, 98124 Messina, Italy; (S.S.); (L.C.); (A.G.); (P.B.)
| | - Agnese Gugliandolo
- IRCCS Centro Neurolesi “Bonino-Pulejo”, 98124 Messina, Italy; (S.S.); (L.C.); (A.G.); (P.B.)
| | | | - Francesca Diomede
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.D.); (O.T.)
| | - Placido Bramanti
- IRCCS Centro Neurolesi “Bonino-Pulejo”, 98124 Messina, Italy; (S.S.); (L.C.); (A.G.); (P.B.)
| | - Oriana Trubiani
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.D.); (O.T.)
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi “Bonino-Pulejo”, 98124 Messina, Italy; (S.S.); (L.C.); (A.G.); (P.B.)
- Correspondence: ; Tel.: +39-090-60-12-8172
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Quaglia M, Dellepiane S, Guglielmetti G, Merlotti G, Castellano G, Cantaluppi V. Extracellular Vesicles as Mediators of Cellular Crosstalk Between Immune System and Kidney Graft. Front Immunol 2020; 11:74. [PMID: 32180768 PMCID: PMC7057849 DOI: 10.3389/fimmu.2020.00074] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/13/2020] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) are known immune-modulators exerting a critical role in kidney transplantation (KT). EV bioactive cargo includes graft antigens, costimulatory/inhibitory molecules, cytokines, growth factors, and functional microRNAs (miRNAs) that may modulate expression of recipient cell genes. As paracrine factors, neutrophil- and macrophage-derived EVs exert immunosuppressive and immune-stimulating effects on dendritic cells, respectively. Dendritic cell-derived EVs mediate alloantigen spreading and modulate antigen presentation to T lymphocytes. At systemic level, EVs exert pleiotropic effects on complement and coagulation. Depending on their biogenesis, they can amplify complement activation or shed complement inhibitors and prevent cell lysis. Likewise, endothelial- and platelet-derived EVs can exert procoagulant/prothrombotic effects and also promote endothelial survival and angiogenesis after ischemic injury. Kidney endothelial- and tubular-derived EVs play a key role in ischemia-reperfusion injury (IRI) and during the healing process; additionally, they can trigger rejection by inducing both alloimmune and autoimmune responses. Endothelial EVs have procoagulant/pro-inflammatory effects and can release sequestered self-antigens, generating a tissue-specific autoimmunity. Renal tubule-derived EVs shuttle pro-fibrotic mediators (TGF-β and miR-21) to interstitial fibroblasts and modulate neutrophil and T-lymphocyte influx. These processes can lead to peritubular capillary rarefaction and interstitial fibrosis-tubular atrophy. Different EVs, including those from mesenchymal stromal cells (MSCs), have been employed as a therapeutic tool in experimental models of rejection and IRI. These particles protect tubular and endothelial cells (by inhibition of apoptosis and inflammation-fibrogenesis or by inducing autophagy) and stimulate tissue regeneration (by triggering angiogenesis, cell proliferation, and migration). Finally, urinary and serum EVs represent potential biomarkers for delayed graft function (DGF) and acute rejection. In conclusion, EVs sustain an intricate crosstalk between graft tissue and innate/adaptive immune systems. EVs play a major role in allorecognition, IRI, autoimmunity, and alloimmunity and are promising as biomarkers and therapeutic tools in KT.
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Affiliation(s)
- Marco Quaglia
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale (UPO), Novara, Italy
- Center for Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy
| | - Sergio Dellepiane
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale (UPO), Novara, Italy
- Center for Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy
- Division of Hematology/Medical Oncology, Icahn School of Medicine at Mount Sinai Hospital, The Tisch Cancer Institute, New York, NY, United States
| | - Gabriele Guglielmetti
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale (UPO), Novara, Italy
- Center for Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy
| | - Guido Merlotti
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale (UPO), Novara, Italy
- Center for Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy
| | - Giuseppe Castellano
- Nephrology Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Vincenzo Cantaluppi
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale (UPO), Novara, Italy
- Center for Autoimmune and Allergic Diseases (CAAD), University of Piemonte Orientale (UPO), Novara, Italy
- *Correspondence: Vincenzo Cantaluppi
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56
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Zhang C, Wang H, Chan GC, Zhou Y, Lai X, Lian M. Extracellular Vesicles Derived from Human Umbilical Cord Mesenchymal Stromal Cells Protect Cardiac Cells Against Hypoxia/Reoxygenation Injury by Inhibiting Endoplasmic Reticulum Stress via Activation of the PI3K/Akt Pathway. Cell Transplant 2020; 29:963689720945677. [PMID: 32864999 PMCID: PMC7563023 DOI: 10.1177/0963689720945677] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 05/02/2020] [Accepted: 01/23/2020] [Indexed: 02/05/2023] Open
Abstract
Endoplasmic reticulum (ER) stress is implicated in the pathogenesis of many diseases, including myocardial ischemia/reperfusion injury. We hypothesized that human umbilical cord mesenchymal stromal cells derived extracellular vesicles (HuMSC-EVs) could protect cardiac cells against hyperactive ER stress induced by hypoxia/reoxygenation (H/R) injury. The H/R model was generated using the H9c2 cultured cardiac cell line. HuMSC-EVs were extracted using a commercially available exosome isolation reagent. Levels of apoptosis-related signaling molecules and the degree of ER stress were assessed by western blot. The role of the PI3K/Akt pathway was investigated using signaling inhibitors. Lactate dehydrogenase leakage and 3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide (MTT) analysis were used for evaluating the therapeutic effects of HuMSC-EVs in vitro. The results showed that ER stress and the rate of apoptosis were increased in the context of H/R injury. Treatment with HuMSC-EVs inhibited ER stress and increased survival in H9c2 cells exposed to H/R. Mechanistically, the PI3K/Akt pathway was activated by treatment with HuMSC-EVs after H/R. Inhibition of the PI3K/Akt pathway by a specific inhibitor, LY294002, partially reduced the protective effect of HuMSC-EVs. Our findings suggest that HuMSC-EVs could alleviate ER stress-induced apoptosis during H/R via activation of the PI3K/Akt pathway.
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Affiliation(s)
- Changyi Zhang
- Department of Cardiology, Second Affiliated Hospital of Shantou
University Medical College, Shantou, Guangdong, PR China
| | - Hongwu Wang
- Department of Pediatrics, Second Affiliated Hospital of Shantou
University Medical College, Shantou, Guangdong, PR China
| | - Godfrey C.F. Chan
- Department of Adolescent Medicine, Queen Mary Hospital, Hong Kong, PR China
| | - Yu Zhou
- Department of Neurology, Second Affiliated Hospital of Shantou
University Medical College, Shantou, Guangdong, PR China
| | - Xiulan Lai
- Department of Pediatrics, Huazhong University of Science and
Technology Union Shenzhen Hospital, Shenzhen, Guangdong, PR China
- Xiulan Lai, Department of Pediatrics,
Huazhong University of Science and Technology Union Shenzhen Hospital, 89 Tao
Yuan Road, Shenzhen, Guangdong 518000, PR China.
| | - Ma Lian
- Department of Pediatrics, Second Affiliated Hospital of Shantou
University Medical College, Shantou, Guangdong, PR China
- Department of Hematology and Oncology, Shenzhen Children’s
Hospital, Shenzhen, Guangdong, PR China
- Ma Lian, Department of Hematology and
Oncology, Shenzhen Children’s Hospital, 7019 Yi Tian Road, Shenzhen, Guangdong
518038, PR China.
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57
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Lights and Shadows in the Use of Mesenchymal Stem Cells in Lung Inflammation, a Poorly Investigated Topic in Cystic Fibrosis. Cells 2019; 9:cells9010020. [PMID: 31861724 PMCID: PMC7016730 DOI: 10.3390/cells9010020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/12/2019] [Accepted: 12/17/2019] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are multipotent non-hematopoietic stem cells residing in many tissues, including the lung. MSCs have long been regarded as a promising tool for cell-based therapy because of their ability to replace damaged tissue by differentiating into the resident cell and repopulating the injured area. Their ability to release soluble factors and extracellular vesicles has emerged as crucial in the resolution of inflammation and injury. There is a growing literature on the use of MSCs and MSC secretome to hamper inflammation in different lung pathologies, including: asthma, pneumonia, acute lung injury (ALI), pulmonary hypertension, and chronic obstructive pulmonary disease (COPD). However, their potential therapeutic role in the context of Cystic Fibrosis (CF) lung inflammation is still not fully characterized. CF morbidity and mortality are mainly due to progressive lung dysfunction. Lung inflammation is a chronic and unresolved condition that triggers progressive tissue damage. Thus, it becomes even more important to develop innovative immunomodulatory therapies aside from classic anti-inflammatory agents. Here, we address the main features of CF and the implications in lung inflammation. We then review how MSCs and MSC secretome participate in attenuating inflammation in pulmonary pathologies, emphasizing the significant potential of MSCs as new therapeutic approach in CF.
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58
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Elia CA, Losurdo M, Malosio ML, Coco S. Extracellular Vesicles from Mesenchymal Stem Cells Exert Pleiotropic Effects on Amyloid-β, Inflammation, and Regeneration: A Spark of Hope for Alzheimer's Disease from Tiny Structures? Bioessays 2019; 41:e1800199. [PMID: 30919493 DOI: 10.1002/bies.201800199] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 02/08/2019] [Indexed: 12/15/2022]
Abstract
No cure yet exists for devastating Alzheimer's disease (AD), despite many years and humongous efforts to find efficacious pharmacological treatments. So far, neither designing drugs to disaggregate amyloid plaques nor tackling solely inflammation turned out to be decisive. Mesenchymal stem cells (MSCs) and, in particular, extracellular vesicles (EVs) originating from them could be proposed as an alternative, strategic approach to attack the pathology. Indeed, MSC-EVs-owing to their ability to deliver lipids/proteins/enzymes/microRNAs endowed with anti-inflammatory, amyloid-β degrading, and neurotrophic activities-may be exploited as therapeutic tools to restore synaptic function, prevent neuronal death, and slow down memory impairment in AD. Herein the results presented in the most recently published studies on this topic are critically evaluated, providing a strong rationale for possible employment of MSC-EVs in AD. Also see the video abstract here https://youtu.be/tBtDbnlRUhg.
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Affiliation(s)
- Chiara A Elia
- Laboratory of Pharmacology and Brain Pathology, Neuro Center, Humanitas Clinical and Research Center-IRCCS, Via Manzoni 56, Rozzano, Milano, 20089, Italy
| | - Morris Losurdo
- School of Medicine and Surgery, NeuroMI-Milan Center for Neuroscience, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Maria L Malosio
- Laboratory of Pharmacology and Brain Pathology, Neuro Center, Humanitas Clinical and Research Center-IRCCS, Via Manzoni 56, Rozzano, Milano, 20089, Italy.,CNR, Institute of Neuroscience, Via Vanvitelli 32, Milano, 20129, Italy
| | - Silvia Coco
- School of Medicine and Surgery, NeuroMI-Milan Center for Neuroscience, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
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59
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Hu C, Li L. The immunoregulation of mesenchymal stem cells plays a critical role in improving the prognosis of liver transplantation. J Transl Med 2019; 17:412. [PMID: 31823784 PMCID: PMC6905033 DOI: 10.1186/s12967-019-02167-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 12/04/2019] [Indexed: 12/14/2022] Open
Abstract
The liver is supplied by a dual blood supply, including the portal venous system and the hepatic arterial system; thus, the liver organ is exposed to multiple gut microbial products, metabolic products, and toxins; is sensitive to extraneous pathogens; and can develop liver failure, liver cirrhosis and hepatocellular carcinoma (HCC) after short-term or long-term injury. Although liver transplantation (LT) serves as the only effective treatment for patients with end-stage liver diseases, it is not very popular because of the complications and low survival rates. Although the liver is generally termed an immune and tolerogenic organ with adaptive systems consisting of humoral immunity and cell-mediated immunity, a high rejection rate is still the main complication in patients with LT. Growing evidence has shown that mesenchymal stromal cell (MSC) transplantation could serve as an effective immunomodulatory strategy to induce tolerance in various immune-related disorders. MSCs are reported to inhibit the immune response from innate immune cells, including macrophages, dendritic cells (DCs), natural killer cells (NK cells), and natural killer T (NKT) cells, and that from adaptive immune cells, including T cells, B cells and other liver-specific immune cells, for the generation of a tolerogenic microenvironment. In this review, we summarized the relationship between LT and immunoregulation, and we focused on how to improve the effects of MSC transplantation to improve the prognosis of LT. Only after exhaustive clarification of the potential immunoregulatory mechanisms of MSCs in vitro and in vivo can we implement MSC protocols in routine clinical practice to improve LT outcome.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lanjuan Li
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China. .,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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60
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Bogatcheva NV, Coleman ME. Conditioned Medium of Mesenchymal Stromal Cells: A New Class of Therapeutics. BIOCHEMISTRY (MOSCOW) 2019; 84:1375-1389. [PMID: 31760924 DOI: 10.1134/s0006297919110129] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mesenchymal stromal cell (MSCs) represent a class of biologics with the prospects for employment as immunomodulatory, tissue-protective, and regenerative therapeutics. In parallel with cellular therapy, cell-free therapy based on MSC-secreted bioactive factors is being actively developed. MSCs secrete a variety of protein, peptide, RNA, and lipid mediators which can be concentrated, frozen, or even lyophilized without loss of activity, which gives them a certain advantage over cellular products requiring liquid nitrogen storage and infrastructure to revive frozen cells. This review (i) describes currently conducted clinical trials of cell-free products containing MSC secretome; (ii) summarizes main approaches to the generation and characterization of conditioned media concentrates and extracellular vesicle isolates; (iii) analyzes a variety of preclinical studies where effectiveness of secretome products has been shown; and (iv) summarizes current knowledge about secretome bioactive components obtained by analysis of in vivo models testing the therapeutic potential of the MSC secretome.
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Affiliation(s)
- N V Bogatcheva
- Division of Pulmonary and Critical Care, Department of Medicine, Indiana University School of Medicine, IUPUI, Indianapolis, IN 46202, USA.
| | - M E Coleman
- Theratome Bio, Inc., Indianapolis, IN 46202, USA.
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61
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Bodart-Santos V, de Carvalho LRP, de Godoy MA, Batista AF, Saraiva LM, Lima LG, Abreu CA, De Felice FG, Galina A, Mendez-Otero R, Ferreira ST. Extracellular vesicles derived from human Wharton's jelly mesenchymal stem cells protect hippocampal neurons from oxidative stress and synapse damage induced by amyloid-β oligomers. Stem Cell Res Ther 2019; 10:332. [PMID: 31747944 PMCID: PMC6864996 DOI: 10.1186/s13287-019-1432-5] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 08/26/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022] Open
Abstract
Background Mesenchymal stem cells (MSCs) have been explored as promising tools for treatment of several neurological and neurodegenerative diseases. MSCs release abundant extracellular vesicles (EVs) containing a variety of biomolecules, including mRNAs, miRNAs, and proteins. We hypothesized that EVs derived from human Wharton’s jelly would act as mediators of the communication between hMSCs and neurons and could protect hippocampal neurons from damage induced by Alzheimer’s disease-linked amyloid beta oligomers (AβOs). Methods We isolated and characterized EVs released by human Wharton’s jelly mesenchymal stem cells (hMSC-EVs). The neuroprotective action of hMSC-EVs was investigated in primary hippocampal cultures exposed to AβOs. Results hMSC-EVs were internalized by hippocampal cells in culture, and this was enhanced in the presence of AβOs in the medium. hMSC-EVs protected hippocampal neurons from oxidative stress and synapse damage induced by AβOs. Neuroprotection by hMSC-EVs was mediated by catalase and was abolished in the presence of the catalase inhibitor, aminotriazole. Conclusions hMSC-EVs protected hippocampal neurons from damage induced by AβOs, and this was related to the transfer of enzymatically active catalase contained in EVs. Results suggest that hMSC-EVs should be further explored as a cell-free therapeutic approach to prevent neuronal damage in Alzheimer’s disease.
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Affiliation(s)
- Victor Bodart-Santos
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil.,Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil.,Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Luiza R P de Carvalho
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Mariana A de Godoy
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil.,Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - André F Batista
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Leonardo M Saraiva
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Luize G Lima
- National Cancer Institute, Rio de Janeiro, RJ, 20230-240, Brazil
| | - Carla Andreia Abreu
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Fernanda G De Felice
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil.,Centre for Neuroscience Studies and Department of Psychiatry, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - Antonio Galina
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Rosalia Mendez-Otero
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil. .,National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, RJ, 21941-590, Brazil.
| | - Sergio T Ferreira
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil. .,Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil.
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Niche origin of mesenchymal stem cells derived microvesicles determines opposing effects on NSCLC: Primary versus metastatic. Cell Signal 2019; 65:109456. [PMID: 31672605 DOI: 10.1016/j.cellsig.2019.109456] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/16/2019] [Accepted: 10/22/2019] [Indexed: 01/01/2023]
Abstract
Novel therapeutic approaches that address the malignant cells in their stroma microenvironment are urgently needed in lung cancer. The stroma resident mesenchymal stem cells (MSCs) interact with cancer cells in diverse ways including microvesicles (MVs) that transfer proteins and RNA species thereby modulating recipient cells' phenotype. Previously, we have demonstrated that MSCs' secretome from the primary non-small cell lung cancer (NSCLC) niche (lung) and metastatic niche (bone marrow (BM)) demonstrate opposite effects on NSCLC cells in a translation initiation (TI) dependent manner. Here, we examined the effect of MVs secreted from BM-MSCs' or lung-MSCs (healthy, NSCLC) to NSCLC phenotype. Briefly, NSCLC cell lines treated with Lung or BM-MSCs' MVs were assayed for viability (WST-1), cell count/death (trypan), migration (scratch), TI status and MAPKs activation (immunoblotting). Corresponding to previous published trends, Lung-MSCs' MVs promoted NSCLC cells' assayed traits whereas, BM-MSCs' MVs suppressed them. Activation of MAPKs and autophagy was registered in lung-MSCs MVs treated NSCLC cell lines only. Furthermore, lung-MSCs' MVs' treated NSCLC cells demonstrated an early (5min) activation of MAPKs and TI factors (peIF4E/peIF4GI) not evident in BM-MSCs MVs treated cells. These observations depict a role for MSCs'-MVs in NSCLC phenotype design and display distinct differences between the primary and metastatic niches that correspond to disease progression. In conclusion, the systemic nature of MVs marks them as attractive therapeutic markers/targets and we propose that identification of specific cargoes/signals that differentiate between MSCs MVs of primary and metastatic niches may introduce fresh therapeutic approaches.
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63
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Zulueta A, Peli V, Dei Cas M, Colombo M, Paroni R, Falleni M, Baisi A, Bollati V, Chiaramonte R, Del Favero E, Ghidoni R, Caretti A. Inflammatory role of extracellular sphingolipids in Cystic Fibrosis. Int J Biochem Cell Biol 2019; 116:105622. [PMID: 31563560 DOI: 10.1016/j.biocel.2019.105622] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 09/24/2019] [Accepted: 09/25/2019] [Indexed: 12/13/2022]
Abstract
Ceramide is emerging as one of the players of inflammation in lung diseases. However, data on its inflammatory role in Cystic Fibrosis (CF) as part of the extracellular machinery driven by lung mesenchymal stem cells (MSCs)-derived extracellular vesicles (EVs) are missing. We obtained an in vitro model of CF-MSC by treating control human lung MSCs with a specific CFTR inhibitor. We characterized EVs populations derived from MSCs (ctr EVs) and CF-MSCs (CF-EVs) and analyzed their sphingolipid profile by LC-MS/MS. To evaluate their immunomodulatory function, we treated an in vitro human model of CF, with both EVs populations. Our data show that the two EVs populations differ for the average size, amount, and rate of uptake. CF-EVs display higher ceramide and dihydroceramide accumulation as compared to control EVs, suggesting the involvement of the de novo biosynthesis pathway in the parental CF-MSCs. Higher sphingomyelinase activity in CF-MSCs, driven by inflammation-induced ceramide accumulation, sustains the exocytosis of vesicles that export new formed pro-inflammatory ceramide. Our results suggest that CFTR dysfunction associates with an enhanced sphingolipid metabolism leading to the release of EVs that export the excess of pro-inflammatory Cer to the recipient cells, thus contributing to maintain the unresolved inflammatory status of CF.
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Affiliation(s)
- Aida Zulueta
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Valeria Peli
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Michele Dei Cas
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Michela Colombo
- Laboratory of Experimental Medicine and Pathophysiology, Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy; Haematopoietic Stem Cell Biology Laboratory, Medical Research Council(MRC) Weatherall Institute of Molecular Medicine (WIMM), University of Oxford, Oxford OX39DS, UK.
| | - Rita Paroni
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Monica Falleni
- Pathology Division, Health Sciences Department, University of Milan, San Paolo Hospital Medical School, Via A. di Rudinì, 8, Milan, Italy.
| | - Alessandro Baisi
- Thoracic Surgery Unit, Health Sciences Department, University of Milan, San Paolo Hospital Medical School, Via A. di Rudinì, 8, Milan, Italy.
| | - Valentina Bollati
- EPIGET LAB, Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
| | - Raffaella Chiaramonte
- Laboratory of Experimental Medicine and Pathophysiology, Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Elena Del Favero
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Fratelli Cervi 93, Milan, Italy.
| | - Riccardo Ghidoni
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
| | - Anna Caretti
- Biochemistry and Molecular Biology Lab., Health Sciences Department, University of Milan, Via A. di Rudinì, 8, Milan, Italy.
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64
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Branscome H, Paul S, Khatkar P, Kim Y, Barclay RA, Pinto DO, Yin D, Zhou W, Liotta LA, El-Hage N, Kashanchi F. Stem Cell Extracellular Vesicles and their Potential to Contribute to the Repair of Damaged CNS Cells. J Neuroimmune Pharmacol 2019; 15:520-537. [PMID: 31338754 DOI: 10.1007/s11481-019-09865-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 07/10/2019] [Indexed: 12/31/2022]
Abstract
Neurological diseases and disorders are leading causes of death and disability worldwide. Many of these pathologies are associated with high levels of neuroinflammation and irreparable tissue damage. As the global burden of these pathologies continues to rise there is a significant need for the development of novel therapeutics. Due to their multipotent properties, stem cells have broad applications for tissue repair; additionally, stem cells have been shown to possess both immunomodulatory and neuroprotective properties. It is now believed that paracrine factors, such as extracellular vesicles (EVs), play a critical role in the functionality associated with stem cells. The diverse biological cargo contained within EVs are proposed to mediate these effects and, to date, the reparative and regenerative effects of stem cell EVs have been demonstrated in a wide range of cell types. While a high potential for their therapeutic use exists, there is a gap of knowledge surrounding their characterization, mechanisms of action, and how they may regulate cells of the CNS. Here, we report the isolation, characterization, and functional assessment of EVs from two sources of human stem cells, mesenchymal stem cells and induced pluripotent stem cells. We demonstrate the ability of these EVs to enhance the processes of cellular migration and angiogenesis, which are critical for both normal cellular development as well as cellular repair. Furthermore, we investigate their reparative effects on damaged cells, specifically those with relevance to the central nervous system. Collectively, our data highlight the similarities and differences among these EV populations and support the view that stem cells EV can be used to repair or partially reverse cellular damage. Graphical Abstract Stem cell-derived Extracellular Vesicles (EVs) for repair of damaged cells. EVs isolated from human induced pluripotent stem cells and mesenchymal stem cells contribute to the partial reversal of phenotypes induced by different sources of cellular damage.
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Affiliation(s)
- Heather Branscome
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA.,American Type Culture Collection (ATCC), Manassas, VA, USA
| | | | - Pooja Khatkar
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA
| | - Yuriy Kim
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA
| | - Robert A Barclay
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA
| | - Daniel O Pinto
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA
| | | | - Weidong Zhou
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
| | - Lance A Liotta
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA, USA
| | - Nazira El-Hage
- Department of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Fatah Kashanchi
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd, Manassas, VA, 20110, USA.
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65
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Niu Y, Xia X, Song P, Fang H, Dong F, Tao H, Yang C, Shen C. Bone mesenchymal stem cell-conditioned medium attenuates the effect of oxidative stress injury on NSCs by inhibiting the Notch1 signaling pathway. Cell Biol Int 2019; 43:1267-1275. [PMID: 30839137 DOI: 10.1002/cbin.11126] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 03/02/2019] [Indexed: 12/17/2022]
Abstract
Numerous studies have demonstrated the therapeutic effect of bone mesenchymal stem cells on spinal cord injury (SCI), especially on neural stem cells (NSCs). However, the predominant mechanisms of bone mesenchymal stem cells (BMSCs) are unclear. Recently, some researchers have found that paracrine signaling plays a key role in the therapeutic capacity of BMSCs and emphasized that the protective effect of BMSCs may be due to paracrine factors. In this study, we aimed to investigate the potential mechanisms of BMSCs to protect NSCs. NSCs were identified by immunocytochemistry. The oxidative stress environment was simulated by H2 O2 (50, 100, 200 μM) for 2 h. The apoptotic rate of the NSCs was detected via flow cytometry. Lactate dehydrogenase (LDH), malondialdehyde (MDA), and superoxide dismutase (SOD) activity were evaluated via corresponding assay kits. Western blot was used to detect the expressions of Notch1, HES1, caspase-3, cleave caspase-3, Bax, and Bcl-2. We found that H2 O2 could significantly induce the apoptosis of NSCs, increase LDH, MDA levels, and decrease SOD activity by activating the Notch1 signaling pathway. DAPT (the specific blocker of Notch1) and BMSC-conditioned medium (BMSC-CM) could significantly prevent the apoptotic effect and oxidative stress injury on NSCs that were treated with H2 O2 . We also revealed that BMSC-CM could decrease the expression of Notch1, Hes1, cleave caspase-3, Bax, and increases the expression of Bcl-2 in NSCs, which was induced by H2 O2 . These results have revealed that BMSC-CM can neutralize the effect against oxidative stress injury on the apoptosis of NSCs by inhibiting the Notch1 signaling pathway.
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Affiliation(s)
- Yang Niu
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
| | - Xiang Xia
- Department of Orthopedic Surgery, LUAN Affiliated Houspital of AnHui Medical University, No. 21 Wanxi Road, Jinan District, Luan, Anhui Province, 237005, China
| | - PeiWen Song
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
| | - Huang Fang
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
| | - FuLong Dong
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
| | - Hui Tao
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
| | - Chao Yang
- Department Emergency Surgery, ANHUI No. 2 Provincial People's Housptial, No.1868 Tangshan Road, Luyang District, Hefei, Anhui Province, 230001, China
| | - CaiLiang Shen
- Department of Spine Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Shushan District, Hefei, Anhui Province, 230031, China
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66
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Overexpressed vascular endothelial growth factor in adipose derived stem cells attenuates fibroblasts and skin injuries by ultraviolet radiation. Biosci Rep 2019; 39:BSR20190433. [PMID: 31266813 PMCID: PMC6639453 DOI: 10.1042/bsr20190433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/13/2019] [Accepted: 06/21/2019] [Indexed: 12/27/2022] Open
Abstract
Adipose-derived stem cells (ADSCs) and vascular endothelial growth factor (VEGF) contribute to the healing of wound. The purpose of the present study was to investigate the role of VEGF produced by ADSCs in the protection of fibroblasts and skin of mice from ultraviolet (UV) radiation. ADSCs and fibroblasts were extracted from adipose and skin on the abdomen of mice by enzyme digestion methods. ADSCs surface markers were detected using flow cytometry, and immunofluorescence was used to identify fibroblasts. The expression of VEGF in modified ADSCs with lentivirus was determined. Fibroblasts were injured by UV radiation and co-cultured with ADSCs carrying overexpressed VEGF or normal VEGF. Cell cycle was assessed by flow cytometry. Mice were treated with UV radiation dorsally and injected with ADSCs containing overexpressed VEGF or normal VEGF. mRNA and protein levels of cell senescence-related genes were measured by qPCR and western blot. It was found that ADSCs with overexpressed VEGF not only promoted the effect of ADSCs on down-regulating senescence-associated (SA)-β-Gal, p21 and matrix metalloproteinase (MMP)-1, the healing of wound injured by UV radiation and up-regulating collagen I expression in fibroblasts and wound, but also on inhibiting cell cycle arrest in fibroblasts injured by UV radiation and preventing the skin from photoaging caused by UV radiation. VEGF expression in ADSCs played a key role in protecting skin fibroblasts from ageing, which further allowed the skin to resist photoaging, thereby promoting the recovery of wound injured by UV radiation.
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67
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Biomaterial-based delivery systems of nucleic acid for regenerative research and regenerative therapy. Regen Ther 2019; 11:123-130. [PMID: 31338391 PMCID: PMC6626072 DOI: 10.1016/j.reth.2019.06.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/10/2019] [Accepted: 06/25/2019] [Indexed: 12/22/2022] Open
Abstract
Regenerative medicine is a new and promising medical method aiming at treating patients with defective or dysfunctional tissues by maintaining or enhancing the biological activity of cells. The development of biomaterial-based technologies, such as cell scaffolds and carriers for drug delivery system, are highly required to promote the regenerative research and regenerative therapy. Nucleic acids are one of the most feasible factors to efficiently modify the biological activity of cells. The effective and stable delivery of nucleic acids into cells is highly required to succeed in the modification. Biomaterials-based non-viral carriers or biological carriers, like exosomes, play an important role in the efficient delivery of nucleic acids. This review introduces the examples of regenerative research and regenerative therapy based on the delivery of nucleic acids with biomaterials technologies and emphasizes their importance to accomplish regenerative medicine. Modifying the activity of cells is important for regenerative medicine. Various nucleic acids regulate gene expression to modify the activity of cells. Intracellular delivery system is vital to the nucleic acids-based modification. Biomaterials are useful for the intracellular delivery of nucleic acids.
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Key Words
- Biomaterials
- CRISPR, clustered regularly interspaced short palindromic repeats
- Cas, CRISPR-associated systems
- Cell scaffold
- DDS, drug delivery system
- Drug delivery system
- ECM, extracellular matrix
- MSC, mesenchymal stem cells
- Nucleic acids
- PEG, polyethylene glycol
- PLGA, poly(d,l-lactic acid-co-glycolic acid)
- RISC, RNA-induced silencing complex
- RNAi, RNA interferince
- Regenerative research
- Regenerative therapy
- TALEN, transcription activator-like effector nuclease
- ZFN, zinc finger nucleases
- lncRNA, long non-coding RNA
- mRNA, messenger RNA
- miRNA, microRNA
- siRNA, small interfering RNA
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Jafari D, Malih S, Eslami SS, Jafari R, Darzi L, Tarighi P, Samadikuchaksaraei A. The relationship between molecular content of mesenchymal stem cells derived exosomes and their potentials: Opening the way for exosomes based therapeutics. Biochimie 2019; 165:76-89. [PMID: 31302163 DOI: 10.1016/j.biochi.2019.07.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/09/2019] [Indexed: 12/16/2022]
Abstract
At least, more than half of our understanding of extracellular vesicles owes to the studies conducted over the past few years. When it became clear that the exosomes have various potentials in medicine, extensive research has focused on these potentials in a variety of areas including cancer, drug delivery and regenerative medicine. The growing understanding of molecular structure and functions of exosomes causes the vision to become brighter in the exosomes complexity, and our attitude toward these vesicles has undergone changes accordingly. Proteomic and transcriptomic studies on exosomes have highlighted their molecular diversity. In this review, we explicitly examine the exosomes composition, molecular structure and their therapeutic potentials in some diseases. Due to the very heterogeneous nature of exosomes, the process of their use as a therapeutic agent in the clinic has been challenged. We are still at the beginning of recognizing the molecular composition of exosomes and mechanisms that affect their physiology and biology. The growing trend of engineering of exosomes has shown a promising future to further utilize them in a different field. Molecular profiling of exosomes and their content for their related potentials in regenerative medicine should be done exactly for further defining a minimum content for specific therapeutic potentials.
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Affiliation(s)
- Davod Jafari
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran; Student Research Committee, Iran University of Medical Sciences, Tehran, Iran.
| | - Sara Malih
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Seyed Sadegh Eslami
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Rasool Jafari
- Department of Medical Parasitology and Mycology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran.
| | - Leila Darzi
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Parastoo Tarighi
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Ali Samadikuchaksaraei
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran.
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69
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Zhang Z, Qiao J, Zhang D, Zhu W, Zhu J, Leng X, Li S. Noncoding RNAs Act as Tumor-Derived Molecular Components in Inducing Premetastatic Niche Formation. BIOMED RESEARCH INTERNATIONAL 2019; 2019:9258075. [PMID: 31309120 PMCID: PMC6594336 DOI: 10.1155/2019/9258075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 05/04/2019] [Accepted: 05/27/2019] [Indexed: 12/14/2022]
Abstract
Cancer metastasis has been demonstrated as it is the culmination of a cascade of priming steps. Increasing evidence has shown that tumor-derived molecular components (TDMCs) are known as extra cellular vesicle and nonvesicle factors and serve as versatile intercellular communication vehicles which can mediate signaling in the tumor microenvironment while creating the premetastatic niche. Noncoding RNAs (ncRNAs) as one of the TDMCs have been proved in participating in the formation of the premetastatic niche. Understanding the premetastatic niche formation mechanisms through TDMCs, especially ncRNAs may open a new avenue for cancer metastasis therapeutic strategies. In this review, recent findings regarding ncRNAs function were summarized, and then the interaction with the premetastatic niche formation was studied, which highlight the potential of using ncRNAs for cancer diagnosis and therapeutic effect.
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Affiliation(s)
- Zhedong Zhang
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Jiao Qiao
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong University, Shandong, 250021, China
| | - Dafang Zhang
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Weihua Zhu
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Jiye Zhu
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Xisheng Leng
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Shu Li
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, 100044, China
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70
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Rohde E, Pachler K, Gimona M. Manufacturing and characterization of extracellular vesicles from umbilical cord-derived mesenchymal stromal cells for clinical testing. Cytotherapy 2019; 21:581-592. [PMID: 30979664 DOI: 10.1016/j.jcyt.2018.12.006] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/21/2018] [Accepted: 12/14/2018] [Indexed: 02/07/2023]
Abstract
Extracellular vesicles (EVs) derived from mesenchymal stromal cells (MSCs) may deliver therapeutic effects that are comparable to their parental cells. MSC-EVs are promising agents for the treatment of a variety of diseases. To reach the intermediate goal of clinically testing safety and efficacy of EVs, strategies should strive for efficient translation of current EV research. On the basis of our in vitro an in vivo findings regarding the biological actions of EVs and our experience in manufacturing biological stem cell therapeutics for routine use and clinical testing, we discuss strategies of manufacturing and quality control of umbilical cord-derived MSC-EVs. We introduce guidelines of good manufacturing practice and their practicability along the path from the laboratory to the patient. We present aspects of manufacturing and final product quality testing and highlight the principle of "The process is the product." The approach presented in this perspective article may facilitate translational research during the development of complex biological EV-based therapeutics in a very early stage of manufacturing as well as during early clinical safety and proof-of-concept testing.
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Affiliation(s)
- Eva Rohde
- GMP Laboratory, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), Salzburg, Austria; Department of Transfusion Medicine, Paracelsus Medical University (PMU), Salzburg, Austria; Celericon Therapeutics G.m.b.H., Paracelsus Medical University (PMU), Salzburg, Austria.
| | - Karin Pachler
- GMP Laboratory, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), Salzburg, Austria; Department of Transfusion Medicine, Paracelsus Medical University (PMU), Salzburg, Austria; Research Program Nanovesicular Therapies, Paracelsus Medical University (PMU), Salzburg, Austria
| | - Mario Gimona
- GMP Laboratory, Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University (PMU), Salzburg, Austria; Department of Transfusion Medicine, Paracelsus Medical University (PMU), Salzburg, Austria; Research Program Nanovesicular Therapies, Paracelsus Medical University (PMU), Salzburg, Austria; Celericon Therapeutics G.m.b.H., Paracelsus Medical University (PMU), Salzburg, Austria
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71
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Xu D, Song M, Chai C, Wang J, Jin C, Wang X, Cheng M, Yan S. Exosome-encapsulated miR-6089 regulates inflammatory response via targeting TLR4. J Cell Physiol 2019; 234:1502-1511. [PMID: 30132861 DOI: 10.1002/jcp.27014] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 06/25/2018] [Indexed: 12/22/2022]
Abstract
Exosome-encapsulated microRNAs (miRNAs) have been identified as potential biomarkers in autoimmune diseases. However, little is known about the role of exosome-delivered miRNAs in rheumatoid arthritis (RA). In this study, we investigated the profile of specific exosomal miRNAs by microarray analysis of serum exosomes from three patients with RA and three healthy controls. Quantitative real-time PCR (qRT-PCR) was performed to validate the aberrantly expressed exosomal miRNAs. A total of 20 exosome-encapsulated miRNAs were identified to be differently expressed in the serum of patients with RA compared with controls. Interestingly, we found that exosome-encapsulated miR-6089 was significantly decreased after validation by qRT-PCR in serum exosomes from 76 patients with RA and 20 controls. Besides, miR-6089 could inhibit lipopolysaccharide (LPS)-induced cell proliferation and activation of macrophage-like THP-1 cells. TLR4 was a direct target for miR-6089. MiR-6089 regulated the generation of IL-6, IL-29, and TNF-α by targetedly controlling TLR4 signaling. In conclusion, exosome-encapsulated miR-6089 regulates LPS/TLR4-mediated inflammatory response, which may serve as a novel, promising biomarker in RA.
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Affiliation(s)
- Donghua Xu
- Clinical Medicine College, Weifang Medical University, Weifang, China
- Department of Rheumatology and Immunology, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Meiyan Song
- Department of Nursing, Yantai Mountain Hospital of Yantai, Yantai, China
| | - Chunxiang Chai
- Department of Rheumatology and Immunology, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Jinghua Wang
- Clinical Medicine College, Weifang Medical University, Weifang, China
- Department of Rheumatology and Immunology, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chengwen Jin
- Functional Laboratory, Clinical Medicine College of Weifang Medical University, Weifang, China
| | - Xiaodong Wang
- Department of Rheumatology and Immunology, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Min Cheng
- Department of Physiology, Weifang Medical University, Weifang, China
| | - Shushan Yan
- Clinical Medicine College, Weifang Medical University, Weifang, China
- Department of Gastrointestinal and Anal Diseases Surgery, The Affiliated Hospital of Weifang Medical University, Weifang, China
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Assessment of the Immunosuppressive Potential of INF-γ Licensed Adipose Mesenchymal Stem Cells, Their Secretome and Extracellular Vesicles. Cells 2019; 8:cells8010022. [PMID: 30621275 PMCID: PMC6356584 DOI: 10.3390/cells8010022] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 12/25/2018] [Accepted: 12/29/2018] [Indexed: 12/11/2022] Open
Abstract
There is an active search for the ideal strategy to potentialize the effects of Mesenchymal Stem-Cells (MSCs) over the immune system. Also, part of the scientific community is seeking to elucidate the therapeutic potential of MSCs secretome and its extracellular vesicles (EVs), in order to avoid the complexity of a cellular therapy. Here, we investigate the effects of human adipose MSCs (AMSCs) licensing with INF-γ and TLR3 agonist over AMSCs proliferation, migration, as well as the immunomodulatory function. Furthermore, we evaluated how the licensing of AMSCs affected the immunomodulatory function of AMSC derived-secretome, including their EVs. INF-γ licensed-AMSCs presented an elevated expression of indoleamine 2,3-dioxygenase (IDO), accompanied by increased ICAM-1, as well as a higher immunosuppressive potential, compared to unlicensed AMSCs. Interestingly, the conditioned medium obtained from INF-γ licensed-AMSCs also revealed a slightly superior immunosuppressive potential, compared to other licensing strategies. Therefore, unlicensed and INF-γ licensed-AMSCs groups were used to isolate EVs. Interestingly, EVs isolated from both groups displayed similar capacity to inhibit T-cell proliferation. EVs isolated from both groups shared similar TGF-β and Galectin-1 mRNA content but only EVs derived from INF-γ licensed-AMSCs expressed IDO mRNA. In summary, we demonstrated that INF-γ licensing of AMSCs provides an immunosuppressive advantage both from a cell-cell contact-dependent perspective, as well as in a cell-free context. Interestingly, EVs derived from unlicensed and INF-γ licensed-AMSCs have similar ability to control activated T-cell proliferation. These results contribute towards the development of new strategies to control the immune response based on AMSCs or their derived products.
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73
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Stem Cell Extracellular Vesicles in Skin Repair. Bioengineering (Basel) 2018; 6:bioengineering6010004. [PMID: 30598033 PMCID: PMC6466099 DOI: 10.3390/bioengineering6010004] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/19/2018] [Accepted: 12/25/2018] [Indexed: 12/13/2022] Open
Abstract
Stem cell extracellular vesicles (EVs) have been widely studied because of their excellent therapeutic potential. EVs from different types of stem cell can improve vascularization as well as aid in the treatment of cancer and neurodegenerative diseases. The skin is a complex organ that is susceptible to various types of injury. Strategies designed to restore epithelial tissues’ integrity with stem cell EVs have shown promising results. Different populations of stem cell EVs are able to control inflammation, accelerate skin cell migration and proliferation, control wound scarring, improve angiogenesis, and even ameliorate signs of skin aging. However, large-scale production of such stem cell EVs for human therapy is still a challenge. This review focuses on recent studies that explore the potential of stem cell EVs in skin wound healing and skin rejuvenation, as well as challenges of their use in therapy.
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74
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Kaur S, Abu-Shahba AG, Paananen RO, Hongisto H, Hiidenmaa H, Skottman H, Seppänen-Kaijansinkko R, Mannerström B. Small non-coding RNA landscape of extracellular vesicles from human stem cells. Sci Rep 2018; 8:15503. [PMID: 30341351 PMCID: PMC6195565 DOI: 10.1038/s41598-018-33899-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/08/2018] [Indexed: 12/13/2022] Open
Abstract
Extracellular vesicles (EVs) are reported to be involved in stem cell maintenance, self-renewal, and differentiation. Due to their bioactive cargoes influencing cell fate and function, interest in EVs in regenerative medicine has rapidly increased. EV-derived small non-coding RNA mimic the functions of the parent stem cells, regulating the maintenance and differentiation of stem cells, controlling the intercellular regulation of gene expression, and eventually affecting the cell fate. In this study, we used RNA sequencing to provide a comprehensive overview of the expression profiles of small non-coding transcripts carried by the EVs derived from human adipose tissue stromal/stem cells (AT-MSCs) and human pluripotent stem cells (hPSCs), both human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSC). Both hPSCs and AT-MSCs were characterized and their EVs were extracted using standard protocols. Small non-coding RNA sequencing from EVs showed that hPSCs and AT-MSCs showed distinct profiles, unique for each stem cell source. Interestingly, in hPSCs, most abundant miRNAs were from specific miRNA families regulating pluripotency, reprogramming and differentiation (miR-17-92, mir-200, miR-302/367, miR-371/373, CM19 microRNA cluster). For the AT-MSCs, the highly expressed miRNAs were found to be regulating osteogenesis (let-7/98, miR-10/100, miR-125, miR-196, miR-199, miR-615-3p, mir-22-3p, mir-24-3p, mir-27a-3p, mir-193b-5p, mir-195-3p). Additionally, abundant small nuclear and nucleolar RNA were detected in hPSCs, whereas Y- and tRNA were found in AT-MSCs. Identification of EV-miRNA and non-coding RNA signatures released by these stem cells will provide clues towards understanding their role in intracellular communication, and well as their roles in maintaining the stem cell niche.
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Affiliation(s)
- Sippy Kaur
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ahmed G Abu-Shahba
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tanta University, Tanta, Egypt
| | - Riku O Paananen
- Helsinki Eye Lab, Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Heidi Hongisto
- Faculty of Medicine and Life Sciences, BioMediTech, University of Tampere, Tampere, Finland
| | - Hanna Hiidenmaa
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Heli Skottman
- Faculty of Medicine and Life Sciences, BioMediTech, University of Tampere, Tampere, Finland
| | - Riitta Seppänen-Kaijansinkko
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Bettina Mannerström
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
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75
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Extracellular Vesicles and Matrix Remodeling Enzymes: The Emerging Roles in Extracellular Matrix Remodeling, Progression of Diseases and Tissue Repair. Cells 2018; 7:cells7100167. [PMID: 30322133 PMCID: PMC6210724 DOI: 10.3390/cells7100167] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/17/2018] [Accepted: 10/12/2018] [Indexed: 12/21/2022] Open
Abstract
Extracellular vesicles (EVs) are membrane enclosed micro- and nano-sized vesicles that are secreted from almost every species, ranging from prokaryotes to eukaryotes, and from almost every cell type studied so far. EVs contain repertoire of bioactive molecules such as proteins (including enzymes and transcriptional factors), lipids, carbohydrates and nucleic acids including DNA, coding and non-coding RNAs. The secreted EVs are taken up by neighboring cells where they release their content in recipient cells, or can sail through body fluids to reach distant organs. Since EVs transport bioactive cargo between cells, they have emerged as novel mediators of extra- and intercellular activities in local microenvironment and inter-organ communications distantly. Herein, we review the activities of EV-associated matrix-remodeling enzymes such as matrix metalloproteinases, heparanases, hyaluronidases, aggrecanases, and their regulators such as extracellular matrix metalloproteinase inducers and tissue inhibitors of metalloproteinases as novel means of matrix remodeling in physiological and pathological conditions. We discuss how such EVs act as novel mediators of extracellular matrix degradation to prepare a permissive environment for various pathological conditions such as cancer, cardiovascular diseases, arthritis and metabolic diseases. Additionally, the roles of EV-mediated matrix remodeling in tissue repair and their potential applications as organ therapies have been reviewed. Collectively, this knowledge could benefit the development of new approaches for tissue engineering.
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76
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Vlăsceanu GM, Amărandi RM, Ioniță M, Tite T, Iovu H, Pilan L, Burns JS. Versatile graphene biosensors for enhancing human cell therapy. Biosens Bioelectron 2018; 117:283-302. [DOI: 10.1016/j.bios.2018.04.053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/18/2018] [Accepted: 04/25/2018] [Indexed: 01/04/2023]
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77
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Cesselli D, Parisse P, Aleksova A, Veneziano C, Cervellin C, Zanello A, Beltrami AP. Extracellular Vesicles: How Drug and Pathology Interfere With Their Biogenesis and Function. Front Physiol 2018; 9:1394. [PMID: 30327618 PMCID: PMC6174233 DOI: 10.3389/fphys.2018.01394] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 09/13/2018] [Indexed: 12/13/2022] Open
Abstract
Extracellular vesicles (EV) are at the center of an intense activity of investigation, both for their possible employment as biomarkers of ongoing pathologic processes and for their broad range of biological activities. EV can promote tissue repair in very different pathologic settings, including hindlimb and myocardial ischemia. Importantly, the exact mode of action of EV is still partly understood, since they may act by modulating growth factors and cytokines, signaling pathways, and by transferring non-coding RNAs to target cells. However, the term EV identifies cell derived, enveloped particles very heterogeneous in size, composition, and biogenesis. Therefore, part of the controversies on the biological effects exerted by EV is a consequence of differences in methods of separation that result in the enrichment of different entities. Since technical challenges still hamper the highly specific sorting of different EV subpopulations, up to now only few investigators have tried to verify differences in the biological effects of specific EV subtypes. This review summarizes the current state of the art on the comprehension of mechanisms involved in EV biogenesis and release, which is a prerequisite for understanding and investigating the impact that pathology and drug therapy may exert on the secretion and composition of EV. Finally, we described both the mechanism involved in the modulation of EV secretion by drugs commonly used in patients affected by heart failure, and how pathophysiological mechanisms involved in heart disease modify EV secretion.
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Affiliation(s)
| | | | - Aneta Aleksova
- Cardiovascular Department, Azienda Sanitaria Universitaria Integrata di Trieste - University of Trieste, Trieste, Italy
| | | | | | - Andrea Zanello
- Department of Medicine, University of Udine, Udine, Italy
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78
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Phan J, Kumar P, Hao D, Gao K, Farmer D, Wang A. Engineering mesenchymal stem cells to improve their exosome efficacy and yield for cell-free therapy. J Extracell Vesicles 2018; 7:1522236. [PMID: 30275938 PMCID: PMC6161586 DOI: 10.1080/20013078.2018.1522236] [Citation(s) in RCA: 193] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 08/08/2018] [Accepted: 08/27/2018] [Indexed: 02/07/2023] Open
Abstract
Through traditional medicine, there were diseases and disorders that previously remained untreated or were simply thought to be incurable. Since the discovery of mesenchymal stem cells (MSCs), there has been a flurry of research to develop MSC-based therapy for diseases and disorders. It is now well-known that MSCs do not typically engraft after transplantation and exhibit their therapeutic effect via a paracrine mechanism. In addition to secretory proteins, MSCs also produce extracellular vesicles (EVs), membrane-bound nanovesicles containing proteins, DNA and RNA. The secreted vesicles then interact with target cells and deliver their contents, imparting their ultimate therapeutic effect. Unlike the widely studied cancer cells, the yield of MSC-exosomes is a limiting factor for large-scale production for cell-free therapies. Here we summarise potential approaches to increase the yield of such vesicles while maintaining or enhancing their efficacy by engineering the extracellular environment and intracellular components of MSCs.
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Affiliation(s)
- Jennifer Phan
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,CIRM Bridges to Stem Cell Research Program, California State University, Sacramento, CA, USA
| | - Priyadarsini Kumar
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,Institute for Paediatric Regenerative Medicine, Shriners Hospital for Children/UC Davis School of Medicine, Sacramento, CA, USA
| | - Dake Hao
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,Institute for Paediatric Regenerative Medicine, Shriners Hospital for Children/UC Davis School of Medicine, Sacramento, CA, USA
| | - Kewa Gao
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,Department of Burn and Plastic Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan, P.R. China
| | - Diana Farmer
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,Institute for Paediatric Regenerative Medicine, Shriners Hospital for Children/UC Davis School of Medicine, Sacramento, CA, USA
| | - Aijun Wang
- Surgical Bioengineering Laboratory, Department of Surgery, University of California, Davis School of Medicine, Sacramento, CA, USA.,Institute for Paediatric Regenerative Medicine, Shriners Hospital for Children/UC Davis School of Medicine, Sacramento, CA, USA
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79
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Qing L, Chen H, Tang J, Jia X. Exosomes and Their MicroRNA Cargo: New Players in Peripheral Nerve Regeneration. Neurorehabil Neural Repair 2018; 32:765-776. [PMID: 30223738 PMCID: PMC6146407 DOI: 10.1177/1545968318798955] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Peripheral nerve injury is a major clinical problem and often results in a poor functional recovery. Despite obvious clinical need, treatment strategies have been largely suboptimal. In the nervous system, exosomes, which are nanosized extracellular vesicles, play a critical role in mediating intercellular communication. More specifically, microRNA carried by exosomes are involved in various key processes such as nerve and vascular regeneration, and exosomes originating from Schwann cells, macrophages, and mesenchymal stem cells can promote peripheral nerve regeneration. In this review, the current knowledge of exosomes' and their miRNA cargo's role in peripheral nerve regeneration are summarized. The possible future roles of exosomes in therapy and the potential for microRNA-containing exosomes to treat peripheral nerve injuries are also discussed.
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Affiliation(s)
- Liming Qing
- Department of Hand & Microsurgery, Xiangya Hospital of
Central South University, Changsha, Hunan, 410008
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD 21201, USA
| | - Huanwen Chen
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD 21201, USA
| | - Juyu Tang
- Department of Hand & Microsurgery, Xiangya Hospital of
Central South University, Changsha, Hunan, 410008
| | - Xiaofeng Jia
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD 21201, USA
- Department of Orthopedics, University of Maryland School of
Medicine, Baltimore, MD 21201, USA
- Department of Anatomy and Neurobiology, University of Maryland
School of Medicine, Baltimore, MD 21201, USA
- Department of Biomedical Engineering, Johns Hopkins University
School of Medicine, Baltimore, MD 21205, USA
- Department of Anesthesiology and Critical Care Medicine, Johns
Hopkins University School of Medicine, Baltimore, MD 21205, USA
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80
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Lung mesenchymal stem cells-derived extracellular vesicles attenuate the inflammatory profile of Cystic Fibrosis epithelial cells. Cell Signal 2018; 51:110-118. [PMID: 30076968 DOI: 10.1016/j.cellsig.2018.07.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 01/15/2023]
Abstract
BACKGROUND Mesenchymal stromal/stem cells (MSCs) are multi-potent non-hematopoietic stem cells, residing in most tissues including the lung. MSCs have been used in therapy of chronic inflammatory lung diseases such as Cystic Fibrosis (CF), asthma, and chronic obstructive pulmonary disease (COPD) but the main beneficial effects reside in the anti-inflammatory potential of the released extracellular vesicles (EVs). Recent reports demonstrate that EVs are effective in animal model of asthma, E.coli pneumonia, lung ischemia-reperfusion, and virus airway infection among others. Despite this growing literature, the EVs effects on CF are largely unexplored. METHODS We treated IB3-1 cells, an in vitro human model of CF, with EVs derived from human lung MSCs under basal and inflammatory conditions (TNFα stimulation). RESULTS We demonstrated here that treatment of IB3-1 CF cell line with EVs, down-regulates transcription and protein expression of pro-inflammatory cytokines such as IL-1β, IL-8, IL-6 under TNFα - stimulated conditions. EVs treatment upregulates the mRNA expression of PPARγ, a transcription factor controlling anti-inflammatory and antioxidant mechanisms via NF-kB and HO-1. Accordingly, NF-kB nuclear translocation is reduced resulting in impairment of the downstream inflammation cascade. In addition, the mRNA of HO-1 is enhanced together with the antioxidant defensive response of the cells. CONCLUSIONS We conclude that the anti-inflammatory and anti-oxidant efficacy of EVs derived from lung MSCs could be mediated by up-regulation of the PPARγ axis, whose down-stream effectors (NF-kB and HO-1) are well-known modulators of these pathways. GENERAL SIGNIFICANCE EVs could be a novel strategy to control the hyper-inflamed condition in Cystic Fibrosis.
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81
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Luo J, Zhao S, Wang J, Luo L, Li E, Zhu Z, Liu Y, Kang R, Zhao Z. Bone marrow mesenchymal stem cells reduce ureteral stricture formation in a rat model via the paracrine effect of extracellular vesicles. J Cell Mol Med 2018; 22:4449-4459. [PMID: 29993184 PMCID: PMC6111875 DOI: 10.1111/jcmm.13744] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/18/2018] [Indexed: 02/06/2023] Open
Abstract
With no effective therapy to prevent or treat ureteral stricture (US), a multifactorial fibrotic disease after iatrogenic injury of the ureter, the need for new therapies is urgent. Mesenchymal stem cells (MSCs) have been widely studied for treating tissue defects and excessive fibrosis, and recent studies established that one of the main therapeutic vectors of MSCs is comprised in their secretome and represented by extracellular vesicles (EVs). Thus, we have determined to explore the specific role of MSCs‐derived EVs (MSC‐EVs) treatment in a pre‐clinical model of US. The results firstly showed that either a bolus dose of MSCs or a bolus dose of MSC‐EVs (administration via renal‐arterial) significantly ameliorated ureteral fibrosis and recuperated ureter morphological development in a US rat model. We confirmed our observations through MSCs or MSC‐EVs treatment alleviated hydronephrosis, less renal dysfunction and blunted transforming growth factor‐β1 induced fibration. Due to MSC‐EVs are the equivalent dose of MSCs, and similar curative effects of transplantation of MSCs and MSC‐EVs were observed, we speculated the curative effect of MSCs in treating US might on account of the release of EVs through paracrine mechanisms. Our study demonstrated an innovative strategy to counteract ureteral stricture formation in a rat model of US.
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Affiliation(s)
- Jintai Luo
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shankun Zhao
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiamin Wang
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lianmin Luo
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ermao Li
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhiguo Zhu
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yangzhou Liu
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ran Kang
- Department of Urology, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Zhigang Zhao
- Department of Urology & Andrology, Minimally Invasive Surgery Center, Guangdong Provincial Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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82
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Ren J, Ding L, Zhang D, Shi G, Xu Q, Shen S, Wang Y, Wang T, Hou Y. Carcinoma-associated fibroblasts promote the stemness and chemoresistance of colorectal cancer by transferring exosomal lncRNA H19. Theranostics 2018; 8:3932-3948. [PMID: 30083271 PMCID: PMC6071523 DOI: 10.7150/thno.25541] [Citation(s) in RCA: 495] [Impact Index Per Article: 82.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 05/28/2018] [Indexed: 12/11/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are involved in the pathology of various tumors, including colorectal cancer (CRC). The crosstalk between carcinoma- associated fibroblasts (CAFs) and cancer cells in the tumor microenvironment promotes tumor development and confers chemoresistance. In this study, we further investigated the underlying tumor-promoting roles of CAFs and the molecular mediators involved in these processes. Methods: The AOM/DSS-induced colitis-associated cancer (CAC) mouse model was established, and RNA sequencing was performed. Small interfering RNA (siRNA) sequences were used to knock down H19. Cell apoptosis was measured by flow cytometry. SW480 cells with H19 stably knocked down were used to establish a xenograft model. The indicated protein levels in xenograft tumor tissues were confirmed by immunohistochemistry assay, and cell apoptosis was analyzed by TUNEL apoptosis assay. RNA-FISH and immunofluorescence assays were performed to assess the expression of H19 in tumor stroma and cancer nests. The AldeRed ALDH detection assay was performed to detect intracellular aldehyde dehydrogenase (ALDH) enzyme activity. Isolated exosomes were identified by transmission electron microscopy, nanoparticle tracking and Western blotting. Results: H19 was highly expressed in the tumor tissues of CAC mice compared with the expression in normal colon tissues. The up-regulation of H19 was also confirmed in CRC patient samples at different tumor node metastasis (TNM) stages. Moreover, H19 was associated with the stemness of colorectal cancer stem cells (CSCs) in CRC specimens. H19 promoted the stemness of CSCs and increased the frequency of tumor-initiating cells. RNA-FISH showed higher expression of H19 in tumor stroma than in cancer nests. Of note, H19 was enriched in CAF-derived conditioned medium and exosomes, which in turn promoted the stemness of CSCs and the chemoresistance of CRC cells in vitro and in vivo. Furthermore, H19 activated the β-catenin pathway via acting as a competing endogenous RNA sponge for miR-141 in CRC, while miR-141 significantly inhibited the stemness of CRC cells. Conclusion: CAFs promote the stemness and chemoresistance of CRC by transferring exosomal H19. H19 activated the β-catenin pathway via acting as a competing endogenous RNA sponge for miR-141, while miR-141 inhibited the stemness of CRC cells. Our findings indicate that H19 expressed by CAFs of the colorectal tumor stroma contributes to tumor development and chemoresistance.
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83
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Fiore EJ, Domínguez LM, Bayo J, García MG, Mazzolini GD. Taking advantage of the potential of mesenchymal stromal cells in liver regeneration: Cells and extracellular vesicles as therapeutic strategies. World J Gastroenterol 2018; 24:2427-2440. [PMID: 29930465 PMCID: PMC6010941 DOI: 10.3748/wjg.v24.i23.2427] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/08/2018] [Accepted: 06/02/2018] [Indexed: 02/06/2023] Open
Abstract
Cell-based therapies for acute and chronic liver diseases are under continuous progress. Mesenchymal stem/stromal cells (MSCs) are multipotent cells able to migrate selectively to damaged tissue and contribute to its healing and regeneration. The MSC pro-regenerative effect occurs due to their immunomodulatory capacity and their ability to produce factors that promote cell protection and survival. Likewise, it has been observed that part of their paracrine effect is mediated by MSC-derived extracellular vesicles (EVs). EVs contain proteins, lipids and nucleic acids (DNA, mRNA, miRNA, lncRNA) from the cell of origin, allowing for intercellular communication. Recently, different studies have demonstrated that MSC-derived EVs could reproduce, at least in part, the biological effects obtained by MSC-based therapies. Moreover, due to EVs' stability for long periods of time and easy isolation methods they have become a therapeutic option to MSCs treatments. This review summarizes the latest results achieved in clinical trials using MSCs as cell therapy for liver regeneration, the role of EVs in liver physiopathology and the potential of MSCderived EVs as intercellular mediators and therapeutic tools in liver diseases.
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Affiliation(s)
- Esteban Juan Fiore
- Laboratory of Gene Therapy, Instituto de Investigaciones en Medicina Traslacional, CONICET-Universidad Austral, Buenos Aires 999071, Argentina
| | - Luciana María Domínguez
- Laboratory of Gene Therapy, Instituto de Investigaciones en Medicina Traslacional, CONICET-Universidad Austral, Buenos Aires 999071, Argentina
| | - Juan Bayo
- Laboratory of Gene Therapy, Instituto de Investigaciones en Medicina Traslacional, CONICET-Universidad Austral, Buenos Aires 999071, Argentina
| | - Mariana Gabriela García
- Laboratory of Gene Therapy, Instituto de Investigaciones en Medicina Traslacional, CONICET-Universidad Austral, Buenos Aires 999071, Argentina
| | - Guillermo Daniel Mazzolini
- Laboratory of Gene Therapy, Instituto de Investigaciones en Medicina Traslacional, CONICET-Universidad Austral, Buenos Aires 999071, Argentina
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84
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Oh M, Lee J, Kim YJ, Rhee WJ, Park JH. Exosomes Derived from Human Induced Pluripotent Stem Cells Ameliorate the Aging of Skin Fibroblasts. Int J Mol Sci 2018; 19:ijms19061715. [PMID: 29890746 PMCID: PMC6032439 DOI: 10.3390/ijms19061715] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/06/2018] [Accepted: 06/07/2018] [Indexed: 12/26/2022] Open
Abstract
Stem cells and their paracrine factors have emerged as a resource for regenerative medicine. Many studies have shown the beneficial effects of paracrine factors secreted from adult stem cells, such as exosomes, on skin aging. However, to date, few reports have demonstrated the use of exosomes derived from human pluripotent stem cells for the treatment of skin aging. In this study, we collected exosomes from the conditioned medium of human induced pluripotent stem cells (iPSCs) and investigated the effect on aged human dermal fibroblasts (HDFs). Cell proliferation and viability were determined by an MTT assay and cell migration capacity was shown by a scratch wound assay and a transwell migration assay. To induce photoaging and natural senescence, HDFs were irradiated by UVB (315 nm) and subcultured for over 30 passages, respectively. The expression level of certain mRNAs was evaluated by quantitative real-time PCR (qPCR). Senescence-associated-β-galactosidase (SA-β-Gal) activity was assessed as a marker of natural senescence. As a result, we found that exosomes derived from human iPSCs (iPSCs-Exo) stimulated the proliferation and migration of HDFs under normal conditions. Pretreatment with iPSCs-Exo inhibited the damages of HDFs and overexpression of matrix-degrading enzymes (MMP-1/3) caused by UVB irradiation. The iPSCs-Exo also increased the expression level of collagen type I in the photo-aged HDFs. In addition, we demonstrated that iPSCs-Exo significantly reduced the expression level of SA-β-Gal and MMP-1/3 and restored the collagen type I expression in senescent HDFs. Taken together, it is anticipated that these results suggest a therapeutic potential of iPSCs-Exo for the treatment of skin aging.
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Affiliation(s)
- Myeongsik Oh
- Department of Medical Biomaterials Engineering, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Gangwon-do 24341, Korea.
| | - Jinhee Lee
- Division of Bioengineering, Incheon National University, Incheon 22012, Korea.
| | - Yu Jin Kim
- Department of Medical Biomaterials Engineering, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Gangwon-do 24341, Korea.
| | - Won Jong Rhee
- Division of Bioengineering, Incheon National University, Incheon 22012, Korea.
| | - Ju Hyun Park
- Department of Medical Biomaterials Engineering, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Gangwon-do 24341, Korea.
- Institute of Bioscience and Biotechnology, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Gangwon-do 24341, Korea.
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85
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Extracellular Vesicles: A New Prospective in Crosstalk between Microenvironment and Stem Cells in Hematological Malignancies. Stem Cells Int 2018; 2018:9863194. [PMID: 29977309 PMCID: PMC5994264 DOI: 10.1155/2018/9863194] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/31/2018] [Indexed: 02/06/2023] Open
Abstract
The bone marrow (BM) microenvironment in hematological malignancies (HMs) comprises heterogeneous populations of neoplastic and nonneoplastic cells. Cancer stem cells (CSCs), neoplastic cells, hematopoietic stem cells (HSCs), and mesenchymal stromal/stem cells (MSCs) are all components of this microenvironment. CSCs are the HM initiators and are associated with neoplastic growth and drug resistance, while HSCs are able to reconstitute the entire hematopoietic system; finally, MSCs actively support hematopoiesis. In some HMs, CSCs and neoplastic cells compromise the normal development of HSCs and perturb BM-MSCs. In response, "reprogrammed" MSCs generate a favorable environment to support neoplastic cells. Extracellular vesicles (EVs) are an important cell-to-cell communication type in physiological and pathological conditions. In particular, in HMs, EV secretion participates to unidirectional and bidirectional interactions between neoplastic cells and BM cells. The transfer of EV molecular cargo triggers different responses in target cells; in particular, malignant EVs modify the BM environment in favor of neoplastic cells at the expense of normal HSCs, by interfering with antineoplastic immunity and participating in resistance to treatment. Here, we review the role of EVs in BM cell communication in physiological conditions and in HMs, focusing on the effects of BM niche EVs on HSCs and MSCs.
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86
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Identification of RNA-binding proteins in exosomes capable of interacting with different types of RNA: RBP-facilitated transport of RNAs into exosomes. PLoS One 2018; 13:e0195969. [PMID: 29689087 PMCID: PMC5918169 DOI: 10.1371/journal.pone.0195969] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 04/03/2018] [Indexed: 02/07/2023] Open
Abstract
The RNA that is packaged into exosomes is termed as exosomal-shuttle RNA (esRNA); however, the players, which take this subset of RNA (esRNA) into exosomes, remain largely unknown. We hypothesized that RNA binding proteins (RBPs) could serve as key players in this mechanism, by making complexes with RNAs and transporting them into exosomes during the biosynthesis of exosomes. Here, we demonstrate the presence of 30 RBPs in exosomes that were shown to form RNA-RBP complexes with both cellular RNA and exosomal-RNA species. To assess the involvement of these RBPs in RNA-transfer into exosomes, the gene transcripts encoding six of the proteins identified in exosomes (HSP90AB1, XPO5, hnRNPH1, hnRNPM, hnRNPA2B1, and MVP) were silenced by siRNA and subsequent effect on esRNA was assessed. A significant reduction of total esRNA was observed by post-transcriptional silencing of MVP, compared to other RBPs. Furthermore, to confirm the binding of MVP with esRNA, a biotinylated-MVP was transiently expressed in HEK293F cells. Higher levels of esRNA were recovered from MVP that was eluted from exosomes of transfected cells, as compared to those of non-transfected cells. Our data indicate that these RBPs could end up in exosomes together with RNA molecules in the form of RNA-ribonucleoprotein complexes, which could be important for the transport of RNAs into exosomes and the maintenance of RNAs inside exosomes. This type of maintenance may favor the shuttling of RNAs from exosomes to recipient cells in the form of stable complexes.
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87
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Zöller M. Janus-Faced Myeloid-Derived Suppressor Cell Exosomes for the Good and the Bad in Cancer and Autoimmune Disease. Front Immunol 2018; 9:137. [PMID: 29456536 PMCID: PMC5801414 DOI: 10.3389/fimmu.2018.00137] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 01/16/2018] [Indexed: 12/22/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells originally described to hamper immune responses in chronic infections. Meanwhile, they are known to be a major obstacle in cancer immunotherapy. On the other hand, MDSC can interfere with allogeneic transplant rejection and may dampen autoreactive T cell activity. Whether MDSC-Exosomes (Exo) can cope with the dangerous and potentially therapeutic activities of MDSC is not yet fully explored. After introducing MDSC and Exo, it will be discussed, whether a blockade of MDSC-Exo could foster the efficacy of immunotherapy in cancer and mitigate tumor progression supporting activities of MDSC. It also will be outlined, whether application of native or tailored MDSC-Exo might prohibit autoimmune disease progression. These considerations are based on the steadily increasing knowledge on Exo composition, their capacity to distribute throughout the organism combined with selectivity of targeting, and the ease to tailor Exo and includes open questions that answers will facilitate optimizing protocols for a MDSC-Exo blockade in cancer as well as for strengthening their therapeutic efficacy in autoimmune disease.
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Affiliation(s)
- Margot Zöller
- Tumor Cell Biology, University Hospital of Surgery, University of Heidelberg, Heidelberg, Germany
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88
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Nawaz M. Extracellular vesicle-mediated transport of non-coding RNAs between stem cells and cancer cells: implications in tumor progression and therapeutic resistance. Stem Cell Investig 2017; 4:83. [PMID: 29167804 DOI: 10.21037/sci.2017.10.04] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 10/17/2017] [Indexed: 12/20/2022]
Abstract
Recent years have witnessed intensive progress in studying extracellular vesicles (EVs), both for understanding their basic biology and contribution to variety of diseases, biomarker discovery, and their potential as gene delivery vectors and source of innovative therapies. As such, stem cell-derived EVs have contributed significant knowledge which led to the development of cell-free therapies in regenerative medicine. Although, the role of stem cell-derived EVs in maintaining stemness, differentiation and repairing tissue injuries is relatively well-understood; however, knowledge about the contribution of stem cell-derived EVs in cancer progression is just emerging. The aim of this review is, therefore, to discuss the recent developments in stem cell-derived EVs and tumor progression, placing a particular focus on non-coding RNA (ncRNA) mediated cancer progression and resistance against therapies. This includes the failure of normal hematopoiesis and the progression of myeloid neoplasms, enhanced capacity of cancer cells to proliferate and metastasize, and the conversion of normal cells into cancer cells, activation of angiogenic pathways and dormancy in cancer cells. These processes are shared by mesenchymal stem cells (MSCs), cancer stem like-cells and cancer cells in an intricate intratumoral network in order to create self-strengthening tumor niche. In this context, EV-ncRNAs serve as mediators to relay bystander effects of secreting cancer stem cells (CSCs) into recipient cells for priming a tumor permissive environment and relaying therapeutic resistance. Collectively, this knowledge will improve our understandings and approaches in finding new therapeutic targets in the context of CSCs, which could be benefited through engineering EVs for innovative therapies.
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Affiliation(s)
- Muhammad Nawaz
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Pathology and Forensic Medicine, Ribeirão Preto Medical School, University of São Paulo, Brazil
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