1001
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Crain SK, Robinson SR, Thane KE, Davis AM, Meola DM, Barton BA, Yang VK, Hoffman AM. Extracellular Vesicles from Wharton's Jelly Mesenchymal Stem Cells Suppress CD4 Expressing T Cells Through Transforming Growth Factor Beta and Adenosine Signaling in a Canine Model. Stem Cells Dev 2019; 28:212-226. [PMID: 30412034 DOI: 10.1089/scd.2018.0097] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are widely investigated as potential therapeutic agents due to their potent immunomodulatory capacity. Although specific mechanisms by which MSC acts on immune cells are emerging, many questions remain, including the potential of extracellular vesicles (EVs) to mediate biological activities. Canine MSCs are of interest for both veterinary and comparative models of disease and have been shown to suppress CD4pos T cell proliferation. The aim of this study was to determine whether EV isolated from canine Wharton's jelly-derived MSC (WJ-MSC EV) suppresses CD4pos T cell proliferation using biochemical mechanisms previously ascribed to soluble mediators [transforming growth factor beta (TGF-β) and adenosine]. WJ-MSC EV exhibited mode of 125 nm diameter, low buoyant density (1.1 g/mL), and expression of EV proteins Alix and TSG101. Functionally, EVs inhibited CD4pos T cell proliferation in a dose-dependent manner, which was absent in EV-depleted samples and EVs from non-MSC fibroblasts. EV suppression of CD4pos T cell proliferation was inhibited by a TGF-βRI antagonist, neutralizing antibodies to TGF-β, or A2A adenosine receptor blockade. TGF-β was present on EVs as latent complexes most likely tethered to EV membrane by betaglycan. These data demonstrate that canine WJ-MSC EV utilizes TGF-β and adenosine signaling to suppress proliferation of CD4pos T cell and will enable further investigation into mechanisms of immune cell modulation, as well as refinement of WJ-MSC and their EVs for therapeutic application.
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Affiliation(s)
- Sarah K Crain
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Sally R Robinson
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Kristen E Thane
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Airiel M Davis
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Dawn M Meola
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Bruce A Barton
- 2 Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, Massachusetts
| | - Vicky K Yang
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
| | - Andrew M Hoffman
- 1 Regenerative Medicine Laboratory, Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, Massachusetts
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1002
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The Fate of Transplanted Periodontal Ligament Stem Cells in Surgically Created Periodontal Defects in Rats. Int J Mol Sci 2019; 20:ijms20010192. [PMID: 30621073 PMCID: PMC6337301 DOI: 10.3390/ijms20010192] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/25/2018] [Accepted: 12/28/2018] [Indexed: 12/19/2022] Open
Abstract
Periodontal disease is chronic inflammation that leads to the destruction of tooth-supporting periodontal tissues. We devised a novel method (“cell transfer technology”) to transfer cells onto a scaffold surface and reported the potential of the technique for regenerative medicine. The aim of this study is to examine the efficacy of this technique in periodontal regeneration and the fate of transplanted cells. Human periodontal ligament stem cells (PDLSCs) were transferred to decellularized amniotic membrane and transplanted into periodontal defects in rats. Regeneration of tissues was examined by microcomputed tomography and histological observation. The fate of transplanted PDLSCs was traced using PKH26 and human Alu sequence detection by PCR. Imaging showed more bone in PDLSC-transplanted defects than those in control (amnion only). Histological examination confirmed the enhanced periodontal tissue formation in PDLSC defects. New formation of cementum, periodontal ligament, and bone were prominently observed in PDLSC defects. PKH26-labeled PDLSCs were found at limited areas in regenerated periodontal tissues. Human Alu sequence detection revealed that the level of Alu sequence was not increased, but rather decreased. This study describes a novel stem cell transplantation strategy for periodontal disease using the cell transfer technology and offers new insight for cell-based periodontal regeneration.
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1003
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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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1004
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Chen L, Qu J, Xiang C. The multi-functional roles of menstrual blood-derived stem cells in regenerative medicine. Stem Cell Res Ther 2019; 10:1. [PMID: 30606242 PMCID: PMC6318883 DOI: 10.1186/s13287-018-1105-9] [Citation(s) in RCA: 278] [Impact Index Per Article: 55.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Menstrual blood-derived stem cells (MenSCs) are a novel source of mesenchymal stem cells (MSCs). MenSCs are attracting more and more attention since their discovery in 2007. MenSCs also have no moral dilemma and show some unique features of known adult-derived stem cells, which provide an alternative source for the research and application in regenerative medicine. Currently, people are increasingly interested in their clinical potential due to their high proliferation, remarkable versatility, and periodic acquisition in a non-invasive manner with no other sources of MSCs that are comparable in adult tissue. In this review, the plasticity of pluripotent biological characteristics, immunophenotype and function, differentiative potential, and immunomodulatory properties are assessed. Furthermore, we also summarize their therapeutic effects and functional characteristics in various diseases, including liver disease, diabetes, stroke, Duchenne muscular dystrophy, ovarian-related disease, myocardial infarction, Asherman syndrome, Alzheimer’s disease, acute lung injury, cutaneous wound, endometriosis, and neurodegenerative diseases. Subsequently, the clinical potential of MenSCs is investigated. There is a need for a deeper understanding of its immunomodulatory and diagnostic properties with safety concern on a variety of environmental conditions (such as epidemiological backgrounds, age, hormonal status, and pre-contraceptive). In summary, MenSC has a great potential for reducing mortality and improving the quality of life of severe patients. As a kind of adult stem cells, MenSCs have multiple properties in treating a variety of diseases in regenerative medicine for future clinical applications.
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Affiliation(s)
- Lijun Chen
- The Key Laboratory of Protein Chemistry and Developmental Biology of Ministry of Education, College of Life Sciences, Hunan Normal University, Changsha, 410081, China.,State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, China
| | - Jingjing Qu
- Lung Cancer and Gastroenterology Department, Hunan Cancer Hospital, Affiliated Tumor Hospital of Xiangya Medical School of Central South University, Changsha, 410008, China
| | - Charlie Xiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, China.
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1005
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Rossetti D, Di Angelo Antonio S, Lukanović D, Kunic T, Certelli C, Vascone C, Sleiman Z. Human umbilical cord-derived mesenchymal stem cells: Current trends and future perspectives. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2019. [DOI: 10.4103/2305-0500.259166] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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1006
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Abstract
Exosomes derived from human mesenchymal stem cells (MSCs) engineered to express the suicide gene yeast cytosine deaminase::uracil phosphoribosyl transferase (yCD::UPRT) represent a new therapeutic approach for tumor-targeted innovative therapy. The yCD::UPRT-MSC-exosomes carry mRNA of the suicide gene in their cargo. Upon internalization by tumor cells, the exosomes inhibit the growth of broad types of cancer cells in vitro, in the presence of a prodrug. Here we describe the method leading to the production and testing of these therapeutic exosomes. The described steps include the preparation of replication-deficient retrovirus possessing the yCD::UPRT suicide gene, and the preparation and selection of MSCs transduced with yCD::UPRT suicide gene. We present procedures to obtain exosomes possessing the ability to induce the death of tumor cells. In addition, we highlight methods for the evaluation of the suicide gene activity of yCD::UPRT-MSC-exosomes.
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Affiliation(s)
- Cestmir Altaner
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia.
- Stem Cell Preparation Department, St. Elizabeth Cancer Institute, Bratislava, Slovakia.
| | - Ursula Altanerova
- Stem Cell Preparation Department, St. Elizabeth Cancer Institute, Bratislava, Slovakia
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1007
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Burgess JK, Heijink IH. Paving the Road for Mesenchymal Stem Cell-Derived Exosome Therapy in Bronchopulmonary Dysplasia and Pulmonary Hypertension. STEM CELL-BASED THERAPY FOR LUNG DISEASE 2019. [PMCID: PMC7122497 DOI: 10.1007/978-3-030-29403-8_8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bronchopulmonary dysplasia (BPD) is a chronic neonatal lung disease characterized by inflammation and arrest of alveolarization. Its common sequela, pulmonary hypertension (PH), presents with elevated pulmonary vascular resistance associated with remodeling of the pulmonary arterioles. Despite notable advancements in neonatal medicine, there is a severe lack of curative treatments to help manage the progressive nature of these diseases. Numerous studies in preclinical models of BPD and PH have demonstrated that therapies based on mesenchymal stem/stromal cells (MSCs) can resolve pulmonary inflammation and ameliorate the severity of disease. Recent evidence suggests that novel, cell-free approaches based on MSC-derived exosomes (MEx) might represent a compelling therapeutic alternative offering major advantages over treatments based on MSC transplantation. Here, we will discuss the development of MSC-based therapies, stressing the centrality of paracrine action as the actual vector of MSC therapeutic functionality, focusing on MEx. We will briefly present our current understanding of the biogenesis and secretion of MEx, and discuss potential mechanisms by which they afford such beneficial effects, including immunomodulation and restoration of homeostasis in diseased states. We will also review ongoing clinical trials using MSCs as treatment for BPD that pave the way for bringing cell-free, MEx-based therapeutics from the bench to the NICU setting.
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Affiliation(s)
- Janette K. Burgess
- The University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, The Netherlands
| | - Irene H. Heijink
- The University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, The Netherlands
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1008
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Li Y, Yin P, Guo Z, Lv H, Deng Y, Chen M, Gu Y, Tang P, Zhang L. Bone-Derived Extracellular Vesicles: Novel Players of Interorgan Crosstalk. Front Endocrinol (Lausanne) 2019; 10:846. [PMID: 31920965 PMCID: PMC6914759 DOI: 10.3389/fendo.2019.00846] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 11/20/2019] [Indexed: 12/29/2022] Open
Abstract
An increasing number of studies have shown that bone plays an active role in regulating glucose metabolism, affects renal, and cardiovascular diseases and even influences the development of offspring. These novel findings have indicated that bone plays a much more important role in the human body than only providing physical support. However, further investigations of the mechanisms underlying the effects of bone are needed. Recently, extracellular vesicles (EVs) have received increased attention because they can transfer functional proteins, mRNAs, and miRNAs between cells/organs. After reviewing the existing evidence, we hypothesized that bone may be involved in interorgan communication via EVs. Further research exploring bone-derived EVs may facilitate the understanding of bone as a multifunctional organ.
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1009
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Shwetha HR, Smitha T. Dichotomy of exosomes in oral squamous cell carcinoma: Prey or play! J Oral Maxillofac Pathol 2019; 23:172-175. [PMID: 31516218 PMCID: PMC6714256 DOI: 10.4103/jomfp.jomfp_198_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Exosomes are nano-sized particles which belong to the family of extracellular vesicles (EVs) that are produced in the endosomal compartment of those cells which mediate intercellular communication. These particles can be found abundantly in the biological body fluids such as urine, blood, saliva, cerebrospinal fluid and breast milk. These vesicles can transfer genetic materials such as the microRNAs, noncoding RNAs, DNA and lipids by means of direct or indirect cell-to-cell interaction. Consequently, there has been lot of growing interest related to cancer exosomes as biomarkers and as potential therapeutics. There are studies done which demonstrate the exosomes in relation to cancer, by targeting specific cells and also promote the tumor progression. The other part of the spectrum has stressed the importance of exosomes stability and its potential role in targeting cancer cells through drug delivery system of anticancer molecules. The dichotomy allied with exosomes and their role in oral squamous cell carcinoma biomarkers or as therapy enhancement will be highlighted.
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Affiliation(s)
- H R Shwetha
- Department of Oral Pathology, MMNGH Institute of Dental Science, Belgaum, Karnataka, India
| | - T Smitha
- Department of Oral Pathology, VSDC, Bengaluru, Karnataka, India
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1010
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Reza-Zaldivar EE, Hernández-Sapiéns MA, Gutiérrez-Mercado YK, Sandoval-Ávila S, Gomez-Pinedo U, Márquez-Aguirre AL, Vázquez-Méndez E, Padilla-Camberos E, Canales-Aguirre AA. Mesenchymal stem cell-derived exosomes promote neurogenesis and cognitive function recovery in a mouse model of Alzheimer's disease. Neural Regen Res 2019; 14:1626-1634. [PMID: 31089063 PMCID: PMC6557105 DOI: 10.4103/1673-5374.255978] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Studies have shown that mesenchymal stem cell-derived exosomes can enhance neural plasticity and improve cognitive impairment. The purpose of this study was to investigate the effects of mesenchymal stem cell-derived exosomes on neurogenesis and cognitive capacity in a mouse model of Alzheimer’s disease. Alzheimer’s disease mouse models were established by injection of beta amyloid 1−42 aggregates into dentate gyrus bilaterally. Morris water maze and novel object recognition tests were performed to evaluate mouse cognitive deficits at 14 and 28 days after administration. Afterwards, neurogenesis in the subventricular zone was determined by immunofluorescence using doublecortin and PSA-NCAM antibodies. Results showed that mesenchymal stem cells-derived exosomes stimulated neurogenesis in the subventricular zone and alleviated beta amyloid 1−42-induced cognitive impairment, and these effects are similar to those shown in the mesenchymal stem cells. These findings provide evidence to validate the possibility of developing cell-free therapeutic strategies for Alzheimer’s disease. All procedures and experiments were approved by Institutional Animal Care and Use Committee (CICUAL) (approval No. CICUAL 2016-011) on April 25, 2016.
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Affiliation(s)
- Edwin E Reza-Zaldivar
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Mercedes A Hernández-Sapiéns
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Yanet K Gutiérrez-Mercado
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Sergio Sandoval-Ávila
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Ulises Gomez-Pinedo
- Regenerative Medicine Unit, Neuroscience Institute, Department of Neurosurgery and Neurology, IdISSC Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Ana L Márquez-Aguirre
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Estefanía Vázquez-Méndez
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Eduardo Padilla-Camberos
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Alejandro A Canales-Aguirre
- Unidad de Evaluación Preclínica, Unidad de Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
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1011
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Khare D, Or R, Resnick I, Barkatz C, Almogi-Hazan O, Avni B. Mesenchymal Stromal Cell-Derived Exosomes Affect mRNA Expression and Function of B-Lymphocytes. Front Immunol 2018; 9:3053. [PMID: 30622539 PMCID: PMC6308164 DOI: 10.3389/fimmu.2018.03053] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 12/10/2018] [Indexed: 02/06/2023] Open
Abstract
Background: Bone marrow mesenchymal stem cells (bmMSC) may play a role in the regulation of maturation, proliferation, and functional activation of lymphocytes, though the exact mechanisms are unknown. MSC-derived exosomes induce a regulatory response in the function of B, T, and monocyte-derived dendritic cells. Here, we evaluated the specific inhibition of human lymphocytes by bmMSC-derived exosomes and the effects on B-cell function. Methods: Exosomes were isolated from culture media of bmMSC obtained from several healthy donors. The effect of purified bmMSC-derived exosomes on activated peripheral blood mononuclear cells (PBMCs) and isolated B and T lymphocyte proliferation was measured by carboxyfluorescein succinimidyl ester assay. Using the Illumina sequencing platform, mRNA profiling was performed on B-lymphocytes activated in the presence or absence of exosomes. Ingenuity® pathway analysis software was applied to analyze pathway networks, and biological functions of the differentially expressed genes. Validation by RT-PCR was performed. The effect of bmMSC-derived exosomes on antibody secretion was measured by ELISA. Results: Proliferation of activated PBMCs or isolated T and B cells co-cultured with MSC-derived exosomes decreased by 37, 23, and 18%, respectively, compared to controls. mRNA profiling of activated B-lymphocytes revealed 186 genes that were differentially expressed between exosome-treated and control cells. We observed down- and up-regulation of genes that are involved in cell trafficking, development, hemostasis, and immune cell function. RNA-Seq results were validated by real time PCR analysis for the expression of CXCL8 (IL8) and MZB1 genes that are known to have an important role in immune modulation. Functional alterations were confirmed by decreased IgM production levels. Consistent results were demonstrated among a wide variety of healthy human bmMSC donors. Conclusion: Our data show that exosomes may play an important role in immune regulation. They inhibit proliferation of several types of immune cells. In B-lymphocytes they modulate cell function by exerting differential expression of the mRNA of relevant genes. The results of this study help elucidate the mechanisms by which exosomes induce immune regulation and may contribute to the development of newer and safer therapeutic strategies.
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Affiliation(s)
- Drirh Khare
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Reuven Or
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Igor Resnick
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Claudine Barkatz
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Osnat Almogi-Hazan
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Batia Avni
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.,Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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1012
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Different pro-angiogenic potential of γ-irradiated PBMC-derived secretome and its subfractions. Sci Rep 2018; 8:18016. [PMID: 30573762 PMCID: PMC6301954 DOI: 10.1038/s41598-018-36928-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 11/27/2018] [Indexed: 12/11/2022] Open
Abstract
Secretomes from various cell sources exert strong regenerative activities on numerous organs, including the skin. Although secretomes consist of many diverse components, a growing body of evidence suggests that small extracellular vesicles (EVs) account for their regenerative capacity. We previously demonstrated that the secretome of γ-irradiated peripheral blood mononuclear cells (PBMCs) exhibits wound healing capacity. Therefore, we sought to dissect the molecular composition of EVs present in the secretome and compared wound healing-related activities of these EVs to other subfractions of the secretome and the fully supplemented secretome (MNCaposec). Compared to EVs derived from non-irradiated PBMCs, γ-irradiation significantly increased the size and number and changed the composition of released EVs. Detailed characterization of the molecular components of EVs, i.e. miRNA, proteins, and lipids, derived from irradiated PBMCs revealed a strong association with regenerative processes. Reporter gene assays and aortic ring sprouting assays revealed diminished activity of the subfractions compared to MNCaposec. In addition, we showed that MNCaposec accelerated wound closure in a diabetic mouse model. Taken together, our results suggest that secretome-based wound healing represents a promising new therapeutic avenue, and strongly recommend using the complete secretome instead of purified subfractions, such as EVs, to exploit its full regenerative capacity.
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1013
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Zhu Z, Zhang Y, Zhang Y, Zhang H, Liu W, Zhang N, Zhang X, Zhou G, Wu L, Hua K, Ding J. Exosomes derived from human umbilical cord mesenchymal stem cells accelerate growth of VK2 vaginal epithelial cells through MicroRNAsin vitro. Hum Reprod 2018; 34:248-260. [PMID: 30576496 DOI: 10.1093/humrep/dey344] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 10/30/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Zhongyi Zhu
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Yijing Zhang
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- Shanghai Ji Ai Genetics & IVF Institute, Shanghai, China
| | - Yiqun Zhang
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Hongdao Zhang
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Shanghai, China
| | - Wei Liu
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Shanghai, China
| | - Ning Zhang
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Xiaodan Zhang
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Guannan Zhou
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Ligang Wu
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Shanghai, China
| | - Keqin Hua
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Jingxin Ding
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
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1014
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Catry J, Luong-Nguyen M, Arakelian L, Poghosyan T, Bruneval P, Domet T, Michaud L, Sfeir R, Gottrand F, Larghero J, Vanneaux V, Cattan P. Circumferential Esophageal Replacement by a Tissue-engineered Substitute Using Mesenchymal Stem Cells: An Experimental Study in Mini Pigs. Cell Transplant 2018; 26:1831-1839. [PMID: 29390879 PMCID: PMC5802636 DOI: 10.1177/0963689717741498] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Tissue engineering appears promising as an alternative technique for esophageal replacement. Mesenchymal stem cells (MSCs) could be of interest for esophageal regeneration. Evaluation of the ability of an acellular matrix seeded with autologous MSCs to promote tissue remodeling toward an esophageal phenotype after circumferential replacement of the esophagus in a mini pig model. A 3 cm long circumferential replacement of the abdominal esophagus was performed with an MSC-seeded matrix (MSC group, n = 10) versus a matrix alone (control group, n = 10), which has previously been matured into the great omentum. The graft area was covered with an esophageal removable stent. A comparative histological analysis of the graft area after animals were euthanized sequentially is the primary outcome of the study. Histological findings after maturation, overall animal survival, and postoperative morbidity were also compared between groups. At postoperative day 45 (POD 45), a mature squamous epithelium covering the entire surface of the graft area was observed in all the MSC group specimens but in none of the control group before POD 95. Starting at POD 45, desmin positive cells were seen in the graft area in the MSC group but never in the control group. There were no differences between groups in the incidence of surgical complications and postoperative death. In this model, MSCs accelerate the mature re-epitheliazation and early initiation of muscle cell colonization. Further studies will focus on the use of cell tracking tools in order to analyze the becoming of these cells and the mechanisms involved in this tissue regeneration.
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Affiliation(s)
- Jonathan Catry
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,2 Department of Digestive and Endocrine Surgery, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Minh Luong-Nguyen
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,2 Department of Digestive and Endocrine Surgery, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Lousineh Arakelian
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France
| | - Tigran Poghosyan
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,2 Department of Digestive and Endocrine Surgery, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Patrick Bruneval
- 4 Department of Pathology, AP-HP, Georges Pompidou European Hospital, Paris, France
| | - Thomas Domet
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France
| | - Laurent Michaud
- 5 Reference Center for Congenital and Malformative Esophageal Diseases, Department of Pediatric Gastroenterology and Nutrition, Jeanne de Flandre Hospital, Université Lille 2, Lille, France
| | - Rony Sfeir
- 6 Department of Pediatric Surgery, Jeanne de Flandre Hospital, University Lille 2, Lille, France
| | - Frederic Gottrand
- 5 Reference Center for Congenital and Malformative Esophageal Diseases, Department of Pediatric Gastroenterology and Nutrition, Jeanne de Flandre Hospital, Université Lille 2, Lille, France
| | - Jerome Larghero
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Valerie Vanneaux
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Pierre Cattan
- 1 Cell Therapy Unit and CIC-BT, AP-HP, Saint-Louis Hospital, Paris, France.,2 Department of Digestive and Endocrine Surgery, AP-HP, Saint-Louis Hospital, Paris, France.,3 Inserm UMR 1160, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
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1015
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Lai P, Chen X, Guo L, Wang Y, Liu X, Liu Y, Zhou T, Huang T, Geng S, Luo C, Huang X, Wu S, Ling W, Du X, He C, Weng J. A potent immunomodulatory role of exosomes derived from mesenchymal stromal cells in preventing cGVHD. J Hematol Oncol 2018; 11:135. [PMID: 30526632 PMCID: PMC6286548 DOI: 10.1186/s13045-018-0680-7] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 11/21/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Mesenchymal stromal cells (MSCs) are a promising therapy for preventing chronic Graft-Versus-Host Disease (cGVHD) due to their potent immunomodulatory properties. However, the safety concerns regarding the use of MSCs remain unsolved, and conflicting effects are observed due to the heterogeneity of MSCs. Recently, exosomes were shown to mediate the paracrine effects of MSCs, making it a potential candidate for cell-free therapies. The aim of this study is to investigate the efficacy and safety of MSCs-derived exosomes (MSCs-exo) in an established cGVHD mouse model. METHODS Bone marrow (BM)-derived MSCs were cultured, and the supernatants of these cultures were collected to prepare exosomes using ultracentrifugation. Exosomes from human dermal fibroblasts (Fib-exo) were used as a negative control. The cGVHD model was established, and tail vein injections of MSCs-exo or Fib-exo were administered once per week for 6 weeks. The symptoms and signs of cGVHD were monitored, and histopathological changes were detected by hematoxylin and eosin and Masson staining. The effects of MSCs-exo on Th17, Th1, and Treg were evaluated by flow cytometry, qPCR, and Luminex. In addition, human peripheral blood mononuclear cells (PBMCs) were stimulated and treated with MSCs-exo in vitro. IL-17-expressing Th17 and IL-10-expressing Treg were evaluated by flow cytometry, qPCR, and ELISA. RESULTS We found that MSCs-exo effectively prolonged the survival of cGVHD mice and diminished the clinical and pathological scores of cGVHD. Fibrosis in the skin, lung, and liver was significantly ameliorated by MSCs-exo application. In MSCs-exo treated mice, activation of CD4+ T cells and their infiltration into the lung were reduced. Of note, MSCs-exo exhibited potent immunomodulatory effects via the inhibition of IL-17-expressing pathogenic T cells and induction of IL-10-expressing regulatory cells during cGVHD. The expressions of Th17 cell-relevant transcription factors and pro-inflammatory cytokines was markedly reduced after MSCs-exo treatment. In vitro, MSCs-exo blocked Th17 differentiation and improved the Treg phenotype in PBMCs obtained from healthy donors and patients with active cGVHD, further indicating the regulatory effect of MSCs-exo on GVHD effector T cells. CONCLUSIONS Our data suggested that MSCs-exo could improve the survival and ameliorate the pathologic damage of cGVHD by suppressing Th17 cells and inducing Treg. This finding provides a novel alternative approach for the treatment of cGVHD.
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Affiliation(s)
- Peilong Lai
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China.,Guangdong Geriatrics Institute, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Xiaomei Chen
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Liyan Guo
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Yulian Wang
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Xialin Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, People's Republic of China
| | - Yan Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, People's Republic of China
| | - Tian Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, People's Republic of China
| | - Tian Huang
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Suxia Geng
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Chengwei Luo
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Xin Huang
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Suijing Wu
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Wei Ling
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China
| | - Xin Du
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China. .,Guangdong Geriatrics Institute, Guangzhou, Guangdong, 510080, People's Republic of China.
| | - Chang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, People's Republic of China.
| | - Jianyu Weng
- Department of Hematology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People's Republic of China. .,Guangdong Geriatrics Institute, Guangzhou, Guangdong, 510080, People's Republic of China.
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1016
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Gurung S, Williams S, Deane JA, Werkmeister JA, Gargett CE. The Transcriptome of Human Endometrial Mesenchymal Stem Cells Under TGFβR Inhibition Reveals Improved Potential for Cell-Based Therapies. Front Cell Dev Biol 2018; 6:164. [PMID: 30564575 PMCID: PMC6288489 DOI: 10.3389/fcell.2018.00164] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/15/2018] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are multipotent cells with favorable properties for cell therapies and regenerative medicine. Human endometrium harbors a small population of perivascular, clonogenic MSCs (eMSCs) identified by the SUSD2 marker. As for other MSCs, eMSCs require extensive in vitro expansion to generate clinically relevant numbers of cells, resulting in spontaneous differentiation, replicative senescence and cell death, decreasing therapeutic potency. We previously demonstrated that A83-01, a TGF-β receptor inhibitor, maintained eMSC clonogenicity, promoted proliferation, prevented apoptosis and maintained MSC function in vitro. Here we compare the transcriptome of passaged eMSCs from six women cultured with and without A83-01 for 7 days. We identified 1206 differentially expressed genes (DEG) using a false discovery rate cut-off at 0.01 and fold change >2. Significant enrichment of genes involved in anti-inflammatory responses, angiogenesis, cell migration and proliferation, and collagen fibril and extracellular matrix organization were revealed. TGF-β, Wnt and Akt signaling pathways were decreased. Anti-fibrotic and anti-apoptotic genes were induced, and fibroblast proliferation and myofibroblast related genes were downregulated. We found increased MSC potency genes (TWIST1, TWIST2, JAG1, LIFR, and SLIT2) validating the enhanced potency of A83-01-treated eMSCs, and importantly no pluripotency gene expression. We also identified eMSCs’ potential for secreting exosomes, possibly explaining their paracrine properties. Angiogenic and cytokine protein arrays confirmed the angiogenic, anti-fibrotic and immunomodulatory phenotype of A83-01-treated eMSCs, and increased angiogenic activity was functionally demonstrated in vitro. eMSCs culture expanded with A83-01 have enhanced clinically relevant properties, suggesting their potential for cell-therapies and regenerative medicine applications.
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Affiliation(s)
- Shanti Gurung
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Sarah Williams
- Monash Bioinformatics Platform, Monash University, Melbourne, VIC, Australia
| | - James A Deane
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Jerome A Werkmeister
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Caroline E Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
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1017
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Vezzani B, Shaw I, Lesme H, Yong L, Khan N, Tremolada C, Péault B. Higher Pericyte Content and Secretory Activity of Microfragmented Human Adipose Tissue Compared to Enzymatically Derived Stromal Vascular Fraction. Stem Cells Transl Med 2018; 7:876-886. [PMID: 30255987 PMCID: PMC6265639 DOI: 10.1002/sctm.18-0051] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/19/2018] [Indexed: 12/14/2022] Open
Abstract
Autologous adipose tissue is used for tissue repletion and/or regeneration as an intact lipoaspirate or as enzymatically derived stromal vascular fraction (SVF), which may be first cultured into mesenchymal stem cells (MSCs). Alternatively, transplant of autologous adipose tissue mechanically fragmented into submillimeter clusters has recently showed remarkable efficacy in diverse therapeutic indications. To document the biologic basis of the regenerative potential of microfragmented adipose tissue, we first analyzed the distribution of perivascular presumptive MSCs in adipose tissue processed with the Lipogems technology, observing a significant enrichment in pericytes, at the expense of adventitial cells, as compared to isogenic enzymatically processed lipoaspirates. The importance of MSCs as trophic and immunomodulatory cells, due to the secretion of specific factors, has been described. Therefore, we investigated protein secretion by cultured adipose tissue clusters or enzymatically derived SVF using secretome arrays. In culture, microfragmented adipose tissue releases many more growth factors and cytokines involved in tissue repair and regeneration, noticeably via angiogenesis, compared to isogenic SVF. Therefore, we suggest that the efficient tissue repair/regeneration observed after transplantation of microfragmented adipose tissue is due to the secretory ability of the intact perivascular niche. Stem Cells Translational Medicine 2018;7:876-886.
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Affiliation(s)
- Bianca Vezzani
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
| | - Isaac Shaw
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
| | - Hanna Lesme
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
| | - Li Yong
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
| | - Nusrat Khan
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
| | | | - Bruno Péault
- MRC Center for Regenerative MedicineUniversity of EdinburghEdinburghUnited Kingdom
- Orthopaedic Hospital Research Center and Broad Stem Cell Research CenterDavid Geffen School of Medicine, University of CaliforniaLos AngelesCaliforniaUSA
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1018
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Venkat P, Chen J, Chopp M. Exosome-mediated amplification of endogenous brain repair mechanisms and brain and systemic organ interaction in modulating neurological outcome after stroke. J Cereb Blood Flow Metab 2018; 38:2165-2178. [PMID: 29888985 PMCID: PMC6282218 DOI: 10.1177/0271678x18782789] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ischemic stroke is caused by a regional interruption of cerebral blood flow to the brain. Rigorous pre-clinical and clinical research has made landmark progress in stroke treatment using thrombolytics and endovascular thrombectomy. Although numerous successful neuroprotective therapeutic agents for ischemic stroke have been reported in pre-clinical studies, most of them failed in clinical testing. Persistent pre-clinical research has demonstrated that the ischemic brain is not only passively dying but is also actively recovering. Within the neurovascular niche in the peri-infarct tissue, repair mechanisms thrive on the interactions between the neural and vascular compartments. In this review, we discuss exogenous therapy using mesenchymal stromal cell-derived exosomes to amplify endogenous brain repair mechanisms and to induce neurorestorative effects after stroke. Emerging evidence indicates that multiple communication axes between the various organs such as the brain, heart, kidney and gut, and whole body immune response mediated by the spleen can also affect stroke outcome. Therefore, in this review, we summarize this evidence and initiate a discussion on the potential to improve stroke outcome by amplifying multiple brain repair mechanisms after stroke, and by targeting peripheral organs and downstream events to enhance recovery in the injured brain and promote over all well being.
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Affiliation(s)
- Poornima Venkat
- 1 Department of Neurology, Henry Ford Hospital, Detroit, MI, USA
| | - Jieli Chen
- 1 Department of Neurology, Henry Ford Hospital, Detroit, MI, USA
| | - Michael Chopp
- 1 Department of Neurology, Henry Ford Hospital, Detroit, MI, USA.,2 Department of Physics, Oakland University, Rochester, MI, USA
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1019
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Sane MS, Misra N, Mousa OM, Czop S, Tang H, Khoo LT, Jones CD, Mustafi SB. Cytokines in umbilical cord blood-derived cellular product: a mechanistic insight into bone repair. Regen Med 2018; 13:881-898. [PMID: 30346891 PMCID: PMC6439518 DOI: 10.2217/rme-2018-0102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/04/2018] [Indexed: 12/12/2022] Open
Abstract
AIM Umbilical cord blood (UCB) finds frequent applications in regenerative medicine. We evaluated the role of cytokines present in a uniquely processed, UCB-derived cellular allograft product (UCBp). MATERIALS & METHODS Luminex multiplex assay and standard cell biology methods were employed. RESULTS Study with allografts from 33 donors identified 44 quantifiable cytokines in the UCBp derived conditioned media (CM). The UCBp-CM elevated proliferation and migration rates of mesenchymal stem cells (MSCs) and bone marrow stromal cells. Moreover, UCBp-CM induced secretion of VEGF-A and osteoprotegerin, which promoted angiogenesis of endothelial cells and positively influenced the osteogenic differentiation of MSCs, respectively. CONCLUSION Cytokines in UCBp stimulate cellular processes important for bone regeneration, making UCBp an excellent candidate for potential applications in orthopedic procedures like bone non-union and spinal fusion.
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Affiliation(s)
- Mukta S Sane
- Department of Research & Development, Burst Biologics, Boise, ID 83705, USA
| | - Neha Misra
- Department of Research & Development, Burst Biologics, Boise, ID 83705, USA
| | - Omid Mohammad Mousa
- Department of Research & Development, Burst Biologics, Boise, ID 83705, USA
- Department of Regulatory & Medical Affairs, Burst Biologics, Boise, ID 83705, USA
- Biomolecular Research Center, Boise State University, Boise, ID, 83725, USA
| | - Steve Czop
- Department of Regulatory & Medical Affairs, Burst Biologics, Boise, ID 83705, USA
| | - Huiyuan Tang
- Department of Research & Development, Burst Biologics, Boise, ID 83705, USA
| | - Larry T Khoo
- The Spine Clinic of Los Angeles, Good Samaritan Hospital, University of Southern California, Los Angeles, CA 90017, USA
| | - Christopher D Jones
- Department of Research & Development, Burst Biologics, Boise, ID 83705, USA
- Department of Regulatory & Medical Affairs, Burst Biologics, Boise, ID 83705, USA
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1020
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Osorio-Querejeta I, Alberro A, Muñoz-Culla M, Mäger I, Otaegui D. Therapeutic Potential of Extracellular Vesicles for Demyelinating Diseases; Challenges and Opportunities. Front Mol Neurosci 2018; 11:434. [PMID: 30532691 PMCID: PMC6265410 DOI: 10.3389/fnmol.2018.00434] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 11/08/2018] [Indexed: 12/13/2022] Open
Abstract
Multiple Sclerosis is a demyelinating disease of the central nervous system for which no remyelination therapy is available and alternative strategies are being tested. Extracellular vesicles (EVs) have emerged as players in physiological and pathological processes and are being proposed as therapeutic targets and mediators. More concretely, EVs have shown to be involved in myelination related processes such as axon-oligodendrocyte communication or oligodendrocyte precursor cell migration. In addition, EVs have been shown to carry genetic material and small compounds, and to be able to cross the Blood Brain Barrier. This scenario led scientists to test the ability of EVs as myelin regeneration promoters in demyelinating diseases. In this review we will address the use of EVs as remyelination promoters and the challenges and opportunities of this therapy will be discussed.
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Affiliation(s)
- Iñaki Osorio-Querejeta
- Multiple Sclerosis Unit, Biodonostia Health Research Institute, San Sebastian, Spain.,Spanish Network of Multiple Sclerosis, Barcelona, Spain
| | - Ainhoa Alberro
- Multiple Sclerosis Unit, Biodonostia Health Research Institute, San Sebastian, Spain
| | - Maider Muñoz-Culla
- Multiple Sclerosis Unit, Biodonostia Health Research Institute, San Sebastian, Spain.,Spanish Network of Multiple Sclerosis, Barcelona, Spain
| | - Imre Mäger
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom.,Institute of Technology, University of Tartu, Tartu, Estonia
| | - David Otaegui
- Multiple Sclerosis Unit, Biodonostia Health Research Institute, San Sebastian, Spain.,Spanish Network of Multiple Sclerosis, Barcelona, Spain
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1021
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Min S, Kim OJ, Bae J, Chung TN. Effect of Pretreatment with the NADPH Oxidase Inhibitor Apocynin on the Therapeutic Efficacy of Human Placenta-Derived Mesenchymal Stem Cells in Intracerebral Hemorrhage. Int J Mol Sci 2018; 19:ijms19113679. [PMID: 30469327 PMCID: PMC6274986 DOI: 10.3390/ijms19113679] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/16/2018] [Accepted: 11/19/2018] [Indexed: 12/18/2022] Open
Abstract
Several studies have demonstrated the beneficial effect of mesenchymal stem cells (MSCs) on intracerebral hemorrhage (ICH). Enhancement of the therapeutic efficacy of MSCs in ICH is necessary, considering the diseases high association with mortality and morbidity. Various preconditioning methods to enhance the beneficial properties of MSCs have been introduced. We suggested apocynin, a well-known nicotinamide adenine dinucleotide phosphate (NADPH) oxidase inhibitor, as a novel preconditioning regimen to enhance the therapeutic efficacy of MSCs in ICH. Rat ICH models were made using bacterial collagenase. 24 h after ICH induction, the rats were randomly divided into apocynin-preconditioned MSC-treated (Apo-MSC), naïve MSC-treated and control groups. Hematoma volume, brain edema, and degenerating neuron count were compared at 48 h after the ICH induction. The expression of tight junction proteins (occludin, zona occludens [ZO]-1) were also compared. Hematoma size, hemispheric enlargement and degenerating neuron count were significantly lower in the Apo-MSC group than in the naïve MSC group (p = 0.004, 0.013 and 0.043, respectively), while the expression of occludin was higher (p = 0.024). Apocynin treatment enhances the therapeutic efficacy of MSCs in ICH in the acute stage, through the improvement of the beneficial properties of MSCs, such as neuroprotection and the reinforcement of endovascular integrity of cerebral vasculature.
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Affiliation(s)
- Saehong Min
- Department of Emergency Medicine, CHA University School of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam 13496, Korea.
| | - Ok Joon Kim
- Department of Neurology, CHA University School of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam 13496, Korea.
| | - Jinkun Bae
- Department of Emergency Medicine, CHA University School of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam 13496, Korea.
| | - Tae Nyoung Chung
- Department of Emergency Medicine, CHA University School of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam 13496, Korea.
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1022
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Zheng Y, Wang Z, Zhu T, Ma F, Chen L, Tang Q, Zhu J. Cell Labeling with Cy3 through DNA Hybridization for Assessing Neural Stem Cells Survival and Differentiation. Bioconjug Chem 2018; 29:3561-3570. [PMID: 30371055 DOI: 10.1021/acs.bioconjchem.8b00533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Neural stem cells (NSCs) have been attractive donor sources for cell therapy in traumatic brain injuries (TBI). Monitoring the fate of transplanted cells, including the survival and differentiation, will provide vital information to assess the outcome during the therapy time course. However, the current labeling methods are based on the principles of cell endocytosis, demanding relatively high fluorescent probes concentration and long incubation time, which may affect the proliferation and differentiation of transplanted cells. In our study, an efficient and relatively fast labeling strategy for NSCs with Cy3 based on DNA hybridization was proposed for monitoring the fate of transplanted cells. The oligo[dA]20 conjugated with Cy3 was anchored on NSCs which had modified with oligo[dT]20 via the oligo[dT]20-oligo[dA]20 hybridization. This labeling system did not affect the viability of labeled NSCs. After implantation of labeled NSCs into the brain, immunohistology demonstrated implanted cells were able to survive and differentiate into mature neural cells as long as one month. In conclusion, the DNA hybridization system can be used as an efficient cell labeling method in cell therapy.
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Affiliation(s)
- Yongtao Zheng
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Zhifu Wang
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Tongming Zhu
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Fukai Ma
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Luping Chen
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Qisheng Tang
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
| | - Jianhong Zhu
- Department of Neurosurgery, Fudan University Huashan Hospital, National Key Laboratory of Medical Neurobiology, the Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Shanghai Medical College , Fudan University , Shanghai 200040 , China
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1023
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Mohammadipoor A, Antebi B, Batchinsky AI, Cancio LC. Therapeutic potential of products derived from mesenchymal stem/stromal cells in pulmonary disease. Respir Res 2018; 19:218. [PMID: 30413158 PMCID: PMC6234778 DOI: 10.1186/s12931-018-0921-x] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 10/23/2018] [Indexed: 12/15/2022] Open
Abstract
Multipotent mesenchymal stem/stromal cells (MSCs) possess robust self-renewal characteristics and the ability to differentiate into tissue-specific cells. Their therapeutic potential appears promising as evident from their efficacy in several animal models of pulmonary disorders as well as early-phase clinical trials of acute respiratory distress syndrome (ARDS) and chronic obstructive pulmonary disease (COPD). Such therapeutic efficacy might be attributed to MSC-derived products (the "secretome"), namely conditioned media (CM) and extracellular vesicles (EVs), which have been shown to play pivotal roles in the regenerative function of MSCs. Importantly, the EVs secreted by MSCs can transfer a variety of bioactive factors to modulate the function of recipient cells via various mechanisms, including ligand-receptor interactions, direct membrane fusion, endocytosis, or phagocytosis.Herein, we review the current state-of-the-science of MSC-derived CM and EVs as potential therapeutic agents in lung diseases. We suggest that the MSC-derived secretome might be an appropriate therapeutic agent for treating aggressive pulmonary disorders because of biological and logistical advantages over live cell therapy. Nonetheless, further studies are warranted to elucidate the safety and efficacy of these components in combating pulmonary diseases.
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Affiliation(s)
- Arezoo Mohammadipoor
- Multi-Organ Support Technology (MOST) Task Area, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA. .,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA.
| | - Ben Antebi
- Multi-Organ Support Technology (MOST) Task Area, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA
| | - Andriy I Batchinsky
- Multi-Organ Support Technology (MOST) Task Area, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA.,The Geneva Foundation, Tacoma, WA, USA
| | - Leopoldo C Cancio
- Multi-Organ Support Technology (MOST) Task Area, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA
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1024
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How to Make the Mesenchymal Stem Cells Therapy More Targeted, More Accurate, and More Efficient? J Craniofac Surg 2018; 30:957-958. [PMID: 30394966 DOI: 10.1097/scs.0000000000004822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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1025
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Chu C, Wei S, Wang Y, Wang Y, Man Y, Qu Y. Extracellular vesicle and mesenchymal stem cells in bone regeneration: recent progress and perspectives. J Biomed Mater Res A 2018; 107:243-250. [PMID: 30378760 DOI: 10.1002/jbm.a.36518] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 07/16/2018] [Accepted: 07/25/2018] [Indexed: 02/05/2023]
Abstract
Transplanting mesenchymal stem cells (MSCs) has been widely perceived as an ideal treatment for bone repair and regeneration, owing to their differential potential. However, researchers found that very few intravenous MSCs could stay in the target tissue, whereas the majority of them are trapped in liver, spleen, and lung, largely reducing its therapeutic effects. Recently, extracellular vesicles (EVs) have attracted increased attention due to their function in bone repair and advantages over traditional cell therapy. Also, MSCs-derived EVs are likely to achieve the osteogenic goal via modulating the cells and cytokines involved in bone metabolism. This review aims at summarizing the function of EVs and MSCs in bone metabolism and regeneration. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 107A: 243-250, 2019.
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Affiliation(s)
- Chenyu Chu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Shimin Wei
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yuanjing Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yufei Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yi Man
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yili Qu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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1026
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Li R, Lin QX, Liang XZ, Liu GB, Tang H, Wang Y, Lu SB, Peng J. Stem cell therapy for treating osteonecrosis of the femoral head: From clinical applications to related basic research. Stem Cell Res Ther 2018; 9:291. [PMID: 30359305 PMCID: PMC6202807 DOI: 10.1186/s13287-018-1018-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Osteonecrosis of the femoral head (ONFH) is a refractory disease that is associated with collapse of the femoral head, with a risk of hip arthroplasty in younger populations. Thus, there has been an increased focus on early interventions for ONFH that aim to preserve the native articulation. Stem cell therapy is a promising treatment, and an increasing number of recent studies have focused on this topic. Many clinical studies have reported positive outcomes of stem cell therapy for the treatment of ONFH. To improve the therapeutic effects of this approach, many related basic research studies have also been performed. However, some issues must be further explored, such as the appropriate patient selection procedure, the optimal stem cell selection protocol, the ideal injection number, and the safety of stem cell therapy. The purpose of this review is to summarize the available clinical studies and basic research related to stem cell therapy for ONFH.
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Affiliation(s)
- Rui Li
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - Qiu-Xia Lin
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - Xue-Zhen Liang
- The First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, 250355 Shandong China
| | - Guang-Bo Liu
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - He Tang
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - Yu Wang
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - Shi-Bi Lu
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
| | - Jiang Peng
- Institute of Orthopedics, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, 100853 China
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1027
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Zhang Y, Shi S, Xu Q, Zhang Q, Shanti RM, Le AD. SIS-ECM Laden with GMSC-Derived Exosomes Promote Taste Bud Regeneration. J Dent Res 2018; 98:225-233. [PMID: 30335555 DOI: 10.1177/0022034518804531] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Oral cancer has a high annual incidence rate all over the world, and the tongue is the most frequently affected anatomic structure. The current standard care is ablative surgery of malignant neoplasm, followed by tongue reconstruction with free flap. However, such reconstructive modalities with postsurgery radiotherapy or chemotherapy can hardly support the functional recovery of the tongue-particularly, functional taste bud regeneration-in reconstructed areas, thus seriously affecting patients' prognosis and life quality. Using a critical-sized tongue defect model in rats, we show that combinatory transplantation of small intestinal submucosa-extracellular matrix (SIS-ECM) with gingival mesenchymal stem cells (GMSCs) or their derivative exosomes promoted tongue lingual papillae recovery and taste bud regeneration as evidenced by increased expression of CK14, CK8, and markers for type I, II, and III taste bud cells (NTPdase 2, PLC-β2, and AADC, respectively). In addition, our results indicate that GMSCs or their derivative exosomes could increase BDNF expression, a growth factor that plays an important role in the proliferation and differentiation of epithelial basal progenitor cells into taste bud cells. Meanwhile, we showed an elevated expression level of Shh-which is essential for development, homeostasis, and maintenance of the taste bud organ-in wounded areas of the tongue among animals treated with GMSC/SIS-ECM or exosome/SIS-ECM as compared with SIS-ECM control. Moreover, our data show that GMSCs or their derivative exosomes promoted innervation of regenerated taste buds, as evidenced by elevated expressions of neurofilament and P2X3 at the injury areas. Together, our findings indicate that GMSC/SIS-ECM and exosome/SIS-ECM constructs can facilitate taste bud regeneration and reinnervation with promising potential application in postsurgery tongue reconstruction of patients with tongue cancer.
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Affiliation(s)
- Y Zhang
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,2 Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - S Shi
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Q Xu
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Q Zhang
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - R M Shanti
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,3 Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.,4 Department of Oral and Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - A D Le
- 1 Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,4 Department of Oral and Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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1028
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Ren K. Exosomes in perspective: a potential surrogate for stem cell therapy. Odontology 2018; 107:271-284. [PMID: 30324571 DOI: 10.1007/s10266-018-0395-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 10/05/2018] [Indexed: 12/12/2022]
Abstract
Exosomes as a unique subtype of small extracellular vesicles (sEVs) have attracted increasing interest in recent years in the fields of mesenchymal stromal cell (MSC) research. Studies have confirmed that exosomes derived from MSCs preserve immunosuppressive phenotype and can mimic therapeutic benefits of their parent cells. This review briefly summarizes most recent findings on the potential of exosomes as an alternative of therapeutic MSCs, focusing on the role of MSCs and their secreted exosomes in regulation of immune cells, preclinical and clinical evidence of therapeutic outcomes of MSC exosomes, and the biodistribution and pharmacokinetic profile of systemically administered exosomes. It is appreciated that exosomes from MSCs of different sources have variable contents including inflammatory mediators, tropic factors, signaling molecules, and nucleic acids (DNA, mRNA, microRNA and long non-coding RNA). Diverse functions of exosomes derived from different sources are expected. More importantly, exosomes isolated in vitro may not mirror that from in vivo, where donor MSCs are exposed to specific disease or injury-related conditions. Simulating in vivo microenvironment by pretreatment of MSCs with relevant chemical mediators may lead to their secretion of therapeutically more efficient exosomes/sEVs. However, we know very little about the key molecules involved and the differences between exosomes released under different conditions. These issues would be of tremendous interest to preclinical research that pursues exosome biology-underlain therapeutic mechanisms of MSCs. Further studies are expected to demonstrate the superiority of MSC-derived exsomes/sEVs as a pharmaceutical entity with regard to efficacy, safety, and practicability.
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Affiliation(s)
- Ke Ren
- Department of Neural and Pain Sciences, School of Dentistry, & Program in Neuroscience, University of Maryland, 650 W. Baltimore St, Dental-8 South, Baltimore, MD, 21201, USA.
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1029
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Clinical Application of Mesenchymal Stem Cell-Derived Extracellular Vesicle-Based Therapeutics for Inflammatory Lung Diseases. J Clin Med 2018; 7:jcm7100355. [PMID: 30322213 PMCID: PMC6210470 DOI: 10.3390/jcm7100355] [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: 08/29/2018] [Revised: 10/01/2018] [Accepted: 10/12/2018] [Indexed: 02/06/2023] Open
Abstract
It is currently thought that extracellular vesicles (EVs), such as exosomes and microvesicles, play an important autocrine/paracrine role in intercellular communication. EVs package proteins, mRNA and microRNA (miRNA), which have the ability to transfer biological information to recipient cells in the lungs. Depending on their origin, EVs fulfil different functions. EVs derived from mesenchymal stem cells (MSCs) have been found to promote therapeutic activities that are comparable to MSCs themselves. Recent animal model-based studies suggest that MSC-derived EVs have significant potential as a novel alternative to whole-cell therapies. Compared to their parent cells, EVs may have a superior safety profile and can be stored without losing function. It has been observed that MSC-derived EVs suppress pro-inflammatory processes and reduce oxidative stress, pulmonary fibrosis and remodeling in a variety of in vivo inflammatory lung disease models by transferring their components. However, there remain significant challenges to translate this therapy to the clinic. From this view point, we will summarize recent studies on EVs produced by MSCs in preclinical experimental models of inflammatory lung diseases. We will also discuss the most relevant issues in bringing MSC-derived EV-based therapeutics to the clinic for the treatment of inflammatory lung diseases.
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1030
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Kichenbrand C, Velot E, Menu P, Moby V. Dental Pulp Stem Cell-Derived Conditioned Medium: An Attractive Alternative for Regenerative Therapy. TISSUE ENGINEERING PART B-REVIEWS 2018; 25:78-88. [PMID: 30156475 DOI: 10.1089/ten.teb.2018.0168] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mesenchymal stem cells (MSC) have a lot of potential in regenerative medicine, and MSC-based therapies are currently explored in numerous research fields. Among these cells, deciduous or permanent dental pulp-MSC represent a promising option in tissue engineering. This expectation is based on their capacity to self-renew, to repair various damaged tissues and organs due to their multipotency, as well as their ability to modulate immune system. They present other advantages such as the harvesting by a simple, painless, and noninvasive procedure and the absence of ethical considerations. The role played by these cells in the reparative process is mainly attributed to paracrine mechanisms mediated by their secreted factors, namely the secretome. The secreted factors can be found in the cell culture medium, called conditioned medium (CM). Moreover, CM presents many advantages compared with cells such as possible use in allogeneic therapies. This minireview aims at investigating the therapeutic use of dental pulp MSC-derived CM to develop cell-free therapies. The analysis of the available literature illustrates its massive panel of potential applications: mainly reduction of inflammation, promotion of angiogenesis and neurogenesis, reduction of stroke or ischemia, and organ regeneration. Furthermore, studies often highlight its superiority over the other sources of CM derived from other stem cells for the same applications. Dental pulp MSC-derived CM is an attractive, noninvasive, and acellular tool for therapeutic approaches in regenerative medicine. This promising novel approach should be further explored for clinical applications.
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Affiliation(s)
- Charlène Kichenbrand
- 1 CNRS UMR 7365, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Université de Lorraine, Biopôle de l'Université de Lorraine, Vandoeuvre-Lès-Nancy, France.,2 CHRU de Nancy-Service Odontologie, Vandœuvre-lès-Nancy, France.,3 Faculté d'Odontologie, Université de Lorraine, Nancy, France
| | - Emilie Velot
- 1 CNRS UMR 7365, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Université de Lorraine, Biopôle de l'Université de Lorraine, Vandoeuvre-Lès-Nancy, France.,4 Faculté de Pharmacie, Nancy, France
| | - Patrick Menu
- 1 CNRS UMR 7365, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Université de Lorraine, Biopôle de l'Université de Lorraine, Vandoeuvre-Lès-Nancy, France.,4 Faculté de Pharmacie, Nancy, France
| | - Vanessa Moby
- 1 CNRS UMR 7365, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Université de Lorraine, Biopôle de l'Université de Lorraine, Vandoeuvre-Lès-Nancy, France.,2 CHRU de Nancy-Service Odontologie, Vandœuvre-lès-Nancy, France.,3 Faculté d'Odontologie, Université de Lorraine, Nancy, France
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1031
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Altanerova U, Jakubechova J, Benejova K, Priscakova P, Pesta M, Pitule P, Topolcan O, Kausitz J, Zduriencikova M, Repiska V, Altaner C. Prodrug suicide gene therapy for cancer targeted intracellular by mesenchymal stem cell exosomes. Int J Cancer 2018; 144:897-908. [PMID: 30098225 DOI: 10.1002/ijc.31792] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 06/26/2018] [Accepted: 07/23/2018] [Indexed: 12/14/2022]
Abstract
The natural behavior of mesenchymal stem cells (MSCs) and their exosomes in targeting tumors is a promising approach for curative therapy. Human tumor tropic mesenchymal stem cells (MSCs) isolated from various tissues and MSCs engineered to express the yeast cytosine deaminase::uracil phosphoribosyl transferase suicide fusion gene (yCD::UPRT-MSCs) released exosomes in conditional medium (CM). Exosomes from all tissue specific yCD::UPRT-MSCs contained mRNA of the suicide gene in the exosome's cargo. When the CM was applied to tumor cells, the exosomes were internalized by recipient tumor cells and in the presence of the prodrug 5-fluorocytosine (5-FC) effectively triggered dose-dependent tumor cell death by endocytosed exosomes via an intracellular conversion of the prodrug 5-FC to 5-fluorouracil. Exosomes were found to be responsible for the tumor inhibitory activity. The presence of microRNAs in exosomes produced from naive MSCs and from suicide gene transduced MSCs did not differ significantly. MicroRNAs from yCD::UPRT-MSCs were not associated with therapeutic effect. MSC suicide gene exosomes represent a new class of tumor cell targeting drug acting intracellular with curative potential.
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Affiliation(s)
- Ursula Altanerova
- St. Elisabeth Cancer Institute, Stem Cell Preparation Department, Bratislava, Slovakia
| | - Jana Jakubechova
- St. Elisabeth Cancer Institute, Stem Cell Preparation Department, Bratislava, Slovakia
| | - Katarina Benejova
- St. Elisabeth Cancer Institute, Stem Cell Preparation Department, Bratislava, Slovakia
| | - Petra Priscakova
- Faculty of Medicine, Institute of Medical Biology, Genetics and Clinical Genetics, University Hospital Bratislava, Comenius University in Bratislava, Bratislava, Slovakia
| | - Martin Pesta
- Department of Biology, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic.,Laboratory of tumor biology, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic.,University Hospital in Pilsen, Department of Nuclear Medicine - Immunoanalytic Laboratory, Pilsen, Czech Republic
| | - Pavel Pitule
- Laboratory of tumor biology, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Ondrej Topolcan
- University Hospital in Pilsen, Department of Nuclear Medicine - Immunoanalytic Laboratory, Pilsen, Czech Republic
| | - Juraj Kausitz
- St. Elisabeth Cancer Institute, Stem Cell Preparation Department, Bratislava, Slovakia
| | - Martina Zduriencikova
- Cancer Research Institute, Biomedical Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Vanda Repiska
- Faculty of Medicine, Institute of Medical Biology, Genetics and Clinical Genetics, University Hospital Bratislava, Comenius University in Bratislava, Bratislava, Slovakia
| | - Cestmir Altaner
- St. Elisabeth Cancer Institute, Stem Cell Preparation Department, Bratislava, Slovakia.,Cancer Research Institute, Biomedical Center, Slovak Academy of Sciences, Bratislava, Slovakia
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1032
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Ouyang X, Han X, Chen Z, Fang J, Huang X, Wei H. MSC-derived exosomes ameliorate erectile dysfunction by alleviation of corpus cavernosum smooth muscle apoptosis in a rat model of cavernous nerve injury. Stem Cell Res Ther 2018; 9:246. [PMID: 30257719 PMCID: PMC6158845 DOI: 10.1186/s13287-018-1003-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/28/2018] [Accepted: 08/31/2018] [Indexed: 02/08/2023] Open
Abstract
Background This study investigated the therapeutic effects of MSC-derived exosomes (MSC-Exos) on erectile function in a rat model of cavernous nerve injury (CNI). Methods MSCs were isolated from rat bone marrow and exosomes were isolated from the supernatants by ultracentrifugation. The tissue explant adherent method was used to isolate and culture corpus cavernosum smooth muscle cells (CCSMCs). MSCs and CCSMCs were identified by flow cytometry, in vitro differentiation or immunofluorescence staining. Thirty-two 10-week-old male Sprague Dawley (SD) rats were divided into four groups: a sham operation group and bilateral CNI groups that received intracavernosal (IC) injection of either PBS, MSCs or MSC-Exos. Four weeks after CNI and treatment, the erectile function of the rats was measured by electrically stimulating the cavernous nerve. The penile tissues were harvested for blinded histologic analysis and western blotting. H2O2 was used to induce apoptosis in the CCSMCs, and a flow cytometer was used to measure the cell viability of the CCSMCs treated with or without exosomes in vitro. Results Recovery of erectile function was observed in the MSC-Exos group. The MSC-Exos treatment significantly enhanced smooth muscle content and neuronal nitric oxide synthase in the corpus cavernosum. The ratio of smooth muscle to collagen in the corpus cavernosum was significantly improved in the MSC-Exos treatment group compared to the PBS vehicle group. WB confirmed these biological changes. Cell viability of the CCSMCs was increased in the MSC-Exos-treated groups, and caspase-3 expression was decreased after the MSC-Exos treatment in vivo and in vitro. Conclusions Exosomes isolated from MSCs culture supernatants by ultracentrifugation could ameliorate CNI-induced ED in rats by inhibiting apoptosis in CCSMCs, with similar potency to that observed in the MSCs-treated group. Therefore, this cell-free therapy has great potential for application in the treatment of CNI-induced ED for replacing cell therapy. Graphical abstract MSC-derived exosomes ameliorate erectile dysfunction in a rat model of cavernous nerve injury![]()
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Affiliation(s)
- Xi Ouyang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China
| | - Xiaoyan Han
- Central Laboratory, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China
| | - Zehong Chen
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China
| | - Jiafeng Fang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China
| | - Xuna Huang
- Central Laboratory, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China
| | - Hongbo Wei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou, 510630, China.
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1033
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Reza-Zaldivar EE, Hernández-Sapiéns MA, Minjarez B, Gutiérrez-Mercado YK, Márquez-Aguirre AL, Canales-Aguirre AA. Potential Effects of MSC-Derived Exosomes in Neuroplasticity in Alzheimer's Disease. Front Cell Neurosci 2018; 12:317. [PMID: 30319358 PMCID: PMC6165870 DOI: 10.3389/fncel.2018.00317] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 08/30/2018] [Indexed: 12/23/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common type of dementia affecting regions of the central nervous system that exhibit synaptic plasticity and are involved in higher brain functions such as learning and memory. AD is characterized by progressive cognitive dysfunction, memory loss and behavioral disturbances of synaptic plasticity and energy metabolism. Cell therapy has emerged as an alternative treatment of AD. The use of adult stem cells, such as neural stem cells and Mesenchymal Stem Cells (MSCs) from bone marrow and adipose tissue, have the potential to decrease cognitive deficits, possibly by reducing neuronal loss through blocking apoptosis, increasing neurogenesis, synaptogenesis and angiogenesis. These processes are mediated primarily by the secretion of many growth factors, anti-inflammatory proteins, membrane receptors, microRNAs (miRNA) and exosomes. Exosomes encapsulate and transfer several functional molecules like proteins, lipids and regulatory RNA which can modify cell metabolism. In the proteomic characterization of the content of MSC-derived exosomes, more than 730 proteins have been identified, some of which are specific cell type markers and others are involved in the regulation of binding and fusion of exosomes with adjacent cells. Furthermore, some factors were found that promote the recruitment, proliferation and differentiation of other cells like neural stem cells. Moreover, within exosomal cargo, a wide range of miRNAs were found, which can control functions related to neural remodeling as well as angiogenic and neurogenic processes. Taking this into consideration, the use of exosomes could be part of a strategy to promote neuroplasticity, improve cognitive impairment and neural replacement in AD. In this review, we describe how exosomes are involved in AD pathology and discuss the therapeutic potential of MSC-derived exosomes mediated by miRNA and protein cargo.
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Affiliation(s)
- Edwin E Reza-Zaldivar
- Unidad de Evaluación Preclínica, Biotecnología Médica y Farmacéutica, CONACYT Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Guadalajara, Mexico
| | - Mercedes A Hernández-Sapiéns
- Unidad de Evaluación Preclínica, Biotecnología Médica y Farmacéutica, CONACYT Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Guadalajara, Mexico
| | - Benito Minjarez
- Centro Universitario de Ciencias Biológicas y Agropecuarias (CUCBA), Universidad de Guadalajara, Guadalajara, Mexico
| | - Yanet K Gutiérrez-Mercado
- Unidad de Evaluación Preclínica, Biotecnología Médica y Farmacéutica, CONACYT Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Guadalajara, Mexico
| | - Ana L Márquez-Aguirre
- Unidad de Evaluación Preclínica, Biotecnología Médica y Farmacéutica, CONACYT Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Guadalajara, Mexico
| | - Alejandro A Canales-Aguirre
- Unidad de Evaluación Preclínica, Biotecnología Médica y Farmacéutica, CONACYT Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Guadalajara, Mexico.,Profesor del programa de Maestría en Ciencias de la Salud Ambiental, Centro Universitario de Ciencias Biológicas y Agropecuarias (CUCBA), Universidad de Guadalajara, Guadalajara, Mexico
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1034
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Vono R, Jover Garcia E, Spinetti G, Madeddu P. Oxidative Stress in Mesenchymal Stem Cell Senescence: Regulation by Coding and Noncoding RNAs. Antioxid Redox Signal 2018; 29:864-879. [PMID: 28762752 PMCID: PMC6080119 DOI: 10.1089/ars.2017.7294] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
SIGNIFICANCE Mesenchymal stem cells (MSCs), adult stem cells with the potential of differentiation into mesodermal lineages, play an important role in tissue homeostasis and regeneration. In different organs, a subpopulation of MSCs is located near the vasculature and possibly represents the original source of lineage-committed mesenchymal progenitors. Recent Advances: The plasticity and immune characteristics of MSCs render them a preferential tool for regenerative cell therapy. CRITICAL ISSUES The culture expansion needed before MSC transplantation is associated with cellular senescence. Moreover, accelerated senescence of the total and perivascular MSC pool has been observed in humans and mouse models of premature aging disorders. MSC dysfunction is acknowledged as a culprit for the aging-associated degeneration of mesodermal tissues, but the underlying epigenetic pathways remain elusive. This article reviews current understanding of mechanisms impinging on MSC health, including oxidative stress, Nrf2-antioxidant responsive element activity, sirtuins, noncoding RNAs, and PKCs. FUTURE DIRECTIONS We provide evidence that epigenetic profiling of MSCs is utilitarian to the prediction of therapeutic outcomes. In addition, strategies that target oxidative stress-associated mechanisms represent promising approaches to counteract the detrimental effect of age and senescence in MSCs.-Antioxid. Redox Signal. 29, 864-879.
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Affiliation(s)
- Rosa Vono
- 1 Laboratory of Cardiovascular Research , IRCCS MultiMedica, Milan, Italy
| | - Eva Jover Garcia
- 2 School of Clinical Sciences, Bristol Heart Institute, University of Bristol , United Kingdom
| | - Gaia Spinetti
- 1 Laboratory of Cardiovascular Research , IRCCS MultiMedica, Milan, Italy
| | - Paolo Madeddu
- 2 School of Clinical Sciences, Bristol Heart Institute, University of Bristol , United Kingdom
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1035
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Abstract
Frailty is a medical syndrome associated with advancing age characterized by reduced functional reserve, strength, endurance, and susceptibility to infection associated with high morbidity, hospitalization, and death. Nonspecific interventions to improve the healthspan of affected patients include physical therapy, exercise, improved nutrition, etc. Among the hallmarks of aging, depletion of stem cells with resultant compromise of regeneration and repair of tissues informs a rational stem cell-based replacement strategy. This hypothesis has been evaluated in a randomized, double-blind, placebo-controlled clinical trial utilizing human allogeneic mesenchymal stem cells (allo-hMSCs), a facile, scalable stem cell replacement therapy. Intravenous infusion of 100 or 200 million allo-hMSCs was deemed safe in aged frail individuals. However, modest improvement outcomes were limited to the lower dose, a finding that remains difficult to explain. Future studies are definitely warranted given the magnitude of this increasingly important medical syndrome.
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Affiliation(s)
- James W Larrick
- 1 Panorama Research Institute , Sunnyvale, California.,2 Regenerative Sciences Institute , Sunnyvale, California
| | - Andrew R Mendelsohn
- 1 Panorama Research Institute , Sunnyvale, California.,2 Regenerative Sciences Institute , Sunnyvale, California
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1036
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Liu Y, Lou G, Li A, Zhang T, Qi J, Ye D, Zheng M, Chen Z. AMSC-derived exosomes alleviate lipopolysaccharide/d-galactosamine-induced acute liver failure by miR-17-mediated reduction of TXNIP/NLRP3 inflammasome activation in macrophages. EBioMedicine 2018; 36:140-150. [PMID: 30197023 PMCID: PMC6197728 DOI: 10.1016/j.ebiom.2018.08.054] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 08/28/2018] [Accepted: 08/28/2018] [Indexed: 12/15/2022] Open
Abstract
Background Mesenchymal stem cell (MSC)-derived exosome administration has been considered as a novel cell-free therapy for liver diseases through cell-cell communication. This study was aimed to determine the effects and mechanisms of AMSC-derived exosomes (AMSC-Exo) for acute liver failure (ALF) treatment. Methods AMSC-Exo were intravenously administrated into the mice immediately after lipopolysaccharide and D-galactosamine (LPS/GalN)-exposure and their effects were evaluated by liver histological and serum biochemical analysis. To elucidate its mechanisms in ALF therapy, the expression levels of miRNAs and inflammasome-related genes in macrophages were evaluated by qPCR and Western blot analysis, respectively. The exosomes from miR-17-knockdowned AMSCs (AMSC-ExomiR-17-KD) were used for further determine the role of miR-17 in AMSC-Exo-based therapy. Findings AMSC-Exo administration significantly ameliorated ALF as determined by reduced serum alanine aminotransferase and aspartate aminotransferase levels and hepatic inflammasome activation. Further experiments revealed that AMSC-Exo were colocalized with hepatic macrophages and could reduce inflammatory factor secretion by suppressing inflammasome activation in macrophages. Moreover, miR-17, which can suppress NLRP3 inflammasome activation by targeting TXNIP, was abundant in AMSC-Exo cargo. While, the therapeutic effects of AMSC-ExomiR-17-KD on ALF were significantly abolished as they could not effectively suppress TXNIP expression and consequent inflammasome activation in vitro and in vivo. Interpretation: Exosome-shuttled miR-17 plays an essential role in AMSC-Exo therapy for ALF by targeting TXNIP and suppressing inflammasome activation in hepatic macrophages. AMSC-Exo-based therapy may present as a promising approach for TXNIP/NLRP3 inflammasome-related inflammatory liver diseases. Fund Key R&D projects of Zhejiang province (2018C03019) and National Natural Science Fund (81470851 and 81500616).
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Affiliation(s)
- Yanning Liu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Guohua Lou
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Aichun Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Tianbao Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Jinjin Qi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China
| | - Dan Ye
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Min Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
| | - Zhi Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China..
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1037
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Wu X, Liu Z, Hu L, Gu W, Zhu L. Exosomes derived from endothelial progenitor cells ameliorate acute lung injury by transferring miR-126. Exp Cell Res 2018; 370:13-23. [DOI: 10.1016/j.yexcr.2018.06.003] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 06/03/2018] [Accepted: 06/04/2018] [Indexed: 12/20/2022]
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1038
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Willis GR, Fernandez-Gonzalez A, Reis M, Mitsialis SA, Kourembanas S. Macrophage Immunomodulation: The Gatekeeper for Mesenchymal Stem Cell Derived-Exosomes in Pulmonary Arterial Hypertension? Int J Mol Sci 2018; 19:ijms19092534. [PMID: 30150544 PMCID: PMC6164282 DOI: 10.3390/ijms19092534] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 08/21/2018] [Accepted: 08/22/2018] [Indexed: 12/13/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive disease characterized by remodeling of the pulmonary arteries, increased pulmonary infiltrates, loss of vascular cross-sectional area, and elevated pulmonary vascular resistance. Despite recent advances in the management of PAH, there is a pressing need for the development of new tools to effectively treat and reduce the risk of further complications. Dysregulated immunity underlies the development of PAH, and macrophages orchestrate both the initiation and resolution of pulmonary inflammation, thus, manipulation of lung macrophage function represents an attractive target for emerging immunomodulatory therapies, including cell-based approaches. Indeed, mesenchymal stem cell (MSC)-based therapies have shown promise, effectively modulating the macrophage fulcrum to favor an anti-inflammatory, pro-resolving phenotype, which is associated with both histological and functional benefits in preclinical models of pulmonary hypertension (PH). The complex interplay between immune system homeostasis and MSCs remains incompletely understood. Here, we highlight the importance of macrophage function in models of PH and summarize the development of MSC-based therapies, focusing on the significance of MSC exosomes (MEx) and the immunomodulatory and homeostatic mechanisms by which such therapies may afford their beneficial effects.
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Affiliation(s)
- Gareth R Willis
- Division of Newborn Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
| | - Angeles Fernandez-Gonzalez
- Division of Newborn Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
| | - Monica Reis
- Division of Newborn Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
| | - S Alex Mitsialis
- Division of Newborn Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
| | - Stella Kourembanas
- Division of Newborn Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
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1039
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Wu S, Chang KC, Nahmou M, Goldberg JL. Induced Pluripotent Stem Cells Promote Retinal Ganglion Cell Survival After Transplant. Invest Ophthalmol Vis Sci 2018; 59:1571-1576. [PMID: 29625481 PMCID: PMC5863687 DOI: 10.1167/iovs.17-23648] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Purpose The purpose of this study was to characterize whether induced pluripotent stem cells (iPSCs) affect survival of grafted retinal ganglion cells (RGCs) after transplantation. Methods For in vitro studies, human iPSCs were either directly cocultured with mouse RGCs or plated in hanging inserts in RGC cultures for 1 week. For ex vivo studies, RGCs and iPSCs were seeded onto the inner surface of an adult rat retina explant and cultured for 1 week. For in vivo studies, RGCs and iPSCs were intravitreally coinjected into an adult rat eye 1 week before examining retinas by explant and immunostaining. Results A dose-dependent increase in RGC survival was observed in RGC-iPSC direct cocultures, and RGC-iPSC indirect cocultures showed a similar RGC protective effect, but to a lesser extent than in direct coculture. Enhanced RGC survival was also identified in RGC-iPSC cotransplantations to adult retinas ex vivo and in vivo. In addition, RGCs with iPSC cotransplantation extended significantly longer neurites than RGC-only transplants. Conclusions Human iPSCs promote transplanted RGC survival and neurite extension. This effect may be mediated at least partially through secretion of diffusible neuroprotective factors.
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Affiliation(s)
- Suqian Wu
- Eye, Ear, Nose & Throat Hospital, Department of Ophthalmology and Visual Science, Fudan University, Shanghai, People's Republic of China.,Byers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California, United States
| | - Kun-Che Chang
- Byers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California, United States
| | - Michael Nahmou
- Byers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California, United States
| | - Jeffrey L Goldberg
- Byers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California, United States
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1040
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Fitzsimmons REB, Mazurek MS, Soos A, Simmons CA. Mesenchymal Stromal/Stem Cells in Regenerative Medicine and Tissue Engineering. Stem Cells Int 2018; 2018:8031718. [PMID: 30210552 PMCID: PMC6120267 DOI: 10.1155/2018/8031718] [Citation(s) in RCA: 205] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 05/31/2018] [Accepted: 07/17/2018] [Indexed: 02/08/2023] Open
Abstract
As a result of over five decades of investigation, mesenchymal stromal/stem cells (MSCs) have emerged as a versatile and frequently utilized cell source in the fields of regenerative medicine and tissue engineering. In this review, we summarize the history of MSC research from the initial discovery of their multipotency to the more recent recognition of their perivascular identity in vivo and their extraordinary capacity for immunomodulation and angiogenic signaling. As well, we discuss long-standing questions regarding their developmental origins and their capacity for differentiation toward a range of cell lineages. We also highlight important considerations and potential risks involved with their isolation, ex vivo expansion, and clinical use. Overall, this review aims to serve as an overview of the breadth of research that has demonstrated the utility of MSCs in a wide range of clinical contexts and continues to unravel the mechanisms by which these cells exert their therapeutic effects.
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Affiliation(s)
- Ross E. B. Fitzsimmons
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON, Canada M5S 3G9
- Translational Biology and Engineering Program, Ted Rogers Centre for Heart Research, 661 University Ave, Toronto, ON, Canada M5G 1M1
| | - Matthew S. Mazurek
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary, AB, Canada T2N 4Z6
| | - Agnes Soos
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON, Canada M5S 3G9
- Translational Biology and Engineering Program, Ted Rogers Centre for Heart Research, 661 University Ave, Toronto, ON, Canada M5G 1M1
| | - Craig A. Simmons
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON, Canada M5S 3G9
- Translational Biology and Engineering Program, Ted Rogers Centre for Heart Research, 661 University Ave, Toronto, ON, Canada M5G 1M1
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, Canada M5S 3G8
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1041
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Seng A, Dunavin N. Mesenchymal stromal cell infusions for acute graft-versus-host disease: Rationale, data, and unanswered questions. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/acg2.14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Amara Seng
- Department of Microbiology; Molecular Genetics and Immunology; University of Kansas Medical Center; Kansas City Kansas
| | - Neil Dunavin
- Division of Hematological Malignancies and Cellular Therapeutics; Department of Internal Medicine; University of Kansas Medical Center; Kansas City Kansas
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1042
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Park S, Jung N, Myung S, Choi Y, Chung KW, Choi BO, Jung SC. Differentiation of Human Tonsil-Derived Mesenchymal Stem Cells into Schwann-Like Cells Improves Neuromuscular Function in a Mouse Model of Charcot-Marie-Tooth Disease Type 1A. Int J Mol Sci 2018; 19:ijms19082393. [PMID: 30110925 PMCID: PMC6121309 DOI: 10.3390/ijms19082393] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/06/2018] [Accepted: 08/10/2018] [Indexed: 01/18/2023] Open
Abstract
Charcot-Marie-Tooth disease type 1A (CMT1A) is the most common inherited motor and sensory neuropathy, and is caused by duplication of PMP22, alterations of which are a characteristic feature of demyelination. The clinical phenotype of CMT1A is determined by the degree of axonal loss, and patients suffer from progressive muscle weakness and impaired sensation. Therefore, we investigated the potential of Schwann-like cells differentiated from human tonsil-derived stem cells (T-MSCs) for use in neuromuscular regeneration in trembler-J (Tr-J) mice, a model of CMT1A. After differentiation, we confirmed the increased expression of Schwann cell (SC) markers, including glial fibrillary acidic protein (GFAP), nerve growth factor receptor (NGFR), S100 calcium-binding protein B (S100B), glial cell-derived neurotrophic factor (GDNF), and brain-derived neurotrophic factor (BDNF), which suggests the differentiation of T-MSCs into SCs (T-MSC-SCs). To test their functional efficiency, the T-MSC-SCs were transplanted into the caudal thigh muscle of Tr-J mice. Recipients’ improved locomotive activity on a rotarod test, and their sciatic function index, which suggests that transplanted T-MSC-SCs ameliorated demyelination and atrophy of nerve and muscle in Tr-J mice. Histological and molecular analyses showed the possibility of in situ remyelination by T-MSC-SCs transplantation. These findings demonstrate that the transplantation of heterologous T-MSC-SCs induced neuromuscular regeneration in mice and suggest they could be useful for the therapeutic treatment of patients with CMT1A disease.
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Affiliation(s)
- Saeyoung Park
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Korea.
| | - Namhee Jung
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Korea.
| | - Seoha Myung
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Korea.
| | - Yoonyoung Choi
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Korea.
| | - Ki Wha Chung
- Department of Biological Sciences, Kongju National University, Gongju 32588, Korea.
| | - Byung-Ok Choi
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea.
| | - Sung-Chul Jung
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Korea.
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1043
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Arakelian L, Kanai N, Dua K, Durand M, Cattan P, Ohki T. Esophageal tissue engineering: from bench to bedside. Ann N Y Acad Sci 2018; 1434:156-163. [PMID: 30088660 DOI: 10.1111/nyas.13951] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 07/09/2018] [Accepted: 07/17/2018] [Indexed: 12/12/2022]
Abstract
For various esophageal diseases, the search for alternative techniques for tissue repair has led to significant developments in basic and translational research in the field of tissue engineering. Applied to the esophagus, this concept is based on the in vitro combination of elements judged necessary for in vivo implantation to promote esophageal tissue remodeling. Different methods are currently being explored to develop substitutes using cells, scaffolds, or a combination of both, according to the severity of lesions to be treated. In this review, we discuss recent advances in (1) cell sheet technology for preventing stricture after extended esophageal mucosectomy and (2) full-thickness circumferential esophageal replacement using tissue-engineered substitutes.
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Affiliation(s)
- Lousineh Arakelian
- Cell Therapy Unit, AP-HP, Saint-Louis Hospital, Paris Diderot University, Paris, France.,INSERM, Clinical Investigation Center in Biotherapies (CBT-501) and U1160, Institut Universitaire d'Hématologie, Saint-Louis Hospital, Paris, France
| | - Nobuo Kanai
- Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan.,Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, Tokyo, Japan
| | - Kulwinder Dua
- Division of Gastroenterology and Hepatology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Marlène Durand
- University of Bordeaux, CHU Bordeaux, CIC1401 Inserm, Bordeaux, France.,Inserm, Bioingénierie Tissulaire, U1026, Bordeaux, France
| | - Pierre Cattan
- Cell Therapy Unit, AP-HP, Saint-Louis Hospital, Paris Diderot University, Paris, France.,INSERM, Clinical Investigation Center in Biotherapies (CBT-501) and U1160, Institut Universitaire d'Hématologie, Saint-Louis Hospital, Paris, France.,Department of Digestive and Endocrine Surgery, AP-HP, Saint-Louis Hospital, Paris Diderot University, Paris, France
| | - Takeshi Ohki
- Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan.,Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, Tokyo, Japan
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1044
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Diabetic sera disrupted the normal exosome signaling pathway in human mesenchymal stem cells in vitro. Cell Tissue Res 2018; 374:555-565. [DOI: 10.1007/s00441-018-2895-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 07/08/2018] [Indexed: 01/23/2023]
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1045
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Knockdown of TGF-β1 expression in human umbilical cord mesenchymal stem cells reverts their exosome-mediated EMT promoting effect on lung cancer cells. Cancer Lett 2018; 428:34-44. [DOI: 10.1016/j.canlet.2018.04.026] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 04/13/2018] [Accepted: 04/18/2018] [Indexed: 02/08/2023]
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1046
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de Kruijf EJF, Zuijderduijn R, Stip MC, Fibbe WE, van Pel M. Mesenchymal stromal cells induce a permissive state in the bone marrow that enhances G-CSF-induced hematopoietic stem cell mobilization in mice. Exp Hematol 2018; 64:59-70.e2. [DOI: 10.1016/j.exphem.2018.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/17/2018] [Accepted: 05/08/2018] [Indexed: 01/05/2023]
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1047
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Krueger TEG, Thorek DLJ, Denmeade SR, Isaacs JT, Brennen WN. Concise Review: Mesenchymal Stem Cell-Based Drug Delivery: The Good, the Bad, the Ugly, and the Promise. Stem Cells Transl Med 2018; 7:651-663. [PMID: 30070053 PMCID: PMC6127224 DOI: 10.1002/sctm.18-0024] [Citation(s) in RCA: 171] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 05/15/2018] [Accepted: 05/30/2018] [Indexed: 12/12/2022] Open
Abstract
The development of mesenchymal stem cells (MSCs) as cell‐based drug delivery vectors for numerous clinical indications, including cancer, has significant promise. However, a considerable challenge for effective translation of these approaches is the limited tumor tropism and broad biodistribution observed using conventional MSCs, which raises concerns for toxicity to nontarget peripheral tissues (i.e., the bad). Consequently, there are a variety of synthetic engineering platforms in active development to improve tumor‐selective targeting via increased homing efficiency and/or specificity of drug activation, some of which are already being evaluated clinically (i.e., the good). Unfortunately, the lack of robust quantification and widespread adoption of standardized methodologies with high sensitivity and resolution has made accurate comparisons across studies difficult, which has significantly impeded progress (i.e., the ugly). Herein, we provide a concise review of active and passive MSC homing mechanisms and biodistribution postinfusion; in addition to in vivo cell tracking methodologies and strategies to enhance tumor targeting with a focus on MSC‐based drug delivery strategies for cancer therapy. Stem Cells Translational Medicine2018;1–13
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Affiliation(s)
- Timothy E G Krueger
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Daniel L J Thorek
- Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Oncology at the Sidney Kimmel Comprehensive Cancer Center (SKCCC) at Johns Hopkins, Baltimore, Maryland, USA
| | - Samuel R Denmeade
- Department of Oncology at the Sidney Kimmel Comprehensive Cancer Center (SKCCC) at Johns Hopkins, Baltimore, Maryland, USA.,Department of Urology, James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - John T Isaacs
- Department of Oncology at the Sidney Kimmel Comprehensive Cancer Center (SKCCC) at Johns Hopkins, Baltimore, Maryland, USA.,Department of Urology, James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - W Nathaniel Brennen
- Department of Oncology at the Sidney Kimmel Comprehensive Cancer Center (SKCCC) at Johns Hopkins, Baltimore, Maryland, USA
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1048
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Kim M, Yun HW, Park DY, Choi BH, Min BH. Three-Dimensional Spheroid Culture Increases Exosome Secretion from Mesenchymal Stem Cells. Tissue Eng Regen Med 2018; 15:427-436. [PMID: 30603566 PMCID: PMC6171656 DOI: 10.1007/s13770-018-0139-5] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/22/2018] [Accepted: 06/24/2018] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Mass production of exosomes is a prerequisite for their commercial utilization. This study investigated whether three-dimensional (3D) spheroid culture of mesenchymal stem cells (MSCs) could improve the production efficiency of exosomes and if so, what was the mechanism involved. METHODS We adopted two models of 3D spheroid culture using the hanging-drop (3D-HD) and poly(2-hydroxyethyl methacrylate) (poly-HEMA) coating methods (3D-PH). The efficiency of exosome production from MSCs in the 3D spheroids was compared with that of monolayer culture in various conditions. We then investigated the mechanism of the 3D spheroid culture-induced increase in exosome production. RESULTS The 3D-HD formed a single larger spheroid, while the 3D-PH formed multiple smaller ones. However, MSCs cultured on both types of spheroids produced significantly more exosomes than those cultured in conventional monolayer culture (2D). We then investigated the cause of the increased exosome production in terms of hypoxia within the 3D spheroids, high cell density, and non-adherent cell morphology. With increasing spheroid size, the efficiency of exosome production was the largest with the least amount of cells in both 3D-HD and 3D-PH. An increase in cell density in 2D culture (2D-H) was less efficient in exosome production than the conventional, lower cell density, 2D culture. Finally, when cells were plated at normal density on the poly-HEMA coated spheroids (3D-N-PH); they formed small aggregates of less than 10 cells and still produced more exosomes than those in the 2D culture when plated at the same density. We also found that the expression of F-actin was markedly reduced in the 3D-N-PH culture. CONCLUSION These results suggested that 3D spheroid culture produces more exosomes than 2D culture and the non-adherent round cell morphology itself might be a causative factor. The result of the present study could provide useful information to develop an optimal process for the mass production of exosomes.
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Affiliation(s)
- Mijin Kim
- Department of Molecular Sciences and Technology, Ajou University, 206, World cup-ro, Yeongtong-gu, Woncheon-dong, Suwon, 16499 Republic of Korea
- Cell Therapy Center, Ajou University Medical Center, 206 World Cup-ro, Yeongtong-gu, Suwon, 16499 Republic of Korea
| | - Hee-Woong Yun
- Department of Molecular Sciences and Technology, Ajou University, 206, World cup-ro, Yeongtong-gu, Woncheon-dong, Suwon, 16499 Republic of Korea
- Cell Therapy Center, Ajou University Medical Center, 206 World Cup-ro, Yeongtong-gu, Suwon, 16499 Republic of Korea
| | - Do Young Park
- Department of Orthopedic Surgery, School of Medicine, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon, 16499 Republic of Korea
| | - Byung Hyune Choi
- Department of Biomedical Sciences, Inha University College of Medicine, 100 Inha-ro, Nam-gu, Incheon, 22212 Republic of Korea
| | - Byoung-Hyun Min
- Department of Molecular Sciences and Technology, Ajou University, 206, World cup-ro, Yeongtong-gu, Woncheon-dong, Suwon, 16499 Republic of Korea
- Cell Therapy Center, Ajou University Medical Center, 206 World Cup-ro, Yeongtong-gu, Suwon, 16499 Republic of Korea
- Department of Orthopedic Surgery, School of Medicine, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon, 16499 Republic of Korea
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1049
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The Effects of Conditioned Medium Derived from Mesenchymal Stem Cells Cocultured with Hepatocytes on Damaged Hepatocytes and Acute Liver Failure in Rats. Stem Cells Int 2018; 2018:9156560. [PMID: 30123296 PMCID: PMC6079333 DOI: 10.1155/2018/9156560] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 05/11/2018] [Accepted: 05/29/2018] [Indexed: 12/19/2022] Open
Abstract
Mesenchymal stem cells (MSCs) and hepatocytes are two attractive sources of cell-based therapies for acute liver failure (ALF). The cotransplantation of hepatocytes with MSCs can improve the therapeutic performance for the treatment of ALF. However, the therapeutic potential of conditioned medium (CM) derived from MSCs cocultured with hepatocytes (MSC-H-CM) remains unclear. The purpose of this study was to investigate the effects of MSC-H-CM on damaged hepatocytes in vitro and on D-galactosamine-induced ALF in vivo. D-Galactosamine-treated L02 cells cultured in MSC-H-CM exhibited higher of cell viability and total protein synthesis than L02 cells cultured in MSC-CM, CM derived from hepatocytes (H-CM), MSC-CM + H-CM, or with nonconditioned medium (NCM). Lactate dehydrogenase and aspartate aminotransferase levels were lower in the supernatant of damaged L02 cells cultured in MSC-H-CM than in that of L02 cells cultured in other types of CM. The lowest percentage of apoptotic cells was observed after the MSC-H-CM treatment. When CM was injected into the tail vein of rats with ALF, MSC-H-CM was the most successful at preventing the release of liver injury biomarkers and in promoting the recovery of liver structure. The greatest survival rate 7 days after the first treatment was observed in the MSC-H-CM-treated rats. Our results reveal that the delivery of MSC-H-CM could be a novel strategy for integrating the therapeutic potentials of hepatocytes and MSCs for the treatment of ALF.
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1050
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Langrzyk A, Nowak WN, Stępniewski J, Jaźwa A, Florczyk-Soluch U, Józkowicz A, Dulak J. Critical View on Mesenchymal Stromal Cells in Regenerative Medicine. Antioxid Redox Signal 2018; 29:169-190. [PMID: 28874054 DOI: 10.1089/ars.2017.7159] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
SIGNIFICANCE The belief in the potency of stem cells has resulted in the medical applications of numerous cell types for organ repair, often with the low adherence to methodological stringency. Such uncritical enthusiasm is mainly presented in the approaches employing so-called mesenchymal stem cells (MSC), for the treatment of numerous, unrelated conditions. However, it should be stressed that such broad clinical applications of MSC are mostly based on the belief that MSC can efficiently differentiate into multiple cell types, not only osteoblasts, chondrocytes and adipose cells. Recent Advances: Studies employing lineage tracing established more promising markers to characterize MSC identity and localization in vivo and confirmed the differences between MSC isolated from various organs. Furthermore, preclinical and clinical experiments proved that transdifferentiation of MSC is unlikely to contribute to repair of numerous tissues, including the heart. Therefore, the salvage hypotheses, like MSC fusion with cells in target organs or the paracrine mechanisms, were proposed to justify the widespread application of MSC and to explain transient, if any, effects. CRITICAL ISSUES The lack of standardization concerning the cells markers, their origin and particularly the absence of stringent functional characterization of MSC, leads to propagation of the worrying hype despite the lack of convincing therapeutic efficiency of MSC. FUTURE DIRECTIONS The adherence to rigorous methodological rules is necessary to prevent the application of procedures which can be dangerous for patients and scientific research on the medical application of stem cells. Antioxid. Redox Signal. 00, 000-000.
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Affiliation(s)
| | - Witold N Nowak
- 2 Cardiovascular Division, King's College London , London, United Kingdom .,3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
| | - Jacek Stępniewski
- 3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
| | - Agnieszka Jaźwa
- 3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
| | - Urszula Florczyk-Soluch
- 3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
| | - Alicja Józkowicz
- 3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
| | - Józef Dulak
- 1 Kardio-Med Silesia , Zabrze, Poland .,3 Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University , Kraków, Poland
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