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Dutta Gupta S, Sen A, Priyadarshi P, Ta M. Enzyme-free isolation of mesenchymal stem cells from decidua basalis of the human placenta. STAR Protoc 2023; 4:102498. [PMID: 37573500 PMCID: PMC10448424 DOI: 10.1016/j.xpro.2023.102498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/07/2023] [Accepted: 07/18/2023] [Indexed: 08/15/2023] Open
Abstract
Mesenchymal stem cells (MSCs), also referred to as "medicinal signaling cells," have gained prominence as candidates for cell-based therapy and in clinical trials owing to their regenerative and therapeutic properties. Here, we present a protocol for isolating MSCs from the decidua basalis layer of human placenta using an explant culture approach. We describe steps for collecting, disinfecting, and plating placental tissue. We then detail procedures for characterizing the isolated MSCs through flow cytometry and in vitro differentiation.
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Affiliation(s)
- Srishti Dutta Gupta
- Department of Biological Sciences, Indian Institute of Science Education and Research, Kolkata (IISER Kolkata), Nadia, West Bengal 741246, India
| | - Ankita Sen
- Department of Biological Sciences, Indian Institute of Science Education and Research, Kolkata (IISER Kolkata), Nadia, West Bengal 741246, India
| | - Priyanshu Priyadarshi
- Department of Biological Sciences, Indian Institute of Science Education and Research, Kolkata (IISER Kolkata), Nadia, West Bengal 741246, India
| | - Malancha Ta
- Department of Biological Sciences, Indian Institute of Science Education and Research, Kolkata (IISER Kolkata), Nadia, West Bengal 741246, India.
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2
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The Influence of Intervertebral Disc Microenvironment on the Biological Behavior of Engrafted Mesenchymal Stem Cells. Stem Cells Int 2022; 2022:8671482. [DOI: 10.1155/2022/8671482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/09/2022] Open
Abstract
Intervertebral disc degeneration is the main cause of low back pain. Traditional treatment methods cannot repair degenerated intervertebral disc tissue. The emergence of stem cell therapy makes it possible to regenerate and repair degenerated intervertebral disc tissue. At present, mesenchymal stem cells are the most studied, and different types of mesenchymal stem cells have their own characteristics. However, due to the harsh and complex internal microenvironment of the intervertebral disc, it will affect the biological behaviors of the implanted mesenchymal stem cells, such as viability, proliferation, migration, and chondrogenic differentiation, thereby affecting the therapeutic effect. This review is aimed at summarizing the influence of each intervertebral disc microenvironmental factor on the biological behavior of mesenchymal stem cells, so as to provide new ideas for using tissue engineering technology to assist stem cells to overcome the influence of the microenvironment in the future.
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Heat-Induced Proteotoxic Stress Response in Placenta-Derived Stem Cells (PDSCs) Is Mediated through HSPA1A and HSPA1B with a Potential Higher Role for HSPA1B. Curr Issues Mol Biol 2022; 44:4748-4768. [PMID: 36286039 PMCID: PMC9600182 DOI: 10.3390/cimb44100324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/28/2022] [Accepted: 10/07/2022] [Indexed: 11/18/2022] Open
Abstract
Placenta-derived stem cells (PDSCs), due to unique traits such as mesenchymal and embryonic characteristics and the absence of ethical constraints, are in a clinically and therapeutically advantageous position. To aid in stemness maintenance, counter pathophysiological stresses, and withstand post-differentiation challenges, stem cells require elevated protein synthesis and consequently augmented proteostasis. Stem cells exhibit source-specific proteostasis traits, making it imperative to study them individually from different sources. These studies have implications for understanding stem cell biology and exploitation in the augmentation of therapeutic applications. Here, we aim to identify the primary determinants of proteotoxic stress response in PDSCs. We generated heat-induced dose-responsive proteotoxic stress models of three stem cell types: placental origin cells, the placenta-derived mesenchymal stem cells (pMSCs), maternal origin cells, the decidua parietalis mesenchymal stem cells (DPMSCs), and the maternal–fetal interface cells, decidua basalis mesenchymal stem cells (DBMSCs), and measured stress induction through biochemical and cell proliferation assays. RT-PCR array analysis of 84 genes involved in protein folding and protein quality control led to the identification of Hsp70 members HSPA1A and HSPA1B as the prominent ones among 17 significantly expressed genes and with further analysis at the protein level through Western blotting. A kinetic analysis of HSPA1A and HSPA1B gene and protein expression allowed a time series evaluation of stress response. As identified by protein expression, an active stress response is in play even at 24 h. More prominent differences in expression between the two homologs are detected at the translational level, alluding to a potential higher requirement for HSPA1B during proteotoxic stress response in PDSCs.
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Zhu Y, Fu W. Peripheral Blood-Derived Stem Cells for the Treatment of Cartilage Injuries: A Systematic Review. Front Bioeng Biotechnol 2022; 10:956614. [PMID: 35935493 PMCID: PMC9355401 DOI: 10.3389/fbioe.2022.956614] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/22/2022] [Indexed: 11/13/2022] Open
Abstract
Background: The treatment of cartilage damage is a hot topic at present, and cell therapy is an emerging alternative therapy. Stem cells derived from peripheral blood have become the focus of current research due to the ease of obtaining materials and a wide range of sources.Methods: We used a text search strategy using the [“mesenchymal stem cells” (MeSH term) OR “MSC” OR “BMMSC” OR “PBMSC” OR” PBMNC” OR “peripheral blood stem cells”] AND (cartilage injury [MeSH term] OR “cartilage” OR “chondral lesion”). After searching the literature, through the inclusion and exclusion criteria, the last included articles were systematically reviewed.Result: We found that peripheral blood-derived stem cells have chondrogenic differentiation ability and can induce chondrogenic differentiation and repair in vivo and have statistical significance in clinical and imaging prognosis. It is an improvement of academic differences. Compared with the bone marrow, peripheral blood is easier to obtain, widely sourced, and simple to obtain. In the future, peripheral blood will be a more potential cell source for cell therapy in the treatment of cartilage damage.Conclusion: Stem cells derived from peripheral blood can repair cartilage and are an important resource for the treatment of cartilage damage in the future. The specific mechanism and way of repairing cartilage need further study.
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He YB, Zhang L, Zhou LL, Chen YM, Lu JH, Chen J, Liu YL. Effect of human follicle-stimulating hormone on immunomodulatory function of decidual mesenchymal stem cells by reducing interleukin-6 levels. J Ovarian Res 2022; 15:60. [PMID: 35562770 PMCID: PMC9102716 DOI: 10.1186/s13048-022-00993-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 05/01/2022] [Indexed: 11/30/2022] Open
Abstract
Objective Women with an elevated basal FSH indicate diminished ovarian reserve and reduced oocyte and embryo numbers. DMSCs are likely to be involved in immune tolerance of pregnancy maintenance. We investigate the effect of follicle-stimulating hormones on the immunomodulatory functions of DMSCs. Methods DMSCs were primary cultured from decidual tissue. Pretreated DMSCs with mitomycin C, combined with CD4+ T lymphocytes, DMSCs + CD4+T co-culture system was established. Different physiological dose FSH (3 ng/ml,10 ng/ml,30 ng/ml,100 ng/ml) were used to co-culture system. Cytokines (IFN-γ, IL-2, IL-4, IL-6, IL-10, TNF-α) and other proteins (FSHR, MyD88) were measured. Results Compared with the control group (FSH (0 ng/mL) + CD4+T + DMSCs), the FSH concentration was 10, 30, and 100 ng/ml, IL-6 levels were significantly reduced (P < 0.05). IL-6, MyD88 protein expression was remarkably decreased (P < 0.05). Conclusion FSH/FSHR could negatively regulate the immunosuppressive function of DMSCs by reducing secretion of IL-6 levels through MyD88 pathways, but upstream and downstream signalling pathways require further validation. Supplementary Information The online version contains supplementary material available at 10.1186/s13048-022-00993-3.
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Affiliation(s)
- Yi-Bo He
- Department of Clinical Lab, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, China
| | - Li Zhang
- Obstetrics and Gynecology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, China
| | - Lin-Li Zhou
- Department of Clinical Lab, The Third District of the Chinese People's Liberation Army Air Force Hangzhou Special Service Rehabilitation Center, 76 Yuhuangshan Road, Hangzhou, 310012, China
| | - Yi-Min Chen
- Department of Clinical Lab, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, China
| | - Jia-Hong Lu
- Obstetrics and Gynecology, The First People's Hospital of Xiaoshan District, 199, Xinnan Road, HangzhouHangzhou, 311200, China
| | - Jie Chen
- Department of Endocrinology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, 310006, Hangzhou, China
| | - Yong-Lin Liu
- Reproductive Centre, Sanya Women and Children's Hospital Managed By Shanghai Children's Medical Center, 339 Yingbin Road, Sanya, 572000, China.
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Alshareef GH, Mohammed AE, Abumaree M, Basmaeil YS. Phenotypic and Functional Responses of Human Decidua Basalis Mesenchymal Stem/Stromal Cells to Lipopolysaccharide of Gram-Negative Bacteria. STEM CELLS AND CLONING-ADVANCES AND APPLICATIONS 2021; 14:51-69. [PMID: 34754198 PMCID: PMC8572118 DOI: 10.2147/sccaa.s332952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 10/11/2021] [Indexed: 12/24/2022]
Abstract
Introduction Human decidua basalis mesenchymal stem cells (DBMSCs) are potential therapeutics for the medication to cure inflammatory diseases, like atherosclerosis. The current study investigates the capacity of DBMSCs to stay alive and function in a harmful inflammatory environment induced by high levels of lipopolysaccharide (LPS). Methods DBMSCs were exposed to different levels of LPS, and their viability and functional responses (proliferation, adhesion, and migration) were examined. Furthermore, DBMSCs’ expression of 84 genes associated with their functional activities in the presence of LPS was investigated. Results Results indicated that LPS had no significant effect on DBMSCs’ adhesion, migration, and proliferation (24 h and 72 h) (p > 0.05). However, DBMSCs’ proliferation was significantly reduced at 10 µg/mL of LPS at 48 h (p < 0.05). In addition, inflammatory cytokines and receptors related to adhesion, proliferation, migration, and differentiation were significantly overexpressed when DBMSCs were treated with 10 µg/mL of LPS (p < 0.05). Conclusion These results indicated that DBMSCs maintained their functional activities (proliferation, adhesion, and migration) in the presence of LPS as there was no variation between the treated DBMSCs and the control group. This study will lay the foundation for future preclinical and clinical studies to confirm the appropriateness of DBMSCs as a potential medication to cure inflammatory diseases, like atherosclerosis.
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Affiliation(s)
- Ghofran Hasan Alshareef
- Biology Department, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 84428, Saudi Arabia
| | - Afrah E Mohammed
- Biology Department, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 84428, Saudi Arabia
| | - Mohammed Abumaree
- Stem Cell & Regenerative Medicine Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia.,College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, 11481, Saudi Arabia
| | - Yasser S Basmaeil
- Stem Cell & Regenerative Medicine Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
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Silini AR, Di Pietro R, Lang-Olip I, Alviano F, Banerjee A, Basile M, Borutinskaite V, Eissner G, Gellhaus A, Giebel B, Huang YC, Janev A, Kreft ME, Kupper N, Abadía-Molina AC, Olivares EG, Pandolfi A, Papait A, Pozzobon M, Ruiz-Ruiz C, Soritau O, Susman S, Szukiewicz D, Weidinger A, Wolbank S, Huppertz B, Parolini O. Perinatal Derivatives: Where Do We Stand? A Roadmap of the Human Placenta and Consensus for Tissue and Cell Nomenclature. Front Bioeng Biotechnol 2020; 8:610544. [PMID: 33392174 PMCID: PMC7773933 DOI: 10.3389/fbioe.2020.610544] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 11/23/2020] [Indexed: 02/05/2023] Open
Abstract
Progress in the understanding of the biology of perinatal tissues has contributed to the breakthrough revelation of the therapeutic effects of perinatal derivatives (PnD), namely birth-associated tissues, cells, and secreted factors. The significant knowledge acquired in the past two decades, along with the increasing interest in perinatal derivatives, fuels an urgent need for the precise identification of PnD and the establishment of updated consensus criteria policies for their characterization. The aim of this review is not to go into detail on preclinical or clinical trials, but rather we address specific issues that are relevant for the definition/characterization of perinatal cells, starting from an understanding of the development of the human placenta, its structure, and the different cell populations that can be isolated from the different perinatal tissues. We describe where the cells are located within the placenta and their cell morphology and phenotype. We also propose nomenclature for the cell populations and derivatives discussed herein. This review is a joint effort from the COST SPRINT Action (CA17116), which broadly aims at approaching consensus for different aspects of PnD research, such as providing inputs for future standards for the processing and in vitro characterization and clinical application of PnD.
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Affiliation(s)
- Antonietta Rosa Silini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza-Istituto Ospedaliero, Brescia, Italy
| | - Roberta Di Pietro
- Department of Medicine and Ageing Sciences, G. d’Annunzio University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, G. d’Annunzio Foundation, G. d’Annunzio University of Chieti-Pescara, Chieti, Italy
| | - Ingrid Lang-Olip
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Francesco Alviano
- Department of Experimental, Diagnostic and Specialty Medicine, Unit of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy
| | - Asmita Banerjee
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mariangela Basile
- Department of Medicine and Ageing Sciences, G. d’Annunzio University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, G. d’Annunzio Foundation, G. d’Annunzio University of Chieti-Pescara, Chieti, Italy
| | - Veronika Borutinskaite
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Günther Eissner
- Systems Biology Ireland, School of Medicine, University College Dublin, Dublin, Ireland
| | - Alexandra Gellhaus
- Department of Gynecology and Obstetrics, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Bernd Giebel
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Yong-Can Huang
- Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Aleksandar Janev
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Mateja Erdani Kreft
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Nadja Kupper
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Ana Clara Abadía-Molina
- Instituto de Biopatología y Medicina Regenerativa, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Universidad de Granada, Granada, Spain
| | - Enrique G. Olivares
- Instituto de Biopatología y Medicina Regenerativa, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Universidad de Granada, Granada, Spain
- Unidad de Gestión Clínica Laboratorios, Hospital Universitario Clínico San Cecilio, Granada, Spain
| | - Assunta Pandolfi
- StemTeCh Group, G. d’Annunzio Foundation, G. d’Annunzio University of Chieti-Pescara, Chieti, Italy
- Vascular and Stem Cell Biology, Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, CAST (Center for Advanced Studies and Technology, ex CeSI-MeT), Chieti, Italy
| | - Andrea Papait
- Centro di Ricerca E. Menni, Fondazione Poliambulanza-Istituto Ospedaliero, Brescia, Italy
- Department of Life Science and Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Michela Pozzobon
- Stem Cells and Regenerative Medicine Lab, Department of Women’s and Children’s Health, University of Padova, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Carmen Ruiz-Ruiz
- Instituto de Biopatología y Medicina Regenerativa, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Universidad de Granada, Granada, Spain
| | - Olga Soritau
- The Oncology Institute “Prof. Dr. Ion Chiricuta”, Cluj-Napoca, Romania
| | - Sergiu Susman
- Department of Morphological Sciences-Histology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
- Department of Pathology, IMOGEN Research Center, Cluj-Napoca, Romania
| | - Dariusz Szukiewicz
- Department of General and Experimental Pathology with Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Warsaw, Poland
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Susanne Wolbank
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Berthold Huppertz
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Ornella Parolini
- Department of Life Science and Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, Rome, Italy
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Mesenchymal Stem/Progenitor Cells: The Prospect of Human Clinical Translation. Stem Cells Int 2020; 2020:8837654. [PMID: 33953753 PMCID: PMC8063852 DOI: 10.1155/2020/8837654] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/19/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem/progenitor cells (MSCs) are key players in regenerative medicine, relying principally on their differentiation/regeneration potential, immunomodulatory properties, paracrine effects, and potent homing ability with minimal if any ethical concerns. Even though multiple preclinical and clinical studies have demonstrated remarkable properties for MSCs, the clinical applicability of MSC-based therapies is still questionable. Several challenges exist that critically hinder a successful clinical translation of MSC-based therapies, including but not limited to heterogeneity of their populations, variability in their quality and quantity, donor-related factors, discrepancies in protocols for isolation, in vitro expansion and premodification, and variability in methods of cell delivery, dosing, and cell homing. Alterations of MSC viability, proliferation, properties, and/or function are also affected by various drugs and chemicals. Moreover, significant safety concerns exist due to possible teratogenic/neoplastic potential and transmission of infectious diseases. Through the current review, we aim to highlight the major challenges facing MSCs' human clinical translation and shed light on the undergoing strategies to overcome them.
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Salehinejad P, Moshrefi M, Eslaminejad T. An Overview on Mesenchymal Stem Cells Derived from Extraembryonic Tissues: Supplement Sources and Isolation Methods. STEM CELLS AND CLONING-ADVANCES AND APPLICATIONS 2020; 13:57-65. [PMID: 32753904 PMCID: PMC7354009 DOI: 10.2147/sccaa.s248519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 06/25/2020] [Indexed: 11/23/2022]
Abstract
Purpose The main aim of this review was to provide an updated comprehensive report regarding isolation methods of MSCs from human extra embryonic tissues, including cord blood, amniotic fluid, and different parts of the placenta and umbilical cord, with respect to the efficacy of these methods. Results Extra embryonic tissues are the most available source for harvesting of mesenchymal stem cells (MSCs). They make a large number of cells accessible using non-invasive methods of isolation and the least immune-rejection reactions. A successful culture of primary cells requires obtaining a maximum yield of functional and viable cells from the tissues. In addition, there are many reports associated with their differentiation into various kinds of cells, and there are some clinical trials regarding their utilization for patients. Conclusion Currently, cord blood-MSCs have been tested for cartilage and lung diseases. Umbilical cord-MSCs were tested for liver and neural disorders. However, these MSCs can be isolated, expanded, and cryopreserved in a cell bank for patients in need.
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Affiliation(s)
- Parvin Salehinejad
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mojgan Moshrefi
- Medical Nanotechnology and Tissue Engineering Research Center, Yazd Reproductive Science Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Research and Clinical Center for Infertility, Yazd Reproductive Science Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Touba Eslaminejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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10
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Isolation of mesenchymal stem cells from Pap smear samples. Obstet Gynecol Sci 2020; 63:594-604. [PMID: 32698560 PMCID: PMC7494764 DOI: 10.5468/ogs.20073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 05/25/2020] [Indexed: 12/29/2022] Open
Abstract
Objective Exploiting their ability to differentiate into mesenchymal lineages like cartilage, bone, fat, and muscle, and to elicit paracrine effects, mesenchymal stem cells (MSCs) are widely used in clinical settings to treat tissue injuries and autoimmune disorders. One of accessible sources of MSC is the samples used for Papanicolaou (Pap) test, which is a cervical screening method for detecting potentially pre-cancerous and cancerous alterations in the cervical cells and to diagnose genetic abnormalities in fetuses. This study aimed to identify and isolate the stem cells from Pap smear samples collected from pregnant women, and to trace the origin of these cells to maternal or fetal tissue, and characterize their stem cell properties. Methods To investigate the possibility and efficiency of establishing MSC lines from the Pap smear samples, we were able to establish 6 cell lines from Pap smear samples from 60 pregnant women at different stages of gestation. Results The 3 cell lines randomly selected among the 6 established in this study, displayed high proliferation rates, several characteristics of MSCs, and the capacity to differentiate into adipocytes, osteocytes, and chondrocytes. Our study identified that the stem cell lines obtainable from Pap smear sampling were uterine cervical stromal cells (UCSCs) and had 10% efficiency of establishment. Conclusion Despite their low efficiency of establishment, human UCSCs from Pap smear samples can become a simple, safe, low-cost, and donor-specific source of MSCs for stem cell therapy and regenerative medicine.
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11
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Basmaeil YS, Bahattab E, Alshabibi MA, Abomaray FM, Abumaree M, Khatlani T. Human Decidua Basalis mesenchymal stem/stromal cells reverse the damaging effects of high level of glucose on endothelial cells in vitro. J Cell Mol Med 2020; 25:1838-1850. [PMID: 32500631 PMCID: PMC7882938 DOI: 10.1111/jcmm.15248] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/20/2020] [Accepted: 03/01/2020] [Indexed: 12/19/2022] Open
Abstract
Recently, we reported the therapeutic potential of mesenchymal stem/stromal cells (MSCs) from the maternal decidua basalis tissue of human term placenta (DBMSCs) to treat inflammatory diseases, such as atherosclerosis and cancer. DMSCs protect endothelial cell functions from the negative effects of oxidative stress mediators including hydrogen peroxide (H2O2) and monocytes. In addition, DBMSCs induce the generation of anti‐cancer immune cells known as M1 macrophages. Diabetes is another inflammatory disease where endothelial cells are injured by H2O2 produced by high level of glucose (hyperglycaemia), which is associated with development of thrombosis. Here, we investigated the ability of DBMSCs to reverse the damaging effects of high levels of glucose on endothelial cells. DBMSCs and endothelial cells were isolated from human placental and umbilical cord tissues, respectively. Endothelial cells were incubated with glucose in presence of DBMSCs, and their functions were evaluated. The effect of DBMSCs on glucose‐ treated endothelial cell expression of genes was also determined. DBMSCs reversed the effects of glucose on endothelial cell functions including proliferation, migration, angiogenesis and permeability. In addition, DBMSCs modified the expression of several genes mediating essential endothelial cell functions including survival, apoptosis, permeability and angiogenesis. We report the first evidence that DBMSCs protect the functions of endothelial cells from the damaging effects of glucose. Based on these results, we establish that DBMSCs are promising therapeutic agents to repair glucose‐induced endothelial cell injury in diabetes. However, these finding must be investigated further to determine the pathways underlying the protective role of DBMSCs on glucose‐stimulated endothelial cell Injury.
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Affiliation(s)
- Yasser S Basmaeil
- Stem Cells and Regenerative Medicine Department, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
| | - Eman Bahattab
- National Center for Stem Cell Technology, Life Sciences and Environment Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Manal A Alshabibi
- National Center for Stem Cell Technology, Life Sciences and Environment Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Fawaz M Abomaray
- Department of Clinical Science, Intervention and Technology, Division of Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | - Mohamed Abumaree
- Stem Cells and Regenerative Medicine Department, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia.,College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
| | - Tanvir Khatlani
- Stem Cells and Regenerative Medicine Department, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
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12
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Strontium Promotes the Proliferation and Osteogenic Differentiation of Human Placental Decidual Basalis- and Bone Marrow-Derived MSCs in a Dose-Dependent Manner. Stem Cells Int 2019; 2019:4242178. [PMID: 31885606 PMCID: PMC6893266 DOI: 10.1155/2019/4242178] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/28/2019] [Accepted: 08/22/2019] [Indexed: 02/05/2023] Open
Abstract
The osteogenic potential of mesenchymal stromal cells (MSCs) varies among different tissue sources. Strontium enhances the osteogenic differentiation of bone marrow-derived MSCs (BM-MSCs), but whether it exerts similar effects on placental decidual basalis-derived MSCs (PDB-MSCs) remains unknown. Here, we compared the influence of strontium on the proliferation and osteogenic differentiation of human PDB- and BM-MSCs in vitro. We found that 1 mM and 10 mM strontium, but not 0.1 mM strontium, evidently promoted the proliferation of human PDB- and BM-MSCs. These doses of strontium showed a comparable alkaline phosphatase activity in both cell types, but their osteogenic gene expressions were promoted in a dose-dependent manner. Strontium at doses of 0.1 mM and 1 mM elevated several osteogenic gene expressions of PDB-MSCs, but not those of BM-MSCs at an early stage. Nevertheless, they failed to enhance the mineralization of either cell type. By contrast, 10 mM strontium facilitated the osteogenic gene expression as well as the mineralization of human PDB- and BM-MSCs. Collectively, this study demonstrated that human PDB- and BM-MSCs shared a great similarity in response to strontium, which promoted their proliferation and osteogenic differentiation in a dose-dependent manner.
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Borem R, Madeline A, Bowman M, Gill S, Tokish J, Mercuri J. Differential Effector Response of Amnion- and Adipose-Derived Mesenchymal Stem Cells to Inflammation; Implications for Intradiscal Therapy. J Orthop Res 2019; 37:2445-2456. [PMID: 31287173 DOI: 10.1002/jor.24412] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 06/25/2019] [Indexed: 02/04/2023]
Abstract
Intervertebral disc degeneration (IVDD) is a progressive condition marked by tissue destruction and inflammation. The therapeutic effector functions of mesenchymal stem cells (MSCs) makes them an attractive therapy for patients with IVDD. While several sources of MSCs exist, the optimal choice for use in the inflamed IVD remains a significant question. Adipose (AD)- and amnion (AM)-derived MSCs have several advantages compared with other sources, however, no study has directly compared the impact of IVDD inflammation on their effector functions. Human MSCs were cultured in media with or without supplementation of interleukin-1β (IL-1β) and tumor necrosis factor-α at concentrations reportedly produced by IVDD cells. MSC proliferation and production of pro- and anti-inflammatory cytokines were quantified following 24 and 48 h of culture. Additionally, the osteogenic and chondrogenic potential of AD- and AM-MSCs was characterized via histology and biochemical analysis following 28 days of culture. In inflammatory culture, AM-MSCs produced significantly more anti-inflammatory IL-10 (14.47 ± 2.39 pg/ml; p = 0.004) and larger chondrogenic pellets (5.67 ± 0.26 mm2 ; p = 0.04) with greater percent area staining positively for glycosaminoglycan (82.03 ± 3.26%; p < 0.001) compared with AD-MSCs (0.00 ± 0.00 pg/ml; 2.76 ± 0.18 mm2 ; 34.75 ± 2.49%; respectively). Conversely, AD-MSCs proliferated more resulting in higher cell numbers (221,000 ± 8,021 cells; p = 0.048) and produced higher concentrations of pro-inflammatory cytokines prostaglandin E2 (1,118.30 ± 115.56 pg/ml; p = 0.030) and IL-1β (185.40 ± 7.63 pg/ml; p = 0.010) compared with AM-MSCs (109,667 ± 5,696 cells; 1,291.40 ± 78.47 pg/ml; 144.10 ± 4.57 pg/ml; respectively). AD-MSCs produced more mineralized extracellular matrix (3.34 ± 0.05 relative absorbance units [RAU]; p < 0.001) compared with AM-MSCs (1.08 ± 0.06 RAU). Under identical inflammatory conditions, a different effector response was observed with AM-MSCs producing more anti-inflammatories and demonstrating enhanced chondrogenesis compared with AD-MSCs, which produced more pro-inflammatory cytokines and demonstrated enhanced osteogenesis. These findings may begin to help inform researchers which MSC source may be optimal for IVD regeneration. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:2445-2456, 2019.
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Affiliation(s)
- Ryan Borem
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Allison Madeline
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Mackenzie Bowman
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Sanjitpal Gill
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634.,Department of Orthopaedic Surgery, Medical Group of the Carolinas-Pelham, Spartanburg Regional Healthcare System, Greer, South Carolina, 29651
| | - John Tokish
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634.,Department of Orthopaedic Surgery, Mayo Clinic, Phoenix, Arizona, 85054
| | - Jeremy Mercuri
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
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Comparison of the Proliferation and Differentiation Potential of Human Urine-, Placenta Decidua Basalis-, and Bone Marrow-Derived Stem Cells. Stem Cells Int 2018; 2018:7131532. [PMID: 30651734 PMCID: PMC6311712 DOI: 10.1155/2018/7131532] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 09/05/2018] [Accepted: 10/04/2018] [Indexed: 02/06/2023] Open
Abstract
Human multipotent stem cell-based therapies have shown remarkable potential in regenerative medicine and tissue engineering applications due to their abilities of self-renewal and differentiation into multiple adult cell types under appropriate conditions. Presently, human multipotent stem cells can be isolated from different sources, but variation among their basic biology can result in suboptimal selection of seed cells in preclinical and clinical research. Thus, the goal of this study was to compare the biological characteristics of multipotent stem cells isolated from human bone marrow, placental decidua basalis, and urine, respectively. First, we found that urine-derived stem cells (USCs) displayed different morphologies compared with other stem cell types. USCs and placenta decidua basalis-derived mesenchymal stem cells (PDB-MSCs) had superior proliferation ability in contrast to bone marrow-derived mesenchymal stem cells (BMSCs); these cells grew to have the highest colony-forming unit (CFU) counts. In phenotypic analysis using flow cytometry, similarity among all stem cell marker expression was found, excluding CD29 and CD105. Regarding stem cell differentiation capability, USCs were observed to have better adipogenic and endothelial abilities as well as vascularization potential compared to BMSCs and PDB-MSCs. As for osteogenic and chondrogenic induction, BMSCs were superior to all three stem cell types. Future therapeutic indications and clinical applications of BMSCs, PDB-MSCs, and USCs should be based on their characteristics, such as growth kinetics and differentiation capabilities.
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Human decidua basalis mesenchymal stem/stromal cells protect endothelial cell functions from oxidative stress induced by hydrogen peroxide and monocytes. Stem Cell Res Ther 2018; 9:275. [PMID: 30359307 PMCID: PMC6202803 DOI: 10.1186/s13287-018-1021-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/17/2018] [Accepted: 09/28/2018] [Indexed: 01/28/2023] Open
Abstract
Background Human decidua basalis mesenchymal stem/multipotent stromal cells (DBMSCs) inhibit endothelial cell activation by inflammation induced by monocytes. This property makes them a promising candidate for cell-based therapy to treat inflammatory diseases, such as atherosclerosis. This study was performed to examine the ability of DBMSCs to protect endothelial cell functions from the damaging effects resulting from exposure to oxidatively stress environment induced by H2O2 and monocytes. Methods DBMSCs were co-cultured with endothelial cells isolated from human umbilical cord veins in the presence of H2O2 and monocytes, and various functions of endothelial cell were then determined. The effect of DBMSCs on monocyte adhesion to endothelial cells in the presence of H2O2 was also examined. In addition, the effect of DBMSCs on HUVEC gene expression under the influence of H2O2 was also determined. Results DBMSCs reversed the effect of H2O2 on endothelial cell functions. In addition, DBMSCs reduced monocyte adhesion to endothelial cells and also reduced the stimulatory effect of monocytes on endothelial cell proliferation in the presence of H2O2. Moreover, DBMSCs modified the expression of many genes mediating important endothelial cell functions. Finally, DBMSCs increased the activities of glutathione and thioredoxin reductases in H2O2-treated endothelial cells. Conclusions We conclude that DBMSCs have potential for therapeutic application in inflammatory diseases, such as atherosclerosis by protecting endothelial cells from oxidative stress damage. However, more studies are needed to elucidate this further.
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Preconditioning by Hydrogen Peroxide Enhances Multiple Properties of Human Decidua Basalis Mesenchymal Stem/Multipotent Stromal Cells. Stem Cells Int 2018; 2018:6480793. [PMID: 29795719 PMCID: PMC5949187 DOI: 10.1155/2018/6480793] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 03/26/2018] [Indexed: 02/06/2023] Open
Abstract
Stem cell-based therapies rely on stem cell ability to repair in an oxidative stress environment. Preconditioning of mesenchymal stem cells (MSCs) to a stress environment has beneficial effects on their ability to repair injured tissues. We previously reported that MSCs from the decidua basalis (DBMSCs) of human placenta have many important cellular functions that make them potentially useful for cell-based therapies. Here, we studied the effect of DBMSC preconditioning to a stress environment. DBMSCs were exposed to various concentrations of hydrogen peroxide (H2O2), and their functions were then assessed. DBMSC expression of immune molecules after preconditioning was also determined. DBMSC preconditioning with H2O2 enhanced their proliferation, colonogenicity, adhesion, and migration. In addition, DBMSCs regardless of H2O2 treatment displayed antiangiogenic activity. H2O2 preconditioning also increased DBMSC expression of genes that promote cellular functions and decreased the expression of genes, which have opposite effect on their functions. Preconditioning also reduced DBMSC expression of IL-1β, but had no effects on the expression of other immune molecules that promote proliferation, adhesion, and migration. These data show that DBMSCs resist a toxic environment, which adds to their potential as a candidate stem cell type for treating various diseases in hostile environments.
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Bollini S, Silini AR, Banerjee A, Wolbank S, Balbi C, Parolini O. Cardiac Restoration Stemming From the Placenta Tree: Insights From Fetal and Perinatal Cell Biology. Front Physiol 2018; 9:385. [PMID: 29695981 PMCID: PMC5904405 DOI: 10.3389/fphys.2018.00385] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 03/28/2018] [Indexed: 12/27/2022] Open
Abstract
Efficient cardiac repair and ultimate regeneration still represents one of the main challenges of modern medicine. Indeed, cardiovascular disease can derive from independent conditions upsetting heart structure and performance: myocardial ischemia and infarction (MI), pharmacological cardiotoxicity, and congenital heart defects, just to name a few. All these disorders have profound consequences on cardiac tissue, inducing the onset of heart failure over time. Since the cure is currently represented by heart transplantation, which is extremely difficult due to the shortage of donors, much effort is being dedicated to developing innovative therapeutic strategies based on stem cell exploitation. Among the broad scenario of stem/progenitor cell subpopulations, fetal and perinatal sources, namely amniotic fluid and term placenta, have gained interest due to their peculiar regenerative capacity, high self-renewal capability, and ease of collection from clinical waste material. In this review, we will provide the state-of-the-art on fetal perinatal stem cells for cardiac repair and regeneration. We will discuss different pathological conditions and the main therapeutic strategies proposed, including cell transplantation, putative paracrine therapy, reprogramming, and tissue engineering approaches.
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Affiliation(s)
- Sveva Bollini
- Regenerative Medicine Laboratory, Department of Experimental Medicine, University of Genova, Genova, Italy
| | - Antonietta R Silini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza - Istituto Ospedaliero, Brescia, Italy
| | - Asmita Banerjee
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Susanne Wolbank
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Carolina Balbi
- Regenerative Medicine Laboratory, Department of Experimental Medicine, University of Genova, Genova, Italy
| | - Ornella Parolini
- Centro di Ricerca E. Menni, Fondazione Poliambulanza - Istituto Ospedaliero, Brescia, Italy.,Institute of Human Anatomy and Cell Biology, "A. Gemelli" Faculty of Medicine and Surgery, Catholic University of the Sacred Heart, Rome, Italy
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Werle SB, Chagastelles P, Pranke P, Casagrande L. Hypoxia upregulates the expression of the pluripotency markers in the stem cells from human deciduous teeth. Clin Oral Investig 2018; 23:199-207. [DOI: 10.1007/s00784-018-2427-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 03/19/2018] [Indexed: 12/28/2022]
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Ventura Ferreira MS, Bienert M, Müller K, Rath B, Goecke T, Opländer C, Braunschweig T, Mela P, Brümmendorf TH, Beier F, Neuss S. Comprehensive characterization of chorionic villi-derived mesenchymal stromal cells from human placenta. Stem Cell Res Ther 2018; 9:28. [PMID: 29402304 PMCID: PMC5800083 DOI: 10.1186/s13287-017-0757-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 11/29/2017] [Accepted: 12/19/2017] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Studies in which mesenchymal stromal cells (MSC) from the placenta are compared with multiple MSC types from other sources are rare. The chorionic plate of the human placenta is mainly composed of fetal blood vessels embedded in fetal stroma tissue, lined by trophoblastic cells and organized into chorionic villi (CV) structures. METHODS We comprehensively characterized human MSC collected from postnatal human chorionic villi of placenta (CV-MSC) by analyzing their growth and proliferation potential, differentiation, immunophenotype, extracellular matrix production, telomere length, aging phenotype, and plasticity. RESULTS Immunophenotypic characterization of CV-MSC confirmed the typical MSC marker expression as defined by the International Society for Cellular Therapy. The surface marker profile was consistent with increased potential for proliferation, vascular localization, and early myogenic marker expression. CV-MSC retained multilineage differentiation potential and extracellular matrix remodeling properties. They have undergone reduced telomere loss and delayed onset of cellular senescence as they aged in vitro compared to three other MSC sources. We present evidence that increased human telomerase reverse transcriptase gene expression could not explain the exceptional telomere maintenance and senescence onset delay in cultured CV-MSC. Our in-vitro tumorigenesis detection assay suggests that CV-MSC are not prone to undergo malignant transformation during long-term in-vitro culture. Besides SOX2 expression, no other pluripotency features were observed in early and late passages of CV-MSC. CONCLUSIONS Our work brings forward two remarkable characteristics of CV-MSC, the first being their extended life span as a result of delayed replicative senescence and the second being a delayed aged phenotype characterized by improved telomere length maintenance. MSC from human placenta are very attractive candidates for stem cell-based therapy applications.
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Affiliation(s)
- Mónica S. Ventura Ferreira
- 0000 0001 0728 696Xgrid.1957.aInstitute of Pathology, RWTH Aachen University, Aachen, Germany
- 0000 0001 0728 696Xgrid.1957.aDepartment of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, RWTH Aachen University, Aachen, Germany
| | - Michaela Bienert
- 0000 0001 0728 696Xgrid.1957.aInstitute of Pathology, RWTH Aachen University, Aachen, Germany
- 0000 0001 0728 696Xgrid.1957.aHelmholtz Institute for Biomedical Engineering, Biointerface Group, RWTH Aachen University, Aachen, Germany
| | - Katrin Müller
- 0000 0001 0728 696Xgrid.1957.aInstitute of Pathology, RWTH Aachen University, Aachen, Germany
| | - Björn Rath
- 0000 0001 0728 696Xgrid.1957.aDepartment of Orthopedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Tamme Goecke
- 0000 0001 0728 696Xgrid.1957.aDepartment for Gynecology, RWTH Aachen University, Aachen, Germany
| | - Christian Opländer
- 0000 0000 9024 6397grid.412581.bDepartment of Translational Wound Research, Centre for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Witten, Germany
| | - Till Braunschweig
- 0000 0001 0728 696Xgrid.1957.aInstitute of Pathology, RWTH Aachen University, Aachen, Germany
| | - Petra Mela
- 0000 0001 0728 696Xgrid.1957.aDepartment of Tissue Engineering and Textile Implants, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Aachen, Germany
| | - Tim H. Brümmendorf
- 0000 0001 0728 696Xgrid.1957.aDepartment of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, RWTH Aachen University, Aachen, Germany
| | - Fabian Beier
- 0000 0001 0728 696Xgrid.1957.aDepartment of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, RWTH Aachen University, Aachen, Germany
| | - Sabine Neuss
- 0000 0001 0728 696Xgrid.1957.aInstitute of Pathology, RWTH Aachen University, Aachen, Germany
- 0000 0001 0728 696Xgrid.1957.aHelmholtz Institute for Biomedical Engineering, Biointerface Group, RWTH Aachen University, Aachen, Germany
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Eve DJ, Sanberg PR, Buzanska L, Sarnowska A, Domanska-Janik K. Human Somatic Stem Cell Neural Differentiation Potential. Results Probl Cell Differ 2018; 66:21-87. [DOI: 10.1007/978-3-319-93485-3_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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21
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Al-Sowayan B, Keogh RJ, Abumaree M, Georgiou HM, Kalionis B. The effect of endothelial cell activation and hypoxia on placental chorionic mesenchymal stem/stromal cell migration. Placenta 2017; 59:131-138. [PMID: 28697979 DOI: 10.1016/j.placenta.2017.06.341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 06/11/2017] [Accepted: 06/26/2017] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Chorionic mesenchymal stem/stromal cells (CMSC) can be isolated from the placenta in large numbers. Although their functions are yet to be fully elucidated, they have a role in tissue development and repair. To fulfil such a role, CMSC must be able to migrate to the microenvironment of the injury site. This process is not fully understood and the aim of this study therefore, was to examine in vitro CMSC migration in response to tissue inflammation and hypoxic conditioning. METHODS CMSC were derived from the chorionic villi. A trans-endothelium migration (TEM) assay was used to study CMSC migration through an activated endothelial cell monolayer using the HMEC-1 cell line. A cytokine array was used to identify and compare the cytokine production profile of activated versus non-activated HMEC-1. RESULTS There were significant changes in cytokine production by HMEC-1 cells following lipopolysaccharide (LPS) treatment and hypoxic conditioning. Despite this, results from the TEM assay showed no significant change in the average number of CMSC that migrated through the LPS activated HMEC-1 layer compared to the untreated control. Furthermore, there was no significant change in the average number of CMSC that migrated through the HMEC-1 monolayer when exposed to hypoxic (1% O2), normoxic (8% O2) or hyperoxic (21% O2) conditions. CONCLUSION These data suggest that cell functions such as transendothelial migration can vary between MSC derived from different tissues in response to the same biological cues.
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Affiliation(s)
- Balta Al-Sowayan
- University of Melbourne, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Victoria, 3052, Australia; Pregnancy Research Centre, Department of Maternal-Fetal Medicine, Royal Women's Hospital, Parkville, Victoria, 3052, Australia; Stem Cells and Regenerative Medicine Department, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Mail Code 1515, P.O. Box 22490, Riyadh, 11426, Saudi Arabia
| | - Rosemary J Keogh
- University of Melbourne, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Victoria, 3052, Australia; Pregnancy Research Centre, Department of Maternal-Fetal Medicine, Royal Women's Hospital, Parkville, Victoria, 3052, Australia
| | - Mohammed Abumaree
- Stem Cells and Regenerative Medicine Department, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Mail Code 1515, P.O. Box 22490, Riyadh, 11426, Saudi Arabia; College of Science and Health Professions, King Saud Bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Mail Code 3124, P.O. Box 3660, Riyadh, 11481, Saudi Arabia
| | - Harry M Georgiou
- University of Melbourne, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Victoria, 3052, Australia; Pregnancy Research Centre, Department of Maternal-Fetal Medicine, Royal Women's Hospital, Parkville, Victoria, 3052, Australia
| | - Bill Kalionis
- University of Melbourne, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Victoria, 3052, Australia; Pregnancy Research Centre, Department of Maternal-Fetal Medicine, Royal Women's Hospital, Parkville, Victoria, 3052, Australia.
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Impact of early subcultures on stemness, migration and angiogenic potential of adipose tissue-derived stem cells and their resistance to in vitro ischemic condition. Cytotechnology 2017; 69:885-900. [PMID: 28536871 DOI: 10.1007/s10616-017-0104-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 04/28/2017] [Indexed: 01/06/2023] Open
Abstract
Adipose tissue-derived stem cells (ADSCs) are capable of multipotential differentiation and express several angiogenic, anti-apoptotic and immunomodulatory markers. These features make adipose tissue as a promising source of stem cells for regenerative medicine. However, for efficient translational use, culture-induced changes in the gene expression profile and resistance of the ADSCs to ischemic environment should be taken into consideration. We compared the expression of some clinically important markers between the unpassaged and third-passaged ADSCs by RT-PCR, qPCR and flow cytometry. Our results demonstrated that the embryonic stem cell (ESC)-specific markers were expressed in the unpassaged ADSCs but were downregulated after three passages. The expression of stemness-related genes, TGFB and FGF2, was upregulated while FGF4 and LIF were downregulated after three passages. The expression of angiogenic genes in the third-passaged ADSCs was higher than the unpassaged cells. Epithelial-mesenchymal transition (EMT) markers were either expressed in the third-passaged ADSCs or significantly upregulated after three passages. In contrast, cell cycle inhibitors, CDKN1A and TP53, were downregulated with early subcultures. The unpassaged and third-passaged ADSCs showed nearly similar resistance to oxidative stress, hypoxia and serum deprivation. In conclusion, the primary cultures of human adipose tissue contain a subpopulation of cells expressing ESC-specific genes and proteins, but the expression of these pluripotency markers subsides rapidly in standard mesenchymal stem cell culture medium. The expression of angiogenic and EMT markers also varies with early subcultures. Altogether, early-passaged ADSCs may be better choices for transplantation therapy of injured tissues, especially after ischemic conditions.
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Lu Y, Gao H, Zhang M, Chen B, Yang H. Glial Cell Line-Derived Neurotrophic Factor-Transfected Placenta-Derived Versus Bone Marrow-Derived Mesenchymal Cells for Treating Spinal Cord Injury. Med Sci Monit 2017; 23:1800-1811. [PMID: 28408732 PMCID: PMC5400030 DOI: 10.12659/msm.902754] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Background Placenta-derived mesenchymal stem cells (PMSCs) were isolated from placenta and had differentiation and self-renewal potential. We transfected PMSCs with glial cell line-derived neurotrophic factor (GDNF) and compared their effect for repairing spinal cord injury (SCI) with that of GDNF-transfected bone marrow-derived mesenchymal stem cell (BMSC). Material/Methods The PMSCs were isolated from Sprague-Dawley rat placenta; BMSCs were isolated from Sprague-Dawley rat thigh bone marrow. Primary cultured BMSCs and PMSCs were uniformly spindle-shaped. Flow cytometry indicated that both cell types were CD29- and CD90-positive and CD34- and CD45-negative, confirming that they were MSCs. The PMSCs and BMSCs were transfected with recombinant lentivirus containing the GDNF gene in vitro. PMSC and BMSC viability was increased after transfection, and GDNF expression was increased until 10 d after transfection. SCI was created in the rats (n=64) and was repaired using transfected PMSCs and BMSCs or untransfected PMSCs and BMSCs. Results The transfected PMSCs and BMSCs repaired the SCI. Flow cytometry, histology, immunohistochemical, kinesiology properties, and Basso-Beattie-Bresnahan locomotion score measurements determined no significant difference between transfected PMSCs and BMSCs at 7, 14, and 21 d post-transplantation (P>0.05); the injury healed better in transfected PMSCs and BMSCs than in untransfected PMSCs and BMSCs (P<0.05). Conclusions MSCs have similar biology characteristics and capacity for SCI repair to BMSCs and can be used as a new resource for treating SCI.
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Affiliation(s)
- Yao Lu
- Department of Orthopedics, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (mainland)
| | - Hui Gao
- Department of Dermatology, College of Clinical of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Man Zhang
- Department of Dermatology, College of Clinical of Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Bing Chen
- Comparative Medicine Center, Yangzhou University, Yangzhou, Jiangsu, China (mainland)
| | - Huilin Yang
- Department of Orthopedics, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (mainland)
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Co-microencapsulation of BMSCs and mouse pancreatic β cells for improving the efficacy of type I diabetes therapy. Int J Artif Organs 2017; 40:169-175. [PMID: 28362046 DOI: 10.5301/ijao.5000555] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2017] [Indexed: 12/11/2022]
Abstract
INTRODUCTION To overcome the shortcomings of pancreas transplantation and insulin injection treatment for type I diabetes, biocompatible materials were used to prepare alginate-chitosan-alginate microcapsules that co-encapsulated bone marrow mesenchymal stem cells and mouse pancreatic β cells to treat diabetic mice. METHODS Blank alginate-chitosan-alginate (ACA) microcapsules and co-microencapsulated cells were prepared using a high-voltage electrostatic method and then characterized using an inverted microscope. Cell viability was evaluated using AO/EB staining. ELISA kit was used to detect insulin secretion. Peri-orbital blood samples were obtained from the mice for blood glucose determination every week for one month. RESULTS After 28 days of in vitro culture, the secretion of insulin following co-microencapsulation was higher than that observed for microencapsulated beta-TC-6 cells alone. On the 28th day after transplantation, the blood glucose level was 6.86 mmol/L in the microencapsulated beta-TC-6 group. On the 14th day, the blood glucose level was 6.80 mmol/L in the co-microencapsulated BMSC/beta-TC-6 group, which was close to the normal blood glucose level of healthy mice. These results indicated that the efficacy in reducing blood glucose was better in the co-microencapsulated BMSC/beta-TC-6 group. CONCLUSIONS This primary study indicated that combining microencapsulation technology and co-culture of stem cells and somatic cells shows promise for the treatment of type I diabetes mellitus.
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The Expression of HMGB1 in Bone Marrow MSCs Is Upregulated by Hypoxia with Regulatory Effects on the Apoptosis and Adhesion. BIOMED RESEARCH INTERNATIONAL 2016; 2016:4598927. [PMID: 28050559 PMCID: PMC5168487 DOI: 10.1155/2016/4598927] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 09/24/2016] [Accepted: 10/13/2016] [Indexed: 02/05/2023]
Abstract
Background and Aims. Hypoxia regulates the survival of mesenchymal stem cells (MSCs) but the mechanism is unclear. In hypoxia, the level of high mobility group box 1 (HMGB1) was increased in many cells which may be involved in the regulation of cell biology. The aim is to determine whether hypoxia affects the expression of HMGB1 in bone marrow MSCs (BM-MSCs) and to investigate the role of HMGB1 in the apoptosis and adhesion. Methods. BM-MSCs were exposed to hypoxia (1% O2) and normoxia (20% O2) and the expression of HMGB1 was measured by RT-PCR and western blotting. The apoptosis and adhesion of BM-MSCs were evaluated after interfered by different concentrations of HMGB1. Results. Expression of HMGB1 in BM-MSCs showed a significant upregulation in hypoxia when compared to those in normoxia. The adhesion of BM-MSCs was increased by HMGB1 in a concentration-dependent manner; the apoptosis effect of HMGB1 depended on its concentrations: HMGB1 at low concentration (50 ng/mL) promoted the apoptosis of BM-MSCs while HMGB1 at high concentration (≥100 ng/mL) reduced this apoptosis. Conclusions. Hypoxia enhanced the expression of HMGB1 in BM-MSCs with influences on apoptosis and adhesion and this could have a significant effect on the regenerative potential of MSC-based strategies.
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Novoa-Herran S, Umaña-Perez A, Canals F, Sanchez-Gomez M. Serum depletion induces changes in protein expression in the trophoblast-derived cell line HTR-8/SVneo. Cell Mol Biol Lett 2016; 21:22. [PMID: 28536624 PMCID: PMC5415790 DOI: 10.1186/s11658-016-0018-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 07/05/2016] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND How nutrition and growth factor restriction due to serum depletion affect trophoblast function remains poorly understood. We performed a proteomic differential study of the effects of serum depletion on a first trimester human immortalized trophoblast cell line. METHODS The viability of HTR-8/SVneo trophoblast cells in culture with 0, 0.5 and 10 % fetal bovine serum (FBS) were assayed via MTT at 24, 48 and 64 h. A comparative proteomic analysis of the cells grown with those FBS levels for 24 h was performed using two-dimensional electrophoresis (2DE), followed by mass spectrometry for protein spot identification, and a database search and bioinformatics analysis of the expressed proteins. Differential spots were identified using the Kolmogorov-Smirnov test (n = 3, significance level 0.10, D > 0.642) and/or ANOVA (n = 3, p < 0.05). RESULTS The results showed that low serum doses or serum depletion differentially affect cell growth and protein expression. Differential expression was seen in 25 % of the protein spots grown with 0.5 % FBS and in 84 % of those grown with 0 % FBS, using 10 % serum as the physiological control. In 0.5 % FBS, this difference was related with biological processes typically affected by the serum, such as cell cycle, regulation of apoptosis and proliferation. In addition to these changes, in the serum-depleted proteome we observed downregulation of keratin 8, and upregulation of vimentin, the glycolytic enzymes enolase and pyruvate kinase (PKM2) and tumor progression-related inosine-5'-monophosphate dehydrogenase 2 (IMPDH2) enzyme. The proteins regulated by total serum depletion, but not affected by growth in 0.5 % serum, are members of the glycolytic and nucleotide metabolic pathways and the epithelial-to-mesenchymal transition (EMT), suggesting an adaptive switch characteristic of malignant cells. CONCLUSIONS This comparative proteomic analysis and the identified proteins are the first evidence of a protein expression response to serum depletion in a trophoblast cell model. Our results show that serum depletion induces specific changes in protein expression concordant with main cell metabolic adaptations and EMT, resembling the progression to a malignant phenotype.
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Affiliation(s)
- Susana Novoa-Herran
- Departamento de Química, Grupo de Investigación en Hormonas (Hormone Research Laboratory), Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Cra 30 45-03 Ed 451 Of 464, AA 111321 Bogotá, Colombia
| | - Adriana Umaña-Perez
- Departamento de Química, Grupo de Investigación en Hormonas (Hormone Research Laboratory), Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Cra 30 45-03 Ed 451 Of 464, AA 111321 Bogotá, Colombia
| | - Francesc Canals
- Laboratory of Proteomics, Vall d'Hebron Institute of Oncology (VHIO), Centre Cellex, C Natzaret 115-117, 08035 Barcelona, Spain
| | - Myriam Sanchez-Gomez
- Departamento de Química, Grupo de Investigación en Hormonas (Hormone Research Laboratory), Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Cra 30 45-03 Ed 451 Of 464, AA 111321 Bogotá, Colombia
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Bravo B, Gallego MI, Flores AI, Bornstein R, Puente-Bedia A, Hernández J, de la Torre P, García-Zaragoza E, Perez-Tavarez R, Grande J, Ballester A, Ballester S. Restrained Th17 response and myeloid cell infiltration into the central nervous system by human decidua-derived mesenchymal stem cells during experimental autoimmune encephalomyelitis. Stem Cell Res Ther 2016; 7:43. [PMID: 26987803 PMCID: PMC4797118 DOI: 10.1186/s13287-016-0304-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/29/2016] [Accepted: 03/02/2016] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Multiple sclerosis is a widespread inflammatory demyelinating disease. Several immunomodulatory therapies are available, including interferon-β, glatiramer acetate, natalizumab, fingolimod, and mitoxantrone. Although useful to delay disease progression, they do not provide a definitive cure and are associated with some undesirable side-effects. Accordingly, the search for new therapeutic methods constitutes an active investigation field. The use of mesenchymal stem cells (MSCs) to modify the disease course is currently the subject of intense interest. Decidua-derived MSCs (DMSCs) are a cell population obtained from human placental extraembryonic membranes able to differentiate into the three germ layers. This study explores the therapeutic potential of DMSCs. METHODS We used the experimental autoimmune encephalomyelitis (EAE) animal model to evaluate the effect of DMSCs on clinical signs of the disease and on the presence of inflammatory infiltrates in the central nervous system. We also compared the inflammatory profile of spleen T cells from DMSC-treated mice with that of EAE control animals, and the influence of DMSCs on the in vitro definition of the Th17 phenotype. Furthermore, we analyzed the effects on the presence of some critical cell types in central nervous system infiltrates. RESULTS Preventive intraperitoneal injection of DMSCs resulted in a significant delay of external signs of EAE. In addition, treatment of animals already presenting with moderate symptoms resulted in mild EAE with reduced disease scores. Besides decreased inflammatory infiltration, diminished percentages of CD4(+)IL17(+), CD11b(+)Ly6G(+) and CD11b(+)Ly6C(+) cells were found in infiltrates of treated animals. Early immune response was mitigated, with spleen cells of DMSC-treated mice displaying low proliferative response to antigen, decreased production of interleukin (IL)-17, and increased production of the anti-inflammatory cytokines IL-4 and IL-10. Moreover, lower RORγT and higher GATA-3 expression levels were detected in DMSC-treated mice. DMSCs also showed a detrimental influence on the in vitro definition of the Th17 phenotype. CONCLUSIONS DMSCs modulated the clinical course of EAE, modified the frequency and cell composition of the central nervous system infiltrates during the disease, and mediated an impairment of Th17 phenotype establishment in favor of the Th2 subtype. These results suggest that DMSCs might provide a new cell-based therapy for the control of multiple sclerosis.
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Affiliation(s)
- Beatriz Bravo
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Gene Regulation, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Marta I. Gallego
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Mammary Gland Pathology, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Ana I. Flores
- Grupo de Medicina Regenerativa, Instituto de Investigación Hospital 12 de Octubre, Avda. Córdoba s/n, 28041 Madrid, Spain
| | - Rafael Bornstein
- Hospital Central de Cruz Roja, Servicio de Hematología y Hemoterapia, Avenida de Reina Victoria 24, 28003 Madrid, Spain
| | - Alba Puente-Bedia
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Gene Regulation, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Javier Hernández
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Gene Regulation, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Paz de la Torre
- Grupo de Medicina Regenerativa, Instituto de Investigación Hospital 12 de Octubre, Avda. Córdoba s/n, 28041 Madrid, Spain
| | - Elena García-Zaragoza
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Mammary Gland Pathology, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Raquel Perez-Tavarez
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Histology Core Unit, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Jesús Grande
- Grupo de Medicina Regenerativa, Instituto de Investigación Hospital 12 de Octubre, Avda. Córdoba s/n, 28041 Madrid, Spain
| | - Alicia Ballester
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Gene Regulation, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
| | - Sara Ballester
- Instituto de Salud Carlos III, Unidad Funcional de Investigación en Enfermedades Crónicas, Laboratory of Gene Regulation, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain
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Phenotypic and Functional Characterization of Mesenchymal Stem/Multipotent Stromal Cells from Decidua Basalis of Human Term Placenta. Stem Cells Int 2016; 2016:5184601. [PMID: 27087815 PMCID: PMC4764756 DOI: 10.1155/2016/5184601] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 12/14/2015] [Accepted: 01/05/2016] [Indexed: 01/10/2023] Open
Abstract
Mesenchymal stem cell (MSC) therapies for the treatment of diseases associated with inflammation and oxidative stress employ primarily bone marrow MSCs (BMMSCs) and other MSC types such as MSC from the chorionic villi of human term placentae (pMSCs). These MSCs are not derived from microenvironments associated with inflammation and oxidative stress, unlike MSCs from the decidua basalis of the human term placenta (DBMSCs). DBMSCs were isolated and then extensively characterized. Differentiation of DBMSCs into three mesenchymal lineages (adipocytes, osteocytes, and chondrocytes) was performed. Real-time polymerase chain reaction (PCR) and flow cytometry techniques were also used to characterize the gene and protein expression profiles of DBMSCs, respectively. In addition, sandwich enzyme-linked immunosorbent assay (ELISA) was performed to detect proteins secreted by DBMSCs. Finally, the migration and proliferation abilities of DBMSCs were also determined. DBMSCs were positive for MSC markers and HLA-ABC. DBMSCs were negative for hematopoietic and endothelial markers, costimulatory molecules, and HLA-DR. Functionally, DBMSCs differentiated into three mesenchymal lineages, proliferated, and migrated in response to a number of stimuli. Most importantly, these cells express and secrete a distinct combination of cytokines, growth factors, and immune molecules that reflect their unique microenvironment. Therefore, DBMSCs could be attractive, alternative candidates for MSC-based therapies that treat diseases associated with inflammation and oxidative stress.
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Wan Safwani WKZ, Wong CW, Yong KW, Choi JR, Mat Adenan NA, Omar SZ, Wan Abas WAB, Pingguan-Murphy B. The effects of hypoxia and serum-free conditions on the stemness properties of human adipose-derived stem cells. Cytotechnology 2016; 68:1859-72. [PMID: 26728363 DOI: 10.1007/s10616-015-9939-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 12/17/2015] [Indexed: 12/17/2022] Open
Abstract
The need to have a better and safer culture condition for expansion of human mesenchymal stem cells (MSCs) is crucial particularly to prevent infection and immune rejection. This is normally associated with the use of animal-based serum in the culture media for cell expansion. The aim of this study is to investigate alternative culture conditions which may provide better and safer environment for cell growth. In the present study, human adipose-derived stem cells (ASCs) at passage 3 were subjected to treatment in 4 conditions: (1) 21 % O2 with fetal bovine serum (FBS), (2) 21 % O2 without FBS, (3) 2 % O2 with FBS and (4) 2 % O2 without FBS followed by subsequent analysis of their phenotype, viability and functionality. We observed that ASCs cultured in all conditions present no significant phenotypic changes. It was found that ASCs cultured in 2 % O2 without serum showed an increase in viability and growth to a certain extent when compared to those cultured in 21 % O2 without serum. However, ASCs cultured in 2 % O2 without serum displayed a relatively low adipogenic and osteogenic potential. On the other hand, interestingly, there was a positive enhancement in chondrogenic differentiation of ASCs cultured in 21 % O2 without serum. Our findings suggest that different culture conditions may be suitable for different indications. In summary, ASCs cultured in serum-free condition can still survive, proliferate and undergo subsequent adipogenic, osteogenic and chondrogenic differentiation. Therefore, FBS is feasible to be excluded for culture of ASCs, which avoids clinical complications.
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Affiliation(s)
- Wan Kamarul Zaman Wan Safwani
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia.
| | - Chin Wei Wong
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Kar Wey Yong
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Jane Ru Choi
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Noor Azmi Mat Adenan
- Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Siti Zawiah Omar
- Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Wan Abu Bakar Wan Abas
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
| | - Belinda Pingguan-Murphy
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603, Kuala Lumpur, Malaysia
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Silencing stem cell factor attenuates stemness and inhibits migration of cancer stem cells derived from Lewis lung carcinoma cells. Tumour Biol 2015; 37:7213-27. [PMID: 26666817 DOI: 10.1007/s13277-015-4577-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 12/02/2015] [Indexed: 02/05/2023] Open
Abstract
Stem cell factor (SCF) plays an important role in tumor growth and metastasis. However, the function of SCF in regulating stemness and migration of cancer stem cells (CSCs) remains largely undefined. Here, we report that non-adhesive culture system can enrich and expand CSCs derived from Lewis lung carcinoma (LLC) cells and that the expression level of SCF in CSCs was higher than those in LLC cells. Silencing SCF via short hairpin (sh) RNA lentivirus transduction attenuated sphere formation and inhibited expressions of stemness genes, ALDH1, Sox2, and Oct4 of CSCs in vitro and in vivo. Moreover, SCF-silenced CSCs inhibited the migration and epithelial-mesenchymal transition, with decreased expression of N-cadherin, Vimentin, and increased expression of E-cadherin in vitro and in vivo. Finally, SCF-short hairpin RNA (shRNA) lentivirus transduction suppressed tumorigenicity of CSCs. Taken together, our findings unraveled an important role of SCF in CSCs derived from LLC cells. SCF might serve as a novel target for lung cancer therapy.
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Kusuma GD, Menicanin D, Gronthos S, Manuelpillai U, Abumaree MH, Pertile MD, Brennecke SP, Kalionis B. Ectopic Bone Formation by Mesenchymal Stem Cells Derived from Human Term Placenta and the Decidua. PLoS One 2015; 10:e0141246. [PMID: 26484666 PMCID: PMC4618923 DOI: 10.1371/journal.pone.0141246] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 10/05/2015] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are one of the most attractive cell types for cell-based bone tissue repair applications. Fetal-derived MSCs and maternal-derived MSCs have been isolated from chorionic villi of human term placenta and the decidua basalis attached to the placenta following delivery, respectively. Chorionic-derived MSCs (CMSCs) and decidua-derived MSCs (DMSCs) generated in this study met the MSCs criteria set by International Society of Cellular Therapy. These criteria include: (i) adherence to plastic; (ii) >90% expression of CD73, CD105, CD90, CD146, CD44 and CD166 combined with <5% expression of CD45, CD19 and HLA-DR; and (iii) ability to differentiate into osteogenic, adipogenic, and chondrogenic lineages. In vivo subcutaneous implantation into SCID mice showed that both bromo-deoxyuridine (BrdU)-labelled CMSCs and DMSCs when implanted together with hydroxyapatite/tricalcium phosphate particles were capable of forming ectopic bone at 8-weeks post-transplantation. Histological assessment showed expression of bone markers, osteopontin (OPN), osteocalcin (OCN), biglycan (BGN), bone sialoprotein (BSP), and also a marker of vasculature, alpha-smooth muscle actin (α-SMA). This study provides evidence to support CMSCs and DMSCs as cellular candidates with potent bone forming capacity.
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Affiliation(s)
- Gina D. Kusuma
- Department of Obstetrics and Gynaecology, Royal Women’s Hospital, The University of Melbourne, Parkville, Victoria, Australia
- Pregnancy Research Centre, Department of Perinatal Medicine, Royal Women’s Hospital, Parkville, Victoria, Australia
| | - Danijela Menicanin
- Mesenchymal Stem Cell Laboratory, Faculty of Health Sciences, School of Medical Sciences, University of Adelaide, Adelaide, Australia
- Colgate Australian Clinical Dental Research Centre, School of Dentistry, University of Adelaide, Adelaide, Australia
| | - Stan Gronthos
- Mesenchymal Stem Cell Laboratory, Faculty of Health Sciences, School of Medical Sciences, University of Adelaide, Adelaide, Australia
| | - Ursula Manuelpillai
- Pregnancy Research Centre, Department of Perinatal Medicine, Royal Women’s Hospital, Parkville, Victoria, Australia
- Centre for Genetic Diseases, Monash Institute of Medical Research-Prince Henry’s Institute of Medical Research and Monash University, Clayton, Victoria, Australia
| | - Mohamed H. Abumaree
- King Abdullah International Medical Research Center/ King Saud Bin Abdulaziz University for Health Sciences, College of Science and Health Professions, King Abdulaziz Medical City-National Guard Health Affairs, Riyadh, Kingdom of Saudi Arabia
| | - Mark D. Pertile
- Victorian Clinical Genetics Services (VCGS), Murdoch Children’s Research Institute, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, Royal Children’s Hospital, The University of Melbourne, Parkville, Victoria, Australia
| | - Shaun P. Brennecke
- Department of Obstetrics and Gynaecology, Royal Women’s Hospital, The University of Melbourne, Parkville, Victoria, Australia
- Pregnancy Research Centre, Department of Perinatal Medicine, Royal Women’s Hospital, Parkville, Victoria, Australia
| | - Bill Kalionis
- Department of Obstetrics and Gynaecology, Royal Women’s Hospital, The University of Melbourne, Parkville, Victoria, Australia
- Pregnancy Research Centre, Department of Perinatal Medicine, Royal Women’s Hospital, Parkville, Victoria, Australia
- * E-mail:
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González PL, Carvajal C, Cuenca J, Alcayaga-Miranda F, Figueroa FE, Bartolucci J, Salazar-Aravena L, Khoury M. Chorion Mesenchymal Stem Cells Show Superior Differentiation, Immunosuppressive, and Angiogenic Potentials in Comparison With Haploidentical Maternal Placental Cells. Stem Cells Transl Med 2015; 4:1109-21. [PMID: 26273064 PMCID: PMC4572900 DOI: 10.5966/sctm.2015-0022] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 06/22/2015] [Indexed: 12/24/2022] Open
Abstract
UNLABELLED Mesenchymal stem cells (MSCs) of placental origin have become increasingly translational owing to their abundance and accessibility. MSCs of different origin share several features but also present biological differences that might point to distinct clinical properties. Hence, mixing fetal and maternal cells from the same placenta can lead to contradicting results. We analyzed the biological characteristics of haploidentical MSCs isolated from fetal sources, including the umbilical cord (UC-MSCs) and chorion (Ch-MSCs), compared with maternal decidua MSCs (Dc-MSCs). All MSCs were analyzed for general stem cell properties. In addition, immunosuppressive capacity was assessed by the inhibition of T-cell proliferation, and angiogenic potential was evaluated in a Matrigel transplantation assay. The comparison between haploidentical MSCs displayed several distinct features, including (a) marked differences in the expression of CD56, (b) a higher proliferative capacity for Dc-MSCs and UC-MSCs than for Ch-MSCs, (c) a diversity of mesodermal differentiation potential in favor of fetal MSCs, (d) a higher capacity for Ch-MSCs to inhibit T-cell proliferation, and (e) superior angiogenic potential of Ch-MSCs evidenced by a higher capability to form tubular vessel-like structures and an enhanced release of hepatocyte growth factor and vascular endothelial growth factor under hypoxic conditions. Our results suggest that assessing the prevalence of fetomaternal contamination within placental MSCs is necessary to increase robustness and limit side effects in their clinical use. Finally, our work presents evidence positioning fetoplacental cells and notably Ch-MSCs in the forefront of the quest for cell types that are superior for applications in regenerative medicine. SIGNIFICANCE This study analyzed the biological characteristics of mesenchymal stem cells (MSCs) isolated from fetal and maternal placental origins. The findings can be summarized as follows: (a) important differences were found in the expression of CD56, (b) a different mesodermal differentiation potential was found in favor of fetal MSCs, (c) a higher immunosuppressive capacity for chorion MSCs was noted, and (d) superior angiogenic potential of Ch-MSCs was observed. These results suggest that assessing the prevalence of fetomaternal contamination within placental MSCs is necessary to increase robustness and limit side effects in their clinical use. The evidence should allow clinicians to view fetoplacental cells, notably Ch-MSCs, favorably as candidates for use in regenerative medicine.
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Affiliation(s)
- Paz L González
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Catalina Carvajal
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Jimena Cuenca
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Francisca Alcayaga-Miranda
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Fernando E Figueroa
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Jorge Bartolucci
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Lorena Salazar-Aravena
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
| | - Maroun Khoury
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile; Cells for Cells, Santiago, Chile; Facultad de Medicina Universidad de los Andes y Clínica Universidad de Los Andes, Santiago, Chile; Consorcio Regenero, Santiago, Chile
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Antoniadou E, David AL. Placental stem cells. Best Pract Res Clin Obstet Gynaecol 2015; 31:13-29. [PMID: 26547389 DOI: 10.1016/j.bpobgyn.2015.08.014] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 08/31/2015] [Indexed: 12/14/2022]
Abstract
The placenta represents a reservoir of progenitor, stem cells and epithelial cells that have been shown to differentiate into various types, including adipogenic, osteogenic, myogenic, hepatogenic, cardiac, pancreatic, endothelial, pulmonary and neurogenic lineages. This review focuses on the properties of placenta-derived cells, and it evaluates their current therapeutic applications in regenerative medicine and cell transplantations. Ongoing clinical and preclinical studies are investigating the safety and efficacy of the human amniotic epithelial cells (hAECs), human amniotic mesenchymal stromal cells (hAMSCs) and chorionic mesenchymal stromal cells (hCMSCs). The establishment of biobanks for placental stem cells will enable the translation of scientific research into the clinic. The advantage of the placenta as a cellular source is that it contains different cell lineages, such as the haematopoietic lineage that originates from the chorion, allantois and yolk sac, and the mesenchymal lineage that originates from the chorion and amnion. In this review, we address advances in placental stem cell characterization, and we explore their possible uses in cell therapy.
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Affiliation(s)
- Eleni Antoniadou
- Stem Cells and Regenerative Medicine Section, Developmental Biology and Cancer Programme, UCL Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK.
| | - Anna L David
- Institute for Women's Health, University College London, 86-96 Chenies Mews, London WC1E 6HX, UK.
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Study design: in vitro and in vivo assessment of bone morphogenic protein 2 combined with platelet-rich plasma on treatment of disc degeneration. INTERNATIONAL ORTHOPAEDICS 2015; 40:1143-55. [PMID: 26169838 DOI: 10.1007/s00264-015-2840-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Accepted: 05/21/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Our aim was to investigate the biological effects of bone morphogenic protein 2 (BMP2) on the differentiation of bone marrow mesenchymal stem cells (BMSCs) into chondrocyte-like cells in platelet-rich plasma (PRP) gel in vitro. In addition, the effectiveness of BMP2-transduced BMSCs in combined with PRP gel to repair the degenerated intervertebral disc in a rabbit model was also evaluated. Previous studies have shown that tissue engineering provides many promising advantages to treating disc degeneration and may reverse the pathological process of disc degeneration. METHODS The expressions of types I, II and X collagen, aggrecan and Sox9 of the BMP2-transduced BMSCs in monolayer or PRP gel were examined by reverse transcriptase polymerase chain reaction (RT-PCR). Sixty New Zealand white rabbits were divided into five groups: 12 normal controls; 12 puncture operated with only disc degeneration being induced; 12 PRP transplantation animals; 12 BMSC and PRP-transplantation animals; 12 BMP2-transduced BMSCs and PRP-transplantation animals. The effect of BMP2-transduced BMSCs on degenerated discs were evaluated by magnetic resonance image (MRI) scan, histology, immunohistochemistry and Western blot analysis. RESULTS BMP2 could facilitate chondrogenic differentiation of BMSCs in monolayer or PRP gel. The discs treated with BMP2-transduced BMSCs exhibited relatively well-preserved nucleus pulposus (NP) structure. Significantly higher T2-weighted signal intensity and a greater amount of extracellular matrix were observed in the BMP2-transduced BMSC group compared with other groups. In addition, the presences of BMP2-transduced BMSCs were identified at week 12 postoperatively in vivo. CONCLUSIONS BMP2-transduced BMSCs can maintain the chondrocyte-like phenotype in PRP gel in vitro, and the combined use of these two agents can significantly promote repair of the degenerated discs in vivo.
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Wu CG, Zhang JC, Xie CQ, Parolini O, Silini A, Huang YZ, Lian B, Zhang M, Huang YC, Deng L. In vivo tracking of human placenta derived mesenchymal stem cells in nude mice via ¹⁴C-TdR labeling. BMC Biotechnol 2015; 15:55. [PMID: 26070459 PMCID: PMC4465458 DOI: 10.1186/s12896-015-0174-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 05/29/2015] [Indexed: 02/05/2023] Open
Abstract
Background In order to shed light on the regenerative mechanism of mesenchymal stem cells (MSCs) in vivo, the bio-distribution profile of implanted cells using a stable and long-term tracking method is needed. We herein investigated the bio-distribution of human placental deciduas basalis derived MSCs (termed as PDB-MSCs) in nude mice after intravenous injection by carbon radioisotope labeling thymidine (14C-TdR), which is able to incorporate into new DNA strands during cell replication. Results The proliferation rate and radioactive emission of human PDB-MSCs after labeled with different concentrations of 14C-TdR were measured. PDB-MSCs labeled with 1 μCi possessed high radioactivity, and the biological characteristics (i.e. morphology, colony forming ability, differentiation capabilities, karyotype and cell cycle) showed no significant changes after labeling. Thus, 1 μCi was the optimal concentration in this experimental design. In nude mice, 1 × 10614C-TdR-labeled PDB-MSCs were injected intravenously and the organs were collected at days 1, 2, 3, 5, 30 and 180 after injection, respectively. Radiolabeled PDB-MSCs were found mainly in the lung, liver, spleen, stomach and left femur of the recipient nude mice at the whole observation period. Conclusions This work provided solid evidence that 14C-TdR labeling did not alter the biological characteristics of human placental MSCs, and that this labeling method has potential to decrease the signal from non-infused or dead cells for cell tracking. Therefore, this labeling technique can be utilized to quantify the infused cells after long-term follow-up in pre-clinical studies.
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Affiliation(s)
- Cheng-Guang Wu
- Laboratory of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Ji-Chun Zhang
- Laboratory of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Cheng-Quan Xie
- Laboratory of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Ornella Parolini
- Centro di Ricerca E.Menni, Fondazione Poliambulanza, Brescia, Italy.
| | - Antonietta Silini
- Centro di Ricerca E.Menni, Fondazione Poliambulanza, Brescia, Italy.
| | - Yi-Zhou Huang
- Laboratory of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Bing Lian
- West China School of Pharmacy, Sichuan University, Chengdu, People's Republic of China.
| | - Min Zhang
- Center Laboratory For Isotopy, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Yong-Can Huang
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, SAR, People's Republic of China.
| | - Li Deng
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
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Lahiani A, Zahavi E, Netzer N, Ofir R, Pinzur L, Raveh S, Arien-Zakay H, Yavin E, Lazarovici P. Human PLacental eXpanded (PLX) mesenchymal-like adherent stromal cells confer neuroprotection to nerve growth factor (NGF)-differentiated PC12 cells exposed to ischemia by secretion of IL-6 and VEGF. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1853:422-30. [DOI: 10.1016/j.bbamcr.2014.11.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2014] [Revised: 11/03/2014] [Accepted: 11/10/2014] [Indexed: 12/21/2022]
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Human Menstrual Blood-Derived Stem Cell Transplantation for Acute Hind Limb Ischemia Treatment in Mouse Models. Regen Med 2015. [DOI: 10.1007/978-1-4471-6542-2_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Pozzobon M, Franzin C, Piccoli M, De Coppi P. Fetal stem cells and skeletal muscle regeneration: a therapeutic approach. Front Aging Neurosci 2014; 6:222. [PMID: 25221507 PMCID: PMC4145352 DOI: 10.3389/fnagi.2014.00222] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 08/05/2014] [Indexed: 12/13/2022] Open
Abstract
More than 40% of the body mass is represented by muscle tissue, which possesses the innate ability to regenerate after damage through the activation of muscle-specific stem cells, namely satellite cells. Muscle diseases, in particular chronic degenerative states of skeletal muscle such as dystrophies, lead to a perturbation of the regenerative process, which causes the premature exhaustion of satellite cell reservoir due to continuous cycles of degeneration/regeneration. Nowadays, the research is focused on different therapeutic approaches, ranging from gene and cell to pharmacological therapy, but still there is no definitive cure in particular for genetic muscle disease. Keeping this in mind, in this article, we will give special consideration to muscle diseases and the use of fetal derived stem cells as a new approach for therapy. Cells of fetal origin, from cord blood to placenta and amniotic fluid, can be easily obtained without ethical concern, expanded and differentiated in culture, and possess immune-modulatory properties. The in vivo approach in animal models can be helpful to study the mechanism underneath the operating principle of the stem cell reservoir, namely the niche, which holds great potential to understand the onset of muscle pathologies.
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Affiliation(s)
- Michela Pozzobon
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza , Padova , Italy
| | - Chiara Franzin
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza , Padova , Italy
| | - Martina Piccoli
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza , Padova , Italy
| | - Paolo De Coppi
- UCL Institute of Child Health and Great Ormond Street Hospital , London , UK
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Xie HL, Zhang Y, Huang YZ, Li S, Wu CG, Jiao XF, Tan MY, Huang YC, Deng L. Regulation of high mobility group box 1 and hypoxia in the migration of mesenchymal stem cells. Cell Biol Int 2014; 38:892-7. [PMID: 24687575 DOI: 10.1002/cbin.10279] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 02/20/2014] [Indexed: 02/05/2023]
Abstract
Mesenchymal stem cells (MSCs) have been increasingly offered for tissue regeneration with the premise that they can survive and thrive amidst the microenvironment of injured or degenerate tissues. The role of high mobility group box 1 (HMGB1) and hypoxia in the proliferation and migration of rat bone marrow MSCs (rBM-MSCs) has been investigated. First, the effect of HMGB1 on the proliferation of rBM-MSCs was determined. Second, to evaluate the regulation of hypoxia and HMGB1 in the migration of rBM-MSCs, cells in the wound healing model were exposed to four conditions: normoxia (20% O2) and complete medium, normoxia and HMGB1, hypoxia (1% O2) and complete medium, hypoxia and HMGB1. RT-PCR and Western blotting were used to measure the expression of migration-related genes and proteins. HMGB1 inhibited the proliferation of rBM-MSCs; HMGB1 alone or together with hypoxia and promoted the migration of MSCs and upregulated the expression of HIF-1α and SDF-1. These results demonstrated that HMGB1 arrested the proliferation of rBM-MSCs, but enhanced the migration of rBM-MSCs which could be further improved by hypoxia. This study strengthens current understanding of the interaction between MSCs and the microenvironment of damaged tissues.
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Affiliation(s)
- Hong-Lei Xie
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, People's Republic of China
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Automated Enumeration and Viability Measurement of Canine Stromal Vascular Fraction Cells Using Fluorescence-Based Image Cytometry Method. J Fluoresc 2014; 24:983-9. [DOI: 10.1007/s10895-014-1388-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 04/07/2014] [Indexed: 02/06/2023]
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Ryan JM, Pettit AR, Guillot PV, Chan JKY, Fisk NM. Unravelling the pluripotency paradox in fetal and placental mesenchymal stem cells: Oct-4 expression and the case of The Emperor's New Clothes. Stem Cell Rev Rep 2014; 9:408-21. [PMID: 22161644 DOI: 10.1007/s12015-011-9336-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells (MSC) from fetal-placental tissues have translational advantages over their adult counterparts, and have variably been reported to express pluripotency markers. OCT-4 expression in fetal-placental MSC has been documented in some studies, paradoxically without tumourogenicity in vivo. It is possible that OCT-4 expression is insufficient to induce true "stemness", but this issue is important for the translational safety of fetal-derived MSC. To clarify this, we undertook a systematic literature review on OCT-4 in fetal or adnexal MSC to show that most studies report OCT-4 message or protein expression, but no study provides definitive evidence of true OCT-4A expression. Discrepant findings were attributable not to different culture conditions, tissue sources, or gestational ages but instead to techniques used. In assessing OCT-4 as a pluripotency marker, we highlight the challenges in detecting the correct OCT-4 isoform (OCT-4A) associated with pluripotency. Although specific detection of OCT-4A mRNA is achievable, it appears unlikely that any antibody can reliably distinguish between OCT-4A and the pseudogene OCT-4B. Finally, using five robust techniques we demonstrate that fetal derived-MSC do not express OCT-4A (or by default OCT-4B). Reports suggesting OCT-4 expression in fetal-derived MSC warrant reassessment, paying attention to gene and protein isoforms, pseudogenes, and antibody choice as well as primer design. Critical examination of the OCT-4 literature leads us to suggest that OCT-4 expression in fetal MSC may be a case of "The Emperor's New Clothes" with early reports of (false) positive expression amplified in subsequent studies without critical attention to emerging refinements in knowledge and methodology.
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Affiliation(s)
- Jennifer M Ryan
- UQ Centre for Clinical Research, University of Queensland, Herston campus, Brisbane 4029, Australia.
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Fu WL, Zhou CY, Yu JK. A new source of mesenchymal stem cells for articular cartilage repair: MSCs derived from mobilized peripheral blood share similar biological characteristics in vitro and chondrogenesis in vivo as MSCs from bone marrow in a rabbit model. Am J Sports Med 2014; 42:592-601. [PMID: 24327479 DOI: 10.1177/0363546513512778] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Bone marrow (BM) has been considered as a major source of mesenchymal stem cells (MSCs), but it has many disadvantages in clinical application. However, MSCs from peripheral blood (PB) could be obtained by a less invasive method and be more beneficial for autologous transplantation than BM MSCs, which makes PB a promising source for articular cartilage repair in clinical use. PURPOSE To assess whether MSCs from mobilized PB of New Zealand White rabbits have similar biological characteristics in vitro and chondrogenesis in vivo as BM MSCs. STUDY DESIGN Controlled laboratory study. METHODS A combined method of drug administration containing granulocyte colony stimulating factor (G-CSF) plus CXCR4 antagonist AMD3100 was adopted to mobilize the PB stem cells of adult New Zealand White rabbits in vitro. The isolated cells were identified as MSCs by morphological characteristics, surface markers, and differentiation potentials. A comparison between PB MSCs and BM MSCs was made in terms of biological characteristics in vitro and chondrogenesis in vivo. This issue was investigated from the aspects of morphology, immune phenotype, multiple differentiation capacity, expansion potential, antiapoptotic capacity, and ability to repair cartilage defects in vivo of PB MSCs compared with BM MSCs. RESULTS Peripheral blood MSCs were successfully mobilized by the method of combined drug administration, then isolated, expanded, and identified in vitro. No significant difference was found concerning the morphology, immune phenotype, and antiapoptotic capacity between PB MSCs and BM MSCs. Significantly, MSCs from both sources compounded with decalcified bone matrix showed the same ability to repair cartilage defects in vivo. For multipluripotency, BM MSCs exhibited a more osteogenic potential and higher proliferation capacity than PB MSCs, whereas PB MSCs possessed a stronger adipogenic and chondrogenic differentiation potential than BM MSCs in vitro. CONCLUSION Although there are some differences in the proliferation and differentiation aspects between the 2 sources, PB MSCs share certain similar biological characteristics in vitro and chondrogenesis in vivo as BM MSCs. CLINICAL RELEVANCE These results suggest that PB MSCs are a new source of seed cells used in articular cartilage repair.
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Affiliation(s)
- Wei-Li Fu
- Jia-Kuo Yu, Institute of Sports Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China. or Chunyan Zhou, PhD, Department of Biochemistry and Molecular Biology, Peking University School of Basic Medical Sciences, 38 Xueyuan Road, Haidian District, Beijing 100191, China (e-mail: )
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Zhang D, Zheng L, Shi H, Chen X, Wan Y, Zhang H, Li M, Lu L, Luo S, Yin T, Lin H, He S, Luo Y, Yang L. Suppression of peritoneal tumorigenesis by placenta-derived mesenchymal stem cells expressing endostatin on colorectal cancer. Int J Med Sci 2014; 11:870-9. [PMID: 25013366 PMCID: PMC4081308 DOI: 10.7150/ijms.8758] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 05/11/2014] [Indexed: 02/05/2023] Open
Abstract
MSCs-based therapy for cancer is a relatively new but rapidly growing area of research. Human term placenta, an attractive source of MSCs (PMSCs), appears to have great advantage due to its easy access without invasive procedures, its lack of ethical issues and its high-throughput and young age. In the present study, we isolated MSCs from placenta and characterized their morphology and differentiation capacities. We next investigated the underlying antitumor effects and the potential mechanism of PMSCs to express endostatin using adenoviral transduction (Ad-Endo) in a colorectal peritoneal carcinomatosis (CRPC) mouse model. For in vitro experiments, the migratory potential of Ad-Endo-PMSCs towards tumor cells was demonstrated using a double-chamber assay, and the anti-angiogenesis ability of endostatin from engineered PMSCs was evaluated using the tube formation assay. For the in vivo study, mice harboring CT26 colorectal cancer indicated a significant reduction in tumor nodules and a prolongation of survival following Ad-Endo-PMSCs therapy. These observations were associated with significantly decreased tumor cell proliferation and blood vessel counts as well as increased tumor cell apoptosis. These data suggested the potential of PMSCs-based gene therapy for the targeted delivery of therapeutic proteins in cancer.
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Affiliation(s)
- Dongmei Zhang
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Lan Zheng
- 2. Department of Obstetrics and Gynecology, Second West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
| | - Huashan Shi
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Xiancheng Chen
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Yang Wan
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Hailong Zhang
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Meng Li
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Lian Lu
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Shuntao Luo
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Tao Yin
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Honggang Lin
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Shasha He
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Yan Luo
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Li Yang
- 1. State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
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Huang B, Li K, Yu J, Zhang M, Li Y, Li W, Wang W, Guan L, Zhang W, Lin S, Huang X, Lin L, Lin Y, Zhang Y, Song X, Wang Z, Ge J. Generation of human epidermis-derived mesenchymal stem cell-like pluripotent cells (hEMSCPCs). Sci Rep 2013; 3:1933. [PMID: 23733028 PMCID: PMC3671356 DOI: 10.1038/srep01933] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Accepted: 05/07/2013] [Indexed: 12/13/2022] Open
Abstract
We isolated human epidermis-derived mesenchymal stem cell-like pluripotent cells (hEMSCPCs) and demonstrate efficient harvesting, maintenance in vitro for at least 30 passages, reprogramming into multiple phenotypes in vivo, and integration into adult host tissues after injection into the mouse blastocyst to create chimeras. Cell phenotype was examined by karyotyping, immunostaining, immunofluorescence, and flow cytometry. A nested PCR protocol using primers specific for human SRY genes was designed to detect hEMSCPC-derived cells in female chimeric mice. FISH was used to validate the results of nested PCR. Results indicated that hEMSCPCs were derived from epidermis but were distinct from epidermal cells; they resembled mesenchymal stem cells (MSCs) morphologically and expressed the main markers of MSCs. About half of all female offspring of mice implanted with embryos injected with hEMSCPCs at the blastocyst stage harbored the human Y chromosome and tissue-specific human protein, thereby demonstrating the transdifferentiation of hEMSCPCs.
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Affiliation(s)
- Bing Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, GuangZhou 510060, China.
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Karsten U, Goletz S. What makes cancer stem cell markers different? SPRINGERPLUS 2013; 2:301. [PMID: 23888272 PMCID: PMC3710573 DOI: 10.1186/2193-1801-2-301] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Accepted: 06/26/2013] [Indexed: 01/06/2023]
Abstract
Since the cancer stem cell concept has been widely accepted, several strategies have been proposed to attack cancer stem cells (CSC). Accordingly, stem cell markers are now preferred therapeutic targets. However, the problem of tumor specificity has not disappeared but shifted to another question: how can cancer stem cells be distinguished from normal stem cells, or more specifically, how do CSC markers differ from normal stem cell markers? A hypothesis is proposed which might help to solve this problem in at least a subgroup of stem cell markers. Glycosylation may provide the key.
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Affiliation(s)
- Uwe Karsten
- Glycotope GmbH, Robert-Rössle-Str.10, D-13125 Berlin-Buch, Germany
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Liu J, Wang Y, Du W, Liu W, Liu F, Zhang L, Zhang M, Hou M, Liu K, Zhang S, Yu B. Wnt1 inhibits hydrogen peroxide-induced apoptosis in mouse cardiac stem cells. PLoS One 2013; 8:e58883. [PMID: 23533594 PMCID: PMC3606408 DOI: 10.1371/journal.pone.0058883] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 02/07/2013] [Indexed: 01/04/2023] Open
Abstract
Background Because of their regenerative and paracrine abilities, cardiac stem cells (CSCs) are the most appropriate, optimal and promising candidates for the development of cardiac regenerative medicine strategies. However, native and exogenous CSCs in ischemic hearts are exposed to various pro-apoptotic or cytotoxic factors preventing their regenerative and paracrine abilities. Methods and Results We examined the effects of H2O2 on mouse CSCs (mCSCs), and observed that hydrogen peroxide (H2O2) treatment induces mCSCs apoptosis via the caspase 3 pathway, in a dose-dependent manner. We then examined the effects of Wnt1 over-expression on H2O2-induced apoptosis in mCSCs and observed that Wnt1 significantly decreased H2O2-induced apoptosis in mCSCs. On the other hand, inhibition of the canonical Wnt pathway by the secreted frizzled related protein 2 (SFRP2) or knockdown of β-catenin in mCSCs reduced cells resistance to H2O2-induced apoptosis, suggesting that Wnt1 predominantly prevents H2O2-induced apoptosis through the canonical Wnt pathway. Conclusions Our results provide the first evidences that Wnt1 plays an important role in CSCs’ defenses against H2O2-induced apoptosis through the canonical Wnt1/GSK3β/β-catenin signaling pathway.
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Affiliation(s)
- Jingjin Liu
- Cardiology Department, Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China
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Huang YC, Leung VYL, Lu WW, Luk KDK. The effects of microenvironment in mesenchymal stem cell-based regeneration of intervertebral disc. Spine J 2013; 13:352-62. [PMID: 23340343 DOI: 10.1016/j.spinee.2012.12.005] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2011] [Revised: 07/08/2012] [Accepted: 12/09/2012] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Recent studies have demonstrated new therapeutic strategy using transplantation of mesenchymal stem cells (MSCs), especially bone marrow-derived MSCs (BM-MSCs), to preserve intervertebral disc (IVD) structure and functions. It is important to understand whether and how the MSCs survive and thrive in the hostile microenvironment of the degenerated IVD. Therefore, this review majorly examines how resident disc cells, hypoxia, low nutrition, acidic pH, mechanical loading, endogenous proteinases, and cytokines regulate the behavior of the exogenous MSCs. PURPOSE To review and summarize the effect of the microenvironment in biological characteristics of BM-MSCs for IVD regeneration; the presence of endogenous stem cells and the state of the art in the use of BM-MSCs to regenerate the IVD in vivo were also discussed. STUDY DESIGN Literature review. METHODS MEDLINE electronic database was used to search for articles concerning stem/progenitor cell isolation from the IVD, regulation of the components of microenvironment for MSCs, and MSC-based therapy for IVD degeneration. The search was limited to English language. RESULTS Stem cells are probably resident in the disc, but exogenous stem cells, especially BM-MSCs, are currently the most popular graft cells for IVD regeneration. The endogenous disc cells and the biochemical and biophysical components in the degenerating disc present a complicated microenvironment to regulate the transplanted BM-MSCs. Although MSCs regenerate the mildly degenerative disc effectively in the experimental and clinical trials, many underlying questions are in need of further investigation. CONCLUSIONS There has been a dramatic improvement in the understanding of potential MSC-based therapy for IVD regeneration. The use of MSCs for IVD degeneration is still at the stage of preclinical and Phase 1 studies. The effects of the disc microenvironment in MSCs survival and function should be closely studied for transferring MSC transplantation from bench to bedside successfully.
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Affiliation(s)
- Yong-Can Huang
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, Queen Mary Hospital, The University of Hong Kong, 5/F Professor Block, Pokfulam, Hong Kong, China
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Huang YZ, Cai JQ, Lv FJ, Xie HL, Yang ZM, Huang YC, Deng L. Species variation in the spontaneous calcification of bone marrow-derived mesenchymal stem cells. Cytotherapy 2013; 15:323-9. [DOI: 10.1016/j.jcyt.2012.11.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 10/10/2012] [Accepted: 11/13/2012] [Indexed: 01/13/2023]
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Lu G, Zhu S, Ke Y, Jiang X, Zhang S. Transplantation-potential-related biological properties of decidua basalis mesenchymal stem cells from maternal human term placenta. Cell Tissue Res 2013; 352:301-12. [PMID: 23397423 DOI: 10.1007/s00441-013-1560-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Accepted: 01/04/2013] [Indexed: 01/31/2023]
Abstract
Human placental decidua basalis originates from the maternal side of the placenta and has been described as a source of mesenchymal stem cells (MSCs). However, for its application in tissue regeneration and repair, the transplantation-potential-related biological properties of decidua-basalis-derived mesenchymal stem cells (DBMSCs) remain to be elucidated. We obtained DBMSCs through enzymatic digestion and density gradient centrifugation and confirmed their capacity to differentiate into cell types of the mesodermal lineage, such as osteoblasts, adipocytes and chondroblasts. Karyotype analysis showed that the isolated DBMSCs maintained chromosomal stability after long-term culture in vitro. Growth kinetics and ultrastructural observation revealed a high level of DBMSC proliferative activity. In addition, DBMSCs showed immunosuppressive properties by suppressing both mitogen- and alloantigen-induced peripheral lymphocyte proliferation. All of these properties suggest that DBMSCs, which are abundant and easily accessible, are a novel potential source of seed cells for cell transplantation treatments.
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Affiliation(s)
- Guohui Lu
- Department of Neurosurgery, Provincial Key Laboratory on Brain Function Repair and Regeneration of Guangdong, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China
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