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De Sousa PA, Perfect L, Ye J, Samuels K, Piotrowska E, Gordon M, Mate R, Abranches E, Wishart TM, Dockrell DH, Courtney A. Hyaluronan in mesenchymal stromal cell lineage differentiation from human pluripotent stem cells: application in serum free culture. Stem Cell Res Ther 2024; 15:130. [PMID: 38702837 PMCID: PMC11069290 DOI: 10.1186/s13287-024-03719-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 04/05/2024] [Indexed: 05/06/2024] Open
Abstract
BACKGROUND Hyaluronan (HA) is an extracellular glycosaminoglycan polysaccharide with widespread roles throughout development and in healthy and neoplastic tissues. In pluripotent stem cell culture it can support both stem cell renewal and differentiation. However, responses to HA in culture are influenced by interaction with a range of cognate factors and receptors including components of blood serum supplements, which alter results. These may contribute to variation in cell batch production yield and phenotype as well as heighten the risks of adventitious pathogen transmission in the course of cell processing for therapeutic applications. MAIN: Here we characterise differentiation of a human embryo/pluripotent stem cell derived Mesenchymal Stromal Cell (hESC/PSC-MSC)-like cell population by culture on a planar surface coated with HA in serum-free media qualified for cell production for therapy. Resulting cells met minimum criteria of the International Society for Cellular Therapy for identification as MSC by expression of. CD90, CD73, CD105, and lack of expression for CD34, CD45, CD14 and HLA-II. They were positive for other MSC associated markers (i.e.CD166, CD56, CD44, HLA 1-A) whilst negative for others (e.g. CD271, CD71, CD146). In vitro co-culture assessment of MSC associated functionality confirmed support of growth of hematopoietic progenitors and inhibition of mitogen activated proliferation of lymphocytes from umbilical cord and adult peripheral blood mononuclear cells, respectively. Co-culture with immortalized THP-1 monocyte derived macrophages (Mɸ) concurrently stimulated with lipopolysaccharide as a pro-inflammatory stimulus, resulted in a dose dependent increase in pro-inflammatory IL6 but negligible effect on TNFα. To further investigate these functionalities, a bulk cell RNA sequence comparison with adult human bone marrow derived MSC and hESC substantiated a distinctive genetic signature more proximate to the former. CONCLUSION Cultivation of human pluripotent stem cells on a planar substrate of HA in serum-free culture media systems is sufficient to yield a distinctive developmental mesenchymal stromal cell lineage with potential to modify the function of haematopoietic lineages in therapeutic applications.
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Affiliation(s)
- Paul A De Sousa
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK.
- Stroma Therapeutics Ltd, Glasgow, UK.
| | - Leo Perfect
- Biotherapeutics and Advanced Therapies, Science Research and Innovation Group, UK Stem Cell Bank, MHRA, South Mimms, UK
| | - Jinpei Ye
- Institute of Biomedical Science, Shanxi University, Taiyuan, Shanxi, China
| | - Kay Samuels
- Scottish National Blood Transfusion Service, Edinburgh, UK
| | - Ewa Piotrowska
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK
- Department of Molecular Biology, University of Gdansk, Gdańsk, Poland
| | - Martin Gordon
- Biotherapeutics and Advanced Therapies, Science Research and Innovation Group, UK Stem Cell Bank, MHRA, South Mimms, UK
| | - Ryan Mate
- Biotherapeutics and Advanced Therapies, Science Research and Innovation Group, UK Stem Cell Bank, MHRA, South Mimms, UK
| | - Elsa Abranches
- Biotherapeutics and Advanced Therapies, Science Research and Innovation Group, UK Stem Cell Bank, MHRA, South Mimms, UK
| | | | - David H Dockrell
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
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Stafeev I, Michurina S, Agareva M, Zubkova E, Sklyanik I, Shestakova E, Gavrilova A, Sineokaya M, Ratner E, Menshikov M, Parfyonova Y, Shestakova M. Visceral mesenchymal stem cells from type 2 diabetes donors activate triglycerides synthesis in healthy adipocytes via metabolites exchange and cytokines secretion. Int J Obes (Lond) 2023:10.1038/s41366-023-01317-1. [PMID: 37100877 DOI: 10.1038/s41366-023-01317-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 04/28/2023]
Abstract
BACKGROUND In recent years, there has been an increase in the prevalence of obesity and type 2 diabetes mellitus (T2DM). Development of visceral instead of subcutaneous adipose tissue is pathogenic and increases the risk of metabolic abnormalities. We hypothesize that visceral adipocytes and stromal cells are able to deteriorate other fat depots metabolism via secretory mechanisms. METHODS We study the regulatory role of visceral adipose-derived stem cells (vADSC) from donors with obesity and T2DM or normal glucose tolerance (NGT) on healthy subcutaneous ADSC (sADSC) in the Transwell system. Lipid droplets formation during adipogenesis was assessed by confocal microscopy. Cell metabolism was evaluated by 14C-glucose incorporation analysis and western blotting. vADSC secretome was assessed by Milliplex assay. RESULTS We showed that both NGT and T2DM vADSC had mesenchymal phenotype, but expression of CD29 was enhanced, whereas expressions of CD90, CD140b and IGF1R were suppressed in both NGT and T2DM vADSC. Co-differentiation with T2DM vADSC increased lipid droplet size and stimulated accumulation of fatty acids in adipocytes from healthy sADSC. In mature adipocytes T2DM vADSC stimulated triglyceride formation, whereas NGT vADSC activated oxidative metabolism. Secretome of NGT vADSC was pro-inflammatory and pro-angiogenic in comparison with T2DM vADSC. CONCLUSIONS The present study has demonstrated the critical role of secretory interactions between visceral and subcutaneous fat depots both in the level of progenitor and mature cells. Mechanisms of these interactions are related to direct exchange of metabolites and cytokines secretion.
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Affiliation(s)
- Iurii Stafeev
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia.
| | - Svetlana Michurina
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
- Lomonosov Moscow State University, 119991, Moscow, Russia
| | - Margarita Agareva
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
- Institute of Fine Chemical Technologies named after M.V. Lomonosov, 119571, Moscow, Russia
| | - Ekaterina Zubkova
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
| | - Igor Sklyanik
- Endocrinology Research Centre, 117292, Moscow, Russia
| | | | | | | | - Elizaveta Ratner
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
| | - Mikhail Menshikov
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
| | - Yelena Parfyonova
- National Medical Research Centre of Cardiology named after academician E.I.Chazov, 121552, Moscow, Russia
- Lomonosov Moscow State University, 119991, Moscow, Russia
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Aswathy J, Resmi R, Joseph J, Joseph R, John A, Abraham A. Calotropis gigantea incorporated alginate dialdehyde-gelatin hydrogels for cartilage tissue regeneration in Osteoarthritis. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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4
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Shou Y, Liu L, Liu Q, Le Z, Lee KL, Li H, Li X, Koh DZ, Wang Y, Liu TM, Yang Z, Lim CT, Cheung C, Tay A. Mechano-responsive hydrogel for direct stem cell manufacturing to therapy. Bioact Mater 2023; 24:387-400. [PMID: 36632503 PMCID: PMC9817177 DOI: 10.1016/j.bioactmat.2022.12.019] [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: 10/09/2022] [Revised: 12/05/2022] [Accepted: 12/20/2022] [Indexed: 01/04/2023] Open
Abstract
Bone marrow-derived mesenchymal stem cell (MSC) is one of the most actively studied cell types due to its regenerative potential and immunomodulatory properties. Conventional cell expansion methods using 2D tissue culture plates and 2.5D microcarriers in bioreactors can generate large cell numbers, but they compromise stem cell potency and lack mechanical preconditioning to prepare MSC for physiological loading expected in vivo. To overcome these challenges, in this work, we describe a 3D dynamic hydrogel using magneto-stimulation for direct MSC manufacturing to therapy. With our technology, we found that dynamic mechanical stimulation (DMS) enhanced matrix-integrin β1 interactions which induced MSCs spreading and proliferation. In addition, DMS could modulate MSC biofunctions including directing MSC differentiation into specific lineages and boosting paracrine activities (e.g., growth factor secretion) through YAP nuclear localization and FAK-ERK pathway. With our magnetic hydrogel, complex procedures from MSC manufacturing to final clinical use, can be integrated into one single platform, and we believe this 'all-in-one' technology could offer a paradigm shift to existing standards in MSC therapy.
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Affiliation(s)
- Yufeng Shou
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
| | - Ling Liu
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
- NUS Tissue Engineering Program, National University of Singapore, 117510, Singapore
| | - Qimin Liu
- School of Civil Engineering and Architecture, Wuhan University of Technology, 430070, Wuhan, China
| | - Zhicheng Le
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
| | - Khang Leng Lee
- Lee Kong Chian School of Medicine, Nanyang Technological University, 636921, Singapore
| | - Hua Li
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore
| | - Xianlei Li
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
| | - Dion Zhanyun Koh
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
| | - Yuwen Wang
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
| | - Tong Ming Liu
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 138648, Singapore
| | - Zheng Yang
- NUS Tissue Engineering Program, National University of Singapore, 117510, Singapore
- Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 119288, Singapore
| | - Chwee Teck Lim
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Christine Cheung
- Lee Kong Chian School of Medicine, Nanyang Technological University, 636921, Singapore
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 138648, Singapore
| | - Andy Tay
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
- NUS Tissue Engineering Program, National University of Singapore, 117510, Singapore
- Corresponding author. Department of Biomedical Engineering, National University of Singapore, 117583, Singapore.
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Alba A, Villaggio G, Messina GML, Caruso M, Federico C, Cambria MT, Marletta G, Sinatra F. Cytostatic Effects of Polyethyleneimine Surfaces on the Mesenchymal Stromal Cell Cycle. Polymers (Basel) 2022; 14:polym14132643. [PMID: 35808689 PMCID: PMC9269326 DOI: 10.3390/polym14132643] [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: 05/02/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 02/04/2023] Open
Abstract
Polyelectrolytes assembled layer-by-layer (PEMs) are commonly used as functional coatings to build-up biological interfaces, particularly suitable as compatible layers for the interaction with a biological medium, providing suitable conditions to promote or prevent cell seeding while maintaining the phenotype. The proper assessment of the biocompatibility of PEMs and the elucidation of the related mechanisms are therefore of paramount importance. In this study, we report in detail the effect of two different PEM endings, polystyrene sulfonate (PSS) and polyethylenimine (PEI), respectively, on the cell adhesion, growth, and viability of human bone mesenchymal stromal cells (MSCs). The results have shown that PSS-ended substrates appear to be the most suitable to drive the cell adhesion and phenotype maintenance of MSCs, showing good biocompatibility. On the contrary, while the cells seem to adhere more quickly and strongly on the PEI-ended surfaces, the interaction with PEI significantly affects the growth and viability, reducing the cell spreading capability, by sequestering the adhesion molecules already in the very early steps of cell–substrate contact. These results point to the promotion of a cytostatic effect of PEI, rather than the often-claimed cytotoxicity.
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Affiliation(s)
- Anna Alba
- Section of Biology and Genetic, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia, 65, 95123 Catania, Italy; (A.A.); (G.V.)
| | - Giusy Villaggio
- Section of Biology and Genetic, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia, 65, 95123 Catania, Italy; (A.A.); (G.V.)
| | - Grazia Maria Lucia Messina
- Laboratory for Molecular Surface and Nanotechnology (LAMSUN), Department of Chemical Sciences, University of Catania and CSGI, Viale A. Doria, 6, 95125 Catania, Italy;
- Correspondence: (G.M.L.M.); (F.S.); Tel.: +39-095-7385083 (G.M.L.M.)
| | - Massimo Caruso
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia, 65, 95123 Catania, Italy; (M.C.); (M.T.C.)
| | - Concetta Federico
- Section of Animal Biology, Department of Biological, Geological and Environmental Sciences, University of Catania, Via Androne, 81, 95124 Catania, Italy;
| | - Maria Teresa Cambria
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia, 65, 95123 Catania, Italy; (M.C.); (M.T.C.)
| | - Giovanni Marletta
- Laboratory for Molecular Surface and Nanotechnology (LAMSUN), Department of Chemical Sciences, University of Catania and CSGI, Viale A. Doria, 6, 95125 Catania, Italy;
| | - Fulvia Sinatra
- Section of Biology and Genetic, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia, 65, 95123 Catania, Italy; (A.A.); (G.V.)
- Correspondence: (G.M.L.M.); (F.S.); Tel.: +39-095-7385083 (G.M.L.M.)
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Muscolino E, Di Stefano AB, Trapani M, Sabatino MA, Giacomazza D, Moschella F, Cordova A, Toia F, Dispenza C. Injectable xyloglucan hydrogels incorporating spheroids of adipose stem cells for bone and cartilage regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112545. [PMID: 34857257 DOI: 10.1016/j.msec.2021.112545] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/31/2021] [Accepted: 11/07/2021] [Indexed: 12/12/2022]
Abstract
Cartilage or bone regeneration approaches based on the direct injection of mesenchymal stem cells (MSCs) at the lesion site encounter several challenges, related to uncontrolled cell spreading and differentiation, reduced cell viability and poor engrafting. This work presents a simple and versatile strategy based on the synergic combination of in-situ forming hydrogels and spheroids of adipose stem cells (SASCs) with great potential for minimally invasive regenerative interventions aimed to threat bone and cartilage defects. Aqueous dispersions of partially degalactosylated xyloglucan (dXG) are mixed with SASCs derived from liposuction and either a chondroinductive or an osteoinductive medium. The dispersions rapidly set into hydrogels when temperature is brought to 37 °C. The physico-chemical and mechanical properties of the hydrogels are controlled by polymer concentration. The hydrogels, during 21 day incubation at 37 °C, undergo significant structural rearrangements that support cell proliferation and spreading. In formulations containing 1%w dXG cell viability increases up to 300% for SASCs-derived osteoblasts and up to 1000% for SASCs-derived chondrocytes if compared with control 2D cultures. The successful differentiation into the target cells is supported by the expression of lineage-specific genes. Cell-cell and cell-matrix interactions are also investigated. All formulations resulted injectable, and the incorporated cells are fully viable after injection.
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Affiliation(s)
- Emanuela Muscolino
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze 6, 90128 Palermo, Italy
| | - Anna Barbara Di Stefano
- BIOPLAST-Laboratory of BIOlogy and Regenerative Medicine-PLASTic Surgery, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Marco Trapani
- BIOPLAST-Laboratory of BIOlogy and Regenerative Medicine-PLASTic Surgery, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Maria Antonietta Sabatino
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze 6, 90128 Palermo, Italy
| | - Daniela Giacomazza
- Istituto di Biofisica, Consiglio Nazionale delle Ricerche, Via U. La Malfa 153, 90146, Palermo, Italy
| | - Francesco Moschella
- BIOPLAST-Laboratory of BIOlogy and Regenerative Medicine-PLASTic Surgery, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy; Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Adriana Cordova
- BIOPLAST-Laboratory of BIOlogy and Regenerative Medicine-PLASTic Surgery, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy; Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Francesca Toia
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli Studi di Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Clelia Dispenza
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze 6, 90128 Palermo, Italy; Istituto di Biofisica, Consiglio Nazionale delle Ricerche, Via U. La Malfa 153, 90146, Palermo, Italy.
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7
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Schussler O, Chachques JC, Alifano M, Lecarpentier Y. Key Roles of RGD-Recognizing Integrins During Cardiac Development, on Cardiac Cells, and After Myocardial Infarction. J Cardiovasc Transl Res 2021; 15:179-203. [PMID: 34342855 DOI: 10.1007/s12265-021-10154-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/02/2021] [Indexed: 12/12/2022]
Abstract
Cardiac cells interact with the extracellular matrix (ECM) proteins through integrin mechanoreceptors that control many cellular events such as cell survival, apoptosis, differentiation, migration, and proliferation. Integrins play a crucial role in cardiac development as well as in cardiac fibrosis and hypertrophy. Integrins recognize oligopeptides present on ECM proteins and are involved in three main types of interaction, namely with collagen, laminin, and the oligopeptide RGD (Arg-Gly-Asp) present on vitronectin and fibronectin proteins. To date, the specific role of integrins recognizing the RGD has not been addressed. In this review, we examine their role during cardiac development, their role on cardiac cells, and their upregulation during pathological processes such as heart fibrosis and hypertrophy. We also examine their role in regenerative and angiogenic processes after myocardial infarction (MI) in the peri-infarct area. Specific targeting of these integrins may be a way of controlling some of these pathological events and thereby improving medical outcomes.
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Affiliation(s)
- Olivier Schussler
- Thoracic Surgery Department, Cochin Hospital, APHP Centre, University of Paris, Paris, France.
| | - Juan C Chachques
- Department of Cardiac Surgery Pompidou Hospital, Laboratory of Biosurgical Research, Carpentier Foundation, University Paris Descartes, 75015, Paris, France
| | - Marco Alifano
- Thoracic Surgery Department, Cochin Hospital, APHP Centre, University of Paris, Paris, France.,INSERM U1138 Team "Cancer, Immune Control, and Escape", Cordeliers Research Center, University of Paris, Paris, France
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l'Est Francilien, Meaux, France
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Maynard SA, Pchelintseva E, Zwi-Dantsis L, Nagelkerke A, Gopal S, Korchev YE, Shevchuk A, Stevens MM. IL-1β mediated nanoscale surface clustering of integrin α5β1 regulates the adhesion of mesenchymal stem cells. Sci Rep 2021; 11:6890. [PMID: 33767269 PMCID: PMC7994456 DOI: 10.1038/s41598-021-86315-x] [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: 11/02/2020] [Accepted: 03/10/2021] [Indexed: 12/18/2022] Open
Abstract
Clinical use of human mesenchymal stem cells (hMSCs) is limited due to their rapid clearance, reducing their therapeutic efficacy. The inflammatory cytokine IL-1β activates hMSCs and is known to enhance their engraftment. Consequently, understanding the molecular mechanism of this inflammation-triggered adhesion is of great clinical interest to improving hMSC retention at sites of tissue damage. Integrins are cell-matrix adhesion receptors, and clustering of integrins at the nanoscale underlies cell adhesion. Here, we found that IL-1β enhances adhesion of hMSCs via increased focal adhesion contacts in an α5β1 integrin-specific manner. Further, through quantitative super-resolution imaging we elucidated that IL-1β specifically increases nanoscale integrin α5β1 availability and clustering at the plasma membrane, whilst conserving cluster area. Taken together, these results demonstrate that hMSC adhesion via IL-1β stimulation is partly regulated through integrin α5β1 spatial organization at the cell surface. These results provide new insight into integrin clustering in inflammation and provide a rational basis for design of therapies directed at improving hMSC engraftment.
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Affiliation(s)
- Stephanie A. Maynard
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Ekaterina Pchelintseva
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Limor Zwi-Dantsis
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Anika Nagelkerke
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Sahana Gopal
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK ,grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Yuri E. Korchev
- grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Andrew Shevchuk
- grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Molly M. Stevens
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
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9
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Syndecan-3 regulates MSC adhesion, ERK and AKT signalling in vitro and its deletion enhances MSC efficacy in a model of inflammatory arthritis in vivo. Sci Rep 2020; 10:20487. [PMID: 33235244 PMCID: PMC7686503 DOI: 10.1038/s41598-020-77514-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 10/26/2020] [Indexed: 02/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is a debilitating and painful inflammatory autoimmune disease characterised by the accumulation of leukocytes in the synovium, cartilage destruction and bone erosion. The immunomodulatory effects of bone marrow derived mesenchymal stem cells (MSCs) has been widely studied and the recent observations that syndecan-3 (SDC3) is selectively pro-inflammatory in the joint led us to hypothesise that SDC3 might play an important role in MSC biology. MSCs isolated from bone marrow of wild type and Sdc3−/− mice were used to assess immunophenotype, differentiation, adhesion and migration properties and cell signalling pathways. While both cell types show similar differentiation potential and forward scatter values, the cell complexity in wild type MSCs was significantly higher than in Sdc3−/− cells and was accompanied by lower spread surface area. Moreover, Sdc3−/− MSCs adhered more rapidly to collagen type I and showed a dramatic increase in AKT phosphorylation, accompanied by a decrease in ERK1/2 phosphorylation compared with control cells. In a mouse model of antigen-induced inflammatory arthritis, intraarticular injection of Sdc3−/− MSCs yielded enhanced efficacy compared to injection of wild type MSCs. In conclusion, our data suggest that syndecan-3 regulates MSC adhesion and efficacy in inflammatory arthritis, likely via induction of the AKT pathway.
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10
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Choi G, Cho Y, Yu SJ, Baek J, Lee M, Kim Y, Lee E, Im SG. Polymer-Coated Surface as an Enzyme-Free Culture Platform to Improve Human Mesenchymal Stem Cell (hMSC) Characteristics in Extended Passaging. ACS APPLIED BIO MATERIALS 2020; 3:7654-7665. [DOI: 10.1021/acsabm.0c00844] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Goro Choi
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Younghak Cho
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Seung Jung Yu
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Jieung Baek
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Minseok Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Yesol Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Eunjung Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon 34141, Republic of Korea
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11
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Liang C, Huang J, Luo P, Wang Z, He J, Wu S, Peng C, Cao X. Platelet-Derived Microparticles Mediate the Intra-Articular Homing of Mesenchymal Stem Cells in Early-Stage Cartilage Lesions. Stem Cells Dev 2020; 29:414-424. [PMID: 32000580 DOI: 10.1089/scd.2019.0137] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
After intra-articular injection, synovium-derived mesenchymal stem cells (SMSCs) can adhere to damaged cartilage (a process called homing) and then repair the cartilage defect. Nonetheless, the main obstacle of the current method is the insufficient homing ratio of SMSCs, which fails to meet the requirements for cartilage repair and thereby greatly limits the therapeutic effect. In this study, the optimal homing time of SMSCs was determined by evaluating the SMSC homing efficiency at 1, 3, 7, 14, and 28 days after injury using a rat cartilage defect model. The ability of platelet-derived microparticles (PMPs) to promote SMSC homing was evaluated by cartilage/subchondral bone cell adhesion, transmembrane migration, and intra-articular cell distribution assays. SMSCs had an optimal homing efficiency in the very early stage (1 day) after cartilage injury. We found that PMPs, which were abundant in the synovial fluid at this early stage, were responsible for this augmented SMSC homing. An ex vivo cell adhesion assay revealed that the coincubation of SMSCs with PMPs at a 1:50 ratio markedly enhanced cell adhesion to cartilage and the subchondral bone surface. The transmembrane cell migration assay yielded similar results. Further in vivo homing assays revealed that PMPs possess excellent homing capacity, which they transferred, to some extent, to SMSCs by coating the cell surface. We measured the expression of homing-related genes in SMSCs exposed to PMPs and identified several upregulated genes. Moreover, platelet-specific adhesion molecules, particularly GPIIb/IIIa, CXCR4, ITGβ1, and ITGα2, were determined to play a critical role in the homing of SMSC/PMP complexes. This improvement in SMSC homing increased the volume of regenerated tissue in the cartilage defect. In conclusion, PMPs significantly promoted the homing of SMSCs to cartilage, which facilitated cartilage regeneration. These data suggest a safe and promising strategy for improving the outcome of stem cell therapy.
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Affiliation(s)
- Chi Liang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Junjie Huang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Pan Luo
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Zili Wang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Jinshen He
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Song Wu
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Cheng Peng
- Department of Burns and Plastic Surgery, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Xu Cao
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
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12
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Hao D, Ma B, He C, Liu R, Farmer DL, Lam KS, Wang A. Surface modification of polymeric electrospun scaffolds via a potent and high-affinity integrin α4β1 ligand improved the adhesion, spreading and survival of human chorionic villus-derived mesenchymal stem cells: a new insight for fetal tissue engineering. J Mater Chem B 2020; 8:1649-1659. [PMID: 32011618 PMCID: PMC7353926 DOI: 10.1039/c9tb02309g] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cell-biomaterial interactions are primarily governed by cell adhesion, which arises from the binding of cellular integrins to the extracellular matrix (ECM). Integrins drive the assembly of focal contacts that serve as mechanotransducers and signaling nexuses for stem cells, for example integrin α4β1 plays pivotal roles in regulating mesenchymal stem cell (MSC) homing, adhesion, migration and differentiation. The strategy to control the integrin-mediated cell adhesion to bioinspired, ECM-mimicking materials is essential to regulate cell functions and tissue regeneration. Previously, using one-bead one-compound (OBOC) combinatorial technology, we discovered that LLP2A was a high-affinity peptidomimetic ligand (IC50 = 2 pM) against integrin α4β1. In this study, we identified that LLP2A had a strong binding to human early gestation chorionic villi-derived MSCs (CV-MSCs) via integrin α4β1. To improve CV-MSC seeding, expansion and delivery for regenerative applications, we constructed artificial scaffolds simulating the structure of the native ECM by immobilizing LLP2A onto the scaffold surface as cell adhesion sites. LLP2A modification significantly enhanced CV-MSC adhesion, spreading and viability on the polymeric scaffolds via regulating signaling pathways including phosphorylation of focal adhesion kinase (FAK), and AKT, NF-kB and Caspase 9. In addition, we also demonstrated that LLP2A had strong binding to MSCs of other sources, such as bone marrow-derived mesenchymal stem cells (BM-MSCs) and adipose tissue-derived mesenchymal stem cells (AT-MSCs). Therefore, LLP2A and its derivatives not only hold great promise for improving CV-MSC-mediated treatment of fetal diseases, but they can also be widely applied to functionalize various biological and medical materials, which are in need of MSC recruitment, enrichment and survival, for regenerative medicine applications.
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Affiliation(s)
- Dake Hao
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA. and Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Bowen Ma
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA.
| | - Chuanchao He
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA.
| | - Ruiwu Liu
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Diana L Farmer
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA. and Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Kit S Lam
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Aijun Wang
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA. and Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA and Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
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13
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Amemiya M, Tsuji K, Katagiri H, Miyatake K, Nakagawa Y, Sekiya I, Muneta T, Koga H. Synovial fluid-derived mesenchymal cells have non-inferior chondrogenic potential and can be utilized for regenerative therapy as substitute for synovium-derived cells. Biochem Biophys Res Commun 2019; 523:465-472. [PMID: 31882120 DOI: 10.1016/j.bbrc.2019.12.068] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 12/15/2019] [Indexed: 12/26/2022]
Abstract
Recent progress in the field of mesenchymal stem cell (MSC) biology has enabled their clinical application. In the autologous cell transplantation therapy, the source of MSCs are quite important to reduce patients' physical burden. In this study, we isolated MSCs from the synovial fluid (SF) and synovial membrane (Syn) of the same patients and compared the biological characteristics of them. In vitro and in vivo experiments indicated the non-inferior chondrocytic differentiation and articular cartilage regeneration potential of SF-MSCs compared to that of Syn-MSCs; however, SF-MSCs showed less proliferative potential than Syn-MSCs in vitro. Flow cytometry-based multiplex surface antigen expression analyses indicated that SF-MSCs exhibit fewer cells positive for CD140, which is a functional growth factor receptor for MSCs. Nevertheless, we obtained enough SF-MSCs for transplantation within several passages. Since arthrocentesis is routinely performed during outpatient care in the consultation room and is less invasive than synovial biopsy, MSC derived from synovial fluid could be considered an attractive cell source for cartilage regenerative therapy as a substitute for Syn-MSC. Developing these cells for clinical application may greatly benefit patients undergoing autologous MSC transplantation therapy.
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Affiliation(s)
| | | | | | | | | | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Japan
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14
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Maepa M, Ssemakalu CC, Motaung KS. The Potential Chondrogenic Effect of Eucomis autumnalis Aqueous Extracts on Porcine Adipose-Derived Mesenchymal Stem Cells. Tissue Eng Part A 2019; 25:1137-1145. [DOI: 10.1089/ten.tea.2018.0247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Makwese Maepa
- Department of Biomedical Sciences, Faculty of Science, Tshwane University of Technology, Pretoria, South Africa
| | - Cornelius Cano Ssemakalu
- Department of Biotechnology, Faculty of Applied and Computer Sciences, Vaal University of Technology, Vanderbijlpark, South Africa
| | - Keolebogile Shirley Motaung
- Department of Biomedical Sciences, Faculty of Science, Tshwane University of Technology, Pretoria, South Africa
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15
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Mihai MC, Popa MA, Suica VI, Antohe F, Jackson EK, Simionescu M, Dubey RK. Mechanism of 17β-estradiol stimulated integration of human mesenchymal stem cells in heart tissue. J Mol Cell Cardiol 2019; 133:115-124. [PMID: 31201797 DOI: 10.1016/j.yjmcc.2019.06.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 05/21/2019] [Accepted: 06/11/2019] [Indexed: 01/25/2023]
Abstract
Scarcity of gender specific donor hearts highlights the importance of mesenchymal stem cells (MSCs) as a therapeutic tool for heart repair. However, inefficient incorporation, retention, and activity of MSCs in cardiac tissue remain an obstacle. Since surges in follicular estradiol (E2; μmolar-range) trigger tissue remodeling (e.g. ovulation) and E2 exerts beneficial actions on the cardiovascular system, we hypothesized that E2 may promote/improve MSC-mediated cardiac repair processes. Using Wharton's jelly (WJ)-derived MSCs we assessed the effects of E2 on MSC proliferation, directed migration, and engraftment in murine heart slices (using xCELLigence real-time cell-impedance system, DNA quantification, and microscopy) and on MSC-induced angiogenesis in vivo (matrigel plug assay). Protein expression was assessed by Western blotting, ELISA/Luminex, and proteomic analysis; whereas mRNA expression was assessed by qRT-PCR. MSCs expressed estrogen receptors (ERs) -alpha and -beta. E2 promoted MSC proliferation and up-regulated mRNA and protein expression of ER-alpha, ER-beta, extracellular matrix metalloproteinase inducer (EMMPRIN), and matrix metalloproteinase (MMP) -9, yet down-regulated MMP-2 expression. Moreover, E2 up-regulated expression of vascular endothelial growth factor (VEGF)-A, VEGFR-2, vascular cell adhesion protein-1 (VCAM-1), and angiogenin (ANG) and stimulated nitric oxide (NO) production via ER. Proteomic analysis of MSCs showed that E2 up-regulated 47 proteins, down-regulated 7 proteins, and increased the expression of key biochemical components/pathways involved in tissue repair. In MSCs co-cultured with murine heart-slices, E2 significantly induced MSC migration in an ER-alpha-dependent fashion and significantly increased the secretion of MMP-2, MMP-9, ANG, and VEGF. In an in vivo matrigel assay, E2-treated MSCs increased angiogenesis and hemoglobin content. In conclusion, E2-treatment increases the incorporation of MSCs in heart slices and promotes MSC-induced angiogenesis. These beneficial effects are mediated via increases in molecules/pathways involved in tissue remodeling and angiogenesis. We speculate that E2 may enhance MSC ability to repair/regenerate cardiac tissue.
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Affiliation(s)
- Maria Cristina Mihai
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania.
| | - Mirel Adrian Popa
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
| | - Viorel Iulian Suica
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
| | - Felicia Antohe
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
| | - Edwin K Jackson
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, USA
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
| | - Raghvendra K Dubey
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, USA; Department for Reproductive Endocrinology, University Zurich, Switzerland.
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16
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Cao W, Lin W, Cai H, Chen Y, Man Y, Liang J, Wang Q, Sun Y, Fan Y, Zhang X. Dynamic mechanical loading facilitated chondrogenic differentiation of rabbit BMSCs in collagen scaffolds. Regen Biomater 2019; 6:99-106. [PMID: 30967964 PMCID: PMC6446999 DOI: 10.1093/rb/rbz005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/10/2018] [Accepted: 12/26/2018] [Indexed: 02/05/2023] Open
Abstract
Mechanical signals have been played close attention to regulate chondrogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). In this study, dynamic mechanical loading simulation with natural frequencies and intensities were applied to the 3D cultured BMSCs-collagen scaffold constructs. We investigated the effects of dynamic mechanical loading on cell adhesion, uniform distribution, proliferation, secretion of extracellular matrix (ECM) and chondrogenic differentiation of BMSCs-collagen scaffold constructs. The results indicated that dynamic mechanical loading facilitated the BMSCs adhesion, uniform distribution, proliferation and secretion of ECM with a slight contraction, which significantly improved the mechanical strength of the BMSCs-collagen scaffold constructs for better mimicking the structure and function of a native cartilage. Gene expression results indicated that dynamic mechanical loading contributed to the chondrogenic differentiation of BMSCs with higher levels of AGG, COL2A1 and SOX9 genes, and prevented of hypertrophic process with lower levels of COL10A1, and reduced the possibility of fibrocartilage formation due to down-regulated COL1A2. In conclusion, this study emphasized the important role of dynamic mechanical loading on promoting BMSCs chondrogenic differentiation and maintaining the cartilage phenotype for in vitro reconstruction of tissue-engineered cartilage, which provided an attractive prospect and a feasibility strategy for cartilage repair.
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Affiliation(s)
- Wanxu Cao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Weimin Lin
- State Key Laboratory of Oral Diseases, Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hanxu Cai
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Yafang Chen
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Yi Man
- State Key Laboratory of Oral Diseases, Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jie Liang
- Sichuan Testing Center for Biomaterials and Medical Devices, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Qiguang Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, China
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17
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Groot Nibbelink M, Skrzypek K, Karbaat L, Both S, Plass J, Klomphaar B, van Lente J, Henke S, Karperien M, Stamatialis D, van Apeldoorn A. An important step towards a prevascularized islet microencapsulation device: in vivo prevascularization by combination of mesenchymal stem cells on micropatterned membranes. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:174. [PMID: 30413974 PMCID: PMC6244873 DOI: 10.1007/s10856-018-6178-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 10/17/2018] [Indexed: 06/08/2023]
Abstract
Extrahepatic transplantation of islets of Langerhans could aid in better survival of islets after transplantation. When islets are transfused into the liver 60-70% of them are lost immediately after transplantation. An important factor for a successful extrahepatic transplantation is a well-vascularized tissue surrounding the implant. There are many strategies known for enhancing vessel formation such as adding cells with endothelial potential, the combination with angiogenic factors and / or applying surface topography at the exposed surface of the device. Previously we developed porous, micropatterned membranes which can be applied as a lid for an islet encapsulation device and we showed that the surface topography induces human umbilical vein endothelial cell (HUVEC) alignment and interconnection. This was achieved without the addition of hydrogels, often used in angiogenesis assays. In this work, we went one step further towards clinical implementation of the device by combining this micropatterned lid with Mesenchymal Stem Cells (MSCs) to facilitate prevascularization in vivo. As for HUVECs, the micropatterned membranes induced MSC alignment and organization in vitro, an important contributor to vessel formation, whereas in vivo (subcutaneous rat model) they contributed to improved implant prevascularization. In fact, the combination of MSCs seeded on the micropatterned membrane induced the highest vessel formation score in 80% of the sections.
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Affiliation(s)
- Milou Groot Nibbelink
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands.
| | - Katarzyna Skrzypek
- (Bio)artificial organs. Department of Biomaterials Science and Technology, MIRA Institute of Biomedical Technology and Technical Medicine University of Twente, Maastricht, The Netherlands
| | - Lisanne Karbaat
- (Bio)artificial organs. Department of Biomaterials Science and Technology, MIRA Institute of Biomedical Technology and Technical Medicine University of Twente, Maastricht, The Netherlands
| | - Sanne Both
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Jacqueline Plass
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Bettie Klomphaar
- Biomedical Signals and Systems, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Jéré van Lente
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Sieger Henke
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Marcel Karperien
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
| | - Dimitrios Stamatialis
- (Bio)artificial organs. Department of Biomaterials Science and Technology, MIRA Institute of Biomedical Technology and Technical Medicine University of Twente, Maastricht, The Netherlands
| | - Aart van Apeldoorn
- Developmental BioEngineering, MIRA Institute of Biomedical Technology and Technical Medicine, University of Twente, Maastricht, The Netherlands
- Complex Tissue Regeneration, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands
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18
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Gullotta F, Izzo D, Scalera F, Palazzo B, Martin I, Sannino A, Gervaso F. Biomechanical evaluation of hMSCs-based engineered cartilage for chondral tissue regeneration. J Mech Behav Biomed Mater 2018; 86:294-304. [DOI: 10.1016/j.jmbbm.2018.06.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 06/18/2018] [Accepted: 06/25/2018] [Indexed: 01/22/2023]
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19
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Xia H, Liang C, Luo P, Huang J, He J, Wang Z, Cao X, Peng C, Wu S. Pericellular collagen I coating for enhanced homing and chondrogenic differentiation of mesenchymal stem cells in direct intra-articular injection. Stem Cell Res Ther 2018; 9:174. [PMID: 29945671 PMCID: PMC6020325 DOI: 10.1186/s13287-018-0916-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/09/2018] [Accepted: 05/27/2018] [Indexed: 01/06/2023] Open
Abstract
Background Direct intra-articular injection (DIAI) of mesenchymal stem cells (MSCs) is a promising technique for cartilage repair. However, the repair process was hindered by the absence of scaffold and poor cell–matrix interactions. Methods In this study, we developed a pericellular collagen I coating (PCC) on MSCs. The overall performances of MSC-PCC homing, chondrogenic differentiation, and cartilage regeneration have been comprehensively evaluated in a New Zealand rabbit model. Firstly, we examined the morphology and physical characteristics of PCC. Secondly, MSC ex-vivo cartilage slice adhesion and in-vivo cartilage defect homing were observed using multiscale methods. Thirdly, the precartilage condensation of cell pellets formed by aggregation of MSCs was examined to evaluate the cartilage-inducing potential of PCC. Finally, the cartilage regeneration by DIAI of PCC-coated MSCs was observed and scored macroscopically and histologically. Results In general, the cell adhesion and homing assay revealed that PCC facilitated MSC adhesion on cartilage slices, enhancing MSC homing and retention to cartilage defect. This increased homing ratio was accompanied by an increasing cell–cell contact. Compared with naked MSCs, the cell pellets formed by PCC-coated MSCs exhibited more evident appearance of condensation. In pellets, cell–cell interaction has been significantly stimulated, inducing the expression of condensation marker N-cadherin, and subsequent chondrogenic marker collagen II and aggrecan. By 12 weeks after DIAI, cartilage defects have been repaired by MSCs to varying degrees. Overall, PCC significantly enhances the quality of cartilage regeneration judging from macroscopic observation, ICRS score, histological examination, and collagen type I, II, and X immunohistochemical staining. Conclusions The capacity and viability of MSCs can be enhanced by collagen I coating, which provides cues for enhancing cell homing and differentiation. Our method provides a novel strategy for stem cell therapy. Electronic supplementary material The online version of this article (10.1186/s13287-018-0916-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hansong Xia
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Chi Liang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Pan Luo
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Junjie Huang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Jinshen He
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Zili Wang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Xu Cao
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Cheng Peng
- Department of Burns and Plastic Surgery, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Song Wu
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
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20
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Popa MA, Mihai MC, Constantin A, Şuică V, Ţucureanu C, Costache R, Antohe F, Dubey RK, Simionescu M. Dihydrotestosterone induces pro-angiogenic factors and assists homing of MSC into the cardiac tissue. J Mol Endocrinol 2018; 60:1-15. [PMID: 29247133 DOI: 10.1530/jme-17-0185] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 10/12/2017] [Indexed: 01/01/2023]
Abstract
The use of mesenchymal stem cells (MSC) as a therapeutic tool in cardiovascular diseases is promising. Since androgens exert some beneficial actions on the cardiovascular system, we tested our hypothesis that this hormone could promote MSC-mediated repair processes, also. Cultured MSCs isolated from Wharton's jelly were exposed to 30 nM dihydrotestosterone (DHT) for 1 or 4 days and the effects of the hormone on their growth/migration/adhesion and the underlying mechanisms were assessed. Results were obtained by real-time cell impedance measurements, and DNA quantification showed that DHT increased MSC proliferation by ~30%. As determined by xCELLigence system, DHT augmented (~2 folds) the migration of MSC toward cardiac tissue slices (at 12 h), and this effect was blocked by flutamide, an androgen receptor (AR) antagonist. Exposure of cells to DHT, upregulated the gene and protein expression of AR, EMMPRIN and MMP-9 and downregulated the expression of MMP-2 DHT significantly induced the release of nitric oxide by MSC (≥2-fold) and flutamide blocked this effect. When MSCs were co-cultured with cardiac slices, immunohistochemical analysis and qRT-PCR showed that the integration of DHT-stimulated MSC was significantly higher than that of in controls. In conclusion, our findings provide the first evidence that DHT promotes MSC growth, migration and integration into the cardiac slices. The modulating effects of DHT were associated with upregulation of ARs and of key molecules known to promote tissue remodeling and angiogenesis. Our findings suggest that priming of MSC with DHT may potentially increase their capability to regenerate cardiac tissue; in vivo studies are needed to confirm our in vitro findings.
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Affiliation(s)
- Mirel-Adrian Popa
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
| | - Maria-Cristina Mihai
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
| | - Alina Constantin
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
| | - Viorel Şuică
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
| | - Cătălin Ţucureanu
- Infection and Immunity Laboratory, National Institute for Research and Development in Microbiology and Immunology 'I. Cantacuzino', Bucharest, Romania
| | - Raluca Costache
- Department of Obstetrics and Gynecology, Clinical Hospital 'Dr. Ioan Cantacuzino', Bucharest, Romania
| | - Felicia Antohe
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
| | - Raghvendra K Dubey
- Department for Reproductive Endocrinology, University Hospital Zurich, Schlieren, Switzerland
- Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zurich, Switzerland
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology 'Nicolae Simionescu' of the Romanian Academy, Bucharest, Romania
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21
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Zwolanek D, Satué M, Proell V, Godoy JR, Odörfer KI, Flicker M, Hoffmann SC, Rülicke T, Erben RG. Tracking mesenchymal stem cell contributions to regeneration in an immunocompetent cartilage regeneration model. JCI Insight 2017; 2:87322. [PMID: 29046476 DOI: 10.1172/jci.insight.87322] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 09/20/2017] [Indexed: 01/22/2023] Open
Abstract
It is currently controversially discussed whether mesenchymal stem cells (MSC) facilitate cartilage regeneration in vivo by a progenitor- or a nonprogenitor-mediated mechanism. Here, we describe a potentially novel unbiased in vivo cell tracking system based on transgenic donor and corresponding immunocompetent marker-tolerant recipient mouse and rat lines in inbred genetic backgrounds. Tolerance of recipients was achieved by transgenic expression of an immunologically neutral but physicochemically distinguishable variant of the marker human placental alkaline phosphatase (ALPP). In this dual transgenic system, donor lines ubiquitously express WT, heat-resistant ALPP protein, whereas recipient lines express a heat-labile ALPP mutant (ALPPE451G) resulting from a single amino acid substitution. Tolerance of recipient lines to ALPP-expressing cells and tissues was verified by skin transplantation. Using this model, we show that intraarticularly injected MSC contribute to regeneration of articular cartilage in full-thickness cartilage defects mainly via a nonprogenitor-mediated mechanism.
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Affiliation(s)
- Daniela Zwolanek
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - María Satué
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Verena Proell
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - José R Godoy
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Kathrin I Odörfer
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Magdalena Flicker
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Sigrid C Hoffmann
- Medical Research Center, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Thomas Rülicke
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Reinhold G Erben
- Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
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22
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Leijs MJC, van Buul GM, Verhaar JAN, Hoogduijn MJ, Bos PK, van Osch GJVM. Pre-Treatment of Human Mesenchymal Stem Cells With Inflammatory Factors or Hypoxia Does Not Influence Migration to Osteoarthritic Cartilage and Synovium. Am J Sports Med 2017; 45:1151-1161. [PMID: 28114800 DOI: 10.1177/0363546516682710] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) are promising candidates as a cell-based therapy for osteoarthritis (OA), although current results are modest. Pre-treatment of MSCs before application might improve their therapeutic efficacy. HYPOTHESIS Pre-treatment of MSCs with inflammatory factors or hypoxia will improve their migration and adhesion capacities toward OA-affected tissues. STUDY DESIGN Controlled laboratory study. METHODS We used real-time polymerase chain reaction to determine the effects of different fetal calf serum (FCS) batches, platelet lysate (PL), hypoxia, inflammatory factors, factors secreted by OA tissues, and OA synovial fluid (SF) on the expression of 12 genes encoding chemokine or adhesion receptors. Migration of MSCs toward factors secreted by OA tissues was studied in vitro, and attachment of injected MSCs was evaluated in vivo in healthy and OA knees of male Wistar rats. RESULTS Different FCS batches, PL, or hypoxia did not influence the expression of the migration and adhesion receptor genes. Exposure to inflammatory factors altered the expression of CCR1, CCR4, CD44, PDGFRα, and PDGFRβ. MSCs migrated toward factors secreted by OA tissues in vitro. Neither pre-treatment with inflammatory factors nor the presence of OA influenced MSC migration in vitro or adhesion in vivo. CONCLUSION Factors secreted by OA tissues increase MSC migration in vitro. In vivo, no difference in MSC adhesion was found between OA and healthy knees. Pre-treatment with inflammatory factors influenced the expression of migration and adhesion receptors of MSCs but not their migration in vitro or adhesion in vivo. CLINICAL RELEVANCE To improve the therapeutic capacity of intra-articular injection of MSCs, they need to remain intra-articular for a longer period of time. Pre-treatment of MSCs with hypoxia or inflammatory factors did not increase the migration or adhesion capacity of MSCs and will therefore not likely prolong their intra-articular longevity. Alternative approaches to prolong the intra-articular presence of MSCs should be developed to increase the therapeutic effect of MSCs in OA.
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Affiliation(s)
- Maarten J C Leijs
- Department of Orthopaedics, Erasmus MC Rotterdam, the Netherlands.,Department of Radiology, Erasmus MC Rotterdam, the Netherlands
| | | | - Jan A N Verhaar
- Department of Orthopaedics, Erasmus MC Rotterdam, the Netherlands
| | | | - Pieter K Bos
- Department of Orthopaedics, Erasmus MC Rotterdam, the Netherlands
| | - Gerjo J V M van Osch
- Department of Orthopaedics, Erasmus MC Rotterdam, the Netherlands.,Department of Otorhinolaryngology, Erasmus MC Rotterdam, the Netherlands
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23
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Xing D, Chen J, Yang J, Heng BC, Ge Z, Lin J. Perspectives on Animal Models Utilized for the Research and Development of Regenerative Therapies for Articular Cartilage. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s40610-016-0038-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Chang YH, Liu HW, Wu KC, Ding DC. Mesenchymal Stem Cells and Their Clinical Applications in Osteoarthritis. Cell Transplant 2016; 25:937-50. [DOI: 10.3727/096368915x690288] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Osteoarthritis is a chronic degenerative joint disorder characterized by articular cartilage destruction and osteophyte formation. Chondrocytes in the matrix have a relatively slow turnover rate, and the tissue itself lacks a blood supply to support repair and remodeling. Researchers have evaluated the effectiveness of stem cell therapy and tissue engineering for treating osteoarthritis. All sources of stem cells, including embryonic, induced pluripotent, fetal, and adult stem cells, have potential use in stem cell therapy, which provides a permanent biological solution. Mesenchymal stem cells (MSCs) isolated from bone marrow, adipose tissue, and umbilical cord show considerable promise for use in cartilage repair. MSCs can be sourced from any or all joint tissues and can modulate the immune response. Additionally, MSCs can directly differentiate into chondrocytes under appropriate signal transduction. They also have immunosuppressive and anti-inflammatory paracrine effects. This article reviews the current clinical applications of MSCs and future directions of research in osteoarthritis.
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Affiliation(s)
- Yu-Hsun Chang
- Department of Pediatrics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
| | - Hwan-Wun Liu
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
- Department of Occupational Medicine, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Kun-Chi Wu
- Department of Orthopedics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Dah-Ching Ding
- Department of Pediatrics, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
- Department of Obstetrics and Gynecology, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
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25
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Millan C, Cavalli E, Groth T, Maniura-Weber K, Zenobi-Wong M. Engineered Microtissues Formed by Schiff Base Crosslinking Restore the Chondrogenic Potential of Aged Mesenchymal Stem Cells. Adv Healthc Mater 2015; 4:1348-58. [PMID: 25866187 DOI: 10.1002/adhm.201500102] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 03/12/2015] [Indexed: 01/09/2023]
Abstract
A universal method for reproducibly directing stem cell differentiation remains a major challenge for clinical applications involving cell-based therapies. The standard approach for chondrogenic induction by micromass pellet culture is highly susceptible to interdonor variability. A novel method for the fabrication of condensation-like engineered microtissues (EMTs) that utilizes hydrophilic polysaccharides to induce cell aggregation is reported here. Chondrogenesis of mesenchymal stem cells (MSCs) in EMTs is significantly enhanced compared to micromass pellets made by centrifugation measured by type II collagen gene expression, dimethylmethylene blue assay, and histology. MSCs from aged donors that fail to differentiate in pellet culture are successfully induced to synthesize cartilage-specific matrix in EMTs under identical media conditions. Furthermore, the EMT polysaccharides support the loading and release of the chondroinduction factor transforming growth factor β3 (TGF-β3). TGF-β-loaded EMTs (EMT(+TGF) ) facilitate cartilaginous tissue formation during culture in media not supplemented with the growth factor. The clinical potential of this approach is demonstrated in an explant defect model where EMT(+TGF) from aged MSCs synthesize de novo tissue containing sulfated glycosaminoglycans and type II collagen in situ.
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Affiliation(s)
- Christopher Millan
- Cartilage Engineering + Regeneration Laboratory; ETH Zürich; Otto-Stern-Weg 7 8093 Zürich Switzerland
| | - Emma Cavalli
- Cartilage Engineering + Regeneration Laboratory; ETH Zürich; Otto-Stern-Weg 7 8093 Zürich Switzerland
| | - Thomas Groth
- Biomedical Materials Group; Martin Luther University Halle-Wittenberg; Heinrich-Damerow-Strasse 4 06120 Halle (Saale) Germany
| | - Katharina Maniura-Weber
- Laboratory for Biointerfaces, Empa; Swiss Federal Laboratories for Materials Science and Technology; Lerchenfeldstrasse 5 9014 St. Gallen Switzerland
| | - Marcy Zenobi-Wong
- Cartilage Engineering + Regeneration Laboratory; ETH Zürich; Otto-Stern-Weg 7 8093 Zürich Switzerland
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26
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Mardones R, Jofré CM, Minguell JJ. Cell Therapy and Tissue Engineering Approaches for Cartilage Repair and/or Regeneration. Int J Stem Cells 2015; 8:48-53. [PMID: 26019754 PMCID: PMC4445709 DOI: 10.15283/ijsc.2015.8.1.48] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Accepted: 05/04/2015] [Indexed: 01/27/2023] Open
Abstract
Articular cartilage injuries caused by traumatic, mechanical and/or by progressive degeneration result in pain, swelling, subsequent loss of joint function and finally osteoarthritis. Due to the peculiar structure of the tissue (no blood supply), chondrocytes, the unique cellular phenotype in cartilage, receive their nutrition through diffusion from the synovial fluid and this limits their intrinsic capacity for healing. The first cellular avenue explored for cartilage repair involved the in situ transplantation of isolated chondrocytes. Latterly, an improved alternative for the above reparative strategy involved the infusion of mesenchymal stem cells (MSC), which in addition to a self-renewal capacity exhibit a differentiation potential to chondrocytes, as well as a capability to produce a vast array of growth factors, cytokines and extracellular matrix compounds involved in cartilage development. In addition to the above and foremost reparative options up till now in use, other therapeutic options have been developed, comprising the design of biomaterial substrates (scaffolds) capable of sustaining MSC attachment, proliferation and differentiation. The implantation of these engineered platforms, closely to the site of cartilage damage, may well facilitate the initiation of an ‘in situ’ cartilage reparation process. In this mini-review, we examined the timely and conceptual development of several cell-based methods, designed to repair/regenerate a damaged cartilage. In addition to the above described cartilage reparative options, other therapeutic alternatives still in progress are portrayed.
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Affiliation(s)
- Rodrigo Mardones
- Centro de Traumatología y Ortopedia, Laboratorio de Ingeniería de Tejidos, Clínica Las Condes, Santiago, Chile ; Centro de Terapia Regenerativa Celular, Laboratorio de Ingeniería de Tejidos, Clínica Las Condes, Santiago, Chile
| | - Claudio M Jofré
- Centro de Terapia Regenerativa Celular, Laboratorio de Ingeniería de Tejidos, Clínica Las Condes, Santiago, Chile
| | - José J Minguell
- Centro de Terapia Regenerativa Celular, Laboratorio de Ingeniería de Tejidos, Clínica Las Condes, Santiago, Chile
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