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Deng D, Zhang Y, Tang B, Zhang Z. Sources and applications of endothelial seed cells: a review. Stem Cell Res Ther 2024; 15:175. [PMID: 38886767 PMCID: PMC11184868 DOI: 10.1186/s13287-024-03773-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 05/26/2024] [Indexed: 06/20/2024] Open
Abstract
Endothelial cells (ECs) are widely used as donor cells in tissue engineering, organoid vascularization, and in vitro microvascular model development. ECs are invaluable tools for disease modeling and drug screening in fundamental research. When treating ischemic diseases, EC engraftment facilitates the restoration of damaged blood vessels, enhancing therapeutic outcomes. This article presents a comprehensive overview of the current sources of ECs, which encompass stem/progenitor cells, primary ECs, cell lineage conversion, and ECs derived from other cellular sources, provides insights into their characteristics, potential applications, discusses challenges, and explores strategies to mitigate these issues. The primary aim is to serve as a reference for selecting suitable EC sources for preclinical research and promote the translation of basic research into clinical applications.
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Affiliation(s)
- Dan Deng
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Yu Zhang
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China
| | - Bo Tang
- Chongqing International Institute for Immunology, Chongqing, China.
| | - Zhihui Zhang
- Department of Cardiovascular Medicine, Center for Circadian Metabolism and Cardiovascular Disease, Southwest Hospital, Army Medical University, Chongqing, China.
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2
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Engineering pro-angiogenic biomaterials via chemoselective extracellular vesicle immobilization. Biomaterials 2021; 281:121357. [PMID: 34999538 DOI: 10.1016/j.biomaterials.2021.121357] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 12/26/2022]
Abstract
Nanoscale extracellular vesicles (EVs) represent a unique cellular derivative that reflect the therapeutic potential of mesenchymal stem cells (MSCs) toward tissue engineering and injury repair without the logistical and safety concerns of utilizing living cells. However, upon systemic administration in vivo,EVs undergo rapid clearance and typically lack controlled targeted delivery, thus reducing their effectiveness in therapeutic regenerative therapies. Here, we describe a strategy that enables long-term in vivo spatial EV retention by chemoselective immobilization of metabolically incoporated azido ligand-bearing EVs (azido-EVs) within a dibenzocyclooctyne-modified collagen hydrogel. MSC-derived azido-EVs exhibit comparable morphological and functional properties as their non-labeled EV counterparts and, when immobilized within collagen hydrogel implants via click chemistry, they elicited more robust host cell infiltration, angiogenic and immunoregulatory responses including vascular ingrowth and macrophage recruitment compared to ten times the higher dose required by non-immobilized EVs. We envision this technology will enable a wide range of applications to spatially promote vascularization and host integration relevant to tissue engineering and regenerative medicine applications.
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Inci I, Norouz Dizaji A, Ozel C, Morali U, Dogan Guzel F, Avci H. Decellularized inner body membranes for tissue engineering: A review. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:1287-1368. [DOI: 10.1080/09205063.2020.1751523] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ilyas Inci
- Vocational School of Health Services, Department of Dentistry Services, Dental Prosthetics Technology, Izmir Democracy University, Izmir, Turkey
| | - Araz Norouz Dizaji
- Faculty of Engineering and Natural Sciences, Department of Biomedical Engineering, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Ceren Ozel
- Application and Research Center (ESTEM), Cellular Therapy and Stem Cell Production, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Ugur Morali
- Faculty of Engineering and Architecture, Department of Chemical Engineering, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Fatma Dogan Guzel
- Faculty of Engineering and Natural Sciences, Department of Biomedical Engineering, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Huseyin Avci
- Faculty of Engineering and Architecture, Department of Metallurgical and Materials Engineering, Eskisehir Osmangazi University, Eskisehir, Turkey
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Wang K, Lin RZ, Melero-Martin JM. Bioengineering human vascular networks: trends and directions in endothelial and perivascular cell sources. Cell Mol Life Sci 2019; 76:421-439. [PMID: 30315324 PMCID: PMC6349493 DOI: 10.1007/s00018-018-2939-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/04/2018] [Accepted: 10/08/2018] [Indexed: 12/13/2022]
Abstract
Tissue engineering holds great promise in regenerative medicine. However, the field of tissue engineering faces a myriad of difficulties. A major challenge is the necessity to integrate vascular networks into bioengineered constructs to enable physiological functions including adequate oxygenation, nutrient delivery, and removal of waste products. The last two decades have seen remarkable progress in our collective effort to bioengineer human-specific vascular networks. Studies have included both in vitro and in vivo investigations, and multiple methodologies have found varying degrees of success. What most approaches to bioengineer human vascular networks have in common, however, is the synergistic use of both (1) endothelial cells (ECs)-the cells used to line the lumen of the vascular structures and (2) perivascular cells-usually used to support EC function and provide perivascular stability to the networks. Here, we have highlighted trends in the use of various cellular sources over the last two decades of vascular network bioengineering research. To this end, we comprehensively reviewed all life science and biomedical publications available at the MEDLINE database up to 2018. Emphasis was put on selective studies that definitively used human ECs and were specifically related to bioengineering vascular networks. To facilitate this analysis, all papers were stratified by publication year and then analyzed according to their use of EC and perivascular cell types. This study provides an illustrating discussion on how each alternative source of cells has come to be used in the field. Our intention was to reveal trends and to provide new insights into the trajectory of vascular network bioengineering with regard to cellular sources.
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Affiliation(s)
- Kai Wang
- Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Surgery, Harvard Medical School, Boston, MA, 02115, USA
| | - Ruei-Zeng Lin
- Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Surgery, Harvard Medical School, Boston, MA, 02115, USA
| | - Juan M Melero-Martin
- Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA, 02115, USA.
- Department of Surgery, Harvard Medical School, Boston, MA, 02115, USA.
- Harvard Stem Cell Institute, Cambridge, MA, 02138, USA.
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5
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NAKAMURA N, KIMURA T, KISHIDA A. Medical Application of Decellularized Tissue-Polymer Complex. KOBUNSHI RONBUNSHU 2018. [DOI: 10.1295/koron.2017-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Naoko NAKAMURA
- College of Systems Engineering and Science, Shibaura Institute of Technology
| | - Tsuyoshi KIMURA
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Akio KISHIDA
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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6
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Double-layered cell transfer technology for bone regeneration. Sci Rep 2016; 6:33286. [PMID: 27624174 PMCID: PMC5021950 DOI: 10.1038/srep33286] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 08/23/2016] [Indexed: 12/14/2022] Open
Abstract
For cell-based medicine, to mimic in vivo cellular localization, various tissue engineering approaches have been studied to obtain a desirable arrangement of cells on scaffold materials. We have developed a novel method of cell manipulation called “cell transfer technology”, enabling the transfer of cultured cells onto scaffold materials, and controlling cell topology. Here we show that using this technique, two different cell types can be transferred onto a scaffold surface as stable double layers or in patterned arrangements. Various combinations of adherent cells were transferred to a scaffold, amniotic membrane, in overlapping bilayers (double-layered cell transfer), and transferred cells showed stability upon deformations of the material including folding and trimming. Transplantation of mesenchymal stem cells from periodontal ligaments (PDLSC) and osteoblasts, using double-layered cell transfer significantly enhanced bone formation, when compared to single cell type transplantation. Our findings suggest that this double-layer cell transfer is useful to produce a cell transplantation material that can bear two cell layers. Moreover, the transplantation of an amniotic membrane with PDLSCs/osteoblasts by cell transfer technology has therapeutic potential for bone defects. We conclude that cell transfer technology provides a novel and unique cell transplantation method for bone regeneration.
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Thomas D, Thirumaran A, Mallard B, Chen X, Browne S, Wheatley AM, O'Brien T, Pandit A. Variability in Endogenous Perfusion Recovery of Immunocompromised Mouse Models of Limb Ischemia. Tissue Eng Part C Methods 2016; 22:370-81. [DOI: 10.1089/ten.tec.2015.0441] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- Dilip Thomas
- Regenerative Medicine Institute, National University of Ireland Galway, Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Arun Thirumaran
- Regenerative Medicine Institute, National University of Ireland Galway, Galway, Ireland
| | - Beth Mallard
- Department of Physiology, National University of Ireland Galway, Galway, Ireland
| | - Xizhe Chen
- Regenerative Medicine Institute, National University of Ireland Galway, Galway, Ireland
| | - Shane Browne
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Antony M. Wheatley
- Department of Physiology, National University of Ireland Galway, Galway, Ireland
| | - Timothy O'Brien
- Regenerative Medicine Institute, National University of Ireland Galway, Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Abhay Pandit
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
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Laschke MW, Menger MD. Prevascularization in tissue engineering: Current concepts and future directions. Biotechnol Adv 2015; 34:112-21. [PMID: 26674312 DOI: 10.1016/j.biotechadv.2015.12.004] [Citation(s) in RCA: 176] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 11/16/2015] [Accepted: 12/04/2015] [Indexed: 12/24/2022]
Abstract
The survival of engineered tissue constructs during the initial phase after their implantation depends on the rapid development of an adequate vascularization. This, in turn, is a major prerequisite for the constructs' long-term function. 'Prevascularization' has emerged as a promising concept in tissue engineering, aiming at the generation of a preformed microvasculature in tissue constructs prior to their implantation. This should shorten the time period during which the constructs are avascular and suffer hypoxic conditions. Herein, we provide an overview of current strategies for the generation of preformed microvascular networks within tissue constructs. In vitro approaches use cell seeding, spheroid formation or cell sheet technologies. In situ approaches use the body as a natural bioreactor to induce vascularization by angiogenic ingrowth or flap and arteriovenous (AV)-loop techniques. In future, these strategies may be supplemented by the transplantation of adipose tissue-derived microvascular fragments or the in vitro generation of highly organized microvascular networks by means of sophisticated microscale technologies and microfluidic systems. The further advancement of these prevascularization concepts and their adaptation to individual therapeutic interventions will markedly contribute to a broad implementation of tissue engineering applications into clinical practice.
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Affiliation(s)
- Matthias W Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, D-66421 Homburg/Saar, Germany.
| | - Michael D Menger
- Institute for Clinical & Experimental Surgery, Saarland University, D-66421 Homburg/Saar, Germany
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Wu J, He Z, Gao X, Wu F, Ding R, Ren Y, Jiang Q, Fan M, Liang C, Wu Z. Oxidized high-density lipoprotein impairs endothelial progenitor cells' function by activation of CD36-MAPK-TSP-1 pathways. Antioxid Redox Signal 2015; 22:308-24. [PMID: 25313537 PMCID: PMC4298149 DOI: 10.1089/ars.2013.5743] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIMS High-density lipoprotein (HDL) levels inversely correlate with cardiovascular events due to the protective effects on vascular wall and stem cells, which are susceptible to oxidative modifications and then lead to potential pro-atherosclerotic effects. We proposed that oxidized HDL (ox-HDL) might lead to endothelial progenitor cells (EPCs) dysfunction and investigated underlying mechanisms. RESULTS ox-HDL was shown to increase apoptosis and intracellular reactive oxygen species levels, but to reduce migration, angiogenesis, and cholesterol efflux of EPCs in a dose-dependent manner. p38 mitogen-activated protein kinase (MAPK) and NF-κB were activated after ox-HDL stimulation, which also upregulated thrombospondin-1 (TSP-1) expression without affecting vascular endothelial growth factor. Effects caused by ox-HDL could be significantly attenuated by pretreatment with short hairpin RNA-mediated CD36 knockdown or probucol. Data of in vivo experiments and the inverse correlation of ox-HDL and circulating EPC numbers among patients with coronary artery diseases (CAD) or CAD and type 2 diabetes also supported it. Meanwhile, HDL separated from such patients could significantly increase cultured EPC's caspase 3 activity, further supporting our proposal. INNOVATION This is the most complete study to date of how ox-HDL would impair EPCs function, which was involved with activation of CD36-p38 MAPK-TSP-1 pathways and proved by not only the inverse relationship between ox-HDL and circulating EPCs in clinic but also pro-apoptotic effects of HDL separated from patients' serum. CONCLUSION Activation of CD36-p38 MAPK-TSP-1 pathways contributes to the pathological effects of ox-HDL on EPCs' dysfunction, which might be one of the potential etiological factors responsible for the disturbed neovascularization in chronic ischemic disease.
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Affiliation(s)
- Jianxiang Wu
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
- Department of Geriatrics, No. 411 Hospital of People's Liberation Army, Shanghai, People's Republic of China
| | - Zhiqing He
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Xiang Gao
- Department of Nephrology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Feng Wu
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
- Department of Research, Center for Stem Cell Biology, Roger Williams Medical Center, Boston University School of Medicine, Providence, Rhode Island
| | - Ru Ding
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Yusheng Ren
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Qijun Jiang
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Min Fan
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Chun Liang
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Zonggui Wu
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China
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10
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Poitevin S, Cussac D, Leroyer AS, Albinet V, Sarlon-Bartoli G, Guillet B, Hubert L, Andrieu-Abadie N, Couderc B, Parini A, Dignat-George F, Sabatier F. Sphingosine kinase 1 expressed by endothelial colony-forming cells has a critical role in their revascularization activity. Cardiovasc Res 2014; 103:121-30. [PMID: 24743591 DOI: 10.1093/cvr/cvu104] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIMS Cell therapy based on endothelial colony-forming cells (ECFCs) is a promising option for ischaemic cardiovascular diseases. A better understanding of the mechanisms by which these cells promote revascularization remains a critical challenge to improving their therapeutic potential. We aimed to identify the critical mechanisms involved in the revascularization activity of ECFCs by using the paracrine properties of mesenchymal stem cells (MSC). METHODS AND RESULTS Conditioned medium from human bone marrow-derived MSCs (MSC-CM) increased the angiogenic activity of cord blood ECFCs in vitro (proliferation, migration, and pseudo-tube formation), the survival of ECFCs in mice (Matrigel Plug assay), and the capacity of ECFCs to promote the recovery of blood perfusion in mice with hindlimb ischaemia. Furthermore, the capillary density in ischaemic gastrocnemius muscle was significantly increased in mice transplanted with the ECFCs pre-treated with the MSC-CM. The enhancement of ECFCs activity involved the up-regulation of sphingosine kinase 1 (SphK1) expression and activity. The inhibition of SphK1 in ECFCs by using an inhibitor or a siRNA knockdown of SphK1 prevented the stimulation of the ECFCs induced by the MSC-CM. The improvement of ECFC activity by MSC-CM also involved the up-regulation of sphingosine-1-phosphate receptor 1 (S1P1) and a S1P/S1P1/3-dependent mechanism. Finally, we showed that the stimulation of ECFCs with exogenous S1P increased angiogenesis and promoted blood perfusion in hindlimb ischaemia. CONCLUSION The up-regulation of SphK1 and S1P-dependent pathways is critical for the angiogenic/vasculogenic activity of ECFCs. The identification of this pathway provides attractive targets to optimize cell-based therapy for revascularization in ischaemic diseases.
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Affiliation(s)
- Stéphane Poitevin
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Daniel Cussac
- Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048, Université de Toulouse III, 1 Av Jean Poulhès, BP 84225, 31432 Toulouse Cedex 4, France
| | - Aurélie S Leroyer
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Virginie Albinet
- Centre de Recherche en Cancérologie, INSERM UMR-1037, Université de Toulouse III, BP 84225, CHU Rangueil, 31432 Toulouse Cedex 4, France
| | - Gabrielle Sarlon-Bartoli
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Benjamin Guillet
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Lucas Hubert
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Nathalie Andrieu-Abadie
- Centre de Recherche en Cancérologie, INSERM UMR-1037, Université de Toulouse III, BP 84225, CHU Rangueil, 31432 Toulouse Cedex 4, France
| | - Bettina Couderc
- EA 4553: Individualisation des Traitements des Cancers Ovariens et ORL, Institut Claudius Regaud, 20-24 rue du Pont St Pierre, 31052 Toulouse Cedex 4, France
| | - Angelo Parini
- Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048, Université de Toulouse III, 1 Av Jean Poulhès, BP 84225, 31432 Toulouse Cedex 4, France
| | - Françoise Dignat-George
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
| | - Florence Sabatier
- Aix-Marseille Université, Vascular Research Center of Marseille (VRCM), INSERM UMR-S 1076, Faculté de Pharmacie, 27 Bd Jean Moulin, 13385 Marseille Cedex 05, France
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11
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Iwasaki K, Komaki M, Yokoyama N, Tanaka Y, Taki A, Honda I, Kimura Y, Takeda M, Akazawa K, Oda S, Izumi Y, Morita I. Periodontal regeneration using periodontal ligament stem cell-transferred amnion. Tissue Eng Part A 2013; 20:693-704. [PMID: 24032400 DOI: 10.1089/ten.tea.2013.0017] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Periodontal disease is characterized by the destruction of tooth supporting tissues. Regeneration of periodontal tissues using ex vivo expanded cells has been introduced and studied, although appropriate methodology has not yet been established. We developed a novel cell transplant method for periodontal regeneration using periodontal ligament stem cell (PDLSC)-transferred amniotic membrane (PDLSC-amnion). The aim of this study was to investigate the regenerative potential of PDLSC-amnion in a rat periodontal defect model. Cultured PDLSCs were transferred onto amniotic membranes using a glass substrate treated with polyethylene glycol and photolithography. The properties of PDLSCs were investigated by flow cytometry and in vitro differentiation. PDLSC-amnion was transplanted into surgically created periodontal defects in rat maxillary molars. Periodontal regeneration was evaluated by microcomputed tomography (micro-CT) and histological analysis. PDLSCs showed mesenchymal stem cell-like characteristics such as cell surface marker expression (CD90, CD44, CD73, CD105, CD146, and STRO-1) and trilineage differentiation ability (i.e., into osteoblasts, adipocytes, and chondrocytes). PDLSC-amnion exhibited a single layer of PDLSCs on the amniotic membrane and stability of the sheet even with movement and deformation caused by surgical instruments. We observed that the PDLSC-amnion enhanced periodontal tissue regeneration as determined by micro-CT and histology by 4 weeks after transplantation. These data suggest that PDLSC-amnion has therapeutic potential as a novel cell-based regenerative periodontal therapy.
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Affiliation(s)
- Kengo Iwasaki
- 1 Department of Nanomedicine (DNP), Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University , Tokyo, Japan
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12
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Jerman UD, Veranič P, Kreft ME. Amniotic membrane scaffolds enable the development of tissue-engineered urothelium with molecular and ultrastructural properties comparable to that of native urothelium. Tissue Eng Part C Methods 2013; 20:317-27. [PMID: 23947657 DOI: 10.1089/ten.tec.2013.0298] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The amniotic membrane (AM) is a naturally derived biomaterial that possesses biological and mechanical properties of great importance for tissue engineering. The aim of our study was to determine whether the AM enables the formation of a normal urinary bladder epithelium-urothelium--and to reveal any differences in the urothelial cell (UC) growth and differentiation when using different AM scaffolds. Cryopreserved human AM was used as a scaffold in three different ways. Normal porcine UCs were seeded on the AM epithelium (eAM), denuded AM (dAM), and stromal AM (sAM) and were cultured for 3 weeks. UC growth on AM scaffolds was monitored daily. By using electron microscopy, histochemical and immunofluorescence techniques, we here provide evidence that all three AM scaffolds enable the development of the urothelium. The fastest growth and the highest differentiation of UCs were demonstrated on the sAM scaffold, which enables the development of tissue-engineered urothelium with molecular and ultrastructural properties comparable to that of the native urothelium. Most importantly, the highly differentiated urothelia on the sAM scaffolds provide important experimental models for future drug delivery studies and developing tissue engineering strategies considering that subtle differences are identified before translation to the clinical settings.
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Affiliation(s)
- Urška Dragin Jerman
- 1 Institute of Cell Biology, Faculty of Medicine, University of Ljubljana , Ljubljana, Slovenia
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Iwasaki K, Komaki M, Yokoyama N, Tanaka Y, Taki A, Kimura Y, Takeda M, Oda S, Izumi Y, Morita I. Periodontal Ligament Stem Cells Possess the Characteristics of Pericytes. J Periodontol 2013; 84:1425-33. [DOI: 10.1902/jop.2012.120547] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Argraves KM, Wilkerson BA, Argraves WS. Sphingosine-1-phosphate signaling in vasculogenesis and angiogenesis. World J Biol Chem 2010; 1:291-7. [PMID: 21537462 PMCID: PMC3083932 DOI: 10.4331/wjbc.v1.i10.291] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2010] [Revised: 08/29/2010] [Accepted: 09/05/2010] [Indexed: 02/05/2023] Open
Abstract
Blood vessels either form de novo through the process of vasculogenesis or through angiogenesis that involves the sprouting and proliferation of endothelial cells in pre-existing blood vessels. A complex interactive network of signaling cascades downstream from at least three of the nine known G-protein-coupled sphingosine-1-phosphate (S1P) receptors act as a prime effector of neovascularization that occurs in embryonic development and in association with various pathologies. This review focuses on the current knowledge of the roles of S1P signaling in vasculogenesis and angiogenesis, with particular emphasis on vascular cell adhesion and motility responses.
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Affiliation(s)
- Kelley M Argraves
- Kelley M Argraves, Brent A Wilkerson, W Scott Argraves, Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, United States
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15
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Affiliation(s)
- Toyoaki Murohara
- From the Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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