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Fujisawa Y, Ming L, Yamada D, Takao T, Takarada T. Establishment of a human pluripotent stem cell-derived MKX-td Tomato reporter system. Stem Cell Res Ther 2022; 13:515. [DOI: 10.1186/s13287-022-03203-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/27/2022] [Indexed: 11/14/2022] Open
Abstract
AbstractTendon regeneration is difficult because detailed knowledge about tendon progenitor cells (TPCs), which produce tenocytes to repair tendon tissue, has not been revealed. Mohawk homeobox (MKX) is a marker of TPCs or tenocytes, but a human pluripotent stem cell (hPSC)-based reporter system that visualizes MKX+ cells has not been developed. Here, we established an hPSC-derived MKX-tdTomato reporter cell line and tested the induction ratio of MKX-tdTomato+ cells using our stepwise/xeno-free differentiation protocol. MKX-tdTomato+ cells were generated with high efficiency and expressed tendon-specific markers, including MKX, SCX, TNMD, and COL1A1. Our MKX-tdTomato hPSC line would be a useful tool for studying the development or regeneration of tendon tissue.
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Yu HB, Xiong J, Zhang HZ, Chen Q, Xie XY. TGFβ1-transfected tendon stem cells promote tendon fibrosis. J Orthop Surg Res 2022; 17:358. [PMID: 35864537 PMCID: PMC9306186 DOI: 10.1186/s13018-022-03241-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 06/29/2022] [Indexed: 11/24/2022] Open
Abstract
Background In aged people, tendon injuries frequently occur during sporting and daily activities. In clinical practice, typical physiotherapeutic, pharmacotherapeutic, and surgical techniques do not result in the full recovery of injured tendons, which may lead to chronic degenerative disease. Methods We first isolated tendon stem cells (TSCs) from rats and transfected them with the TGFβ1 gene, resulting in TGFβ1-TSCs. The proliferation of TSCs was detected using the Cell Counting Kit 8, and TSCs were identified by immunofluorescence analysis and differentiation capacity analysis. Aggrecan, COL2A1, alpha smooth muscle actin (α-SMA), and p-Smad2 expression levels were detected using western blotting and quantitative reverse transcription polymerase chain reaction. Additionally, a tendon injury model was generated to explore the effect of TGFβ1 on the repair of the tendon by TSCs. Results Compared with fibrinogen treatment, TSC + fibrinogen or TGFβ1-TSC + fibrinogen treatment significantly promoted the fibrosis of injured tendons, as evidenced by histological analyses, with TGFβ1-TSC + fibrinogen having a greater effect than TSC + fibrinogen. In TGFβ1-TSCs, increased expression levels of aggrecan and COL2A1 indicated that TGFβ1 signaling induced chondrogenic differentiation. Meanwhile, the increased collagen and α-SMA protein levels indicated that TGFβ1 promoted fibrogenesis. Additionally, TGFβ1 stimulated the production of phosphorylated Smad2 in TSCs, which suggested that the chondrogenic and fibrogenic differentiation of TSCs, as well as tissue regeneration, may be associated with the TGFβ1/Smad2 pathway. Conclusion TGFβ1-TSC therapy may be a candidate for effective tendon fibrosis.
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Affiliation(s)
- Hong-Bin Yu
- Department of Sports & Rehabilitation Medicine, The First People's Hospital of Jiujiang City, No. 48 of Taling Street, Jiujiang District, Jiujiang, 332000, China.
| | - Jing Xiong
- Department of Sports & Rehabilitation Medicine, The First People's Hospital of Jiujiang City, No. 48 of Taling Street, Jiujiang District, Jiujiang, 332000, China
| | - Hui-Zhen Zhang
- Department of Sports & Rehabilitation Medicine, The First People's Hospital of Jiujiang City, No. 48 of Taling Street, Jiujiang District, Jiujiang, 332000, China
| | - Qin Chen
- Department of Sports & Rehabilitation Medicine, The First People's Hospital of Jiujiang City, No. 48 of Taling Street, Jiujiang District, Jiujiang, 332000, China
| | - Xu-Yong Xie
- Department of Sports & Rehabilitation Medicine, The First People's Hospital of Jiujiang City, No. 48 of Taling Street, Jiujiang District, Jiujiang, 332000, China
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Park W, Gao G, Cho DW. Tissue-Specific Decellularized Extracellular Matrix Bioinks for Musculoskeletal Tissue Regeneration and Modeling Using 3D Bioprinting Technology. Int J Mol Sci 2021; 22:7837. [PMID: 34360604 PMCID: PMC8346156 DOI: 10.3390/ijms22157837] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/20/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022] Open
Abstract
The musculoskeletal system is a vital body system that protects internal organs, supports locomotion, and maintains homeostatic function. Unfortunately, musculoskeletal disorders are the leading cause of disability worldwide. Although implant surgeries using autografts, allografts, and xenografts have been conducted, several adverse effects, including donor site morbidity and immunoreaction, exist. To overcome these limitations, various biomedical engineering approaches have been proposed based on an understanding of the complexity of human musculoskeletal tissue. In this review, the leading edge of musculoskeletal tissue engineering using 3D bioprinting technology and musculoskeletal tissue-derived decellularized extracellular matrix bioink is described. In particular, studies on in vivo regeneration and in vitro modeling of musculoskeletal tissue have been focused on. Lastly, the current breakthroughs, limitations, and future perspectives are described.
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Affiliation(s)
- Wonbin Park
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, Korea;
| | - Ge Gao
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China;
| | - Dong-Woo Cho
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, Korea;
- POSTECH-Catholic Biomedical Engineering Institute, Pohang University of Science and Technology, Pohang 37673, Korea
- Institute of Convergence Science, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
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Zhang C, Wu J, Li X, Wang Z, Lu WW, Wong TM. Current Biological Strategies to Enhance Surgical Treatment for Rotator Cuff Repair. Front Bioeng Biotechnol 2021; 9:657584. [PMID: 34178957 PMCID: PMC8226184 DOI: 10.3389/fbioe.2021.657584] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 04/07/2021] [Indexed: 01/08/2023] Open
Abstract
Rotator cuff tear is one of the most common shoulder problems encountered by orthopedic surgeons. Due to the slow healing process and high retear rate, rotator cuff tear has distressed millions of people all around the world every year, especially for the elderly and active athletes. This disease significantly impairs patients' motor ability and reduces their quality of life. Besides conservative treatment, open and arthroscopic surgery contributes a lot to accelerate the healing process of rotator cuff tear. Currently, there are many emerging novel treatment methods to promote rotator cuff repair. A variety of biological stimulus has been utilized in clinical practice. Among them, platelet-rich plasma, growth factors, stem cells, and exosomes are the most popular biologics in laboratory research and clinical trials. This review will focus on the biologics of bioaugmentation methods for rotator cuff repair and tendon healing, including platelet-rich plasma, growth factors, exosomes and stem cells, etc. Relevant studies are summarized in this review and future research perspectives are introduced.
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Affiliation(s)
- Cheng Zhang
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Jun Wu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Xiang Li
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Zejin Wang
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Weijia William Lu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology (CAS), Shenzhen, China
| | - Tak-Man Wong
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
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Laurent A, Abdel-Sayed P, Grognuz A, Scaletta C, Hirt-Burri N, Michetti M, de Buys Roessingh AS, Raffoul W, Kronen P, Nuss K, von Rechenberg B, Applegate LA, Darwiche SE. Industrial Development of Standardized Fetal Progenitor Cell Therapy for Tendon Regenerative Medicine: Preliminary Safety in Xenogeneic Transplantation. Biomedicines 2021; 9:biomedicines9040380. [PMID: 33916829 PMCID: PMC8066015 DOI: 10.3390/biomedicines9040380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/18/2022] Open
Abstract
Tendon defects require multimodal therapeutic management over extensive periods and incur high collateral burden with frequent functional losses. Specific cell therapies have recently been developed in parallel to surgical techniques for managing acute and degenerative tendon tissue affections, to optimally stimulate resurgence of structure and function. Cultured primary human fetal progenitor tenocytes (hFPT) have been preliminarily considered for allogeneic homologous cell therapies, and have been characterized as stable, consistent, and sustainable cell sources in vitro. Herein, optimized therapeutic cell sourcing from a single organ donation, industrial transposition of multi-tiered progenitor cell banking, and preliminary preclinical safety of an established hFPT cell source (i.e., FE002-Ten cell type) were investigated. Results underlined high robustness of FE002-Ten hFPTs and suitability for sustainable manufacturing upscaling within optimized biobanking workflows. Absence of toxicity or tumorigenicity of hFPTs was demonstrated in ovo and in vitro, respectively. Furthermore, a 6-week pilot good laboratory practice (GLP) safety study using a rabbit patellar tendon partial-thickness defect model preliminarily confirmed preclinical safety of hFPT-based standardized transplants, wherein no immune reactions, product rejection, or tumour formation were observed. Such results strengthen the rationale of the multimodal Swiss fetal progenitor cell transplantation program and prompt further investigation around such cell sources in preclinical and clinical settings for musculoskeletal regenerative medicine.
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Affiliation(s)
- Alexis Laurent
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
- Preclinical Research Department, LAM Biotechnologies SA, CH-1066 Épalinges, Switzerland
- Manufacturing Department, TEC-PHARMA SA, CH-1038 Bercher, Switzerland
| | - Philippe Abdel-Sayed
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
| | - Anthony Grognuz
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
| | - Corinne Scaletta
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
| | - Nathalie Hirt-Burri
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
| | - Murielle Michetti
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
| | - Anthony S. de Buys Roessingh
- Children and Adolescent Surgery Service, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland;
| | - Wassim Raffoul
- Plastic, Reconstructive, and Hand Surgery Service, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland;
| | - Peter Kronen
- Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zurich, CH-8057 Zurich, Switzerland; (P.K.); (K.N.); (B.v.R.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
| | - Katja Nuss
- Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zurich, CH-8057 Zurich, Switzerland; (P.K.); (K.N.); (B.v.R.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
| | - Brigitte von Rechenberg
- Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zurich, CH-8057 Zurich, Switzerland; (P.K.); (K.N.); (B.v.R.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
| | - Lee Ann Applegate
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Épalinges, Switzerland; (A.L.); (P.A.-S.); (A.G.); (C.S.); (N.H.-B.); (M.M.); (L.A.A.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
- Oxford OSCAR Suzhou Center, Oxford University, Suzhou 215123, China
| | - Salim E. Darwiche
- Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zurich, CH-8057 Zurich, Switzerland; (P.K.); (K.N.); (B.v.R.)
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
- Correspondence: ; Tel.: +41-44-635-90-45
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Wu YF, Chen C, Tang JB, Mao WF. Growth and Stem Cell Characteristics of Tendon-Derived Cells with Different Initial Seeding Densities: An In Vitro Study in Mouse Flexor Tendon Cells. Stem Cells Dev 2020; 29:1016-1025. [PMID: 32443957 DOI: 10.1089/scd.2020.0036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Tendon stem/progenitor cells (TSPCs) are considered promising seed cells for tendon regeneration. Previous studies reported that a low seeding density favors TSPC growth, whereas a high seeding density favors tenocyte growth. We aimed to distinguish TSPCs from tenocytes by seeding tendon-derived cells at a density gradient. In this study, tendon-derived cells were isolated from flexor digitorum profundus tendons of mice and seeded at the initial densities of 50, 500, 5,000, and 50,000/cm2. We found that distinct cell colonies were formed from cells with initial seeding densities of 50 and 500/cm2, but colonies were not discernible for cells seeded at 5,000 and 50,000/cm2. There was a positive correlation between cell proliferation rate and seeding density, but a negative correlation between cell senescence and seeding density. The cell proliferation rate decreased gradually during serial passages. All cells exhibited restricted differentiation potentials, and expressed stem cell markers and relatively high levels of tenogenic markers without notable differences among cells seeded at different densities. We concluded that a pure population of TSPCs could not be isolated from mouse digital flexor tendons through culturing cells at a density gradient. Cells seeded at low densities had very limited proliferative ability and did not show more prominent stem cell characteristics when compared with cells seeded at high densities.
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Affiliation(s)
- Ya Fang Wu
- Department of Hand Surgery, Hand Surgery Research Center, Affiliated Hospital of Nantong University, Nantong, China
| | - Chen Chen
- Department of Hand Surgery, Hand Surgery Research Center, Affiliated Hospital of Nantong University, Nantong, China
| | - Jin Bo Tang
- Department of Hand Surgery, Hand Surgery Research Center, Affiliated Hospital of Nantong University, Nantong, China
| | - Wei Feng Mao
- Department of Hand Surgery, Hand Surgery Research Center, Affiliated Hospital of Nantong University, Nantong, China.,Department of Anatomy, Medical School, Nantong University, Nantong, China
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Motais B, Charvátová S, Hrdinka M, Šimíček M, Jelínek T, Ševčíková T, Kořístek Z, Hájek R, Bagó JR. A Bird's-Eye View of Cell Sources for Cell-Based Therapies in Blood Cancers. Cancers (Basel) 2020; 12:E1333. [PMID: 32456165 PMCID: PMC7281611 DOI: 10.3390/cancers12051333] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/17/2020] [Accepted: 05/20/2020] [Indexed: 12/25/2022] Open
Abstract
: Hematological malignancies comprise over a hundred different types of cancers and account for around 6.5% of all cancers. Despite the significant improvements in diagnosis and treatment, many of those cancers remain incurable. In recent years, cancer cell-based therapy has become a promising approach to treat those incurable hematological malignancies with striking results in different clinical trials. The most investigated, and the one that has advanced the most, is the cell-based therapy with T lymphocytes modified with chimeric antigen receptors. Those promising initial results prepared the ground to explore other cell-based therapies to treat patients with blood cancer. In this review, we want to provide an overview of the different types of cell-based therapies in blood cancer, describing them according to the cell source.
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Affiliation(s)
- Benjamin Motais
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Faculty of Science, University of Ostrava, 701 03 Ostrava, Czech Republic
| | - Sandra Charvátová
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Faculty of Science, University of Ostrava, 701 03 Ostrava, Czech Republic
| | - Matouš Hrdinka
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Michal Šimíček
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Faculty of Science, University of Ostrava, 701 03 Ostrava, Czech Republic
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Tomáš Jelínek
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Faculty of Science, University of Ostrava, 701 03 Ostrava, Czech Republic
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Tereza Ševčíková
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Faculty of Science, University of Ostrava, 701 03 Ostrava, Czech Republic
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Zdeněk Kořístek
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Roman Hájek
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
| | - Juli R. Bagó
- Faculty of Medicine, University of Ostrava, 703 00 Ostrava, Czech Republic; (B.M.); (S.C.); (M.H.); (M.Š.); (T.J.); (T.Š.); (Z.K.); (R.H.)
- Department of Haematooncology, University Hospital Ostrava, 708 52 Ostrava, Czech Republic
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Clinical Potential and Current Progress of Dental Pulp Stem Cells for Various Systemic Diseases in Regenerative Medicine: A Concise Review. Int J Mol Sci 2019; 20:ijms20051132. [PMID: 30845639 PMCID: PMC6429131 DOI: 10.3390/ijms20051132] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 12/13/2022] Open
Abstract
Dental pulp stem cells (DPSCs) are mesenchymal stem cells (MSCs) that have multipotent differentiation and a self-renewal ability. They have been useful not only for dental diseases, but also for systemic diseases. Extensive studies have suggested that DPSCs are effective for various diseases, such as spinal cord injuries, Parkinson's disease, Alzheimer's disease, cerebral ischemia, myocardial infarction, muscular dystrophy, diabetes, liver diseases, eye diseases, immune diseases, and oral diseases. DPSCs have the potential for use in a cell-therapeutic paradigm shift to treat these diseases. It has also been reported that DPSCs have higher regenerative potential than the bone marrow-derived mesenchymal stem cells known as representative MSCs. Therefore, DPSCs have recently gathered much attention. In this review, the therapeutic potential of DPSCs, the latest progress in the pre-clinical study for treatment of these various systemic diseases, and the clinical applications of DPSCs in regenerative medicine, are all summarized. Although challenges, including mechanisms of the effects and establishment of cell processing and transplantation methods for clinical use, still remain, DPSCs could be promising stem cells sources for various clinical applications, because of their easy isolation by a noninvasive procedure without ethical concerns.
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