1
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Dash L, Swaminathan S, Šimura J, Gonzales CLP, Montes C, Solanki N, Mejia L, Ljung K, Zabotina OA, Kelley DR. Changes in cell wall composition due to a pectin biosynthesis enzyme GAUT10 impact root growth. PLANT PHYSIOLOGY 2023; 193:2480-2497. [PMID: 37606259 PMCID: PMC10663140 DOI: 10.1093/plphys/kiad465] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/23/2023]
Abstract
Arabidopsis (Arabidopsis thaliana) root development is regulated by multiple dynamic growth cues that require central metabolism pathways such as β-oxidation and auxin. Loss of the pectin biosynthesizing enzyme GALACTURONOSYLTRANSFERASE 10 (GAUT10) leads to a short-root phenotype under sucrose-limited conditions. The present study focused on determining the specific contributions of GAUT10 to pectin composition in primary roots and the underlying defects associated with gaut10 roots. Using live-cell microscopy, we determined reduced root growth in gaut10 is due to a reduction in both root apical meristem size and epidermal cell elongation. In addition, GAUT10 was required for normal pectin and hemicellulose composition in primary Arabidopsis roots. Specifically, loss of GAUT10 led to a reduction in galacturonic acid and xylose in root cell walls and altered the presence of rhamnogalacturonan-I (RG-I) and homogalacturonan (HG) polymers in the root. Transcriptomic analysis of gaut10 roots compared to wild type uncovered hundreds of genes differentially expressed in the mutant, including genes related to auxin metabolism and peroxisome function. Consistent with these results, both auxin signaling and metabolism were modified in gaut10 roots. The sucrose-dependent short-root phenotype in gaut10 was linked to β-oxidation based on hypersensitivity to indole-3-butyric acid (IBA) and an epistatic interaction with TRANSPORTER OF IBA1 (TOB1). Altogether, these data support a growing body of evidence suggesting that pectin composition may influence auxin pathways and peroxisome activity.
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Affiliation(s)
- Linkan Dash
- Department of Genetics, Development and Cell Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Sivakumar Swaminathan
- Roy J Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Jan Šimura
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå 901 83, Sweden
| | - Caitlin Leigh P Gonzales
- Department of Genetics, Development and Cell Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Christian Montes
- Department of Plant Pathology, Entomology, and Microbiology, Iowa State University, Iowa City, IA 50011, USA
| | - Neel Solanki
- Department of Genetics, Development and Cell Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Ludvin Mejia
- Department of Genetics, Development and Cell Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Karin Ljung
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå 901 83, Sweden
| | - Olga A Zabotina
- Roy J Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Iowa City, IA 50011, USA
| | - Dior R Kelley
- Department of Genetics, Development and Cell Biology, Iowa State University, Iowa City, IA 50011, USA
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2
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Wang M, Zhan H, Wang J, Song H, Sun J, Zhao G. Calcium silicate-stimulated adipose-derived stem cells promote angiogenesis and improve skin wound healing. Aging (Albany NY) 2023; 15:204760. [PMID: 37263631 DOI: 10.18632/aging.204760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/09/2023] [Indexed: 06/03/2023]
Abstract
Skin wound healing is a complicated process involving proliferation, inflammation, coagulation, and hemostasis, and scar tissue formation of wound repairing. Adipose-derived stem cells (ADSCs) have presented potential therapeutic effects in the non-healing and chronic wound. Calcium silicate (CS) ceramics have been identified as a new type of bioceramics for tissue construction and regeneration. Here, we aimed to explore the impact of CS on the regulation of ADSCs-mediated wound healing. Significantly, CS was able to dose-dependently enhance the proliferation of ADSCs. CS inhibited terminal deoxynucleotidyl transferase dUTP nick end labeling positive cells in the H2O2-treated ADSCs. Similarly, the Bcl-2 expression was elevated while Bax and cleaved caspase-3 expression were repressed by CS in the cells. CS could induce migration and reduce oxidative stress of ADSCs. Moreover, immunofluorescence analysis and Western blot analysis showed that CS could promote CXCR4 expression in ADSCs. Moreover, CS-stimulated ADSCs enhanced migration and angiogenic capacity of HUVEC. Importantly, CS-stimulated ADSCs improved wound healing in full-thickness skin defect mouse model. Thus, we conclude that CS improves ADSCs-attenuated wound healing in vivo and in vitro. Our finding presents novel insight in the scenario that CS regulates ADSCs and wound healing. CS may be applied as potential materials for the treatment of wound healing.
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Affiliation(s)
- Mingming Wang
- Department of Orthopaedics, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Department of Orthopaedics, Tengzhou Central People’s Hospital, Tengzhou, Shandong, China
| | - Hongyan Zhan
- Department of B-Ultrasound, The Fourth People’s Hospital of Jinan, Jinan, Shandong, China
| | - Jianhua Wang
- Department of Orthopaedics, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Department of Orthopaedics, Tengzhou Central People’s Hospital, Tengzhou, Shandong, China
| | - Hua Song
- Department of Orthopaedics, Tengzhou Central People’s Hospital, Tengzhou, Shandong, China
| | - Jianhua Sun
- Department of Orthopaedics, Tengzhou Central People’s Hospital, Tengzhou, Shandong, China
| | - Gang Zhao
- Department of Orthopaedics, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
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3
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Small extracellular vesicles of hypoxic endothelial cells regulate the therapeutic potential of adipose-derived mesenchymal stem cells via miR-486-5p/PTEN in a limb ischemia model. J Nanobiotechnology 2022; 20:422. [PMID: 36153544 PMCID: PMC9509557 DOI: 10.1186/s12951-022-01632-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/12/2022] [Indexed: 11/29/2022] Open
Abstract
Background Patients with critical limb ischemia (CLI) are at great risk of major amputation and cardiovascular events. Adipose-derived mesenchymal stem cell (ADSC) therapy is a promising therapeutic strategy for CLI, but the poor engraftment and insufficient angiogenic ability of ADSCs limit their regenerative potential. Herein, we explored the potential of human umbilical vein endothelial cells (HUVECs)-derived small extracellular vesicles (sEVs) for enhancing the therapeutic efficacy of ADSCs in CLI. Results sEVs derived from hypoxic HUVECs enhanced the resistance of ADSCs to reactive oxygen species (ROS) and further improved the proangiogenic ability of ADSCs in vitro. We found that the hypoxic environment altered the composition of sEVs from HUVECs and that hypoxia increased the level of miR-486-5p in sEVs. Compared to normoxic sEVs (nsEVs), hypoxic sEVs (hsEVs) of HUVECs significantly downregulated the phosphatase and tensin homolog (PTEN) via direct targeting of miR-486-5p, therefore activating the AKT/MTOR/HIF-1α pathway and influencing the survival and pro-angiogenesis ability of ADSCs. In a hindlimb ischemia model, we discovered that hsEVs-primed ADSCs exhibited superior cell engraftment, and resulted in better angiogenesis and tissue repair. Conclusion hsEVs could be used as a therapeutic booster to improve the curative potential of ADSCs in a limb ischemia model. This finding offers new insight for CLI treatment. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01632-1.
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CXCR4+ Sorted Adipose-Derived Stem Cells Enhance Their Functional Benefits and Improve Cardiac Function after Myocardial Infarction. Stem Cells Int 2022; 2022:6714765. [PMID: 36051532 PMCID: PMC9427246 DOI: 10.1155/2022/6714765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 07/25/2022] [Accepted: 08/08/2022] [Indexed: 11/18/2022] Open
Abstract
Objective The homing of adipose-derived stem cells (ASCs) to infarcted myocardium, which is important for improved cardiac function, has been investigated previously, but with poor efficiency. Substantial improvements in engraftments are required to optimize ASC treatment. Stromal derived factor-1α (SDF-1α) is upregulated early after MI, and its endogenous receptor, chemokine receptor 4 (CXCR4), is pivotal in stem cell survival, migration, and engraftment. We examined whether CXCR4+ ASCs enhance their efficacy of migration and engraftment posttransplantation and improve heart function following myocardial infarction (MI). Methods and Results CXCR4+ ASC subpopulations were sorted by fluorescence-activated cell sorting. CXCR4+ sorted ASCs exhibited the stronger cell viability, the faster proliferation rate, and the better migration capability in comparison with unfractionated ASCs. CXCR4+ sorted ASCs secreted a higher level of angiogenic growth factors including VEGF, HGF, and IGF-1 relative to unfractionated ASCs. Fewer apoptotic cells under oxygen-glucose deprivation were detected in CXCR4+ sorted ASCs than in unfractionated ASCs. Osteogenic and angiogenic differentiation were more pronounced in CXCR4+ sorted ASCs than in unfractionated ASCs. At 3 days after acute MI, rats were randomly allocated to receive intramyocardial injection of cell culture medium, CXCR4+ sorted ASCs, and unfractionated ASCs. Left ventricular function was assessed echocardiographically 4 weeks thereafter. Explanted hearts were then processed for the immunofluorescence detection of survived cells, quantification of angiogenesis, and cell engraftment. CXCR4+ sorted ASCs more obviously engrafted into infarcted myocardium, more markedly inhibited collagen remodeling, and more effectively improved heart function and promoted capillary formation than did unfractionated ASCs. Conclusion CXCR4+ sorted ASCs are superior to unfractionated ASCs due to better viability, faster proliferation, more cytokine secretion, and stronger migration. CXCR4+ sorted ASCs provide better curative benefits on MI than do unfractionated ASCs and can be efficiently harvested and purified from adipose tissue, they may serve as a promising candidate for MI.
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5
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Sadri F, Rezaei Z, Fereidouni M. The significance of the SDF-1/CXCR4 signaling pathway in the normal development. Mol Biol Rep 2022; 49:3307-3320. [PMID: 35067815 DOI: 10.1007/s11033-021-07069-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 12/08/2021] [Indexed: 12/19/2022]
Abstract
Chemokines are chemoattractants that can regulate cell movement and adhesion. SDF-1 [stromal cell-derived factor-1 (SDF-1)] is a homeostatic CXC chemokine. SDF-1 and its receptors [CXC chemokine receptor 4 (CXCR4)] form a signaling pathway that plays critical roles in different pathological and physiological mechanisms, including embryogenesis, wound healing, angiogenesis, tumor growth, and proliferation. Therefore, the current review aimed to summarize the related studies that addressed the molecular signature of the SDF-1/CXCR4 pathway and to explain how this axis is involved in normal events.
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Affiliation(s)
- Farzad Sadri
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Zohreh Rezaei
- Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran.,Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohammad Fereidouni
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran. .,Department of Medical Immunology, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran.
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6
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Deptuła M, Brzezicka A, Skoniecka A, Zieliński J, Pikuła M. Adipose-derived stromal cells for nonhealing wounds: Emerging opportunities and challenges. Med Res Rev 2021; 41:2130-2171. [PMID: 33522005 PMCID: PMC8247932 DOI: 10.1002/med.21789] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 12/30/2020] [Accepted: 01/20/2021] [Indexed: 12/21/2022]
Abstract
Wound healing complications affect thousands of people each year, thus constituting a profound economic and medical burden. Chronic wounds are a highly complex problem that usually affects elderly patients as well as patients with comorbidities such as diabetes, cancer (surgery, radiotherapy/chemotherapy) or autoimmune diseases. Currently available methods of their treatment are not fully effective, so new solutions are constantly being sought. Cell-based therapies seem to have great potential for use in stimulating wound healing. In recent years, much effort has been focused on characterizing of adipose-derived mesenchymal stromal cells (AD-MSCs) and evaluating their clinical use in regenerative medicine and other medical fields. These cells are easily obtained in large amounts from adipose tissue and show a high proregenerative potential, mainly through paracrine activities. In this review, the process of healing acute and nonhealing (chronic) wounds is detailed, with a special attention paid to the wounds of patients with diabetes and cancer. In addition, the methods and technical aspects of AD-MSCs isolation, culture and transplantation in chronic wounds are described, and the characteristics, genetic stability and role of AD-MSCs in wound healing are also summarized. The biological properties of AD-MSCs isolated from subcutaneous and visceral adipose tissue are compared. Additionally, methods to increase their therapeutic potential as well as factors that may affect their biological functions are summarized. Finally, their therapeutic potential in the treatment of diabetic and oncological wounds is also discussed.
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Affiliation(s)
- Milena Deptuła
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of EmbryologyMedical University of GdanskGdańskPoland
| | | | - Aneta Skoniecka
- Department of Embryology, Faculty of MedicineMedical University of GdanskGdańskPoland
| | - Jacek Zieliński
- Department of Oncologic SurgeryMedical University of GdanskGdańskPoland
| | - Michał Pikuła
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of EmbryologyMedical University of GdanskGdańskPoland
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7
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Chen H, Li G, Liu Y, Ji S, Li Y, Xiang J, Zhou L, Gao H, Zhang W, Sun X, Fu X, Li B. Pleiotropic Roles of CXCR4 in Wound Repair and Regeneration. Front Immunol 2021; 12:668758. [PMID: 34122427 PMCID: PMC8194072 DOI: 10.3389/fimmu.2021.668758] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/26/2021] [Indexed: 12/27/2022] Open
Abstract
Wound healing is a multi-step process that includes multiple cellular events such as cell proliferation, cell adhesion, and chemotactic response as well as cell apoptosis. Accumulating studies have documented the significance of stromal cell-derived factor-1 (SDF-1)/C-X-C chemokine receptor 4 (CXCR4) signaling in wound repair and regeneration. However, the molecular mechanism of regeneration is not clear. This review describes various types of tissue regeneration that CXCR4 participates in and how the efficiency of regeneration is increased by CXCR4 overexpression. It emphasizes the pleiotropic effects of CXCR4 in regeneration. By delving into the specific molecular mechanisms of CXCR4, we hope to provide a theoretical basis for tissue engineering and future regenerative medicine.
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Affiliation(s)
- Huating Chen
- Department of Wound Repair Surgery, Institute of Geriatric Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | | | - Yiqiong Liu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Shuaifei Ji
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Li
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China.,Department of Southern Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
| | - Jiangbing Xiang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China.,Department of School of Biological Engineering, Chongqing University, Chongqing, China
| | - Laixian Zhou
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Huanhuan Gao
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Wenwen Zhang
- Department of Wound Repair Surgery, Institute of Geriatric Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoyan Sun
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaobing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Binghui Li
- Department of Wound Repair Surgery, Institute of Geriatric Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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8
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García-Bernal D, García-Arranz M, Yáñez RM, Hervás-Salcedo R, Cortés A, Fernández-García M, Hernando-Rodríguez M, Quintana-Bustamante Ó, Bueren JA, García-Olmo D, Moraleda JM, Segovia JC, Zapata AG. The Current Status of Mesenchymal Stromal Cells: Controversies, Unresolved Issues and Some Promising Solutions to Improve Their Therapeutic Efficacy. Front Cell Dev Biol 2021; 9:650664. [PMID: 33796536 PMCID: PMC8007911 DOI: 10.3389/fcell.2021.650664] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/26/2021] [Indexed: 12/16/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) currently constitute the most frequently used cell type in advanced therapies with different purposes, most of which are related with inflammatory processes. Although the therapeutic efficacy of these cells has been clearly demonstrated in different disease animal models and in numerous human phase I/II clinical trials, only very few phase III trials using MSCs have demonstrated the expected potential therapeutic benefit. On the other hand, diverse controversial issues on the biology and clinical applications of MSCs, including their specific phenotype, the requirement of an inflammatory environment to induce immunosuppression, the relevance of the cell dose and their administration schedule, the cell delivery route (intravascular/systemic vs. local cell delivery), and the selected cell product (i.e., use of autologous vs. allogeneic MSCs, freshly cultured vs. frozen and thawed MSCs, MSCs vs. MSC-derived extracellular vesicles, etc.) persist. In the current review article, we have addressed these issues with special emphasis in the new approaches to improve the properties and functional capabilities of MSCs after distinct cell bioengineering strategies.
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Affiliation(s)
- David García-Bernal
- Hematopoietic Transplant and Cellular Therapy Unit, Medicine Department, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, University of Murcia, Murcia, Spain.,Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain
| | - Mariano García-Arranz
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain
| | - Rosa M Yáñez
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Rosario Hervás-Salcedo
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Alfonso Cortés
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Hematopoietic Innovative Therapies Division, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas and Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
| | - María Fernández-García
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Miriam Hernando-Rodríguez
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Óscar Quintana-Bustamante
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Juan A Bueren
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Damián García-Olmo
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain
| | - Jose M Moraleda
- Hematopoietic Transplant and Cellular Therapy Unit, Medicine Department, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca, University of Murcia, Murcia, Spain.,Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain
| | - José C Segovia
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Advanced Therapies Mixed Unit, Instituto de Investigación Sanitaria-Fundación Jiménez Díaz (IIS-FJD, Autonomous University of Madrid (UAM)), Madrid, Spain.,Centre for Cytometry and Fluorescence Microscopy, Complutense University, Madrid, Spain
| | - Agustín G Zapata
- Spanish Network of Cell Therapy (TerCel), Instituto de Salud Carlos III, Madrid, Spain.,Department of Cell Biology, Complutense University, Madrid, Spain
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9
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He X, Zhang J, Luo L, Shi J, Hu D. New Progress of Adipose-derived Stem Cells in the Therapy of Hypertrophic Scars. Curr Stem Cell Res Ther 2020; 15:77-85. [PMID: 31483236 DOI: 10.2174/1574888x14666190904125800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 11/01/2018] [Accepted: 07/10/2019] [Indexed: 12/30/2022]
Abstract
Burns are a global public health issue of great concern. The formation of scars after burns and physical dysfunction of patients remain major challenges in the treatment of scars. Regenerative medicine based on cell therapy has become a hot topic in this century. Adipose-derived stem cells (ADSCs) play an important role in cellular therapy and have become a promising source of regenerative medicine and wound repair transplantation. However, the anti-scarring mechanism of ADSCs is still unclear yet. With the widespread application of ADSCs in medical, we firmly believe that it will bring great benefits to patients with hypertrophic scars.
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Affiliation(s)
- Xiang He
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, Shaanxi, China
| | - Julei Zhang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, Shaanxi, China
| | - Liang Luo
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, Shaanxi, China
| | - Jihong Shi
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, Shaanxi, China
| | - Dahai Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, the Fourth Military Medical University, Xi' an, Shaanxi, China
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10
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Newberry J, Desai S, Adler C, Li N, Karamchedu NP, Fleming BC, Jayasuriya CT. SDF-1 preconditioned HPC scaffolds mobilize cartilage-derived progenitors and stimulate meniscal fibrocartilage repair in human explant tissue culture. Connect Tissue Res 2020; 61:338-348. [PMID: 31744353 PMCID: PMC7190451 DOI: 10.1080/03008207.2019.1689966] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Purpose: The purpose of this study was to characterize the influence of SDF-1 on cell migration/adhesion and temporal gene expression of human cartilage mesenchymal progenitor cells (C-PCs); and to utilize SDF-1 conditioned mesenchymal progenitors to stimulate reintegration of human meniscus fibrocartilage breaks.Materials and Methods: Characterization of SDF-1-induced cell migration was achieved using hydroxypropyl cellulose (HPC) scaffolds pretreated with SDF-1. Fluorescence microscopy and cell counting were used to visualize and quantify the extent of cell migration into scaffolds, respectively. Relative mRNA expression analysis was used to characterize the temporal effects of SDF-1 on C-PCs. Tissue reintegration experiments were conducted using cylindrical human meniscal tissue punches, which were then placed back together with an HPC scaffold embedded with C-PCs. Tensile testing was used to evaluate the extent of tissue reintegration stimulated by human mesenchymal progenitors.Results: C-PCs migrate into scaffolds in response to SDF-1 with the same efficiency as mesenchymal progenitors from human marrow (BM-MSCs). SDF-1 treatment of C-PCs did not significantly alter the expression of early and late stage chondrogenic differentiation genes. Scaffolds containing SDF-1 pre-conditioned C-PCs successfully adhered to fibrocartilage breaks and migrated from the scaffold into the tissue. Tensile testing demonstrated that SDF-1 preconditioned C-PCs stimulate reintegration of fibrocartilage tears.Conclusion: C-PCs migrate in response to SDF-1. Exposure to SDF-1 does not significantly alter the unique mRNA profile of C-PCs that make them desirable for cartilaginous tissue repair applications. SDF-1 pretreated mesenchymal progenitors successfully disperse into injured tissues to help facilitate tissue reintegration.
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11
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Seo Y, Shin TH, Kim HS. Current Strategies to Enhance Adipose Stem Cell Function: An Update. Int J Mol Sci 2019; 20:E3827. [PMID: 31387282 PMCID: PMC6696067 DOI: 10.3390/ijms20153827] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) emerged as a promising therapeutic tool targeting a variety of inflammatory disorders due to their multiple remarkable properties, such as superior immunomodulatory function and tissue-regenerative capacity. Although bone marrow (BM) is a dominant source for adult MSCs, increasing evidence suggests that adipose tissue-derived stem cells (ASCs), which can be easily obtained at a relatively high yield, have potent therapeutic advantages comparable with BM-MSCs. Despite its outstanding benefits in pre-clinical settings, the practical efficacy of ASCs remains controversial since clinical trials with ASC application often resulted in unsatisfactory outcomes. To overcome this challenge, scientists established several strategies to generate highly functional ASCs beyond the naïve cells, including (1) pre-conditioning of ASCs with various stimulants such as inflammatory agents, (2) genetic manipulation of ASCs and (3) modification of culture conditions with three-dimensional (3D) aggregate formation and hypoxic culture. Also, exosomes and other extracellular vesicles secreted from ASCs can be applied directly to recapitulate the beneficial performance of ASCs. This review summarizes the current strategies to improve the therapeutic features of ASCs for successful clinical implementation.
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Affiliation(s)
- Yoojin Seo
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Korea
- Department of Life Science in Dentistry, School of Dentistry, Pusan National University, Yangsan 50612, Korea
| | - Tae-Hoon Shin
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Hyung-Sik Kim
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Korea.
- Department of Life Science in Dentistry, School of Dentistry, Pusan National University, Yangsan 50612, Korea.
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12
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Perspectives for Clinical Translation of Adipose Stromal/Stem Cells. Stem Cells Int 2019; 2019:5858247. [PMID: 31191677 PMCID: PMC6525805 DOI: 10.1155/2019/5858247] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/26/2019] [Accepted: 03/07/2019] [Indexed: 12/15/2022] Open
Abstract
Adipose stromal/stem cells (ASCs) are an ideal cell type for regenerative medicine applications, as they can easily be harvested from adipose tissue in large quantities. ASCs have excellent proliferation, differentiation, and immunoregulatory capacities that have been demonstrated in numerous studies. Great interest and investment have been placed in efforts to exploit the allogeneic use and immunomodulatory and anti-inflammatory effects of ASCs. However, bridging the gap between in vitro and in vivo studies and moving into clinical practice remain a challenge. For the clinical translation of ASCs, several issues must be considered, including how to characterise such a heterogenic cell population and how to ensure their safety and efficacy. This review explores the different phases of in vitro and preclinical ASC characterisation and describes the development of appropriate potency assays. In addition, good manufacturing practice requirements are discussed, and cell-based medicinal products holding marketing authorisation in the European Union are reviewed. Moreover, the current status of clinical trials applying ASCs and the patent landscape in the field of ASC research are presented. Overall, this review highlights the applicability of ASCs for clinical cell therapies and discusses their potential.
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13
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Noukeu LC, Wolf J, Yuan B, Banerjee S, Nguyen KT. Nanoparticles for Detection and Treatment of Peripheral Arterial Disease. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800644. [PMID: 29952061 DOI: 10.1002/smll.201800644] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Indexed: 06/08/2023]
Abstract
Peripheral arterial disease (PAD) is defined as a slow, progressive disorder of the lower extremity arterial vessels characterized by chronic narrowing that often results in occlusion and is associated with loss of functional capacity. Although the PAD occurrence rate is increasing in the elderly population, outcomes with current treatment strategies are suboptimal. Hence, there is an urgent need to develop new technologies that overcome limitations of traditional modalities for PAD detection and therapy. In this Review, the application of nanotechnology as a tool that bridges the gap in PAD diagnosis and therapy is in focus. Several materials including synthetic, natural, biodegradable, and biocompatible materials are used to develop nanoparticles for PAD diagnostic and/or therapeutic applications. Moreover, various recent research approaches are being explored to diagnose PAD through multimodality imaging with different nanoplatforms. Further efforts include targeted delivery of various therapeutic agents using nanostructures as carriers to treat PAD. Last, but not least, despite being a fairly new field, researchers are exploring the use of nanotheranostics for PAD detection and therapy.
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Affiliation(s)
- Linda C Noukeu
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, 76010, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern, Dallas, TX, 75235, USA
| | - Joseph Wolf
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, 76010, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern, Dallas, TX, 75235, USA
| | - Baohong Yuan
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, 76010, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern, Dallas, TX, 75235, USA
| | - Subhash Banerjee
- Division of Cardiology, University of Texas Southwestern Medical Center, Dallas, TX, 75235, USA
| | - Kytai T Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, 76010, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern, Dallas, TX, 75235, USA
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14
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Mamchur A, Leman E, Salah S, Avivi A, Shams I, Manov I. Adipose-Derived Stem Cells of Blind Mole Rat Spalax Exhibit Reduced Homing Ability: Molecular Mechanisms and Potential Role in Cancer Suppression. Stem Cells 2018; 36:1630-1642. [PMID: 30004601 DOI: 10.1002/stem.2884] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 06/17/2018] [Accepted: 06/05/2018] [Indexed: 12/18/2022]
Abstract
Adipose-derived stem cells (ADSCs) are recruited by cancer cells from the adjacent tissue, and they become an integral part of the tumor microenvironment. Here, we report that ADSCs from the long-living, tumor-resistant blind mole rat, Spalax, have a low ability to migrate toward cancer cells compared with cells from its Rattus counterpart. Tracking 5-ethynyl-2'-deoxyuridine (EdU)-labeled ADSCs, introduced to tumor-bearing nude mice, toward the xenografts, we found that rat ADSCs intensively migrated and penetrated the tumors, whereas only a few Spalax ADSCs reached the tumors. Moreover, rat ADSCs, but not Spalax ADSCs, acquired endothelial-like phenotype and incorporated in the intratumoral reticular structure resembling a vasculature. Likewise, endothelial-like cells differentiated from Spalax and rat ADSCs could form capillary-like structures; however, the tube densities were higher in rat-derived cells. Using time-lapse microscopy, in vitro wound-healing, and transwell migration assays, we demonstrated the impaired motility and low polarization ability of Spalax ADSCs. To assess whether the phosphorylated status of myosin light chain (MLC) is involved in the decreased motility of Spalax ADSCs, we inhibited MLC phosphorylation by blocking of Rho-kinase (ROCK). Inhibition of ROCK resulted in the suppression of MLC phosphorylation, acquisition of actin polarization, and activation of motility and migration of Spalax ADSCs. We propose that reduced ADSCs migration to cancer and poor intratumoral angiogenesis play a role in Spalax's cancer resistance. Learning more about the molecular strategy of noncancerous cells in Spalax to resist oncogenic stimuli and maintain a nonpermissive tumor milieu may lead us to developing new cancer-preventive strategy in humans. Stem Cells 2018;36:1630-1642.
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Affiliation(s)
| | - Eva Leman
- Faculty of Natural Sciences, Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel
| | - Safaa Salah
- Faculty of Natural Sciences, Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel
| | - Aaron Avivi
- Institute of Evolution, University of Haifa, Haifa, Israel
| | - Imad Shams
- Institute of Evolution, University of Haifa, Haifa, Israel.,Faculty of Natural Sciences, Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel
| | - Irena Manov
- Institute of Evolution, University of Haifa, Haifa, Israel
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15
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Liu M, Lei H, Dong P, Fu X, Yang Z, Yang Y, Ma J, Liu X, Cao Y, Xiao R. Adipose-Derived Mesenchymal Stem Cells from the Elderly Exhibit Decreased Migration and Differentiation Abilities with Senescent Properties. Cell Transplant 2018; 26:1505-1519. [PMID: 29113467 PMCID: PMC5680952 DOI: 10.1177/0963689717721221] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Adipose-derived stem cells (ASCs) can be applied extensively in the clinic because they can be easily isolated and cause less donor-site morbidity; however, their application can be complicated by patient-specific factors, such as age and harvest site. In this study, we systematically evaluated the effects of age on the quantity and quality of human adipose-derived mesenchymal stem cells (hASCs) isolated from excised chest subcutaneous adipose tissue and investigated the underlying molecular mechanism. hASCs were isolated from donors of 3 different age-groups (i.e., child, young adult, and elderly). hASCs are available from individuals across all age-groups and maintain mesenchymal stem cell (MSC) characteristics. However, the increased age of the donors was found to have a significant negative effect on hASCs frequency base on colony-forming unit fibroblasts assay. Moreover, there is a decline in both stromal vascular fraction (SVF) cell yield and the proliferation rate of hASCs with increasing age, although this relationship is not significant. Aging increases cellular senescence, which is manifested as an increase in SA-β-gal-positive cells, increased mitochondrial-specific reactive oxygen species (ROS) production, and the expression of p21 in the elderly. Further, advancing age was found to have a significant negative effect on the adipogenic and osteogenic differentiation potentials of hASCs, particularly at the early and mid-stages of induction, suggesting a slower response to the inducing factors of hASCs from elderly donors. Finally, impaired migration ability was also observed in the elderly group and was determined to be associated with decreased expression of chemokine receptors, such as CXCR4 and CXCR7. Taken together, these results suggest that, while hASCs from different age populations are phenotypically similar, they present major differences at the functional level. When considering potential applications of hASCs in cell-based therapeutic strategies, the negative influence of age on hASC differentiation potential and migration abilities should be taken seriously.
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Affiliation(s)
- Meichen Liu
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Hua Lei
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Ping Dong
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Xin Fu
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Zhigang Yang
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Ying Yang
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Jiguang Ma
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Xia Liu
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Yilin Cao
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
| | - Ran Xiao
- 1 Research Center of Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
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16
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Autologous Adipose-Derived Stem Cells Reduce Burn-Induced Neuropathic Pain in a Rat Model. Int J Mol Sci 2017; 19:ijms19010034. [PMID: 29271925 PMCID: PMC5795984 DOI: 10.3390/ijms19010034] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 12/19/2017] [Accepted: 12/21/2017] [Indexed: 02/07/2023] Open
Abstract
Background: Burn scar pain is considered as neuropathic pain. The anti-inflammation and anti-neuroinflammation effects of adipose-derived stem cells (ASCs) were observed in several studies. We designed a study using a murine model involving the transplantation of autologous ASCs in rats subjected to burn injuries. The aim was to detect the anti-neuroinflammation effect of ASC transplantation and clarify the relationships between ASCs, scar pain, apoptosis and autophagy. Methods: We randomized 24 rats into 4 groups as followings: Group A and B, received saline injections and autologous transplantation of ASCs 4 weeks after sham burn, respectively; Group C and D, received saline injections and autologous transplantation 4 weeks after burn injuries. A designed behavior test was applied for pain evaluation. Skin tissues and dorsal horn of lumbar spinal cords were removed for biochemical analysis. Results: ASC transplantation significantly restored the mechanical threshold reduced by burn injury. It also attenuated local inflammation and central neuroinflammation and ameliorated apoptosis and autophagy in the spinal cord after the burn injury. Conclusion: In a rat model, autologous ASC subcutaneous transplantation in post-burn scars elicited anti-neuroinflammation effects locally and in the spinal cord that might be related to the relief of post-burn neuropathic pain and attenuated cell apoptosis. Thus, ASC transplantation post-burn scars shows the potential promising clinical benefits.
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17
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Jeong YM, Cheng XW, Lee S, Lee KH, Cho H, Kang JH, Kim W. Preconditioning with far-infrared irradiation enhances proliferation, cell survival, and migration of rat bone marrow-derived stem cells via CXCR4-ERK pathways. Sci Rep 2017; 7:13718. [PMID: 29057951 PMCID: PMC5651919 DOI: 10.1038/s41598-017-14219-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 10/06/2017] [Indexed: 01/06/2023] Open
Abstract
Far-infrared radiation (FIR) has been shown to exert positive effects on the cardiovascular system. However, the biological effects of FIR on bone marrow-derived stem cells (BMSCs) are not understood. In the present study, BMSCs were isolated from rat femur bone marrow and cultured in vitro. To investigate the effects of an FIR generator with an energy flux of 0.13 mW/cm2 on rat BMSCs, survival of BMSCs was measured by crystal violet staining, and cell proliferation was additionally measured using Ez-Cytox cell viability, EdU, and Brd U assays. FIR preconditioning was found to significantly increase BMSC proliferation and survival against H2O2. The scratch and transwell migration assays showed that FIR preconditioning resulted in an increase in BMSC migration. qRT-PCR and Western blot analyses demonstrated that FIR upregulated Nanog, Sox2, c-Kit, Nkx2.5, and CXCR4 at both the mRNA and protein levels. Consistent with these observations, PD98059 (an ERK inhibitor) and AMD3100 (a CXCR4 inhibitor) prevented the activation of CXCR4/ERK and blocked the cell proliferation and migration induced by FIR. Overall, these findings provide the first evidence that FIR confers a real and significant benefit on the preconditioning of BMSCs, and might lead to novel strategies for improving BMSC therapy for cardiac ischemia.
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Affiliation(s)
- Yun-Mi Jeong
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Xian Wu Cheng
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea.,The Department of Cardiology, Yanbian University Hospital, Yanji, China
| | - Sora Lee
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Kyung Hye Lee
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Haneul Cho
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Jung Hee Kang
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea
| | - Weon Kim
- Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul, Republic of Korea.
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