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Zhou JX, Jie-Zhou, Jin WR, Li JY, Zhang XC, Zhao CY, Lin YY, Wang XY, Yan LF, Kai-Yan, Liu QW. Human amniotic mesenchymal stem cell-islet organoids enhance the efficiency of islet engraftment in a mouse diabetes model. Life Sci 2024; 351:122812. [PMID: 38862063 DOI: 10.1016/j.lfs.2024.122812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 05/10/2024] [Accepted: 06/04/2024] [Indexed: 06/13/2024]
Abstract
AIMS Despite islet transplantation has proved a great potential to become the standard therapy for type 1 diabetes mellitus (T1DM), this approach remains limited by ischemia, hypoxia, and poor revascularization in early post-transplant period as well as inflammation and life-long host immune rejection. Here, we investigate the potential and mechanism of human amniotic mesenchymal stem cells (hAMSCs)-islet organoid to improve the efficiency of islet engraftment in immunocompetent T1DM mice. MAIN METHODS We generated the hAMSC-islet organoid structure through culturing the mixture of hAMSCs and islets on 3-dimensional-agarose microwells. Flow cytometry, whole-body fluorescent imaging, immunofluorescence, Calcein-AM/PI staining, ELISA, and qPCR were used to assess the potential and mechanism of shielding hAMSCs to improve the efficiency of islet transplantation. KEY FINDINGS Transplant of hAMSC-islet organoids results in remarkably better glycemic control, an enhanced glucose tolerance, and a higher β cell mass in vivo compared with control islets. Our results show that hAMSCs shielding provides an immune privileged microenvironment for islets and promotes graft revascularization in vivo. In addition, hAMSC-islet organoids show higher viability and reduced dysfunction after exposure to hypoxia and inflammatory cytokines in vitro. Finally, our results show that shielding with hAMSCs leads to the activation of PKA-CREB-IRS2-PI3K and PKA-PDX1 signaling pathways, up-regulation of SIL1 mRNA levels, and down-regulation of MT1 mRNA levels in β cells, which ultimately promotes the synthesis, folding and secretion of insulin, respectively. SIGNIFICANCE hAMSC-islet organoids can evidently increase the efficiency of islet engraftment and might develop into a promising alternative for the clinical treatment of T1DM.
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Affiliation(s)
- Jia-Xin Zhou
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; Institute of Organoid Technology, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China
| | - Jie-Zhou
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China
| | - Wei-Ran Jin
- Huankui Academy, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China
| | - Jing-Yuan Li
- Normal College, East China University of Technology, Nanchang 330013, PR China
| | - Xiang-Cheng Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, PR China
| | - Chu-Yu Zhao
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China
| | - Ya-Yi Lin
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; Institute of Organoid Technology, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China
| | - Xi-Yan Wang
- Institute of Organoid Technology, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; School of Pharmacy, Jiangxi Medical College, Nanchang University, Nanchang 330006, PR China
| | - Ling-Fei Yan
- Department of Pathology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, PR China
| | - Kai-Yan
- Department of Pediatrics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, PR China
| | - Quan-Wen Liu
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; Institute of Organoid Technology, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China; The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330031, PR China.
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Mei L, Yuwei Y, Weiping L, Zhiran X, Bingzheng F, Jibing C, Hongjun G. Strategy for Clinical Setting of Co-transplantation of Mesenchymal Stem Cells and Pancreatic Islets. Cell Transplant 2024; 33:9636897241259433. [PMID: 38877672 PMCID: PMC11179456 DOI: 10.1177/09636897241259433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/29/2024] [Accepted: 05/06/2024] [Indexed: 06/16/2024] Open
Abstract
Islet transplantation may be the most efficient therapeutic technique for patients with type 1 diabetes mellitus (T1DM). However, the clinical application of this method is faced with numerous limitations, including isolated islet apoptosis, recipient rejection, and graft vascular reconstruction. Mesenchymal stem cells (MSCs) possess anti-apoptotic, immunomodulatory, and angiogenic properties. Here, we review recent studies on co-culture and co-transplantation of islets with MSCs. We have summarized the methods of preparation of co-transplantation, especially the merits of co-culture, and the effects of co-transplantation. Accumulating experimental evidence shows that co-culture of islets with MSCs promotes islet survival, enhances islet secretory function, and prevascularizes islets through various pretransplant preparations. This review is expected to provide a reference for exploring the use of MSCs for clinical islet co-transplantation.
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Affiliation(s)
- Liang Mei
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
| | - Yang Yuwei
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - Liang Weiping
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - Xu Zhiran
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - Feng Bingzheng
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - Chen Jibing
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Clinical Research Center for Kidney Diseases of Integrated Traditional Chinese and Western Medicine, Nanning, China
| | - Gao Hongjun
- Ruikang Hospital affiliated to Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Clinical Research Center for Kidney Diseases of Integrated Traditional Chinese and Western Medicine, Nanning, China
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Huang X, Liu Y, Li Z, Lerman LO. Mesenchymal Stem/Stromal Cells Therapy for Metabolic Syndrome: Potential Clinical Application? Stem Cells 2023; 41:893-906. [PMID: 37407022 PMCID: PMC10560401 DOI: 10.1093/stmcls/sxad052] [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: 01/31/2023] [Accepted: 06/21/2023] [Indexed: 07/07/2023]
Abstract
Mesenchymal stem/stromal cells (MSCs), a class of cells with proliferative, immunomodulatory, and reparative functions, have shown therapeutic potential in a variety of systemic diseases, including metabolic syndrome (MetS). The cluster of morbidities that constitute MetS might be particularly amenable for the application of MSCs, which employ an arsenal of reparative actions to target multiple pathogenic pathways simultaneously. Preclinical studies have shown that MSCs can reverse pathological changes in MetS mainly by inhibiting inflammation, improving insulin resistance, regulating glycolipid metabolism, and protecting organ function. However, several challenges remain to overcome before MSCs can be applied for treating MetS. For example, the merits of autologous versus allogeneic MSCs sources remain unclear, particularly with autologous MSCs obtained from the noxious MetS milieu. The distinct characteristics and relative efficacy of MSCs harvested from different tissue sources also require clarification. Moreover, to improve the therapeutic efficacy of MSCs, investigators have explored several approaches that improved therapeutic efficacy but may involve potential safety concerns. This review summarized the potentially useful MSCs strategy for treating MetS, as well as some hurdles that remain to be overcome. In particular, larger-scale studies are needed to determine the therapeutic efficacy and safety of MSCs for clinical application.
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Affiliation(s)
- Xiuyi Huang
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People’s Republic of China
| | - Yunchong Liu
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People’s Republic of China
| | - Zilun Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People’s Republic of China
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
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BMSCs overexpressed ISL1 reduces the apoptosis of islet cells through ANLN carrying exosome, INHBA, and caffeine. Cell Mol Life Sci 2022; 79:538. [DOI: 10.1007/s00018-022-04571-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/28/2022] [Accepted: 09/22/2022] [Indexed: 11/24/2022]
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Zhang J, Ma X, Cao L, He X, Li S, Yang M, Yang C, Rong P, Yi S, Ghimire K, Kong X, Wang W. Enhancing and stabilization of cord blood regulatory T-cell suppressive function by human mesenchymal stem cell (MSC)-derived exosomes. Clin Exp Immunol 2022; 208:255-267. [PMID: 35439818 PMCID: PMC9226152 DOI: 10.1093/cei/uxac035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/28/2022] [Accepted: 04/15/2022] [Indexed: 12/26/2022] Open
Abstract
FOXP3+ regulatory T cells (Tregs) are central to maintaining peripheral tolerance and immune homeostasis. They have the potential to be developed as a cellular therapy to treat various clinical ailments such as autoimmune disorders, inflammatory diseases and to improve transplantation outcomes. However, a major question remains whether Tregs can persist and exert their function effectively in a disease state, where a broad spectrum of inflammatory mediators could inactivate Tregs. In this study, we investigated the potential of mesenchymal stem cell (MSC)-derived exosomes to promote and sustain Tregs function. MSC-conditioned media (MSC-CM) cultured Tregs were more suppressive in both polyclonal and allogeneic responses and were resistant to inflammatory stimulation in vitro compared with the controls. A similar enhancement of Treg function was also observed by culturing Tregs with MSC-derived exosomes alone. The enhanced suppressive activity and stability of Treg cultured in MSC-CM was reduced when exosomes were depleted from MSC-CM. We identified that MSC-derived exosomes could upregulate the expression of LC3(II/I), phosphorylate Jak3 and Stat5 to promote Treg survival, and regulate FOXP3 expression in Tregs. Overall, our study demonstrates that MSC-derived exosomes are capable of enhancing Hucb-Tregs function and stability by activating autophagy and Stat5 signalling pathways. Our findings provide a strong rationale for utilizing MSC-derived exosomes as an effective strategy to enhance Treg function, and improve the overall Tregs-based cell therapy landscape.
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Affiliation(s)
- Juan Zhang
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Xiaoqian Ma
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Lu Cao
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Xing He
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Sang Li
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Min Yang
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Cejun Yang
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Pengfei Rong
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
| | - Shounan Yi
- Centre for Transplant and Renal Research (CTRR), Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW, Australia
| | - Kedar Ghimire
- Centre for Transplant and Renal Research (CTRR), Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW, Australia
| | - Xiangfeng Kong
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, People’s Republic of China
| | - Wei Wang
- Institute for Cell Transplantation and Gene Therapy, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
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Anti-Oxidative Therapy in Islet Cell Transplantation. Antioxidants (Basel) 2022; 11:antiox11061038. [PMID: 35739935 PMCID: PMC9219662 DOI: 10.3390/antiox11061038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 01/27/2023] Open
Abstract
Islet cell transplantation has become a favorable therapeutic approach in the treatment of Type 1 Diabetes due to the lower surgical risks and potential complications compared to conventional pancreas transplantation. Despite significant improvements in islet cell transplantation outcomes, several limitations hamper long-term graft survival due to tremendous damage and loss of islet cells during the islet cell transplantation process. Oxidative stress has been identified as an omnipresent stressor that negatively affects both the viability and function of isolated islets. Furthermore, it has been established that at baseline, pancreatic β cells exhibit reduced antioxidative capacity, rendering them even more susceptible to oxidative stress during metabolic stress. Thus, identifying antioxidants capable of conferring protection against oxidative stressors present throughout the islet transplantation process is a valuable approach to improving the overall outcomes of islet cell transplantation. In this review we discuss the potential application of antioxidative therapy during each step of islet cell transplantation.
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王 东, 郭 益, 黄 䶮, 朱 必, 潘 浩, 王 志. [Islet biomimetic microenvironment constructed by chitosan oligosaccharide protects islets from hypoxia-induced damage by reducing intracellular reactive oxygen species]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2022; 36:633-642. [PMID: 35570640 PMCID: PMC9108655 DOI: 10.7507/1002-1892.202201063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/23/2022] [Indexed: 01/25/2023]
Abstract
Objective Gelatin methacryloyl (GelMA)/hyaluronic acid methacryloyl (HAMA)/chitosan oligosaccharide (COS) hydrogel was used to construct islet biomimetic microenvironment, and to explore the improvement effect of GelMA/HAMA/COS on islet activity and function under hypoxia. Methods Islets cultured on the tissue culture plate was set as the control group, on the GelMA/HAMA/COS hydrogel with COS concentrations of 0, 1, 5, 10, and 20 mg/mL respectively as the experimental groups. Scanning electron microscopy was used to observe the microscopic morphology, rheometer test to evaluate the gel-forming properties, contact angle to detect the hydrophilicity, and the biocompatibility was evaluated by the scaffold extract to L929 cells [using cell counting kit 8 (CCK-8) assay]. The islets were extracted from the pancreas of 8-week-old Sprague Dawley rats and the islet purity and function were identified by dithizone staining and glucose-stimulated insulin secretion (GSIS) assays, respectively. Islets were cultured under hypoxia (1%O 2) for 24, 48, and 72 hours, respectively. Calcein-acetyl methyl/propidium iodide (Calcein-AM/PI) staining was used to evaluate the effect of hypoxia on islet viability. Islets were cultured in GelMA/HAMA/COS hydrogels with different COS concentrations for 48 hours, and the reactive oxygen species kits were used to evaluate the antagonism of COS against islet reactive oxygen species production under normoxia (20%O 2) and hypoxia (1%O 2) conditions. Calcein-AM/PI staining was used to evaluate the effect of COS on islet activity under hypoxia (1%O 2) conditions. Islets were cultured in tissue culture plates (group A), GelMA/HAMA hydrogels (group B), and GelMA/HAMA/COS hydrogels (group C) for 48 hours, respectively. Immunofluorescence and GSIS assays were used to evaluate the effect of COS on islet activity under hypoxia (1%O 2) conditions, respectively. Results GelMA/HAMA/COS hydrogel had a porous structure, the rheometer test showed that it had good gel-forming properties, and the contact angle test showed good hydrophilicity. CCK-8 assay showed that the hydrogel in each group had good biocompatibility. The isolated rat islets were almost round, with high islet purity and insulin secretion ability. Islets were treated with hypoxia for 24, 48, and 72 hours, Calcein-AM/PI staining showed that the number of dead cells gradually increased with time, which were significantly higher than those in the non-hypoxia-treated group ( P<0.001). Reactive oxygen staining showed that GelMA/HAMA/COS hydrogels with different COS concentrations could antagonize the production of reactive oxygen under normal oxygen and hypoxia conditions, and this ability was positively correlated with COS concentration. Calcein-AM/PI staining indicated that GelMA/HAMA/COS hydrogels with different COS concentrations could improve islet viability under hypoxia conditions, and cell viability was positively correlated with COS concentration. Immunofluorescence staining showed that GelMA/HAMA/COS hydrogel could promote the expression of islet function-related genes under hypoxia conditions. GSIS assay results showed that the insulin secretion of islets in hypoxia condition of group C was significantly higher than that of groups B and C ( P<0.05). Conclusion GelMA/HAMA/COS hydrogel has good biocompatibility, promotes islet survival and function by inhibiting reactive oxygen species, and is an ideal carrier for building islet biomimetic microenvironment for islet culture and transplantation.
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Affiliation(s)
- 东芝 王
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
- 南通大学附属医院临床医学研究中心(江苏南通 226001)Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
| | - 益冰 郭
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
| | - 䶮 黄
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
| | - 必文 朱
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
- 南通大学附属医院临床医学研究中心(江苏南通 226001)Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
| | - 浩鹏 潘
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
| | - 志伟 王
- 南通大学附属医院普外科(江苏南通 226001)Department of General Surgery, Affiliated Hospital of Nantong University, Nantong Jiangsu, 226001, P. R. China
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Sharma A, Gupta S, Archana S, Verma RS. Emerging Trends in Mesenchymal Stem Cells Applications for Cardiac Regenerative Therapy: Current Status and Advances. Stem Cell Rev Rep 2022; 18:1546-1602. [PMID: 35122226 DOI: 10.1007/s12015-021-10314-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2021] [Indexed: 12/29/2022]
Abstract
Irreversible myocardium infarction is one of the leading causes of cardiovascular disease (CVD) related death and its quantum is expected to grow in coming years. Pharmacological intervention has been at the forefront to ameliorate injury-related morbidity and mortality. However, its outcomes are highly skewed. As an alternative, stem cell-based tissue engineering/regenerative medicine has been explored quite extensively to regenerate the damaged myocardium. The therapeutic modality that has been most widely studied both preclinically and clinically is based on adult multipotent mesenchymal stem cells (MSC) delivered to the injured heart. However, there is debate over the mechanistic therapeutic role of MSC in generating functional beating cardiomyocytes. This review intends to emphasize the role and use of MSC in cardiac regenerative therapy (CRT). We have elucidated in detail, the various aspects related to the history and progress of MSC use in cardiac tissue engineering and its multiple strategies to drive cardiomyogenesis. We have further discussed with a focus on the various therapeutic mechanism uncovered in recent times that has a significant role in ameliorating heart-related problems. We reviewed recent and advanced technologies using MSC to develop/create tissue construct for use in cardiac regenerative therapy. Finally, we have provided the latest update on the usage of MSC in clinical trials and discussed the outcome of such studies in realizing the full potential of MSC use in clinical management of cardiac injury as a cellular therapy module.
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Affiliation(s)
- Akriti Sharma
- Stem Cell and Molecular Biology Laboratory, Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology-Madras, Chennai, 600036, Tamil Nadu, India
| | - Santosh Gupta
- Stem Cell and Molecular Biology Laboratory, Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology-Madras, Chennai, 600036, Tamil Nadu, India
| | - S Archana
- Stem Cell and Molecular Biology Laboratory, Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology-Madras, Chennai, 600036, Tamil Nadu, India
| | - Rama Shanker Verma
- Stem Cell and Molecular Biology Laboratory, Bhupat and Jyoti Mehta School of Biosciences, Department of Biotechnology, Indian Institute of Technology-Madras, Chennai, 600036, Tamil Nadu, India.
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Wei L, Zhang L, Yang L, Wang X, Zhao C, Zhao D. Protective Effect of Mesenchymal Stem Cells on Isolated Islets Survival and Against Hypoxia Associated With the HIF-1α/PFKFB3 Pathway. Cell Transplant 2022; 31:9636897211073127. [PMID: 35045747 PMCID: PMC8796103 DOI: 10.1177/09636897211073127] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Islets have a high demand for oxygen and most of them will die of hypoxia injury before and after transplantation. Hypoxic damage is one of the key factors associated with islet graft dysfunction. Mesenchymal stem cells (MSCs) have multiple functions and can enhance the therapeutic effect of islet transplantation. In this study, islets were cultured together with or without MSCs derived from umbilical cord (hUC-MSCs) under normal and hypoxic conditions. The effect of hUC-MSCs on the survival and function of isolated islets was detected by immunofluorescence and ELISA. Hypoxia-inducible factor 1 alpha (HIF-1α) and PFKFB3 mRNA and protein expression in different conditions were tested by real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) and Western Blot. The islets co-cultured with hUC-MSCs have improved viability and function compared with islets cultured alone. The mRNA transcription of HIF-1α in the co-cultured group increased. The protein expression of PFKFB3 increased with the increase of HIF-1α. This study found that hUC-MSCs could protect islets from dysfunction caused by hypoxia, and HIF-1α/PFKFB3 played an important role in hypoxic resistance, suggesting a potential strategy to improve the outcome of islet transplantation.
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Affiliation(s)
- Lingling Wei
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Diabetes Research and Care, Beijing, China
| | - Lijie Zhang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Diabetes Research and Care, Beijing, China
| | - Longyan Yang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Diabetes Research and Care, Beijing, China
| | - Xin Wang
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Diabetes Research and Care, Beijing, China
| | - Chunhua Zhao
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), Beijing, China
| | - Dong Zhao
- Center for Endocrine Metabolism and Immune Diseases, Beijing Luhe Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Diabetes Research and Care, Beijing, China
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Zhou X, Zhao S, Li W, Ruan Y, Yuan R, Ning J, Jiang K, Xie J, Yao X, Li H, Li C, Rao T, Yu W, Cheng F. Tubular cell-derived exosomal miR-150-5p contributes to renal fibrosis following unilateral ischemia-reperfusion injury by activating fibroblast in vitro and in vivo. Int J Biol Sci 2021; 17:4021-4033. [PMID: 34671216 PMCID: PMC8495396 DOI: 10.7150/ijbs.62478] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Unilateral ischemia reperfusion injury (UIRI) with longer ischemia time is associated with an increased risk of acute renal injury and chronic kidney disease. Exosomes can transport lipid, protein, mRNA, and miRNA to corresponding target cells and mediate intercellular information exchange. In this study, we aimed to investigate whether exosome-derived miRNA mediates epithelial-mesenchymal cell communication relevant to renal fibrosis after UIRI. The secretion of exosomes increased remarkably in the kidney after UIRI and in rat renal tubular epithelium cells (NRK-52E) after hypoxia treatment. The inhibition of exosome secretion by Rab27a knockout or GW4869 treatment ameliorates renal fibrosis following UIRI in vivo. Purified exosomes from NRK-52E cells after hypoxia treatment could activate rat kidney fibroblasts (NRK-49F). The inhibition of exosome secretion in hypoxic NRK-52E cells through Rab27a knockdown or GW4869 treatment abolished NRK-49F cell activation. Interestingly, exosomal miRNA array analysis revealed that miR-150-5p expression was increased after hypoxia compared with the control group. The inhibition of exosomal miR-150-5p abolished the ability of hypoxic NRK-52E cells to promote NRK-49F cell activation in vitro, injections of miR-150-5p enriched exosomes from hypoxic NRK-52E cells aggravated renal fibrosis following UIRI, and renal fibrosis after UIRI was alleviated by miR-150-5p-deficient exosome in vivo. Furthermore, tubular cell-derived exosomal miR-150-5p could negatively regulate the expression of suppressor of cytokine signaling 1 to activate fibroblast. Thus, our results suggest that the blockade of exosomal miR-150-5p mediated tubular epithelial cell-fibroblast communication may provide a novel therapeutic target to prevents UIRI progression to renal fibrosis.
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Affiliation(s)
- Xiangjun Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Sheng Zhao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Wei Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Run Yuan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Kun Jiang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jinna Xie
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xiaobin Yao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Haoyong Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Chenglong Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
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11
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Mahala S, Rai S, Singh A, Mehrotra A, Pandey HO, Kumar A. Perspectives of bovine and human milk exosomics as health biomarkers for advancing systemic therapeutic potential. FOOD BIOTECHNOL 2021. [DOI: 10.1080/08905436.2021.1979033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Sudarshan Mahala
- Animal Genetics Division, Indian Council of Agricultural Research (ICAR)-indian Veterinary Research Institute, Bareilly, India
| | - Sweta Rai
- Department of Food Science and Technology, College of Agriculture, Gbpuat, Pantnagar US Nagar, Uttarakhand, India
| | - Akansha Singh
- Animal Genetics Division, Indian Council of Agricultural Research (ICAR)-indian Veterinary Research Institute, Bareilly, India
| | - Arnav Mehrotra
- Animal Genetics Division, Indian Council of Agricultural Research (ICAR)-indian Veterinary Research Institute, Bareilly, India
| | - Hari Om Pandey
- Scientist, Livestock Production and Management, Indian Council of Agricultural Research (ICAR)-indian Veterinary Research Institute, Bareilly, India
| | - Amit Kumar
- Animal Genetics Division, Indian Council of Agricultural Research (ICAR)-indian Veterinary Research Institute, Bareilly, India
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12
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Hawthorne WJ, Fuller E, Thomas A, Rao JS, Burlak C. Updateon xenotransplantation for May/June 2021. Xenotransplantation 2021; 28:e12710. [PMID: 34617623 DOI: 10.1111/xen.12710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 09/02/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Wayne J Hawthorne
- Centre for Transplant & Renal Research, Westmead Institute for Medical Research, Westmead, New South Wales, Australia.,Department of Surgery, Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead, New South Wales, Australia
| | - Erin Fuller
- Centre for Transplant & Renal Research, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
| | - Adwin Thomas
- Centre for Transplant & Renal Research, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
| | - Joseph Sushil Rao
- Schulze Diabetes Institute, Department of Surgery, University of Minnesota, Minneapolis, Minnesota, USA.,Solid Organ Transplantation, Department of Surgery, University of Minnesota, Minneapolis, Minnesota, USA
| | - Christopher Burlak
- Schulze Diabetes Institute, Department of Surgery, University of Minnesota, Minneapolis, Minnesota, USA
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13
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Chen C, Rong P, Yang M, Ma X, Feng Z, Wang W. The Role of Interleukin-1β in Destruction of Transplanted Islets. Cell Transplant 2021; 29:963689720934413. [PMID: 32543895 PMCID: PMC7563886 DOI: 10.1177/0963689720934413] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Islet transplantation is a promising β-cell replacement therapy for type 1 diabetes, which can reduce glucose lability and hypoglycemic episodes compared with standard insulin therapy. Despite the tremendous progress made in this field, challenges remain in terms of long-term successful transplant outcomes. The insulin independence rate remains low after islet transplantation from one donor pancreas. It has been reported that the islet-related inflammatory response is the main cause of early islet damage and graft loss after transplantation. The production of interleukin-1β (IL-1β) has considered to be one of the primary harmful inflammatory events during pancreatic procurement, islet isolation, and islet transplantation. Evidence suggests that the innate immune response is upregulated through the activity of Toll-like receptors and The NACHT Domain-Leucine-Rich Repeat and PYD-containing Protein 3 inflammasome, which are the starting points for a series of signaling events that drive excessive IL-1β production in islet transplantation. In this review, we show recent contributions to the advancement of knowledge of IL-1β in islet transplantation and discuss several strategies targeting IL-1β for improving islet engraftment.
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Affiliation(s)
- Cheng Chen
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Pengfei Rong
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Min Yang
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xiaoqian Ma
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zhichao Feng
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Wei Wang
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.,Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
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14
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Wang Y, Wang JW, Li Y, Tian XH, Feng XS, Zhang SC, Liu PJ, Xue WJ, Zheng J, Ding XM. Bone marrow-derived mesenchymal stem cells improve rat islet graft revascularization by upregulating ISL1. STEM CELLS (DAYTON, OHIO) 2021; 39:1033-1048. [PMID: 33754392 DOI: 10.1002/stem.3378] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 03/01/2021] [Indexed: 11/12/2022]
Abstract
Revascularization of the islet transplant is a crucial step that defines the success rate of patient recovery. Bone marrow-derived mesenchymal stem cells (BMSCs) have been reported to promote revascularization; however, the underlying cellular mechanism remains unclear. Moreover, our liquid chromatography-tandem mass spectrometry results showed that BMSCs could promote the expression of insulin gene enhancer binding protein-1 (ISL1) in islets. ISL1 is involved in islets proliferation and plays a potential regulatory role in the revascularization of islets. This study identifies the ISL1 protein as a potential modulator in BMSCs-mediated revascularization of islet grafts. We demonstrated that the survival rate and insulin secretion of islets were increased in the presence of BMSCs, indicating that BMSCs promote islet revascularization in a coculture system and rat diabetes model. Interestingly, we also observed that the presence of BMSCs led to an increase in ISL1 and vascular endothelial growth factor A (VEGFA) expression in both islets and the INS-1 rat insulinoma cell line. In silico protein structure modeling indicated that ISL1 is a transcription factor that has four binding sites with VEGFA mRNA. Further results showed that overexpression of ISL1 increased both the abundance of VEGFA transcripts and protein accumulation, while inhibition of ISL1 decreased the abundance of VEGFA. Using a ChIP-qPCR assay, we demonstrated that direct molecular interactions between ISL1 and VEGFA occur in INS-1 cells. Together, these findings reveal that BMSCs promote the expression of ISL1 in islets and lead to an increase in VEGFA in islet grafts. Hence, ISL1 is a potential target to induce early revascularization in islet transplantation.
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Affiliation(s)
- Ying Wang
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Jing-Wen Wang
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Yang Li
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Xiao-Hui Tian
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Xin-Shun Feng
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Shu-Cong Zhang
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Pei-Jun Liu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Wu-Jun Xue
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Jin Zheng
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Xiao-Ming Ding
- Department of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
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15
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Qu Z, Lou Q, Cooper DKC, Pu Z, Lu Y, Chen J, Ni Y, Zhan Y, Chen J, Li Z, Zhan N, Zeng Y, Tu Z, Cao H, Dai Y, Cai Z, Mou L. Potential roles of mesenchymal stromal cells in islet allo- and xenotransplantation for type 1 diabetes mellitus. Xenotransplantation 2021; 28:e12678. [PMID: 33569837 DOI: 10.1111/xen.12678] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 01/05/2021] [Accepted: 01/23/2021] [Indexed: 12/14/2022]
Abstract
Islet transplantation is poised to play an important role in the treatment of type 1 diabetes mellitus (T1DM). However, there are several challenges limiting its widespread use, including the instant blood-mediated inflammatory reaction, hypoxic/ischemic injury, and the immune response. Mesenchymal stem/stromal cells (MSCs) are known to exert regenerative, immunoregulatory, angiogenic, and metabolic properties. Here, we review recent reports on the application of MSCs in islet allo- and xenotransplantation. We also document the clinical trials that have been undertaken or are currently underway, relating to the co-transplantation of islets and MSCs. Increasing evidence indicates that co-transplantation of MSCs prolongs islet graft survival by locally secreted protective factors that reduce immune reactivity and promote vascularization, cell survival, and regeneration. MSC therapy may be a promising option for islet transplantation in patients with T1DM.
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Affiliation(s)
- Zepeng Qu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Qi Lou
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Shenzhen Lansi Institute of Artificial Intelligence in Medicine, Shenzhen, China
| | - David K C Cooper
- Xenotransplantation Program, Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Zuhui Pu
- Department of Radiology, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Ying Lu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jiao Chen
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yong Ni
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yongqiang Zhan
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jun Chen
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Zhenjie Li
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Naiyang Zhan
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yi Zeng
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Ziwei Tu
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Huayi Cao
- Department of Hepatopancreatobiliary Surgery, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yifan Dai
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, China
| | - Zhiming Cai
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Lisha Mou
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen University Health Science Center, Shenzhen University School of Medicine, First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
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16
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Hubber EL, Rackham CL, Jones PM. Protecting islet functional viability using mesenchymal stromal cells. Stem Cells Transl Med 2021; 10:674-680. [PMID: 33544449 PMCID: PMC8046085 DOI: 10.1002/sctm.20-0466] [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: 10/20/2020] [Revised: 11/20/2020] [Accepted: 12/06/2020] [Indexed: 12/11/2022] Open
Abstract
Islet transplantation is an emerging treatment for type 1 diabetes which offers the prospect of physiological control of blood glucose and reductions in acute hypoglycaemic episodes. However, current protocols are limited by a rapid decline in islet functional viability during the isolation process, culture period, and post-transplantation. Much of this can be attributed to the deleterious effects of hypoxic and cytokine stressors on β cells. One experimental strategy to improve the functional viability of islets is coculture or cotransplantation with mesenchymal stromal cells (MSCs). Numerous studies have shown that MSCs have the capacity to improve islet survival and insulin secretory function, and the mechanisms of these effects are becoming increasingly well understood. In this review, we will focus on recent studies demonstrating the capacity for MSCs to protect islets from hypoxia- and cytokine-induced stress. Islets exposed to acute hypoxia (1%-2% O2 ) or to inflammatory cytokines (including IFN-γ, TNF-α, and IL-B) in vitro undergo apoptosis and a rapid decline in glucose-stimulated insulin secretion. Coculture of islets with MSCs, or with MSC-conditioned medium, protects from these deleterious effects, primarily with secreted factors. These protective effects are distinct from the immunomodulatory and structural support MSCs provide when cotransplanted with islets. Recent studies suggest that MSCs may support secretory function by the physical transfer of functional mitochondria, particularly to metabolically compromised β cells. Understanding how MSCs respond to stressed islets will facilitate the development of MSC secretome based, cell-free approaches to supporting islet graft function during transplantation by protecting or repairing β cells.
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Affiliation(s)
- Ella L Hubber
- Department of Diabetes, School of Life Course Sciences, King's College London, London, UK
| | - Chloe L Rackham
- Exeter Centre for Excellence in Diabetes (EXCEED), Institute of Biomedical & Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Peter M Jones
- Department of Diabetes, School of Life Course Sciences, King's College London, London, UK
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17
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Stavely R, Nurgali K. The emerging antioxidant paradigm of mesenchymal stem cell therapy. Stem Cells Transl Med 2020; 9:985-1006. [PMID: 32497410 PMCID: PMC7445024 DOI: 10.1002/sctm.19-0446] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/05/2020] [Accepted: 04/20/2020] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem cells (multipotent stromal cells; MSCs) have been under investigation for the treatment of diverse diseases, with many promising outcomes achieved in animal models and clinical trials. The biological activity of MSC therapies has not been fully resolved which is critical to rationalizing their use and developing strategies to enhance treatment efficacy. Different paradigms have been constructed to explain their mechanism of action, including tissue regeneration, trophic/anti-inflammatory secretion, and immunomodulation. MSCs rarely engraft and differentiate into other cell types after in vivo administration. Furthermore, it is equivocal whether MSCs function via the secretion of many peptide/protein ligands as their therapeutic properties are observed across xenogeneic barriers, which is suggestive of mechanisms involving mediators conserved between species. Oxidative stress is concomitant with cellular injury, inflammation, and dysregulated metabolism which are involved in many pathologies. Growing evidence supports that MSCs exert antioxidant properties in a variety of animal models of disease, which may explain their cytoprotective and anti-inflammatory properties. In this review, evidence of the antioxidant effects of MSCs in in vivo and in vitro models is explored and potential mechanisms of these effects are discussed. These include direct scavenging of free radicals, promoting endogenous antioxidant defenses, immunomodulation via reactive oxygen species suppression, altering mitochondrial bioenergetics, and donating functional mitochondria to damaged cells. Modulation of the redox environment and oxidative stress by MSCs can mediate their anti-inflammatory and cytoprotective properties and may offer an explanation to the diversity in disease models treatable by MSCs and how these mechanisms may be conserved between species.
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Affiliation(s)
- Rhian Stavely
- Institute for Health and Sport, Victoria University, Western Centre for Health, Research and Education, Sunshine Hospital, Melbourne, Victoria, Australia.,Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Kulmira Nurgali
- Institute for Health and Sport, Victoria University, Western Centre for Health, Research and Education, Sunshine Hospital, Melbourne, Victoria, Australia.,Department of Medicine Western Health, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Regenerative Medicine and Stem Cells Program, Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, Victoria, Australia
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18
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Sun Y, Xiong X, Wang X. The miR-590-3p/VEGFA axis modulates secretion of VEGFA from adipose-derived stem cells, which acts as a paracrine regulator of human dermal microvascular endothelial cell angiogenesis. Hum Cell 2020; 33:479-489. [DOI: 10.1007/s13577-019-00315-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 12/13/2019] [Indexed: 12/25/2022]
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19
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Chidester S, Livinski AA, Fish AF, Joseph PV. The Role of Extracellular Vesicles in β-Cell Function and Viability: A Scoping Review. Front Endocrinol (Lausanne) 2020; 11:375. [PMID: 32595604 PMCID: PMC7300279 DOI: 10.3389/fendo.2020.00375] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/12/2020] [Indexed: 12/15/2022] Open
Abstract
Extracellular vesicles (EVs) released by cells throughout the body have been implicated in diabetes pathogenesis. Understanding the role of EVs in regulation of β-cell function and viability may provide insights into diabetes etiology and may lead to the development of more effective screening and diagnostic tools to detect diabetes earlier and prevent disease progression. This review was conducted to determine what is known from the literature about the effect of EV crosstalk on pancreatic β-cell function and viability in the pathogenesis of diabetes mellitus, to perform a gap analysis for future research directions, and to discuss implications of available evidence for diabetes care. The literature search yielded 380 studies from which 31 studies were determined to meet eligibility criteria. The majority of studies had the disease context of autoimmunity in T1DM. The most commonly studied EV crosstalk dynamics involved localized EV-mediated communication between β-cells and other islet cells, or between β-cells and immune cells. Other organs and tissues secreting EVs that affect β-cells include skeletal muscle, hepatocytes, adipocytes, immune cells, bone marrow, vascular endothelium, and mesenchymal stem cells. Characterization of EV cargo molecules with regulatory effects in β-cells was conducted in 24 studies, with primary focus on microRNA cargo. Gaps identified included scarcity of evidence for the effect on β-cell function and viability of EVs from major metabolic organs/tissues such as muscle, liver, and adipose depots. Future research should address these gaps as well as characterize a broader range of EV cargo molecules and their activity in β-cells.
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Affiliation(s)
- Stephanie Chidester
- Sensory Science & Metabolism Unit, Biobehavioral Branch, National Institute of Nursing Research, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, United States
- College of Nursing, University of Missouri-St. Louis, St. Louis, MO, United States
| | - Alicia A. Livinski
- National Institutes of Health Library, Office of Research Services, OD, Department of Health and Human Services, National Institutes of Health, Bethesda, MD, United States
| | - Anne F. Fish
- College of Nursing, University of Missouri-St. Louis, St. Louis, MO, United States
| | - Paule V. Joseph
- Sensory Science & Metabolism Unit, Biobehavioral Branch, National Institute of Nursing Research, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, United States
- *Correspondence: Paule V. Joseph
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