101
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Bagno LL, Salerno AG, Balkan W, Hare JM. Mechanism of Action of Mesenchymal Stem Cells (MSCs): impact of delivery method. Expert Opin Biol Ther 2021; 22:449-463. [PMID: 34882517 DOI: 10.1080/14712598.2022.2016695] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Mesenchymal stromal cells (MSCs; AKA mesenchymal stem cells) stimulate healing and reduce inflammation. Promising therapeutic responses are seen in many late-phase clinical trials, but others have not satisfied their primary endpoints, making translation of MSCs into clinical practice difficult. These inconsistencies may be related to the route of MSC delivery, lack of product optimization, or varying background therapies received in clinical trials over time. AREAS COVERED Here we discuss the different routes of MSC delivery, highlighting the proposed mechanism(s) of therapeutic action as well as potential safety concerns. PubMed search criteria used: MSC plus: local administration; routes of administration; delivery methods; mechanism of action; therapy in different diseases. EXPERT OPINION Direct injection of MSCs using a controlled local delivery approach appears to have benefits in certain disease states, but further studies are required to make definitive conclusions regarding the superiority of one delivery method over another.
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Affiliation(s)
- Luiza L Bagno
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Alessandro G Salerno
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Wayne Balkan
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA.,Department of Medicine, University of Miami Miller School of Medicine, Miami
| | - Joshua M Hare
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA.,Department of Medicine, University of Miami Miller School of Medicine, Miami
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102
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Oxidative stress and Rho GTPases in the biogenesis of tunnelling nanotubes: implications in disease and therapy. Cell Mol Life Sci 2021; 79:36. [PMID: 34921322 PMCID: PMC8683290 DOI: 10.1007/s00018-021-04040-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/11/2021] [Accepted: 11/13/2021] [Indexed: 12/19/2022]
Abstract
Tunnelling nanotubes (TNTs) are an emerging route of long-range intercellular communication that mediate cell-to-cell exchange of cargo and organelles and contribute to maintaining cellular homeostasis by balancing diverse cellular stresses. Besides their role in intercellular communication, TNTs are implicated in several ways in health and disease. Transfer of pathogenic molecules or structures via TNTs can promote the progression of neurodegenerative diseases, cancer malignancy, and the spread of viral infection. Additionally, TNTs contribute to acquiring resistance to cancer therapy, probably via their ability to rescue cells by ameliorating various pathological stresses, such as oxidative stress, reactive oxygen species (ROS), mitochondrial dysfunction, and apoptotic stress. Moreover, mesenchymal stem cells play a crucial role in the rejuvenation of targeted cells with mitochondrial heteroplasmy and oxidative stress by transferring healthy mitochondria through TNTs. Recent research has focussed on uncovering the key regulatory molecules involved in the biogenesis of TNTs. However further work will be required to provide detailed understanding of TNT regulation. In this review, we discuss possible associations with Rho GTPases linked to oxidative stress and apoptotic signals in biogenesis pathways of TNTs and summarize how intercellular trafficking of cargo and organelles, including mitochondria, via TNTs plays a crucial role in disease progression and also in rejuvenation/therapy.
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103
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Kubat GB, Kartal Y, Atalay O, Ulger O, Ekinci O, Celik E, Safali M, Urkan M, Karahan S, Ozler M, Cicek Z, Budak MT. Investigation of the effect of isolated mitochondria transplantation on renal ischemia-reperfusion injury in rats. Toxicol Appl Pharmacol 2021; 433:115780. [PMID: 34756876 DOI: 10.1016/j.taap.2021.115780] [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: 09/03/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/18/2022]
Abstract
Ischemia/Reperfusion (I/R) injury is clinically important in many surgical practice including kidney transplantation. It is known that mitochondria have a key role in the intracellular and extracellular signaling pathways of ischemia and reperfusion injury. In this respect, we pointed to explore the probable effects of isolated mitochondria transplantation from MSCs (mesenchymal stem cells), to alleviate ischemia/reperfusion-induced renal injury. Experiments were held on the 48 male Sprague Dawley rats. Groups were divided as Control (C1), I/R-Control (C2), Vehicle-1 (V1), Vehicle-2 (V2), Transplantation-1 (T1) and Transplantation-2 (T2) group. Unilaterally nephrectomy was performed in all groups. In the groups except the control, the left kidneys ischemized for 45 min and then reperfusion was carried out. According to the study groups, isolated mitochondria or vehicle infused into the renal cortex and rats were monitored for 48 h. Following that mentioned procedure, animals were sacrificed and biological samples were taken for physiological, histological and biochemical examinations. The results of present study show that mitochondrial transplantation promoted proliferation and regeneration of tubular cells after renal injury. Moreover, mitochondrial transplantation reduced mitochondrial dynamics-DRP-1 fission protein of tubular cells and reversed renal deficits. Mitochondrial transplantation diminished apoptotic markers including TUNEL and Caspase-3 levels in injured renal cells. Our results provide a direct link between mitochondria dysfunction and ischemia/reperfusion-induced renal injury and suggest a therapeutic effect of transplanting isolated mitochondria obtained from MSCs against renal injury.
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Affiliation(s)
- Gokhan Burcin Kubat
- Department of Exercise and Sports Physiology, Hacettepe University, Ankara, Turkey; Department of Pathology, Gulhane Training and Research Hospital, Health Sciences University, Ankara, Turkey
| | - Yasemin Kartal
- Department of Physiology, Hacettepe University, Ankara, Turkey
| | - Ozbeyen Atalay
- Department of Physiology, Hacettepe University, Ankara, Turkey
| | - Oner Ulger
- Department of Physiology, Health Sciences University, Ankara, Turkey
| | - Ozgur Ekinci
- Department of Pathology, Gazi University, Ankara, Turkey
| | - Ertugrul Celik
- Department of Pathology, Gulhane Training and Research Hospital, Health Sciences University, Ankara, Turkey
| | - Mukerrem Safali
- Department of Pathology, Gulhane Training and Research Hospital, Health Sciences University, Ankara, Turkey
| | - Murat Urkan
- Department of General Surgery Service, Training and Research Hospital, Mugla Sıtkı Kocman University, Mugla, Turkey
| | - Sevilay Karahan
- Department of Biostatistics, Hacettepe University, Ankara, Turkey
| | - Mehmet Ozler
- Department of Physiology, Health Sciences University, Ankara, Turkey
| | - Zehra Cicek
- Department of Physiology, Health Sciences University, Ankara, Turkey
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104
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Bi Y, Guo X, Zhang M, Zhu K, Shi C, Fan B, Wu Y, Yang Z, Ji G. Bone marrow derived-mesenchymal stem cell improves diabetes-associated fatty liver via mitochondria transformation in mice. Stem Cell Res Ther 2021; 12:602. [PMID: 34895322 PMCID: PMC8665517 DOI: 10.1186/s13287-021-02663-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/11/2021] [Indexed: 12/15/2022] Open
Abstract
Background Non-alcoholic fatty liver disease (NAFLD) has become a global epidemic disease. Its incidence is associated with type 2 diabetes mellitus (T2DM). Presently, there is no approved pharmacological agents specially developed for NAFLD. One promising disease-modifying strategy is the transplantation of stem cells to promote metabolic regulation and repair of injury. Method In this study, a T2DM model was established through 28-week high-fat diet (HFD) feeding resulting in T2DM-associated NAFLD, followed by the injection of bone marrow mesenchymal stem cells (BMSCs). The morphology, function, and transfer of hepatocyte mitochondria were evaluated in both vivo and in vitro. Results BMSC implantation resulted in the considerable recovery of increasing weight, HFD-induced steatosis, liver function, and disordered glucose and lipid metabolism. The treatment with BMSC transplantation was accompanied by reduced fat accumulation. Moreover, mitochondrial transfer was observed in both vivo and vitro studies. And the mitochondria-recipient steatotic cells exhibited significantly enhanced OXPHOS activity, ATP production, and mitochondrial membrane potential, and reduced reactive oxygen species levels, which were not achieved by the blocking of mitochondrial transfer. Conclusion Mitochondrial transfer from BMSCs is a feasible process to combat NAFLD via rescuing dysfunction mitochondria, and has a promising therapeutic effect on metabolism-related diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02663-5.
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Affiliation(s)
- Youkun Bi
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xuejun Guo
- Puyang Oilfield General Hospital, Affiliated to Xinxiang Medical College, Puyang city, 457000, Henan Province, China.
| | - Mengqi Zhang
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Keqi Zhu
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chentao Shi
- Puyang Oilfield General Hospital, Affiliated to Xinxiang Medical College, Puyang city, 457000, Henan Province, China
| | - Baoqi Fan
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yanyun Wu
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zhiguang Yang
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Guangju Ji
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
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105
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Caldeira DDAF, Weiss DJ, Rocco PRM, Silva PL, Cruz FF. Mitochondria in Focus: From Function to Therapeutic Strategies in Chronic Lung Diseases. Front Immunol 2021; 12:782074. [PMID: 34887870 PMCID: PMC8649841 DOI: 10.3389/fimmu.2021.782074] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 10/29/2021] [Indexed: 01/14/2023] Open
Abstract
Mitochondria are essential organelles for cell metabolism, growth, and function. Mitochondria in lung cells have important roles in regulating surfactant production, mucociliary function, mucus secretion, senescence, immunologic defense, and regeneration. Disruption in mitochondrial physiology can be the central point in several pathophysiologic pathways of chronic lung diseases such as chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, and asthma. In this review, we summarize how mitochondria morphology, dynamics, redox signaling, mitophagy, and interaction with the endoplasmic reticulum are involved in chronic lung diseases and highlight strategies focused on mitochondrial therapy (mito-therapy) that could be tested as a potential therapeutic target for lung diseases.
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Affiliation(s)
- Dayene de Assis Fernandes Caldeira
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Daniel J Weiss
- Department of Medicine, College of Medicine, University of Vermont, Burlington, VT, United States
| | - Patricia Rieken Macêdo Rocco
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil.,Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
| | - Pedro Leme Silva
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil.,Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
| | - Fernanda Ferreira Cruz
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil.,Rio de Janeiro Innovation Network in Nanosystems for Health-NanoSAÚDE/FAPERJ, Rio de Janeiro, Brazil
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106
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Karbalaie K, Kiani-Esfahani A, Rasouli K, Hossein Nasr-Esfahani M. Stem cells from human exfoliated deciduous teeth (SHED) have mitochondrial transfer ability in stromal-derived inducing activity (SDIA) co-culture system. Neurosci Lett 2021; 769:136392. [PMID: 34902517 DOI: 10.1016/j.neulet.2021.136392] [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: 08/12/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 10/19/2022]
Abstract
Stem cells from human exfoliated deciduous teeth (SHED) have stromal-derived inducing activity (SDIA): which means these stromal cells induce neural differentiation where they are used as a substratum for embryonic stem cell (ESCs) culture. Recent studies show that mitochondria or mitochondrial products, as paracrine factors, can be released and transferred from one cell to another. With this information, we were curious to know whether in the SDIA co-culture system, SHED release or donate their mitochondria to ESCs. For this purpose, before co-culture, SHED s' mitochondria and ESCs s' cell membranes were separately labeled with specific fluorescent probes. After co-culture, SHED s' mitochondria were tracked by fluorescent microscope and flow cytometry analysis. Co-culture also performed in the presence of inhibitors that block probable transfer pathways suchlike tunneling nanotubes, gap junctions or vesicles. Results showed that mitochondrial transfer takes place from SHED to ESCs. This transfer partly occurs by tunneling nanotubes and not through gap junctions or vesicles; also was not dependent on intracellular calcium level. This kind of horizontal gene transfer may open a new prospect for further research on probable role of mitochondria on fate choice and neural induction processes.
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Affiliation(s)
- Khadijeh Karbalaie
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Abbas Kiani-Esfahani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Khadijeh Rasouli
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
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107
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Zheng F, Luo Z, Lin X, Wang W, Aschner M, Cai P, Wang YL, Shao W, Yu G, Guo Z, Wu S, Li H. Intercellular transfer of mitochondria via tunneling nanotubes protects against cobalt nanoparticle-induced neurotoxicity and mitochondrial damage. Nanotoxicology 2021; 15:1358-1379. [PMID: 35077651 PMCID: PMC9490506 DOI: 10.1080/17435390.2022.2026515] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Broad applications of cobalt nanoparticles (CoNPs) have raised increased concerns regarding their potential toxicity. However, the underlining mechanisms of their toxicity have yet to be characterized. Here, we demonstrated that CoNPs reduced cell viability and induced membrane leakage. CoNPs induced oxidative stress, as indicated by the generation of reactive oxygen species (ROS) secondary to the increased expression of hypoxia-induced factor 1 alpha. Moreover, CoNPs led to mitochondrial damage, including generation of mitochondrial ROS, reduction in ATP content, morphological damage and autophagy. Interestingly, exogenous mitochondria were observed between neurons and astrocytes upon CoNPs exposure. Concomitantly, tunneling nanotubes (TNTs)-like structures were observed between neurons and astrocytes upon CoNPs exposure. These structures were further verified to be TNTs as they were found to be F-actin rich and lacking tubulin. We then demonstrated that TNTs were utilized for mitochondrial transfer between neurons and astrocytes, suggesting a novel crosstalk phenomenon between these cells. Moreover, we found that the inhibition of TNTs (using actin-depolymerizing drug latrunculin B) intensified apoptosis triggered by CoNPs. Therefore, we demonstrate, for the first time, that the inhibition of intercellular mitochondrial transfer via TNTs aggravates CoNPs-induced cellular and mitochondrial toxicity in neuronal cells, implying a novel intercellular protection mechanism in response to nanoparticle exposure.
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Affiliation(s)
- Fuli Zheng
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Zhousong Luo
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, Fuzhou 350005, China
| | - Xinpei Lin
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Wei Wang
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Ping Cai
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Yuan-Liang Wang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Wenya Shao
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Guangxia Yu
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Zhenkun Guo
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Siying Wu
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Corresponding authors: H. Li: ; S. Wu: . Tel: +086-591-22862527; Fax: +086-591-22862510
| | - Huangyuan Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.,Corresponding authors: H. Li: ; S. Wu: . Tel: +086-591-22862527; Fax: +086-591-22862510
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108
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Sleep SL, Skelly D, Love RM, George R. Bioenergetics of photobiomodulated osteoblast mitochondrial cells derived from human pulp stem cells: systematic review. Lasers Med Sci 2021; 37:1843-1853. [PMID: 34806122 DOI: 10.1007/s10103-021-03439-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 10/06/2021] [Indexed: 01/17/2023]
Abstract
Dental pulp cells are a source of multipotent mesenchymal stem cells with a high proliferation rate and multilineage differentiation potential. This study investigated the photobiomodulated bioenergetic effects of mitochondria in osteoblasts that differentiated from human pulp stem cells. The systematic review followed PRISMA guidelines. The PICO question was formulated. Criteria for inclusion and exclusion were established prior to searches being performed on the PubMed/MEDLINE, Embase, and Scopus. Articles were identified and included if published in English within last 10 years; photobiomodulation or low-level laser therapy were discussed; the delivery parameters for dose and time were included and the studies focused on bioenergetics of osteoblast mitochondria. Studies excluded were non-human dental pulp tissue and in vivo studies. A total number of 110 articles were collated, 106 were excluded leaving a total of 4 articles. These studies demonstrated that in vitro use of photobiomodulation was performed using different laser and LED types; InGaAlP; InGaN; and InGaAsP with average wavelengths of 630 to 940 nm. Primary human osteoblastic STRO-1 and mesenchymal stem cell lineages were studied. Three out of four articles confirmed positive bioenergetic effects of photobiomodulation on mitochondria of osteoblasts derived from human pulp cells. This systematic review demonstrated a lack of adequate reporting of bioenergetics of osteoblast mitochondria after photobiomodulation treatment.
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Affiliation(s)
- Simone L Sleep
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia
| | - Deanne Skelly
- Environmental Futures Research Institute, Griffith University, Nathan, QLD, Australia.,School of Environment and Science, Griffith University, Nathan, QLD, Australia.,Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia
| | - Robert M Love
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia
| | - Roy George
- School of Medicine and Dentistry, Griffith University, Gold Coast, Australia.
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109
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You J, Fu Z, Zou L. Mechanism and Potential of Extracellular Vesicles Derived From Mesenchymal Stem Cells for the Treatment of Infectious Diseases. Front Microbiol 2021; 12:761338. [PMID: 34764947 PMCID: PMC8576143 DOI: 10.3389/fmicb.2021.761338] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 09/24/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) are nano-sized membrane vesicles secreted by cells. EVs serve as a mediator for cell-to-cell communication by regulating the exchange of genetic materials and proteins between the donor and surrounding cells. Current studies have explored the therapeutic value of mesenchymal stem cells-derived EVs (MSC-EVs) for the treatment of infectious diseases extensively. MSC-EVs can eliminate the pathogen, regulate immunity, and repair tissue injury in contagious diseases through the secretion of antimicrobial factors, inhibiting the replication of pathogens and activating the phagocytic function of macrophages. MSC-EVs can also repair tissue damage associated with the infection by upregulating the levels of anti-inflammatory factors, downregulating the pro-inflammatory factors, and participating in the regulation of cellular biological behaviors. The purpose of this mini-review is to discuss in detail the various mechanisms of MSC-EV treatment for infectious diseases including respiratory infections, sepsis, and intestinal infections, as well as challenges for implementing MSC-EVs from bench to bedside.
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Affiliation(s)
- Jingyi You
- Department of Respiratory Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing, China
| | - Zhou Fu
- Department of Respiratory Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing, China
| | - Lin Zou
- Chongqing Key Laboratory of Pediatrics, Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing, China.,Clinical Research Unit, Children's Hospital of Shanghai Jiao Tong University, Shanghai, China.,Institute of Pediatric Infection, Immunity, and Critical Care Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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110
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Ahluwalia M, Kumar M, Ahluwalia P, Rahimi S, Vender JR, Raju RP, Hess DC, Baban B, Vale FL, Dhandapani KM, Vaibhav K. Rescuing mitochondria in traumatic brain injury and intracerebral hemorrhages - A potential therapeutic approach. Neurochem Int 2021; 150:105192. [PMID: 34560175 PMCID: PMC8542401 DOI: 10.1016/j.neuint.2021.105192] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/18/2021] [Accepted: 09/20/2021] [Indexed: 02/07/2023]
Abstract
Mitochondria are dynamic organelles responsible for cellular energy production. Besides, regulating energy homeostasis, mitochondria are responsible for calcium homeostasis, signal transmission, and the fate of cellular survival in case of injury and pathologies. Accumulating reports have suggested multiple roles of mitochondria in neuropathologies, neurodegeneration, and immune activation under physiological and pathological conditions. Mitochondrial dysfunction, which occurs at the initial phase of brain injury, involves oxidative stress, inflammation, deficits in mitochondrial bioenergetics, biogenesis, transport, and autophagy. Thus, development of targeted therapeutics to protect mitochondria may improve functional outcomes following traumatic brain injury (TBI) and intracerebral hemorrhages (ICH). In this review, we summarize mitochondrial dysfunction related to TBI and ICH, including the mechanisms involved, and discuss therapeutic approaches with special emphasis on past and current clinical trials.
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Affiliation(s)
- Meenakshi Ahluwalia
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA.
| | - Manish Kumar
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Pankaj Ahluwalia
- Department of Pathology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Scott Rahimi
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - John R Vender
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Raghavan P Raju
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - David C Hess
- Department of Neurology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Babak Baban
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - Fernando L Vale
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Krishnan M Dhandapani
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Kumar Vaibhav
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA, USA.
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111
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Tracy EP, Hughes W, Beare JE, Rowe G, Beyer A, LeBlanc AJ. Aging-Induced Impairment of Vascular Function: Mitochondrial Redox Contributions and Physiological/Clinical Implications. Antioxid Redox Signal 2021; 35:974-1015. [PMID: 34314229 PMCID: PMC8905248 DOI: 10.1089/ars.2021.0031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Significance: The vasculature responds to the respiratory needs of tissue by modulating luminal diameter through smooth muscle constriction or relaxation. Coronary perfusion, diastolic function, and coronary flow reserve are drastically reduced with aging. This loss of blood flow contributes to and exacerbates pathological processes such as angina pectoris, atherosclerosis, and coronary artery and microvascular disease. Recent Advances: Increased attention has recently been given to defining mechanisms behind aging-mediated loss of vascular function and development of therapeutic strategies to restore youthful vascular responsiveness. The ultimate goal aims at providing new avenues for symptom management, reversal of tissue damage, and preventing or delaying of aging-induced vascular damage and dysfunction in the first place. Critical Issues: Our major objective is to describe how aging-associated mitochondrial dysfunction contributes to endothelial and smooth muscle dysfunction via dysregulated reactive oxygen species production, the clinical impact of this phenomenon, and to discuss emerging therapeutic strategies. Pathological changes in regulation of mitochondrial oxidative and nitrosative balance (Section 1) and mitochondrial dynamics of fission/fusion (Section 2) have widespread effects on the mechanisms underlying the ability of the vasculature to relax, leading to hyperconstriction with aging. We will focus on flow-mediated dilation, endothelial hyperpolarizing factors (Sections 3 and 4), and adrenergic receptors (Section 5), as outlined in Figure 1. The clinical implications of these changes on major adverse cardiac events and mortality are described (Section 6). Future Directions: We discuss antioxidative therapeutic strategies currently in development to restore mitochondrial redox homeostasis and subsequently vascular function and evaluate their potential clinical impact (Section 7). Antioxid. Redox Signal. 35, 974-1015.
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Affiliation(s)
- Evan Paul Tracy
- Department of Physiology, University of Louisville, Louisville, Kentucky, USA
| | - William Hughes
- Department of Medicine and Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Jason E Beare
- Cardiovascular Innovation Institute, University of Louisville, Louisville, Kentucky, USA.,Kentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, Kentucky, USA
| | - Gabrielle Rowe
- Department of Physiology, University of Louisville, Louisville, Kentucky, USA
| | - Andreas Beyer
- Department of Medicine and Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Amanda Jo LeBlanc
- Department of Physiology, University of Louisville, Louisville, Kentucky, USA.,Cardiovascular Innovation Institute, University of Louisville, Louisville, Kentucky, USA
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112
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Zheng H, Zhu H, Liu X, Huang X, Huang A, Huang Y. Mitophagy in Diabetic Cardiomyopathy: Roles and Mechanisms. Front Cell Dev Biol 2021; 9:750382. [PMID: 34646830 PMCID: PMC8503602 DOI: 10.3389/fcell.2021.750382] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/06/2021] [Indexed: 12/20/2022] Open
Abstract
Cardiovascular disease is the leading complication of diabetes mellitus (DM), and diabetic cardiomyopathy (DCM) is a major cause of mortality in diabetic patients. Multiple pathophysiologic mechanisms, including myocardial insulin resistance, oxidative stress and inflammation, are involved in the development of DCM. Recent studies have shown that mitochondrial dysfunction makes a substantial contribution to the development of DCM. Mitophagy is a type of autophagy that takes place in dysfunctional mitochondria, and it plays a key role in mitochondrial quality control. Although the precise molecular mechanisms of mitophagy in DCM have yet to be fully clarified, recent findings imply that mitophagy improves cardiac function in the diabetic heart. However, excessive mitophagy may exacerbate myocardial damage in patients with DCM. In this review, we aim to provide a comprehensive overview of mitochondrial quality control and the dual roles of mitophagy in DCM. We also propose that a balance between mitochondrial biogenesis and mitophagy is essential for the maintenance of cellular metabolism in the diabetic heart.
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Affiliation(s)
- Haoxiao Zheng
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China
| | - Hailan Zhu
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China
| | - Xinyue Liu
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China
| | - Xiaohui Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China
| | - Anqing Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China
| | - Yuli Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China.,Guangdong Provincial Key Laboratory of Shock and Microcirculation Research, Guangzhou, China.,The George Institute for Global Health, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
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113
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Huang T, Zhang T, Jiang X, Li A, Su Y, Bian Q, Wu H, Lin R, Li N, Cao H, Ling D, Wang J, Tabata Y, Gu Z, Gao J. Iron oxide nanoparticles augment the intercellular mitochondrial transfer-mediated therapy. SCIENCE ADVANCES 2021; 7:eabj0534. [PMID: 34586849 PMCID: PMC8480934 DOI: 10.1126/sciadv.abj0534] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 07/30/2021] [Indexed: 05/24/2023]
Abstract
The transfer of mitochondria between cells has recently been revealed as a spontaneous way to protect the injured cells. However, the utilization of this natural transfer process for disease treatment is so far limited by its unsatisfactory transfer efficiency and selectivity. Here, we demonstrate that iron oxide nanoparticles (IONPs) can augment the intercellular mitochondrial transfer from human mesenchymal stem cells (hMSCs) selectively to diseased cells, owing to the enhanced formation of connexin 43–containing gap junctional channels triggered by ionized IONPs. In a mouse model of pulmonary fibrosis, the IONP-engineered hMSCs achieve a remarkable mitigation of fibrotic progression because of the promoted intercellular mitochondrial transfer, with no serious safety issues identified. The present study reports a potential method of using IONPs to enable hMSCs for efficient and safe transfer of mitochondria to diseased cells to restore mitochondrial bioenergetics.
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Affiliation(s)
- Ting Huang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Tianyuan Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xinchi Jiang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ai Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuanqin Su
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiong Bian
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Honghui Wu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ruyi Lin
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ni Li
- Department of Cardiothoracic Surgery, Ningbo Medical Center, Lihuili Hospital Affiliated to Ningbo University, Ningbo, Zhejiang 315041, China
| | - Hongcui Cao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Daishun Ling
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jinqiang Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yasuhiko Tabata
- Department of Biomaterials, Field of Tissue Engineering, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
| | - Zhen Gu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jianqing Gao
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou 310058, China
- Westlake Laboratory of Life Sciences and Biomedicine, Zhejiang, China
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114
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Maanaoui M, Kerr-Conte J. Pushing the boundaries of organs before it's too late: pre-emptive regeneration. Transpl Int 2021; 34:1761-1769. [PMID: 34532871 DOI: 10.1111/tri.13969] [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: 04/13/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 11/28/2022]
Abstract
Solid organ transplantation is marked by accelerated aging and inexorable fibrosis. It is crucial to promote strategies to attenuate, or to reverse, damage before organ failure. Hence, the objective of this article is to provide insight into strategies, which aim to regenerate or rejuvenate the transplanted organs. Cell therapy with mesenchymal stromal cells is currently under investigation because of their antifibrotic properties. Their ability to promote mitochondrial biogenesis, and to transfer mitochondria to wounded cells, is another approach to boost the organ regeneration. Other teams have investigated bioengineered organs, which consists of decellularization of the damaged organ followed by recellularization. Lastly, the development of CAR-T cell-based technologies may revolutionize the field of transplantation, as recent preclinical studies showed that CAR-T cells could efficiently clear senescent cells from an organ and reverse fibrosis. Ultimately, these cutting-edge strategies may bring the holy grail of a pre-emptive regenerated organ closer to reality.
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Affiliation(s)
- Mehdi Maanaoui
- Department of Nephrology, CHU Lille, Lille, France.,Inserm, CHU Lille, Institut Pasteur Lille, U1190 - EGID, Univ. Lille, Lille, France
| | - Julie Kerr-Conte
- Inserm, CHU Lille, Institut Pasteur Lille, U1190 - EGID, Univ. Lille, Lille, France
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115
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de Carvalho LRP, Abreu SC, de Castro LL, Andrade da Silva LH, Silva PM, Vieira JB, Santos RT, Cabral MR, Khoury M, Weiss DJ, Lopes-Pacheco M, Silva PL, Cruz FF, Rocco PRM. Mitochondria-Rich Fraction Isolated From Mesenchymal Stromal Cells Reduces Lung and Distal Organ Injury in Experimental Sepsis. Crit Care Med 2021; 49:e880-e890. [PMID: 33870913 DOI: 10.1097/ccm.0000000000005056] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVES To ascertain whether systemic administration of mitochondria-rich fraction isolated from mesenchymal stromal cells would reduce lung, kidney, and liver injury in experimental sepsis. DESIGN Animal study. SETTING Laboratory investigation. SUBJECTS Sixty C57BL/6 male mice. INTERVENTIONS Sepsis was induced by cecal ligation and puncture; sham-operated animals were used as control. At 24 hours after surgery, cecal ligation and puncture and Sham animals were further randomized to receive saline or mitochondria-rich fraction isolated from mesenchymal stromal cells (3 × 106) IV. At 48 hours, survival, peritoneal bacterial load, lung, kidney, and liver injury were analyzed. Furthermore, the effects of mitochondria on oxygen consumption rate and reactive oxygen species production of lung epithelial and endothelial cells were evaluated in vitro. MEASUREMENTS AND MAIN RESULTS In vitro exposure of lung epithelial and endothelial cells from cecal ligation and puncture animals to mitochondria-rich fraction isolated from mesenchymal stromal cells restored oxygen consumption rate and reduced total reactive oxygen species production. Infusion of exogenous mitochondria-rich fraction from mesenchymal stromal cells (mitotherapy) reduced peritoneal bacterial load, improved lung mechanics and histology, and decreased the expression of interleukin-1β, keratinocyte chemoattractant, indoleamine 2,3-dioxygenase-2, and programmed cell death protein 1 in lung tissue, while increasing keratinocyte growth factor expression and survival rate in cecal ligation and puncture-induced sepsis. Mitotherapy also reduced kidney and liver injury, plasma creatinine levels, and messenger RNA expressions of interleukin-18 in kidney, interleukin-6, indoleamine 2,3-dioxygenase-2, and programmed cell death protein 1 in liver, while increasing nuclear factor erythroid 2-related factor-2 and superoxide dismutase-2 in kidney and interleukin-10 in liver. CONCLUSIONS Mitotherapy decreased lung, liver, and kidney injury and increased survival rate in cecal ligation and puncture-induced sepsis.
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Affiliation(s)
- Luiza Rachel Pinheiro de Carvalho
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Soraia Carvalho Abreu
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Ligia Lins de Castro
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luísa Helena Andrade da Silva
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paula Matos Silva
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juliana Borges Vieira
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Renata Trabach Santos
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marianna Ribeiro Cabral
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maroun Khoury
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- Cells for Cells and Consorcio Regenero, Chilean Consortium for Regenerative Medicine, Santiago, Chile
| | - Daniel J Weiss
- Department of Medicine, University of Vermont, Burlington, VT
| | - Miquéias Lopes-Pacheco
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Pedro Leme Silva
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Fernanda Ferreira Cruz
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Patricia Rieken Macedo Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
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116
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Mohana Devi S, Abishek Kumar B, Mahalaxmi I, Balachandar V. Leber's hereditary optic neuropathy: Current approaches and future perspectives on Mesenchymal stem cell-mediated rescue. Mitochondrion 2021; 60:201-218. [PMID: 34454075 DOI: 10.1016/j.mito.2021.08.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/03/2021] [Accepted: 08/23/2021] [Indexed: 12/19/2022]
Abstract
Leber's Hereditary Optic Neuropathy (LHON) is an inherited optic nerve disorder. It is a mitochondrially inherited disease due to point mutation in the MT-ND1, MT-ND4, and MT-ND6 genes of mitochondrial DNA (mtDNA) coding for complex I subunit proteins. These mutations affect the assembly of the mitochondrial complex I and hence the electron transport chain leading to mitochondrial dysfunction and oxidative damage. Optic nerve cells like retinal ganglion cells (RGCs) are more sensitive to mitochondrial loss and oxidative damage which results in the progressive degeneration of RGCs at the axonal region of the optic nerve leading to bilateral vision loss. Currently, gene therapy using Adeno-associated viral vector (AAV) is widely studied for the therapeutics application in LHON. Our review highlights the application of cell-based therapy for LHON. Mesenchymal stem cells (MSCs) are known to rescue cells from the pre-apoptotic stage by transferring healthy mitochondria through tunneling nanotubes (TNT) for cellular oxidative function. Empowering the transfer of healthy mitochondria using MSCs may replace the mitochondria with pathogenic mutation and possibly benefit the cells from progressive damage. This review discusses the ongoing research in LHON and mitochondrial transfer mechanisms to explore its scope in inherited optic neuropathy.
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Affiliation(s)
- Subramaniam Mohana Devi
- SN ONGC Department of Genetics and Molecular Biology, Vision Research Foundation, Sankara Nethralaya, Chennai, India.
| | - B Abishek Kumar
- SN ONGC Department of Genetics and Molecular Biology, Vision Research Foundation, Sankara Nethralaya, Chennai, India
| | - Iyer Mahalaxmi
- Livestock Farming and Bioresource Technology, Tamil Nadu, India
| | - Vellingiri Balachandar
- Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, India
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117
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Lin W, Chen S, Wang Y, Wang M, Lee WYW, Jiang X, Li G. Dynamic regulation of mitochondrial-endoplasmic reticulum crosstalk during stem cell homeostasis and aging. Cell Death Dis 2021; 12:794. [PMID: 34400615 PMCID: PMC8368094 DOI: 10.1038/s41419-021-03912-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 02/07/2023]
Abstract
Cellular therapy exerts profound therapeutic potential for curing a broad spectrum of diseases. Adult stem cells reside within a specified dynamic niche in vivo, which is essential for continuous tissue homeostatic maintenance through balancing self-renewal with lineage selection. Meanwhile, adult stem cells may be multipotent or unipotent, and are present in both quiescent and actively dividing states in vivo of the mammalians, which may switch to each other state in response to biophysical cues through mitochondria-mediated mechanisms, such as alterations in mitochondrial respiration and metabolism. In general, stem cells facilitate tissue repair after tissue-specific homing through various mechanisms, including immunomodulation of local microenvironment, differentiation into functional cells, cell "empowerment" via paracrine secretion, immunoregulation, and intercellular mitochondrial transfer. Interestingly, cell-source-specific features have been reported between different tissue-derived adult stem cells with distinct functional properties due to the different microenvironments in vivo, as well as differential functional properties in different tissue-derived stem cell-derived extracellular vehicles, mitochondrial metabolism, and mitochondrial transfer capacity. Here, we summarized the current understanding on roles of mitochondrial dynamics during stem cell homeostasis and aging, and lineage-specific differentiation. Also, we proposed potential unique mitochondrial molecular signature features between different source-derived stem cells and potential associations between stem cell aging and mitochondria-endoplasmic reticulum (ER) communication, as well as potential novel strategies for anti-aging intervention and healthy aging.
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Affiliation(s)
- Weiping Lin
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, China.
- Stem Cells and Regenerative Medicine Laboratory, Department of Orthopaedics and Traumatology, Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China.
| | - Shuxun Chen
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Yan Wang
- Stem Cells and Regenerative Medicine Laboratory, Department of Orthopaedics and Traumatology, Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ming Wang
- Stem Cells and Regenerative Medicine Laboratory, Department of Orthopaedics and Traumatology, Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Wayne Yuk-Wai Lee
- Stem Cells and Regenerative Medicine Laboratory, Department of Orthopaedics and Traumatology, Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
- SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Center of the Chinese University of Hong Kong and Nanjing University, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Xiaohua Jiang
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- Faculty of Medicine, MOE Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Gang Li
- Stem Cells and Regenerative Medicine Laboratory, Department of Orthopaedics and Traumatology, Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China.
- Faculty of Medicine, MOE Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
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118
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Shrestha M, Nguyen TT, Park J, Choi JU, Yook S, Jeong JH. Immunomodulation effect of mesenchymal stem cells in islet transplantation. Biomed Pharmacother 2021; 142:112042. [PMID: 34403963 DOI: 10.1016/j.biopha.2021.112042] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells (MSCs) therapy has brought a great enthusiasm to the treatment of various immune disorders, tissue regeneration and transplantation therapy. MSCs are being extensively investigated for their immunomodulatory actions. MSCs can deliver immunomodulatory signals to inhibit allogeneic T cell immune responses by downregulating pro-inflammatory cytokines and increasing regulatory cytokines and growth factors. Islet transplantation is a therapeutic alternative to the insulin therapy for the treatment of type 1 diabetes mellitus (T1DM). However, the acute loss of islets due to the lack of vasculature and hypoxic milieu in the immediate post-transplantation period may lead to treatment failure. Moreover, despite the use of potent immunosuppressive drugs, graft failure persists because of immunological rejection. Many in vitro and in vivo researches have demonstrated the multipotency of MSCs as a mediator of immunomodulation and a great approach for enhancement of islet engraftment. MSCs can interact with immune cells of the innate and adaptive immune systems via direct cell-cell contact or through secretomes containing numerous soluble growth and immunomodulatory factors or mitochondrial transfer. This review highlights the interactions between MSCs and different immune cells to mediate immunomodulatory functions along with the importance of MSCs therapy for the successful islet transplantation.
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Affiliation(s)
- Manju Shrestha
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Tiep Tien Nguyen
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Jooho Park
- Department of Biomedical Chemistry, College of Biomedical & Health Science, Konkuk University, Chungju 27478, Republic of Korea
| | - Jeong Uk Choi
- College of Pharmacy, Chonnam University, Gwangju 61186, Republic of Korea
| | - Simmyung Yook
- College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea.
| | - Jee-Heon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
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119
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Valenti D, Vacca RA, Moro L, Atlante A. Mitochondria Can Cross Cell Boundaries: An Overview of the Biological Relevance, Pathophysiological Implications and Therapeutic Perspectives of Intercellular Mitochondrial Transfer. Int J Mol Sci 2021; 22:8312. [PMID: 34361078 PMCID: PMC8347886 DOI: 10.3390/ijms22158312] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/19/2021] [Accepted: 07/28/2021] [Indexed: 01/07/2023] Open
Abstract
Mitochondria are complex intracellular organelles traditionally identified as the powerhouses of eukaryotic cells due to their central role in bioenergetic metabolism. In recent decades, the growing interest in mitochondria research has revealed that these multifunctional organelles are more than just the cell powerhouses, playing many other key roles as signaling platforms that regulate cell metabolism, proliferation, death and immunological response. As key regulators, mitochondria, when dysfunctional, are involved in the pathogenesis of a wide range of metabolic, neurodegenerative, immune and neoplastic disorders. Far more recently, mitochondria attracted renewed attention from the scientific community for their ability of intercellular translocation that can involve whole mitochondria, mitochondrial genome or other mitochondrial components. The intercellular transport of mitochondria, defined as horizontal mitochondrial transfer, can occur in mammalian cells both in vitro and in vivo, and in physiological and pathological conditions. Mitochondrial transfer can provide an exogenous mitochondrial source, replenishing dysfunctional mitochondria, thereby improving mitochondrial faults or, as in in the case of tumor cells, changing their functional skills and response to chemotherapy. In this review, we will provide an overview of the state of the art of the up-to-date knowledge on intercellular trafficking of mitochondria by discussing its biological relevance, mode and mechanisms underlying the process and its involvement in different pathophysiological contexts, highlighting its therapeutic potential for diseases with mitochondrial dysfunction primarily involved in their pathogenesis.
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Affiliation(s)
- Daniela Valenti
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM)-CNR, Via G. Amendola122/O, 70126 Bari, Italy; (R.A.V.); (L.M.)
| | | | | | - Anna Atlante
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM)-CNR, Via G. Amendola122/O, 70126 Bari, Italy; (R.A.V.); (L.M.)
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120
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Matula Z, Mikala G, Lukácsi S, Matkó J, Kovács T, Monostori É, Uher F, Vályi-Nagy I. Stromal Cells Serve Drug Resistance for Multiple Myeloma via Mitochondrial Transfer: A Study on Primary Myeloma and Stromal Cells. Cancers (Basel) 2021; 13:cancers13143461. [PMID: 34298674 PMCID: PMC8307863 DOI: 10.3390/cancers13143461] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/24/2021] [Accepted: 07/07/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Mitochondrial transfer plays a crucial role in the acquisition of drug resistance in multiple myeloma, but its exact mechanism is not yet clear; moreover, overcoming the drug resistance that it causes is also a major challenge. Our research on primary myeloma cell cultures reveals that mitochondrial transfer is bi-directional between bone marrow stromal cells and myeloma cells, occurring via tunneling nanotubes and partial cell fusion with extreme increases under the influence of chemotherapeutic drugs, whereupon survival and adenosine triphosphate levels increase, while mitochondrial superoxide levels decrease in myeloma cells. These changes and the elevation of superoxide levels in stromal cells are proportional to the amount of incorporated mitochondria derived from the other cell type and to the concentration of the used drug. Although the inhibition of mitochondrial transfer is limited between stromal and myeloma cells, the supportive effect of stromal cells can be effectively averted by influencing the tumor metabolism with an inhibitor of oxidative phosphorylation in addition to chemotherapeutics. Abstract Recently, it has become evident that mitochondrial transfer (MT) plays a crucial role in the acquisition of cancer drug resistance in many hematologic malignancies; however, for multiple myeloma, there is a need to generate novel data to better understand this mechanism. Here, we show that primary myeloma cells (MMs) respond to an increasing concentration of chemotherapeutic drugs with an increase in the acquisition of mitochondria from autologous bone marrow stromal cells (BM-MSCs), whereupon survival and adenosine triphosphate levels of MMs increase, while the mitochondrial superoxide levels decrease in MMs. These changes are proportional to the amount of incorporated BM-MSC-derived mitochondria and to the concentration of the used drug, but seem independent from the type and mechanism of action of chemotherapeutics. In parallel, BM-MSCs also incorporate an increasing amount of MM cell-derived mitochondria accompanied by an elevation of superoxide levels. Using the therapeutic antibodies Daratumumab, Isatuximab, or Elotuzumab, no similar effect was observed regarding the MT. Our research shows that MT occurs via tunneling nanotubes and partial cell fusion with extreme increases under the influence of chemotherapeutic drugs, but its inhibition is limited. However, the supportive effect of stromal cells can be effectively avoided by influencing the metabolism of myeloma cells with the concomitant use of chemotherapeutic agents and an inhibitor of oxidative phosphorylation.
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Affiliation(s)
- Zsolt Matula
- Central Hospital of Southern Pest, National Institute of Hematology and Infectious Diseases, 1097 Budapest, Hungary; (G.M.); (F.U.); (I.V.-N.)
- Correspondence:
| | - Gábor Mikala
- Central Hospital of Southern Pest, National Institute of Hematology and Infectious Diseases, 1097 Budapest, Hungary; (G.M.); (F.U.); (I.V.-N.)
| | - Szilvia Lukácsi
- MTA-ELTE Immunology Research Group, Department of Immunology, Eötvös Loránd University, 1053 Budapest, Hungary;
| | - János Matkó
- Department of Immunology, Eötvös Loránd University, 1053 Budapest, Hungary;
| | - Tamás Kovács
- Department of Anatomy, Histology and Embryology, Semmelweis University, 1085 Budapest, Hungary;
| | - Éva Monostori
- Institute of Genetics, Biological Research Centre, 6726 Szeged, Hungary;
| | - Ferenc Uher
- Central Hospital of Southern Pest, National Institute of Hematology and Infectious Diseases, 1097 Budapest, Hungary; (G.M.); (F.U.); (I.V.-N.)
| | - István Vályi-Nagy
- Central Hospital of Southern Pest, National Institute of Hematology and Infectious Diseases, 1097 Budapest, Hungary; (G.M.); (F.U.); (I.V.-N.)
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121
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Sertoli Cells Possess Immunomodulatory Properties and the Ability of Mitochondrial Transfer Similar to Mesenchymal Stromal Cells. Stem Cell Rev Rep 2021; 17:1905-1916. [PMID: 34115315 DOI: 10.1007/s12015-021-10197-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2021] [Indexed: 12/15/2022]
Abstract
It is becoming increasingly evident that selecting an optimal source of mesenchymal stromal cells (MSCs) is crucial for the successful outcome of MSC-based therapies. During the search for cells with potent regenerative properties, Sertoli cells (SCs) have been proven to modulate immune response in both in vitro and in vivo models. Based on morphological properties and expression of surface markers, it has been suggested that SCs could be a kind of MSCs, however, this hypothesis has not been fully confirmed. Therefore, we compared several parameters of MSCs and SCs, with the aim to evaluate the therapeutic potential of SCs in regenerative medicine. We showed that SCs successfully underwent osteogenic, chondrogenic and adipogenic differentiation and determined the expression profile of canonical MSC markers on the SC surface. Besides, SCs rescued T helper (Th) cells from undergoing apoptosis, promoted the anti-inflammatory phenotype of these cells, but did not regulate Th cell proliferation. MSCs impaired the Th17-mediated response; on the other hand, SCs suppressed the inflammatory polarisation in general. SCs induced M2 macrophage polarisation more effectively than MSCs. For the first time, we demonstrated here the ability of SCs to transfer mitochondria to immune cells. Our results indicate that SCs are a type of MSCs and modulate the reactivity of the immune system. Therefore, we suggest that SCs are promising candidates for application in regenerative medicine due to their anti-inflammatory and protective effects, especially in the therapies for diseases associated with testicular tissue inflammation.
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122
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Racchetti G, Meldolesi J. Extracellular Vesicles of Mesenchymal Stem Cells: Therapeutic Properties Discovered with Extraordinary Success. Biomedicines 2021; 9:667. [PMID: 34200818 PMCID: PMC8230522 DOI: 10.3390/biomedicines9060667] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/23/2021] [Accepted: 06/07/2021] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs), the cells distributed in the stromas of the body, are known for various properties including replication, the potential of various differentiations, the immune-related processes including inflammation. About two decades ago, these cells were shown to play relevant roles in the therapy of numerous diseases, dependent on their immune regulation and their release of cytokines and growth factors, with ensuing activation of favorable enzymes and processes. Such discovery induced great increase of their investigation. Soon thereafter, however, it became clear that therapeutic actions of MSCs are risky, accompanied by serious drawbacks and defects. MSC therapy has been therefore reduced to a few diseases, replaced for the others by their extracellular vesicles, the MSC-EVs. The latter vesicles recapitulate most therapeutic actions of MSCs, with equal or even better efficacies and without the serious drawbacks of the parent cells. In addition, MSC-EVs are characterized by many advantages, among which are their heterogeneities dependent on the stromas of origin, the alleviation of cell aging, the regulation of immune responses and inflammation. Here we illustrate the MSC-EV therapeutic effects, largely mediated by specific miRNAs, covering various diseases and pathological processes occurring in the bones, heart and vessels, kidney, and brain. MSC-EVs operate also on the development of cancers and on COVID-19, where they alleviate the organ lesions induced by the virus. Therapy by MSC-EVs can be improved by combination of their innate potential to engineering processes inducing precise targeting and transfer of drugs. The unique properties of MSC-EVs explain their intense studies, carried out with extraordinary success. Although not yet developed to clinical practice, the perspectives for proximal future are encouraging.
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Affiliation(s)
- Gabriella Racchetti
- Division of Neuroscience, San Raffaele Institute, Via Olgettina 58, 20132 Milan, Italy;
| | - Jacopo Meldolesi
- Division of Neuroscience, San Raffaele Institute, Via Olgettina 58, 20132 Milan, Italy;
- Department of Neuroscience, Faculty of Medicine, Vita-Salute San Raffaele University, Via Olgettina 58, 20132 Milan, Italy
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123
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Russo E, Lee JY, Nguyen H, Corrao S, Anzalone R, La Rocca G, Borlongan CV. Energy Metabolism Analysis of Three Different Mesenchymal Stem Cell Populations of Umbilical Cord Under Normal and Pathologic Conditions. Stem Cell Rev Rep 2021; 16:585-595. [PMID: 32185666 PMCID: PMC7253397 DOI: 10.1007/s12015-020-09967-8] [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: 12/11/2022]
Abstract
Human umbilical cord mesenchymal stem cells (hUC-MSCs) are a pivotal source of therapeutically active cells for regenerative medicine due to their multipotent differentiation potential, immunomodulatory and anti-inflammatory proprieties, as well as logistical collection advantages without ethical concerns. However, it remains poorly understood whether MSCs from different compartments of the human umbilical cord are therapeutically superior than others. In this study, MSCs were isolated from Wharton’s jelly (WJ-MSCs), perivascular region (PV-MSCs) and cord lining (CL-MSCs) of hUC. These cells expressed the mesenchymal markers (CD90, CD73), stemness marker (OCT4), endothelial cell adhesion molecular marker (CD146), and the monocyte/macrophage marker (CD14) found within the MSC population implicated as a key regulator of inflammatory responses to hypoxia, was displayed by WJ-, PV-, and CL-MSCs respectively. A direct consequence of oxygen and glucose deprivation during stroke and reperfusion is impaired mitochondrial function that contributes to cellular death. Emerging findings of mitochondria transfer provide the basis for the replenishment of healthy mitochondria as a strategy for the treatment of stroke. Cell Energy Phenotype and Mito Stress tests were performed the energy metabolic profile of the three MSC populations and their mitochondrial function in both ambient and OGD cell culture conditions. PV-MSCs showed the highest mitochondrial activity. CL-MSCs were the least affected by OGD/R condition, suggesting their robust survival in ischemic environment. In this study, MSC populations in UC possess comparable metabolic capacities and good survival under normal and hypoxic conditions suggesting their potential as transplantable cells for mitochondrial-based stem cell therapy in stroke and other ischemic diseases.
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Affiliation(s)
- Eleonora Russo
- Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine, Tampa, Florida, USA.,Section of Histology and Embryology, Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University of Palermo, Palermo, Italy
| | - Jea-Young Lee
- Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine, Tampa, Florida, USA
| | - Hung Nguyen
- Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine, Tampa, Florida, USA
| | - Simona Corrao
- Section of Histology and Embryology, Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University of Palermo, Palermo, Italy
| | - Rita Anzalone
- Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Palermo, Italy
| | - Giampiero La Rocca
- Section of Histology and Embryology, Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University of Palermo, Palermo, Italy.
| | - Cesar V Borlongan
- Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine, Tampa, Florida, USA.
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124
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Miotti G, Parodi PC, Zeppieri M. Stem cell therapy in ocular pathologies in the past 20 years. World J Stem Cells 2021; 13:366-385. [PMID: 34136071 PMCID: PMC8176844 DOI: 10.4252/wjsc.v13.i5.366] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/12/2021] [Accepted: 04/26/2021] [Indexed: 02/07/2023] Open
Abstract
Stem cell therapies are successfully used in various fields of medicine. This new approach of research is also expanding in ophthalmology. Huge investments, resources and important clinical trials have been performed in stem cell research and in potential therapies. In recent years, great strides have been made in genetic research, which permitted and enhanced the differentiation of stem cells. Moreover, the possibility of exploiting stem cells from other districts (such as adipose, dental pulp, bone marrow stem cells, etc.) for the treatment of ophthalmic diseases, renders this topic fascinating. Furthermore, great strides have been made in biomedical engineering, which have proposed new materials and three-dimensional structures useful for cell therapy of the eye. The encouraging results obtained on clinical trials conducted on animals have given a significant boost in the creation of study protocols also in humans. Results are limited to date, but clinical trials continue to evolve. Our attention is centered on the literature reported over the past 20 years, considering animal (the most represented in literature) and human clinical trials, which are limiting. The aim of our review is to present a brief overview of the main types of treatments based on stem cells in the field of ophthalmic pathologies.
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Affiliation(s)
- Giovanni Miotti
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Pier Camillo Parodi
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Marco Zeppieri
- Department of Ophthalmology, University Hospital of Udine, Udine 33100, Italy
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125
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Gupta A, Shivaji K, Kadam S, Gupta M, Rodriguez HC, Potty AG, El-Amin SF, Maffulli N. Immunomodulatory extracellular vesicles: an alternative to cell therapy for COVID-19. Expert Opin Biol Ther 2021; 21:1551-1560. [PMID: 33886388 DOI: 10.1080/14712598.2021.1921141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction: SARS-CoV-2 induces a cytokine storm and can cause inflammation, fibrosis and apoptosis in the lungs, leading to acute respiratory distress syndrome (ARDS). ARDS is the leading cause of mortality and morbidity the associated to COVID-19, and the cytokine storm is a prominent etiological factor. Mesenchymal stem cell-derived extracellular vesicles are an alternative therapy for the management of inflammatory and autoimmune conditions due to their immunosuppressive properties. The immunomodulatory and tissue regeneration capabilities of extracellular vesicles may support their application as a prospective therapy for COVID-19.Areas Covered: We explored the clinical evidence on extracellular vesicles as antiviral agents and in mitigating ARDS, and their therapeutic potential in COVID-19.Expert Opinion: Clinical trials using extracellular vesicles are registered against COVID-19 associated complications, with some evidence of safety and efficacy. Extracellular vesicles present an alternative potential for cell therapy for COVID-19 management, but further preclinical and clinical investigations are needed.
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Affiliation(s)
- Ashim Gupta
- Future Biologics, Lawrenceville, USA.,BioIntegrate, Lawrenceville, USA.,South Texas Orthopedic Research Institute (STORI Inc), Laredo, USA.,Veterans in Pain, Los Angeles, USA
| | - Kashte Shivaji
- Department of Stem Cell & Regenerative Medicine, Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to Be University), Kolhapur, India
| | - Sachin Kadam
- Department of Stem Cell & Regenerative Medicine, Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to Be University), Kolhapur, India.,Advancells Group, Noida, India
| | | | - Hugo C Rodriguez
- Future Biologics, Lawrenceville, USA.,South Texas Orthopedic Research Institute (STORI Inc), Laredo, USA.,Future Physicians of South Texas, San Antonio, USA.,School of Osteopathic Medicine, University of the Incarnate Word, San Antonio, USA
| | - Anish G Potty
- South Texas Orthopedic Research Institute (STORI Inc), Laredo, USA.,School of Osteopathic Medicine, University of the Incarnate Word, San Antonio, USA.,The Institute of Musculoskeletal Excellence (TIME Orthopaedics), Laredo, USA
| | - Saadiq F El-Amin
- BioIntegrate, Lawrenceville, USA.,El-Amin Orthopaedic & Sports Medicine Institute, Lawrenceville, USA
| | - Nicola Maffulli
- Department of Musculoskeletal Disorders, School of Medicine and Surgery, University of Salerno, Fisciano, Italy.,San Giovanni Di Dio E Ruggi D'Aragona Hospital "Clinica Orthopedica" Department, Hospital of Salerno, Salerno, Italy.,Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, London, England
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126
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Qin Y, Jiang X, Yang Q, Zhao J, Zhou Q, Zhou Y. The Functions, Methods, and Mobility of Mitochondrial Transfer Between Cells. Front Oncol 2021; 11:672781. [PMID: 34041035 PMCID: PMC8141658 DOI: 10.3389/fonc.2021.672781] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/20/2021] [Indexed: 12/31/2022] Open
Abstract
Mitochondria are vital organelles in cells, regulating energy metabolism and apoptosis. Mitochondrial transcellular transfer plays a crucial role during physiological and pathological conditions, such as rescuing recipient cells from bioenergetic deficit and tumorigenesis. Studies have shown several structures that conduct transcellular transfer of mitochondria, including tunneling nanotubes (TNTs), extracellular vesicles (EVs), and Cx43 gap junctions (GJs). The intra- and intercellular transfer of mitochondria is driven by a transport complex. Mitochondrial Rho small GTPase (MIRO) may be the adaptor that connects the transport complex with mitochondria, and myosin XIX is the motor protein of the transport complex, which participates in the transcellular transport of mitochondria through TNTs. In this review, the roles of TNTs, EVs, GJs, and related transport complexes in mitochondrial transcellular transfer are discussed in detail, as well as the formation mechanisms of TNTs and EVs. This review provides the basis for the development of potential clinical therapies targeting the structures of mitochondrial transcellular transfer.
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Affiliation(s)
- Yiming Qin
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Xin Jiang
- Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Qi Yang
- Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Jiaqi Zhao
- Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Qiong Zhou
- Department of Neurology, Yiyang Central Hospital, Yiyang City, China
| | - Yanhong Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
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127
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Planat-Benard V, Varin A, Casteilla L. MSCs and Inflammatory Cells Crosstalk in Regenerative Medicine: Concerted Actions for Optimized Resolution Driven by Energy Metabolism. Front Immunol 2021; 12:626755. [PMID: 33995350 PMCID: PMC8120150 DOI: 10.3389/fimmu.2021.626755] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are currently widely used in cell based therapy regarding to their remarkable efficacy in controlling the inflammatory status in patients. Despite recent progress and encouraging results, inconstant therapeutic benefits are reported suggesting that significant breakthroughs in the understanding of MSCs immunomodulatory mechanisms of action remains to be investigated and certainly apprehended from original point of view. This review will focus on the recent findings regarding MSCs close relationship with the innate immune compartment, i.e. granulocytes and myeloid cells. The review will also consider the intercellular mechanism of communication involved, such as factor secretion, cell-cell contact, extracellular vesicles, mitochondria transfer and efferocytosis. Immune-like-properties of MSCs supporting part of their therapeutic effect in the clinical setting will be discussed, as well as their potentials (immunomodulatory, anti-bacterial, anti-inflammatory, anti-oxidant defenses and metabolic adaptation…) and effects mediated, such as cell polarization, differentiation, death and survival on various immune and tissue cell targets determinant in triggering tissue regeneration. Their metabolic properties in term of sensing, reacting and producing metabolites influencing tissue inflammation will be highlighted. The review will finally open to discussion how ongoing scientific advances on MSCs could be efficiently translated to clinic in chronic and age-related inflammatory diseases and the current limits and gaps that remain to be overcome to achieving tissue regeneration and rejuvenation.
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Affiliation(s)
- Valerie Planat-Benard
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
| | - Audrey Varin
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
| | - Louis Casteilla
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
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128
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Bolli R, Solankhi M, Tang XL, Kahlon A. Cell Therapy in Patients with Heart Failure: A Comprehensive Review and Emerging Concepts. Cardiovasc Res 2021; 118:951-976. [PMID: 33871588 PMCID: PMC8930075 DOI: 10.1093/cvr/cvab135] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 04/15/2021] [Indexed: 12/16/2022] Open
Abstract
This review summarizes the results of clinical trials of cell therapy in patients with heart failure (HF). In contrast to acute myocardial infarction (where results have been consistently negative for more than a decade), in the setting of HF the results of Phase I–II trials are encouraging, both in ischaemic and non-ischaemic cardiomyopathy. Several well-designed Phase II studies have met their primary endpoint and demonstrated an efficacy signal, which is remarkable considering that only one dose of cells was used. That an efficacy signal was seen 6–12 months after a single treatment provides a rationale for larger, rigorous trials. Importantly, no safety concerns have emerged. Amongst the various cell types tested, mesenchymal stromal cells derived from bone marrow (BM), umbilical cord, or adipose tissue show the greatest promise. In contrast, embryonic stem cells are not likely to become a clinical therapy. Unfractionated BM cells and cardiosphere-derived cells have been abandoned. The cell products used for HF will most likely be allogeneic. New approaches, such as repeated cell treatment and intravenous delivery, may revolutionize the field. As is the case for most new therapies, the development of cell therapies for HF has been slow, plagued by multifarious problems, and punctuated by many setbacks; at present, the utility of cell therapy in HF remains to be determined. What the field needs is rigorous, well-designed Phase III trials. The most important things to move forward are to keep an open mind, avoid preconceived notions, and let ourselves be guided by the evidence.
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Affiliation(s)
- Roberto Bolli
- Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292
| | - Mitesh Solankhi
- Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292
| | - Xiang-Liang Tang
- Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292
| | - Arunpreet Kahlon
- Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292
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129
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Gomzikova MO, James V, Rizvanov AA. Mitochondria Donation by Mesenchymal Stem Cells: Current Understanding and Mitochondria Transplantation Strategies. Front Cell Dev Biol 2021; 9:653322. [PMID: 33898449 PMCID: PMC8058353 DOI: 10.3389/fcell.2021.653322] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/09/2021] [Indexed: 12/19/2022] Open
Abstract
The phenomenon of mitochondria donation is found in various tissues of humans and animals and is attracting increasing attention. To date, numerous studies have described the transfer of mitochondria from stem cells to injured cells, leading to increased ATP production, restoration of mitochondria function, and rescue of recipient cells from apoptosis. Mitochondria transplantation is considered as a novel therapeutic approach for the treatment of mitochondrial diseases and mitochondrial function deficiency. Mitochondrial dysfunction affects cells with high energy needs such as neural, skeletal muscle, heart, and liver cells and plays a crucial role in type 2 diabetes, as well as Parkinson's, Alzheimer's diseases, ischemia, stroke, cancer, and age-related disorders. In this review, we summarize recent findings in the field of mitochondria donation and mechanism of mitochondria transfer between cells. We review the existing clinical trials and discuss advantages and disadvantages of mitochondrial transplantation strategies based on the injection of stem cells, isolated functional mitochondria, or EVs containing mitochondria.
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Affiliation(s)
- Marina O Gomzikova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,M.M. Shemyakin-Yu.A. Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia
| | - Victoria James
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Albert A Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,M.M. Shemyakin-Yu.A. Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia.,School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
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130
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Phelan DE, Mota C, Lai C, Kierans SJ, Cummins EP. Carbon dioxide-dependent signal transduction in mammalian systems. Interface Focus 2021; 11:20200033. [PMID: 33633832 PMCID: PMC7898142 DOI: 10.1098/rsfs.2020.0033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 12/15/2022] Open
Abstract
Carbon dioxide (CO2) is a fundamental physiological gas known to profoundly influence the behaviour and health of millions of species within the plant and animal kingdoms in particular. A recent Royal Society meeting on the topic of 'Carbon dioxide detection in biological systems' was extremely revealing in terms of the multitude of roles that different levels of CO2 play in influencing plants and animals alike. While outstanding research has been performed by leading researchers in the area of plant biology, neuronal sensing, cell signalling, gas transport, inflammation, lung function and clinical medicine, there is still much to be learned about CO2-dependent sensing and signalling. Notably, while several key signal transduction pathways and nodes of activity have been identified in plants and animals respectively, the precise wiring and sensitivity of these pathways to CO2 remains to be fully elucidated. In this article, we will give an overview of the literature relating to CO2-dependent signal transduction in mammalian systems. We will highlight the main signal transduction hubs through which CO2-dependent signalling is elicited with a view to better understanding the complex physiological response to CO2 in mammalian systems. The main topics of discussion in this article relate to how changes in CO2 influence cellular function through modulation of signal transduction networks influenced by pH, mitochondrial function, adenylate cyclase, calcium, transcriptional regulators, the adenosine monophosphate-activated protein kinase pathway and direct CO2-dependent protein modifications. While each of these topics will be discussed independently, there is evidence of significant cross-talk between these signal transduction pathways as they respond to changes in CO2. In considering these core hubs of CO2-dependent signal transduction, we hope to delineate common elements and identify areas in which future research could be best directed.
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Affiliation(s)
- D. E. Phelan
- School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - C. Mota
- School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - C. Lai
- School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - S. J. Kierans
- School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - E. P. Cummins
- School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
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131
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Michaeloudes C, Li X, Mak JCW, Bhavsar PK. Study of Mesenchymal Stem Cell-Mediated Mitochondrial Transfer in In Vitro Models of Oxidant-Mediated Airway Epithelial and Smooth Muscle Cell Injury. Methods Mol Biol 2021; 2269:93-105. [PMID: 33687674 DOI: 10.1007/978-1-0716-1225-5_7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Mesenchymal stem cells (MSCs) have emerged as an attractive candidate for cell-based therapy. In the past decade, many animal and pilot clinical studies have demonstrated that MSCs are therapeutically beneficial for the treatment of obstructive lung diseases such as asthma and chronic obstructive pulmonary disease (COPD). However, due to the scarcity of adult human MSCs, human-induced pluripotent stem cells mesenchymal stem cells (iPSCs) are now increasingly used as a source of MSCs. iPSCs are derived by reprogramming somatic cells from a wide variety of tissues such as skin biopsies and then differentiating them into iPSC-MSCs. One of the mechanisms through which MSCs exert their protective effects is mitochondrial transfer. Specifically, transfer of mitochondria from iPSC-MSCs to lung cells was shown to protect lung cells against oxidative stress-induced mitochondrial dysfunction and apoptosis and to reduce lung injury and inflammation in in vivo models of lung disease. In this chapter, we detail our methods to visualize and quantify iPSC-MSC-mediated mitochondrial transfer and to study its effects on oxidant-induced airway epithelial and smooth muscle cell models of acute airway cell injury.
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Affiliation(s)
- Charalambos Michaeloudes
- National Heart and Lung Institute, Imperial College London, London, UK.,Respiratory & Critical Care Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Xiang Li
- Department of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR
| | - Judith C W Mak
- Respiratory & Critical Care Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, People's Republic of China. .,Department of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR. .,Department of Pharmacology & Pharmacy, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR.
| | - Pankaj K Bhavsar
- National Heart and Lung Institute, Imperial College London, London, UK. .,Respiratory & Critical Care Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, People's Republic of China.
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132
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Cozene BM, Russo E, Anzalone R, Rocca GL, Borlongan CV. Mitochondrial activity of human umbilical cord mesenchymal stem cells. Brain Circ 2021; 7:33-36. [PMID: 34084975 PMCID: PMC8057105 DOI: 10.4103/bc.bc_15_21] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/03/2020] [Accepted: 12/15/2020] [Indexed: 12/13/2022] Open
Abstract
Human umbilical cord mesenchymal stem cells (hUC-MSCs) serve as a potential cell-based therapy for degenerative disease. They provide immunomodulatory and anti-inflammatory properties, multipotent differentiation potential and are harvested with no ethical concern. It is unknown whether MSCs collected from different areas of the human umbilical cord elicit more favorable effects than others. Three MSC populations were harvested from various regions of the human umbilical cord: cord lining (CL-MSCs), perivascular region (PV-MSCs), and Wharton's jelly (WJ-MSCs). Mesenchymal markers (CD90 and CD73) were expressed by all three cell populations. Stemness marker (OCT4), endothelial cell adhesion molecular marker (CD146), and monocyte-macrophage marker (CD14) were expressed by WJ-MSCs, PV-MSCs, and CL-MSCs, respectively. Stroke presents with oxygen and glucose deprivation and leads to dysfunctional mitochondria and consequently cell death. Targeting the restoration of mitochondrial function in the stroke brain through mitochondrial transfer may be effective in treating stroke. In vitro exposure to ambient and OGD conditions resulted in CL-MSCs number decreasing the least post-OGD/R exposure, and PV-MSCs exhibiting the greatest mitochondrial activity. All three hUC-MSC populations presented similar metabolic activity and survival in normal and pathologic environments. These characteristics indicate hUC-MSCs potential as a potent therapeutic in regenerative medicine.
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Affiliation(s)
- Blaise M Cozene
- School of Science and Engineering, Tulane University, New Orleans, LA, USA
| | - Eleonora Russo
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Rita Anzalone
- Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Palermo, Italy
| | - Giampiero La Rocca
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Cesario V Borlongan
- Department of Cell and Molecular Biology, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
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133
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Zhang L, Xiong N, Liu Y, Gan L. Biomimetic cell-adhesive ligand-functionalized peptide composite hydrogels maintain stemness of human amniotic mesenchymal stem cells. Regen Biomater 2021; 8:rbaa057. [PMID: 33738111 PMCID: PMC7953499 DOI: 10.1093/rb/rbaa057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/02/2020] [Accepted: 12/03/2020] [Indexed: 12/13/2022] Open
Abstract
In vivo, stem cells reside in a three-dimensional (3D) extracellular microenvironment in which complicated biophysical and biochemical factors regulate their behaviors. Biomimicking of the stem cell-matrix interactions is an ideal approach for controlling the stem cell fate. This study investigates the effects of the incorporation of cell-adhesive ligands in 3D self-assembling peptide hydrogels to modulate stem cell survival, proliferation, maintenance of stemness, and osteogenic differentiation. The results show that the composite hydrogels were non-cytotoxic and effective for maintaining human amniotic mesenchymal stem cell (hAMSC) survival, proliferation and phenotypic characterization. The expression levels of pluripotent markers were also upregulated in the composite hydrogels. Under inductive media conditions, mineral deposition and mRNA expression levels of osteogenic genes of hAMSCs were enhanced. The increasing expression of integrin α- and β-subunits for hAMSCs indicates that the ligand-integrin interactions may modulate the cell fate for hAMSCs in composite hydrogels.
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Affiliation(s)
- Ling Zhang
- Key Laboratory of Cell Engineering of Guizhou Province, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Na Xiong
- Key Laboratory of Cell Engineering of Guizhou Province, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Yanfei Liu
- Key Laboratory of Cell Engineering of Guizhou Province, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Lili Gan
- Key Laboratory of Cell Engineering of Guizhou Province, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
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134
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Markov A, Thangavelu L, Aravindhan S, Zekiy AO, Jarahian M, Chartrand MS, Pathak Y, Marofi F, Shamlou S, Hassanzadeh A. Mesenchymal stem/stromal cells as a valuable source for the treatment of immune-mediated disorders. Stem Cell Res Ther 2021; 12:192. [PMID: 33736695 PMCID: PMC7971361 DOI: 10.1186/s13287-021-02265-1] [Citation(s) in RCA: 139] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 03/02/2021] [Indexed: 02/07/2023] Open
Abstract
Over recent years, mesenchymal stem/stromal cells (MSCs) and their potential biomedical applications have received much attention from the global scientific community in an increasing manner. Firstly, MSCs were successfully isolated from human bone marrow (BM), but in the next steps, they were also extracted from other sources, mostly from the umbilical cord (UC) and adipose tissue (AT). The International Society for Cellular Therapy (ISCT) has suggested minimum criteria to identify and characterize MSCs as follows: plastic adherence, surface expression of CD73, D90, CD105 in the lack of expression of CD14, CD34, CD45, and human leucocyte antigen-DR (HLA-DR), and also the capability to differentiate to multiple cell types including adipocyte, chondrocyte, or osteoblast in vitro depends on culture conditions. However, these distinct properties, including self-renewability, multipotency, and easy accessibility are just one side of the coin; another side is their huge secretome which is comprised of hundreds of mediators, cytokines, and signaling molecules and can effectively modulate the inflammatory responses and control the infiltration process that finally leads to a regulated tissue repair/healing or regeneration process. MSC-mediated immunomodulation is a direct result of a harmonic synergy of MSC-released signaling molecules (i.e., mediators, cytokines, and chemokines), the reaction of immune cells and other target cells to those molecules, and also feedback in the MSC-molecule-target cell axis. These features make MSCs a respectable and eligible therapeutic candidate to be evaluated in immune-mediated disorders, such as graft versus host diseases (GVHD), multiple sclerosis (MS), Crohn's disease (CD), and osteoarthritis (OA), and even in immune-dysregulating infectious diseases such as the novel coronavirus disease 2019 (COVID-19). This paper discussed the therapeutic applications of MSC secretome and its biomedical aspects related to immune-mediated conditions. Sources for MSC extraction, their migration and homing properties, therapeutic molecules released by MSCs, and the pathways and molecular mechanisms possibly involved in the exceptional immunoregulatory competence of MSCs were discussed. Besides, the novel discoveries and recent findings on immunomodulatory plasticity of MSCs, clinical applications, and the methods required for their use as an effective therapeutic option in patients with immune-mediated/immune-dysregulating diseases were highlighted.
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Affiliation(s)
| | - Lakshmi Thangavelu
- Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Surendar Aravindhan
- Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Angelina Olegovna Zekiy
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Mostafa Jarahian
- German Cancer Research Center, Toxicology and Chemotherapy Unit (G401), 69120 Heidelberg, Germany
| | | | - Yashwant Pathak
- Professor and Associate Dean for Faculty Affairs, Taneja College of Pharmacy, University of South Florida, Tampa, FL USA
| | - Faroogh Marofi
- Department of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somayeh Shamlou
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hassanzadeh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Cell Therapy and Regenerative Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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135
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Yang S, Liu P, Jiang Y, Wang Z, Dai H, Wang C. Therapeutic Applications of Mesenchymal Stem Cells in Idiopathic Pulmonary Fibrosis. Front Cell Dev Biol 2021; 9:639657. [PMID: 33768094 PMCID: PMC7985078 DOI: 10.3389/fcell.2021.639657] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/15/2021] [Indexed: 12/17/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is an interstitial disease of unknown etiology characterized by progressive pulmonary fibrosis. Pirfenidone and nintedanib are the only drugs that can prolong the time to disease progression, slow down the decline in lung function, and prolong survival. However, they do not offer a cure and are associated with tolerability issues. The pluripotency of mesenchymal stem cells (MSCs) and their ability to regulate immunity, inhibit inflammation, and promote epithelial tissue repair highlight the promise of MSC therapy for treating interstitial lung disease. However, optimal protocols are lacking for multi-parameter selection in MSC therapy. This review summarizes preclinical studies on MSC transplantation for the treatment of interstitial lung disease and clinical studies with known results. An analysis of relevant factors for the optimization of treatment plans is presented, including MSCs with different sources, administration routes and timing, dosages, frequencies, and pretreatments with MSCs. This review proposes an optimized plan for guiding the design of future clinical research to identify therapeutic options for this complex disease.
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Affiliation(s)
- Shengnan Yang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,WHO Collaborating Centre for Tobacco Cessation and Respiratory Diseases Prevention, Beijing, China.,Harbin Medical University, Harbin, China
| | - Peipei Liu
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yale Jiang
- School of Medicine, Tsinghua University, Beijing, China
| | - Zai Wang
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Huaping Dai
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,WHO Collaborating Centre for Tobacco Cessation and Respiratory Diseases Prevention, Beijing, China
| | - Chen Wang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,WHO Collaborating Centre for Tobacco Cessation and Respiratory Diseases Prevention, Beijing, China.,Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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136
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Mesenchymal Stem Cell-Based Therapy for Retinal Degenerative Diseases: Experimental Models and Clinical Trials. Cells 2021; 10:cells10030588. [PMID: 33799995 PMCID: PMC8001847 DOI: 10.3390/cells10030588] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 12/13/2022] Open
Abstract
Retinal degenerative diseases, such as age-related macular degeneration, retinitis pigmentosa, diabetic retinopathy or glaucoma, represent the main causes of a decreased quality of vision or even blindness worldwide. However, despite considerable efforts, the treatment possibilities for these disorders remain very limited. A perspective is offered by cell therapy using mesenchymal stem cells (MSCs). These cells can be obtained from the bone marrow or adipose tissue of a particular patient, expanded in vitro and used as the autologous cells. MSCs possess potent immunoregulatory properties and can inhibit a harmful inflammatory reaction in the diseased retina. By the production of numerous growth and neurotrophic factors, they support the survival and growth of retinal cells. In addition, MSCs can protect retinal cells by antiapoptotic properties and could contribute to the regeneration of the diseased retina by their ability to differentiate into various cell types, including the cells of the retina. All of these properties indicate the potential of MSCs for the therapy of diseased retinas. This view is supported by the recent results of numerous experimental studies in different preclinical models. Here we provide an overview of the therapeutic properties of MSCs, and their use in experimental models of retinal diseases and in clinical trials.
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137
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Popov LD. One step forward: extracellular mitochondria transplantation. Cell Tissue Res 2021; 384:607-612. [PMID: 33660051 DOI: 10.1007/s00441-021-03428-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 01/25/2021] [Indexed: 12/14/2022]
Abstract
Mitochondria play a key role in cellular energy production and contribute to cell metabolism, homeostasis, intracellular signalling and organelle's quality control, among other roles. Viable, respiratory-competent mitochondria exist also outside the cells. Such extracellular/exogenous mitochondria occur in the bloodstream, being released by platelets, activated monocytes and endothelial progenitor cells. In the nervous system, the cerebrospinal fluid contains mitochondria discharged by astrocytes. Various pathologies, including the cardiovascular and neurodegenerative diseases, are associated with mitochondrial dysfunction. A strategy to reverse dysfunction and restore cell normality is the transplantation of mitochondria (freshly isolated from a healthy tissue) into the zone at risk, such as the ischemic heart and/or damaged nervous tissue. The functional exogenous mitochondria will replace the harmed ones, ensuing cardioprotective and neuroprotective effects. The diversity of transplantation settings (in vitro, in animal models and patients) offered variable answers (including lack of consensus) on efficacy of this strategy. Therefore, a critical overview of the current and future trends in mitochondrial transplantation seems to be required. Here, we outline the recent developments on (i) extracellular mitochondria types and roles, (ii) transplantation protocols, (iii) mechanisms of mitochondrial incorporation, (iv) the benefit of extracellular mitochondria transplantation in human health and diseases and (v) open questions that deserve urgent answers.
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Affiliation(s)
- Lucia-Doina Popov
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, 8, B.P. Hasdeu Street, 050568, Bucharest, Romania.
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138
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Caicedo A, Zambrano K, Sanon S, Luis Vélez J, Montalvo M, Jara F, Moscoso SA, Vélez P, Maldonado A, Velarde G. The diversity and coexistence of extracellular mitochondria in circulation: A friend or foe of the immune system. Mitochondrion 2021; 58:270-284. [PMID: 33662580 DOI: 10.1016/j.mito.2021.02.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 02/10/2021] [Accepted: 02/18/2021] [Indexed: 01/22/2023]
Abstract
The diversity and coexistence of extracellular mitochondria may have a key role in the maintenance of health and progression of disease. Studies report that active mitochondria can be found physiologically outside of cells and circulating in the blood without inducing an inflammatory response. In addition, inactive or harmed mitochondria have been recognized as activators of immune cells, as they play an essential role in diseases characterized by the metabolic deregulation of these cells, such as sepsis. In this review we analyze key aspects regarding the existence of a diversity of extracellular mitochondria, their coexistence in body fluids and their effects on various immune cells. Additionally, we introduce models of how extracellular mitochondria could be interacting to maintain health and affect disease prognosis. Unwrapped mitochondria (freeMitos) can exist as viable, active, inactive or harmed organelles. Mitochondria can also be found wrapped in a membrane (wrappedMitos) that may differ depending on the cell of origin. Mitochondrial fragments can also be present in various body fluids as DAMPs, as mtDNA enclosed in vesicles or as circulating-cell-free mtDNA (ccf-mtDNA). Interestingly, the great quantity of evidence regarding the levels of ccf-mtDNA and their correlation with aging and disease allows for the identification of the diversity, but not type, of extracellular mitochondria. The existence of a diversity of mitochondria and their effects on immune cells opens a new concept in the biomedical field towards the understanding of health, the progression of disease and the development of mitochondria as therapeutic agents.
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Affiliation(s)
- Andrés Caicedo
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; Sistemas Médicos SIME, Universidad San Francisco de Quito, Quito, Ecuador.
| | - Kevin Zambrano
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; School for Mental Health and Neuroscience (MHeNs), Maastricht University, Maastricht, The Netherlands; Instituto de Neurociencias, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Serena Sanon
- Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; Cornell University - Ithaca, United States
| | - Jorge Luis Vélez
- Universidad Central del Ecuador, Facultad de Ciencias Médicas, Quito, Ecuador; Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
| | - Mario Montalvo
- Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
| | - Fernando Jara
- Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
| | - Santiago Aguayo Moscoso
- Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
| | - Pablo Vélez
- Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
| | - Augusto Maldonado
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, United States; Hospital General Docente de Calderón, Quito, Ecuador
| | - Gustavo Velarde
- Universidad Central del Ecuador, Facultad de Ciencias Médicas, Quito, Ecuador; Hospital Pablo Arturo Suárez, Unidad de Terapia Intensiva y Centro de Investigación Clínica, Quito, Ecuador
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139
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Caicedo A, Zambrano K, Sanon S, Gavilanes AWD. Extracellular mitochondria in the cerebrospinal fluid (CSF): Potential types and key roles in central nervous system (CNS) physiology and pathogenesis. Mitochondrion 2021; 58:255-269. [PMID: 33662579 DOI: 10.1016/j.mito.2021.02.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/07/2021] [Accepted: 02/12/2021] [Indexed: 12/12/2022]
Abstract
The cerebrospinal fluid (CSF) has an important role in the transport of nutrients and signaling molecules to the central nervous and immune systems through its circulation along the brain and spinal cord tissues. The mitochondrial activity in the central nervous system (CNS) is essential in processes such as neuroplasticity, neural differentiation and production of neurotransmitters. Interestingly, extracellular and active mitochondria have been detected in the CSF where they act as a biomarker for the outcome of pathologies such as subarachnoid hemorrhage and delayed cerebral ischemia. Additionally, cell-free-circulating mitochondrial DNA (ccf-mtDNA) has been detected in both the CSF of healthy donors and in that of patients with neurodegenerative diseases. Key questions arise as there is still much debate regarding if ccf-mtDNA detected in CSF is associated with a diversity of active or inactive extracellular mitochondria coexisting in distinct pathologies. Additionally, it is of great scientific and medical importance to identify the role of extracellular mitochondria (active and inactive) in the CSF and the difference between them being damage associated molecular patterns (DAMPs) or factors that promote homeostasis. This review analyzes the different types of extracellular mitochondria, methods for their identification and their presence in CSF. Extracellular mitochondria in the CSF could have an important implication in health and disease, which may lead to the development of medical approaches that utilize mitochondria as therapeutic agents.
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Affiliation(s)
- Andrés Caicedo
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; Sistemas Médicos SIME, Universidad San Francisco de Quito, Quito, Ecuador.
| | - Kevin Zambrano
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; School for Mental Health and Neuroscience (MHeNs), Maastricht University, Maastricht, The Netherlands; Instituto de Neurociencias, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Serena Sanon
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina, Quito, Ecuador; Mito-Act Research Consortium, Quito, Ecuador; Cornell University, Ithaca, United States
| | - Antonio W D Gavilanes
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador; School for Mental Health and Neuroscience (MHeNs), Maastricht University, Maastricht, The Netherlands
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140
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Yang YK, Li Y, Wang YY, Ruan GP, Tian C, Wang Q, He HY, Zhu GH, Fang D, Wang M, Zhu XQ, Pan XH. The effects of BMMSC treatment on lung tissue degeneration in elderly macaques. Stem Cell Res Ther 2021; 12:156. [PMID: 33648583 PMCID: PMC7923486 DOI: 10.1186/s13287-021-02201-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/31/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Age-associated lung tissue degeneration is a risk factor for lung injury and exacerbated lung disease. It is also the main risk factor for chronic lung diseases (such as COPD, idiopathic pulmonary fibrosis, cancer, among others). So, it is particularly important to find new anti-aging treatments. METHODS We systematically screened and evaluated elderly senile multiple organ dysfunction macaque models to determine whether BMMSCs inhibited lung tissue degeneration. RESULTS The average alveolar area, mean linear intercept (MLI), and fibrosis area in the elderly macaque models were significantly larger than in young rhesus monkeys (p < 0.05), while the capillary density around the alveoli was significantly low than in young macaque models (p < 0.05). Intravenous infusion of BMMSCs reduced the degree of pulmonary fibrosis, increased the density of capillaries around the alveoli (p < 0.05), and the number of type II alveolar epithelium in elderly macaques (p < 0.05). In addition, the infusion reduced lung tissue ROS levels, systemic and lung tissue inflammatory levels, and Treg cell ratio in elderly macaque models (p < 0.05). Indirect co-cultivation revealed that BMMSCs suppressed the expression of senescence-associated genes, ROS levels, apoptosis rate of aging type II alveolar epithelial cells (A549 cells), and enhanced their proliferation (p < 0.05). CONCLUSIONS BMMSC treatment inhibited age-associated lung tissue degeneration.
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Affiliation(s)
- Yu-Kun Yang
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
- Kunming Medical University, Kunming, Yunnan Province, China
| | - Ye Li
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
- Kunming Medical University, Kunming, Yunnan Province, China
| | - Yan-Ying Wang
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
| | - Guang-Ping Ruan
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
| | - Chuan Tian
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
| | - Qiang Wang
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China
| | - Huan-Yu He
- Kunming Medical University, Kunming, Yunnan Province, China
| | - Gao-Hong Zhu
- Department of Nuclear Medicine, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Dong Fang
- Department of Nuclear Medicine, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Mao Wang
- Department of Nuclear Medicine, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Xiang-Qing Zhu
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China.
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China.
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China.
- Kunming Medical University, Kunming, Yunnan Province, China.
| | - Xing-Hua Pan
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China.
- Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan Province, China.
- Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan Province, China.
- Kunming Medical University, Kunming, Yunnan Province, China.
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141
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Atkinson SP. A preview of selected articles. Stem Cells 2021; 38:465-468. [PMID: 32232931 DOI: 10.1002/stem.3172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/03/2020] [Indexed: 11/10/2022]
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142
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Platelets: the peripheral donor of mitochondria for diabetes-induced cognitive impairment. Clin Sci (Lond) 2021; 135:593-595. [PMID: 33599730 DOI: 10.1042/cs20201297] [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: 11/24/2020] [Revised: 02/07/2021] [Accepted: 02/10/2021] [Indexed: 11/17/2022]
Abstract
This commentary highlights the research entitled: Transplantation of platelet-derived mitochondria alleviates cognitive impairment and mitochondrial dysfunction in db/db mice, presented by Ma et al. appearing in Clinical Science (2020) 134(16), https://doi.org/10.1042/CS20200530. The authors evaluated the effect of xenograft transplantation of mitochondria isolated from peripheral blood platelets in an animal model of type II diabetes and evaluated the effects of transplantation on diabetes-associated cognitive impairment (DACI). They showed cognitive and molecular improvement in response to mitochondrial transplantation to db/db mice brains. Besides, they showed better internalization of the transplanted mitochondria into the diseased animals' hippocampal cells compared with the healthy normal control.
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143
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Yan W, Diao S, Fan Z. The role and mechanism of mitochondrial functions and energy metabolism in the function regulation of the mesenchymal stem cells. Stem Cell Res Ther 2021; 12:140. [PMID: 33597020 PMCID: PMC7890860 DOI: 10.1186/s13287-021-02194-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 01/26/2021] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are multipotent cells that show self-renewal, multi-directional differentiation, and paracrine and immune regulation. As a result of these properties, the MSCs have great clinical application prospects, especially in the regeneration of injured tissues, functional reconstruction, and cell therapy. However, the transplanted MSCs are prone to ageing and apoptosis and have a difficult to control direction differentiation. Therefore, it is necessary to effectively regulate the functions of the MSCs to promote their desired effects. In recent years, it has been found that mitochondria, the main organelles responsible for energy metabolism and adenosine triphosphate production in cells, play a key role in regulating different functions of the MSCs through various mechanisms. Thus, mitochondria could act as effective targets for regulating and promoting the functions of the MSCs. In this review, we discuss the research status and current understanding of the role and mechanism of mitochondrial energy metabolism, morphology, transfer modes, and dynamics on MSC functions.
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Affiliation(s)
- Wanhao Yan
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China.,Research Unit of Tooth Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Shu Diao
- Department of Pediatric dentistry, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Zhipeng Fan
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China. .,Research Unit of Tooth Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China.
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144
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Intercellular mitochondrial transfer as a means of tissue revitalization. Signal Transduct Target Ther 2021; 6:65. [PMID: 33589598 PMCID: PMC7884415 DOI: 10.1038/s41392-020-00440-z] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 11/04/2020] [Accepted: 11/24/2020] [Indexed: 01/31/2023] Open
Abstract
As the crucial powerhouse for cell metabolism and tissue survival, the mitochondrion frequently undergoes morphological or positional changes when responding to various stresses and energy demands. In addition to intracellular changes, mitochondria can also be transferred intercellularly. Besides restoring stressed cells and damaged tissues due to mitochondrial dysfunction, the intercellular mitochondrial transfer also occurs under physiological conditions. In this review, the phenomenon of mitochondrial transfer is described according to its function under both physiological and pathological conditions, including tissue homeostasis, damaged tissue repair, tumor progression, and immunoregulation. Then, the mechanisms that contribute to this process are summarized, such as the trigger factors and transfer routes. Furthermore, various perspectives are explored to better understand the mysteries of cell-cell mitochondrial trafficking. In addition, potential therapeutic strategies for mitochondria-targeted application to rescue tissue damage and degeneration, as well as the inhibition of tumor progression, are discussed.
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145
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Carinci M, Vezzani B, Patergnani S, Ludewig P, Lessmann K, Magnus T, Casetta I, Pugliatti M, Pinton P, Giorgi C. Different Roles of Mitochondria in Cell Death and Inflammation: Focusing on Mitochondrial Quality Control in Ischemic Stroke and Reperfusion. Biomedicines 2021; 9:biomedicines9020169. [PMID: 33572080 PMCID: PMC7914955 DOI: 10.3390/biomedicines9020169] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Mitochondrial dysfunctions are among the main hallmarks of several brain diseases, including ischemic stroke. An insufficient supply of oxygen and glucose in brain cells, primarily neurons, triggers a cascade of events in which mitochondria are the leading characters. Mitochondrial calcium overload, reactive oxygen species (ROS) overproduction, mitochondrial permeability transition pore (mPTP) opening, and damage-associated molecular pattern (DAMP) release place mitochondria in the center of an intricate series of chance interactions. Depending on the degree to which mitochondria are affected, they promote different pathways, ranging from inflammatory response pathways to cell death pathways. In this review, we will explore the principal mitochondrial molecular mechanisms compromised during ischemic and reperfusion injury, and we will delineate potential neuroprotective strategies targeting mitochondrial dysfunction and mitochondrial homeostasis.
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Affiliation(s)
- Marianna Carinci
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Bianca Vezzani
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Simone Patergnani
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Peter Ludewig
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Katrin Lessmann
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Tim Magnus
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Ilaria Casetta
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (M.P.)
| | - Maura Pugliatti
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (M.P.)
| | - Paolo Pinton
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Carlotta Giorgi
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
- Correspondence:
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146
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Liu K, Zhou Z, Pan M, Zhang L. Stem cell-derived mitochondria transplantation: A promising therapy for mitochondrial encephalomyopathy. CNS Neurosci Ther 2021; 27:733-742. [PMID: 33538116 PMCID: PMC8193690 DOI: 10.1111/cns.13618] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/13/2021] [Accepted: 01/13/2021] [Indexed: 12/21/2022] Open
Abstract
Mitochondrial encephalomyopathies are disorders caused by mitochondrial and nuclear DNA mutations which affect the nervous and muscular systems. Current therapies for mitochondrial encephalomyopathies are inadequate and mostly palliative. However, stem cell‐derived mitochondria transplantation has been demonstrated to play an key part in metabolic rescue, which offers great promise for mitochondrial encephalomyopathies. Here, we summarize the present status of stem cell therapy for mitochondrial encephalomyopathy and discuss mitochondrial transfer routes and the protection mechanisms of stem cells. We also identify and summarize future perspectives and challenges for the treatment of these intractable disorders based on the concept of mitochondrial transfer from stem cells.
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Affiliation(s)
- Kaiming Liu
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhijian Zhou
- Department of Neurology, Shaoxing Hospital of Traditional Chinese Medicine, Affiliated with Zhejiang Chinese Medical University, Shaoxing, China
| | - Mengxiong Pan
- Department of Neurology, First People's Hospital of Huzhou, Huzhou, China
| | - Lining Zhang
- Shanghai Jiaotong University School of Medicine, Shanghai, China
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147
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Jamshidi E, Babajani A, Soltani P, Niknejad H. Proposed Mechanisms of Targeting COVID-19 by Delivering Mesenchymal Stem Cells and Their Exosomes to Damaged Organs. Stem Cell Rev Rep 2021; 17:176-192. [PMID: 33432484 PMCID: PMC7799400 DOI: 10.1007/s12015-020-10109-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2020] [Indexed: 12/13/2022]
Abstract
With the outbreak of coronavirus disease (COVID-19) caused by novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the world has been facing an unprecedented challenge. Considering the lack of appropriate therapy for COVID-19, it is crucial to develop effective treatments instead of supportive approaches. Mesenchymal stem cells (MSCs) as multipotent stromal cells have been shown to possess treating potency through inhibiting or modulating the pathological events in COVID-19. MSCs and their exosomes participate in immunomodulation by controlling cell-mediated immunity and cytokine release. Furthermore, they repair the renin-angiotensin-aldosterone system (RAAS) malfunction, increase alveolar fluid clearance, and reduce the chance of hypercoagulation. Besides the lung, which is the primary target of SARS-CoV-2, the heart, kidney, nervous system, and gastrointestinal tract are also affected by COVID-19. Thus, the efficacy of targeting these organs via different delivery routes of MSCs and their exosomes should be evaluated to ensure safe and effective MSCs administration in COVID-19. This review focuses on the proposed therapeutic mechanisms and delivery routes of MSCs and their exosomes to the damaged organs. It also discusses the possible application of primed and genetically modified MSCs as a promising drug delivery system in COVID-19. Moreover, the recent advances in the clinical trials of MSCs and MSCs-derived exosomes as one of the promising therapeutic approaches in COVID-19 have been reviewed.
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Affiliation(s)
- Elham Jamshidi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirhesam Babajani
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pegah Soltani
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Niknejad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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148
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Kim JY, Park S, Park SH, Lee D, Kim GH, Noh JE, Lee KJ, Kim GJ. Overexpression of pigment epithelium-derived factor in placenta-derived mesenchymal stem cells promotes mitochondrial biogenesis in retinal cells. J Transl Med 2021; 101:51-69. [PMID: 32724163 DOI: 10.1038/s41374-020-0470-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 06/05/2020] [Accepted: 07/12/2020] [Indexed: 01/13/2023] Open
Abstract
Pigment epithelium-derived factor (PEDF) plays a role in protecting retinal pigment epithelial (RPE) cells from oxidative stress (OS), a causative factor of RPE cell death. Genetically modified mesenchymal stem cells (MSCs) can be used to treat critical and incurable retinal diseases. Here, we overexpressed PEDF in placenta-derived MSCs (PD-MSCsPEDF, PEDF+) using a nonviral gene delivery system and evaluated the characteristics of PD-MSCsPEDF and their potential regenerative effects on RPE cells damaged by H2O2-induced OS. PD-MSCsPEDF maintained their stemness, cell surface marker, and differentiation potential characteristics. Compared to naive cells, PD-MSCsPEDF promoted mitochondrial respiration by enhancing biogenesis regulators (e.g., NRF1, PPARGC1A, and TFAM) as well as antioxidant enzymes (e.g., HMOXs, SODs, and GPX1). Compared to OS-damaged RPE cells cocultured with naive cells, OS-damaged RPE cells cocultured with PD-MSCsPEDF showed PEDF upregulation and VEGF downregulation. The expression levels of antioxidant genes and RPE-specific genes, such as RPE65, RGR, and RRH, were significantly increased in RPE cells cocultured with PD-MSCsPEDF. Furthermore, OS-damaged RPE cells cocultured with PD-MSCsPEDF had dramatically enhanced mitochondrial functions, and antiapoptotic effects improved due to cell survival signaling pathways. In the H2O2-induced retinal degeneration rat model, compared to administration of the naive counterpart, intravitreal administration of PD-MSCsPEDF alleviated proinflammatory cytokines and restored retinal structure and function by increasing PEDF expression and decreasing VEGF expression. Intravitreal administration of PD-MSCsPEDF also protected retinal degeneration against OS by increasing antioxidant gene expression and regulating the mitochondrial ROS levels and biogenesis. Taken together, PEDF overexpression in PD-MSCs improved the mitochondrial activities and induced OS-damaged RPE cell regeneration by regulating the oxidative status and mitochondrial biogenesis in vitro and in vivo. These data suggest that genetic modification of PEDF in PD-MSCs might be a new cell therapy for the treatment of retinal degenerative diseases.
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Affiliation(s)
- Jae Yeon Kim
- Department of Biomedical Science, CHA University, Seongnam, 13488, Republic of Korea
| | - Sohae Park
- Department of Biomedical Science, CHA University, Seongnam, 13488, Republic of Korea
| | - So Hyun Park
- Paju 365 Veterinary Medical Center, Paju, 10892, Republic of Korea
| | - Dongsook Lee
- Hamchoon Women's clinic, Research Center of Fertility & Genetics, Seoul, 06643, Republic of Korea
| | - Gyu Hyun Kim
- Neural Circuits Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Jung Eun Noh
- Neural Circuits Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Kea Joo Lee
- Neural Circuits Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Gi Jin Kim
- Department of Biomedical Science, CHA University, Seongnam, 13488, Republic of Korea.
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149
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Lv X, Niu H. Mesenchymal Stem Cell Transplantation for the Treatment of Cognitive Frailty. J Nutr Health Aging 2021; 25:795-801. [PMID: 34179936 DOI: 10.1007/s12603-021-1632-4] [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] [Indexed: 11/30/2022]
Abstract
As life expectancy increases, frailty and cognitive impairment have become major factors influencing healthy aging in elderly individuals. Frailty is a complicated clinical condition characterized by decreased physiological reserve and multisystem abnormalities. Cognitive frailty is a subtype of frailty that has aroused widespread concern among the scientific community and public health organizations. We herein review the pathogenesis of cognitive frailty, such as chronic inflammatory response, immunological hypofunction, imbalanced oxidative stress, reduced regenerative function, endocrine dysfunction, and energy metabolism disorder. Although existing interventions show some therapeutic effects, they do not meet the current clinical needs. To date, studies using stem cell technology for treating age-related diseases have achieved remarkable success. This suggests the possibility of applying stem cell treatment to cognitive frailty. We analyzed stem cell-based strategies for targeting anti-inflammation, antioxidation, regeneration, and immunoregulation using mesenchymal stem cells, as well as potential therapeutic targets for cognitive frailty. Based on this investigation, we propose a highly effective and low-cost stem cell-based replacement strategy. However, there is a lack of comprehensive research on the prospect of stem cell transplantation for improving cognitive frailty. In this review, we aim to provide the scientific background and a theoretical basis for testing cell therapy in future research.
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Affiliation(s)
- X Lv
- Huiyan Niu, 36 Sanhao street, Shenyang, Liaoning province, China, Tel :+86 18940255686,
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150
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Vasanthan J, Gurusamy N, Rajasingh S, Sigamani V, Kirankumar S, Thomas EL, Rajasingh J. Role of Human Mesenchymal Stem Cells in Regenerative Therapy. Cells 2020; 10:E54. [PMID: 33396426 PMCID: PMC7823630 DOI: 10.3390/cells10010054] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/27/2020] [Accepted: 12/29/2020] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are multipotent cells which can proliferate and replace dead cells in the body. MSCs also secrete immunomodulatory molecules, creating a regenerative microenvironment that has an excellent potential for tissue regeneration. MSCs can be easily isolated and grown in vitro for various applications. For the past two decades, MSCs have been used in research, and many assays and tests have been developed proving that MSCs are an excellent cell source for therapy. This review focusses on quality control parameters required for applications of MSCs including colony formation, surface markers, differentiation potentials, and telomere length. Further, the specific mechanisms of action of MSCs under various conditions such as trans-differentiation, cell fusion, mitochondrial transfer, and secretion of extracellular vesicles are discussed. This review aims to underline the applications and benefits of MSCs in regenerative medicine and tissue engineering.
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Affiliation(s)
- Jayavardini Vasanthan
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
- Department of Genetic Engineering, SRM Institute of Science and Technology, Chennai 600036, India
| | - Narasimman Gurusamy
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
| | - Sheeja Rajasingh
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
| | - Vinoth Sigamani
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
| | - Shivaani Kirankumar
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
- Department of Genetic Engineering, SRM Institute of Science and Technology, Chennai 600036, India
| | - Edwin L. Thomas
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Johnson Rajasingh
- Department of Bioscience Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (J.V.); (N.G.); (S.R.); (V.S.); (S.K.); (E.L.T.)
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
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