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Huang RL, Li Q, Ma JX, Atala A, Zhang Y. Body fluid-derived stem cells - an untapped stem cell source in genitourinary regeneration. Nat Rev Urol 2023; 20:739-761. [PMID: 37414959 DOI: 10.1038/s41585-023-00787-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2023] [Indexed: 07/08/2023]
Abstract
Somatic stem cells have been obtained from solid organs and tissues, including the bone marrow, placenta, corneal stroma, periosteum, adipose tissue, dental pulp and skeletal muscle. These solid tissue-derived stem cells are often used for tissue repair, disease modelling and new drug development. In the past two decades, stem cells have also been identified in various body fluids, including urine, peripheral blood, umbilical cord blood, amniotic fluid, synovial fluid, breastmilk and menstrual blood. These body fluid-derived stem cells (BFSCs) have stemness properties comparable to those of other adult stem cells and, similarly to tissue-derived stem cells, show cell surface markers, multi-differentiation potential and immunomodulatory effects. However, BFSCs are more easily accessible through non-invasive or minimally invasive approaches than solid tissue-derived stem cells and can be isolated without enzymatic tissue digestion. Additionally, BFSCs have shown good versatility in repairing genitourinary abnormalities in preclinical models through direct differentiation or paracrine mechanisms such as pro-angiogenic, anti-apoptotic, antifibrotic, anti-oxidant and anti-inflammatory effects. However, optimization of protocols is needed to improve the efficacy and safety of BFSC therapy before therapeutic translation.
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Affiliation(s)
- Ru-Lin Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian-Xing Ma
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Anthony Atala
- Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Yuanyuan Zhang
- Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA.
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2
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Abstract
The lung is the primary site of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced immunopathology whereby the virus enters the host cells by binding to angiotensin-converting enzyme 2 (ACE2). Sophisticated regeneration and repair programs exist in the lungs to replenish injured cell populations. However, known resident stem/progenitor cells have been demonstrated to express ACE2, raising a substantial concern regarding the long-term consequences of impaired lung regeneration after SARS-CoV-2 infection. Moreover, clinical treatments may also affect lung repair from antiviral drug candidates to mechanical ventilation. In this review, we highlight how SARS-CoV-2 disrupts a program that governs lung homeostasis. We also summarize the current efforts of targeted therapy and supportive treatments for COVID-19 patients. In addition, we discuss the pros and cons of cell therapy with mesenchymal stem cells or resident lung epithelial stem/progenitor cells in preventing post-acute sequelae of COVID-19. We propose that, in addition to symptomatic treatments being developed and applied in the clinic, targeting lung regeneration is also essential to restore lung homeostasis in COVID-19 patients.
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Affiliation(s)
- Fuxiaonan Zhao
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Qingwen Ma
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Qing Yue
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Huaiyong Chen
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin Haihe Hospital, Tianjin, China
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
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3
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Gu C, Zhang Q, Ni D, Xiao QF, Cao LF, Fei CY, Ying Y, Li N, Tao F. Therapeutic Effects of SRT2104 on Lung Injury in Rats with Emphysema via Reduction of Type II Alveolar Epithelial Cell Senescence. COPD 2020; 17:444-451. [PMID: 32722945 DOI: 10.1080/15412555.2020.1797657] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is one of the most prevalent and severe diseases worldwide with high societal and health care costs. The pathogenesis of COPD is very complicated, and no curative treatment is available. Cellular senescence promotes the development of COPD. Type II alveolar epithelial cells (AECII) play a momentous role in lung tissue repair and maintenance of alveolar homeostasis. Sirtuin 1 (SIRT1), an antiaging molecule involved in the response to chronic inflammation and oxidative stress, regulates many pathophysiological changes including stress resistance, apoptosis, inflammation, and cellular senescence. This study aimed to investigate whether the pharmacological SIRT1 activator SRT2104 protects against AECII senescence in rats with emphysema. Our findings confirmed that SRT2104 administration reduced the pathological characteristics of emphysema and improved lung function parameters, including pulmonary resistance, pulmonary dynamic compliance, and peak expiratory flow. Moreover, SRT2104 treatment upregulated the expression of surfactant proteins A and C, SIRT1, and forkhead box O 3a (FoxO3a), decreased senescence-associated-β-galactosidase (SA-β-gal) activity, increased SIRT1 deacetylase activity, and downregulated the levels of p53 and p21. Therefore, SRT2104 administration protected against AECII senescence in rats with emphysema via SIRT1/FoxO3a and SIRT1/p53 signaling pathways and may provide a novel potential therapeutic strategy for COPD.
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Affiliation(s)
- Chao Gu
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Qi Zhang
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Dan Ni
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Qin-Feng Xiao
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Lin-Feng Cao
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Chun-Yuan Fei
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Ying Ying
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Na Li
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
| | - Feng Tao
- Department of Respiratory Medicine, The First Hospital of Jiaxing (the Affiliated Hospital of Jiaxing University), Jiaxing, Zhejiang, People's Republic of China
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Cell-Based Therapeutic Approaches for Cystic Fibrosis. Int J Mol Sci 2020; 21:ijms21155219. [PMID: 32718005 PMCID: PMC7432606 DOI: 10.3390/ijms21155219] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/20/2020] [Accepted: 07/20/2020] [Indexed: 01/01/2023] Open
Abstract
Cystic Fibrosis (CF) is a chronic autosomal recessive disease caused by defects in the cystic fibrosis transmembrane conductance regulator gene (CFTR). Cystic Fibrosis affects multiple organs but progressive remodeling of the airways, mucus accumulation, and chronic inflammation in the lung, result in lung disease as the major cause of morbidity and mortality. While advances in management of CF symptoms have increased the life expectancy of this devastating disease, and there is tremendous excitement about the potential of new agents targeting the CFTR molecule itself, there is still no curative treatment. With the recent advances in the identification of endogenous airway progenitor cells and in directed differentiation of pluripotent cell sources, cell-based therapeutic approaches for CF have become a plausible treatment method with the potential to ultimately cure the disease. In this review, we highlight the current state of cell therapy in the CF field focusing on the relevant autologous and allogeneic cell populations under investigation and the challenges associated with their use. In addition, we present advances in induced pluripotent stem (iPS) cell approaches and emerging new genetic engineering methods, which have the capacity to overcome the current limitations hindering cell therapy approaches.
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Harrell CR, Gazdic M, Fellabaum C, Jovicic N, Djonov V, Arsenijevic N, Volarevic V. Therapeutic Potential of Amniotic Fluid Derived Mesenchymal Stem Cells Based on their Differentiation Capacity and Immunomodulatory Properties. Curr Stem Cell Res Ther 2019; 14:327-336. [PMID: 30806325 DOI: 10.2174/1574888x14666190222201749] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 10/30/2018] [Accepted: 01/23/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Amniotic Fluid Derived Mesenchymal Stem Cells (AF-MSCs) are adult, fibroblast- like, self-renewable, multipotent stem cells. During the last decade, the therapeutic potential of AF-MSCs, based on their huge differentiation capacity and immunomodulatory characteristics, has been extensively explored in animal models of degenerative and inflammatory diseases. OBJECTIVE In order to describe molecular mechanisms responsible for the therapeutic effects of AFMSCs, we summarized current knowledge about phenotype, differentiation potential and immunosuppressive properties of AF-MSCs. METHODS An extensive literature review was carried out in March 2018 across several databases (MEDLINE, EMBASE, Google Scholar), from 1990 to present. Keywords used in the selection were: "amniotic fluid derived mesenchymal stem cells", "cell-therapy", "degenerative diseases", "inflammatory diseases", "regeneration", "immunosuppression". Studies that emphasized molecular and cellular mechanisms responsible for AF-MSC-based therapy were analyzed in this review. RESULTS AF-MSCs have huge differentiation and immunosuppressive potential. AF-MSCs are capable of generating cells of mesodermal origin (chondrocytes, osteocytes and adipocytes), neural cells, hepatocytes, alveolar epithelial cells, insulin-producing cells, cardiomyocytes and germ cells. AF-MSCs, in juxtacrine or paracrine manner, regulate proliferation, activation and effector function of immune cells. Due to their huge differentiation capacity and immunosuppressive characteristic, transplantation of AFMSCs showed beneficent effects in animal models of degenerative and inflammatory diseases of nervous, respiratory, urogenital, cardiovascular and gastrointestinal system. CONCLUSION Considering the fact that amniotic fluid is obtained through routine prenatal diagnosis, with minimal invasive procedure and without ethical concerns, AF-MSCs represents a valuable source for cell-based therapy of organ-specific or systemic degenerative and inflammatory diseases.
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Affiliation(s)
- Carl R Harrell
- Regenerative Processing Plant-RPP, LLC, 34176 US Highway 19 N Palm Harbor, Palm Harbor, FL, United States
| | - Marina Gazdic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac, 69 Svetozar Markovic Street, 34000 Kragujevac, Serbia
| | - Crissy Fellabaum
- Regenerative Processing Plant-RPP, LLC, 34176 US Highway 19 N Palm Harbor, Palm Harbor, FL, United States
| | - Nemanja Jovicic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac, 69 Svetozar Markovic Street, 34000 Kragujevac, Serbia
| | - Valentin Djonov
- Institute of Anatomy University of Bern, Baltzerstrasse 2, 3012 Bern, Switzerland
| | - Nebojsa Arsenijevic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac, 69 Svetozar Markovic Street, 34000 Kragujevac, Serbia
| | - Vladislav Volarevic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac, 69 Svetozar Markovic Street, 34000 Kragujevac, Serbia
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Adipose Tissue-Derived Stem Cells Have the Ability to Differentiate into Alveolar Epithelial Cells and Ameliorate Lung Injury Caused by Elastase-Induced Emphysema in Mice. Stem Cells Int 2019; 2019:5179172. [PMID: 31281377 PMCID: PMC6590553 DOI: 10.1155/2019/5179172] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/20/2019] [Accepted: 05/06/2019] [Indexed: 12/17/2022] Open
Abstract
Chronic obstructive pulmonary disease is a leading cause of mortality globally, with no effective therapy yet established. Adipose tissue-derived stem cells (ADSCs) are useful for ameliorating lung injury in animal models. However, whether ADSCs differentiate into functional cells remains uncertain, and no study has reported on the mechanism by which ADSCs improve lung functionality. Thus, in this study, we examined whether ADSCs differentiate into lung alveolar cells and are able to ameliorate lung injury caused by elastase-induced emphysema in model mice. Here, we induced ADSCs to differentiate into type 2 alveolar epithelial cells in vitro. We demonstrated that ADSCs can differentiate into type 2 alveolar epithelial cells in an elastase-induced emphysematous lung and that ADSCs improve pulmonary function of emphysema model mice, as determined with spirometry and 129Xe MRI. These data revealed a novel function for ADSCs in promoting repair of the damaged lung by direct differentiation into alveolar epithelial cells.
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Mesenchymal Stem Cell-Based Therapy of Inflammatory Lung Diseases: Current Understanding and Future Perspectives. Stem Cells Int 2019; 2019:4236973. [PMID: 31191672 PMCID: PMC6525794 DOI: 10.1155/2019/4236973] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 02/06/2019] [Accepted: 02/14/2019] [Indexed: 12/16/2022] Open
Abstract
During acute or chronic lung injury, inappropriate immune response and/or aberrant repair process causes irreversible damage in lung tissue and most usually results in the development of fibrosis followed by decline in lung function. Inhaled corticosteroids and other anti-inflammatory drugs are very effective in patients with inflammatory lung disorders, but their long-term use is associated with severe side effects. Accordingly, new therapeutic agents that will attenuate ongoing inflammation and, at the same time, promote regeneration of injured alveolar epithelial cells are urgently needed. Mesenchymal stem cells (MSCs) are able to modulate proliferation, activation, and effector function of all immune cells that play an important role in the pathogenesis of acute and chronic inflammatory lung diseases. In addition to the suppression of lung-infiltrated immune cells, MSCs have potential to differentiate into alveolar epithelial cells in vitro and, accordingly, represent new players in cell-based therapy of inflammatory lung disorders. In this review article, we described molecular mechanisms involved in MSC-based therapy of acute and chronic pulmonary diseases and emphasized current knowledge and future perspectives related to the therapeutic application of MSCs in patients suffering from acute respiratory distress syndrome, pneumonia, asthma, chronic obstructive pulmonary diseases, and idiopathic pulmonary fibrosis.
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Lesage F, Zia S, Jiménez J, Deprest J, Toelen J. The amniotic fluid as a source of mesenchymal stem cells with lung-specific characteristics. Prenat Diagn 2017; 37:1093-1099. [PMID: 28842991 DOI: 10.1002/pd.5147] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 08/11/2017] [Accepted: 08/19/2017] [Indexed: 11/11/2022]
Abstract
The amniotic fluid is a clinically accessible source of mesenchymal stem cells (AF-MSC) during gestation, which enables autologous cellular therapy for perinatal disorders. The origin of AF-MSC remains elusive: renal and neuronal progenitors have been isolated from the AF-MSC pool, yet no cells with pulmonary characteristics. We analyzed gene expression of pulmonary and renal markers of 212 clonal lines of AF-MSC isolated from amniocentesis samples. AF-MSC were cultured on dishes coated with extracellular matrix (ECM) proteins from decellularized fetal rabbit lungs. In vivo differentiation potential of AF-MSC that expressed markers suggestive of lung fate was tested by renal subcapsular injections in immunodeficient mice. Of all the isolated AF-MSC lines, 26% were positive for lung endodermal markers FOXA2 and NKX2.1 and lacked expression of renal markers (KSP). This AF-MSC subpopulation expressed other lung-specific factors, including IRX1, P63, FOXP2, LGR6, SFTC, and PDPN. Pulmonary marker expression decreased over passages when AF-MSC were cultured under conventional conditions, yet remained more stable when culturing the cells on lung ECM-coated dishes. Renal subcapsular injection of AF-MSC expressing lung-specific markers resulted in engrafted cells that were SPTB positive. These data suggest that FOXA2+/NKX2.1+/KSP- AF-MSC lines have lung characteristics which are supported by culture on lung ECM-coated dishes.
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Affiliation(s)
- Flore Lesage
- KU Leuven, Department of Development and Regeneration, Leuven, Belgium
| | - Silvia Zia
- KU Leuven, Department of Development and Regeneration, Leuven, Belgium
| | - Julio Jiménez
- Department of Obstetrics and Gynaecology, Clínica Alemana Universidad del Desarrollo, Santiago, Chile
| | - Jan Deprest
- KU Leuven, Department of Development and Regeneration, Leuven, Belgium.,University Hospitals Leuven, Department of Obstetrics and Gynecology, Leuven, Belgium.,Research Department of Maternal Fetal Medicine, UCL Institute for Women's Health, University College London, London, UK
| | - Jaan Toelen
- KU Leuven, Department of Development and Regeneration, Leuven, Belgium.,University Hospitals Leuven, Department of Pediatrics, Leuven, Belgium
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Gu C, Li Y, Liu J, Ying X, Liu Y, Yan J, Chen C, Zhou H, Cao L, Ma Y. LncRNA‑mediated SIRT1/FoxO3a and SIRT1/p53 signaling pathways regulate type II alveolar epithelial cell senescence in patients with chronic obstructive pulmonary disease. Mol Med Rep 2017; 15:3129-3134. [PMID: 28339038 DOI: 10.3892/mmr.2017.6367] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 02/09/2017] [Indexed: 11/06/2022] Open
Abstract
The loss of alveolar structure and airspace enlargement are major pathological changes in chronic obstructive pulmonary disease (COPD). Type II alveolar epithelial cells (AECII) are involved in maintaining lung tissue repair and alveolar homeostasis. Long non‑coding RNAs (lncRNAs) are involved in multi‑regulating gene transcription, affecting processes including embryonic development, cell differentiation and cellular senescence. The primary aim of the present study was to explore the mechanisms of AECII senescence regulated by lncRNA‑mediated sirtuin 1 (SIRT1) and forkhead box O 3a (FoxO3a) signaling pathways in patients with COPD. Lung tissues from patients with COPD exhibited pathological characteristics and significantly increased senescence‑associated β‑galactosidase activity. Furthermore, the expression levels of senescence‑associated lncRNA1 (SAL‑RNA1), SIRT1 and FoxO3a were reduced, but SAL‑RNA2, SAL‑RNA3, p53 and p21 were upregulated in the lung tissues of patients with COPD compared with control. The results of the present study indicated that lncRNA‑mediated SIRT1/p53 and FoxO3a signaling pathways may regulate AECII senescence in the pathogenesis of COPD, which may provide a novel experimental basis for the treatment of COPD.
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Affiliation(s)
- Chao Gu
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Yaqing Li
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Jialiang Liu
- Department of Respiratory Medicine, The First Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
| | - Xiwang Ying
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Yuanshun Liu
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Jianping Yan
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Chun Chen
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Hongbin Zhou
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Liming Cao
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Yingyu Ma
- Clinical Research Institute, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
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Mesenchymal stem cells: Immunomodulatory capability and clinical potential in immune diseases. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.jocit.2014.12.001] [Citation(s) in RCA: 187] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Epigallocatechin-3-gallate Protects against Hydrogen Peroxide-Induced Inhibition of Osteogenic Differentiation of Human Bone Marrow-Derived Mesenchymal Stem Cells. Stem Cells Int 2016; 2016:7532798. [PMID: 26977159 PMCID: PMC4763004 DOI: 10.1155/2016/7532798] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/22/2015] [Accepted: 12/24/2015] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress induces bone loss and osteoporosis, and epigallocatechin-3-gallate (EGCG) may be used to combat these diseases due to its antioxidative property. Herein, oxidative stress in human bone marrow-derived mesenchymal stem cells (BM-MSCs) was induced by H2O2, resulting in an adverse effect on their osteogenic differentiation. However, this H2O2-induced adverse effect was nullified when the cells were treated with EGCG. In addition, treatment of BM-MSCs with EGCG alone also resulted in the enhancement of osteogenic differentiation of BM-MSCs. After EGCG treatment, expressions of β-catenin and cyclin D1 were upregulated, suggesting that the Wnt pathway was involved in the effects of EGCG on the osteogenic differentiation of BM-MSCs. This was also confirmed by the fact that the Wnt pathway inhibitor, Dickkopf-1 (DKK-1), can nullify the EGCG-induced enhancement effect on BM-MSC's osteogenic differentiation. Hence, our results suggested that EGCG can reduce the effects of oxidative stress on Wnt pathway in osteogenic cells, which supported a potentially promising therapy of bone disorders induced by oxidative stress. Considering its positive effects on BM-MSCs, EGCG may also be beneficial for stem cell-based bone repair.
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Peloso A, Dhal A, Zambon JP, Li P, Orlando G, Atala A, Soker S. Current achievements and future perspectives in whole-organ bioengineering. Stem Cell Res Ther 2015; 6:107. [PMID: 26028404 PMCID: PMC4450459 DOI: 10.1186/s13287-015-0089-y] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 05/06/2015] [Indexed: 12/11/2022] Open
Abstract
Irreversible end-stage organ failure represents one of the leading causes of death, and organ transplantation is currently the only curative solution. Donor organ shortage and adverse effects of immunosuppressive regimens are the major limiting factors for this definitive practice. Recent developments in bioengineering and regenerative medicine could provide a solid base for the future creation of implantable, bioengineered organs. Whole-organ detergent-perfusion protocols permit clinicians to gently remove all the cells and at the same time preserve the natural three-dimensional framework of the native organ. Several decellularized organs, including liver, kidney, and pancreas, have been created as a platform for further successful seeding. These scaffolds are composed of organ-specific extracellular matrix that contains growth factors important for cellular growth and function. Macro- and microvascular tree is entirely maintained and can be incorporated in the recipient's vascular system after the implant. This review will emphasize recent achievements in the whole-organ scaffolds and at the same time underline complications that the scientific community has to resolve before reaching a functional bioengineered organ.
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Affiliation(s)
- Andrea Peloso
- IRCCS Policlinico San Matteo, Department of General Surgery, University of Pavia, Viale Golgi 19, Pavia, 27100, Italy. .,Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA.
| | - Abritee Dhal
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA.
| | - Joao P Zambon
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA.
| | - Peng Li
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA. .,Department of General Surgery Affiliated Hospital of Nantong University, Nantong University, Nantong, Jiangsu, 226001, China.
| | - Giuseppe Orlando
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA. .,Wake Forest School of Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27517, USA.
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA. .,Wake Forest School of Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27517, USA.
| | - Shay Soker
- Wake Forest Institute for Regenerative Medicine, Medical Centre Boulevard, Winston-Salem, NC, 27157, USA.
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Gu C, Li Y, Xu WL, Yan JP, Xia YJ, Ma YY, Chen C, Wang HJ, Tao HQ. Sirtuin 1 Activator SRT1720 Protects Against Lung Injury via Reduction of Type II Alveolar Epithelial Cells Apoptosis in Emphysema. COPD 2014; 12:444-52. [DOI: 10.3109/15412555.2014.974740] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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14
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Li Y, Gu C, Xu W, Yan J, Xia Y, Ma Y, Chen C, He X, Tao H. Therapeutic effects of amniotic fluid-derived mesenchymal stromal cells on lung injury in rats with emphysema. Respir Res 2014; 15:120. [PMID: 25319435 PMCID: PMC4201761 DOI: 10.1186/s12931-014-0120-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Accepted: 09/30/2014] [Indexed: 11/15/2022] Open
Abstract
Background In chronic obstructive pulmonary disease (COPD), two major pathological changes that occur are the loss of alveolar structure and airspace enlargement. To treat COPD, it is crucial to repair damaged lung tissue and regenerate the lost alveoli. Type II alveolar epithelial cells (AECII) play a vital role in maintaining lung tissue repair, and amniotic fluid-derived mesenchymal stromal cells (AFMSCs) possess the characteristics of regular mesenchymal stromal cells. However, it remains untested whether transplantation of rat AFMSCs (rAFMSCs) might alleviate lung injury caused by emphysema by increasing the expression of surfactant protein (SP)A and SPC and inhibiting AECII apoptosis. Methods We analyzed the phenotypic characteristics, differentiation potential, and karyotype of rAFMSCs, which were isolated from pregnant Sprague–Dawley rats. Moreover, we examined the lung morphology and the expression levels of SPA and SPC in rats with emphysema after cigarette-smoke exposure and intratracheal lipopolysaccharide instillation and rAFMSC transplantation. The ability of rAFMSCs to differentiate was measured, and the apoptosis of AECII was evaluated. Results In rAFMSCs, the surface antigens CD29, CD44, CD73, CD90, CD105, and CD166 were expressed, but CD14, CD19, CD34, and CD45 were not detected; rAFMSCs also strongly expressed the mRNA of octamer-binding transcription factor 4, and the cells could be induced to differentiate into adipocytes and osteocytes. Furthermore, rAFMSC treatment up-regulated the levels of SPA, SPC, and thyroid transcription factor 1 and inhibited AECII apoptosis, and rAFMSCs appeared to be capable of differentiating into AECII-like cells. Lung injury caused by emphysema was alleviated after rAFMSC treatment. Conclusions rAFMSCs might differentiate into AECII-like cells or induce local regeneration of the lung alveolar epithelium in vivo after transplantation and thus could be used in COPD treatment and lung regenerative therapy.
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Affiliation(s)
- Yaqing Li
- Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, No, 158, Shangtang Road, Hangzhou 310014, Zhejiang, P,R, China.
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