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Mazzoni E, Iaquinta MR, Mosaico M, De Pace R, D'Agostino A, Tognon M, Martini F. Human Mesenchymal Stem Cells and Innovative Scaffolds for Bone Tissue Engineering Applications. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:514-531. [PMID: 37212264 DOI: 10.1089/ten.teb.2022.0217] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Stem cell-based therapy is a significant topic in regenerative medicine, with a predominant role being played by human mesenchymal stem cells (hMSCs). The hMSCs have been shown to be suitable in regenerative medicine for the treatment of bone tissue. In the last few years, the average lifespan of our population has gradually increased. The need of biocompatible materials, which exhibit high performances, such as efficiency in bone regeneration, has been highlighted by aging. Current studies emphasize the benefit of using biomimetic biomaterials, also known as scaffolds, for bone grafts to speed up bone repair at the fracture site. For the healing of injured bone and bone regeneration, regenerative medicine techniques utilizing a combination of these biomaterials, together with cells and bioactive substances, have drawn a great interest. Cell therapy, based on the use of hMSCs, alongside materials for the healing of damaged bone, has obtained promising results. In this work, several aspects of cell biology, tissue engineering, and biomaterials applied to bone healing/regrowth will be considered. In addition, the role of hMSCs in these fields and recent progress in clinical applications are discussed. Impact Statement The restoration of large bone defects is both a challenging clinical issue and a socioeconomic problem on a global scale. Different therapeutic approaches have been proposed for human mesenchymal stem cells (hMSCs), considering their paracrine effect and potential differentiation into osteoblasts. However, different limitations are still to be overcome in using hMSCs as a therapeutic opportunity in bone fracture repair, including hMSC administration methods. To identify a suitable hMSC delivery system, new strategies have been proposed using innovative biomaterials. This review provides an update of the literature on hMSC/scaffold clinical applications for the management of bone fractures.
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Affiliation(s)
- Elisa Mazzoni
- Department of Chemical, Pharmaceutical and Agricultural Sciences, and University of Ferrara, Ferrara, Italy
| | - Maria Rosa Iaquinta
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
- Dentistry and Maxillo-Facial Surgery Unit, Department of Surgery, Dentistry, Paediatrics and Gynaecology, University of Verona, Verona, Italy
| | - Maria Mosaico
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Raffaella De Pace
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Antonio D'Agostino
- Dentistry and Maxillo-Facial Surgery Unit, Department of Surgery, Dentistry, Paediatrics and Gynaecology, University of Verona, Verona, Italy
| | - Mauro Tognon
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Fernanda Martini
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
- Laboratory for Technologies of Advanced Therapies, University of Ferrara, Ferrara, Italy
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Citro V, Clerici M, Boccaccini AR, Della Porta G, Maffulli N, Forsyth NR. Tendon tissue engineering: An overview of biologics to promote tendon healing and repair. J Tissue Eng 2023; 14:20417314231196275. [PMID: 37719308 PMCID: PMC10501083 DOI: 10.1177/20417314231196275] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/06/2023] [Indexed: 09/19/2023] Open
Abstract
Tendons are dense connective tissues with a hierarchical polarized structure that respond to and adapt to the transmission of muscle contraction forces to the skeleton, enabling motion and maintaining posture. Tendon injuries, also known as tendinopathies, are becoming more common as populations age and participation in sports/leisure activities increases. The tendon has a poor ability to self-heal and regenerate given its intrinsic, constrained vascular supply and exposure to frequent, severe loading. There is a lack of understanding of the underlying pathophysiology, and it is not surprising that disorder-targeted medicines have only been partially effective at best. Recent tissue engineering approaches have emerged as a potential tool to drive tendon regeneration and healing. In this review, we investigated the physiochemical factors involved in tendon ontogeny and discussed their potential application in vitro to reproduce functional and self-renewing tendon tissue. We sought to understand whether stem cells are capable of forming tendons, how they can be directed towards the tenogenic lineage, and how their growth is regulated and monitored during the entire differentiation path. Finally, we showed recent developments in tendon tissue engineering, specifically the use of mesenchymal stem cells (MSCs), which can differentiate into tendon cells, as well as the potential role of extracellular vesicles (EVs) in tendon regeneration and their potential for use in accelerating the healing response after injury.
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Affiliation(s)
- Vera Citro
- School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent, Staffordshire, UK
- Department of Materials Science and Engineering, Institute of Biomaterials University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen, Germany
| | - Marta Clerici
- School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent, Staffordshire, UK
- Department of Medicine, Surgery and Dentistry, University of Salerno, via S. Allende, Baronissi, Salerno, Italy
| | - Aldo R. Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen, Germany
| | - Giovanna Della Porta
- Department of Medicine, Surgery and Dentistry, University of Salerno, via S. Allende, Baronissi, Salerno, Italy
- Interdepartmental Centre BIONAM, University of Salerno, via Giovanni Paolo I, Fisciano, Salerno, Italy
| | - Nicola Maffulli
- School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent, Staffordshire, UK
- Department of Medicine, Surgery and Dentistry, University of Salerno, via S. Allende, Baronissi, Salerno, Italy
- Department of Trauma and Orthopaedic Surgery, University Hospital ‘San Giovanni di Dio e Ruggi D’Aragona’, Salerno, Italy
| | - Nicholas R. Forsyth
- School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent, Staffordshire, UK
- Vice Principals’ Office, University of Aberdeen, Kings College, Aberdeen, UK
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da Graça Cabreira M, Wang X, Critsinelis A, Setegne M, Lotfi P, Wan YW, Barrios G, Mei Z, Gee AP, Buja LM, Perin E. Environmental oxygen affects ex vivo growth and proliferation of mesenchymal progenitors by modulating mitogen-activated protein kinase and mammalian target of rapamycin signaling. Cytotherapy 2022; 24:1201-1210. [PMID: 36109320 DOI: 10.1016/j.jcyt.2022.06.005] [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: 12/16/2021] [Revised: 04/16/2022] [Accepted: 06/13/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND AIMS Stem and progenitor cells of hematopoietic and mesenchymal lineages reside in the bone marrow under low oxygen (O2) saturation. O2 levels used in ex vivo expansion of multipotent mesenchymal stromal cells (MSCs) affect proliferation, metabolism and differentiation. METHODS Using cell-based assays and transcriptome and proteome data, the authors compared MSC cultures simultaneously grown under a conventional 19.95% O2 atmosphere or at 5% O2. RESULTS In 5% O2, MSCs showed better proliferation and higher self-renewal ability, most probably sustained by enhanced signaling activity of mitogen-activated protein kinase and mammalian target of rapamycin pathways. Non-oxidative glycolysis-based energy metabolism supported growth and proliferation in 5% O2 cultures, whereas MSCs grown under 19.95% O2 also utilized oxidative phosphorylation. Cytoprotection mechanisms used by cells under 5% O2 differed from 19.95% O2 suggesting differences in the triggers of cell stress between these two O2 conditions. CONCLUSIONS Based on the potential benefits for the growth and metabolism of MSCs, the authors propose the use of 5% O2 for MSC culture.
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Affiliation(s)
| | - Xiaohong Wang
- Department of Dermatology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | | | - Mekedlawit Setegne
- Chemistry-Biology Interface Predoctoral Training Program, Stanford University, Stanford, California, USA
| | - Parisa Lotfi
- Department of Molecular and Human Genetics, Baylor College of Medicine, Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas, USA
| | - Ying-Wooi Wan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas, USA
| | - Gabriela Barrios
- Department of Regenerative Medicine Research, Texas Heart Institute, Houston, Texas, USA
| | - Zhuyong Mei
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital and Texas Children's Hospital, Houston, Texas, USA
| | - Adrian P Gee
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital and Texas Children's Hospital, Houston, Texas, USA
| | - Louis Maximilian Buja
- Department of Pathology and Laboratory Medicine, McGovern Medical School, University of Texas Health Science Center, Houston, Texas, USA
| | - Emerson Perin
- Center for Clinical Research, Texas Heart Institute, Houston, Texas, USA
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Long-term hypoxia inhibits the passage-dependent stemness decrease and senescence increase of human dental pulp stem cells. Tissue Cell 2022; 76:101819. [DOI: 10.1016/j.tice.2022.101819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 04/26/2022] [Accepted: 05/07/2022] [Indexed: 11/16/2022]
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Abdelrahman SA, Abdelrahman AA, Samy W, Dessouky AA, Ahmed SM. Hypoxia pretreatment enhances the therapeutic potential of mesenchymal stem cells (BMSCs) on ozone-induced lung injury in rats. Cell Tissue Res 2022; 389:201-217. [PMID: 35551479 PMCID: PMC9287250 DOI: 10.1007/s00441-022-03627-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 04/16/2022] [Indexed: 11/26/2022]
Abstract
Ozone (O3) gas is a double-sided weapon. It provides a shield that protects life on earth from the harmful ultraviolet (UV) rays, but ground-level O3 is considered an urban air pollutant. So, a rat model of chronic O3 inhalation was established to assess the biochemical and morphological alterations in the lung tissue and to investigate the ameliorative effects of bone marrow-derived mesenchymal stem cells (BMSCs) with or without hypoxia pre-treatment. Forty-two adult male albino rats were divided into four groups: control, ozone-exposed, normoxic BMSC-treated, and hypoxic BMSC-treated groups. Lung tissue sections were processed for light and electron microscope examination, immunohistochemical staining for caspase 3, and iNOS. Quantitative real-time PCR for IL-1α, IL-17, TNF-α, and Nrf2 mRNA gene expression were also performed. Chronic O3 exposure caused elevated inflammatory cytokines and decreased antioxidant Nrf2 mRNA expression. Marked morphological alterations with increased collagen deposition and elevated apoptotic markers and iNOS were evident. BMSC treatment showed immunomodulatory (decreased inflammatory cytokine gene expression), antioxidant (increased Nrf2 expression and decreased iNOS), and anti-apoptotic (decreased caspase3 expression) effects. Consequently, ameliorated lung morphology with diminished collagen deposition was observed. Hypoxia pretreatment enhanced BMSC survival by MTT assay. It also augmented the previously mentioned effects of BMSCs on the lung tissue as proved by statistical analysis. Lung morphology was similar to that of control group. In conclusion, hypoxia pretreatment represents a valuable intervention to enhance the effects of MSCs on chronic lung injury.
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Affiliation(s)
- Shaimaa A Abdelrahman
- Medical Histology and Cell Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Abeer A Abdelrahman
- Biochemistry and Molecular Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Walaa Samy
- Biochemistry and Molecular Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Arigue A Dessouky
- Medical Histology and Cell Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Samah M Ahmed
- Medical Histology and Cell Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Xu Z, Lin L, Fan Y, Huselstein C, De Isla N, He X, Chen Y, Li Y. Secretome of Mesenchymal Stem Cells from Consecutive Hypoxic Cultures Promotes Resolution of Lung Inflammation by Reprogramming Anti-Inflammatory Macrophages. Int J Mol Sci 2022; 23:ijms23084333. [PMID: 35457151 PMCID: PMC9032661 DOI: 10.3390/ijms23084333] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 02/06/2023] Open
Abstract
The secretome from hypoxia-preconditioned mesenchymal stem cells (MSCs) has been shown to promote resolution of inflammation and alleviate acute lung injury (ALI) through its immunomodulatory function. However, the effects of consecutive hypoxic culture on immunomodulatory function of the MSCs secretome are largely unclarified. Here, we intend to investigate the effects of consecutive hypoxia on therapeutic efficacy of conditioned medium derived from MSCs (MSCs-CM) in alleviating ALI. Human umbilical cord-derived MSCs (UC-MSCs) were consecutively cultured in 21% O2 (Nor-MSCs) or in 1% O2 (Hypo-MSCs) from passage 0. Their conditioned medium (Nor-CM and Hypo-CM respectively) was collected and administered into ALI models. Our findings confirmed that Hypo-MSCs exhibited increased proliferation ability and decreased cell senescence compared with Nor-MSCs. Consecutive hypoxia promoted UC-MSCs to secrete immunomodulatory cytokines, such as insulin-like growth factor 1(IGF1), IL10, TNFα-stimulated gene 6(TSG6), TGFβ, and prostaglandin E2 (PGE2). Both Nor-CM and Hypo-CM could effectively limit lung inflammation, promote efferocytosis and modulate anti-inflammatory polarization of lung macrophages in ALI models. Moreover, the effects of Hypo-CM were more potent than Nor-CM. Taken together, our findings indicate that consecutive hypoxic cultures could not only promote both proliferation and quality of UC-MSCs, but also enhance the therapeutic efficacy of their secretome in mitigating lung inflammation by promoting efferocytosis and anti-inflammatory polarization of macrophages.
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Affiliation(s)
- Zhihong Xu
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Lulu Lin
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yuxuan Fan
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Céline Huselstein
- UMR 7365 CNRS, Medical School, University of Lorraine, 54505 Nancy, France; (C.H.); (N.D.I.)
| | - Natalia De Isla
- UMR 7365 CNRS, Medical School, University of Lorraine, 54505 Nancy, France; (C.H.); (N.D.I.)
| | - Xiaohua He
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yun Chen
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
| | - Yinping Li
- Department of Pathophysiology, Hubei Province Key Laboratory of Allergy and Immunology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China; (Z.X.); (L.L.); (Y.F.); (X.H.); (Y.C.)
- Correspondence: ; Tel.: +86-27-6875-8727; Fax: +86-27-6875-9222
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Akki R, Siracusa R, Cordaro M, Remigante A, Morabito R, Errami M, Marino A. Adaptation to oxidative stress at cellular and tissue level. Arch Physiol Biochem 2022; 128:521-531. [PMID: 31835914 DOI: 10.1080/13813455.2019.1702059] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Several in vitro and in vivo investigations have already proved that cells and tissues, when pre-exposed to low oxidative stress by different stimuli such as chemical, physical agents and environmental factors, display more resistance against subsequent stronger ischaemic injuries, resulting in an adaptive response known as ischaemic preconditioning (IPC). The aim of this review is to report the most recent knowledge about the complex adaptive mechanisms, including signalling transduction pathways, antioxidant systems, apoptotic and inflammation pathways, underlying cell protection against oxidative damage. In addition, an update about in vivo adaptation strategies in response to ischaemic/reperfusion episodes and brain trauma is also given.
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Affiliation(s)
- Rachid Akki
- Department of Biology, Faculty of Science, University of Abdelmalek Essaadi, Tetouan, Morocco
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Alessia Remigante
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Rossana Morabito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Mohammed Errami
- Department of Biology, Faculty of Science, University of Abdelmalek Essaadi, Tetouan, Morocco
| | - Angela Marino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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Li ZB, Yang HQ, Li K, Yin Y, Feng SS, Ge SH, Yu Y. Comprehensive Transcriptome Analysis of mRNA Expression Patterns Associated With Enhanced Biological Functions in Periodontal Ligament Stem Cells Subjected to Short-Term Hypoxia Pretreatment. Front Genet 2022; 13:797055. [PMID: 35211157 PMCID: PMC8861432 DOI: 10.3389/fgene.2022.797055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 01/13/2022] [Indexed: 11/20/2022] Open
Abstract
Short-term hypoxia pretreatment significantly enhances periodontal ligament stem cell (PDLSC)-based periodontal tissue regeneration by improving various cellular biological functions, but the underlying mechanisms remain unclear. In this study, based on RNA sequencing (RNA-seq), we comprehensively analyzed the possible regulatory mechanisms of the short-term hypoxic effects on the biological functions of healthy and inflammatory PDLSCs. A total of 134 and 164 differentially expressed genes (DEGs) were identified under healthy and inflammatory conditions, respectively. Functional enrichment analyses indicated that DEGs under both conditions share certain biological processes and pathways, including metabolic processes, developmental processes, reproductive processes, localization, immune system processes and the HIF-1 signaling pathway. The DEGs identified under inflammatory conditions were more significantly enriched in cell cycle-related processes and immune-related pathways, while DEGs identified under healthy condition were more significantly enriched in the TGF-β signaling pathway. A protein-protein interaction network analysis of the 59 DEGs in both conditions was performed, and 15 hub genes were identified. These hub genes were mainly involved in glycolysis, the cellular response to hypoxia, cell differentiation, and immune system processes. In addition, we found that hypoxia induced significant differential expression of genes associated with proliferation, differentiation, migration, apoptosis and immunoregulation under both healthy and inflammatory conditions. This study provides comprehensive insights into the effects of short-term hypoxia on the biological functions of PDLSCs and suggests a potentially feasible strategy for improving the clinical effectiveness of cell-based periodontal tissue engineering.
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Affiliation(s)
- Zhi-Bang Li
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Hui-Qi Yang
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Kun Li
- Department of Periodontology, Jinan Stomatological Hospital, Jinan, China
| | - Yuan Yin
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Su-Su Feng
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shao-Hua Ge
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yang Yu
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
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Yao X, Ma Y, Zhou W, Liao Y, Jiang Z, Lin J, He Q, Wu H, Wei W, Wang X, Björklund M, Ouyang H. In-cytoplasm mitochondrial transplantation for mesenchymal stem cells engineering and tissue regeneration. Bioeng Transl Med 2022; 7:e10250. [PMID: 35111950 PMCID: PMC8780934 DOI: 10.1002/btm2.10250] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/12/2021] [Accepted: 08/14/2021] [Indexed: 12/15/2022] Open
Abstract
Stem cell therapies are unsatisfactory due to poor cell survival and engraftment. Stem cell used for therapy must be properly "tuned" for a harsh in vivo environment. Herein, we report that transfer of exogenous mitochondria (mito) to adipose-derived mesenchymal stem cells (ADSCs) can effectively boost their energy levels, enabling efficient cell engraftment. Importantly, the entire process of exogeneous mitochondrial endocytosis is captured by high-content live-cell imaging. Mitochondrial transfer leads to acutely enhanced bioenergetics, with nearly 17% of higher adenosine 5'-triphosphate (ATP) levels in ADSCs treated with high mitochondrial dosage and further results in altered secretome profiles of ADSCs. Mitochondrial transfer also induced the expression of 334 mRNAs in ADSCs, which are mainly linked to signaling pathways associated with DNA replication and cell division. We hypothesize that increase in ATP and cyclin-dependent kinase 1 and 2 expression might be responsible for promoting enhanced proliferation, migration, and differentiation of ADSCs in vitro. More importantly, mito-transferred ADSCs display prolonged cell survival, engraftment and horizontal transfer of exogenous mitochondria to surrounding cells in a full-thickness skin defect rat model with improved skin repair compared with nontreated ADSCs. These results demonstrate that intracellular mitochondrial transplantation is a promising strategy to engineer stem cells for tissue regeneration.
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Affiliation(s)
- Xudong Yao
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
- The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuChina
| | - Yuanzhu Ma
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Wenyan Zhou
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Youguo Liao
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Zongsheng Jiang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
| | - Junxin Lin
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Qiulin He
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Hongwei Wu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Wei Wei
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
- The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuChina
| | - Xiaozhao Wang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Mikael Björklund
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina
- Zhejiang University‐University of Edinburgh Institute (ZJU‐UoE Institute), Zhejiang UniversityHainingChina
- Department of Sports MedicineZhejiang University School of MedicineHangzhouChina
- China Orthopedic Regenerative Medicine Group (CORMed)HangzhouChina
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of MedicineHangzhouChina
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10
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Li Y, Wei Y, Gu L. Effect of hypoxia on proliferation and glucocorticoid resistance of T-cell acute lymphoblastic leukaemia. ACTA ACUST UNITED AC 2021; 26:775-784. [PMID: 34565306 DOI: 10.1080/16078454.2021.1980689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Hypoxia is emerging as a key factor in the biology of leukaemia. Here, we want to clarify the impact of hypoxia on the proliferation of T-cell acute lymphoblastic leukaemia (T-ALL) cells and the response to chemotherapy. METHODS T-ALL cells were cultured under normoxic and hypoxic conditions. MTT assay and trypan blue staining technique was used to detect cell viability and proliferation. In vitro sensitivity to glucocorticoid was assessed by IC50. CDI was used to analyze the combined effects of glucocorticoid and hypoxia. Flow cytometry was performed to detect apoptosis and cell cycle. Western blotting was performed to detect the protein expression associated with hypoxia. RESULTS Hypoxia of 1% O2 resulted different impact on cell viability and proliferation to different T-ALL cell lines, reduced, unaffected or induced, according to their different metabolic phenotype. All the cell lines showed an induction of key enzymes in glycolysis pathway following hypoxia exposure, although different effector proteins were induced in different cell lines. In GC-sensitive cells, acute hypoxia made no effect on the IC50 of dexamethasone, but chronic hypoxia may improve cell survival and induce GC resistance. However, acute hypoxia induced a higher GC resistance in GC-resistant T-ALL cells and showed an antagonistic effect while combined with high-dose dexamethasone. CONCLUSION T-ALL cells adapt well to hypoxic environment. Hypoxia may influence leukaemic cell proliferation. More importantly, hypoxia contributes to GC resistance in T-ALL blasts, especially in refractory/relapsed T-ALL.
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Affiliation(s)
- Yuanyuan Li
- Laboratory of Hematology/Oncology, Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, People's Republic of China.,Joint laboratory of West China Second University Hospital, Sichuan University and School of Life Science, Fudan University for Pulmonary Development and Disease, Chengdu, People's Republic of China.,NHC Key Laboratory of Chronobiology, Sichuan University, Chengdu, People's Republic of China
| | - Yi Wei
- West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Ling Gu
- Laboratory of Hematology/Oncology, Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, People's Republic of China.,Joint laboratory of West China Second University Hospital, Sichuan University and School of Life Science, Fudan University for Pulmonary Development and Disease, Chengdu, People's Republic of China.,NHC Key Laboratory of Chronobiology, Sichuan University, Chengdu, People's Republic of China
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11
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Yang Y, Lee EH, Yang Z. Hypoxia conditioned mesenchymal stem cells in tissue regeneration application. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:966-977. [PMID: 34569290 DOI: 10.1089/ten.teb.2021.0145] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Mesenchymal stem cells (MSCs) have been demonstrated as promising cell sources for tissue regeneration due to their capability of self-regeneration, differentiation and immunomodulation. MSCs also exert extensive paracrine effects through release of trophic factors and extracellular vesicles. However, despite extended exploration of MSCs in pre-clinical studies, the results are far from satisfactory due to the poor engraftment and low level of survival after implantation. Hypoxia preconditioning has been proposed as an engineering approach to improve the therapeutic potential of MSCs. During in vitro culture, hypoxic conditions can promote MSC proliferation, survival and migration through various cellular responses to the reduction of oxygen tension. The multilineage differentiation potential of MSCs is altered under hypoxia, with consistent reports of enhanced chondrogenesis. Hypoxia also stimulates the paracrine activities of MSCs and increases the production of secretome both in terms of soluble factors as well as extracellular vesicles. The secretome from hypoxia preconditioned MSCs play important roles in promoting cell proliferation and migration, enhancing angiogenesis while inhibiting apoptosis and inflammation. In this review, we summarise current knowledge of hypoxia-induced changes in MSCs and discuss the application of hypoxia preconditioned MSCs as well as hypoxic secretome in different kinds of disease models.
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Affiliation(s)
- Yanmeng Yang
- National University of Singapore, 37580, Orthopaedic Surgery, 27 Medical Drive, Singapore, Singapore, 117510;
| | - Eng Hin Lee
- National University of Singapore, Department of Orthopaedic Surgery, 1E Kent Ridge Road, NUHS Tower Block, Level 11, Singapore, Singapore, 119228;
| | - Zheng Yang
- National University of Singapore, Life Sciences Institute, Singapore, Singapore;
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12
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Bone Marrow Mesenchymal Stem Cells in Acute-on-Chronic Liver Failure Grades 2 and 3: A Phase I-II Randomized Clinical Trial. Can J Gastroenterol Hepatol 2021; 2021:3662776. [PMID: 34395335 PMCID: PMC8357501 DOI: 10.1155/2021/3662776] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 07/24/2021] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION Acute-on-chronic liver failure (ACLF) is an acute liver decompensation in cirrhotic patients, which leads to organ failures and high short-term mortality. The treatment is based on the management of complications and, in severe cases, liver transplantation. Since specific treatment is unavailable, we aimed to evaluate the safety and initial efficacy of bone marrow mesenchymal stem cells (BM-MSC) in patients with ACLF Grades 2 and 3, a population excluded from previous clinical trials. METHODS This is a randomized placebo-controlled phase I-II single center study, which enrolled 9 cirrhotic patients from 2018 to 2020, regardless of the etiology. The control group (n = 5) was treated with standard medical therapy (SMT) and placebo infusion of saline. The intervention group (n = 4) received SMT plus 5 infusions of 1 × 106 cells/kg of BM-MSC for 3 weeks. Both groups were monitored for 90 days. A Chi-square test was used for qualitative variables, and the t-test and Mann-Whitney U test for quantitative variables. The Kaplan-Meier estimator was used to build survival curves. In this study, we followed the intention-to-treat analysis, with a significance of 5%. RESULTS Nine patients with a mean Child-Pugh (CP) of 12.3, MELD of 38.4, and CLIF-C score of 50.7 were recruited. Hepatitis C and alcohol were the main etiologies. The average infusion per patient was 2.9 and only 3 patients (2 in control and 1 in the BM-MSC group) received all the protocol infusions. There were no infusion-related side effects, although one patient in the intervention group presented hypernatremia and a gastric ulcer, after the third and fifth infusions, respectively. The survival rate after 90 days was 20% (1/5) for placebo versus 25% (1/4) for the BM-MSC. The patient who completed the entire MSC protocol showed a significant improvement in CP (C-14 to B-9), MELD (32 to 22), and ACLF (grade 3 to 0). CONCLUSION BM-MSC infusion is safe and feasible in patients with ACLF Grades 2 and 3.
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13
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Park SM, An JH, Lee JH, Kim KB, Chae HK, Oh YI, Song WJ, Youn HY. Extracellular vesicles derived from DFO-preconditioned canine AT-MSCs reprogram macrophages into M2 phase. PLoS One 2021; 16:e0254657. [PMID: 34310627 PMCID: PMC8312919 DOI: 10.1371/journal.pone.0254657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/30/2021] [Indexed: 11/30/2022] Open
Abstract
Background Mesenchymal stem/stromal cells (MSCs) are effective therapeutic agents that ameliorate inflammation through paracrine effect; in this regard, extracellular vesicles (EVs) have been frequently studied. To improve the secretion of anti-inflammatory factors from MSCs, preconditioning with hypoxia or hypoxia-mimetic agents has been attempted and the molecular changes in preconditioned MSC-derived EVs explored. In this study, we aimed to investigate the increase of hypoxia-inducible factor 1-alpha (HIF-1α)/cyclooxygenase-2 (COX-2) in deferoxamine (DFO)-preconditioned canine MSC (MSCDFO) and whether these molecular changes were reflected on EVs. Furthermore, we focused on MSCDFO derived EVs (EVDFO) could affect macrophage polarization via the transfer function of EVs. Results In MSCDFO, accumulation of HIF-1α were increased and production of COX-2 were activated. Also, Inside of EVDFO were enriched with COX-2 protein. To evaluate the transferring effect of EVs to macrophage, the canine macrophage cell line, DH82, was treated with EVs after lipopolysaccharide (LPS) stimulation. Polarization changes of DH82 were evaluated with quantitative real-time PCR and immunofluorescence analyses. When LPS-induced DH82 was treated with EVDFO, phosphorylation of signal transducer and transcription3 (p-STAT3), which is one of key factor of inducing M2 phase, expression was increased in DH82. Furthermore, treated with EVDFO in LPS-induced DH82, the expression of M1 markers were reduced, otherwise, M2 surface markers were enhanced. Comparing with EVDFO and EVnon. Conclusion DFO preconditioning in MSCs activated the HIF-1α/COX-2 signaling pathway; Transferring COX-2 through EVDFO could effectively reprogram macrophage into M2 phase by promoting the phosphorylation of STAT3.
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Affiliation(s)
- Su-Min Park
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Ju-Hyun An
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jeong-Hwa Lee
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Kyung-Bo Kim
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hyung-Kyu Chae
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Ye-In Oh
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Woo-Jin Song
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Jeju National University, Jeju, Republic of Korea
- * E-mail: (WJS); (HYY)
| | - Hwa-Young Youn
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
- * E-mail: (WJS); (HYY)
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Dzobo K. Recent Trends in Multipotent Human Mesenchymal Stem/Stromal Cells: Learning from History and Advancing Clinical Applications. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2021; 25:342-357. [PMID: 34115524 DOI: 10.1089/omi.2021.0049] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Early cell biology reports demonstrated the presence of cells with stem-like properties in bone marrow, with both hematopoietic and mesenchymal lineages. Over the years, various investigations have purified and characterized mesenchymal stromal/stem cells (MSCs) from different human tissues as cells with multilineage differentiation potential under the appropriate conditions. Due to their appealing characteristics and versatile potentials, MSCs are leveraged in many applications in medicine such as oncology, bioprinting, and as recent as therapeutics discovery and innovation for COVID-19. To date, studies indicate that MSCs have varied differentiation capabilities into different cell types, and demonstrate immunomodulating and anti-inflammatory properties. Different microenvironments or niche for MSCs and their resulting heterogeneity may influence attendant cellular behavior and differentiation capacity. The potential clinical applications of MSCs and exosomes derived from these cells have led to an avalanche of research reports on their properties and hundreds of clinical trials being undertaken. There is ample reason to think, as discussed in this expert review that the future looks bright and promising for MSC research, with many clinical trials under way to ascertain their clinical utility. This review provides a synthesis of the latest advances and trends in MSC research to allow for broad and critically informed use of MSCs. Early observations of the presence of these cells in the bone marrow and their remarkable differentiation capabilities and immunomodulation are also presented.
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Affiliation(s)
- Kevin Dzobo
- International Center for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, South Africa.,Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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15
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Sandonà M, Di Pietro L, Esposito F, Ventura A, Silini AR, Parolini O, Saccone V. Mesenchymal Stromal Cells and Their Secretome: New Therapeutic Perspectives for Skeletal Muscle Regeneration. Front Bioeng Biotechnol 2021; 9:652970. [PMID: 34095095 PMCID: PMC8172230 DOI: 10.3389/fbioe.2021.652970] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/01/2021] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are multipotent cells found in different tissues: bone marrow, peripheral blood, adipose tissues, skeletal muscle, perinatal tissues, and dental pulp. MSCs are able to self-renew and to differentiate into multiple lineages, and they have been extensively used for cell therapy mostly owing to their anti-fibrotic and immunoregulatory properties that have been suggested to be at the basis for their regenerative capability. MSCs exert their effects by releasing a variety of biologically active molecules such as growth factors, chemokines, and cytokines, either as soluble proteins or enclosed in extracellular vesicles (EVs). Analyses of MSC-derived secretome and in particular studies on EVs are attracting great attention from a medical point of view due to their ability to mimic all the therapeutic effects produced by the MSCs (i.e., endogenous tissue repair and regulation of the immune system). MSC-EVs could be advantageous compared with the parental cells because of their specific cargo containing mRNAs, miRNAs, and proteins that can be biologically transferred to recipient cells. MSC-EV storage, transfer, and production are easier; and their administration is also safer than MSC therapy. The skeletal muscle is a very adaptive tissue, but its regenerative potential is altered during acute and chronic conditions. Recent works demonstrate that both MSCs and their secretome are able to help myofiber regeneration enhancing myogenesis and, interestingly, can be manipulated as a novel strategy for therapeutic interventions in muscular diseases like muscular dystrophies or atrophy. In particular, MSC-EVs represent promising candidates for cell free-based muscle regeneration. In this review, we aim to give a complete picture of the therapeutic properties and advantages of MSCs and their products (MSC-derived EVs and secreted factors) relevant for skeletal muscle regeneration in main muscular diseases.
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Affiliation(s)
- Martina Sandonà
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Santa Lucia, Rome, Italy
| | - Lorena Di Pietro
- Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Federica Esposito
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Santa Lucia, Rome, Italy
| | - Alessia Ventura
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Santa Lucia, Rome, Italy
| | - Antonietta Rosa Silini
- Centro di Ricerca "E. Menni", Fondazione Poliambulanza - Istituto Ospedaliero, Brescia, Italy
| | - Ornella Parolini
- Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, Rome, Italy
| | - Valentina Saccone
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Fondazione Santa Lucia, Rome, Italy.,Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy
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16
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Crippa S, Santi L, Berti M, De Ponti G, Bernardo ME. Role of ex vivo Expanded Mesenchymal Stromal Cells in Determining Hematopoietic Stem Cell Transplantation Outcome. Front Cell Dev Biol 2021; 9:663316. [PMID: 34017834 PMCID: PMC8129582 DOI: 10.3389/fcell.2021.663316] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023] Open
Abstract
Overall, the human organism requires the production of ∼1 trillion new blood cells per day. Such goal is achieved via hematopoiesis occurring within the bone marrow (BM) under the tight regulation of hematopoietic stem and progenitor cell (HSPC) homeostasis made by the BM microenvironment. The BM niche is defined by the close interactions of HSPCs and non-hematopoietic cells of different origin, which control the maintenance of HSPCs and orchestrate hematopoiesis in response to the body’s requirements. The activity of the BM niche is regulated by specific signaling pathways in physiological conditions and in case of stress, including the one induced by the HSPC transplantation (HSCT) procedures. HSCT is the curative option for several hematological and non-hematological diseases, despite being associated with early and late complications, mainly due to a low level of HSPC engraftment, impaired hematopoietic recovery, immune-mediated graft rejection, and graft-versus-host disease (GvHD) in case of allogenic transplant. Mesenchymal stromal cells (MSCs) are key elements of the BM niche, regulating HSPC homeostasis by direct contact and secreting several paracrine factors. In this review, we will explore the several mechanisms through which MSCs impact on the supportive activity of the BM niche and regulate HSPC homeostasis. We will further discuss how the growing understanding of such mechanisms have impacted, under a clinical point of view, on the transplantation field. In more recent years, these results have instructed the design of clinical trials to ameliorate the outcome of HSCT, especially in the allogenic setting, and when low doses of HSPCs were available for transplantation.
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Affiliation(s)
- Stefania Crippa
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ludovica Santi
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Margherita Berti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giada De Ponti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Centro Ricerca M. Tettamanti, Department of Pediatrics, University of Milano-Bicocca, Monza, Italy
| | - Maria Ester Bernardo
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Pediatric Immunohematology and Bone Marrow Transplantation Unit, San Raffaele Scientific Institute, Milan, Italy.,University Vita-Salute San Raffaele, Faculty of Medicine, Milan, Italy
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17
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Towards Physiologic Culture Approaches to Improve Standard Cultivation of Mesenchymal Stem Cells. Cells 2021; 10:cells10040886. [PMID: 33924517 PMCID: PMC8069108 DOI: 10.3390/cells10040886] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are of great interest for their use in cell-based therapies due to their multipotent differentiation and immunomodulatory capacities. In consequence of limited numbers following their isolation from the donor tissue, MSCs require extensive expansion performed in traditional 2D cell culture setups to reach adequate amounts for therapeutic use. However, prolonged culture of MSCs in vitro has been shown to decrease their differentiation potential and alter their immunomodulatory properties. For that reason, preservation of these physiological characteristics of MSCs throughout their in vitro culture is essential for improving the efficiency of therapeutic and in vitro modeling applications. With this objective in mind, many studies already investigated certain parameters for enhancing current standard MSC culture protocols with regard to the effects of specific culture media components or culture conditions. Although there is a lot of diversity in the final therapeutic uses of the cells, the primary stage of standard isolation and expansion is imperative. Therefore, we want to review on approaches for optimizing standard MSC culture protocols during this essential primary step of in vitro expansion. The reviewed studies investigate and suggest improvements focused on culture media components (amino acids, ascorbic acid, glucose level, growth factors, lipids, platelet lysate, trace elements, serum, and xenogeneic components) as well as culture conditions and processes (hypoxia, cell seeding, and dissociation during passaging), in order to preserve the MSC phenotype and functionality during the primary phase of in vitro culture.
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18
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Sayin E, Baran ET, Elsheikh A, Mudera V, Cheema U, Hasirci V. Evaluating Oxygen Tensions Related to Bone Marrow and Matrix for MSC Differentiation in 2D and 3D Biomimetic Lamellar Scaffolds. Int J Mol Sci 2021; 22:4010. [PMID: 33924614 PMCID: PMC8068918 DOI: 10.3390/ijms22084010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/02/2021] [Accepted: 04/06/2021] [Indexed: 02/06/2023] Open
Abstract
The physiological O2 microenvironment of mesenchymal stem cells (MSCs) and osteoblasts and the dimensionality of a substrate are known to be important in regulating cell phenotype and function. By providing the physiologically normoxic environments of bone marrow (5%) and matrix (12%), we assessed their potential to maintain stemness, induce osteogenic differentiation, and enhance the material properties in the micropatterned collagen/silk fibroin scaffolds that were produced in 2D or 3D. Expression of osterix (OSX) and vascular endothelial growth factor A (VEGFA) was significantly enhanced in the 3D scaffold in all oxygen environments. At 21% O2, OSX and VEGFA expressions in the 3D scaffold were respectively 13,200 and 270 times higher than those of the 2D scaffold. Markers for assessing stemness were significantly more pronounced on tissue culture polystyrene and 2D scaffold incubated at 5% O2. At 21% O2, we measured significant increases in ultimate tensile strength (p < 0.0001) and Young's modulus (p = 0.003) of the 3D scaffold compared to the 2D scaffold, whilst 5% O2 hindered the positive effect of cell seeding on tensile strength. In conclusion, we demonstrated that the 3D culture of MSCs in collagen/silk fibroin scaffolds provided biomimetic cues for bone progenitor cells toward differentiation and enhanced the tensile mechanical properties.
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Affiliation(s)
- Esen Sayin
- Department of Biotechnology, Middle East Technical University, 06800 Ankara, Turkey;
| | - Erkan Türker Baran
- Department of Tissue Engineering, University of Health Sciences, 34668 Istanbul, Turkey;
| | - Ahmed Elsheikh
- School of Engineering, The University of Liverpool, Liverpool L69 3GH, UK;
| | - Vivek Mudera
- UCL Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London, 43-45 Foley Street, Fitzrovia, London W1W 7TY, UK; (V.M.); (U.C.)
| | - Umber Cheema
- UCL Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London, 43-45 Foley Street, Fitzrovia, London W1W 7TY, UK; (V.M.); (U.C.)
| | - Vasif Hasirci
- Department of Biotechnology, Middle East Technical University, 06800 Ankara, Turkey;
- Department of Medical Engineering, Acibadem Mehmet Ali Aydinlar University, 34752 Istanbul, Turkey
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19
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Wong KU, Zhang A, Akhavan B, Bilek MM, Yeo GC. Biomimetic Culture Strategies for the Clinical Expansion of Mesenchymal Stromal Cells. ACS Biomater Sci Eng 2021. [PMID: 33599471 DOI: 10.1021/acsbiomaterials.0c01538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mesenchymal stromal/stem cells (MSCs) typically require significant ex vivo expansion to achieve the high cell numbers required for research and clinical applications. However, conventional MSC culture on planar (2D) plastic surfaces has been shown to induce MSC senescence and decrease cell functionality over long-term proliferation, and usually, it has a high labor requirement, a high usage of reagents, and therefore, a high cost. In this Review, we describe current MSC-based therapeutic strategies and outline the important factors that need to be considered when developing next-generation cell expansion platforms. To retain the functional value of expanded MSCs, ex vivo culture systems should ideally recapitulate the components of the native stem cell microenvironment, which include soluble cues, resident cells, and the extracellular matrix substrate. We review the interplay between these stem cell niche components and their biological roles in governing MSC phenotype and functionality. We discuss current biomimetic strategies of incorporating biochemical and biophysical cues in MSC culture platforms to grow clinically relevant cell numbers while preserving cell potency and stemness. This Review summarizes the current state of MSC expansion technologies and the challenges that still need to be overcome for MSC clinical applications to be feasible and sustainable.
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Affiliation(s)
- Kuan Un Wong
- Charles Perkins Center, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Life and Environmental Sciences, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Anyu Zhang
- School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Behnam Akhavan
- School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Marcela M Bilek
- Charles Perkins Center, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Giselle C Yeo
- Charles Perkins Center, The University of Sydney, Sydney, New South Wales 2006, Australia.,School of Life and Environmental Sciences, The University of Sydney, Sydney, New South Wales 2006, Australia
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20
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Kader N, Asopa V, Baryeh K, Sochart D, Maffulli N, Kader D. Cell-based therapy in soft tissue sports injuries of the knee: a systematic review. Expert Opin Biol Ther 2021; 21:1035-1047. [PMID: 33399489 DOI: 10.1080/14712598.2021.1872538] [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: 12/11/2022]
Abstract
INTRODUCTION An ever-increasing number of clinics are offering purportedly 'regenerative' stem-cell treatments, although cell-based therapies may not primarily act as stem cells and have shown the ability to regenerate end-target tissues in some clinical studies only. We aim to systematically review the evidence for their use in soft-tissue sports injuries of the knee. AREAS COVERED A search for articles pertaining to the use of preparations of, or containing, mesenchymal stem cells (MSCs) in human subjects in sports knee injuries yielded 14 relevant results for inclusion after screening: 7 used cultured MSCs, 5 bone marrow concentrate (BMC), and the remaining 2 evaluated stromal vascular fraction (SVF) and tenocyte-like-cells. Most studies were level 3 or lower (n = 9). EXPERT OPINION There is insufficient high-quality evidence for the use of cell-based therapies that demonstrates either ligamentous or tendinous healing, meniscal volume restoration, or post-traumatic osteoarthritis amelioration/regression. Methods of cell harvesting, preparation, and application are highly heterogenous. Efforts should be directed toward standardization of protocols and their reporting, starting with more basic scientific investigations of MSCs and their niche, as well as rigorous, large clinical RCTs adhering to the reporting principles set out by recent expert consensus.
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Affiliation(s)
- Nardeen Kader
- South West London Elective Orthopaedic Centre, Epsom, UK
| | - Vipin Asopa
- South West London Elective Orthopaedic Centre, Epsom, UK
| | - Kwaku Baryeh
- South West London Elective Orthopaedic Centre, Epsom, UK
| | - David Sochart
- South West London Elective Orthopaedic Centre, Epsom, UK.,University of Salford, Manchester, UK
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy.,School of Pharmacy and Bioengineering, Keele University School of Medicine, Stoke on Trent, UK.,Centre for Sports and Exercise Medicine, Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Mile End Hospital, London, UK
| | - Deiary Kader
- South West London Elective Orthopaedic Centre, Epsom, UK.,Faculty of Health and Life Sciences, Northumbria University, Newcastle Upon Tyne, UK
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21
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Differentiation Potential of Early- and Late-Passage Adipose-Derived Mesenchymal Stem Cells Cultured under Hypoxia and Normoxia. Stem Cells Int 2020; 2020:8898221. [PMID: 33014073 PMCID: PMC7519987 DOI: 10.1155/2020/8898221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/25/2020] [Accepted: 08/28/2020] [Indexed: 02/07/2023] Open
Abstract
With an increasing focus on the large-scale expansion of mesenchymal stem cells (MSCs) required for clinical applications for the treatment of joint and bone diseases such as osteoarthritis, the optimisation of conditions for in vitro MSC expansion requires careful consideration to maintain native MSC characteristics. Physiological parameters such as oxygen concentration, media constituents, and passage numbers influence the properties of MSCs and may have major impact on their therapeutic potential. Cells grown under hypoxic conditions have been widely documented in clinical use. Culturing MSCs on large scale requires bioreactor culture; however, it is challenging to maintain low oxygen and other physiological parameters over several passages in large bioreactor vessels. The necessity to scale up the production of cells in vitro under normoxia may affect important attributes of MSCs. For these reasons, our study investigated the effects of normoxic and hypoxic culture condition on early- and late-passage adipose-derived MSCs. We examined effect of each condition on the expression of key stem cell marker genes POU5F1, NANOG, and KLF4, as well as differentiation genes RUNX2, COL1A1, SOX9, COL2A1, and PPARG. We found that expression levels of stem cell marker genes and osteogenic and chondrogenic genes were higher in normoxia compared to hypoxia. Furthermore, expression of these genes reduced with passage number, with the exception of PPARG, an adipose differentiation marker, possibly due to the adipose origin of the MSCs. We confirmed by flow cytometry the presence of cell surface markers CD105, CD73, and CD90 and lack of expression of CD45, CD34, CD14, and CD19 across all conditions. Furthermore, in vitro differentiation confirmed that both early- and late-passage adipose-derived MSCs grown in hypoxia or normoxia could differentiate into chondrogenic and osteogenic cell types. Our results demonstrate that the minimal standard criteria to define MSCs as suitable for laboratory-based and preclinical studies can be maintained in early- or late-passage MSCs cultured in hypoxia or normoxia. Therefore, any of these culture conditions could be used when scaling up MSCs in bioreactors for allogeneic clinical applications or tissue engineering for the treatment of joint and bone diseases such as osteoarthritis.
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Casciaro F, Borghesan M, Beretti F, Zavatti M, Bertucci E, Follo MY, Maraldi T, Demaria M. Prolonged hypoxia delays aging and preserves functionality of human amniotic fluid stem cells. Mech Ageing Dev 2020; 191:111328. [DOI: 10.1016/j.mad.2020.111328] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/07/2020] [Accepted: 08/09/2020] [Indexed: 01/10/2023]
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Improved therapeutics of modified mesenchymal stem cells: an update. J Transl Med 2020; 18:42. [PMID: 32000804 PMCID: PMC6993499 DOI: 10.1186/s12967-020-02234-x] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 01/22/2020] [Indexed: 12/15/2022] Open
Abstract
Background Mesenchymal stromal cells (MSCs) have attracted intense interest due to their powerful intrinsic properties of self-regeneration, immunomodulation and multi-potency, as well as being readily available and easy to isolate and culture. Notwithstanding, MSC based therapy suffers reduced efficacy due to several challenges which include unfavorable microenvironmental factors in vitro and in vivo. Body In the quest to circumvent these challenges, several modification techniques have been applied to the naïve MSC to improve its inherent therapeutic properties. These modification approaches can be broadly divided into two groups to include genetic modification and preconditioning modification (using drugs, growth factors and other molecules). This field has witnessed great progress and continues to gather interest and novelty. We review these innovative approaches in not only maintaining, but also enhancing the inherent biological activities and therapeutics of MSCs with respect to migration, homing to target site, adhesion, survival and reduced premature senescence. We discuss the application of the improved modified MSC in some selected human diseases. Possible ways of yet better enhancing the therapeutic outcome and overcoming challenges of MSC modification in the future are also elaborated. Conclusion The importance of prosurvival and promigratory abilities of MSCs in their therapeutic applications can never be overemphasized. These abilities are maintained and even further enhanced via MSC modifications against the inhospitable microenvironment during culture and transplantation. This is a turning point in MSC-based therapy with promising preclinical studies and higher future prospect.
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Adipose-derived stromal cell immunosuppression of T cells is enhanced under "physiological" hypoxia. Tissue Cell 2019; 63:101320. [PMID: 32223948 DOI: 10.1016/j.tice.2019.101320] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/12/2019] [Accepted: 12/02/2019] [Indexed: 01/10/2023]
Abstract
Multipotent mesenchymal stromal cells (MSCs) are characterized by immunomodulatory properties along with the high proliferative and paracrine activity, as well as multilineage potency. The effects of MSCs on the T cell adaptive immunity are of a special interest. Low O2 level (1-7 %) is known to be typical for the putative site of the MSC - T cell interactions. A comparative evaluation of the effects of adipose tissue derived MSC (ASCs) on the mitogen-stimulated T cells at the ambient (20 %) and tissue-related (5 %) O2 levels demonstrated reduced T cell activation by the HLA-DR expression, decreased pro-inflammatory and increased anti-inflammatory cytokine production in co-culture, inhibited T cell proliferation, with the effects increased at hypoxia. T cell interactions with ASCs resulted in the up-regulation of PDCD1, Foxp3, and TGFβ1 known to play an important role in the immune response suppression, and in the down-regulation of genes involved in the inflammatory reaction (IL2, IFNG). These changes were significantly increased under hypoxia. At the same time, neither ASCs nor the reduced O2 level had negative effects on the viability of T cells.
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Mesenchymal stem cell perspective: cell biology to clinical progress. NPJ Regen Med 2019; 4:22. [PMID: 31815001 PMCID: PMC6889290 DOI: 10.1038/s41536-019-0083-6] [Citation(s) in RCA: 1058] [Impact Index Per Article: 211.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 09/20/2019] [Indexed: 02/07/2023] Open
Abstract
The terms MSC and MSCs have become the preferred acronym to describe a cell and a cell population of multipotential stem/progenitor cells commonly referred to as mesenchymal stem cells, multipotential stromal cells, mesenchymal stromal cells, and mesenchymal progenitor cells. The MSCs can differentiate to important lineages under defined conditions in vitro and in limited situations after implantation in vivo. MSCs were isolated and described about 30 years ago and now there are over 55,000 publications on MSCs readily available. Here, we have focused on human MSCs whenever possible. The MSCs have broad anti-inflammatory and immune-modulatory properties. At present, these provide the greatest focus of human MSCs in clinical testing; however, the properties of cultured MSCs in vitro suggest they can have broader applications. The medical utility of MSCs continues to be investigated in over 950 clinical trials. There has been much progress in understanding MSCs over the years, and there is a strong foundation for future scientific research and clinical applications, but also some important questions remain to be answered. Developing further methods to understand and unlock MSC potential through intracellular and intercellular signaling, biomedical engineering, delivery methods and patient selection should all provide substantial advancements in the coming years and greater clinical opportunities. The expansive and growing field of MSC research is teaching us basic human cell biology as well as how to use this type of cell for cellular therapy in a variety of clinical settings, and while much promise is evident, careful new work is still needed.
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Ribeiro TO, Silveira BM, Meira MC, Carreira ACO, Sogayar MC, Meyer R, Fortuna V. Investigating the potential of the secretome of mesenchymal stem cells derived from sickle cell disease patients. PLoS One 2019; 14:e0222093. [PMID: 31665139 PMCID: PMC6821040 DOI: 10.1371/journal.pone.0222093] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 08/21/2019] [Indexed: 02/07/2023] Open
Abstract
Sickle cell disease (SCD) is a monogenic red cell disorder associated with multiple vascular complications, microvessel injury and wound-healing deficiency. Although stem cell transplantation with bone marrow-derived mesenchymal stem cells (BMSC) can promote wound healing and tissue repair in SCD patients, therapeutic efficacy is largely dependent on the paracrine activity of the implanted BM stromal cells. Since in vitro expansion and culture conditions are known to modulate the innate characteristics of BMSCs, the present study investigated the effects of normoxic and hypoxic cell-culture preconditioning on the BMSC secretome, in addition to the expression of paracrine molecules that induce angiogenesis and skin regeneration. BMSCs derived from SCD patients were submitted to culturing under normoxic (norCM) and hypoxic (hypoCM) conditions. We found that hypoxically conditioned cells presented increased expression and secretion of several well-characterized trophic growth factors (VEGF, IL8, MCP-1, ANG) directly linked to angiogenesis and tissue repair. The hypoCM secretome presented stronger angiogenic potential than norCM, both in vitro and in vivo, as evidenced by HUVEC proliferation, survival, migration, sprouting formation and in vivo angiogenesis. After local application in a murine wound-healing model, HypoCM showed significantly improved wound closure, as well as enhanced neovascularization in comparison to untreated controls. In sum, the secretome of hypoxia-preconditioned BMSC has increased expression of trophic factors involved in angiogenesis and skin regeneration. Considering that these preconditioned media are easily obtainable, this strategy represents an alternative to stem cell transplantation and could form the basis of novel therapies for vascular regeneration and wound healing in individuals with sickle cell disease.
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Affiliation(s)
- Tiago O. Ribeiro
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
| | - Brysa M. Silveira
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
| | - Mercia C. Meira
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
| | - Ana C. O. Carreira
- Cell and Molecular Therapy Center NUCEL-NETCEM, School of Medicine, Internal Medicine Department, University of São Paulo, São Paulo, SP, Brazil
| | - Mari Cleide Sogayar
- Cell and Molecular Therapy Center NUCEL-NETCEM, School of Medicine, Internal Medicine Department, University of São Paulo, São Paulo, SP, Brazil
- Chemistry Institute, Biochemistry Department, University of São Paulo, São Paulo, SP, Brazil
| | - Roberto Meyer
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
| | - Vitor Fortuna
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
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The Effects of Hypoxia on the Immune-Modulatory Properties of Bone Marrow-Derived Mesenchymal Stromal Cells. Stem Cells Int 2019; 2019:2509606. [PMID: 31687031 PMCID: PMC6800910 DOI: 10.1155/2019/2509606] [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: 01/24/2019] [Revised: 08/11/2019] [Accepted: 09/09/2019] [Indexed: 01/09/2023] Open
Abstract
The therapeutic repertoire for life-threatening inflammatory conditions like sepsis, graft-versus-host reactions, or colitis is very limited in current clinical practice and, together with chronic ones, like the osteoarthritis, presents growing economic burden in developed countries. This urges the development of more efficient therapeutic modalities like the mesenchymal stem cell-based approaches. Despite the encouraging in vivo data, however, clinical trials delivered ambiguous results. Since one of the typical features of inflamed tissues is decreased oxygenation, the success of cellular therapy in inflammatory pathologies seems to be affected by the impact of oxygen depletion on transplanted cells. Here, we examine our current knowledge on the effect of hypoxia on the physiology of bone marrow-derived mesenchymal stromal cells, one of the most popular tools of practical cellular therapy, in the context of their immune-modulatory capacity.
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Maraldi T, Prata C, Marrazzo P, Hrelia S, Angeloni C. Natural Compounds as a Strategy to Optimize " In Vitro" Expansion of Stem Cells. Rejuvenation Res 2019; 23:93-106. [PMID: 31368407 DOI: 10.1089/rej.2019.2187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The efficient use of stem cells for transplantation is often limited by the relatively low number of stem cells collected. The ex vivo expansion of human stem cells for clinical use is a potentially valuable approach to increase stem cell number. Currently, most of the procedures used to expand stem cells are carried out using a 21% oxygen concentration, which is about 4- to 10-fold greater than the concentration characteristic of their natural niches. Hyperoxia might cause oxidative stress with a deleterious effect on the physiology of cultured stem cells. In this review, we investigate and critically examine the available information on the ability of natural compounds to counteract hyperoxia-induced damage in different types of stem cells ex vivo. In particular, we focused on proliferation and stemness maintenance in an attempt to draw up useful indications to define new culture media with a promoting activity on cell expansion in vitro.
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Affiliation(s)
- Tullia Maraldi
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Bologna, Italy
| | - Pasquale Marrazzo
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Rimini, Italy
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Rimini, Italy
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29
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Zhang M, Shi X, Wu J, Wang Y, Lin J, Zhao Y, Li H, Ren M, Hu R, Liu F, Deng H. CoCl 2 induced hypoxia enhances osteogenesis of rat bone marrow mesenchymal stem cells through cannabinoid receptor 2. Arch Oral Biol 2019; 108:104525. [PMID: 31472278 DOI: 10.1016/j.archoralbio.2019.104525] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 08/02/2019] [Accepted: 08/12/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This study aims to investigate the role of Cannabinoid receptor 2 (CB2) on osteogenesis of bone marrow-derived mesenchymal stem cells (BMSCs) under hypoxia. MATERIALS AND METHODS BMSCs were isolated from Sprague-Dawley rats and cultured in the presence of cobalt chloride (CoCl2) to induce intracellular hypoxia. Cell proliferation was measured with MTT assay. Quantitative real-time PCR and western blot were applied to evaluate the mRNA and protein expressions of CB2 and osteogenic indicators including osteocalcin, RUNX2, collagen-1 and osterix (SP7). The osteogenic differentiation of BMSCs was further examined by ALP assay and alizarin red S (ARS) staining. Moreover, the activation of MAPKs signaling pathways was analyzed by western blot. RESULTS CoCl2 dose-dependently increased hypoxia inducible factor while higher concentrations (200 and 400 μM) of CoCl2 markedly inhibited cell proliferation. CoCl2 induced hypoxia significantly increased the protein and mRNA expressions of osteocalcin, RUNX2, collagen-1 and osterix, along with enhanced ALP and ARS staining. Interestingly, such effects can be inhibited by the addition of CB2 inhibitor AM630. Moreover, AM630 partially inhibited hypoxia-induced p38 and ERK pathways, which may lead to a decrease in the osteogenic transcripts of RUNX2, collagen-1 and osterix. CONCLUSIONS CoCl2 induced hypoxia could promote osteogenesis of rat BMSCs possibly through CB2.
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Affiliation(s)
- Menghan Zhang
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xinlian Shi
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jingxiang Wu
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yi Wang
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian Lin
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ya Zhao
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Huimin Li
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Manman Ren
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Rongdang Hu
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Fen Liu
- Department of Histology and Embryology, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Hui Deng
- School of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Abstract
The need to search for new, alternative treatments for various diseases has prompted scientists and physicians to focus their attention on regenerative medicine and broadly understood cell therapies. Currently, stem cells are being investigated for their potentially widespread use in therapies for many untreatable diseases. Nowadays modern treatment strategies willingly use mesenchymal stem cells (MSCs) derived from different sources. Researchers are increasingly aware of the nature of MSCs and new possibilities for their use. Due to their properties, especially their ability to self-regenerate, differentiate into several cell lineages and participate in immunomodulation, MSCs have become a promising tool in developing modern and efficient future treatment strategies. The great potential and availability of MSCs allow for their various clinical applications in the treatment of many incurable diseases. In addition to their many advantages and benefits, there are still questions about the use of MSCs. What are the mechanisms of action of MSCs? How do they reach their destination? Is the clinical use of MSCs safe? These are the main questions that arise regarding MSCs when they are considered as therapeutic tools. The diversity of MSCs, their different clinical applications, and their many traits that have not yet been thoroughly investigated are sources of discussions and controversial opinions about these cells. Here, we reviewed the current knowledge about MSCs in terms of their therapeutic potential, clinical effects and safety in clinical applications.
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Affiliation(s)
- Aleksandra Musiał-Wysocka
- 1 Department of Transplantation, Jagiellonian University Medical College, Cracow, Poland.,Both the authors contributed equally in this article
| | - Marta Kot
- 1 Department of Transplantation, Jagiellonian University Medical College, Cracow, Poland.,Both the authors contributed equally in this article
| | - Marcin Majka
- 1 Department of Transplantation, Jagiellonian University Medical College, Cracow, Poland
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31
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Hu C, Zhao L, Wu D, Li L. Modulating autophagy in mesenchymal stem cells effectively protects against hypoxia- or ischemia-induced injury. Stem Cell Res Ther 2019; 10:120. [PMID: 30995935 PMCID: PMC6471960 DOI: 10.1186/s13287-019-1225-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
In mammals, a basal level of autophagy, a self-eating cellular process, degrades cytosolic proteins and subcellular organelles in lysosomes to provide energy, recycles the cytoplasmic components, and regenerates cellular building blocks; thus, autophagy maintains cellular and tissue homeostasis in all eukaryotic cells. In general, adaptive autophagy increases when cells confront stressful conditions to improve the survival rate of the cells, while destructive autophagy is activated when the cellular stress is not manageable and elicits the regenerative capacity. Hypoxia-reoxygenation (H/R) injury and ischemia-reperfusion (I/R) injury initiate excessive autophagy and endoplasmic reticulum (ER) stress and consequently induce a string of damage in mammalian tissues or organs. Mesenchymal stem cell (MSC)-based therapy has yielded promising results in repairing H/R- or I/R-induced injury in various tissues. However, MSC transplantation in vivo must overcome the barriers including the low survival rate of transplanted stem cells, limited targeting capacity, and low grafting potency; therefore, much effort is needed to increase the survival and activity of MSCs in vivo. Modulating autophagy regulates the stemness and the anti-oxidative stress, anti-apoptosis, and pro-survival capacity of MSCs and can be applied to MSC-based therapy for repairing H/R- or I/R-induced cellular or tissue injury.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lingfei Zhao
- Kidney Disease Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Kidney Disease Prevention and Control Technology, Hangzhou, Zhejiang, People's Republic of China.,Institute of Nephrology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Daxian Wu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lanjuan Li
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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32
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Hu C, Zhao L, Peng C, Li L. Regulation of the mitochondrial reactive oxygen species: Strategies to control mesenchymal stem cell fates ex vivo and in vivo. J Cell Mol Med 2018; 22:5196-5207. [PMID: 30160351 PMCID: PMC6201215 DOI: 10.1111/jcmm.13835] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 07/11/2018] [Indexed: 12/18/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are broadly used in cell‐based regenerative medicine because of their self‐renewal and multilineage potencies in vitro and in vivo. To ensure sufficient amounts of MSCs for therapeutic purposes, cells are generally cultured in vitro for long‐term expansion or specific terminal differentiation until cell transplantation. Although physiologically up‐regulated reactive oxygen species (ROS) production is essential for maintenance of stem cell activities, abnormally high levels of ROS can harm MSCs both in vitro and in vivo. Overall, additional elucidation of the mechanisms by which physiological and pathological ROS are generated is necessary to better direct MSC fates and improve their therapeutic effects by controlling external ROS levels. In this review, we focus on the currently revealed ROS generation mechanisms and the regulatory routes for controlling their rates of proliferation, survival, senescence, apoptosis, and differentiation. A promising strategy in future regenerative medicine involves regulating ROS generation via various means to augment the therapeutic efficacy of MSCs, thus improving the prognosis of patients with terminal diseases.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lingfei Zhao
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.,Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, Institute of Nephrology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Conggao Peng
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lanjuan Li
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
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33
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Elabd C, Ichim TE, Miller K, Anneling A, Grinstein V, Vargas V, Silva FJ. Comparing atmospheric and hypoxic cultured mesenchymal stem cell transcriptome: implication for stem cell therapies targeting intervertebral discs. J Transl Med 2018; 16:222. [PMID: 30097061 PMCID: PMC6086019 DOI: 10.1186/s12967-018-1601-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 08/04/2018] [Indexed: 02/07/2023] Open
Abstract
Background Mesenchymal stem cells (MSCs) represent an attractive avenue for cellular therapies targeting degenerative diseases. MSC in vitro expansion is required in order to obtain therapeutic numbers during the manufacturing process. It is known that culture conditions impact cellular properties and behavior after in vivo transplantation. In this study, we aimed at evaluating the benefit of hypoxic culturing of human bone marrow derived mesenchymal stem cells on cell fitness and whole genome expression and discussed its implication on cellular therapies targeting orthopedic diseases such as chronic lower back pain. Methods Human bone marrow mesenchymal stem cells (hBMMSCs) were isolated from fresh human anticoagulated whole bone marrow and were cultured side by side in atmospheric (20% O2) and hypoxic (5% O2) oxygen partial pressure for up to 3 passages. Stem cell fitness was assessed by clonogenic assay, cell surface marker expression and differentiation potential. Whole genome expression was performed by mRNA sequencing. Data from clonogenic assays, cell surface marker by flow cytometry and gene expression by quantitative PCR were analyzed by two-tailed paired Student’s t-test. Data from mRNA sequencing were aligned to hg19 using Tophat-2.0.13 and analyzed using Cufflinks-2.1.1. Results Hypoxic culturing of hBMMSCs had positive effects on cell fitness, as evidenced by an increased clonogenicity and improved differentiation potential towards adipocyte and chondrocyte lineages. No difference in osteoblast differentiation or in cell surface markers were observed. Only a small subset of genes (34) were identified by mRNA sequencing to be significantly dysregulated by hypoxia. When clustered by biological function, these genes were associated with chondrogenesis and cartilage metabolism, inflammation and immunomodulation, cellular survival, migration and proliferation, vasculogenesis and angiogenesis. Conclusions Hypoxic culturing positively impacted hBMMSCs fitness and transcriptome, potentially improving inherent properties of these cells that are critical for the development of successful cellular therapies. Hypoxic culturing should be considered for the in vitro expansion of hBMMSCs during manufacturing of cellular therapies targeting orthopedic disorders such as lower back pain.
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Affiliation(s)
- C Elabd
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA
| | - T E Ichim
- Immune Advisors, LLC, La Jolla, CA, 92037, USA
| | - K Miller
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA
| | - A Anneling
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA
| | - V Grinstein
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA
| | - V Vargas
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA
| | - F J Silva
- BioRestorative Therapies, Inc., 40 Marcus Drive, Suite 1, Melville, NY, 11747, USA.
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34
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Mathematical Modeling Reveals the Role of Hypoxia in the Promotion of Human Mesenchymal Stem Cell Long-Term Expansion. Stem Cells Int 2018; 2018:9283432. [PMID: 29861746 PMCID: PMC5976908 DOI: 10.1155/2018/9283432] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 04/18/2018] [Accepted: 04/29/2018] [Indexed: 12/12/2022] Open
Abstract
Many experimental studies have found that human mesenchymal stem cells (MSCs) in long-term culture exhibited enhanced cell proliferation and prolonged lifespan under hypoxia (around 1%–7% oxygen) against the normoxic condition (about 21% oxygen). Inspired by the experimental findings, we aimed to investigate the hypoxic effects on MSC expansion quantitatively through mathematical modeling to elucidate the corresponding biological mechanism. A two-compartment model based on ordinary differential equations (ODEs), which incorporate cellular division and senescence via state transition, was developed to describe the MSC expansion process. Parameters of this model were fitted to experimental data and used to interpret the different proliferative capacities of MSCs under hypoxia and normoxia along with model sensitivity analysis. The proposed model was tested on data from two separate experimental studies, and it could reproduce the observed growth characteristics in both conditions. Overall, this compartmental model with a logistic state transition rate was sufficient to explain the experimental findings and highlighted the promotive role of hypoxia in MSC proliferation. This in silico study suggests that hypoxia can enhance MSC long-term expansion mainly by delaying replicative senescence, which is indicated by the slowdown of the state transition rate in our model. Therefore, this explanatory model may provide theoretical proof for the experimentally observed MSC growth superiority under hypoxia and has the potential to further optimize MSC culture protocols for regenerative medicine applications.
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35
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Wang D, Chen D, Yu J, Liu J, Shi X, Sun Y, Pan Q, Luo X, Yang J, Li Y, Cao H, Li L, Li L. Impact of Oxygen Concentration on Metabolic Profile of Human Placenta-Derived Mesenchymal Stem Cells As Determined by Chemical Isotope Labeling LC-MS. J Proteome Res 2018; 17:1866-1878. [PMID: 29671598 DOI: 10.1021/acs.jproteome.7b00887] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The placenta resides in a physiologically low oxygen microenvironment of the body. Hypoxia induces a wide range of stem cell cellular activities. Here, we report a workflow for exploring the role of physiological (hypoxic, 5% oxygen) and original cell culture (normoxic, 21% oxygen) oxygen concentrations in regulating the metabolic status of human placenta-derived mesenchymal stem cells (hPMSCs). The general biological characteristics of hPMSCs were assessed via a variety of approaches such as cell counts, flow cytometry and differentiation study. A sensitive 13C/12C-dansyl labeling liquid chromatography-mass spectrometry (LC-MS) method targeting the amine/phenol submetabolome was used for metabolic profiling of the cell and corresponding culture supernatant. Multivariate and univariate statistical analyses were used to analyze the metabolomics data. hPMSCs cultured in hypoxia display smaller size, higher proliferation, greater differentiation ability and no difference in immunophenotype. Overall, 2987 and 2860 peak pairs or metabolites were detected and quantified in hPMSCs and culture supernatant, respectively. Approximately 86.0% of cellular metabolites and 84.3% of culture supernatant peak pairs were identified using a dansyl standard library or matched to metabolite structures using accurate mass search against human metabolome libraries. The orthogonal partial least-squares discriminant analysis (OPLS-DA) showed a clear separation between the hypoxic group and the normoxic group. Ten metabolites from cells and six metabolites from culture supernatant were identified as potential biomarkers of hypoxia. This study demonstrated that chemical isotope labeling LC-MS can be used to reveal the role of oxygen in the regulation of hPMSC metabolism, whereby physiological oxygen concentrations may promote arginine and proline metabolism, pantothenate and coenzyme A (CoA) biosynthesis, and alanine, aspartate and glutamate metabolism.
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Affiliation(s)
- Dan Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Deying Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Jiong Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Jingqi Liu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Xiaowei Shi
- Chu Kochen Honors College , Zhejiang University , 866 Yuhangtang Road , Hangzhou 310058 , China
| | - Yanni Sun
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Qiaoling Pan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Xian Luo
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Jinfeng Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Yang Li
- Obstetrical Department, The First Affiliated Hospital, College of Medicine , Zhejiang University , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Hongcui Cao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
| | - Liang Li
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine , Zhejiang University, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases , 79 Qingchun Road , Hangzhou City 310003 , China
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Zhang C, Zhang E, Yang L, Tu W, Lin J, Yuan C, Bunpetch V, Chen X, Ouyang H. Histone deacetylase inhibitor treated cell sheet from mouse tendon stem/progenitor cells promotes tendon repair. Biomaterials 2018; 172:66-82. [PMID: 29723756 DOI: 10.1016/j.biomaterials.2018.03.043] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 03/17/2018] [Accepted: 03/25/2018] [Indexed: 12/13/2022]
Abstract
Tendon stem/progenitor cells (TSPCs) have been identified as a rare population in tendons. In vitro propagation is indispensable to obtain sufficient quantities of TSPCs for therapies. However, culture-expanded TSPCs are prone to lose their phenotype, resulting in an inferior repaired capability. And little is known about the underlying mechanism. Here, we found that altered gene expression was associated with increased histone deacetylase (HDAC) activity and expression of HDAC subtypes. Therefore, we exposed ScxGFP mice-derived TSPCs to HDAC inhibitor (HDACi) trichostatin A (TSA) or valproic acid (VPA), and observed significant expansion of ScxGFP+ cells without altering phenotypic properties. TSA upregulated Scx expression by inhibiting HDAC1 and -3, and increasing the H3K27Ac level of Tgfb1 and -2 genome region. Additionally, cell sheets formed from TSA-pretreated mTSPCs retained the ability to accelerate tendon repair in vivo. Thus, our results uncovered an unrecognized role of HDACi in phenotypic and functional mTSPCs expansion to enhance their therapeutic potential.
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Affiliation(s)
- Can Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China; Institute of Biomedical Engineering, College of Biology, Hunan University, Changsha 410082, China
| | - Erchen Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Long Yang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Wenjing Tu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Junxin Lin
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Chunhui Yuan
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Varisara Bunpetch
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China
| | - Xiao Chen
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China.
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Tissue Engineering, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou 310058, China; Department of Sports Medicine, School of Medicine, Zhejiang University, Hangzhou 310058, China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China.
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Anitua E, Troya M, Zalduendo M. Progress in the use of dental pulp stem cells in regenerative medicine. Cytotherapy 2018; 20:479-498. [PMID: 29449086 DOI: 10.1016/j.jcyt.2017.12.011] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 12/11/2017] [Accepted: 12/27/2017] [Indexed: 12/13/2022]
Abstract
The field of tissue engineering is emerging as a multidisciplinary area with promising potential for regenerating new tissues and organs. This approach requires the involvement of three essential components: stem cells, scaffolds and growth factors. To date, dental pulp stem cells have received special attention because they represent a readily accessible source of stem cells. Their high plasticity and multipotential capacity to differentiate into a large array of tissues can be explained by its neural crest origin, which supports applications beyond the scope of oral tissues. Many isolation, culture and cryopreservation protocols have been proposed that are known to affect cell phenotype, proliferation rate and differentiation capacity. The clinical applications of therapies based on dental pulp stem cells demand the development of new biomaterials suitable for regenerative purposes that can act as scaffolds to handle, carry and implant stem cells into patients. Currently, the development of xeno-free culture media is emerging as a means of standardization to improve safe and reproducibility. The present review aims to describe the current knowledge of dental pulp stem cells, considering in depth the key aspects related to the characterization, establishment, maintenance and cryopreservation of primary cultures and their involvement in the multilineage differentiation potential. The main clinical applications for these stem cells and their combination with several biomaterials is also covered.
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Affiliation(s)
- Eduardo Anitua
- BTI-Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine and Oral Implantology UIRMI, UPV/EHU-Fundación Eduardo Anitua, Vitoria, Spain.
| | - María Troya
- BTI-Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine and Oral Implantology UIRMI, UPV/EHU-Fundación Eduardo Anitua, Vitoria, Spain
| | - Mar Zalduendo
- BTI-Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine and Oral Implantology UIRMI, UPV/EHU-Fundación Eduardo Anitua, Vitoria, Spain
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MGF E peptide pretreatment improves the proliferation and osteogenic differentiation of BMSCs via MEK-ERK1/2 and PI3K-Akt pathway under severe hypoxia. Life Sci 2017; 189:52-62. [DOI: 10.1016/j.lfs.2017.09.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/29/2017] [Accepted: 09/15/2017] [Indexed: 12/15/2022]
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