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Bouche Djatche WH, Zhu H, Ma W, Li Y, Li Z, Zhao H, Liu Z, Qiao H. Potential of mesenchymal stem cell-derived conditioned medium/secretome as a therapeutic option for ocular diseases. Regen Med 2023; 18:795-807. [PMID: 37702008 DOI: 10.2217/rme-2023-0089] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023] Open
Abstract
Research has shown that the therapeutic effect of mesenchymal stem cells (MSCs) is partially due to its secreted factors as opposed to the implantation of the cells into the treated tissue or tissue replacement. MSC secretome, especially in the form of conditioned medium (MSC-CM) is now being explored as an alternative to MSCs transplantation. Despite the observed benefits of MSC-CM, only a few clinical trials have evaluated it and other secretome components in the treatment of eye diseases. This review provides insight into the potential therapeutic use of MSC-CM in eye conditions, such as corneal diseases, dry eye, glaucoma, retinal diseases and uveitis. We discuss the current evidence, some limitations, and the progress that remains to be achieved before clinical translation becomes possible.
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Affiliation(s)
| | - Huimin Zhu
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Wenlei Ma
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Yue Li
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Ziang Li
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Hong Zhao
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Zhizhen Liu
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
| | - Hua Qiao
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030001, China
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Paar V, Jirak P, Gruber S, Prodinger C, Cadamuro J, Wernly B, Motloch LJ, Haschke-Becher E, Hoppe UC, Lichtenauer M. Influence of dabigatran on pro-inflammatory cytokines, growth factors and chemokines - Slowing the vicious circle of coagulation and inflammation. Life Sci 2020; 262:118474. [PMID: 32961229 DOI: 10.1016/j.lfs.2020.118474] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/08/2020] [Accepted: 09/16/2020] [Indexed: 12/14/2022]
Abstract
AIMS Blood coagulation is one of the most important host-defending mechanisms in vivo by maintaining the blood pressure after injury. However, besides maintaining homeostasis, blood coagulation and the contributing factors are directly linked to pathological conditions, such as thromboembolism and inflammation, leading to cardiovascular diseases, among others. As anti-inflammatory drugs may reduce cardiovascular events, we hypothesized in this study that the direct thrombin inhibitor dabigatran may reduce cytokine, growth factor and chemokine expression in vitro. MAIN METHODS Initially, human whole blood was incubated in tubes for serum, EDTA plasma, and heparinized plasma. Furthermore, human PBMCs were isolated and incubated under different culture conditions, including the treatment with human serum or thrombin, respectively. The effect of the oral anticoagulant dabigatran on pro-inflammatory cytokines, growth factors and chemokines was investigated by ELISA. KEY FINDINGS Conditioned serum resulted in a significant alteration of the secretome's protein levels after 24 h. However, solely ANG showed a dose-dependent increment by the addition of serum (79.8 ± 9.2 ng/mL) in comparison to baseline (0.2 ± 0.2 ng/mL), as it was in trend for thrombin treatment. Furthermore, the pre-treatment of PBMCs with different doses of dabigatran significantly lowered supernatant protein levels measured. Moreover, dabigatran was shown to decrease most notably the growth factor and chemokine levels in the PBMC's secretome that were treated with 200 ng/mL thrombin in a dose-dependent manner. SIGNIFICANCE In conclusion, novel oral anticoagulants, such as dabigatran, could help to reduce not only procoagulatory effects in inflammatory conditions but could also reduce proinflammatory stimuli via reduced expression of cytokines and chemokines.
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Affiliation(s)
- Vera Paar
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria.
| | - Peter Jirak
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Susanne Gruber
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Christine Prodinger
- Department of Dermatology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Janne Cadamuro
- Department of Laboratory Medicine, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Bernhard Wernly
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Lukas J Motloch
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | | | - Uta C Hoppe
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria
| | - Michael Lichtenauer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria.
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Aceves JL, López RV, Terán PM, Escobedo CM, Marroquín Muciño MA, Castillo GG, Estrada MM, García FR, Quiroz GD, Montaño Estrada LF. Autologous CXCR4+ Hematopoietic Stem Cells Injected into the Scar Tissue of Chronic Myocardial Infarction Patients Normalizes Tissue Contractility and Perfusion. Arch Med Res 2020; 51:135-144. [PMID: 32113784 DOI: 10.1016/j.arcmed.2019.12.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 12/05/2019] [Accepted: 12/17/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Chronic myocardial infarction (CMI), represents a public health and a financial burden. Since stem cell transplant is used to regenerate cardiac tissue after acute myocardial infarction. AIM OF THE STUDY To determine if autologous CXCR4 stem cells could restore damaged myocardial tissue in patients with CMI lesions. METHODS 20 NYHA grade III male patients with CMI defined by clinical, biochemical, ECG and echocardiographic parameters were included. Patients were treated with G-CSF for 6 d before isolating their autologous stem cells from PBMCs. Cell phenotyping was done by cytofluorometry using monoclonal antibodies (anti-CXCR4, -CD34, -48, -117, -133, -Ki67, -SDF1 and CXCR4); CXCR4 cell subpopulations isolated by sorting were adjusted to 1 × 108 cells by subpopulation and injected in a circular pattern into the cicatrix previously defined by echocardiography. RESULTS Patients were followed for 6 and 12 months. Six months after cell implant improvements in left ventricle ejection fraction (from 33-50%), stress rate values (from -3/-9% to -18/-22%), stress tests (from 4-12 METS), and the quantity of left ventricle affected segments (3-9) disappeared according to the G-SPECT images. 12 months evaluations did not show significant differences. Interestingly, 3 months after cell implant the ECG showed normal electrical activity in 9 patients whereas after 6 months it was normal in all the patients. CONCLUSIONS These results ratify that locally injected autologous CXCR4+ bone marrow-derived stem cells have a physiological and a clinical impact in patients with CMI.
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Affiliation(s)
- José Luis Aceves
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico.
| | - Rafael Vilchis López
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Paúl Mondragón Terán
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Carmen Martínez Escobedo
- Departamento de Cardiología Nuclear, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Mario A Marroquín Muciño
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Guillermo García Castillo
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Miriam Marmolejo Estrada
- Unidad de Aféresis, Banco de Sangre, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Fernando Rodríguez García
- Unidad de Aféresis, Banco de Sangre, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Guillermo Díaz Quiroz
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Luis Felipe Montaño Estrada
- Departamento de Biología Celular y Tisular, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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Denninger JK, Chen X, Turkoglu AM, Sarchet P, Volk AR, Rieskamp JD, Yan P, Kirby ED. Defining the adult hippocampal neural stem cell secretome: In vivo versus in vitro transcriptomic differences and their correlation to secreted protein levels. Brain Res 2020; 1735:146717. [PMID: 32035887 DOI: 10.1016/j.brainres.2020.146717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 02/03/2020] [Accepted: 02/05/2020] [Indexed: 01/08/2023]
Abstract
Adult hippocampal neural stem and progenitor cells (NSPCs) secrete a variety of proteins that affect tissue function. Though several individual NSPC-derived proteins have been shown to impact key cellular processes, a broad characterization is lacking. Secretome profiling of low abundance stem cell populations is typically achieved via proteomic characterization of in vitro, isolated cells. Here, we identified hundreds of secreted proteins in conditioned media from in vitro adult mouse hippocampal NSPCs using an antibody array and mass spectrometry. Comparison of protein abundance between antibody array and mass spectrometry plus quantification of several key secreted proteins by ELISA revealed notable disconnect between methods in what proteins were identified as being high versus low abundance, suggesting that data from antibody arrays in particular should be approached with caution. We next assessed the NSPC secretome on a transcriptional level with single cell and bulk RNA sequencing (RNAseq) of cultured NSPCs. Comparison of RNAseq transcript levels of highly secreted proteins revealed that quantification of gene expression did not necessarily predict relative protein abundance. Interestingly, comparing our in vitro NSPC gene expression data with similar data from freshly isolated, in vivo hippocampal NSPCs revealed strong correlations in global gene expression between in vitro and in vivo NSPCs. Understanding the components and functions of the NSPC secretome is essential to understanding how these cells may modulate the hippocampal neurogenic niche. Cumulatively, our data emphasize the importance of using proteomics in conjunction with transcriptomics and highlights the need for better methods of unbiased secretome profiling.
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Affiliation(s)
- Jiyeon K Denninger
- Department of Psychology, College of Arts and Sciences, The Ohio State University, United States
| | - Xi Chen
- Comprehensive Cancer Center, The Ohio State University, United States
| | - Altan M Turkoglu
- College of Arts and Sciences, The Ohio State University, United States
| | - Patricia Sarchet
- Comprehensive Cancer Center, The Ohio State University, United States
| | - Abby R Volk
- College of Arts and Sciences, The Ohio State University, United States
| | - Joshua D Rieskamp
- Neuroscience Graduate Program, The Ohio State University, United States
| | - Pearlly Yan
- Comprehensive Cancer Center, The Ohio State University, United States; Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, United States
| | - Elizabeth D Kirby
- Department of Psychology, College of Arts and Sciences, The Ohio State University, United States; Department of Neuroscience, The Ohio State University, United States; Chronic Brain Injury Initiative, The Ohio State University, United States.
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Anti-CD3 Antibody Treatment Reduces Scar Formation in a Rat Model of Myocardial Infarction. Cells 2020; 9:cells9020295. [PMID: 31991811 PMCID: PMC7072364 DOI: 10.3390/cells9020295] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/18/2020] [Accepted: 01/21/2020] [Indexed: 02/07/2023] Open
Abstract
Introduction: Antibody treatment with anti-thymocyte globulin (ATG) has been shown to be cardioprotective. We aimed to evaluate which single anti-T-cell epitope antibody alters chemokine expression at a level similar to ATG and identified CD3, which is a T-cell co-receptor mediating T-cell activation. Based on these results, the effects of anti-CD3 antibody treatment on angiogenesis and cardioprotection were tested in vitro and in vivo. Methods: Concentrations of IL-8 and MCP-1 in supernatants of human peripheral blood mononuclear cell (PBMC) cultures following distinct antibody treatments were evaluated by Enzyme-linked Immunosorbent Assay (ELISA). In vivo, anti-CD3 antibodies or vehicle were injected intravenously in rats subjected to acute myocardial infarction (AMI). Chemotaxis and angiogenesis were evaluated using tube and migration assays. Intracellular pathways were assessed using Western blot. Extracellular vesicles (EVs) were quantitatively evaluated using fluorescence-activated cell scanning, exoELISA, and nanoparticle tracking analysis. Also, microRNA profiles were determined by next-generation sequencing. Results: Only PBMC stimulation with anti-CD3 antibody led to IL-8 and MCP-1 changes in secretion, similar to ATG. In a rat model of AMI, systemic treatment with an anti-CD3 antibody markedly reduced infarct scar size (27.8% (Inter-quartile range; IQR 16.2–34.9) vs. 12.6% (IQR 8.3–27.2); p < 0.01). The secretomes of anti-CD3 treated PBMC neither induced cardioprotective pathways in cardiomyocytes nor pro-angiogenic mechanisms in human umbilical vein endothelial cell (HUVECs) in vitro. While EVs quantities remained unchanged, PBMC incubation with an anti-CD3 antibody led to alterations in EVs miRNA expression. Conclusion: Treatment with an anti-CD3 antibody led to decreased scar size in a rat model of AMI. Whereas cardioprotective and pro-angiogenetic pathways were unaltered by anti-CD3 treatment, qualitative changes in the EVs miRNA expression could be observed, which might be causal for the observed cardioprotective phenotype. We provide evidence that EVs are a potential cardioprotective treatment target. Our findings will also provide the basis for a more detailed analysis of putatively relevant miRNA candidates.
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Carotenuto F, Teodori L, Maccari AM, Delbono L, Orlando G, Di Nardo P. Turning regenerative technologies into treatment to repair myocardial injuries. J Cell Mol Med 2019; 24:2704-2716. [PMID: 31568640 PMCID: PMC7077550 DOI: 10.1111/jcmm.14630] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 06/28/2019] [Accepted: 07/23/2019] [Indexed: 02/06/2023] Open
Abstract
Regenerative therapies including stem cell treatments hold promise to allow curing patients affected by severe cardiac muscle diseases. However, the clinical efficacy of stem cell therapy remains elusive, so far. The two key roadblocks that still need to be overcome are the poor cell engraftment into the injured myocardium and the limited knowledge of the ideal mixture of bioactive factors to be locally delivered for restoring heart function. Thus, therapeutic strategies for cardiac repair are directed to increase the retention and functional integration of transplanted cells in the damaged myocardium or to enhance the endogenous repair mechanisms through cell‐free therapies. In this context, biomaterial‐based technologies and tissue engineering approaches have the potential to dramatically impact cardiac translational medicine. This review intends to offer some consideration on the cell‐based and cell‐free cardiac therapies, their limitations and the possible future developments.
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Affiliation(s)
- Felicia Carotenuto
- Centro Interdipartimentale di Medicina Rigenerativa, Università di Roma Tor Vergata, Rome, Italy.,Dipartimento di Scienze Cliniche e Medicina Traslazionale, Università di Roma Tor Vergata, Rome, Italy.,Diagnostics and Metrology (FSN-TECFIS-DIM), ENEA, C.R. Frascati, Rome, Italy
| | - Laura Teodori
- Diagnostics and Metrology (FSN-TECFIS-DIM), ENEA, C.R. Frascati, Rome, Italy
| | - Anna Maria Maccari
- Centro Interdipartimentale di Medicina Rigenerativa, Università di Roma Tor Vergata, Rome, Italy.,Dipartimento di Scienze Cliniche e Medicina Traslazionale, Università di Roma Tor Vergata, Rome, Italy
| | - Luciano Delbono
- Wake Forest University School of Medicine, Winston Salem, NC, USA
| | - Giuseppe Orlando
- Wake Forest University School of Medicine, Winston Salem, NC, USA.,Department of Surgery, Wake Forest University School of Medicine, Winston Salem, NC, USA
| | - Paolo Di Nardo
- Centro Interdipartimentale di Medicina Rigenerativa, Università di Roma Tor Vergata, Rome, Italy.,Dipartimento di Scienze Cliniche e Medicina Traslazionale, Università di Roma Tor Vergata, Rome, Italy.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia
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Regenerative Cardiovascular Therapies: Stem Cells and Beyond. Int J Mol Sci 2019; 20:ijms20061420. [PMID: 30901815 PMCID: PMC6470623 DOI: 10.3390/ijms20061420] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/17/2019] [Accepted: 03/19/2019] [Indexed: 12/20/2022] Open
Abstract
Although reperfusion therapy has improved outcomes, acute myocardial infarction (AMI) is still associated with both significant mortality and morbidity. Once irreversible myocardial cell death due to ischemia and reperfusion sets in, scarring leads to reduction in left ventricular function and subsequent heart failure. Regenerative cardiovascular medicine experienced a boost in the early 2000s when regenerative effects of bone marrow stem cells in a murine model of AMI were described. Translation from an animal model to stem cell application in a clinical setting was rapid and the first large trials in humans suffering from AMI were conducted. However, high initial hopes were early shattered by inconsistent results of randomized clinical trials in patients suffering from AMI treated with stem cells. Hence, we provide an overview of both basic science and clinical trials carried out in regenerative cardiovascular therapies. Possible pitfalls in specific cell processing techniques and trial design are discussed as these factors influence both basic science and clinical outcomes. We address possible solutions. Alternative mechanisms and explanations for effects seen in both basic science and some clinical trials are discussed here, with special emphasis on paracrine mechanisms via growth factors, exosomes, and microRNAs. Based on these findings, we propose an outlook in which stem cell therapy, or therapeutic effects associated with stem cell therapy, such as paracrine mechanisms, might play an important role in the future. Optimizing stem cell processing and a better understanding of paracrine signaling as well as its effect on cardioprotection and remodeling after AMI might improve not only AMI research, but also our patients’ outcomes.
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Lichtenauer M, Jung C. TBX20 and the PROK2-PROKR1 pathway-new kid on the block in angiogenesis research. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:S8. [PMID: 30613584 DOI: 10.21037/atm.2018.08.41] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Michael Lichtenauer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University, Salzburg, Austria
| | - Christian Jung
- Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, University Duesseldorf, Duesseldorf, Germany
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