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Rahnama Sisakht A, Tavasouli Z, Negahi A, Hosseini SA, Satarzadeh M. Dental pulp stem cells regenerate neural tissue in degenerative disorders and stroke rehabilitation: A scope systematic review. Heliyon 2024; 10:e35080. [PMID: 39166055 PMCID: PMC11334686 DOI: 10.1016/j.heliyon.2024.e35080] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/12/2024] [Accepted: 07/22/2024] [Indexed: 08/22/2024] Open
Abstract
Background Dental Pulp Stem Cells (DPSCs) possess a remarkable ability for tissue differentiation, making them highly efficient in tissue regeneration and inflammation regulation. This systematic study proposes to find an answer to the question, "Do DPSCs have the ability to regenerate and rehabilitate nerve tissue?" Methods This systematic review was conducted based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria, and the principle of non-bias was respected. All the articles from 2014 to 2024 were extracted from the Web of Science, PubMed, and Scopus databases. This study extracted the antigens and pro-inflammatory factors associated with DPSCs' involvement and how they affect the CNS's neural tissue regeneration. Results Two persons of researchers searched the database. After screening the full texts, they included 11 articles in their study. DPSCs control the following antigens: CD73, CD34, CD90, CD105, CD14, CD45, CD19Oct-4, CD73, CD31, CD34CD29CD44. Even though hematopoietic markers did not change much, OCT-4 and CD-73 were increased by DPSCs. DPSC-derived exosomes suppressed the expression of IL-6, IL-1β, TNF-α, and TGF, key mediators of nerve tissue inflammation. Additionally, DPSCs show high Vascular Endothelial Growth Factor (VEGF) expression in mice brain tissue cultures. DPSCs reduce Subarachnoid Hemorrhage (SAH), a condition in which blood collects in the subarachnoid space and causes ischemia. Discussion DPSCs showed the ability to regenerate nerve tissue and brain ganglia, stimulating angiogenesis by expressing cell markers and controlling growth factors in mice, and high therapeutic potential in neurodegenerative disorders. The present study invites further research in neurological disorders, specifically strokes, to prescribe these stem cells to the human population.
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Affiliation(s)
| | - Zahra Tavasouli
- Ghaemieh Health Care Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ahmad Negahi
- School of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
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2
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Zhang Y, Li W, Liang Y, Liu Y, Dai W. Diagnostic Value of CD34 and CD117 Immunohistochemistry and Megakaryocyte Morphology in Myelodysplastic Syndromes: A Retrospective Case-control Study. Appl Immunohistochem Mol Morphol 2024; 32:125-129. [PMID: 38053414 DOI: 10.1097/pai.0000000000001177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 11/12/2023] [Indexed: 12/07/2023]
Abstract
This study evaluated the diagnostic value of CD34 and CD117 immunohistochemistry(IHC) and megakaryocyte morphology in Myelodysplastic syndromes (MDS). In this study, CD34-positive individual cells (Type I) and small clusters (Type II) were observed in most cases (91.2%). Type II CD34-positive was seen in 24 (49%) MDS cases, and positive percentage was higher than in acute myelogenous leukemia (AML) or aplastic anemia (AA). Type II CD117-positive were observed in 44 (89.8%) MDS cases and Type I were observed in 5 (10.2%) MDS. Type II CD117-positive percentage was higher than in AML or AA. Megakaryocyte counts were normal or increased in most MDS cases except one. Although megakaryocyte counts of AML and AA were predominantly decreased, Most MDS patients (81.6%) had abnormal megakaryocyte, whereas almost none of megakaryocyte abnormality was found in AML and AA. In conclusion, combined detection of CD34 and CD117 and observation of megakaryocyte count and morphology are useful for the diagnosis of MDS.
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Affiliation(s)
- Ying Zhang
- Department of Pathology, Liuzhou People's Hospital
| | - Wenhua Li
- Department of Pathology, Liuzhou Worker's Hospital, Liuzhou, People's Republic of China
| | | | - Youli Liu
- Department of Pathology, Liuzhou People's Hospital
| | - Wenbin Dai
- Department of Pathology, Liuzhou People's Hospital
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3
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Özdemir C, Muratoğlu B, Özel BN, Alpdündar-Bulut E, Tonyalı G, Ünal Ş, Uçkan-Çetinkaya D. Multiparametric analysis of etoposide exposed mesenchymal stem cells and Fanconi anemia cells: implications in development of secondary myeloid malignancy. Clin Exp Med 2023; 23:4511-4524. [PMID: 37179284 DOI: 10.1007/s10238-023-01087-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
Secondary acute myeloid leukemia (sAML) may develop following a prior therapy or may evolve from an antecedent hematological disorder such as Fanconi Anemia (FA). Pathophysiology of leukemic evolution is not clear. Etoposide (Eto) is a chemotherapeutic agent implicated in development of sAML. FA is an inherited bone marrow (BM) failure disease characterized by genomic instability and xenobiotic susceptibility. Here, we hypothesized that alterations in the BM niche may play a critical/driver role in development of sAML in both conditions. Expression of selected genes involved in xenobiotic metabolism, DNA double-strand break response, endoplasmic reticulum (ER) stress, heat shock response and cell cycle regulation were determined in BM mesenchymal stem cells (MSCs) of healthy controls and FA patients at steady state and upon exposure to Eto at different concentrations and in recurrent doses. Expression of CYPA1, p53, CCNB1, Dicer1, CXCL12, FLT3L and TGF-Beta genes were significantly downregulated in FA-MSCs compared with healthy controls. Eto exposure induced significant alterations in healthy BM-MSCs with increased expression of CYP1A1, GAD34, ATF4, NUPR1, CXCL12, KLF4, CCNB1 and nuclear localization of Dicer1. Interestingly, FA-MSCs did not show significant alterations in these genes upon Eto exposure. As opposed to healthy MSCs DICER1 gene expression and intracellular localization was not altered on FA BM-MSCs after Eto treatment. These results showed that Eto is a highly potent molecule and has pleiotropic effects on BM-MSCs, FA cells show altered expression profile compared to healthy controls and Eto exposure on FA cells shows differential profile than healthy controls.
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Affiliation(s)
- Cansu Özdemir
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey.
| | - Bihter Muratoğlu
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
| | - Buse Nurten Özel
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
- Institute for Genomic Medicine, Columbia University, New York, NY, USA
| | - Esin Alpdündar-Bulut
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
- Division of Hematology-Oncology, Faculty of Medicine, Department of Pediatrics, Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
| | - Gülsena Tonyalı
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
| | - Şule Ünal
- Division of Hematology-Oncology, Faculty of Medicine, Department of Pediatrics, Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
- Research Center for Fanconi Anemia and Other IBMFSs, Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey
| | - Duygu Uçkan-Çetinkaya
- Center for Stem Cell Research and Development (PEDI-STEM), Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey.
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey.
- Division of Hematology-Oncology, Faculty of Medicine, Department of Pediatrics, Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey.
- Research Center for Fanconi Anemia and Other IBMFSs, Hacettepe University, 06100 Gevher Nesibe Street, Sihhiye, Altındağ, Ankara, Turkey.
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Lan Z, Lv Z, Zuo W, Xiao Y. From bench to bedside: The promise of sotatercept in hematologic disorders. Biomed Pharmacother 2023; 165:115239. [PMID: 37516019 DOI: 10.1016/j.biopha.2023.115239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 07/31/2023] Open
Abstract
Sotatercept (ACE-011) is an activin receptor IIA-Fc (ActRIIA-Fc) fusion protein currently under investigation for its potential in the treatment of hematologic diseases. By impeding the activities of the overexpressed growth and differentiation factor 11 (GDF11), activin A, and other members of the transforming growth factor-β (TGF-β) superfamily, commonly found in hematologic disorders, sotatercept aims to restore the normal functioning of red blood cell maturation and osteoblast differentiation. This action is anticipated to enhance anemia management and hinder the progression of myeloma. Simultaneously, comprehensive research is ongoing to investigate sotatercept's pharmacokinetics and potential adverse reactions, thus laying a robust foundation for its prospective clinical use. In this review, we provide a detailed overview of TGF-β pathways in physiological and hematologic disorder contexts, outline the potential mechanism of sotatercept, and delve into its pharmacokinetics and clinical research advancements in various hematologic diseases. A particular emphasis is given to the relationship between sotatercept dosage and its efficacy or associated adverse reactions.
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Affiliation(s)
- Zehao Lan
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha 410011, China; Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Zhaohua Lv
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha 410011, China; Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Wanyun Zuo
- Department of Hematology, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Yichao Xiao
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha 410011, China.
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Mendiratta M, Mendiratta M, Mohanty S, Sahoo RK, Prakash H. Breaking the graft-versus-host-disease barrier: Mesenchymal stromal/stem cells as precision healers. Int Rev Immunol 2023; 43:95-112. [PMID: 37639700 DOI: 10.1080/08830185.2023.2252007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 08/08/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
Mesenchymal Stromal/Stem Cells (MSCs) are multipotent, non-hematopoietic progenitor cells with a wide range of immune modulation and regenerative potential which qualify them as a potential component of cell-based therapy for various autoimmune/chronic inflammatory ailments. Their immunomodulatory properties include the secretion of immunosuppressive cytokines, the ability to suppress T-cell activation and differentiation, and the induction of regulatory T-cells. Considering this and our interest, we here discuss the significance of MSC for the management of Graft-versus-Host-Disease (GvHD), one of the autoimmune manifestations in human. In pre-clinical models, MSCs have been shown to reduce the severity of GvHD symptoms, including skin and gut damage, which are the most common and debilitating manifestations of this disease. While initial clinical studies of MSCs in GvHD cases were promising, the results were variable in randomized studies. So, further studies are warranted to fully understand their potential benefits, safety profile, and optimal dosing regimens. Owing to these inevitable issues, here we discuss various mechanisms, and how MSCs can be employed in managing GvHD, as a cellular therapeutic approach for this disease.
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Affiliation(s)
- Mohini Mendiratta
- Department of Medical Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | | | - Sujata Mohanty
- Stem Cell Facility, All India Institute of Medical Sciences, New Delhi, India
| | - Ranjit Kumar Sahoo
- Department of Medical Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Hridayesh Prakash
- Amity Centre for Translational Research, Amity University, Noida, India
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Haga CL, Boregowda SV, Booker CN, Krishnappa V, Strivelli J, Cappelli E, Phinney DG. Mesenchymal stem/stromal cells from a transplanted, asymptomatic patient with Fanconi anemia exhibit an aging-like phenotype and dysregulated expression of genes implicated in hematopoiesis and myelodysplasia. Cytotherapy 2023; 25:362-368. [PMID: 36481320 PMCID: PMC10006355 DOI: 10.1016/j.jcyt.2022.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/27/2022] [Accepted: 11/13/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND AIMS Fanconi anemia (FA) is an inherited bone marrow failure syndrome caused by defects in the repair of DNA inter-strand crosslinks and manifests as aplastic anemia, myelodysplastic syndrome and acute myeloid leukemia. FA also causes defects in mesenchymal stromal cell (MSC) function, but how different FA gene mutations alter function remains understudied. METHODS We compared the growth, differentiation and transcript profile of a single MSC isolate from an asymptomatic patient with FA with a FANCG nonsense mutation who underwent hematopoietic stem cell transplantation 10 years prior to that from a representative healthy donor (HD). RESULTS We show that FANCG-/- MSCs exhibit rapid onset of growth cessation, skewed bi-lineage differentiation in favor of adipogenesis and increased cellular oxidate stress consistent with an aging-like phenotype. Transcript profiling identified pathways related to cell growth, senescence, cellular stress responses and DNA replication/repair as over-represented in FANCG-/- MSC, and real-time polymerase chain reaction confirmed these MSCs expressed reduced levels of transcripts implicated in cell growth (TWIST1, FGFR2v7-8) and osteogenesis (TWIST1, RUNX2) and increased levels of transcripts regulating adipogenesis (GPR116) and insulin signaling. They also expressed reduced levels of mRNAs implicated in HSC self-maintenance and homing (KITLG, HGF, GDNF, PGF, CFB, IL-1B and CSF1) and elevated levels of those implicated in myelodysplasia (IL-6, GDF15). CONCLUSIONS Together, these findings demonstrate how inactivation of FANCG impacts MSC behavior, which parallels observed defects in osteogenesis, HSC depletion and leukemic blast formation seen in patients with FA.
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Affiliation(s)
- Christopher L Haga
- Department of Molecular Medicine, UF Scripps Biomedical Research, Jupiter, FL, USA
| | | | - Cori N Booker
- Department of Molecular Medicine, UF Scripps Biomedical Research, Jupiter, FL, USA
| | - Veena Krishnappa
- Department of Molecular Medicine, UF Scripps Biomedical Research, Jupiter, FL, USA
| | - Jacqueline Strivelli
- Department of Molecular Medicine, UF Scripps Biomedical Research, Jupiter, FL, USA
| | - Enrico Cappelli
- Hematology Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Donald G Phinney
- Department of Molecular Medicine, UF Scripps Biomedical Research, Jupiter, FL, USA.
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7
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Li JP, Wu KH, Chao WR, Lee YJ, Yang SF, Chao YH. Alterations of mesenchymal stem cells on regulating Th17 and Treg differentiation in severe aplastic anemia. Aging (Albany NY) 2023; 15:553-566. [PMID: 36719260 PMCID: PMC9925683 DOI: 10.18632/aging.204500] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/23/2023] [Indexed: 01/31/2023]
Abstract
Immune-mediated hematopoietic destruction is a key factor in idiopathic severe aplastic anemia (SAA). With great immunomodulatory functions, mesenchymal stem cells (MSCs) are important for bone marrow niche. While the underlying etiology of immunologic changes in SAA bone marrow remains unknown, dysfunctional MSCs are implicated as a major cause. To provide evidence for their defects in immunomodulation, alterations of SAA MSCs in regulating T cell differentiation were determined. During differentiation from CD4+ T cells into T helper 17 (Th17) cells under polarization conditions, impaired inhibition on IL-17 and IL-1β production was noted when cocultured with SAA MSCs compared to control MSCs (P < 0.05). After stimulation of Th17 activation, the percentage of IL-17-secreting cells was significantly increased in the SAA group (9.1 ± 1.5% vs 6.6 ± 0.4%, P < 0.01). Under regulatory T (Treg) polarization, a higher percentage of CD4+CD25+FoxP3+ Treg cells was detected when cocultured with SAA MSCs compared to control MSCs (8.1 ± 0.5% vs 5.8 ± 0.8%, P < 0.01). Inconsistently, transforming growth factor-β (TGF-β) concentrations in the culture supernatant were decreased and IL-1β concentrations were elevated in the SAA group. Our data indicated impaired inhibition of SAA MSCs on Th17 activation and aberrant regulation of SAA MSCs on Treg differentiation. Increased IL-17 and IL-1β levels with decreased TGF-β levels in the supernatant suggested the potential of SAA MSCs for triggering a hyperinflammatory environment. Dysfunctional MSCs could contribute to the lack of immunoprotection in the bone marrow, which may be associated with SAA.
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Affiliation(s)
- Ju-Pi Li
- Department of Pathology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan,Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Kang-Hsi Wu
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan,Department of Pediatrics, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Wan-Ru Chao
- Department of Pathology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan,Department of Pathology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yi-Ju Lee
- Department of Pathology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan,Department of Pathology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yu-Hua Chao
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan,Department of Pediatrics, School of Medicine, Chung Shan Medical University, Taichung, Taiwan,Department of Clinical Pathology, Chung Shan Medical University Hospital, Taichung, Taiwan
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Zheng L, Zhang L, Guo Y, Xu X, Liu Z, Yan Z, Fu R. The immunological role of mesenchymal stromal cells in patients with myelodysplastic syndrome. Front Immunol 2022; 13:1078421. [PMID: 36569863 PMCID: PMC9767949 DOI: 10.3389/fimmu.2022.1078421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
Myelodysplastic syndrome (MDS) is a common hematological malignant disease, characterized by malignant hematopoietic stem cell proliferation in the bone marrow (BM); clinically, it mainly manifests clinically mainly by as pathological hematopoiesis, hemocytopenia, and high-risk transformation to acute leukemia. Several studies have shown that the BM microenvironment plays a critical role in the progression of MDS. In this study, we specifically evaluated mesenchymal stromal cells (MSCs) that exert immunomodulatory effects in the BM microenvironment. This immunomodulatory effect occurs through direct cell-cell contact and the secretion of soluble cytokines or micro vesicles. Several researchers have compared MSCs derived from healthy donors to low-risk MDS-associated bone mesenchymal stem cells (BM-MSCs) and have found no significant abnormalities in the MDS-MSC phenotype; however, these cells have been observed to exhibit altered function, including a decline in osteoblastic function. This altered function may promote MDS progression. In patients with MDS, especially high-risk patients, MSCs in the BM microenvironment regulate immune cell function, such as that of T cells, B cells, natural killer cells, dendritic cells, neutrophils, myeloid-derived suppressor cells (MDSCs), macrophages, and Treg cells, thereby enabling MDS-associated malignant cells to evade immune cell surveillance. Alterations in MDS-MSC function include genomic instability, microRNA production, histone modification, DNA methylation, and abnormal signal transduction and cytokine secretion.
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Affiliation(s)
- Likun Zheng
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China,Department of Hematology, North China University of Science and Technology Affiliated Hospital, Tangshan, Hebei, China
| | - Lei Zhang
- Department of Orthopedics, Kailuan General Hospital, Tangshan, Hebei, China
| | - Yixuan Guo
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China
| | - Xintong Xu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhaoyun Liu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhenyu Yan
- Department of Hematology, North China University of Science and Technology Affiliated Hospital, Tangshan, Hebei, China
| | - Rong Fu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China,*Correspondence: Rong Fu,
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Wang X, Chen M, Ma S, Ding Y, Zhou C, Yuan Y. HIV-1 Tat Protein-Mediated Inflammatory Response Inhibits the Erythroid Hematopoietic Support Function of Bone Marrow Mesenchymal Stem Cells. AIDS Res Hum Retroviruses 2022; 38:753-763. [PMID: 35972747 DOI: 10.1089/aid.2022.0011] [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: 01/25/2023] Open
Abstract
Although combination antiretroviral therapy is widely used to treat HIV-1 infection, anemia affects the health and quality of life in a large number of these patients. The proliferation and differentiation of bone marrow mesenchymal stem cells (BMSCs), as important support cells in the hematopoietic microenvironment, can be affected by HIV-1 Tat protein. In this study, we explored the mechanism underlying the effect of Tat protein on the hematopoietic support function of BMSCs in erythroid commitment. BMSCs were treated with Tat protein or transfected with Tat mRNA and cocultured with hematopoietic stem cells (HSCs) to detect the number of erythroid colony-forming units (CFUs) and the proportion of mature red blood cells from HSCs. Subsequently, the expression level of a series of erythroid hematopoietic support factors and inflammatory factors in BMSCs after Tat treatment were analyzed. Then, the activation effect of Tat on the mitogen-activated protein kinase/nuclear factor kappa-B (MAPK/NF-κB) pathway, which is an important inflammatory response signaling pathway, was evaluated. The results showed that the number of erythroid CFUs and the production of mature red blood cells supported by BMSCs treated with Tat protein were significantly reduced and the expression of a series of erythroid supporting factors of BMSCs were significantly decreased by Tat protein. Tat-treated BMSCs highly express a variety of inflammatory mediators. Moreover, the expression of P38, p-p38, ERK1/2, p-ERK1/2, JNK1/2, p-JNK1/2, NF-κB, and p-NF-κB was significantly upregulated by Tat protein. In conclusion, Tat protein induces the inflammatory response of BMSCs by activating the MAPK/NF-κB pathway to inhibit the erythroid hematopoietic support function of BMSCs.
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Affiliation(s)
- Xiaoli Wang
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Meijuan Chen
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Shinan Ma
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yan Ding
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Chunfang Zhou
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China.,Department of Gastroenterology, Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - Yahong Yuan
- Department of Neurosurgery, Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
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Gonzaga VF, Wenceslau CV, Vieira DP, Policiquio BDO, Khalil C, Araldi RP, Kerkis I. Therapeutic Potential of Human Immature Dental Pulp Stem Cells Observed in Mouse Model for Acquired Aplastic Anemia. Cells 2022; 11:cells11142252. [PMID: 35883695 PMCID: PMC9315564 DOI: 10.3390/cells11142252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/10/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022] Open
Abstract
Aplastic anemia (AA) is a rare and serious disorder of hematopoietic stem cells (HSCs) that results in the loss of blood cells due to the failure of the bone marrow (BM). Although BM transplantation is used to treat AA, its use is limited by donor availability. In this sense, mesenchymal stem cells (MSCs) can offer a novel therapeutic approach for AA. This is because the MSCs contribute to the hematopoietic niche organization through their repopulating. In our study, we used the human immature dental pulp stem cell (hIDPSC), an MSC-like cell, to explore an alternative therapeutic approach for AA. For this, isogenic C57BL/6 mice were exposed to total body irradiation (TBI) to induce the AA. After 48 h of TBI, the mice were intraperitoneally treated with hIDPSC. The immunohistochemistry analyses confirmed that the hIDPSCs migrated and grafted in the mouse bone marrow (BM) and spleen, providing rapid support to hematopoiesis recovery compared to the group exposed to radiation, but not to those treated with the cells as well as the hematological parameters. Six months after the last hIDPSC transplantation, the BM showed long-term stable hematopoiesis. Our data highlight the therapeutic plasticity and hematoprotective role of hIDPSC for AA and potentially for other hematopoietic failures.
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Affiliation(s)
- Vivian Fonseca Gonzaga
- Genetics Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (V.F.G.); (B.d.O.P.); (R.P.A.)
- Cellavita Pesquisas Científicas Ltda., Valinhos 13271-650, Brazil;
| | | | | | - Bruna de Oliveira Policiquio
- Genetics Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (V.F.G.); (B.d.O.P.); (R.P.A.)
- Cellavita Pesquisas Científicas Ltda., Valinhos 13271-650, Brazil;
| | - Charbel Khalil
- Reviva Stem Cell Platform for Research and Applications Center, Bsalim 17-5208, Lebanon;
- Faculty of Pharmacy, Saint Joseph University, Beirut 17-5208, Lebanon
| | - Rodrigo Pinheiro Araldi
- Genetics Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (V.F.G.); (B.d.O.P.); (R.P.A.)
- Cellavita Pesquisas Científicas Ltda., Valinhos 13271-650, Brazil;
| | - Irina Kerkis
- Genetics Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (V.F.G.); (B.d.O.P.); (R.P.A.)
- Correspondence:
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[The characterization analysis of pathogenic T cells in immune-mediated aplastic anemia mouse model]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:587-593. [PMID: 36709137 PMCID: PMC9395574 DOI: 10.3760/cma.j.issn.0253-2727.2022.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Objective: This study aims, in addition to characterizing pathogenic T cells trafficking to bone marrow (BM) and other organs, to establish immune-mediated AA C.B10 mouse model by DsRed mouse (B6 background) lymph nodes (LN) cells infusion after a total body irradiation (TBI) . Methods: The C.B10 mice received a 5 Gy TBI and then were infused with DsRed mouse (B6 background) LN cells at 5×10(6)/mouse via a tail vein injection. The severity of bone marrow failure (BMF) was observed by mononuclear cell count in bone marrow and peripheral blood cell count. On days 3, 6, 9, and 12, mice were sacrificed and collected BM, spleens, LN, or thymus to analyze the dynamic change and activation status of donor T cells in these organs by a flow cytometry. At day 12, the donor-derived T cells from BM, spleens, and LN were sorted to collect the DsRed(+)CD3(+)CD4(+) T cells and DsRed(+)CD3(+)CD8(+) T cells for RNA isolation and gene expression analyses by PCR array. Results: Relative to control animals that received 5 Gy TBI without LN cell infusion, AA mice developed severe BMF with dramatic decrease in total BM cells, hemoglobin, white blood cells, and platelets in peripheral blood on days 9 and 12 after the LN cell infusion. The frequencies of DsRed(+) T cells trafficking to BM, LN, and spleens increased with time. Surprisingly, although the DsRed(+) T cells in BM increased dramatically at a level much higher than those in the spleens and LN on day 12, there were very few DsRed(+) T cells in BM on days three and six, which was significantly lower than those in spleens or LN. The frequency of DsRed(+) T cells in thymus was the lowest during the whole process. On day 12, the DsRed(+)CD3(+)CD4(+) T cells of BM, LN, and spleens from AA mice were (91.38±2.10) %, (39.78±6.98) %, and (67.87±12.77) %, respectively. On the contrary, the DsRed(+)CD3(+)CD8(+)T cells of BM, LN, and spleens were (98.21±1.49) %, (94.06±4.20) %, and (96.29±1.23) %, respectively. We assessed the donor T cell phenotypes using the CD44 and CD62L markers and found that almost all of the DsRed(+)CD4(+) or DsRed(+)CD8(+) T cells in BM were effector memory T cell phenotype from day 9 to day 12. Meanwhile, transcriptome analyses showed higher expression in CD38, IFN-γ, LAG3, CSF1, SPP1, and TNFSF13B in BM DsRed(+)CD4(+) and DsRed(+)CD8(+) T cells. However, there was a lower expression in FOXP3 and CTLA4 in BM DsRed(+)CD4(+) T cells than those in spleens and LN. Conclusions: The DsRed LN cells infusion to induce BMF in CB10 mice enabled to track the donor-derived pathogenic T cells. Besides previously published findings in this model, we demonstrated that donor CD4(+) and CD8(+) T cells primarily homed to spleens and LN, expanded and differentiated, then infiltrated in BM with a terminal effector memory phenotype. The T cells infiltrated in BM showed more activation and less immunosuppression characteristics compared to those homing to spleens and LN during the BMF development.
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Fattizzo B, Da Vià MC, Kulasekararaj AG. Editorial: Immunologic Mechanisms of Myeloid Neoplasms. Front Oncol 2022; 12:949633. [PMID: 35785196 PMCID: PMC9240769 DOI: 10.3389/fonc.2022.949633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Bruno Fattizzo
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
- *Correspondence: Bruno Fattizzo,
| | - Matteo Claudio Da Vià
- Hematology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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Jia Y, Zhao Y, Zhang Z, Shi L, Fang Y, Chang C. Aryl hydrocarbon receptor signaling pathway plays important roles in the proliferative and metabolic properties of bone marrow mesenchymal stromal cells. Acta Biochim Biophys Sin (Shanghai) 2021; 53:1428-1439. [PMID: 34508548 DOI: 10.1093/abbs/gmab122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Indexed: 02/07/2023] Open
Abstract
Bone marrow mesenchymal stromal cells (BMMSCs) are widely sourced and easily amplified in vitro; thus, they have a great potential in the treatment of hemopathies. Recent findings suggested that BMMSCs express the aryl hydrocarbon receptor (AHR). However, few studies have reported on the regulation of proliferative behaviors and metabolism by AHR in BMMSCs. In the present study, we found that activating AHR reduced the proliferation of BMMSCs and enhanced their mitochondrial function, whereas inhibiting AHR exerted the opposite effects. This study may provide the basis for further unveiling the molecular mechanisms and therapeutic potential of AHR in BMMSCs.
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Affiliation(s)
- Yan Jia
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Youshan Zhao
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Zheng Zhang
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Lei Shi
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Ying Fang
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Chunkang Chang
- Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
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Jann JC, Mossner M, Riabov V, Altrock E, Schmitt N, Flach J, Xu Q, Nowak V, Obländer J, Palme I, Weimer N, Streuer A, Jawhar A, Darwich A, Jawhar M, Metzgeroth G, Nolte F, Hofmann WK, Nowak D. Bone marrow derived stromal cells from myelodysplastic syndromes are altered but not clonally mutated in vivo. Nat Commun 2021; 12:6170. [PMID: 34697318 PMCID: PMC8546146 DOI: 10.1038/s41467-021-26424-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 10/06/2021] [Indexed: 11/15/2022] Open
Abstract
The bone marrow (BM) stroma in myeloid neoplasms is altered and it is hypothesized that this cell compartment may also harbor clonal somatically acquired mutations. By exome sequencing of in vitro expanded mesenchymal stromal cells (MSCs) from n = 98 patients with myelodysplastic syndrome (MDS) and n = 28 healthy controls we show that these cells accumulate recurrent mutations in genes such as ZFX (n = 8/98), RANK (n = 5/98), and others. MDS derived MSCs display higher mutational burdens, increased replicative stress, senescence, inflammatory gene expression, and distinct mutational signatures as compared to healthy MSCs. However, validation experiments in serial culture passages, chronological BM aspirations and backtracking of high confidence mutations by re-sequencing primary sorted MDS MSCs indicate that the discovered mutations are secondary to in vitro expansion but not present in primary BM. Thus, we here report that there is no evidence for clonal mutations in the BM stroma of MDS patients. Bone marrow-derived mesenchymal stroma cells (MSCs) in myeloid neoplasia have been hypothesized to carry somatic mutations and contribute to pathogenesis. Here the authors analyse ex-vivo cultures and primary MSCs derived from patients with myelodysplastic syndromes, finding functional alterations but no evidence of clonal mutations.
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Affiliation(s)
- Johann-Christoph Jann
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Maximilian Mossner
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Vladimir Riabov
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Eva Altrock
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Nanni Schmitt
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Johanna Flach
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Qingyu Xu
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Verena Nowak
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Julia Obländer
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Iris Palme
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Nadine Weimer
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Alexander Streuer
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Ahmed Jawhar
- Department of Orthopedic Surgery, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Ali Darwich
- Department of Orthopedic Surgery, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Mohammad Jawhar
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Georgia Metzgeroth
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Florian Nolte
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Wolf-Karsten Hofmann
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany
| | - Daniel Nowak
- Department of Hematology and Oncology, Medical Faculty Mannheim of the Heidelberg University, Mannheim, Germany.
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15
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Barcellini W, Fattizzo B. Immune Phenomena in Myeloid Neoplasms: An " Egg or Chicken" Question. Front Immunol 2021; 12:751630. [PMID: 34659257 PMCID: PMC8511478 DOI: 10.3389/fimmu.2021.751630] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/13/2021] [Indexed: 11/13/2022] Open
Abstract
Immune phenomena are increasingly reported in myeloid neoplasms, and include autoimmune cytopenias/diseases and immunodeficiency, either preceding or complicating acute myeloid leukemia, myelodysplastic syndromes (MDS), chronic myeloproliferative neoplasms, and bone marrow failure (BMF) syndromes. Autoimmunity and immunodeficiency are the two faces of a dysregulated immune tolerance and surveillance and may result, along with contributing environmental and genetic factors, in an increased incidence of both tumors and infections. The latter may fuel both autoimmunity and immune activation, triggering a vicious circle among infections, tumors and autoimmune phenomena. Additionally, alterations of the microbiota and of mesenchymal stem cells (MSCs) pinpoint to the importance of a permissive or hostile microenvironment for tumor growth. Finally, several therapies of myeloid neoplasms are aimed at increasing host immunity against the tumor, but at the price of increased autoimmune phenomena. In this review we will examine the epidemiological association of myeloid neoplasms with autoimmune diseases and immunodeficiencies, and the pivotal role of autoimmunity in the pathogenesis of MDS and BMF syndromes, including the paroxysmal nocturnal hemoglobinuria conundrum. Furthermore, we will briefly examine autoimmune complications following therapy of myeloid neoplasms, as well as the role of MSCs and microbiota in these settings.
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Affiliation(s)
- Wilma Barcellini
- Hematology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Bruno Fattizzo
- Hematology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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NFĸB Targeting in Bone Marrow Mesenchymal Stem Cell-Mediated Support of Age-Linked Hematological Malignancies. Stem Cell Rev Rep 2021; 17:2178-2192. [PMID: 34410592 DOI: 10.1007/s12015-021-10235-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2021] [Indexed: 10/20/2022]
Abstract
Mesenchymal stem cells (MSCs) can become dysfunctional in patients with hematological disorders. An unanswered question is whether age-linked disruption of the bone marrow (BM) microenvironment is secondary to hematological dysfunction or vice versa. We therefore studied MSC function in patients with different hematological disorders and found decreased MHC-II except from one sample with acute myeloid leukemia (AML). The patients' MSCs were able to exert veto properties except for AML MSCs. While the expression of MHC-II appeared to be irrelevant to the immune licensing of MSCs, AML MSCs lost their ability to differentiate upon contact and rather, continued to proliferate, forming foci-like structures. We performed a retrospective study that indicated a significant increase in MSCs, based on phenotype, for patients with BM fibrosis. This suggests a role for MSCs in patients transitioning to leukemia. NFĸB was important to MSC function and was shown to be a potential target to sensitize leukemic CD34+/CD38- cells to azacitidine. This correlated with their lack of allogeneic stimulation. This study identified NFĸB as a potential target for combination therapy to treat leukemia stem cells and showed that understanding MSC biology and immune response could be key in determining how the aging BM might support leukemia. More importantly, we show how MSCs might be involved in transitioning the high risk patient with hematological disorder to AML.
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17
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Kapor S, Santibanez JF. Myeloid-Derived Suppressor Cells and Mesenchymal Stem/Stromal Cells in Myeloid Malignancies. J Clin Med 2021; 10:2788. [PMID: 34202907 PMCID: PMC8268878 DOI: 10.3390/jcm10132788] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 12/13/2022] Open
Abstract
Myeloid malignancies arise from an altered hematopoietic stem cell and mainly comprise acute myeloid leukemia, myelodysplastic syndromes, myeloproliferative malignancies, and chronic myelomonocytic leukemia. Myeloid neoplastic leukemic cells may influence the growth and differentiation of other hematopoietic cell lineages in peripheral blood and bone marrow. Myeloid-derived suppressor cells (MDSCs) and mesenchymal stromal cells (MSCs) display immunoregulatory properties by controlling the innate and adaptive immune systems that may induce a tolerant and supportive microenvironment for neoplasm development. This review analyzes the main features of MDSCs and MSCs in myeloid malignancies. The number of MDSCs is elevated in myeloid malignancies exhibiting high immunosuppressive capacities, whereas MSCs, in addition to their immunosuppression contribution, regulate myeloid leukemia cell proliferation, apoptosis, and chemotherapy resistance. Moreover, MSCs may promote MDSC expansion, which may mutually contribute to the creation of an immuno-tolerant neoplasm microenvironment. Understanding the implication of MDSCs and MSCs in myeloid malignancies may favor their potential use in immunotherapeutic strategies.
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Affiliation(s)
- Suncica Kapor
- Clinical Hospital Center “Dr Dragisa Misovic-Dedinje”, Department of Hematology, University of Belgrade, 11000 Belgrade, Serbia
| | - Juan F. Santibanez
- Molecular Oncology Group, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia;
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O’Higgins, 8370993 Santiago, Chile
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18
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Kapor S, Santibanez JF. Myeloid-Derived Suppressor Cells and Mesenchymal Stem/Stromal Cells in Myeloid Malignancies. J Clin Med 2021. [PMID: 34202907 DOI: 10.3390/jcm10132788.pmid:34202907;pmcid:pmc8268878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2023] Open
Abstract
Myeloid malignancies arise from an altered hematopoietic stem cell and mainly comprise acute myeloid leukemia, myelodysplastic syndromes, myeloproliferative malignancies, and chronic myelomonocytic leukemia. Myeloid neoplastic leukemic cells may influence the growth and differentiation of other hematopoietic cell lineages in peripheral blood and bone marrow. Myeloid-derived suppressor cells (MDSCs) and mesenchymal stromal cells (MSCs) display immunoregulatory properties by controlling the innate and adaptive immune systems that may induce a tolerant and supportive microenvironment for neoplasm development. This review analyzes the main features of MDSCs and MSCs in myeloid malignancies. The number of MDSCs is elevated in myeloid malignancies exhibiting high immunosuppressive capacities, whereas MSCs, in addition to their immunosuppression contribution, regulate myeloid leukemia cell proliferation, apoptosis, and chemotherapy resistance. Moreover, MSCs may promote MDSC expansion, which may mutually contribute to the creation of an immuno-tolerant neoplasm microenvironment. Understanding the implication of MDSCs and MSCs in myeloid malignancies may favor their potential use in immunotherapeutic strategies.
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Affiliation(s)
- Suncica Kapor
- Clinical Hospital Center "Dr Dragisa Misovic-Dedinje", Department of Hematology, University of Belgrade, 11000 Belgrade, Serbia
| | - Juan F Santibanez
- Molecular Oncology Group, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O'Higgins, 8370993 Santiago, Chile
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19
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Perottoni S, Neto NGB, Di Nitto C, Dmitriev RI, Raimondi MT, Monaghan MG. Intracellular label-free detection of mesenchymal stem cell metabolism within a perivascular niche-on-a-chip. LAB ON A CHIP 2021; 21:1395-1408. [PMID: 33605282 DOI: 10.1039/d0lc01034k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The stem cell niche at the perivascular space in human tissue plays a pivotal role in dictating the overall fate of stem cells within it. Mesenchymal stem cells (MSCs) in particular, experience influential microenvironmental conditions, which induce specific metabolic profiles that affect processes of cell differentiation and dysregulation of the immunomodulatory function. Reports focusing specifically on the metabolic status of MSCs under the effect of pathophysiological stimuli - in terms of flow velocities, shear stresses or oxygen tension - do not model heterogeneous gradients, highlighting the need for more advanced models reproducing the metabolic niche. Organ-on-a-chip technology offers the most advanced tools for stem cell niche modelling thus allowing for controlled dynamic culture conditions while profiling tuneable oxygen tension gradients. However, current systems for live cell detection of metabolic activity inside microfluidic devices require the integration of microsensors. The presence of such microsensors poses the potential to alter microfluidics and their resolution does not enable intracellular measurements but rather a global representation concerning cellular metabolism. Here, we present a metabolic toolbox coupling a miniaturised in vitro system for human-MSCs dynamic culture, which mimics microenvironmental conditions of the perivascular niche, with high-resolution imaging of cell metabolism. Using fluorescence lifetime imaging microscopy (FLIM) we monitor the spatial metabolic machinery and correlate it with experimentally validated intracellular oxygen concentration after designing the oxygen tension decay along the fluidic chamber by in silico models prediction. Our platform allows the metabolic regulation of MSCs, mimicking the physiological niche in space and time, and its real-time monitoring representing a functional tool for modelling perivascular niches, relevant diseases and metabolic-related uptake of pharmaceuticals.
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Affiliation(s)
- Simone Perottoni
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci, 32 - 20133 Milan, Italy.
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20
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Lee HR, Yang SJ, Choi HK, Kim JA, Oh IH. The Chromatin Remodeling Complex CHD1 Regulates the Primitive State of Mesenchymal Stromal Cells to Control Their Stem Cell Supporting Activity. Stem Cells Dev 2021; 30:363-373. [PMID: 33593142 DOI: 10.1089/scd.2020.0166] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The primitive state (stemness) of mesenchymal stromal cells (MSCs) is responsible for supporting the function of tissue-specific stem cells to regenerate damaged tissues. However, molecular mechanisms regulating the stemness of MSCs remain unknown. In this study, we found that the primitive state of MSCs is hierarchically regulated by the expression levels of the chromatin remodeling complex, CHD1, with CHD1 expression levels higher in the undifferentiated state, and decreasing upon MSC differentiation. Consistently, CHD1 expression levels decrease during progressive loss of clonogenic progenitors (CFU-F) induced by passage cultures. Moreover, knockdown (KD) of CHD1 decreased CFU-F frequency, whereas CHD1 overexpression increased it. In addition, the expression of stem cell-specific genes was down- or upregulated upon KD or overexpression of CHD1, respectively, accompanied by associated changes in chromatin condensation. Importantly, altering CHD1 expression levels affected the ability of MSCs to support the self-renewing expansion of hematopoietic stem cells (HSCs). Furthermore, CHD1 levels were significantly decreased in MSCs from acute myeloid leukemia or aplastic anemia patients, where CFU-F and HSC-supporting activities are lost. Altogether, these findings show that chromatin remodeling by CHD1 is a molecular parameter that influences the primitive state of MSCs and their stem cell-supporting activity, which controls tissue regeneration.
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Affiliation(s)
- Hae-Ri Lee
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Jip Yang
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyun-Kyung Choi
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jin-A Kim
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, Seoul, Republic of Korea
| | - Il-Hoan Oh
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, Seoul, Republic of Korea
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Shi QZ, Yu HM, Chen HM, Liu M, Cheng X. Exosomes derived from mesenchymal stem cells regulate Treg/Th17 balance in aplastic anemia by transferring miR-23a-3p. Clin Exp Med 2021; 21:429-437. [PMID: 33779886 DOI: 10.1007/s10238-021-00701-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 03/07/2021] [Indexed: 12/23/2022]
Abstract
Imbalanced Th17/Treg ratio is implicated in the pathogenesis of aplastic anemia. Studies have indicated that bone marrow-derived mesenchymal stem cells-derived exosomes (BMSC-Exo) could correct imbalanced Th17/Treg in aplastic anemia, but the mechanism remains not fully understand. This study was designed to investigate whether BMSC-Exo regulates the Th17/Treg balance in aplastic anemia by transferring miR-23a-3p. Here, miR-23a-3p inhibitor was utilized to knockdown the expression of miR-23a-3p in BMSC-Exo. A co-culture system of CD4+ T cells from aplastic anemia patients and BMSC-Exo was used to explore the effects of BMSC-Exo on the Th17/Treg balance and the underlying mechanism in aplastic anemia. The patients with aplastic anemia exhibited Th17/Treg imbalance favoring the Th17 cells. BMSC-Exo could balance the percentage of Th17 and Treg cells in aplastic anemia, but the effects of BMSC-Exo can be eliminated when miR-23a-3p expression was silenced in BMSCs. IL-6 was a direct target of miR-23a-3p. IL-6 overexpression could abrogate BMSC-Exo-induced balance in Th17/Treg ratio. Overall, BMSC-Exo could balance Th17/Treg ratio in aplastic anemia via suppressing IL-6 expression by transferring miR-23a-3p at least in part. These data indicated miR-23a-3p may be a potential target for the treatment of aplastic anemia. Our study may provide a new idea for the therapy of the disease.
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Affiliation(s)
- Qing-Zhao Shi
- Department of Pediatrics, Renmin Hospital of Wuhan University, No. 99 Zhangzhidong Road, Wuhan, 430060, China.
| | - Hong-Mei Yu
- Department of Pediatrics, Renmin Hospital of Wuhan University, No. 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Hong-Mei Chen
- Department of Burn, Wuhan Third Hospital, No.241 Pengliuyang Road, Wuhan, 430060, China
| | - Miao Liu
- Department of Pediatrics, Renmin Hospital of Wuhan University, No. 99 Zhangzhidong Road, Wuhan, 430060, China
| | - Xue Cheng
- Department of Pediatrics, Renmin Hospital of Wuhan University, No. 99 Zhangzhidong Road, Wuhan, 430060, China
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Hypoplastic Myelodysplastic Syndromes: Just an Overlap Syndrome? Cancers (Basel) 2021; 13:cancers13010132. [PMID: 33401595 PMCID: PMC7795441 DOI: 10.3390/cancers13010132] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Hypoplastic myelodysplastic syndromes (hMDS) represent a diagnostic conundrum. They share morphologic and clinical features of both MDS (dysplasia, genetic lesions and cytopenias) and aplastic anemia (AA; i.e., hypocellularity and autoimmunity) and are not comprised in the last WHO classification. In this review we recapitulate the main clinical, pathogenic and therapeutic aspects of hypo-MDS and discuss why they deserve to be distinguished from normo/hypercellular MDS and AA. We conclude that hMDS may present in two phenotypes: one more proinflammatory and autoimmune, more similar to AA, responding to immunosuppression; and one MDS-like dominated by genetic lesions, suppression of immune surveillance, and tumor escape, more prone to leukemic evolution. Abstract Myelodysplasias with hypocellular bone marrow (hMDS) represent about 10–15% of MDS and are defined by reduced bone marrow cellularity (i.e., <25% or an inappropriately reduced cellularity for their age in young patients). Their diagnosis is still an object of debate and has not been clearly established in the recent WHO classification. Clinical and morphological overlaps with both normo/hypercellular MDS and aplastic anemia include cytopenias, the presence of marrow hypocellularity and dysplasia, and cytogenetic and molecular alterations. Activation of the immune system against the hematopoietic precursors, typical of aplastic anemia, is reckoned even in hMDS and may account for the response to immunosuppressive treatment. Finally, the hMDS outcome seems more favorable than that of normo/hypercellular MDS patients. In this review, we analyze the available literature on hMDS, focusing on clinical, immunological, and molecular features. We show that hMDS pathogenesis and clinical presentation are peculiar, albeit in-between aplastic anemia (AA) and normo/hypercellular MDS. Two different hMDS phenotypes may be encountered: one featured by inflammation and immune activation, with increased cytotoxic T cells, increased T and B regulatory cells, and better response to immunosuppression; and the other, resembling MDS, where T and B regulatory/suppressor cells prevail, leading to genetic clonal selection and an increased risk of leukemic evolution. The identification of the prevailing hMDS phenotype might assist treatment choice, inform prognosis, and suggest personalized monitoring.
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