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Liu B, Tao C, Wu Z, Yao H, Wang DA. Engineering strategies to achieve efficient in vitro expansion of haematopoietic stem cells: development and improvement. J Mater Chem B 2022; 10:1734-1753. [DOI: 10.1039/d1tb02706a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Haematopoietic stem cells are the basis for building and maintaining lifelong haematopoietic mechanisms and important resources for the treatment of blood disorders. Haematopoietic niches are microenvironment in the body where...
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102
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Tratwal J, Falgayrac G, During A, Bertheaume N, Bataclan C, Tavakol DN, Campos V, Duponchel L, Daley GQ, Penel G, Chauveau C, Naveiras O. Raman microspectroscopy reveals unsaturation heterogeneity at the lipid droplet level and validates an in vitro model of bone marrow adipocyte subtypes. Front Endocrinol (Lausanne) 2022; 13:1001210. [PMID: 36506047 PMCID: PMC9727239 DOI: 10.3389/fendo.2022.1001210] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 10/04/2022] [Indexed: 11/24/2022] Open
Abstract
Bone marrow adipocytes (BMAds) constitute the most abundant stromal component of adult human bone marrow. Two subtypes of BMAds have been described, the more labile regulated adipocytes (rBMAds) and the more stable constitutive adipocytes (cBMAds), which develop earlier in life and are more resilient to environmental and metabolic disruptions. In vivo, rBMAds are enriched in saturated fatty acids, contain smaller lipid droplets (LDs) and more readily provide hematopoietic support than their cBMAd counterparts. Mouse models have been used for BMAds research, but isolation of primary BMAds presents many challenges, and thus in vitro models remain the current standard to study nuances of adipocyte differentiation. No in vitro model has yet been described for the study of rBMAds/cBMAds. Here, we present an in vitro model of BM adipogenesis with differential rBMAd and cBMAd-like characteristics. We used OP9 BM stromal cells derived from a (C57BL/6xC3H)F2-op/op mouse, which have been extensively characterized as feeder layer for hematopoiesis research. We observed similar canonical adipogenesis transcriptional signatures for spontaneously-differentiated (sOP9) and induced (iOP9) cultures, while fatty acid composition and desaturase expression of Scd1 and Fads2 differed at the population level. To resolve differences at the single adipocyte level we tested Raman microspectroscopy and show it constitutes a high-resolution method for studying adipogenesis in vitro in a label-free manner, with resolution to individual LDs. We found sOP9 adipocytes have lower unsaturation ratios, smaller LDs and higher hematopoietic support than iOP9 adipocytes, thus functionally resembling rBMAds, while iOP9 more closely resembled cBMAds. Validation in human primary samples confirmed a higher unsaturation ratio for lipids extracted from stable cBMAd-rich sites (femoral head upon hip-replacement surgery) versus labile rBMAds (iliac crest after chemotherapy). As a result, the 16:1/16:0 fatty acid unsaturation ratio, which was already shown to discriminate BMAd subtypes in rabbit and rat marrow, was validated to discriminate cBMAds from rBMAd in both the OP9 model in vitro system and in human samples. We expect our model will be useful for cBMAd and rBMAd studies, particularly where isolation of primary BMAds is a limiting step.
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Affiliation(s)
- Josefine Tratwal
- Laboratory of Regenerative Hematopoiesis, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Guillaume Falgayrac
- Univ. Lille, CHU Lille, Univ. Littoral Côte d’Opale, ULR 4490 - MABLab- Marrow Adiposity Laboratory, Lille, France
| | - Alexandrine During
- Univ. Lille, CHU Lille, Univ. Littoral Côte d’Opale, ULR 4490 - MABLab- Marrow Adiposity Laboratory, Lille, France
| | - Nicolas Bertheaume
- Univ. Lille, CHU Lille, Univ. Littoral Côte d’Opale, ULR 4490 - MABLab- Marrow Adiposity Laboratory, Lille, France
| | - Charles Bataclan
- Laboratory of Regenerative Hematopoiesis, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Daniel N. Tavakol
- Laboratory of Regenerative Hematopoiesis, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Vasco Campos
- Laboratory of Regenerative Hematopoiesis, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Ludovic Duponchel
- Univ. Lille, CNRS, UMR 8516 - LASIRe - Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l’Environnement, Lille, France
| | - George Q. Daley
- Division of Hematology/Oncology, Boston Children’s Hospital and Dana Farber Cancer Institute, Boston, Boston, MA, United States
| | - Guillaume Penel
- Univ. Lille, CHU Lille, Univ. Littoral Côte d’Opale, ULR 4490 - MABLab- Marrow Adiposity Laboratory, Lille, France
| | - Christophe Chauveau
- Univ. Lille, CHU Lille, Univ. Littoral Côte d’Opale, ULR 4490 - MABLab- Marrow Adiposity Laboratory, Lille, France
| | - Olaia Naveiras
- Laboratory of Regenerative Hematopoiesis, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
- Service of Hematology, Department of Oncology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Service of Hematology, Department of Laboratory Medicine Oncology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- *Correspondence: Olaia Naveiras,
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Weng Z, Wang Y, Ouchi T, Liu H, Qiao X, Wu C, Zhao Z, Li L, Li B. OUP accepted manuscript. Stem Cells Transl Med 2022; 11:356-371. [PMID: 35485439 PMCID: PMC9052415 DOI: 10.1093/stcltm/szac004] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/19/2021] [Indexed: 11/14/2022] Open
Affiliation(s)
| | | | - Takehito Ouchi
- Department of Physiology, Tokyo Dental College, Tokyo, Japan
| | - Hanghang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Xianghe Qiao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Chenzhou Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Longjiang Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Bo Li
- Corresponding author: Bo Li, DDS, PhD, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No.14, 3rd Section of Ren Min Nan Rd. Chengdu, Sichuan 610041, People’s Republic of China.
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Endothelial cell-derived angiopoietin-like protein 2 supports hematopoietic stem cell activities in bone marrow niches. Blood 2021; 139:1529-1540. [PMID: 34929029 PMCID: PMC9015010 DOI: 10.1182/blood.2021011644] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 12/11/2021] [Indexed: 11/20/2022] Open
Abstract
Endothelial cell-derived ANGPTL2 is important for the maintenance of HSC activities in bone marrow niches. ANGPTL2-mediated signaling pathways enhance PPARδ expression to transactivate G0s2 to sustain HSC activities.
Bone marrow niche cells have been reported to fine-tune hematopoietic stem cell (HSC) stemness via direct interaction or secreted components. Nevertheless, how niche cells control HSC activities remains largely unknown. We previously showed that angiopoietin-like protein 2 (ANGPTL2) can support the ex vivo expansion of HSCs by binding to human leukocyte immunoglobulin-like receptor B2. However, how ANGPTL2 from specific niche cell types regulates HSC activities under physiological conditions is still not clear. Herein, we generated an Angptl2-flox/flox transgenic mouse line and conditionally deleted Angptl2 expression in several niche cells, including Cdh5+ or Tie2+ endothelial cells, Prx1+ mesenchymal stem cells, and Pf4+ megakaryocytes, to evaluate its role in the regulation of HSC fate. Interestingly, we demonstrated that only endothelial cell-derived ANGPTL2 and not ANGPTL2 from other niche cell types plays important roles in supporting repopulation capacity, quiescent status, and niche localization. Mechanistically, ANGPTL2 enhances peroxisome-proliferator-activated receptor D (PPARD) expression to transactivate G0s2 to sustain the perinuclear localization of nucleolin to prevent HSCs from entering the cell cycle. These findings reveal that endothelial cell-derived ANGPTL2 serves as a critical niche component to maintain HSC stemness, which may benefit the understanding of stem cell biology in bone marrow niches and the development of a unique strategy for the ex vivo expansion of HSCs.
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Ganesan S, Mathews V, Vyas N. Microenvironment and drug resistance in acute myeloid leukemia: Do we know enough? Int J Cancer 2021; 150:1401-1411. [PMID: 34921734 DOI: 10.1002/ijc.33908] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 12/18/2022]
Abstract
Acute myeloid leukemia (AMLs), as the name suggests, often develop suddenly and are very progressive forms of cancer. Unlike in acute promyelocytic leukemia, a subtype of AML, the outcomes in most other AMLs remain poor. This is mainly attributed to the acquired drug resistance and lack of targeted therapy. Different studies across laboratories suggest that the cellular mechanisms to impart therapy resistance are often very dynamic and should be identified in a context-specific manner. Our review highlights the progress made so far in identifying the different cellular mechanisms of mutation-independent therapy resistance in AML. It reiterates that for more effective outcomes cancer therapies should acquire a more tailored approach where the protective interactions between the cancer cells and their niches are identified and targeted.
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Affiliation(s)
- Saravanan Ganesan
- Department of Haematology, Christian Medical College, Vellore, India
| | - Vikram Mathews
- Department of Haematology, Christian Medical College, Vellore, India
| | - Neha Vyas
- Division of Molecular Medicine, St. John's Research Institute, SJNAHS, Bengaluru, India
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Tang A, Strat AN, Rahman M, Zhang H, Bao W, Liu Y, Shi D, An X, Manwani D, Shi P, Yazdanbakhsh K, Mendelson A. Murine bone marrow mesenchymal stromal cells have reduced hematopoietic maintenance ability in sickle cell disease. Blood 2021; 138:2570-2582. [PMID: 34329381 PMCID: PMC8678997 DOI: 10.1182/blood.2021012663] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/25/2021] [Indexed: 11/20/2022] Open
Abstract
Sickle cell disease (SCD) is characterized by hemolytic anemia, which can trigger oxidative stress, inflammation, and tissue injury that contribute to disease complications. Bone marrow mesenchymal stromal cells (MSCs) tightly regulate hematopoietic stem cell (HSC) homeostasis in health and disease, but their functionality in SCD remains unclear. We identified for the first time that murine SCD MSCs have altered gene signatures, reduced stem cell properties, and increased oxidative stress, due in part to hemolysis. Murine SCD MSCs had lower HSC maintenance ability in vitro and in vivo, as manifested by increased HSC mobilization and decreased HSC engraftment after transplant. Activation of Toll-like receptor-4 through p65 in MSCs further contributed to MSC dysfunction. Transfusions led to an improved MSC and HSC oxidative state in SCD mice. Improving the regulation between MSCs and HSCs has vital implications for enhancing clinical HSC transplantation and gene therapy outcomes and for identification of new molecular targets for alleviating SCD complications.
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Affiliation(s)
- Alice Tang
- Laboratory of Stem Cell Biology & Engineering
| | | | | | - Helen Zhang
- Laboratory of Stem Cell Biology & Engineering
| | - Weili Bao
- Laboratory of Complement Biology, and
| | | | - David Shi
- Laboratory of Stem Cell Biology & Engineering
| | - Xiuli An
- Laboratory of Membrane BiologyNew York Blood CenterNew YorkNY
| | - Deepa Manwani
- Department of Pediatrics, Montefiore Health Center, Albert Einstein College of Medicine, Children's Hospital at Montefiore, Bronx, NY; and
| | - Patricia Shi
- Sickle Cell Clinical Research Program, New York Blood Center, New York, NY
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107
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Wu Q, Zhang J, Lucas D. Anatomy of Hematopoiesis and Local Microenvironments in the Bone Marrow. Where to? Front Immunol 2021; 12:768439. [PMID: 34858426 PMCID: PMC8632041 DOI: 10.3389/fimmu.2021.768439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/13/2021] [Indexed: 11/28/2022] Open
Abstract
The shape and spatial organization -the anatomy- of a tissue profoundly influences its function. Knowledge of the anatomical relationships between parent and daughter cells is necessary to understand differentiation and how the crosstalk between the different cells in the tissue leads to physiological maintenance and pathological perturbations. Blood cell production takes place in the bone marrow through the progressive differentiation of stem cells and progenitors. These are maintained and regulated by a heterogeneous microenvironment composed of stromal and hematopoietic cells. While hematopoiesis has been studied in extraordinary detail through functional and multiomics approaches, much less is known about the spatial organization of blood production and how local cues from the microenvironment influence this anatomy. Here, we discuss some of the studies that revealed a complex anatomy of hematopoiesis where discrete local microenvironments spatially organize and regulate specific subsets of hematopoietic stem cells and/or progenitors. We focus on the open questions in the field and discuss how new tools and technological advances are poised to transform our understanding of the anatomy of hematopoiesis.
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Affiliation(s)
- Qingqing Wu
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, United States
| | - Jizhou Zhang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, United States
| | - Daniel Lucas
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, United States.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
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108
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Mun Y, Fazio S, Arrieta CN. Remodeling of the Bone Marrow Stromal Microenvironment During Pathogenic Infections. Curr Top Microbiol Immunol 2021; 434:55-81. [PMID: 34850282 DOI: 10.1007/978-3-030-86016-5_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The bone marrow (BM) is the primary hematopoietic organ and a hub in which organismal demands for blood cellular output are systematically monitored. BM tissues are additionally home to a plethora of mature immune cell types, providing functional environments for the activation of immune responses and acting as preferred anatomical reservoirs for cells involved in immunological memory. Stromal cells of the BM microenvironment crucially govern different aspects of organ function, by structuring tissue microanatomy and by directly providing essential regulatory cues to hematopoietic and immune components in distinct niches. Emerging evidence demonstrates that stromal networks are endowed with remarkable functional and structural plasticity. Stress-induced adaptations of stromal cells translate into demand-driven hematopoiesis. Furthermore, aberrations of stromal integrity arising from pathological conditions critically contribute to the dysregulation of BM function. Here, we summarize our current understanding of the alterations that pathogenic infections and ensuing inflammatory conditions elicit on the global topography of the BM microenvironment, the integrity of anatomical niches and cellular interactions, and ultimately, on the regulatory function of diverse stromal subsets.
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Affiliation(s)
- YeVin Mun
- Department of Medical Oncology and Hematology, University and University Hospital Zurich, Häldeliweg 4, 8032, Zurich, Switzerland
| | - Serena Fazio
- Department of Medical Oncology and Hematology, University and University Hospital Zurich, Häldeliweg 4, 8032, Zurich, Switzerland
| | - César Nombela Arrieta
- Department of Medical Oncology and Hematology, University and University Hospital Zurich, Häldeliweg 4, 8032, Zurich, Switzerland.
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109
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Wirth F, Huck K, Lubosch A, Zoeller C, Ghura H, Porubsky S, Nakchbandi IA. Cdc42 in osterix-expressing cells alters osteoblast behavior and myeloid lineage commitment. Bone 2021; 153:116150. [PMID: 34400384 DOI: 10.1016/j.bone.2021.116150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 01/05/2023]
Abstract
Osteoblasts are not only responsible for bone formation. They also support hematopoiesis. This requires responding to cues originating from several signaling pathways, a task performed by Rho GTPases. We therefore examined several transgenic mouse models and used inhibitors of Cdc42 in vitro. Deletion of Cdc42 in vivo using the Osterix promoter suppressed osteoblast function, while its deletion in differentiating osteoblasts using the Collagen-α1(I) promoter decreased osteoblast numbers. In both cases, bone mineral density diminished confirming the importance of Cdc42. Evaluation of hematopoiesis revealed that deletion of Cdc42 using the Osterix, but not the Collagen-α1(I) promoter increased the common myeloid progenitors (CMPs) in the bone marrow as well as the erythrocytes and the thrombocytes/platelets in peripheral blood. Causality between Cdc42 loss in early osteoblasts and increased myelopoiesis was confirmed in vitro. Work in vitro supported the conclusion that interleukin-4 mediated the increase in myelopoiesis. Thus, Cdc42 is required for healthy bone through regulation of bone formation in Osterix-expressing osteoblasts and the number of osteoblasts in differentiating osteoblasts. In addition, its expression in early osteoblasts/stromal cells modulates myelopoiesis. This highlights the importance of osteoblasts in regulating hematopoiesis.
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Affiliation(s)
- Franziska Wirth
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany
| | - Katrin Huck
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany
| | - Alexander Lubosch
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany
| | - Caren Zoeller
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany
| | - Hiba Ghura
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany
| | - Stefan Porubsky
- Institute of Pathology, University of Mainz, 55131 Mainz, Germany
| | - Inaam A Nakchbandi
- Institute of Immunology, University of Heidelberg, 69120 Heidelberg, Germany; Max-Planck Institute for Medical Research, 69120 Heidelberg, Germany; Max-Planck Institute for Biochemistry, 82152 Martinsried, Germany.
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110
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Role of the Microenvironment in Mesenchymal Stem Cell-Based Strategies for Treating Human Liver Diseases. Stem Cells Int 2021; 2021:5513309. [PMID: 34824587 PMCID: PMC8610645 DOI: 10.1155/2021/5513309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/23/2021] [Accepted: 10/30/2021] [Indexed: 11/17/2022] Open
Abstract
Liver disease is a severe health problem that endangers human health worldwide. Mesenchymal stem cell (MSC) therapy is a novel treatment for patients with different liver diseases due to its vast expansion potential and distinctive immunomodulatory properties. Despite several preclinical trials having confirmed the considerable efficacy of MSC therapy in liver diseases, the questionable safety and efficacy still limit its application. As a precursor cell, MSCs can adjust their characteristics in response to the surrounding microenvironment. The microenvironment provides physical and chemical factors essential for stem cell survival, proliferation, and differentiation. However, the mechanisms are still not completely understood. We, therefore, summarized the mechanisms underlying the MSC immune response, especially the interaction between MSCs and the liver microenvironment, discussing how to achieve better therapeutic effects.
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111
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Differentiation of fetal hematopoietic stem cells requires ARID4B to restrict autocrine KITLG/KIT-Src signaling. Cell Rep 2021; 37:110036. [PMID: 34818550 PMCID: PMC8722094 DOI: 10.1016/j.celrep.2021.110036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 07/15/2021] [Accepted: 11/01/2021] [Indexed: 11/26/2022] Open
Abstract
Balance between the hematopoietic stem cell (HSC) duality to either possess self-renewal capacity or differentiate into multipotency progenitors (MPPs) is crucial for maintaining homeostasis of the hematopoietic stem/progenitor cell (HSPC) compartment. To retain the HSC self-renewal activity, KIT, a receptor tyrosine kinase, in HSCs is activated by its cognate ligand KITLG originating from niche cells. Here, we show that AT-rich interaction domain 4B (ARID4B) interferes with KITLG/KIT signaling, consequently allowing HSC differentiation. Conditional Arid4b knockout in mouse hematopoietic cells blocks fetal HSC differentiation, preventing hematopoiesis. Mechanistically, ARID4B-deficient HSCs self-express KITLG and overexpress KIT. As to downstream pathways of KITLG/KIT signaling, inhibition of Src family kinases rescues the HSC differentiation defect elicited by ARID4B loss. In summary, the intrinsic ARID4B-KITLG/KIT-Src axis is an HSPC regulatory program that enables the differentiation state, while KIT stimulation by KITLG from niche cells preserves the HSPC undifferentiated pool. Hematopoietic stem cells (HSCs) at the top of the hematopoietic hierarchy are able to self-renew and differentiate to mature blood cells. Young et al. report that an HSC self-control mechanism established by ARID4B ensures HSC differentiation. ARID4B-deficient HSCs produce KITLG to stimulate KIT, leading to blockage of HSC differentiation and eventual hematopoietic failure.
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112
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Godavarthy PS, Walter CB, Lengerke C, Klein G. The Laminin Receptors Basal Cell Adhesion Molecule/Lutheran and Integrin α7β1 on Human Hematopoietic Stem Cells. Front Cell Dev Biol 2021; 9:675240. [PMID: 34746117 PMCID: PMC8570280 DOI: 10.3389/fcell.2021.675240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 10/01/2021] [Indexed: 11/17/2022] Open
Abstract
In the adult organism, hematopoietic stem and progenitor cells (HSPC) reside in the bone marrow (BM) in specialized hematopoietic stem cell niches of which the extracellular matrix (ECM) is an integral component. Laminins (LM) are a family of heterotrimeric ECM molecules of which mainly family members containing an α4 or α5 chain are expressed in cells from BM niches and involved in HSPC homing and proliferation. Various integrin and non-integrin laminin receptors have been identified and characterized. Among these, the integrins α6β1 and α3β1 were reported to be strongly expressed on human and mouse HSPC. In the present study, we focus on two further specific laminin receptors, namely integrin α7β1 and basal cell adhesion molecule/Lutheran (BCAM/Lu). Using RT-PCR analyses, immunofluorescence staining, immunoblotting and flow cytometry, we show that both are strongly expressed by human lineage-negative CD34 + HSPC. Treatment with function-blocking antibodies against BCAM/Lu neither inhibits the strong adhesive interaction of CD34 + HSPC with LM-511/LM-521 nor the LM-511/LM-521 mediated changes in CD34 + HSPC proliferation, but however, influences the cytokine-induced differentiation of HSPC in colony formation assays. In addition, stromal-derived factor (SDF) 1α-mediated transmigration of CD34 + HSPC through an endothelial cell layer was effectively diminished by BCAM/Lu antibodies, suggesting a direct involvement of BCAM/Lu in the migration process. This study indicates that both laminin receptors newly identified on human CD34 + HSPC should be taken into consideration in future studies.
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Affiliation(s)
- Parimala Sonika Godavarthy
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Christina B Walter
- Department of Gynecology and Obstetrics, University Hospital Tübingen, Tübingen, Germany
| | - Claudia Lengerke
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Gerd Klein
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Tübingen, Germany
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113
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Takahashi M, Kobayashi H, Mizutani Y, Hara A, Iida T, Miyai Y, Asai N, Enomoto A. Roles of the Mesenchymal Stromal/Stem Cell Marker Meflin/Islr in Cancer Fibrosis. Front Cell Dev Biol 2021; 9:749924. [PMID: 34676218 PMCID: PMC8523999 DOI: 10.3389/fcell.2021.749924] [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: 07/30/2021] [Accepted: 09/06/2021] [Indexed: 01/03/2023] Open
Abstract
Fibroblasts synthesise the extracellular matrix (ECM) such as collagen and elastin, the excessive accumulation of which can lead to fibrosis and organ dysfunction under pathological conditions. Cancer-associated fibroblasts (CAFs) are major constituents of the tumour microenvironment (TME) that accompany the desmoplastic reaction responsible for anti-cancer treatment resistance. Thus, it is important to dissect the roles of CAFs in the TME to develop new therapeutic strategies for refractory cancers. Recent progress in the studies of CAF biology suggests that the functions of CAFs are complicated and that they are composed of functionally distinct populations, including cancer-promoting CAFs (pCAFs) and cancer-restraining CAFs (rCAFs). We recently identified a new cell surface marker for rCAFs in pancreatic and colon cancers, designated as Meflin (mesenchymal stromal cell- and fibroblast-expressing Linx paralogue)/Islr (immunoglobulin super family containing leucine-rich repeat). Based on the distribution of Meflin/Islr-positive cells, we also considered it a specific candidate marker for mesenchymal stroma/stem cells. Meflin/Islr-positive CAFs have been shown to suppress cancer progression by being involved in regulating collagen structures and BMP signalling in the TME. This review describes the function of Meflin/Islr in cancer fibrosis as well as in cardiac and lung fibrosis and its potential in the development of new cancer therapeutics.
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Affiliation(s)
- Masahide Takahashi
- International Center for Cell and Gene Therapy, Fujita Health University, Toyoake, Japan
| | - Hiroki Kobayashi
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yasuyuki Mizutani
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akitoshi Hara
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tadashi Iida
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuki Miyai
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Naoya Asai
- Department of Pathology, Fujita Health University, Toyoake, Japan
| | - Atsushi Enomoto
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Luo T, von der Ohe J, Hass R. MSC-Derived Extracellular Vesicles in Tumors and Therapy. Cancers (Basel) 2021; 13:cancers13205212. [PMID: 34680359 PMCID: PMC8533755 DOI: 10.3390/cancers13205212] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/15/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Therapeutic functions of mesenchymal stroma-/stem-like cells (MSCs) are mediated predominantly through paracrine effects by the release of various different components. Upon recruitment of MSCs to damaged tissue sites or tumors, several bioactive molecules and organelles that are secreted by MSCs among others are cytokines, chemokines, metabolites, and extracellular vesicles including exosomes. The MSC-mediated cargo of released exosomes contains specific proteins and nucleic acids with varying regulatory microRNAs according to the tissue origin and the MSC microenvironment. These MSC-released exosomes are taken up by different target cells in damaged tissues to promote a regulatory network of tissue repair, including immune modulation and induction of angiogenesis. Conversely, in tumors, MSC-derived exosomes can confer predominant signals to suppress neovascularization and to relay further tumor-inhibitory effects. However, MSCs that adapted to the tumor tissue by mutual interaction with cancer cells progressively alter to an aberrant phenotype with the release of exosomes carrying tumor-supportive material. Abstract Exosomes derived from mesenchymal stroma-/stem-like cells (MSCs) as part of extracellular vesicles are considered cell-free biocompatible nanovesicles that promote repair activities of damaged tissues or organs by exhibiting low immunogenic and cytotoxic effects. Contributions to regenerative activities include wound healing, maintenance of stem cell niches, beneficial regenerative effects in various diseases, and reduction of senescence. However, the mode of action in MSC-derived exosomes strongly depends on the biological content like different regulatory microRNAs that are determined by the tissue origin of MSCs. In tumors, MSCs use indirect and direct pathways in a communication network to interact with cancer cells. This leads to mutual functional changes with the acquisition of an aberrant tumor-associated MSC phenotype accompanied by altered cargo in the exosomes. Consequently, MSC-derived exosomes either from normal tissue-originating MSCs or from aberrant tumor-associated MSCs can confer different actions on tumor development. These processes exhibiting tumor-inhibitory and tumor-supportive effects with a focus on exosome microRNA content will be discriminated and discussed within this review.
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Affiliation(s)
| | | | - Ralf Hass
- Correspondence: ; Tel.: +49-511-532-6070
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115
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Hao J, Zhou H, Nemes K, Yen D, Zhao W, Bramlett C, Wang B, Lu R, Shen K. Membrane-bound SCF and VCAM-1 synergistically regulate the morphology of hematopoietic stem cells. J Cell Biol 2021; 220:212562. [PMID: 34402812 PMCID: PMC8374872 DOI: 10.1083/jcb.202010118] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 06/29/2021] [Accepted: 07/29/2021] [Indexed: 12/12/2022] Open
Abstract
Membrane-bound factors expressed by niche stromal cells constitute a unique class of localized cues and regulate the long-term functions of adult stem cells, yet little is known about the underlying mechanisms. Here, we used a supported lipid bilayer (SLB) to recapitulate the membrane-bound interactions between hematopoietic stem cells (HSCs) and niche stromal cells. HSCs cluster membrane-bound stem cell factor (mSCF) at the HSC-SLB interface. They further form a polarized morphology with aggregated mSCF under a large protrusion through a synergy with VCAM-1 on the bilayer, which drastically enhances HSC adhesion. These features are unique to mSCF and HSCs among the factors and hematopoietic populations we examined. The mSCF-VCAM-1 synergy and the polarized HSC morphology require PI3K signaling and cytoskeletal reorganization. The synergy also enhances nuclear retention of FOXO3a, a crucial factor for HSC maintenance, and minimizes its loss induced by soluble SCF. Our work thus reveals a unique role and signaling mechanism of membrane-bound factors in regulating stem cell morphology and function.
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Affiliation(s)
- Jia Hao
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA
| | - Hao Zhou
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA
| | - Kristen Nemes
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA
| | - Daniel Yen
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA
| | - Winfield Zhao
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA
| | - Charles Bramlett
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA
| | - Bowen Wang
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA
| | - Rong Lu
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA.,Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA.,Department of Medicine, University of Southern California, Los Angeles, CA
| | - Keyue Shen
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA.,USC Stem Cell, University of Southern California, Los Angeles, CA
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116
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Goutas A, Trachana V. Stem cells' centrosomes: How can organelles identified 130 years ago contribute to the future of regenerative medicine? World J Stem Cells 2021; 13:1177-1196. [PMID: 34630857 PMCID: PMC8474719 DOI: 10.4252/wjsc.v13.i9.1177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/03/2021] [Accepted: 08/09/2021] [Indexed: 02/06/2023] Open
Abstract
At the core of regenerative medicine lies the expectation of repair or replacement of damaged tissues or whole organs. Donor scarcity and transplant rejection are major obstacles, and exactly the obstacles that stem cell-based therapy promises to overcome. These therapies demand a comprehensive understanding of the asymmetric division of stem cells, i.e. their ability to produce cells with identical potency or differentiated cells. It is believed that with better understanding, researchers will be able to direct stem cell differentiation. Here, we describe extraordinary advances in manipulating stem cell fate that show that we need to focus on the centrosome and the centrosome-derived primary cilium. This belief comes from the fact that this organelle is the vehicle that coordinates the asymmetric division of stem cells. This is supported by studies that report the significant role of the centrosome/cilium in orchestrating signaling pathways that dictate stem cell fate. We anticipate that there is sufficient evidence to place this organelle at the center of efforts that will shape the future of regenerative medicine.
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Affiliation(s)
- Andreas Goutas
- Department of Biology, Faculty of Medicine, University of Thessaly, Larisa 41500, Biopolis, Greece
| | - Varvara Trachana
- Department of Biology, Faculty of Medicine, University of Thessaly, Larisa 41500, Biopolis, Greece.
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117
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Song T, Wang H, Liu Y, Cai R, Yang D, Xiong Y. TPGS-Modified Long-Circulating Liposomes Loading Ziyuglycoside I for Enhanced Therapy of Myelosuppression. Int J Nanomedicine 2021; 16:6281-6295. [PMID: 34548791 PMCID: PMC8449650 DOI: 10.2147/ijn.s326629] [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: 06/25/2021] [Accepted: 09/07/2021] [Indexed: 01/02/2023] Open
Abstract
Background Ziyuglycoside I (ZgI), an active ingredient isolated from traditional Chinese medicine Sanguisorba officinalis L, has been demonstrated to increase the leucocytes and protect hematopoietic stem cells. However, the poor solubility and a short half-life of ZgI limit its bioavailability and efficacy. The D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) has been widely used to increase the solubility, improve the encapsulation rate, and extend the half-life of drugs. Methods Here, we formulated the TPGS-modified long-circulating liposomes loading ZgI with a sustained drug release and enhanced therapy for myelosuppression. ZgI-TPGS-liposomes were manufactured using a thin-film hydration technique, followed by characterizations of physicochemical properties, including the particle size, zeta potential, TEM, SEM, FTIR, XRD, stability, drug loading (DL), encapsulation efficiency (EE). The in vitro and in vivo delivery efficiency were further evaluated by cellular uptake, in vitro drug release and in vivo pharmacokinetics. Finally, therapeutic effect on myelosuppression was investigated. Results The ZgI-TPGS-liposomes had an particle size of 97.89 ± 1.42 nm and ZP of −28.65 ± 0.16 mV. It exhibited DL of 9.06 ± 0.76% and EE of 92.34 ± 3.83%, along with excellent storage stability, cellular uptake and sustained drug release to free ZgI and liposomes without TPGS. Additionally, the TPGS modified liposomes significantly enhanced the therapeutic effect of ZgI on CTX induced myelosuppression, which can be confirmed in the apoptosis inhibition and cell viability promotion of CTX injured HSPC-1 cells. Also, the mice in vivo pharmacodynamics demonstrated that TPGS liposomes promoted ZgI increasing the numbers of leucocytes and neutrophils in myelosuppression mice induced by CTX. Conclusion Our research suggest that TPGS-modified long-circulating liposomes loading ziyuglycoside I has potential application in myelosuppression therapy.
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Affiliation(s)
- Tingting Song
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
| | - Hong Wang
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
| | - Yue Liu
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
| | - Rongshan Cai
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
| | - Dezhi Yang
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
| | - Yongai Xiong
- Department of Pharmacy, Zunyi Medical University, Zunyi City, People's Republic of China
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118
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Galipeau J. Macrophages at the nexus of mesenchymal stromal cell potency: The emerging role of chemokine cooperativity. Stem Cells 2021; 39:1145-1154. [PMID: 33786935 PMCID: PMC8453730 DOI: 10.1002/stem.3380] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/12/2021] [Indexed: 05/10/2023]
Abstract
Pharmacological depletion of macrophages in vivo with liposomal clodronate renders mice unresponsive to adoptive transfer of mesenchymal stromal cells (MSCs) for affecting outcomes of acute inflammatory pathology. This experimental observation identifies host macrophages as necessary in mediating the salutary anti-inflammatory properties of MSCs as a cellular pharmaceutical. This theory is supported by the observation that transfusion of MSCs leads to the prompt phagocytosis of nearly half of lung entrapped MSCs by lung resident macrophages, triggering an interleukin (IL)-10 suppressive efferocytotic response. In addition, non-phagocytosed MSCs with COX2 competency shape the immune milieu by inducing tissue macrophages to express IL-10. Additional experimental evidence identifies MSC-borne IL-6, IDO and TSG-6 as directly involved in macrophage polarization. Along similar lines of functional convergence, implantation of CCL2+ MSCs in the extravascular space where interaction with lung resident perivascular macrophages is not operative, also leads to IL-10 polarization of CCR2+ macrophages within acute injured tissue far removed from MSC depot. Intriguingly, MSC-derived CCL2 on its own is not sufficient to polarize macrophages and requires heterodimerization with MSC-borne CXCL12 to trigger macrophage IL-10 polarization via CCR2, but not CXCR4. Such chemokine cooperativity opens a new venue for analysis of MSC potency especially considering the rich chemokine secretome of MSC exposed to inflammatory stimulus. As an aggregate, these data highlight a necessary MSC and host macrophage functional dyad that may inform potency attribute analysis of MSCs-including the chemokine interactome-that may be directly linked to in vivo clinical anti-inflammatory and regenerative response.
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Affiliation(s)
- Jacques Galipeau
- Department of Medicine, School of Medicine and Public HealthUniversity of Wisconsin in MadisonMadisonWisconsinUSA
- University of Wisconsin Carbone Comprehensive CancerMadisonWisconsinUSA
- University of Wisconsin Program for Advanced Cell TherapyMadisonWisconsinUSA
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119
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Abstract
Hematopoietic stem cells (HSCs) are ultimately responsible for the lifelong renewal of all blood cell lineages. In the bone marrow (BM), HSCs reside in specialized microenvironments referred to as the "niche." HSC niche consists of complex components including heterogeneous cell populations, growth factors, and extracellular matrix molecules. The crosstalk between HSCs and their niche is essential to regulate the survival, self-renewal, migration, quiescence, and differentiation of HSCs. The application of mice models with endogenous ablation of specific cell types, advanced imaging technologies, high-throughput single-cell RNA sequencing, and single-cell mass cytometry methods have provided deep insights into communications between HSCs and niche cells. In this chapter, we have focused on three important cell types in the BM niche: mesenchymal stem cells (MSCs), osteoblasts (OBs), and endothelial cells (ECs). In order to address the interaction between HSCs and these three cell populations in BM niche, we have described methodology for (1) collecting total BM from femur and tibia of C57BL/6 mice; (2) analyzing or sorting of MSCs, OBs, and ECs based on the selection of surface markers CD45, Ter119, CD31, Sca1, and CD51 with flow cytometry; and (3) co-culturing the sorted cells with purified HSCs for further functional assays of HSCs.
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120
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Marinescu CI, Preda MB, Neculachi CA, Rusu EG, Popescu S, Burlacu A. Identification of a Hematopoietic Cell Population Emerging From Mouse Bone Marrow With Proliferative Potential In Vitro and Immunomodulatory Capacity. Front Immunol 2021; 12:698070. [PMID: 34413852 PMCID: PMC8368722 DOI: 10.3389/fimmu.2021.698070] [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: 04/20/2021] [Accepted: 07/16/2021] [Indexed: 11/13/2022] Open
Abstract
There is continuing interest in therapeutic applications of bone marrow-derived mesenchymal stromal cells (MSC). Unlike human counterparts, mouse MSC are difficult to propagate in vitro due to their contamination with adherent hematopoietic cells that overgrow the cultures. Here we investigated the properties of these contaminating cells, referred to as bone marrow-derived proliferating hematopoietic cells (BM-PHC). The results showed that both BM-PHC and MSC had strong immunomodulatory properties on T cells in vitro, with PGE2 and NO involved in this mechanism. However, BM-PHC were stronger immunomodulators than MSC, with CCL-6 identified as putative molecule responsible for superior effects. In vivo studies showed that, in contrast to BM-PHC, MSC endorsed a more rapid xenograft tumor rejection, thus indicating a particular context in which only MSC therapy would produce positive outcomes. In conclusion, bone marrow contains two cell populations with immunomodulatory properties, which are valuable sources for therapeutic studies in specific disease-relevant contexts.
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Affiliation(s)
- Catalina-Iolanda Marinescu
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
| | - Mihai Bogdan Preda
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
| | - Carmen Alexandra Neculachi
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
| | - Evelyn Gabriela Rusu
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
| | - Sinziana Popescu
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
| | - Alexandrina Burlacu
- Laboratory of Stem Cell Biology, Department of Regenerative Medicine, Institute of Cellular Biology and Pathology "Nicolae Simionescu", Bucharest, Romania
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121
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Woods K, Guezguez B. Dynamic Changes of the Bone Marrow Niche: Mesenchymal Stromal Cells and Their Progeny During Aging and Leukemia. Front Cell Dev Biol 2021; 9:714716. [PMID: 34447754 PMCID: PMC8383146 DOI: 10.3389/fcell.2021.714716] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 07/22/2021] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are a heterogenous cell population found in a wide range of tissues in the body, known for their nutrient-producing and immunomodulatory functions. In the bone marrow (BM), these MSCs are critical for the regulation of hematopoietic stem cells (HSC) that are responsible for daily blood production and functional immunity throughout an entire organism's lifespan. Alongside other stromal cells, MSCs form a specialized microenvironment BM tissue called "niche" that tightly controls HSC self-renewal and differentiation. In addition, MSCs are crucial players in maintaining bone integrity and supply of hormonal nutrients due to their capacity to differentiate into osteoblasts and adipocytes which also contribute to cellular composition of the BM niche. However, MSCs are known to encompass a large heterogenous cell population that remains elusive and poorly defined. In this review, we focus on deciphering the BM-MSC biology through recent advances in single-cell identification of hierarchical subsets with distinct functionalities and transcriptional profiles. We also discuss the contribution of MSCs and their osteo-adipo progeny in modulating the complex direct cell-to-cell or indirect soluble factors-mediated interactions of the BM HSC niche during homeostasis, aging and myeloid malignancies. Lastly, we examine the therapeutic potential of MSCs for rejuvenation and anti-tumor remedy in clinical settings.
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Affiliation(s)
- Kevin Woods
- German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany
- Department of Hematology and Oncology, University Medical Center Mainz, Mainz, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Borhane Guezguez
- German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany
- Department of Hematology and Oncology, University Medical Center Mainz, Mainz, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
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122
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Yao CL, Huang P, Liu TC, Lin YK, Chen CY, Lai YT, Chin TY, Tseng TY, Hsu YC. CCL2 associated with CD38 expression during ex vivo expansion in human cord blood-derived hematopoietic stem cells. Aging (Albany NY) 2021; 13:19878-19893. [PMID: 34375303 PMCID: PMC8386547 DOI: 10.18632/aging.203398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/08/2021] [Indexed: 11/26/2022]
Abstract
To date, different experimental strategies have been developed for the ex vivo expansion of human hematopoietic stem cells (HSCs) for clinical applications. However, differences in the genomic function of expanded HSCs under different culture systems remain unclear. In this study, we compared the gene expression profiles of HSCs in ex vivo expanded serum (10% FBS, fetal bovine serum) and serum-free culture systems and analyzed the molecular functions of differentially expressed genes using microarray chips. We identified 839 differentially expressed genes between the two culture systems. These genes were enriched in the TNF -regulated inflammatory pathway in an FBS culture system. In addition, the mRNA expression of CCL2 (C-C motif chemokine ligand 2), TNF (tumor necrosis factor) and FOS (FBJ murine osteosarcoma viral oncogene homolog) was validated by RT-qPCR. Our data revealed that ex vivo expansion of HSCs using the FBS culture system induces an inflammatory response and high CD38 expression, indicating that this system might activate an inflammatory pathway and induce expression of the cancer marker CD38 during ex vivo expansion of HSCs. This study provides a transcriptional profile and new insights into the genomic functions of HSCs under different expanded cultures.
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Affiliation(s)
- Chao-Ling Yao
- Department of Chemical Engineering, National Cheng Kung University, Tainan 701, Taiwan.,Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Taoyuan City 320, Taiwan.,Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Chung-Li, Taoyuan City 320, Taiwan
| | - Poyin Huang
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City 807, Taiwan.,Department of Neurology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung City 807, Taiwan.,Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung City 807, Taiwan.,Department of Neurology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
| | - Tsai-Chi Liu
- Department of Biomedical Sciences and Engineering, National Central University, Chung-Li, Taoyuan City 320, Taiwan
| | - Yung-Kai Lin
- Institute of Food Safety and Risk Management, National Taiwan Ocean University, Keelung City 202, Taiwan.,Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung City 402, Taiwan
| | - Ching-Yun Chen
- Department of Biomedical Sciences and Engineering, National Central University, Chung-Li, Taoyuan City 320, Taiwan
| | - Yi-Ting Lai
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Taoyuan City 320, Taiwan
| | - Tzu Yun Chin
- Department of Biomedical Sciences and Engineering, National Central University, Chung-Li, Taoyuan City 320, Taiwan
| | - Tsung-Yu Tseng
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Chung-Li, Taoyuan City 320, Taiwan
| | - Yi-Chiung Hsu
- Department of Biomedical Sciences and Engineering, National Central University, Chung-Li, Taoyuan City 320, Taiwan
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Broxmeyer HE, Yoder KK, Wu YC, Hutchins GD, Cooper SH, Farag SS. The Brain: Is it a Next Frontier to Better Understand the Regulation and Control of Hematopoiesis for Future Modulation and Treatment? Stem Cell Rev Rep 2021; 17:1083-1090. [PMID: 34255283 PMCID: PMC10784999 DOI: 10.1007/s12015-021-10203-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2021] [Indexed: 12/29/2022]
Abstract
We wish to suggest the possibility there is a link between the brain and hematopoiesis in the bone marrow and that in the future it may be possible to use such information for better understanding of the regulation of hematopoiesis, and for efficacious treatment of hematopoietic disorders.
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Affiliation(s)
- Hal E Broxmeyer
- Department of Microbiology and Immunology, Indiana University School of Medicine, 950 West Walnut Street, R2 Bldg, Room 302, Indianapolis, IN, 46202-5181, USA.
| | - Karmen K Yoder
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Yu-Chien Wu
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Gary D Hutchins
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Scott H Cooper
- Department of Microbiology and Immunology, Indiana University School of Medicine, 950 West Walnut Street, R2 Bldg, Room 302, Indianapolis, IN, 46202-5181, USA
| | - Sherif S Farag
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
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Hong F, Chen Y, Gao H, Shi J, Lu W, Ju W, Fu C, Qiao J, Xu K, Zeng L. NLRP1 in Bone Marrow Microenvironment Controls Hematopoietic Reconstitution After Transplantation. Transplant Cell Ther 2021; 27:908.e1-908.e11. [PMID: 34303016 DOI: 10.1016/j.jtct.2021.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 12/22/2022]
Abstract
Pretreatment before transplantation initiates an inflammatory response. Inflammasomes are key regulators of immune and inflammatory responses, but their role in regulating hematopoiesis is unclear. Our study intended to assess the role and mechanism of nucleotide-binding domain and leucine-rich repeat pyrin-domain containing protein 1 (NLRP1) in the bone marrow microenvironment on hematopoiesis regulation. To explore the effects of an absence of NLRP1 on hematopoietic reconstitution, we established a hematopoietic cell transplantation model by infusing bone marrow mononuclear cells of wild-type C57BL/6 mice into either NLRP1 knockout (NLRP1-KO) or wild-type C57BL/6 mice. Using the transplantation model, the role of NLRP1 in the bone marrow microenvironment was determined by flow cytometry, hemacytometry, and hematoxylin and eosin staining. As the major component of the bone marrow microenvironment, mesenchymal stem cells (MSCs) were isolated to analyze the effects of NLRP1 on them by osteogenic and adipogenic induction. Endothelial cells (ECs) were isolated and sorted by magnetic beads. The expression of adhesion molecules and their relationship with nuclear factor kappa B (NF-κB) were measured by immunofluorescence, enzyme-linked immunosorbent assay, and western blot. Finally, the effect of NLRP1-deleted MSCs or ECs on hematopoietic stem and progenitor cells (HSPCs) was examined by establishing co-culture models. Compared with C57BL/6 recipients, reduced inflammatory cell infiltration, decreased levels of proinflammatory cytokines interleukin (IL)-18, IL-1β, IL-6, tumor necrosis factor alpha (TNF-α), and interferon gamma (IFN-γ), together with reduced pathological injury of bone marrow, were observed in NLRP1-KO recipients after transplantation. However, increased HSPC engraftment and hematopoietic reconstitution were detected in NLRP1-KO recipients after transplantation. Furthermore, MSCs isolated from NLRP1-KO mice had decreased osteogenic and adipogenic differentiation and increased proliferation and differentiation of HSPCs. The expression of adhesion molecules in ECs from NLRP1-KO mice was increased due to the promotion of nuclear translocation of NF-κB; these adhesion molecules are critical for hematopoietic stem cell homing. Knockout of NLRP1 in the bone marrow microenvironment could significantly relieve bone marrow inflammatory response and promote hematopoietic reconstitution, perhaps by regulating MSCs and ECs, indicating that NLRP1 might be a target for the treatment of delayed hematopoietic and immune recovery in patients after hematopoietic stem cell transplantation.
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Affiliation(s)
- Fei Hong
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Yuting Chen
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Hui Gao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Jinrui Shi
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Wenyi Lu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Wen Ju
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Chunling Fu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China
| | - Jianlin Qiao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China.
| | - Kailin Xu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China.
| | - Lingyu Zeng
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Key Laboratory of Bone Marrow Stem Cell, Xuzhou, Jiangsu, China.
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Meza-León B, Gratzinger D, Aguilar-Navarro AG, Juárez-Aguilar FG, Rebel VI, Torlakovic E, Purton LE, Dorantes-Acosta EM, Escobar-Sánchez A, Dick JE, Flores-Figueroa E. Human, mouse, and dog bone marrow show similar mesenchymal stromal cells within a distinctive microenvironment. Exp Hematol 2021; 100:41-51. [PMID: 34228982 DOI: 10.1016/j.exphem.2021.06.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/22/2021] [Accepted: 06/26/2021] [Indexed: 12/22/2022]
Abstract
Bone marrow stromal cells (BMSCs) are a key part of the hematopoietic niche. Mouse and human BMSCs are recognized by different markers (LepR and NGFR/CD271, respectively). However, there has not been a detailed in situ comparison of both populations within the hematopoietic microenvironment. Moreover, dog BMSCs have not been characterized in situ by any of those markers. We conducted a systematic histopathological comparison of mouse, human, and dog BMSCs within their bone marrow architecture and microenvironment. Human and dog CD271+ BMSCs had a morphology, frequency, and distribution within trabecular bone marrow similar to those of mouse LepR+ BMSCs. However, mouse bone marrow had higher cellularity and megakaryocyte content. In conclusion, highly comparable bone marrow mesenchymal stromal cell distribution among the three species establishes the validity of using mouse and dog as a surrogate experimental model of hematopoietic stem cell-BMSC interactions. However, the distinct differences in adipocyte and megakaryocyte microenvironment content of mouse bone marrow and how they might influence hematopoietic stem cell interactions as compared with humans require further study.
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Affiliation(s)
- Berenice Meza-León
- Unidad de Investigación Médica en Enfermedades Oncológicas. Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, México
| | - Dita Gratzinger
- Department of Pathology, Stanford University School of Medicine, Stanford, CA
| | - Alicia G Aguilar-Navarro
- Unidad de Investigación Médica en Enfermedades Oncológicas. Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, México
| | - Fany G Juárez-Aguilar
- Departamento de Patología, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, México
| | - Vivienne I Rebel
- Department of Cell Systems & Anatomy, The University of Texas Health Science Center at San Antonio, San Antonio, TX
| | - Emina Torlakovic
- Saskatchewan Health Authority (SHA), Saskatoon, Saskatchewan, Canada; University of Saskatchewan, Saskatchewan, Canada
| | - Louise E Purton
- St. Vincent's Institute of Medical Research, Fitzroy, VIC, Australia; Department of Medicine, University of Melbourne, Parkville, VIC, Australia
| | - Elisa M Dorantes-Acosta
- Biobanco de Investigación en Células Leucémicas, Hospital Infantil de México Federico Gómez, Mexico City, México
| | | | - John E Dick
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Eugenia Flores-Figueroa
- Unidad de Investigación Médica en Enfermedades Oncológicas. Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, México; Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada.
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Ferrara G, Ivaldi F, Mancardi G, Kerlero de Rosbo N, Uccelli A. Bone Marrow Transfer in Relapsing-Remitting EAE Ameliorates Disease at First Remission, with No Synergistic Effect upon Co-Transplantation with Mesenchymal Stem Cells. Vaccines (Basel) 2021; 9:vaccines9070736. [PMID: 34358152 PMCID: PMC8310084 DOI: 10.3390/vaccines9070736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
Multiple sclerosis (MS) is a neurological disorder characterized by an autoimmune response, demyelinating plaques and axonal damage. Intense immunosuppression (II) followed by autologous hematopoietic stem cell transplantation has been proposed as a treatment in severe forms of MS. We have used murine relapsing-remitting (RR) experimental autoimmune encephalomyelitis (RR-EAE) to evaluate the transplantation of syngeneic bone marrow cells (BMC) after II, in combination with mesenchymal stem cells (MSCs) as a new therapeutic adjunct capable of improving immune reconstitution. In EAE-affected mice treated with BMC alone, we observed a drastic reduction in the clinical course only during the early RR phase of the disease. There was no difference in the RR-EAE clinical course between mice treated with BMC alone and co-transplanted mice. To analyze the immune reconstitution, we quantified the circulating immune cells in naïve and RR-EAE-affected mice after II, with BMC alone or in combination with MSC. Although II resulted in reduced numbers of circulating immune cells, reconstitution did not differ in co-transplanted mice. During the early phase of the disease, IL-4 was significantly elevated in co-transplanted mice, as compared to those treated with BMC alone. These data suggest that BMC transplantation after II transiently ameliorates the clinical symptoms of RR-EAE, but that co-transplantation with MSC has no synergistic effect.
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Affiliation(s)
- Giovanni Ferrara
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy; (F.I.); (A.U.)
- Correspondence: ; Tel.: +39-0105558762
| | - Federico Ivaldi
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy; (F.I.); (A.U.)
- Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (G.M.); (N.K.d.R.)
| | - Gianluigi Mancardi
- Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (G.M.); (N.K.d.R.)
- IRCCS, ICS Maugeri, 27100 Pavia, Italy
| | - Nicole Kerlero de Rosbo
- Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (G.M.); (N.K.d.R.)
| | - Antonio Uccelli
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy; (F.I.); (A.U.)
- Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, 16132 Genoa, Italy; (G.M.); (N.K.d.R.)
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127
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Ghosh J, El Koussa R, Mohamad SF, Liu J, Kacena MA, Srour EF. Cellular components of the hematopoietic niche and their regulation of hematopoietic stem cell function. Curr Opin Hematol 2021; 28:243-250. [PMID: 33966008 PMCID: PMC8169581 DOI: 10.1097/moh.0000000000000656] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW Development and functions of hematopoietic stem cells (HSC) are regulated by multiple cellular components of the hematopoietic niche. Here we review the recent advances in studying the role of three such components -- osteoblasts, osteomacs, and megakaryocytes and how they interact with each other in the hematopoietic niche to regulate HSC. RECENT FINDINGS Recent advances in transgenic mice models, scRNA-seq, transcriptome profile, proteomics, and live animal imaging have revealed the location of HSC within the bone and signaling molecules required for the maintenance of the niche. Interaction between megakaryocytes, osteoblasts and osteomacs enhances hematopoietic stem and progenitor cells (HSPC) function. Studies also revealed the niche as a dynamic entity that undergoes cellular and molecular changes in response to stress. Aging, which results in reduced HSC function, is associated with a decrease in endosteal niches and osteomacs as well as reduced HSC--megakaryocyte interactions. SUMMARY Novel approaches to study the cellular components of the niche and their interactions to regulate HSC development and functions provided key insights about molecules involved in the maintenance of the hematopoietic system. Furthermore, these studies began to build a more comprehensive model of cellular interactions and dynamics in the hematopoietic niche.
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Affiliation(s)
- Joydeep Ghosh
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Roy El Koussa
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Safa F. Mohamad
- Department of Hematology/Oncology, Boston Children’s Hospital, Harvard University, Boston, MA, USA
| | - Jianyun Liu
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Melissa A. Kacena
- Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Edward F. Srour
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
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128
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Tratwal J, Rojas-Sutterlin S, Bataclan C, Blum S, Naveiras O. Bone marrow adiposity and the hematopoietic niche: A historical perspective of reciprocity, heterogeneity, and lineage commitment. Best Pract Res Clin Endocrinol Metab 2021; 35:101564. [PMID: 34417114 DOI: 10.1016/j.beem.2021.101564] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE Here we review the current knowledge on bone marrow adipocytes (BMAds) as active contributors to the regulation of the hematopoietic niche, and as potentially pivotal players in the progression of hematological malignancies. We highlight the hierarchical and functional heterogeneity of the adipocyte lineage within the bone marrow, and how potentially different contexts dictate their interactions with hematopoietic populations. RECENT FINDINGS Growing evidence associates the adipocyte lineage with important functions in hematopoietic regulation within the BM niche. Initially proposed to serve as negative regulators of the hematopoietic microenvironment, studies have also demonstrated that BMAds positively influence the survival and maintenance of hematopoietic stem cells (HSCs). These seemingly incongruous findings may at least be partially explained by stage-specificity across the adipocytic differentiation axis and by BMAds subtypes, suggesting that the heterogeneity of these populations allows for differential context-based interactions. One such distinction relies on the location of adipocytes. Constitutive bone marrow adipose tissue (cBMAT) historically associates to the "yellow" marrow containing so-called "stable" BMAs larger in size, less responsive to stimuli, and linked to HSC quiescence. On the other hand, regulated bone marrow adipose tissue (rBMAT)-associated adipocytes, also referred to as "labile" are smaller, more responsive to hematopoietic demand and strategically situated in hematopoietically active regions of the skeleton. Here we propose a model where the effect of distinct BM stromal cell populations (BMSC) in hematopoiesis is structured along the BMSC-BMAd differentiation axis, and where the effects on HSC maintenance versus hematopoietic proliferation are segregated. In doing so, it is possible to explain how recently identified, adipocyte-primed leptin receptor-expressing, CXCL12-high adventitial reticular cells (AdipoCARs) and marrow adipose lineage precursor cells (MALPs) best support active hematopoietic cell proliferation, while adipose progenitor cells (APCs) and maturing BMAd gradually lose the capacity to support active hematopoiesis, favoring HSC quiescence. Implicated soluble mediators include MCP-1, PAI-1, NRP1, possibly DPP4 and limiting availability of CXCL12 and SCF. How remodeling occurs within the BMSC-BMAd differentiation axis is yet to be elucidated and will likely unravel a three-way regulation of the hematopoietic, bone, and adipocytic compartments orchestrated by vascular elements. The interaction of malignant hematopoietic cells with BMAds is precisely contributing to unravel specific mechanisms of remodeling. SUMMARY BMAds are important operative components of the hematopoietic microenvironment. Their heterogeneity directs their ability to exert a range of regulatory capacities in a manner dependent on their hierarchical, spatial, and biological context. This complexity highlights the importance of (i) developing experimental tools and nomenclature adapted to address stage-specificity and heterogeneity across the BMSC-BMAd differentiation axis when reporting effects in hematopoiesis, (ii) interpreting gene reporter studies within this framework, and (iii) quantifying changes in all three compartments (hematopoiesis, adiposity and bone) when addressing interdependency.
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Affiliation(s)
- Josefine Tratwal
- Laboratory of Regenerative Hematopoiesis, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Shanti Rojas-Sutterlin
- Laboratory of Regenerative Hematopoiesis, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Charles Bataclan
- Laboratory of Regenerative Hematopoiesis, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Sabine Blum
- Hematology Service, Departments of Oncology and Laboratory Medicine, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Olaia Naveiras
- Laboratory of Regenerative Hematopoiesis, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne (EPFL) & Department of Biomedical Sciences, University of Lausanne (UNIL), Lausanne, Switzerland; Hematology Service, Departments of Oncology and Laboratory Medicine, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland.
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129
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Barreto-Duran E, Mejia-Cruz CC, Jaramillo-Garcia LF, Leal-Garcia E, Barreto-Prieto A, Rodriguez-Pardo VM. 3D Multicellular Spheroid for the Study of Human Hematopoietic Stem Cells: Synergistic Effect Between Oxygen Levels, Mesenchymal Stromal Cells and Endothelial Cells. J Blood Med 2021; 12:517-528. [PMID: 34234608 PMCID: PMC8256312 DOI: 10.2147/jbm.s305319] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/27/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction The human bone marrow microenvironment is composed of biological, chemical and physical factors that act in a synergistic way to modulate hematopoietic stem cell biology, such as mesenchymal stromal cells (MSCs), endothelial cells (ECs) and low oxygen levels; however, it is difficult to mimic this human microenvironment in vitro. Methods In this work, we developed 3D multicellular spheroid (3D-MS) for the study of human hematopoietic stem cells (HSCs) with some components of perivascular niche. HSCs were isolated from umbilical cord blood, MSCs were isolated from human bone marrow and a microvasculature EC line (CC-2811, Lonza®) was used. For the formation of a 3D structure, a magnetic levitation culture system was used. Cultures were maintained in 21%, 3% and 1% O2 for 15 days. Culture volume, sphericity index and cell viability were determined. Also, human HSC proliferation, phenotype and production of reactive oxygen species were evaluated. Results After 15 days, 3D-MS exhibited viability greater than 80%. Histology results showed structures without necrotic centers, and higher cellular proliferation with 3% O2. An increase in the expression of the CD34 antigen and other hematopoietic antigens were observed to 1% O2 with MSCs plus ECs and low ROS levels. Conclusion These findings suggest that 3D-MS formed by MSCs, ECs and HSCs exposed to low concentrations of oxygen (1–3% O2) modulate human HSC behavior and mimics some features of the perivascular niche, which could reduce the use of animal models and deepen the relationship between the microenvironment of HSC and human hematological diseases development.
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Affiliation(s)
- Emilia Barreto-Duran
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia (South America)
| | - Claudia Camila Mejia-Cruz
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia (South America)
| | - Luis Fernando Jaramillo-Garcia
- Departamento de Patología, Facultad de Medicina, Pontificia Universidad Javeriana., Hospital Universitario San Ignacio, Bogotá D.C., Colombia (South America)
| | - Efrain Leal-Garcia
- Departamento de Ortopedia y Traumatología, Facultad de Medicina, Pontificia Universidad Javeriana., Hospital Universitario San Ignacio, Bogotá D.C., Colombia (South America)
| | - Alfonso Barreto-Prieto
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia (South America)
| | - Viviana Marcela Rodriguez-Pardo
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia (South America)
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130
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Lu Y, Liu M, Yang J, Weissman SM, Pan X, Katz SG, Wang S. Spatial transcriptome profiling by MERFISH reveals fetal liver hematopoietic stem cell niche architecture. Cell Discov 2021; 7:47. [PMID: 34183665 PMCID: PMC8238952 DOI: 10.1038/s41421-021-00266-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 03/25/2021] [Indexed: 12/17/2022] Open
Abstract
The hematopoietic stem cell (HSC) niche has been extensively studied in bone marrow, yet a more systematic investigation into the microenvironment regulation of hematopoiesis in fetal liver is necessary. Here we investigate the spatial organization and transcriptional profile of individual cells in both wild type (WT) and Tet2−/− fetal livers, by multiplexed error robust fluorescence in situ hybridization. We find that specific pairs of fetal liver cell types are preferentially positioned next to each other. Ligand-receptor signaling molecule pairs such as Kitl and Kit are enriched in neighboring cell types. The majority of HSCs are in direct contact with endothelial cells (ECs) in both WT and Tet2−/− fetal livers. Loss of Tet2 increases the number of HSCs, and upregulates Wnt and Notch signaling genes in the HSC niche. Two subtypes of ECs, arterial ECs and sinusoidal ECs, and other cell types contribute distinct signaling molecules to the HSC niche. Collectively, this study provides a comprehensive picture and bioinformatic foundation for HSC spatial regulation in fetal liver.
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Affiliation(s)
- Yanfang Lu
- Department of Genetics, Yale School of Medicine, New Haven, USA.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Guangzhou, Guangdong, China
| | - Miao Liu
- Department of Genetics, Yale School of Medicine, New Haven, USA
| | - Jennifer Yang
- Department of Genetics, Yale School of Medicine, New Haven, USA
| | | | - Xinghua Pan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China. .,Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Guangzhou, Guangdong, China.
| | - Samuel G Katz
- Department of Pathology, Yale School of Medicine, New Haven, USA.
| | - Siyuan Wang
- Department of Genetics, Yale School of Medicine, New Haven, USA. .,Department of Cell Biology, Yale School of Medicine, New Haven, USA.
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131
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Collins A, Mitchell CA, Passegué E. Inflammatory signaling regulates hematopoietic stem and progenitor cell development and homeostasis. J Exp Med 2021; 218:212383. [PMID: 34129018 PMCID: PMC8210624 DOI: 10.1084/jem.20201545] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/19/2021] [Accepted: 05/07/2021] [Indexed: 01/06/2023] Open
Abstract
Inflammation exerts multiple effects on the early hematopoietic compartment. Best studied is the role of proinflammatory cytokines in activating adult hematopoietic stem and progenitor cells to dynamically replenish myeloid lineage cells in a process known as emergency myelopoiesis. However, it is increasingly appreciated that the same proinflammatory signaling pathways are used in diverse hematopoietic scenarios. This review focuses on inflammatory signaling in the emergence of the definitive hematopoietic compartment during embryonic life, and tonic inflammatory signals derived from commensal microbiota in shaping the adult hematopoietic compartment in the absence of pathogenic insults. Insights into the unique and shared aspects of inflammatory signaling that regulate hematopoietic stem and progenitor cell function across the lifespan and health span of an individual will enable better diagnostic and therapeutic approaches to hematopoietic dysregulation and malignancies.
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Affiliation(s)
- Amélie Collins
- Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY.,Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Carl A Mitchell
- Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY.,Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY
| | - Emmanuelle Passegué
- Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY.,Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY
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132
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Matsushita Y, Chu AKY, Ono W, Welch JD, Ono N. Intercellular Interactions of an Adipogenic CXCL12-Expressing Stromal Cell Subset in Murine Bone Marrow. J Bone Miner Res 2021; 36:1145-1158. [PMID: 33651379 PMCID: PMC8605623 DOI: 10.1002/jbmr.4282] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 01/08/2021] [Accepted: 02/24/2021] [Indexed: 01/08/2023]
Abstract
Bone marrow houses a multifunctional stromal cell population expressing C-X-C motif chemokine ligand 12 (CXCL12), termed CXCL12-abundant reticular (CAR) cells, that regulates osteogenesis and adipogenesis. The quiescent pre-adipocyte-like subset of CXCL12+ stromal cells ("Adipo-CAR" cells) is localized to sinusoidal surfaces and particularly enriched for hematopoiesis-supporting cytokines. However, detailed characteristics of these CXCL12+ pre-adipocyte-like stromal cells and how they contribute to marrow adipogenesis remain largely unknown. Here we highlight CXCL12-dependent physical coupling with hematopoietic cells as a potential mechanism regulating the adipogenic potential of CXCL12+ stromal cells. Single-cell computational analyses of RNA velocity and cell signaling reveal that Adipo-CAR cells exuberantly communicate with hematopoietic cells through CXCL12-CXCR4 ligand-receptor interactions but do not interconvert with Osteo-CAR cells. Consistent with this computational prediction, a substantial fraction of Cxcl12-creER+ pre-adipocyte-like cells intertwines with hematopoietic cells in vivo and in single-cell preparation in a protease-sensitive manner. Deletion of CXCL12 in these cells using Col2a1-cre leads to a reduction of stromal-hematopoietic coupling and extensive marrow adipogenesis in adult bone marrow, which appears to involve direct conversion of CXCL12+ cells to lipid-laden marrow adipocytes without altering mesenchymal progenitor cell fates. Therefore, these findings suggest that CXCL12+ pre-adipocyte-like marrow stromal cells prevent their premature differentiation by maintaining physical coupling with hematopoietic cells in a CXCL12-dependent manner, highlighting a possible cell-non-autonomous mechanism that regulates marrow adipogenesis. © 2021 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Yuki Matsushita
- University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Angel Ka Yan Chu
- Department of Computational Medicine and Bioinformatics, Department of Computer Science and Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Wanida Ono
- University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Joshua D Welch
- Department of Computational Medicine and Bioinformatics, Department of Computer Science and Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Noriaki Ono
- University of Michigan School of Dentistry, Ann Arbor, MI, USA
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133
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Hara A, Kato K, Ishihara T, Kobayashi H, Asai N, Mii S, Shiraki Y, Miyai Y, Ando R, Mizutani Y, Iida T, Takefuji M, Murohara T, Takahashi M, Enomoto A. Meflin defines mesenchymal stem cells and/or their early progenitors with multilineage differentiation capacity. Genes Cells 2021; 26:495-512. [PMID: 33960573 PMCID: PMC8360184 DOI: 10.1111/gtc.12855] [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: 04/01/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells (MSCs) are the likely precursors of multiple lines of mesenchymal cells. The existence of bona fide MSCs with self‐renewal capacity and differentiation potential into all mesenchymal lineages, however, has been unclear because of the lack of MSC‐specific marker(s) that are not expressed by the terminally differentiated progeny. Meflin, a glycosylphosphatidylinositol‐anchored protein, is an MSC marker candidate that is specifically expressed in rare stromal cells in all tissues. Our previous report showed that Meflin expression becomes down‐regulated in bone marrow‐derived MSCs cultured on plastic, making it difficult to examine the self‐renewal and differentiation of Meflin‐positive cells at the single‐cell level. Here, we traced the lineage of Meflin‐positive cells in postnatal and adult mice, showing that those cells differentiated into white and brown adipocytes, osteocytes, chondrocytes and skeletal myocytes. Interestingly, cells derived from Meflin‐positive cells formed clusters of differentiated cells, implying the in situ proliferation of Meflin‐positive cells or their lineage‐committed progenitors. These results, taken together with previous findings that Meflin expression in cultured MSCs was lost upon their multilineage differentiation, suggest that Meflin is a useful potential marker to localize MSCs and/or their immature progenitors in multiple tissues.
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Affiliation(s)
- Akitoshi Hara
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Katsuhiro Kato
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Toshikazu Ishihara
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroki Kobayashi
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Naoya Asai
- Department of Pathology, Fujita Health University, Toyoake, Japan
| | - Shinji Mii
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yukihiro Shiraki
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuki Miyai
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ryota Ando
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yasuyuki Mizutani
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tadashi Iida
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Mikito Takefuji
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masahide Takahashi
- International Center for Cell and Gene Therapy, Fujita Health University, Toyoake, Japan
| | - Atsushi Enomoto
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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134
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Wei Q, Pinho S, Dong S, Pierce H, Li H, Nakahara F, Xu J, Xu C, Boulais PE, Zhang D, Maryanovich M, Cuervo AM, Frenette PS. MAEA is an E3 ubiquitin ligase promoting autophagy and maintenance of haematopoietic stem cells. Nat Commun 2021; 12:2522. [PMID: 33947846 PMCID: PMC8097058 DOI: 10.1038/s41467-021-22749-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 03/22/2021] [Indexed: 12/11/2022] Open
Abstract
Haematopoietic stem cells (HSCs) tightly regulate their quiescence, proliferation, and differentiation to generate blood cells during the entire lifetime. The mechanisms by which these critical activities are balanced are still unclear. Here, we report that Macrophage-Erythroblast Attacher (MAEA, also known as EMP), a receptor thus far only identified in erythroblastic island, is a membrane-associated E3 ubiquitin ligase subunit essential for HSC maintenance and lymphoid potential. Maea is highly expressed in HSCs and its deletion in mice severely impairs HSC quiescence and leads to a lethal myeloproliferative syndrome. Mechanistically, we have found that the surface expression of several haematopoietic cytokine receptors (e.g. MPL, FLT3) is stabilised in the absence of Maea, thereby prolonging their intracellular signalling. This is associated with impaired autophagy flux in HSCs but not in mature haematopoietic cells. Administration of receptor kinase inhibitor or autophagy-inducing compounds rescues the functional defects of Maea-deficient HSCs. Our results suggest that MAEA provides E3 ubiquitin ligase activity, guarding HSC function by restricting cytokine receptor signalling via autophagy.
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Affiliation(s)
- Qiaozhi Wei
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY, USA
| | - Sandra Pinho
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL, USA
| | - Shuxian Dong
- Department of Development and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Halley Pierce
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Huihui Li
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Fumio Nakahara
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Jianing Xu
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Chunliang Xu
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Philip E Boulais
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Dachuan Zhang
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Maria Maryanovich
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Ana Maria Cuervo
- Department of Development and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Paul S Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Bronx, NY, USA.
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA.
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA.
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135
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Oliveira CS, Carreira M, Correia CR, Mano JF. The Therapeutic Potential of Hematopoietic Stem Cells in Bone Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:379-392. [PMID: 33683146 DOI: 10.1089/ten.teb.2021.0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The repair process of bone fractures is a complex biological mechanism requiring the recruitment and in situ functionality of stem/stromal cells from the bone marrow (BM). BM mesenchymal stem/stromal cells have been widely explored in multiple bone tissue engineering applications, whereas the use of hematopoietic stem cells (HSCs) has been poorly investigated in this context. A reasonable explanation is the fact that the role of HSCs and their combined effect with other elements of the hematopoietic niches in the bone-healing process is still elusive. Therefore, in this review we intend to highlight the influence of HSCs in the bone repair process, mainly through the promotion of osteogenesis and angiogenesis at the bone injury site. For that, we briefly describe the main biological characteristics of HSCs, as well as their hematopoietic niches, while reviewing the biomimetic engineered BM niche models. Moreover, we also highlighted the role of HSCs in translational in vivo transplantation or implantation as promoters of bone tissue repair.
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Affiliation(s)
- Cláudia S Oliveira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Mariana Carreira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Clara R Correia
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
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136
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Chen L, Zhou D, Li X, Yang B, Xu T. Bioprinting of Human Cord Blood-Derived CD34+ Cells and Exploration of the Multilineage Differentiation Ability in Vitro. ACS Biomater Sci Eng 2021; 7:2592-2604. [PMID: 33939424 DOI: 10.1021/acsbiomaterials.0c01297] [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
The three-dimensional (3D) marrow microenvironment plays an essential role in regulating human cord blood-derived CD34+ cells (hCB-CD34+) migration, proliferation, and differentiation. Extensive in vitro and in vivo studies have aimed to recapitulate the main components of the bone marrow (BM) niche. Nonetheless, the models are limited by a lack of heterogeneity and compound structure. Here, we fabricated coaxial extruded core-shell tubular scaffolds and extrusion-based bioprinted cell-laden mesh scaffolds to mimic the functional niche in vitro. A multicellular mesh scaffold and two different core-shell tubular scaffolds were developed with human bone marrow-derived mesenchymal stromal cells (BMSCs) in comparison with a conventional 2D coculture system. A clear cell-cell connection was established in all three bioprinted constructs. Cell distribution and morphology were observed in different systems with scanning electron microscopy (SEM). Collected hCB-CD34+ cells were characterized by various stem cell-specific and lineage-specific phenotypic parameters. The results showed that compared with hCB-CD34+ cells cocultured with BMSCs in Petri dishes, the self-renewal potential of hCB-CD34+ cells was stronger in the tubular scaffolds after 14 days. Besides, cells in these core-shell constructs tended to obtain stronger differentiation potential of lymphoid and megakaryocytes, while cells encapsulated in mesh scaffolds obtained stronger differentiation tendency into erythroid cells. Consequently, 3D bioprinting technology could partially simulate the niche of human hematopoietic stem cells. The three models have their potential in stemness maintenance and multilineage differentiation. This study can provide initial effective guidance in the directed differentiation research and related screening of drug models for hematological diseases.
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Affiliation(s)
- Lidan Chen
- Centre of Maxillofacial Surgery and Digital Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, People's Republic of China
| | - Dezhi Zhou
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,East China Institute of Digital Medical Engineering, Shangrao 334000, People's Republic of China
| | - Xinda Li
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,East China Institute of Digital Medical Engineering, Shangrao 334000, People's Republic of China
| | - Bin Yang
- Centre of Maxillofacial Surgery and Digital Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, People's Republic of China
| | - Tao Xu
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Department of Precision Medicine and Healthcare, Tsinghua Berkeley Shenzhen Institute, Shenzhen 518055, People's Republic of China
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137
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Passaro D, Garcia-Albornoz M, Diana G, Chakravarty P, Ariza-McNaughton L, Batsivari A, Borràs-Eroles C, Abarrategi A, Waclawiczek A, Ombrato L, Malanchi I, Gribben J, Bonnet D. Integrated OMICs unveil the bone-marrow microenvironment in human leukemia. Cell Rep 2021; 35:109119. [PMID: 33979628 PMCID: PMC8131581 DOI: 10.1016/j.celrep.2021.109119] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/20/2021] [Accepted: 04/21/2021] [Indexed: 12/21/2022] Open
Abstract
The bone-marrow (BM) niche is the spatial environment composed by a network of multiple stromal components regulating adult hematopoiesis. We use multi-omics and computational tools to analyze multiple BM environmental compartments and decipher their mutual interactions in the context of acute myeloid leukemia (AML) xenografts. Under homeostatic conditions, we find a considerable overlap between niche populations identified using current markers. Our analysis defines eight functional clusters of genes informing on the cellular identity and function of the different subpopulations and pointing at specific stromal interrelationships. We describe how these transcriptomic profiles change during human AML development and, by using a proximity-based molecular approach, we identify early disease onset deregulated genes in the mesenchymal compartment. Finally, we analyze the BM proteomic secretome in the presence of AML and integrate it with the transcriptome to predict signaling nodes involved in niche alteration in AML.
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Affiliation(s)
- Diana Passaro
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
| | - Manuel Garcia-Albornoz
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Giovanni Diana
- Dynamic Neuronal Imaging Unit, Pasteur Institute, CNRS UMR, 3571 Paris, France
| | - Probir Chakravarty
- Bioinformatic Core Unit, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Linda Ariza-McNaughton
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Antoniana Batsivari
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Clara Borràs-Eroles
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ander Abarrategi
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Alexander Waclawiczek
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Luigi Ombrato
- Tumour-Host Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Ilaria Malanchi
- Tumour-Host Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - John Gribben
- Department of Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, UK
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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138
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Tikhonova AN, Lasry A, Austin R, Aifantis I. Cell-by-Cell Deconstruction of Stem Cell Niches. Cell Stem Cell 2021; 27:19-34. [PMID: 32619515 DOI: 10.1016/j.stem.2020.06.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Single-cell sequencing approaches offer exploration of tissue architecture at unprecedented resolution. These tools are especially powerful when deconvoluting highly specialized microenvironments, such as stem cell (SC) niches. Here, we review single-cell studies that map the cellular and transcriptional makeup of stem and progenitor niches and discuss how these high-resolution analyses fundamentally advance our understanding of how niche factors shape SC biology and activity. In-depth characterization of the blueprint of SC-niche crosstalk, as well as understanding how it becomes dysregulated, will undoubtedly inform the development of more efficient therapies for malignancies and other pathologies.
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Affiliation(s)
- Anastasia N Tikhonova
- Department of Pathology and Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY 10016, USA.
| | - Audrey Lasry
- Department of Pathology and Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY 10016, USA
| | - Rebecca Austin
- Department of Pathology and Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY 10016, USA
| | - Iannis Aifantis
- Department of Pathology and Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY 10016, USA.
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139
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Cancer immunoediting and immune dysregulation in multiple myeloma. Blood 2021; 136:2731-2740. [PMID: 32645135 DOI: 10.1182/blood.2020006540] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/27/2020] [Indexed: 12/15/2022] Open
Abstract
Avoiding immune destruction is a hallmark of cancer. Over the past few years, significant advances have been made in understanding immune dysfunction and immunosuppression in multiple myeloma (MM), and various immunotherapeutic approaches have delivered improved clinical responses. However, it is still challenging to completely eliminate malignant plasma cells (PCs) and achieve complete cure. The interplay between the immune system and malignant PCs is implicated throughout all stages of PC dyscrasias, including asymptomatic states called monoclonal gammopathy of undetermined significance and smoldering myeloma. Although the immune system effectively eliminates malignant PCs, or at least induces functional dormancy at early stages, malignant PCs eventually evade immune elimination, leading to progression to active MM, in which dysfunctional effector lymphocytes, tumor-educated immunosuppressive cells, and soluble mediators coordinately act as a barrier for antimyeloma immunity. An in-depth understanding of this dynamic process, called cancer immunoediting, will provide important insights into the immunopathology of PC dyscrasias and MM immunotherapy. Moreover, a growing body of evidence suggests that, together with nonhematopoietic stromal cells, bone marrow (BM) immune cells with unique functions support the survival of normal and malignant PCs in the BM niche, highlighting the diverse roles of immune cells beyond antimyeloma immunity. Together, the immune system critically acts as a rheostat that fine-tunes the balance between dormancy and disease progression in PC dyscrasias.
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140
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Bone marrow regeneration requires mitochondrial transfer from donor Cx43-expressing hematopoietic progenitors to stroma. Blood 2021; 136:2607-2619. [PMID: 32929449 DOI: 10.1182/blood.2020005399] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 08/24/2020] [Indexed: 02/06/2023] Open
Abstract
The fate of hematopoietic stem and progenitor cells (HSPC) is tightly regulated by their bone marrow (BM) microenvironment (ME). BM transplantation (BMT) frequently requires irradiation preconditioning to ablate endogenous hematopoietic cells. Whether the stromal ME is damaged and how it recovers after irradiation is unknown. We report that BM mesenchymal stromal cells (MSC) undergo massive damage to their mitochondrial function after irradiation. Donor healthy HSPC transfer functional mitochondria to the stromal ME, thus improving mitochondria activity in recipient MSC. Mitochondrial transfer to MSC is cell-contact dependent and mediated by HSPC connexin-43 (Cx43). Hematopoietic Cx43-deficient chimeric mice show reduced mitochondria transfer, which was rescued upon re-expression of Cx43 in HSPC or culture with isolated mitochondria from Cx43 deficient HSPCs. Increased intracellular adenosine triphosphate levels activate the purinergic receptor P2RX7 and lead to reduced activity of adenosine 5'-monophosphate-activated protein kinase (AMPK) in HSPC, dramatically increasing mitochondria transfer to BM MSC. Host stromal ME recovery and donor HSPC engraftment were augmented after mitochondria transfer. Deficiency of Cx43 delayed mesenchymal and osteogenic regeneration while in vivo AMPK inhibition increased stromal recovery. As a consequence, the hematopoietic compartment reconstitution was improved because of the recovery of the supportive stromal ME. Our findings demonstrate that healthy donor HSPC not only reconstitute the hematopoietic system after transplantation, but also support and induce the metabolic recovery of their irradiated, damaged ME via mitochondria transfer. Understanding the mechanisms regulating stromal recovery after myeloablative stress are of high clinical interest to optimize BMT procedures and underscore the importance of accessory, non-HSC to accelerate hematopoietic engraftment.
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141
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Barcia Durán JG, Lu T, Houghton S, Geng F, Schreiner R, Xiang J, Rafii S, Redmond D, Lis R. Endothelial Jak3 expression enhances pro-hematopoietic angiocrine function in mice. Commun Biol 2021; 4:406. [PMID: 33767339 PMCID: PMC7994450 DOI: 10.1038/s42003-021-01846-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 02/12/2021] [Indexed: 02/08/2023] Open
Abstract
Jak3 is the only non-promiscuous member of the Jak family of secondary messengers. Studies to date have focused on understanding and targeting the cell-autonomous role of Jak3 in immunity, while functional Jak3 expression outside the hematopoietic system remains largely unreported. We show that Jak3 is expressed in endothelial cells across hematopoietic and non-hematopoietic organs, with heightened expression in the bone marrow. The bone marrow niche is understood as a network of different cell types that regulate hematopoietic function. We show that the Jak3-/- bone marrow niche is deleterious for the maintenance of long-term repopulating hematopoietic stem cells (LT-HSCs) and that JAK3-overexpressing endothelial cells have increased potential to expand LT-HSCs in vitro. This work may serve to identify a novel function for a highly specific tyrosine kinase in the bone marrow vascular niche and to further characterize the LT-HSC function of sinusoidal endothelium.
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Affiliation(s)
- José Gabriel Barcia Durán
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Tyler Lu
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine and Infertility, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Sean Houghton
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Fuqiang Geng
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Ryan Schreiner
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
- Department of Ophthalmology, Margaret Dyson Vision Research Institute, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Jenny Xiang
- Genomics Resources Core Facility, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Shahin Rafii
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine and Infertility, Weill Cornell Medicine, New York, NY, 10065, USA
| | - David Redmond
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA.
| | - Raphaël Lis
- Ansary Stem Cell Institute, Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA.
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine and Infertility, Weill Cornell Medicine, New York, NY, 10065, USA.
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142
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Galipeau J, Krampera M, Leblanc K, Nolta JA, Phinney DG, Shi Y, Tarte K, Viswanathan S, Martin I. Mesenchymal stromal cell variables influencing clinical potency: the impact of viability, fitness, route of administration and host predisposition. Cytotherapy 2021; 23:368-372. [PMID: 33714704 DOI: 10.1016/j.jcyt.2020.11.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/14/2020] [Accepted: 11/18/2020] [Indexed: 02/06/2023]
Abstract
The International Society for Cell & Gene Therapy mesenchymal stromal cell (MSC) committee has been an interested observer of community interests in all matters related to MSC identity, mechanism of action, potency assessment and etymology, and it has regularly contributed to this conversation through a series of MSC pre-conferences and committee publications dealing with these matters. Arising from these reflections, the authors propose that an overlooked and potentially disruptive perspective is the impact of in vivo persistence on potency that is not predicted by surrogate cellular potency assays performed in vitro and how this translates to in vivo outcomes. Systemic delivery or extravascular implantation at sites removed from the affected organ system seems to be adequate in affecting clinical outcomes in many pre-clinical murine models of acute tissue injury and inflammatory pathology, including the recent European Medicines Agency-approved use of MSCs in Crohn-related fistular disease. The authors further propose that MSC viability and metabolic fitness likely dominate as a potency quality attribute, especially in recipients poised for salutary benefits as defined by emerging predictive biomarkers of response.
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Affiliation(s)
- Jacques Galipeau
- Department of Medicine, Carbone Cancer Center, University of Wisconsin, Madison, Wisconsin, USA.
| | - Mauro Krampera
- Department of Medicine, Section of Hematology, University of Verona, Verona, Italy
| | - Katarina Leblanc
- Department of Laboratory Medicine, Center for Allogeneic Stem Cell Transplantation, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Jan A Nolta
- Stem Cell Program, University of California Davis, Sacramento, California, USA
| | - Donald G Phinney
- Department of Molecular Therapeutics, Scripps Research Institute, Jupiter, Florida, USA
| | - Yufang Shi
- Institute for Translational Medicine, Soochow University, Suzhou, China
| | - Karin Tarte
- Établissement Français du Sang Bretagne, Institute for Health and Medical Research, University of Rennes, Rennes, France
| | - Sowmya Viswanathan
- Department of Medicine and Institute of Biomedical Engineering, Krembil Research Institute, University Health Network, University of Toronto, Toronto, Canada
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
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143
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Ayhan S, Nemutlu E, Uçkan Çetinkaya D, Kır S, Özgül RK. Characterization of human bone marrow niches with metabolome and transcriptome profiling. J Cell Sci 2021; 134:jcs.250720. [PMID: 33526717 DOI: 10.1242/jcs.250720] [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: 08/05/2020] [Accepted: 01/13/2021] [Indexed: 12/28/2022] Open
Abstract
Bone marrow (BM) niches are special microenvironments that work in harmony with each other for the regulation and maintenance of hematopoiesis. Niche investigations have thus far been limited to various model organisms and animal studies; therefore, little is known about different niches in healthy humans. In this study, a special harvesting method for the collection of BM from two different anatomical regions in the iliac crest of humans was used to investigate the presence of different niches in BM. Additionally, metabolomic and transcriptomic profiles were compiled using comparative 'omics' technologies, and the main cellular pathways and corresponding transcripts and metabolites were identified. As a result, we found that the energy metabolism between the regions was different. This study provides basic broad data for regenerative medicine in terms of the design of the appropriate microenvironment for in vitro hematopoietic niche modeling, and identifies the normal reference values that can be compared in hematological disease.
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Affiliation(s)
- Selda Ayhan
- Center for Stem Cell Research and Development/PEDI-STEM and Department of Stem Cell Sciences, Health Sciences Institute, Hacettepe University, Sıhhıye, Ankara 06100, Turkey.,Department of Pediatric Metabolism, Institute of Child Health, Hacettepe University, Sıhhıye, Ankara 06100, Turkey
| | - Emirhan Nemutlu
- Faculty of Pharmacy, Department of Analytical Chemistry, Hacettepe University, Sıhhıye, Ankara 06100, Turkey
| | - Duygu Uçkan Çetinkaya
- Center for Stem Cell Research and Development/PEDI-STEM and Department of Stem Cell Sciences, Health Sciences Institute, Hacettepe University, Sıhhıye, Ankara 06100, Turkey.,Department of Pediatrics, Division of Hematology, Hacettepe University, Sıhhıye, Ankara 06100, Turkey
| | - Sedef Kır
- Faculty of Pharmacy, Department of Analytical Chemistry, Hacettepe University, Sıhhıye, Ankara 06100, Turkey
| | - Rıza Köksal Özgül
- Department of Pediatric Metabolism, Institute of Child Health, Hacettepe University, Sıhhıye, Ankara 06100, Turkey
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144
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Pouikli A, Tessarz P. Metabolism and chromatin: A dynamic duo that regulates development and ageing: Elucidating the metabolism-chromatin axis in bone-marrow mesenchymal stem cell fate decisions. Bioessays 2021; 43:e2000273. [PMID: 33629755 DOI: 10.1002/bies.202000273] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/12/2022]
Abstract
Bone-marrow mesenchymal stem cell (BM-MSC) proliferation and lineage commitment are under the coordinated control of metabolism and epigenetics; the MSC niche contains low oxygen, which is an important determinant of the cellular metabolic state. In turn, metabolism drives stem cell fate decisions via alterations of the chromatin landscape. Due to the fundamental role of BM-MSCs in the development of adipose tissue, bones and cartilage, age-associated changes in metabolism and the epigenome perturb the balance between stem cell proliferation and differentiation leading to stem cell depletion, fat accumulation and bone-quality related diseases. Therefore, understanding the dynamics of the metabolism-chromatin interplay is crucial for maintaining the stem cell pool and delaying the development and progression of ageing. This review summarizes the current knowledge on the role of metabolism in stem cell identity and highlights the impact of the metabolic inputs on the epigenome, with regards to stemness and pluripotency.
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Affiliation(s)
- Andromachi Pouikli
- Max-Planck Research Group Chromatin and Ageing, Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Peter Tessarz
- Max-Planck Research Group Chromatin and Ageing, Max Planck Institute for Biology of Ageing, Cologne, Germany.,Cologne Excellence Cluster on Stress Responses in ageing-associated Diseases (CECAD), Cologne, Germany
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145
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146
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Trinh T, Broxmeyer HE. Role for Leptin and Leptin Receptors in Stem Cells During Health and Diseases. Stem Cell Rev Rep 2021; 17:511-522. [PMID: 33598894 PMCID: PMC7889057 DOI: 10.1007/s12015-021-10132-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2021] [Indexed: 12/14/2022]
Abstract
Hematopoietic stem cells (HSCs) give rise to all blood and immune cells in the body. These rare cells reside in the hypoxic niche of the bone marrow (BM) where they are subjected to a complex network of regulatory factors including cellular and molecular components. To sustain hematopoiesis over the lifetime of an individual, HSCs maintain distinctive metabolic programs, and in recent years nutritional factors have been increasingly recognized as critical regulators of HSC numbers and functions. Leptin (LEP), a neuroendocrine messenger, and its receptor (LEPR) are well-known for their immunomodulatory and energy balancing effects; yet, how LEP/LEPR signaling plays a role in hematopoiesis is under-appreciated. In this review, we summarize and highlight recent work that demonstrated involvement of LEP/LEPR in hematopoiesis under steady state or stress-associated situations as well as in pathological conditions such as cardiovascular diseases and malignancies. Although the field is only in its infancy, these studies suggest evidence of potential clinical applications and proof-of-principle for more in-depth future research.
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Affiliation(s)
- Thao Trinh
- Departments of Microbiology/Immunology, Indiana University School of Medicine, 950 West Walnut Street, Bldg. R2, Room 302, Indianapolis, IN, 46202-5121, USA
| | - Hal E Broxmeyer
- Departments of Microbiology/Immunology, Indiana University School of Medicine, 950 West Walnut Street, Bldg. R2, Room 302, Indianapolis, IN, 46202-5121, USA.
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147
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Shao L, Elujoba-Bridenstine A, Zink KE, Sanchez LM, Cox BJ, Pollok KE, Sinn AL, Bailey BJ, Sims EC, Cooper SH, Broxmeyer HE, Pajcini KV, Tamplin OJ. The neurotransmitter receptor Gabbr1 regulates proliferation and function of hematopoietic stem and progenitor cells. Blood 2021; 137:775-787. [PMID: 32881992 PMCID: PMC7885825 DOI: 10.1182/blood.2019004415] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 08/16/2020] [Indexed: 02/07/2023] Open
Abstract
Hematopoietic and nervous systems are linked via innervation of bone marrow (BM) niche cells. Hematopoietic stem/progenitor cells (HSPCs) express neurotransmitter receptors, such as the γ-aminobutyric acid (GABA) type B receptor subunit 1 (GABBR1), suggesting that HSPCs could be directly regulated by neurotransmitters like GABA that directly bind to GABBR1. We performed imaging mass spectrometry and found that the endogenous GABA molecule is regionally localized and concentrated near the endosteum of the BM niche. To better understand the role of GABBR1 in regulating HSPCs, we generated a constitutive Gabbr1-knockout mouse model. Analysis revealed that HSPC numbers were significantly reduced in the BM compared with wild-type littermates. Moreover, Gabbr1-null hematopoietic stem cells had diminished capacity to reconstitute irradiated recipients in a competitive transplantation model. Gabbr1-null HSPCs were less proliferative under steady-state conditions and upon stress. Colony-forming unit assays demonstrated that almost all Gabbr1-null HSPCs were in a slow or noncycling state. In vitro differentiation of Gabbr1-null HSPCs in cocultures produced fewer overall cell numbers with significant defects in differentiation and expansion of the B-cell lineage. To determine whether a GABBR1 agonist could stimulate human umbilical cord blood (UCB) HSPCs, we performed brief ex vivo treatment prior to transplant into immunodeficient mice, with significant increases in long-term engraftment of HSPCs compared with GABBR1 antagonist or vehicle treatments. Our results indicate a direct role for GABBR1 in HSPC proliferation, and identify a potential target to improve HSPC engraftment in clinical transplantation.
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Affiliation(s)
- Lijian Shao
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL
- Department of Occupational Health and Toxicology, School of Public Health, Nanchang University, Nanchang, People's Republic of China
| | - Adedamola Elujoba-Bridenstine
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI
| | - Katherine E Zink
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL
| | - Laura M Sanchez
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL
| | - Brian J Cox
- Department of Physiology and
- Department of Obstetrics and Gynaecology, University of Toronto, Toronto, ON, Canada; and
| | - Karen E Pollok
- Department of Pharmacology and Toxicology
- Department of Pediatrics
- Melvin and Bren Simon Cancer Center, and
| | | | | | | | - Scott H Cooper
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, IN
| | - Hal E Broxmeyer
- Melvin and Bren Simon Cancer Center, and
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, IN
| | | | - Owen J Tamplin
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI
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148
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Abstract
Obesity and obesity-related diseases like type 2 diabetes (T2D) are prominent global health issues; therefore, there is a need to better understand the mechanisms underlying these conditions. The onset of obesity is characterized by accumulation of proinflammatory cells, including Ly6chi monocytes (which differentiate into proinflammatory macrophages) and neutrophils, in metabolic tissues. This shift toward chronic, low-grade inflammation is an obese-state hallmark and highly linked to metabolic disorders and other obesity comorbidities. The mechanisms that induce and maintain increased inflammatory myelopoiesis are of great interest, with a recent focus on how obesity affects more primitive hematopoietic cells. The hematopoietic system is constantly replenished by proper regulation of hematopoietic stem and progenitor (HSPC) pools in the BM. While early research suggests that chronic obesity promotes expansion of myeloid-skewed HSPCs, the involvement of the hematopoietic stem cell (HSC) niche in regulating obesity-induced myelopoiesis remains undefined. In this review, we explore the role of the multicellular HSC niche in hematopoiesis and inflammation, and the potential contribution of this niche to the hematopoietic response to obesity. This review further aims to summarize the potential HSC niche involvement as a target of obesity-induced inflammation and a driver of obesity-induced myelopoiesis.
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149
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Mansoorifar A, Gordon R, Bergan R, Bertassoni LE. Bone-on-a-chip: microfluidic technologies and microphysiologic models of bone tissue. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2006796. [PMID: 35422682 PMCID: PMC9007546 DOI: 10.1002/adfm.202006796] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Indexed: 05/07/2023]
Abstract
Bone is an active organ that continuously undergoes an orchestrated process of remodeling throughout life. Bone tissue is uniquely capable of adapting to loading, hormonal, and other changes happening in the body, as well as repairing bone that becomes damaged to maintain tissue integrity. On the other hand, diseases such as osteoporosis and metastatic cancers disrupt normal bone homeostasis leading to compromised function. Historically, our ability to investigate processes related to either physiologic or diseased bone tissue has been limited by traditional models that fail to emulate the complexity of native bone. Organ-on-a-chip models are based on technological advances in tissue engineering and microfluidics, enabling the reproduction of key features specific to tissue microenvironments within a microfabricated device. Compared to conventional in-vitro and in-vivo bone models, microfluidic models, and especially organs-on-a-chip platforms, provide more biomimetic tissue culture conditions, with increased predictive power for clinical assays. In this review, we will report microfluidic and organ-on-a-chip technologies designed for understanding the biology of bone as well as bone-related diseases and treatments. Finally, we discuss the limitations of the current models and point toward future directions for microfluidics and organ-on-a-chip technologies in bone research.
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Affiliation(s)
- Amin Mansoorifar
- Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, USA
| | - Ryan Gordon
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Raymond Bergan
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Luiz E. Bertassoni
- Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, USA
- Center for Regenerative Medicine, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- Department of Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- Cancer Early Detection Advanced Research Center (CEDAR), Knight Cancer Institute, Portland, OR, USA
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150
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Zhang J, Wu Q, Johnson CB, Pham G, Kinder JM, Olsson A, Slaughter A, May M, Weinhaus B, D'Alessandro A, Engel JD, Jiang JX, Kofron JM, Huang LF, Prasath VBS, Way SS, Salomonis N, Grimes HL, Lucas D. In situ mapping identifies distinct vascular niches for myelopoiesis. Nature 2021; 590:457-462. [PMID: 33568812 PMCID: PMC8020897 DOI: 10.1038/s41586-021-03201-2] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023]
Abstract
In contrast to nearly all other tissues, the anatomy of cell differentiation in the bone marrow remains unknown. This is owing to a lack of strategies for examining myelopoiesis-the differentiation of myeloid progenitors into a large variety of innate immune cells-in situ in the bone marrow. Such strategies are required to understand differentiation and lineage-commitment decisions, and to define how spatial organizing cues inform tissue function. Here we develop approaches for imaging myelopoiesis in mice, and generate atlases showing the differentiation of granulocytes, monocytes and dendritic cells. The generation of granulocytes and dendritic cells-monocytes localizes to different blood-vessel structures known as sinusoids, and displays lineage-specific spatial and clonal architectures. Acute systemic infection with Listeria monocytogenes induces lineage-specific progenitor clusters to undergo increased self-renewal of progenitors, but the different lineages remain spatially separated. Monocyte-dendritic cell progenitors (MDPs) map with nonclassical monocytes and conventional dendritic cells; these localize to a subset of blood vessels expressing a major regulator of myelopoiesis, colony-stimulating factor 1 (CSF1, also known as M-CSF)1. Specific deletion of Csf1 in endothelium disrupts the architecture around MDPs and their localization to sinusoids. Subsequently, there are fewer MDPs and their ability to differentiate is reduced, leading to a loss of nonclassical monocytes and dendritic cells during both homeostasis and infection. These data indicate that local cues produced by distinct blood vessels are responsible for the spatial organization of definitive blood cell differentiation.
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Affiliation(s)
- Jizhou Zhang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
| | - Qingqing Wu
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
| | - Courtney B Johnson
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
| | - Giang Pham
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Jeremy M Kinder
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Andre Olsson
- Division of Immunobiology and Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Anastasiya Slaughter
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
- Immunology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Margot May
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
| | - Benjamin Weinhaus
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
- Immunology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, CO, USA
| | - James Douglas Engel
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jean X Jiang
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - J Matthew Kofron
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - L Frank Huang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Brain Tumor Center, Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
| | - V B Surya Prasath
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Sing Sing Way
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Nathan Salomonis
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - H Leighton Grimes
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA
- Division of Immunobiology and Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Daniel Lucas
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Medical Center, Cincinnati, OH, USA.
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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