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Doherty-Boyd WS, Donnelly H, Tsimbouri MP, Dalby MJ. Building bones for blood and beyond: the growing field of bone marrow niche model development. Exp Hematol 2024; 135:104232. [PMID: 38729553 DOI: 10.1016/j.exphem.2024.104232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/12/2024]
Abstract
The bone marrow (BM) niche is a complex microenvironment that provides the signals required for regulation of hematopoietic stem cells (HSCs) and the process of hematopoiesis they are responsible for. Bioengineered models of the BM niche incorporate various elements of the in vivo BM microenvironment, including cellular components, soluble factors, a three-dimensional environment, mechanical stimulation of included cells, and perfusion. Recent advances in the bioengineering field have resulted in a spate of new models that shed light on BM function and are approaching precise imitation of the BM niche. These models promise to improve our understanding of the in vivo microenvironment in health and disease. They also aim to serve as platforms for HSC manipulation or as preclinical models for screening novel therapies for BM-associated disorders and diseases.
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Affiliation(s)
- W Sebastian Doherty-Boyd
- The Centre for the Cellular Microenvironment (CeMi), University of Glasgow, Glasgow, United Kingdom.
| | - Hannah Donnelly
- School of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Monica P Tsimbouri
- The Centre for the Cellular Microenvironment (CeMi), University of Glasgow, Glasgow, United Kingdom
| | - Matthew J Dalby
- The Centre for the Cellular Microenvironment (CeMi), University of Glasgow, Glasgow, United Kingdom
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2
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Wu T, Pelus LM, Plett PA, Sampson CH, Chua HL, Fisher A, Feng H, Liu L, Li H, Ortiz M, Chittajallu S, Luo Q, Bhatwadekar AD, Meyer TB, Zhang X, Zhou D, Fischer KD, McKinzie DL, Miller SJ, Orschell CM. Further Characterization of Multi-Organ DEARE and Protection by 16,16 Dimethyl Prostaglandin E2 in a Mouse Model of the Hematopoietic Acute Radiation Syndrome. Radiat Res 2023; 199:468-489. [PMID: 37014943 PMCID: PMC10278147 DOI: 10.1667/rade-22-00208.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/15/2023] [Indexed: 04/06/2023]
Abstract
Survivors of acute radiation exposure suffer from the delayed effects of acute radiation exposure (DEARE), a chronic condition affecting multiple organs, including lung, kidney, heart, gastrointestinal tract, eyes, and brain, and often causing cancer. While effective medical countermeasures (MCM) for the hematopoietic-acute radiation syndrome (H-ARS) have been identified and approved by the FDA, development of MCM for DEARE has not yet been successful. We previously documented residual bone marrow damage (RBMD) and progressive renal and cardiovascular DEARE in murine survivors of H-ARS, and significant survival efficacy of 16,16-dimethyl prostaglandin E2 (dmPGE2) given as a radioprotectant or radiomitigator for H-ARS. We now describe additional DEARE (physiological and neural function, progressive fur graying, ocular inflammation, and malignancy) developing after sub-threshold doses in our H-ARS model, and detailed analysis of the effects of dmPGE2 administered before (PGE-pre) or after (PGE-post) lethal total-body irradiation (TBI) on these DEARE. Administration of PGE-pre normalized the twofold reduction of white blood cells (WBC) and lymphocytes seen in vehicle-treated survivors (Veh), and increased the number of bone marrow (BM) cells, splenocytes, thymocytes, and phenotypically defined hematopoietic progenitor cells (HPC) and hematopoietic stem cells (HSC) to levels equivalent to those in non-irradiated age-matched controls. PGE-pre significantly protected HPC colony formation ex vivo by >twofold, long term-HSC in vivo engraftment potential up to ninefold, and significantly blunted TBI-induced myeloid skewing. Secondary transplantation documented continued production of LT-HSC with normal lineage differentiation. PGE-pre reduced development of DEARE cardiovascular pathologies and renal damage; prevented coronary artery rarefication, blunted progressive loss of coronary artery endothelia, reduced inflammation and coronary early senescence, and blunted radiation-induced increase in blood urea nitrogen (BUN). Ocular monocytes were significantly lower in PGE-pre mice, as was TBI-induced fur graying. Increased body weight and decreased frailty in male mice, and reduced incidence of thymic lymphoma were documented in PGE-pre mice. In assays measuring behavioral and cognitive functions, PGE-pre reduced anxiety in females, significantly blunted shock flinch response, and increased exploratory behavior in males. No effect of TBI was observed on memory in any group. PGE-post, despite significantly increasing 30-day survival in H-ARS and WBC and hematopoietic recovery, was not effective in reducing TBI-induced RBMD or any other DEARE. In summary, dmPGE2 administered as an H-ARS MCM before lethal TBI significantly increased 30-day survival and ameliorated RBMD and multi-organ and cognitive/behavioral DEARE to at least 12 months after TBI, whereas given after TBI, dmPGE2 enhances survival from H-ARS but has little impact on RBMD or other DEARE.
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Affiliation(s)
- Tong Wu
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Louis M. Pelus
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - P. Artur Plett
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Carol H. Sampson
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Hui Lin Chua
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Alexa Fisher
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Hailin Feng
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Liqiong Liu
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Hongge Li
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Miguel Ortiz
- Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Supriya Chittajallu
- Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Qianyi Luo
- Department of Ophthalmology, and Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Ashay D. Bhatwadekar
- Department of Ophthalmology, and Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Timothy B. Meyer
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Xin Zhang
- Department of Pharmacodynamics, University of Florida, Gainesville, Florida 32611
| | - Daohong Zhou
- Department of Pharmacodynamics, University of Florida, Gainesville, Florida 32611
| | - Kathryn D. Fischer
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - David L. McKinzie
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Steven J. Miller
- Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Christie M. Orschell
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202
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Pfau LC, Glasow A, Seidel C, Patties I. Imidazolyl Ethanamide Pentandioic Acid (IEPA) as Potential Radical Scavenger during Tumor Therapy in Human Hematopoietic Stem Cells. Molecules 2023; 28:molecules28052008. [PMID: 36903253 PMCID: PMC10004037 DOI: 10.3390/molecules28052008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Radiochemotherapy-associated leuco- or thrombocytopenia is a common complication, e.g., in head and neck cancer (HNSCC) and glioblastoma (GBM) patients, often compromising treatments and outcomes. Currently, no sufficient prophylaxis for hematological toxicities is available. The antiviral compound imidazolyl ethanamide pentandioic acid (IEPA) has been shown to induce maturation and differentiation of hematopoietic stem and progenitor cells (HSPCs), resulting in reduced chemotherapy-associated cytopenia. In order for it to be a potential prophylaxis for radiochemotherapy-related hematologic toxicity in cancer patients, the tumor-protective effects of IEPA should be precluded. In this study, we investigated the combinatorial effects of IEPA with radio- and/or chemotherapy in human HNSCC and GBM tumor cell lines and HSPCs. Treatment with IEPA was followed by irradiation (IR) or chemotherapy (ChT; cisplatin, CIS; lomustine, CCNU; temozolomide, TMZ). Metabolic activity, apoptosis, proliferation, reactive oxygen species (ROS) induction, long-term survival, differentiation capacity, cytokine release, and DNA double-strand breaks (DSBs) were measured. In tumor cells, IEPA dose-dependently diminished IR-induced ROS induction but did not affect the IR-induced changes in metabolic activity, proliferation, apoptosis, or cytokine release. In addition, IEPA showed no protective effect on the long-term survival of tumor cells after radio- or chemotherapy. In HSPCs, IEPA alone slightly enhanced CFU-GEMM and CFU-GM colony counts (2/2 donors). The IR- or ChT-induced decline of early progenitors could not be reversed by IEPA. Our data indicate that IEPA is a potential candidate for the prevention of hematologic toxicity in cancer treatment without affecting therapeutic benefits.
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Skelding KA, Barry DL, Theron DZ, Lincz LF. Bone Marrow Microenvironment as a Source of New Drug Targets for the Treatment of Acute Myeloid Leukaemia. Int J Mol Sci 2022; 24:563. [PMID: 36614005 PMCID: PMC9820412 DOI: 10.3390/ijms24010563] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/05/2022] [Accepted: 12/22/2022] [Indexed: 12/30/2022] Open
Abstract
Acute myeloid leukaemia (AML) is a heterogeneous disease with one of the worst survival rates of all cancers. The bone marrow microenvironment is increasingly being recognised as an important mediator of AML chemoresistance and relapse, supporting leukaemia stem cell survival through interactions among stromal, haematopoietic progenitor and leukaemic cells. Traditional therapies targeting leukaemic cells have failed to improve long term survival rates, and as such, the bone marrow niche has become a promising new source of potential therapeutic targets, particularly for relapsed and refractory AML. This review briefly discusses the role of the bone marrow microenvironment in AML development and progression, and as a source of novel therapeutic targets for AML. The main focus of this review is on drugs that modulate/target this bone marrow microenvironment and have been examined in in vivo models or clinically.
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Affiliation(s)
- Kathryn A. Skelding
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, NSW 2308, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Daniel L. Barry
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, NSW 2308, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Danielle Z. Theron
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, NSW 2308, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Lisa F. Lincz
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
- Hunter Hematology Research Group, Calvary Mater Newcastle Hospital, Waratah, NSW 2298, Australia
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5
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Sánchez‐Lanzas R, Kalampalika F, Ganuza M. Diversity in the bone marrow niche: Classic and novel strategies to uncover niche composition. Br J Haematol 2022; 199:647-664. [PMID: 35837798 PMCID: PMC9796334 DOI: 10.1111/bjh.18355] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/20/2022] [Accepted: 06/30/2022] [Indexed: 01/01/2023]
Abstract
Our view on the role and composition of the bone marrow (BM) has dramatically changed over time from a simple nutrient for the bone to a highly complex multicellular tissue that sustains haematopoiesis. Among these cells, multipotent haematopoietic stem cells (HSCs), which are predominantly quiescent, possess unique self-renewal capacity and multilineage differentiation potential and replenish all blood lineages to maintain lifelong haematopoiesis. Adult HSCs reside in specialised BM niches, which support their functions. Much effort has been put into deciphering HSC niches due to their potential clinical relevance. Multiple cell types have been implicated as HSC-niche components including sinusoidal endothelium, perivascular stromal cells, macrophages, megakaryocytes, osteoblasts and sympathetic nerves. In this review we provide a historical perspective on how technical advances, from genetic mouse models to imaging and high-throughput sequencing techniques, are unveiling the plethora of molecular cues and cellular components that shape the niche and regulate HSC functions.
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Affiliation(s)
- Raúl Sánchez‐Lanzas
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
| | - Foteini Kalampalika
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
| | - Miguel Ganuza
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
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6
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Babu LK, Ghosh D. Looking at Mountains: Role of Sustained Hypoxia in Regulating Bone Mineral Homeostasis in Relation to Wnt Pathway and Estrogen. Clin Rev Bone Miner Metab 2022. [DOI: 10.1007/s12018-022-09283-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Magliulo D, Bernardi R. Hypoxic stress and hypoxia-inducible factors in leukemias. Front Oncol 2022; 12:973978. [PMID: 36059690 PMCID: PMC9435438 DOI: 10.3389/fonc.2022.973978] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022] Open
Abstract
To cope with hypoxic stress, ancient organisms have developed evolutionally conserved programs centered on hypoxia-inducible transcriptional factors (HIFs). HIFs and their regulatory proteins have evolved as rheostats to adapt cellular metabolism to atmospheric oxygen fluctuations, but the amplitude of their transcriptional programs has tremendously increased along evolution to include a wide spectrum of physiological and pathological processes. The bone marrow represents a notable example of an organ that is physiologically exposed to low oxygen levels and where basal activation of hypoxia signaling appears to be intrinsically wired within normal and neoplastic hematopoietic cells. HIF-mediated responses are mainly piloted by the oxygen-labile α subunits HIF1α and HIF2α, and current literature suggests that these genes have a functional specification that remains to be fully defined. Since their identification in the mid 90s, HIF factors have been extensively studied in solid tumors, while their implication in leukemia has lagged behind. In the last decades however, many laboratories have addressed the function of hypoxia signaling in leukemia and obtained somewhat contradictory results. Suppression of HIFs expression in different types of leukemia has unveiled common leukemia-promoting functions such as stimulation of bone marrow neoangiogenesis, maintenance of leukemia stem cells and chemoresistance. However, genetic studies are revealing that a definition of HIF factors as bona fide tumor promoters is overly simplistic, and, depending on the leukemia subtype, the specific oncogenic event, or the stage of leukemia development, activation of hypoxia-inducible genes may lead to opposite consequences. With this article we will provide an updated summary of the studies describing the regulation and function of HIF1α and HIF2α in blood malignancies, spanning from acute to chronic, lymphoid to myeloid leukemias. In discussing these data, we will attempt to provide plausible explanations to contradictory findings and point at what we believe are areas of weakness in which further investigations are urgently needed. Gaining additional knowledge into the role of hypoxia signaling in leukemia appears especially timely nowadays, as new inhibitors of HIF factors are entering the clinical arena for specific types of solid tumors but their utility for patients with leukemia is yet to be determined.
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Affiliation(s)
| | - Rosa Bernardi
- Laboratory of Preclinical Models of Cancer, Division of Experimental Oncology, San Raffaele Scientific Institute, Milan, Italy
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8
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Wang J, Wang J. Neutrophils, functions beyond host defense. Cell Immunol 2022; 379:104579. [PMID: 35901576 DOI: 10.1016/j.cellimm.2022.104579] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/06/2022] [Accepted: 07/17/2022] [Indexed: 11/30/2022]
Abstract
Neutrophils are the most abundant, ephemeral cell type in human blood. As the first line of defense in the host immune system, neutrophils mature in the bone marrow after undergoing multiple stages of development and then are released into the peripheral blood and conduct a surveillance function. Recent advances in cutting-edge techniques such as single-cell sequencing have uncovered the complexity and plasticity of neutrophils under homeostatic and inflammatory conditions. The exploration of neutrophil heterogeneity and function under disease and homeostasis settings has revealed many unexpected roles of neutrophils beyond a phagocyte. Furthermore, neutrophils are known to actively communicate with innate and adaptive immunocytes via direct or indirect interactions, allowing the modulation of various immune cells. In this review, we will discuss the versatile identities of neutrophils that have been discovered in recent decades, as well as the interplay between neutrophils and other cells.
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Affiliation(s)
- Jin Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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9
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Kandarakov O, Belyavsky A, Semenova E. Bone Marrow Niches of Hematopoietic Stem and Progenitor Cells. Int J Mol Sci 2022; 23:ijms23084462. [PMID: 35457280 PMCID: PMC9032554 DOI: 10.3390/ijms23084462] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/15/2022] Open
Abstract
The mammalian hematopoietic system is remarkably efficient in meeting an organism’s vital needs, yet is highly sensitive and exquisitely regulated. Much of the organismal control over hematopoiesis comes from the regulation of hematopoietic stem cells (HSCs) by specific microenvironments called niches in bone marrow (BM), where HSCs reside. The experimental studies of the last two decades using the most sophisticated and advanced techniques have provided important data on the identity of the niche cells controlling HSCs functions and some mechanisms underlying niche-HSC interactions. In this review we discuss various aspects of organization and functioning of the HSC cell niche in bone marrow. In particular, we review the anatomy of BM niches, various cell types composing the niche, niches for more differentiated cells, metabolism of HSCs in relation to the niche, niche aging, leukemic transformation of the niche, and the current state of HSC niche modeling in vitro.
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10
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Mayer IM, Hoelbl-Kovacic A, Sexl V, Doma E. Isolation, Maintenance and Expansion of Adult Hematopoietic Stem/Progenitor Cells and Leukemic Stem Cells. Cancers (Basel) 2022; 14:1723. [PMID: 35406494 PMCID: PMC8996967 DOI: 10.3390/cancers14071723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 12/12/2022] Open
Abstract
Hematopoietic stem cells (HSCs) are rare, self-renewing cells that perch on top of the hematopoietic tree. The HSCs ensure the constant supply of mature blood cells in a tightly regulated process producing peripheral blood cells. Intense efforts are ongoing to optimize HSC engraftment as therapeutic strategy to treat patients suffering from hematopoietic diseases. Preclinical research paves the way by developing methods to maintain, manipulate and expand HSCs ex vivo to understand their regulation and molecular make-up. The generation of a sufficient number of transplantable HSCs is the Holy Grail for clinical therapy. Leukemia stem cells (LSCs) are characterized by their acquired stem cell characteristics and are responsible for disease initiation, progression, and relapse. We summarize efforts, that have been undertaken to increase the number of long-term (LT)-HSCs and to prevent differentiation towards committed progenitors in ex vivo culture. We provide an overview and compare methods currently available to isolate, maintain and enrich HSC subsets, progenitors and LSCs and discuss their individual advantages and drawbacks.
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Affiliation(s)
| | | | - Veronika Sexl
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (I.M.M.); (A.H.-K.); (E.D.)
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In Vitro Models of Bone Marrow Remodelling and Immune Dysfunction in Space: Present State and Future Directions. Biomedicines 2022; 10:biomedicines10040766. [PMID: 35453515 PMCID: PMC9031916 DOI: 10.3390/biomedicines10040766] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/22/2022] [Accepted: 03/22/2022] [Indexed: 12/12/2022] Open
Abstract
Spaceflight affects the body on every level. Reports on astronaut health identify bone marrow remodelling and dysfunction of the innate immune system as significant health risks of long-term habitation in space. Microgravity-induced alterations of the bone marrow induce physical changes to the bone marrow stem cell niche. Downstream effects on innate immunity are expected due to impaired hematopoiesis and myelopoiesis. To date, few studies have investigated these effects in real microgravity and the sparsely available literature often reports contrasting results. This emphasizes a need for the development of physiologically relevant in vitro models of the bone marrow stem cell niche, capable of delivering appropriate sample sizes for robust statistics. Here, we review recent findings on the impact of spaceflight conditions on innate immunity in in vitro and animal models and discusses the latest in vitro models of the bone marrow stem cell niche and their potential translatability to gravitational biology research.
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12
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Oncostatin M regulates hematopoietic stem cell (HSC) niches in the bone marrow to restrict HSC mobilization. Leukemia 2022; 36:333-347. [PMID: 34518644 DOI: 10.1038/s41375-021-01413-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 08/23/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023]
Abstract
We show that pro-inflammatory oncostatin M (OSM) is an important regulator of hematopoietic stem cell (HSC) niches in the bone marrow (BM). Treatment of healthy humans and mice with granulocyte colony-stimulating factor (G-CSF) dramatically increases OSM release in blood and BM. Using mice null for the OSM receptor (OSMR) gene, we demonstrate that OSM provides a negative feed-back acting as a brake on HSPC mobilization in response to clinically relevant mobilizing molecules G-CSF and CXCR4 antagonist. Likewise, injection of a recombinant OSM molecular trap made of OSMR complex extracellular domains enhances HSC mobilization in poor mobilizing C57BL/6 and NOD.Cg-PrkdcscidIl2rgtm1Wjl/SzJ mice. Mechanistically, OSM attenuates HSC chemotactic response to CXCL12 and increases HSC homing to the BM signaling indirectly via BM endothelial and mesenchymal cells which are the only cells expressing OSMR in the BM. OSM up-regulates E-selectin expression on BM endothelial cells indirectly increasing HSC proliferation. RNA sequencing of HSCs from Osmr-/- and wild-type mice suggest that HSCs have altered cytoskeleton reorganization, energy usage and cycling in the absence of OSM signaling in niches. Therefore OSM is an important regulator of HSC niche function restraining HSC mobilization and anti-OSM therapy combined with current mobilizing regimens may improve HSPC mobilization for transplantation.
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13
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Dausinas Ni P, Basile C, Junge C, Hartman M, O’Leary HA. Hypoxia and Hematopoiesis. CURRENT STEM CELL REPORTS 2022. [DOI: 10.1007/s40778-021-00203-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Li M, Zhou L, Sun X, Yang Y, Zhang C, Wang T, Fu F. Dopamine, a co-regulatory component, bridges the central nervous system and the immune system. Biomed Pharmacother 2021; 145:112458. [PMID: 34847478 DOI: 10.1016/j.biopha.2021.112458] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/14/2021] [Accepted: 11/19/2021] [Indexed: 12/15/2022] Open
Abstract
Dopamine (DA) is a crucial neurotransmitter that plays an important role in maintaining physiological function in human body. In the past, most studies focused on the relationship between the dopaminergic system and neurological-related diseases. However, it has been found recently that DA is an immunomodulatory mediator and many immune cells express dopamine receptors (DRs). Some immune cells can synthesize and secrete DA and then participate in regulating immune function. DRs agonists or antagonists can improve the dysfunction of immune system through classical G protein signaling pathways or other non-receptor-dependent pathways. This article will discuss the relationship between the dopaminergic system and the immune system. It will also review the use of DRs agonists or antagonists to treat chronic and acute inflammatory diseases and corresponding immunomodulatory mechanisms.
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Affiliation(s)
- Mingan Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China
| | - Lin Zhou
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China
| | - Xiaohui Sun
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China
| | - Yunqi Yang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China
| | - Ce Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China
| | - Tian Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China.
| | - Fenghua Fu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, PR China.
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15
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Loss of Atg2b and Gskip impairs the maintenance of the hematopoietic stem cell pool size. Mol Cell Biol 2021; 42:e0002421. [PMID: 34748402 PMCID: PMC8773083 DOI: 10.1128/mcb.00024-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
A germ line copy number duplication of chromosome 14q32, which contains ATG2B and GSKIP, was identified in families with myeloproliferative neoplasm (MPN). Here, we show that mice lacking both Atg2b and Gskip, but not either alone, exhibited decreased hematopoiesis, resulting in death in utero accompanied by anemia. In marked contrast to MPN patients with duplication of ATG2B and GSKIP, the number of hematopoietic stem cells (HSCs), in particular long-term HSCs, in double-knockout fetal livers was significantly decreased due to increased cell death. Although the remaining HSCs still had the ability to differentiate into hematopoietic progenitor cells, the differentiation efficiency was quite low. Remarkably, mice with knockout of Atg2b or Gskip alone did not show any hematopoietic abnormality. Mechanistically, while loss of both genes had no effect on autophagy, it increased the expression of genes encoding enzymes involved in oxidative phosphorylation. Taken together, our results indicate that Atg2b and Gskip play a synergistic effect in maintaining the pool size of HSCs.
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16
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Smith-Berdan S, Bercasio A, Kramer L, Petkus B, Hinck L, Forsberg EC. Acute and endothelial-specific Robo4 deletion affect hematopoietic stem cell trafficking independent of VCAM1. PLoS One 2021; 16:e0255606. [PMID: 34388149 PMCID: PMC8362960 DOI: 10.1371/journal.pone.0255606] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 07/20/2021] [Indexed: 11/18/2022] Open
Abstract
Hematopoietic stem cell (HSC) trafficking is regulated by a number of complex mechanisms. Among them are the transmembrane protein Robo4 and the vascular cell adhesion molecule, VCAM1. Endothelial VCAM1 is a well-known regulator of hematopoietic cell trafficking, and our previous studies revealed that germline deletion of Robo4 led to impaired HSC trafficking, with an increase in vascular endothelial cell (VEC) numbers and downregulation of VCAM1 protein on sinusoidal VECs. Here, we utilized two Robo4 conditional deletion models in parallel with Robo4 germline knockout mice (R4KO) to evaluate the effects of acute and endothelial cell-specific Robo4 deletion on HSC trafficking. Strikingly similar to the R4KO, the acute deletion of Robo4 resulted in altered HSC distribution between the bone marrow and blood compartments, despite normal numbers of VECs and wild-type levels of VCAM1 cell surface protein on sinusoidal VECs. Additionally, consistent with the R4KO mice, acute loss of Robo4 in the host perturbed long-term engraftment of donor wild-type HSCs and improved HSC mobilization to the peripheral blood. These data demonstrate the significant role that endothelial Robo4 plays in directional HSC trafficking, independent of alterations in VEC numbers and VCAM1 expression.
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Affiliation(s)
- Stephanie Smith-Berdan
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
- Department of Biomolecular Engineering, University of California-Santa Cruz, Santa Cruz, CA, United States of America
| | - Alyssa Bercasio
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
| | - Leah Kramer
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
| | - Bryan Petkus
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
| | - Lindsay Hinck
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
- Department of Molecular, Cell and Developmental Biology, University of California-Santa Cruz, Santa Cruz, CA, United States of America
| | - E. Camilla Forsberg
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA, United States of America
- Department of Biomolecular Engineering, University of California-Santa Cruz, Santa Cruz, CA, United States of America
- * E-mail:
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17
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Lévesque JP, Summers KM, Millard SM, Bisht K, Winkler IG, Pettit AR. Role of macrophages and phagocytes in orchestrating normal and pathologic hematopoietic niches. Exp Hematol 2021; 100:12-31.e1. [PMID: 34298116 DOI: 10.1016/j.exphem.2021.07.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/02/2021] [Accepted: 07/06/2021] [Indexed: 12/13/2022]
Abstract
The bone marrow (BM) contains a mosaic of niches specialized in supporting different maturity stages of hematopoietic stem and progenitor cells such as hematopoietic stem cells and myeloid, lymphoid, and erythroid progenitors. Recent advances in BM imaging and conditional gene knockout mice have revealed that niches are a complex network of cells of mesenchymal, endothelial, neuronal, and hematopoietic origins, together with local physicochemical parameters. Within these complex structures, phagocytes, such as neutrophils, macrophages, and dendritic cells, all of which are of hematopoietic origin, have been found to be important in regulating several niches in the BM, including hematopoietic stem cell niches, erythropoietic niches, and niches involved in endosteal bone formation. There is also increasing evidence that these macrophages have an important role in adapting hematopoiesis, erythropoiesis, and bone formation in response to inflammatory stressors and play a key part in maintaining the integrity and function of these. Likewise, there is also accumulating evidence that subsets of monocytes, macrophages, and other phagocytes contribute to the progression and response to treatment of several lymphoid malignancies such as multiple myeloma, Hodgkin lymphoma, and non-Hodgkin lymphoma, as well as lymphoblastic leukemia, and may also play a role in myelodysplastic syndrome and myeloproliferative neoplasms associated with Noonan syndrome and aplastic anemia. In this review, the potential functions of macrophages and other phagocytes in normal and pathologic niches are discussed, as are the challenges in studying BM and other tissue-resident macrophages at the molecular level.
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Affiliation(s)
- Jean-Pierre Lévesque
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia.
| | - Kim M Summers
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia
| | - Susan M Millard
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia
| | - Kavita Bisht
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia
| | - Ingrid G Winkler
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia
| | - Allison R Pettit
- Mater Research Institute, University of Queensland, Woolloongabba, QLD, Australia
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18
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Chen R, Zhang X, Gu L, Zhu H, Zhong Y, Ye Y, Xiong X, Jian Z. New Insight Into Neutrophils: A Potential Therapeutic Target for Cerebral Ischemia. Front Immunol 2021; 12:692061. [PMID: 34335600 PMCID: PMC8317226 DOI: 10.3389/fimmu.2021.692061] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/16/2021] [Indexed: 12/25/2022] Open
Abstract
Ischemic stroke is one of the main issues threatening human health worldwide, and it is also the main cause of permanent disability in adults. Energy consumption and hypoxia after ischemic stroke leads to the death of nerve cells, activate resident glial cells, and promote the infiltration of peripheral immune cells into the brain, resulting in various immune-mediated effects and even contradictory effects. Immune cell infiltration can mediate neuronal apoptosis and aggravate ischemic injury, but it can also promote neuronal repair, differentiation and regeneration. The central nervous system (CNS), which is one of the most important immune privileged parts of the human body, is separated from the peripheral immune system by the blood-brain barrier (BBB). Under physiological conditions, the infiltration of peripheral immune cells into the CNS is controlled by the BBB and regulated by the interaction between immune cells and vascular endothelial cells. As the immune response plays a key role in regulating the development of ischemic injury, neutrophils have been proven to be involved in many inflammatory diseases, especially acute ischemic stroke (AIS). However, neutrophils may play a dual role in the CNS. Neutrophils are the first group of immune cells to enter the brain from the periphery after ischemic stroke, and their exact role in cerebral ischemia remains to be further explored. Elucidating the characteristics of immune cells and their role in the regulation of the inflammatory response may lead to the identification of new potential therapeutic strategies. Thus, this review will specifically discuss the role of neutrophils in ischemic stroke from production to functional differentiation, emphasizing promising targeted interventions, which may promote the development of ischemic stroke treatments in the future.
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Affiliation(s)
- Ran Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xu Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hua Zhu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yi Zhong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yingze Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
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19
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Bruno S, Mancini M, De Santis S, Monaldi C, Cavo M, Soverini S. The Role of Hypoxic Bone Marrow Microenvironment in Acute Myeloid Leukemia and Future Therapeutic Opportunities. Int J Mol Sci 2021; 22:ijms22136857. [PMID: 34202238 PMCID: PMC8269413 DOI: 10.3390/ijms22136857] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/18/2021] [Accepted: 06/22/2021] [Indexed: 12/28/2022] Open
Abstract
Acute myeloid leukemia (AML) is a hematologic malignancy caused by a wide range of alterations responsible for a high grade of heterogeneity among patients. Several studies have demonstrated that the hypoxic bone marrow microenvironment (BMM) plays a crucial role in AML pathogenesis and therapy response. This review article summarizes the current literature regarding the effects of the dynamic crosstalk between leukemic stem cells (LSCs) and hypoxic BMM. The interaction between LSCs and hypoxic BMM regulates fundamental cell fate decisions, including survival, self-renewal, and proliferation capacity as a consequence of genetic, transcriptional, and metabolic adaptation of LSCs mediated by hypoxia-inducible factors (HIFs). HIF-1α and some of their targets have been associated with poor prognosis in AML. It has been demonstrated that the hypoxic BMM creates a protective niche that mediates resistance to therapy. Therefore, we also highlight how hypoxia hallmarks might be targeted in the future to hit the leukemic population to improve AML patient outcomes.
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MESH Headings
- Animals
- Bone Marrow/metabolism
- Bone Marrow/pathology
- Cell Line, Tumor
- Cellular Reprogramming
- Disease Management
- Disease Susceptibility
- Energy Metabolism
- Epigenesis, Genetic
- Gene Expression Regulation, Leukemic
- Humans
- Hypoxia/metabolism
- Hypoxia-Inducible Factor 1/metabolism
- Leukemia, Myeloid, Acute/etiology
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Leukemia, Myeloid, Acute/therapy
- Molecular Targeted Therapy
- Neoplastic Stem Cells/metabolism
- Signal Transduction
- Tumor Microenvironment
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Affiliation(s)
- Samantha Bruno
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40138 Bologna, Italy; (S.B.); (S.D.S.); (C.M.); (M.C.)
| | - Manuela Mancini
- Istituto di Ematologia “Seràgnoli”, IRCCS Azienda Ospedaliero, Universitaria di Bologna, 40138 Bologna, Italy;
| | - Sara De Santis
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40138 Bologna, Italy; (S.B.); (S.D.S.); (C.M.); (M.C.)
| | - Cecilia Monaldi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40138 Bologna, Italy; (S.B.); (S.D.S.); (C.M.); (M.C.)
| | - Michele Cavo
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40138 Bologna, Italy; (S.B.); (S.D.S.); (C.M.); (M.C.)
- Istituto di Ematologia “Seràgnoli”, IRCCS Azienda Ospedaliero, Universitaria di Bologna, 40138 Bologna, Italy;
| | - Simona Soverini
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40138 Bologna, Italy; (S.B.); (S.D.S.); (C.M.); (M.C.)
- Correspondence:
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20
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Bonaud A, Lemos JP, Espéli M, Balabanian K. Hematopoietic Multipotent Progenitors and Plasma Cells: Neighbors or Roommates in the Mouse Bone Marrow Ecosystem? Front Immunol 2021; 12:658535. [PMID: 33936091 PMCID: PMC8083056 DOI: 10.3389/fimmu.2021.658535] [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: 01/25/2021] [Accepted: 03/25/2021] [Indexed: 11/25/2022] Open
Abstract
The bone marrow is a complex ecosystem in which hematopoietic and non-hematopoietic cells reside. In this review, we discuss the bone marrow niches in mice that facilitate the survival, maintenance, and differentiation of cells of hematopoietic origin based on the recent literature. Our review places a special focus on the hematopoietic multipotent progenitors and on plasma cells, corresponding to the last stage of the B-cell lineage, that play a key role in the humoral memory response. We highlight the similarities between the microenvironments necessary for the establishment and the maintenance of these two immune cell subsets, and how the chemokine CXCL12/CXCR4 signaling axis contributes to these processes. Finally, we bring elements to address the following question: are multipotent progenitors and plasma cells neighbors or roommates within the bone marrow?
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Affiliation(s)
- Amélie Bonaud
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Julia P Lemos
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Marion Espéli
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Karl Balabanian
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
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21
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Korbecki J, Kojder K, Kapczuk P, Kupnicka P, Gawrońska-Szklarz B, Gutowska I, Chlubek D, Baranowska-Bosiacka I. The Effect of Hypoxia on the Expression of CXC Chemokines and CXC Chemokine Receptors-A Review of Literature. Int J Mol Sci 2021; 22:ijms22020843. [PMID: 33467722 PMCID: PMC7830156 DOI: 10.3390/ijms22020843] [Citation(s) in RCA: 119] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/26/2022] Open
Abstract
Hypoxia is an integral component of the tumor microenvironment. Either as chronic or cycling hypoxia, it exerts a similar effect on cancer processes by activating hypoxia-inducible factor-1 (HIF-1) and nuclear factor (NF-κB), with cycling hypoxia showing a stronger proinflammatory influence. One of the systems affected by hypoxia is the CXC chemokine system. This paper reviews all available information on hypoxia-induced changes in the expression of all CXC chemokines (CXCL1, CXCL2, CXCL3, CXCL4, CXCL5, CXCL6, CXCL7, CXCL8 (IL-8), CXCL9, CXCL10, CXCL11, CXCL12 (SDF-1), CXCL13, CXCL14, CXCL15, CXCL16, CXCL17) as well as CXC chemokine receptors—CXCR1, CXCR2, CXCR3, CXCR4, CXCR5, CXCR6, CXCR7 and CXCR8. First, we present basic information on the effect of these chemoattractant cytokines on cancer processes. We then discuss the effect of hypoxia-induced changes on CXC chemokine expression on the angiogenesis, lymphangiogenesis and recruitment of various cells to the tumor niche, including myeloid-derived suppressor cells (MDSCs), tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), regulatory T cells (Tregs) and tumor-infiltrating lymphocytes (TILs). Finally, the review summarizes data on the use of drugs targeting the CXC chemokine system in cancer therapies.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland; (J.K.); (P.K.); (P.K.); (D.C.)
| | - Klaudyna Kojder
- Department of Anaesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1, 71-281 Szczecin, Poland;
| | - Patrycja Kapczuk
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland; (J.K.); (P.K.); (P.K.); (D.C.)
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland; (J.K.); (P.K.); (P.K.); (D.C.)
| | - Barbara Gawrońska-Szklarz
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland;
| | - Izabela Gutowska
- Department of Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Av., 70-111 Szczecin, Poland;
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland; (J.K.); (P.K.); (P.K.); (D.C.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 Av., 70-111 Szczecin, Poland; (J.K.); (P.K.); (P.K.); (D.C.)
- Correspondence: ; Tel.: +48-914661515
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22
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Kaur S, Sehgal A, Wu AC, Millard SM, Batoon L, Sandrock CJ, Ferrari-Cestari M, Levesque JP, Hume DA, Raggatt LJ, Pettit AR. Stable colony-stimulating factor 1 fusion protein treatment increases hematopoietic stem cell pool and enhances their mobilisation in mice. J Hematol Oncol 2021; 14:3. [PMID: 33402221 PMCID: PMC7786999 DOI: 10.1186/s13045-020-00997-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Abstract
Background Prior chemotherapy and/or underlying morbidity commonly leads to poor mobilisation of hematopoietic stem cells (HSC) for transplantation in cancer patients. Increasing the number of available HSC prior to mobilisation is a potential strategy to overcome this deficiency. Resident bone marrow (BM) macrophages are essential for maintenance of niches that support HSC and enable engraftment in transplant recipients. Here we examined potential of donor treatment with modified recombinant colony-stimulating factor 1 (CSF1) to influence the HSC niche and expand the HSC pool for autologous transplantation. Methods We administered an acute treatment regimen of CSF1 Fc fusion protein (CSF1-Fc, daily injection for 4 consecutive days) to naive C57Bl/6 mice. Treatment impacts on macrophage and HSC number, HSC function and overall hematopoiesis were assessed at both the predicted peak drug action and during post-treatment recovery. A serial treatment strategy using CSF1-Fc followed by granulocyte colony-stimulating factor (G-CSF) was used to interrogate HSC mobilisation impacts. Outcomes were assessed by in situ imaging and ex vivo standard and imaging flow cytometry with functional validation by colony formation and competitive transplantation assay. Results CSF1-Fc treatment caused a transient expansion of monocyte-macrophage cells within BM and spleen at the expense of BM B lymphopoiesis and hematopoietic stem and progenitor cell (HSPC) homeostasis. During the recovery phase after cessation of CSF1-Fc treatment, normalisation of hematopoiesis was accompanied by an increase in the total available HSPC pool. Multiple approaches confirmed that CD48−CD150+ HSC do not express the CSF1 receptor, ruling out direct action of CSF1-Fc on these cells. In the spleen, increased HSC was associated with expression of the BM HSC niche macrophage marker CD169 in red pulp macrophages, suggesting elevated spleen engraftment with CD48−CD150+ HSC was secondary to CSF1-Fc macrophage impacts. Competitive transplant assays demonstrated that pre-treatment of donors with CSF1-Fc increased the number and reconstitution potential of HSPC in blood following a HSC mobilising regimen of G-CSF treatment. Conclusion These results indicate that CSF1-Fc conditioning could represent a therapeutic strategy to overcome poor HSC mobilisation and subsequently improve HSC transplantation outcomes.
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Affiliation(s)
- Simranpreet Kaur
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Anuj Sehgal
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Andy C Wu
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Susan M Millard
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Lena Batoon
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Cheyenne J Sandrock
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Michelle Ferrari-Cestari
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Jean-Pierre Levesque
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - David A Hume
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Liza J Raggatt
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia
| | - Allison R Pettit
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, 4102, Australia.
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23
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Cao Y, Buckels EJ, Matthews BG. Markers for Identification of Postnatal Skeletal Stem Cells In Vivo. Curr Osteoporos Rep 2020; 18:655-665. [PMID: 33034805 DOI: 10.1007/s11914-020-00622-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/29/2020] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW The adult skeleton contains stem cells involved in growth, homeostasis, and healing. Mesenchymal or skeletal stem cells are proposed to provide precursors to osteoblasts, chondrocytes, marrow adipocytes, and stromal cells. We review the evidence for existence and functionality of different skeletal stem cell pools, and the tools available for identifying or targeting these populations in mouse and human tissues. RECENT FINDINGS Lineage tracing and single cell-based techniques in mouse models indicate that multiple pools of stem cells exist in postnatal bone. These include growth plate stem cells, stem and progenitor cells in the diaphysis, reticular cells that only form bone in response to injury, and injury-responsive periosteal stem cells. New staining protocols have also been described for prospective isolation of human skeletal stem cells. Several populations of postnatal skeletal stem and progenitor cells have been identified in mice, and we have an increasing array of tools to target these cells. Most Cre models lack a high degree of specificity to define single populations. Human studies are less advanced and require further efforts to refine methods for identifying stem and progenitor cells in adult bone.
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Affiliation(s)
- Ye Cao
- Department of Molecular Medicine and Pathology, University of Auckland, Private Bag 92-019, Auckland, 1142, New Zealand
| | - Emma J Buckels
- Department of Molecular Medicine and Pathology, University of Auckland, Private Bag 92-019, Auckland, 1142, New Zealand
| | - Brya G Matthews
- Department of Molecular Medicine and Pathology, University of Auckland, Private Bag 92-019, Auckland, 1142, New Zealand.
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24
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Abstract
The skeleton is highly vascularized due to the various roles blood vessels play in the homeostasis of bone and marrow. For example, blood vessels provide nutrients, remove metabolic by-products, deliver systemic hormones, and circulate precursor cells to bone and marrow. In addition to these roles, bone blood vessels participate in a variety of other functions. This article provides an overview of the afferent, exchange and efferent vessels in bone and marrow and presents the morphological layout of these blood vessels regarding blood flow dynamics. In addition, this article discusses how bone blood vessels participate in bone development, maintenance, and repair. Further, mechanical loading-induced bone adaptation is presented regarding interstitial fluid flow and pressure, as regulated by the vascular system. The role of the sympathetic nervous system is discussed in relation to blood vessels and bone. Finally, vascular participation in bone accrual with intermittent parathyroid hormone administration, a medication prescribed to combat age-related bone loss, is described and age- and disease-related impairments in blood vessels are discussed in relation to bone and marrow dysfunction. © 2020 American Physiological Society. Compr Physiol 10:1009-1046, 2020.
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Affiliation(s)
- Rhonda D Prisby
- Bone Vascular and Microcirculation Laboratory, Department of Kinesiology, University of Texas at Arlington, Arlington, Texas, USA
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25
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Rytelewski M, Harutyunyan K, Baran N, Mallampati S, Zal MA, Cavazos A, Butler JM, Konoplev S, El Khatib M, Plunkett S, Marszalek JR, Andreeff M, Zal T, Konopleva M. Inhibition of Oxidative Phosphorylation Reverses Bone Marrow Hypoxia Visualized in Imageable Syngeneic B-ALL Mouse Model. Front Oncol 2020; 10:991. [PMID: 32695673 PMCID: PMC7339962 DOI: 10.3389/fonc.2020.00991] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
Abnormally low level of interstitial oxygen, or hypoxia, is a hallmark of tumor microenvironment and a known promoter of cancer chemoresistance. Inside a solid tumor mass, the hypoxia stems largely from inadequate supply of oxygenated blood through sparse or misshapen tumor vasculature whilst oxygen utilization rates are low in typical tumor's glycolytic metabolism. In acute leukemias, however, markers of intracellular hypoxia such as increased pimonidazole adduct staining and HIF-1α stabilization are observed in advanced leukemic bone marrows (BM) despite an increase in BM vasculogenesis. We utilized intravital fast scanning two-photon phosphorescence lifetime imaging microscopy (FaST-PLIM) in a BCR-ABL B-ALL mouse model to image the extracellular oxygen concentrations (pO2) in leukemic BM, and we related the extracellular oxygen levels to intracellular hypoxia, vascular markers and local leukemia burden. We observed a transient increase in BM pO2 in initial disease stages with intermediate leukemia BM burden, which correlated with an expansion of blood-carrying vascular network in the BM. Yet, we also observed increased formation of intracellular pimonidazole adducts in leukemic BM at the same time. This intermediate stage was followed by a significant decrease of extracellular pO2 and further increase of intracellular hypoxia as leukemia cellularity overwhelmed BM in disease end-stage. Remarkably, treatment of leukemic mice with IACS-010759, a pharmacological inhibitor of mitochondrial Complex I, substantially increased pO2 in the BM with advanced B-ALL, and it alleviated intracellular hypoxia reported by pimonidazole staining. High rates of oxygen consumption by B-ALL cells were confirmed by Seahorse assay including in ex vivo cells. Our results suggest that B-ALL expansion in BM is associated with intense oxidative phosphorylation (OxPhos) leading to the onset of metabolic BM hypoxia despite increased BM vascularization. Targeting mitochondrial respiration may be a novel approach to counteract BM hypoxia in B-ALL and, possibly, tumor hypoxia in other OxPhos-reliant malignancies.
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Affiliation(s)
- Mateusz Rytelewski
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Karine Harutyunyan
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Natalia Baran
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Saradhi Mallampati
- Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - M Anna Zal
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Antonio Cavazos
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jason M Butler
- Weill Cornell Medicine, Medical School of Biological Sciences, Center for Discovery and Innovation, Hackensack University Medical Center, Nutley, NJ, United States
| | - Sergej Konoplev
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Mirna El Khatib
- Department of Biochemistry and Biophysics, The University of Pennsylvania, Philadelphia, PA, United States
| | - Shane Plunkett
- Department of Biochemistry and Biophysics, The University of Pennsylvania, Philadelphia, PA, United States
| | - Joseph R Marszalek
- TRACTION, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Michael Andreeff
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Tomasz Zal
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Marina Konopleva
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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26
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Ferrer A, Roser CT, El-Far MH, Savanur VH, Eljarrah A, Gergues M, Kra JA, Etchegaray JP, Rameshwar P. Hypoxia-mediated changes in bone marrow microenvironment in breast cancer dormancy. Cancer Lett 2020; 488:9-17. [PMID: 32479768 DOI: 10.1016/j.canlet.2020.05.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 05/13/2020] [Accepted: 05/22/2020] [Indexed: 12/12/2022]
Abstract
Breast cancer (BC) remains a clinical challenge despite improved treatments and public awareness to ensure early diagnosis. A major issue is the ability of BC cells (BCCs) to survive as dormant cancer cells in the bone marrow (BM), resulting in the cancer surviving for decades with the potential to resurge as metastatic cancer. The experimental evidence indicates similarity between dormant BCCs and other stem cells, resulting in the preponderance of data to show dormant BCCs being cancer stem cells (CSCs). The BM niche and their secretome support BCC dormancy. Lacking in the literature is a comprehensive research to describe how the hypoxic environment within the BM may influence the behavior of BCCs. This information is relevant to understand the prognosis of BC in young and aged individuals whose oxygen levels differ in BM. This review discusses the changing information on vascularity in different regions of the BM and the impact on endogenous hematopoietic stem cells (HSCs). This review highlights the necessary information to provide insights on vascularity of different BM regions on the behavior of BCCs, in particular a dormant phase. For instance, how the transcription factor HIF1-α (hypoxia-inducible factor 1 alpha), functioning as first responder under hypoxic conditions, affects the expression of specific gene networks involved in energy metabolism, cell survival, tumor invasion and angiogenesis. This enables cell fate transition and facilitates tumor heterogeneity, which in turn favors tumor progression and resistance to anticancer treatments Thus, HIF1-α could be a potential target for cancer treatment. This review describes epigenetic mechanisms involved in hypoxic responses during cancer dormancy in the bone marrow. The varied hypoxic environment in the BM is relevant to understand the complex process of the aging bone marrow for insights on breast cancer outcome between the young and aged.
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Affiliation(s)
- Alejandra Ferrer
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA; Rutgers School of Graduate Studies at New Jersey Medical School, Newark, NJ, 07103, USA
| | - Christopher T Roser
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA
| | - Markos H El-Far
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA; Rutgers School of Graduate Studies at New Jersey Medical School, Newark, NJ, 07103, USA
| | - Vibha Harindra Savanur
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA; Rutgers School of Graduate Studies at New Jersey Medical School, Newark, NJ, 07103, USA
| | - Adam Eljarrah
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA
| | - Marina Gergues
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA; Rutgers School of Graduate Studies at New Jersey Medical School, Newark, NJ, 07103, USA
| | - Joshua A Kra
- Rutgers Cancer Institute of New Jersey at University Hospital, Newark, NJ, 07103, USA
| | | | - Pranela Rameshwar
- Rutgers New Jersey Medical School, Department of Medicine, Newark, NJ, 07103, USA.
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27
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Gergues M, Nagula V, Bliss SA, Eljarrah A, Ayer S, Gnanavel N, Sinha G, Wu Q, Yehia G, Greco SJ, Qian J, Rameshwar P. Neuroimmune/Hematopoietic Axis with Distinct Regulation by the High-Mobility Group Box 1 in Association with Tachykinin Peptides. THE JOURNAL OF IMMUNOLOGY 2020; 204:879-891. [PMID: 31924647 DOI: 10.4049/jimmunol.1900582] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 12/13/2019] [Indexed: 01/16/2023]
Abstract
Hematopoiesis is tightly regulated by the bone marrow (BM) niche. The niche is robust, allowing for the return of hematopoietic homeostasis after insults such as infection. Hematopoiesis is partly regulated by soluble factors, such as neuropeptides, substance P (SP), and neurokinin A (NK-A), which mediate hematopoietic stimulation and inhibition, respectively. SP and NK-A are derived from the Tac1 gene that is alternately spliced into four variants. The hematopoietic effects of SP and NK-A are mostly mediated via BM stroma. Array analyses with 2400 genes indicated distinct changes in SP-stimulated BM stroma. Computational analyses indicated networks of genes with hematopoietic regulation. Included among these networks is the high-mobility group box 1 gene (HMGB1), a nonhistone chromatin-associated protein. Validation studies indicated that NK-A could reverse SP-mediated HMGB1 decrease. Long-term culture-initiating cell assay, with or without NK-A receptor antagonist (NK2), showed a suppressive effect of HMGB1 on hematopoietic progenitors and increase in long-term culture-initiating cell assay cells (primitive hematopoietic cells). These effects occurred partly through NK-A. NSG mice with human hematopoietic system injected with the HMGB1 antagonist glycyrrhizin verified the in vitro effects of HMGB1. Although the effects on myeloid lineage were suppressed, the results suggested a more complex effect on the lymphoid lineage. Clonogenic assay for CFU- granulocyte-monocyte suggested that HMGB1 may be required to prevent hematopoietic stem cell exhaustion to ensure immune homeostasis. In summary, this study showed how HMGB1 is linked to SP and NK-A to protect the most primitive hematopoietic cell and also to maintain immune/hematopoietic homeostasis.
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Affiliation(s)
- Marina Gergues
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Vipul Nagula
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Sarah A Bliss
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Adam Eljarrah
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Seda Ayer
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Nikhil Gnanavel
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Garima Sinha
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Qunfeng Wu
- Department of Pathology, Immunology, and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103; and
| | - Ghassan Yehia
- Genome Editing Shared Resource, Office of Research and Economic Development, Rutgers University, New Brunswick, New Jersey 08901
| | - Steven J Greco
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Jing Qian
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Pranela Rameshwar
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103; .,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
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28
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Rabe JL, Hernandez G, Chavez JS, Mills TS, Nerlov C, Pietras EM. CD34 and EPCR coordinately enrich functional murine hematopoietic stem cells under normal and inflammatory conditions. Exp Hematol 2019; 81:1-15.e6. [PMID: 31863798 DOI: 10.1016/j.exphem.2019.12.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/03/2019] [Accepted: 12/15/2019] [Indexed: 02/06/2023]
Abstract
Hematopoiesis is dynamically regulated to maintain blood system function under nonhomeostatic conditions such as inflammation and injury. However, common surface marker and hematopoietic stem cell (HSC) reporter systems used for prospective enrichment of HSCs have been less rigorously tested in these contexts. Here, we use two surface markers, EPCR/CD201 and CD34, to re-analyze dynamic changes in the HSC-enriched phenotypic SLAM compartment in a mouse model of chronic interleukin (IL)-1 exposure. EPCR and CD34 coordinately identify four functionally and molecularly distinct compartments within the SLAM fraction, including an EPCR+/CD34- fraction whose long-term serial repopulating activity is only modestly impacted by chronic IL-1 exposure, relative to unfractionated SLAM cells. Notably, the other three fractions expand in frequency following IL-1 treatment and represent actively proliferating, lineage-primed cell states with limited long-term repopulating potential. Importantly, we find that the Fgd5-ZSGreen HSC reporter mouse enriches for molecularly and functionally intact HSCs regardless of IL-1 exposure. Together, our findings provide further evidence of dynamic heterogeneity within a commonly used HSC-enriched phenotypic compartment under stress conditions. Importantly, they also indicate that stringency of prospective isolation approaches can enhance interpretation of findings related to HSC function when studying models of hematopoietic stress.
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Affiliation(s)
- Jennifer L Rabe
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Giovanny Hernandez
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - James S Chavez
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Taylor S Mills
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Claus Nerlov
- MRC Molecular Hematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Eric M Pietras
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA; Department of Immunology & Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
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29
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Emmons R, Ngu M, Xu G, Hernández-Saavedra D, Chen H, DE Lisio M. Effects of Obesity and Exercise on Bone Marrow Progenitor Cells after Radiation. Med Sci Sports Exerc 2019; 51:1126-1136. [PMID: 30640286 DOI: 10.1249/mss.0000000000001894] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
INTRODUCTION The late effects of radiation therapy can have significant consequences for the health and quality of life of long-term cancer survivors. Radiation induces persistent alterations in hematopoietic stem and progenitor cells (HSPC) and the bone marrow environment; however, how relevant host factors such as obesity and exercise differentially regulate HSPC content and the bone marrow environment after radiation exposure remains unknown. The purpose of this investigation was to evaluate how the combination of obesity and exercise training modulates HSPC and their niche after sublethal radiation exposure in mice. METHODS Mice fed either a control or a high-fat diet to induce obesity remained sedentary or underwent a progressive treadmill exercise program. At 13 wk of age, mice were irradiated (3 Gy) and continued their specific diets and exercise program for four more weeks. RESULTS Exercise-trained mice had significantly higher quantities of several HSPC subpopulations and bone marrow stromal cell populations, whereas HSPC subpopulations were significantly lower in obese mice after radiation. Reactive oxygen species content was significantly decreased in HSPC with exercise training. Proteomics analysis of bone marrow supernatant revealed clustering of biologically relevant changes in exercise-trained mice. Functional evaluation of bone marrow supernatant revealed a significant increase in leukemia blast viability in obese mice but not in the exercise-trained mice (P < 0.05). CONCLUSION Together, these data suggest that exercise training partially restores the negative effects of obesity on HSPC and their niche after radiation exposure. As such, exercise training should be considered to mitigate the late effects of radiation therapy on the hematopoietic system for cancer survivors with or without obesity who have undergone radiation therapy.
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Affiliation(s)
- Russell Emmons
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL
| | - Matthew Ngu
- School of Human Kinetics, University of Ottawa, Ottawa, ON, CANADA
| | - Guanying Xu
- Department of Food Sciences and Human Nutrition, University of Illinois at Urbana-Champaign, Champaign, IL
| | | | - Hong Chen
- Department of Food Sciences and Human Nutrition, University of Illinois at Urbana-Champaign, Champaign, IL.,Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Champaign, IL
| | - Michael DE Lisio
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL.,School of Human Kinetics, University of Ottawa, Ottawa, ON, CANADA.,Regenerative Medicine Program, Centre on Neuromuscular Disease, and Brain and Mind Institute, University of Ottawa, Ottawa, ON, CANADA
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30
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Leimkühler NB, Schneider RK. Inflammatory bone marrow microenvironment. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2019; 2019:294-302. [PMID: 31808897 PMCID: PMC6913454 DOI: 10.1182/hematology.2019000045] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Self-renewing hematopoietic stem cells and their progeny, lineage-specific downstream progenitors, maintain steady-state hematopoiesis in the bone marrow (BM). Accumulating evidence over the last few years indicates that not only primitive hematopoietic stem and progenitor cells (HSPCs), but also cells defining the microenvironment of the BM (BM niche), sense hematopoietic stress signals. They respond by directing and orchestrating hematopoiesis via not only cell-intrinsic but also cell-extrinsic mechanisms. Inflammation has many beneficial roles by activating the immune system in tissue repair and as a defense mechanism. However, chronic inflammation can have detrimental effects by stressing HSPCs, leading to cell (DNA) damage resulting in BM failure or even to leukemia. Emerging data have demonstrated that the BM microenvironment plays a significant role in the pathogenesis of hematopoietic malignancies, in particular, through disrupted inflammatory signaling, specifically in niche (microenvironmental) cells. Clonal selection in the context of microenvironmental alterations can occur in the context of toxic insults (eg, chemotherapy), not only aging but also inflammation. In this review, we summarize mechanisms that lead to an inflammatory BM microenvironment and discuss how this affects normal hematopoiesis. We pay particular attention to the process of aging, which is known to involve low-grade inflammation and is also associated with age-related clonal hematopoiesis and potentially malignant transformation.
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Affiliation(s)
- Nils B Leimkühler
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Rebekka K Schneider
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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31
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Zhang P, Zhang C, Li J, Han J, Liu X, Yang H. The physical microenvironment of hematopoietic stem cells and its emerging roles in engineering applications. Stem Cell Res Ther 2019; 10:327. [PMID: 31744536 PMCID: PMC6862744 DOI: 10.1186/s13287-019-1422-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 08/22/2019] [Accepted: 09/23/2019] [Indexed: 12/18/2022] Open
Abstract
Stem cells are considered the fundamental underpinnings of tissue biology. The stem cell microenvironment provides factors and elements that play significant roles in controlling the cell fate direction. The bone marrow is an important environment for functional hematopoietic stem cells in adults. Remarkable progress has been achieved in the area of hematopoietic stem cell fate modulation based on the recognition of biochemical factors provided by bone marrow niches. In this review, we focus on emerging evidence that hematopoietic stem cell fate is altered in response to a variety of microenvironmental physical cues, such as geometric properties, matrix stiffness, and mechanical forces. Based on knowledge of these biophysical cues, recent developments in harnessing hematopoietic stem cell niches ex vivo are also discussed. A comprehensive understanding of cell microenvironments helps provide mechanistic insights into pathophysiological mechanisms and underlies biomaterial-based hematopoietic stem cell engineering.
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Affiliation(s)
- Pan Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Chen Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Jing Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Jiyang Han
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Xiru Liu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China.
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, People's Republic of China.
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32
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Nguyen DC, Joyner CJ, Sanz I, Lee FEH. Factors Affecting Early Antibody Secreting Cell Maturation Into Long-Lived Plasma Cells. Front Immunol 2019; 10:2138. [PMID: 31572364 PMCID: PMC6749102 DOI: 10.3389/fimmu.2019.02138] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
Antibody secreting cells (ASCs) are terminally differentiated cells of the humoral immune response and must adapt morphologically, transcriptionally, and metabolically to maintain high-rates of antibody (Ab) secretion. ASCs differentiate from activated B cells in lymph nodes and transiently circulate in the blood. Most of the circulating ASCs undergo apoptosis, but a small fraction of early ASCs migrate to the bone marrow (BM) and eventually mature into long-lived plasma cells (LLPCs). LLPC survival is controlled both intrinsically and extrinsically. Their differentiation and maintenance programs are governed by many intrinsic mechanisms involving anti-apoptosis, autophagy, and metabolism. The extrinsic factors involved in LLPC generation include BM stromal cells, cytokines, and chemokines, such as APRIL, IL-6, and CXCL12. In humans, the BM CD19−CD38hiCD138+ ASC subset is the main repository of LLPCs, and our recent development of an in vitro BM mimic provides essential tools to study environmental cues that support LLPC survival and the critical molecular mechanisms of maturation from early minted blood ASCs to LLPCs. In this review, we summarize the evidence of LLPC generation and maintenance and provide novel paradigms of LLPC maturation.
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Affiliation(s)
- Doan C Nguyen
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States
| | - Chester J Joyner
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Iñaki Sanz
- Division of Rheumatology, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
| | - F Eun-Hyung Lee
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
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33
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Ozaki K, Yamada T, Horie T, Ishizaki A, Hiraiwa M, Iezaki T, Park G, Fukasawa K, Kamada H, Tokumura K, Motono M, Kaneda K, Ogawa K, Ochi H, Sato S, Kobayashi Y, Shi YB, Taylor PM, Hinoi E. The L-type amino acid transporter LAT1 inhibits osteoclastogenesis and maintains bone homeostasis through the mTORC1 pathway. Sci Signal 2019; 12:12/589/eaaw3921. [PMID: 31289211 DOI: 10.1126/scisignal.aaw3921] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
L-type amino acid transporter 1 (LAT1), which is encoded by solute carrier transporter 7a5 (Slc7a5), plays a crucial role in amino acid sensing and signaling in specific cell types, contributing to the pathogenesis of cancer and neurological disorders. Amino acid substrates of LAT1 have a beneficial effect on bone health directly and indirectly, suggesting a potential role for LAT1 in bone homeostasis. Here, we identified LAT1 in osteoclasts as important for bone homeostasis. Slc7a5 expression was substantially reduced in osteoclasts in a mouse model of ovariectomy-induced osteoporosis. The osteoclast-specific deletion of Slc7a5 in mice led to osteoclast activation and bone loss in vivo, and Slc7a5 deficiency increased osteoclastogenesis in vitro. Loss of Slc7a5 impaired activation of the mechanistic target of rapamycin complex 1 (mTORC1) pathway in osteoclasts, whereas genetic activation of mTORC1 corrected the enhanced osteoclastogenesis and bone loss in Slc7a5-deficient mice. Last, Slc7a5 deficiency increased the expression of nuclear factor of activated T cells, cytoplasmic 1 (Nfatc1) and the nuclear accumulation of NFATc1, a master regulator of osteoclast function, possibly through the canonical nuclear factor κB pathway and the Akt-glycogen synthase kinase 3β signaling axis, respectively. These findings suggest that the LAT1-mTORC1 axis plays a pivotal role in bone resorption and bone homeostasis by modulating NFATc1 in osteoclasts, thereby providing a molecular connection between amino acid intake and skeletal integrity.
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Affiliation(s)
- Kakeru Ozaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Takanori Yamada
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Tetsuhiro Horie
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Atsushi Ishizaki
- Laboratory of Clinical Analytical Sciences, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Manami Hiraiwa
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Takashi Iezaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan.,Venture Business Laboratory, Organization of Frontier Science and Innovation, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan
| | - Gyujin Park
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazuya Fukasawa
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Hikari Kamada
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazuya Tokumura
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Mei Motono
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Katsuyuki Kaneda
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazuma Ogawa
- Laboratory of Clinical Analytical Sciences, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan.,Institute for Frontier Science Initiative, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan
| | - Hiroki Ochi
- Department of Physiology and Cell Biology, Tokyo Medical and Dental University, Graduate School, Tokyo 113-8510, Japan
| | - Shingo Sato
- Department of Physiology and Cell Biology, Tokyo Medical and Dental University, Graduate School, Tokyo 113-8510, Japan
| | - Yasuhiro Kobayashi
- Institute for Oral Science, Matsumoto Dental University, Shiojiri, Nagano 399-0781, Japan
| | - Yun-Bo Shi
- Section on Molecular Morphogenesis, Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Peter M Taylor
- Division of Cell Signalling and Immunology, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, UK
| | - Eiichi Hinoi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa 920-1192, Japan.
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34
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Esposito M, Mondal N, Greco TM, Wei Y, Spadazzi C, Lin SC, Zheng H, Cheung C, Magnani JL, Lin SH, Cristea IM, Sackstein R, Kang Y. Bone vascular niche E-selectin induces mesenchymal-epithelial transition and Wnt activation in cancer cells to promote bone metastasis. Nat Cell Biol 2019; 21:627-639. [PMID: 30988423 PMCID: PMC6556210 DOI: 10.1038/s41556-019-0309-2] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/07/2019] [Indexed: 01/06/2023]
Abstract
How disseminated tumor cells (DTCs) engage specific stromal components in distant organs for survival and outgrowth is a critical but poorly understood step of the metastatic cascade. Previous studies have demonstrated the importance of the epithelial-mesenchymal transition (EMT) in promoting the cancer stem cell properties needed for metastasis initiation, while the reverse process of mesenchymal-epithelial transition (MET) is required for metastatic outgrowth. Here we report that this paradoxical requirement for simultaneous induction of both MET and cancer stem cell traits in DTCs is provided by bone vascular niche E-selectin, whose direct binding to cancer cells promotes bone metastasis by inducing MET and activating Wnt signaling. E-selectin binding activity mediated by α1–3 Fucosyltransferases Fut3/Fut6 and Glg1 are instrumental to the formation of bone metastasis. These findings provide unique insights into the functional role of E-selectin as a component of the vascular niche critical for metastatic colonization in bone.
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Affiliation(s)
- Mark Esposito
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Nandini Mondal
- Department of Dermatology and Harvard Skin Disease Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Program of Excellence in Glycosciences, Harvard Medical School, Boston, MA, USA
| | - Todd M Greco
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Yong Wei
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Chiara Spadazzi
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS, Meldola, Italy
| | - Song-Chang Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hanqiu Zheng
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Corey Cheung
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | | | - Sue-Hwa Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ileana M Cristea
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Robert Sackstein
- Department of Dermatology and Harvard Skin Disease Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Program of Excellence in Glycosciences, Harvard Medical School, Boston, MA, USA.,Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Yibin Kang
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA.
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Tissue "Hypoxia" and the Maintenance of Leukemia Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1143:129-145. [PMID: 31338818 DOI: 10.1007/978-981-13-7342-8_6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The relationship of the homing of normal hematopoietic stem cells (HSC) in the bone marrow to specific environmental conditions, referred to as the stem cell niche (SCN), has been intensively studied over the last three decades. These conditions include the action of a number of molecular and cellular players, as well as critical levels of nutrients, oxygen and glucose in particular, involved in energy production. These factors are likely to act also in leukemias, due to the strict analogy between the hierarchical structure of normal hematopoietic cell populations and that of leukemia cell populations. This led to propose that leukemic growth is fostered by cells endowed with stem cell properties, the leukemia stem cells (LSC), a concept readily extended to comprise the cancer stem cells (CSC) of solid tumors. Two alternative routes have been proposed for CSC generation, that is, the oncogenic staminalization (acquisition of self-renewal) of a normal progenitor cell (the "CSC in normal progenitor cell" model) and the oncogenic transformation of a normal (self-renewing) stem cell (the "CSC in normal stem cell" model). The latter mechanism, in the hematological context, makes LSC derive from HSC, suggesting that LSC share SCN homing with HSC. This chapter is focused on the availability of oxygen and glucose in the regulation of LSC maintenance within the SCN. In this respect, the most critical aspect in view of the outcome of therapy is the long-term maintenance of the LSC subset capable to sustain minimal residual disease and the related risk of relapse of disease.
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Cheung LC, Tickner J, Hughes AM, Skut P, Howlett M, Foley B, Oommen J, Wells JE, He B, Singh S, Chua GA, Ford J, Mullighan CG, Kotecha RS, Kees UR. New therapeutic opportunities from dissecting the pre-B leukemia bone marrow microenvironment. Leukemia 2018; 32:2326-2338. [PMID: 29740160 PMCID: PMC6224400 DOI: 10.1038/s41375-018-0144-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 04/03/2018] [Accepted: 04/13/2018] [Indexed: 12/23/2022]
Abstract
The microenvironments of leukemia and cancer are critical for multiple stages of malignancies, and they are an attractive therapeutic target. While skeletal abnormalities are commonly seen in children with acute lymphoblastic leukemia (ALL) prior to initiating osteotoxic therapy, little is known about the alterations to the bone marrow microenvironment during leukemogenesis. Therefore, in this study, we focused on the development of precursor-B cell ALL (pre-B ALL) in an immunocompetent BCR-ABL1+ model. Here we show that hematopoiesis was perturbed, B lymphopoiesis was impaired, collagen production was reduced, and the number of osteoblastic cells was decreased in the bone marrow microenvironment. As previously found in children with ALL, the leukemia-bearing mice exhibited severe bone loss during leukemogenesis. Leukemia cells produced high levels of receptor activator of nuclear factor κB ligand (RANKL), sufficient to cause osteoclast-mediated bone resorption. In vivo administration of zoledronic acid rescued leukemia-induced bone loss, reduced disease burden and prolonged survival in leukemia-bearing mice. Taken together, we provide evidence that targeting leukemia-induced bone loss is a therapeutic strategy for pre-B ALL.
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Affiliation(s)
- Laurence C Cheung
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia.
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA, Australia.
| | - Jennifer Tickner
- School of Pathology and Laboratory Medicine, University of Western Australia, Perth, WA, Australia
| | - Anastasia M Hughes
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Patrycja Skut
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Meegan Howlett
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Bree Foley
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Joyce Oommen
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Julia E Wells
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Bo He
- Harry Perkins Institute of Medical Research, Centre for Medical Research, University of Western Australia, Perth, WA, Australia
| | - Sajla Singh
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Grace-Alyssa Chua
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Jette Ford
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Charles G Mullighan
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Rishi S Kotecha
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
- Department of Haematology and Oncology, Princess Margaret Hospital for Children, Perth, WA, Australia
- School of Medicine, University of Western Australia, Perth, WA, Australia
| | - Ursula R Kees
- Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
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Chronic kidney failure mineral bone disorder leads to a permanent loss of hematopoietic stem cells through dysfunction of the stem cell niche. Sci Rep 2018; 8:15385. [PMID: 30337617 PMCID: PMC6194087 DOI: 10.1038/s41598-018-33979-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 10/04/2018] [Indexed: 01/11/2023] Open
Abstract
In chronic kidney disease (CKD), endothelial injury, is associated with disease progression and an increased risk for cardiovascular complications. Circulating cells with vascular reparative functions are hematopoietic and also reduced in CKD. To explore the mechanistic basis behind these observations, we have investigated hematopoietic stem cell (HSC) homeostasis in a mouse model for non-progressive CKD-mineral and bone disorder with experimentally induced chronic renal failure (CRF). In mice subjected to 12 weeks of CRF, bone marrow HSC frequencies were decreased and transplantation of bone marrow cells from CRF donors showed a decrease in long-term HSC repopulation compared to controls. This loss was directly associated with a CRF-induced defect in the HSC niche affecting the cell cycle status of HSC and could not be restored by the PTH-reducing agent cinacalcet. In CRF, frequencies of quiescent (G0) HSC were decreased coinciding with an increase in hematopoietic progenitor cells (HPC) in the S-and G2-phases of cell cycle. Moreover, in CRF mice, HSC-niche supporting macrophages were decreased compared to controls concomitant to impaired B lymphopoiesis. Our data point to a permanent loss of HSC and may provide insight into the root cause of the loss of homeostatic potential in CKD.
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Arthur A, Nguyen TM, Paton S, Zannettino ACW, Gronthos S. Loss of EfnB1 in the osteogenic lineage compromises their capacity to support hematopoietic stem/progenitor cell maintenance. Exp Hematol 2018; 69:43-53. [PMID: 30326247 DOI: 10.1016/j.exphem.2018.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 10/09/2018] [Accepted: 10/10/2018] [Indexed: 12/14/2022]
Abstract
The bone marrow stromal microenvironment contributes to the maintenance and function of hematopoietic stem/progenitor cells (HSPCs). The Eph receptor tyrosine kinase family members have been implicated in bone homeostasis and stromal support of HSPCs. The present study examined the influence of EfnB1-expressing osteogenic lineage on HSPC function. Mice with conditional deletion of EfnB1 in the osteogenic lineage (EfnB1OB-/-), driven by the Osterix promoter, exhibited a reduced prevalence of osteogenic progenitors and osteoblasts, correlating to lower numbers of HSPCs compared with Osx:Cre mice. Long-term culture-initiating cell (LTC-IC) assays confirmed that the loss of EfnB1 within bone cells hindered HSPC function, with a significant reduction in colony formation in EfnB1OB-/- mice compared with Osx:Cre mice. Human studies confirmed that activation of EPHB2 on CD34+ HSPCs via EFNB1-Fc stimulation enhanced myeloid/erythroid colony formation, whereas functional blocking of either EPHB1 or EPHB2 inhibited the maintenance of LTC-ICs. Moreover, EFNB1 reverse signaling in human and mouse stromal cells was found to be required for the activation of the HSPC-promoting factor CXCL12. Collectively, the results of this study confirm that EfnB1 contributes to the stromal support of HSPC function and maintenance and may be an important factor in regulating the HSPC niche.
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Affiliation(s)
- Agnieszka Arthur
- Mesenchymal Stem Cell Laboratory, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia; Cancer Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Thao M Nguyen
- Mesenchymal Stem Cell Laboratory, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia; Cancer Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Sharon Paton
- Mesenchymal Stem Cell Laboratory, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia; Cancer Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Andrew C W Zannettino
- Cancer Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia; Myeloma Research Laboratory, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Stan Gronthos
- Mesenchymal Stem Cell Laboratory, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia; Cancer Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia.
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Pharmacological Regulation of Oxidative Stress in Stem Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:4081890. [PMID: 30363995 PMCID: PMC6186346 DOI: 10.1155/2018/4081890] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/06/2018] [Indexed: 12/16/2022]
Abstract
Oxidative stress results from an imbalance between reactive oxygen species (ROS) production and antioxidant defense mechanisms. The regulation of stem cell self-renewal and differentiation is crucial for early development and tissue homeostasis. Recent reports have suggested that the balance between self-renewal and differentiation is regulated by the cellular oxidation-reduction (redox) state; therefore, the study of ROS regulation in regenerative medicine has emerged to develop protocols for regulating appropriate stem cell differentiation and maintenance for clinical applications. In this review, we introduce the defined roles of oxidative stress in pluripotent stem cells (PSCs) and hematopoietic stem cells (HSCs) and discuss the potential applications of pharmacological approaches for regulating oxidative stress in regenerative medicine.
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de Kruijf EJF, Zuijderduijn R, Stip MC, Fibbe WE, van Pel M. Mesenchymal stromal cells induce a permissive state in the bone marrow that enhances G-CSF-induced hematopoietic stem cell mobilization in mice. Exp Hematol 2018; 64:59-70.e2. [DOI: 10.1016/j.exphem.2018.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/17/2018] [Accepted: 05/08/2018] [Indexed: 01/05/2023]
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Jalbert E, Pietras EM. Analysis of Murine Hematopoietic Stem Cell Proliferation During Inflammation. Methods Mol Biol 2018; 1686:183-200. [PMID: 29030822 DOI: 10.1007/978-1-4939-7371-2_14] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Normally, quiescent hematopoietic stem cells (HSC) rapidly enter the cell cycle following exposure to inflammatory stimuli. The analysis of HSC cell cycle activity in murine bone marrow during inflammation is often complicated by the relative rarity of HSCs and shifts in Sca-1, a key cell surface marker used to identify HSCs. Here, we report a method to analyze HSC proliferation and cell cycle distribution under inflammatory conditions. Our approach uses EdU incorporation and Ki67 staining coupled with DNA content quantification by DAPI. We also incorporate the surface marker ESAM to help minimize the potential for contaminating events that may confound analysis in the HSC compartment.
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Affiliation(s)
- Emilie Jalbert
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Eric M Pietras
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, 12700 East 19th Ave, Research Complex 2, Mail Stop F754, Aurora, CO, 80045, USA.
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42
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Khosravi N, Maeda A, DaCosta RS, Davies JE. Nanosurfaces modulate the mechanism of peri-implant endosseous healing by regulating neovascular morphogenesis. Commun Biol 2018; 1:72. [PMID: 30271953 PMCID: PMC6123776 DOI: 10.1038/s42003-018-0074-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/10/2018] [Indexed: 02/06/2023] Open
Abstract
Nanosurfaces have improved clinical osseointegration by increasing bone/implant contact. Neovascularization is considered an essential prerequisite to osteogenesis, but no previous reports to our knowledge have examined the effect of surface topography on the spatio-temporal pattern of neovascularization during peri-implant healing. We have developed a cranial window model to study peri-implant healing intravitally over clinically relevant time scales as a function of implant topography. Quantitative intravital confocal imaging reveals that changing the topography (but not chemical composition) of an implant profoundly affects the pattern of peri-implant neovascularization. New vessels develop proximal to the implant and the vascular network matures sooner in the presence of an implant nanosurface. Accelerated angiogenesis can lead to earlier osseointegration through the delivery of osteogenic precursors to, and direct formation of bone on, the implant surface. This study highlights a critical aspect of peri-implant healing, but also informs the biological rationale for the surface design of putative endosseous implant materials.
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Affiliation(s)
- Niloufar Khosravi
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, M5G 1G6, Canada
- Faculty of Dentistry, University of Toronto, Toronto, ON, M5G 1G6, Canada
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Azusa Maeda
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 1L7, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada
| | - Ralph S DaCosta
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 1L7, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada.
- Techna Institute, University Health Network, Toronto, ON, M5G 1L5, Canada.
| | - John E Davies
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, M5G 1G6, Canada.
- Faculty of Dentistry, University of Toronto, Toronto, ON, M5G 1G6, Canada.
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43
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van Rhijn-Brouwer FCC, Gremmels H, Fledderus JO, Verhaar MC. Mesenchymal Stromal Cell Characteristics and Regenerative Potential in Cardiovascular Disease: Implications for Cellular Therapy. Cell Transplant 2018; 27:765-785. [PMID: 29895169 PMCID: PMC6047272 DOI: 10.1177/0963689717738257] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Administration of mesenchymal stromal cells (MSCs) is a promising strategy to treat cardiovascular disease (CVD). As progenitor cells may be negatively affected by both age and comorbidity, characterization of MSC function is important to guide decisions regarding use of allogeneic or autologous cells. Definitive answers on which factors affect MSC function can also aid in selecting which MSC donors would yield the most therapeutically efficacious MSCs. Here we provide a narrative review of MSC function in CVD based on a systematic search. A total of 41 studies examining CVD-related MSC (dys)function were identified. These data show that MSC characteristics and regenerative potential are often affected by CVD. However, studies presented conflicting results, and directed assessment of MSC parameters relevant to regenerative medicine applications was lacking in many studies. The predictive ability of in vitro assays for in vivo efficacy was rarely assessed. There was no correlation between quality of study reporting and study findings. Age mismatch was also not associated with study findings or effect size. Future research should focus on assays that assess regenerative potential in MSCs and parameters that relate to clinical success.
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Affiliation(s)
- F C C van Rhijn-Brouwer
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - H Gremmels
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - J O Fledderus
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - M C Verhaar
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
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44
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Calvo-Asensio I, Dillon ET, Lowndes NF, Ceredig R. The Transcription Factor Hif-1 Enhances the Radio-Resistance of Mouse MSCs. Front Physiol 2018; 9:439. [PMID: 29755367 PMCID: PMC5932323 DOI: 10.3389/fphys.2018.00439] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 04/06/2018] [Indexed: 12/18/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are multipotent progenitors supporting bone marrow hematopoiesis. MSCs have an efficient DNA damage response (DDR) and are consequently relatively radio-resistant cells. Therefore, MSCs are key to hematopoietic reconstitution following total body irradiation (TBI) and bone marrow transplantation (BMT). The bone marrow niche is hypoxic and via the heterodimeric transcription factor Hypoxia-inducible factor-1 (Hif-1), hypoxia enhances the DDR. Using gene knock-down, we have previously shown that the Hif-1α subunit of Hif-1 is involved in mouse MSC radio-resistance, however its exact mechanism of action remains unknown. In order to dissect the involvement of Hif-1α in the DDR, we used CRISPR/Cas9 technology to generate a stable mutant of the mouse MSC cell line MS5 lacking Hif-1α expression. Herein, we show that it is the whole Hif-1 transcription factor, and not only the Hif-1α subunit, that modulates the DDR of mouse MSCs. This effect is dependent upon the presence of a Hif-1α protein capable of binding to both DNA and its heterodimeric partner Arnt (Hif-1β). Detailed transcriptomic and proteomic analysis of Hif1a KO MS5 cells leads us to conclude that Hif-1α may be acting indirectly on the DNA repair process. These findings have important implications for the modulation of MSC radio-resistance in the context of BMT and cancer.
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Affiliation(s)
- Irene Calvo-Asensio
- Regenerative Medicine Institute, School of Medicine, Nursing and Health Sciences, National University of Ireland, Galway, Ireland.,Genome Stability Laboratory, Centre for Chromosome Biology, National University of Ireland, Galway, Ireland
| | - Eugène T Dillon
- Proteome Research Centre, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Noel F Lowndes
- Genome Stability Laboratory, Centre for Chromosome Biology, National University of Ireland, Galway, Ireland
| | - Rhodri Ceredig
- Regenerative Medicine Institute, School of Medicine, Nursing and Health Sciences, National University of Ireland, Galway, Ireland
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45
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Gleitz HF, Kramann R, Schneider RK. Understanding deregulated cellular and molecular dynamics in the haematopoietic stem cell niche to develop novel therapeutics for bone marrow fibrosis. J Pathol 2018; 245:138-146. [PMID: 29570794 PMCID: PMC5969225 DOI: 10.1002/path.5078] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 03/01/2018] [Accepted: 03/15/2018] [Indexed: 01/06/2023]
Abstract
Bone marrow fibrosis is the continuous replacement of blood-forming cells in the bone marrow with excessive scar tissue, leading to failure of the body to produce blood cells and ultimately to death. Myofibroblasts are fibrosis-driving cells and are well characterized in solid organ fibrosis, but their role and cellular origin in bone marrow fibrosis have remained obscure. Recent work has demonstrated that Gli1+ and leptin receptor+ mesenchymal stromal cells are progenitors of fibrosis-causing myofibroblasts in the bone marrow. Genetic ablation or pharmacological inhibition of Gli1+ mesenchymal stromal cells ameliorated fibrosis in mouse models of myelofibrosis. Conditional deletion of the platelet-derived growth factor (PDGF) receptor-α (PDGFRA) gene (Pdgfra) and inhibition of PDGFRA by imatinib in leptin receptor+ stromal cells suppressed their expansion and ameliorated bone marrow fibrosis. Understanding the cellular and molecular mechanisms in the haematopoietic stem cell niche that govern the mesenchymal stromal cell-to-myofibroblast transition and myofibroblast expansion will be critical to understand the pathogenesis of bone marrow fibrosis in both malignant and non-malignant conditions, and will guide the development of novel therapeutics. In this review, we summarize recent discoveries of mesenchymal stromal cells as part of the haematopoietic niche and as myofibroblast precursors, and discuss potential therapeutic strategies in the specific targeting of fibrotic transformation in bone marrow fibrosis. © 2018 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Hélène Fe Gleitz
- Department of Haematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Rafael Kramann
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany
| | - Rebekka K Schneider
- Department of Haematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands.,Department of Haematology, Oncology, Haemostaseology, and Stem Cell Transplantation, RWTH Aachen University, Aachen, Germany
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46
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Wei Q, Frenette PS. Niches for Hematopoietic Stem Cells and Their Progeny. Immunity 2018; 48:632-648. [PMID: 29669248 PMCID: PMC6103525 DOI: 10.1016/j.immuni.2018.03.024] [Citation(s) in RCA: 256] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 11/28/2017] [Accepted: 03/20/2018] [Indexed: 01/01/2023]
Abstract
Steady-state hematopoietic stem cells' (HSCs) self-renewal and differentiation toward their mature progeny in the adult bone marrow is tightly regulated by cues from the microenvironment. Recent insights into the cellular and molecular constituents have uncovered a high level of complexity. Here, we review emerging evidence showing how HSCs and their progeny are regulated by an interdependent network of mesenchymal stromal cells, nerve fibers, the vasculature, and also other hematopoietic cells. Understanding the interaction mechanisms in these intricate niches will provide great opportunities for HSC-related therapies and immune modulation.
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Affiliation(s)
- Qiaozhi Wei
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Paul S Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Departmentof Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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47
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Kotha SS, Hayes BJ, Phong KT, Redd MA, Bomsztyk K, Ramakrishnan A, Torok-Storb B, Zheng Y. Engineering a multicellular vascular niche to model hematopoietic cell trafficking. Stem Cell Res Ther 2018; 9:77. [PMID: 29566751 PMCID: PMC5865379 DOI: 10.1186/s13287-018-0808-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 01/10/2018] [Accepted: 02/19/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The marrow microenvironment and vasculature plays a critical role in regulating hematopoietic cell recruitment, residence, and maturation. Extensive in vitro and in vivo studies have aimed to understand the marrow cell types that contribute to hematopoiesis and the stem cell environment. Nonetheless, in vitro models are limited by a lack of complex multicellular interactions, and cellular interactions are not easily manipulated in vivo. Here, we develop an engineered human vascular marrow niche to examine the three-dimensional cell interactions that direct hematopoietic cell trafficking. METHODS Using soft lithography and injection molding techniques, fully endothelialized vascular networks were fabricated in type I collagen matrix, and co-cultured under flow with embedded marrow fibroblast cells in the matrix. Marrow fibroblast (mesenchymal stem cells (MSCs), HS27a, or HS5) interactions with the endothelium were imaged via confocal microscopy and altered endothelial gene expression was analyzed with RT-PCR. Monocytes, hematopoietic progenitor cells, and leukemic cells were perfused through the network and their adhesion and migration was evaluated. RESULTS HS27a cells and MSCs interact directly with the vessel wall more than HS5 cells, which are not seen to make contact with the endothelial cells. In both HS27a and HS5 co-cultures, endothelial expression of junctional markers was reduced. HS27a co-cultures promote perfused monocytes to adhere and migrate within the vessel network. Hematopoietic progenitors rely on monocyte-fibroblast crosstalk to facilitate preferential recruitment within HS27a co-cultured vessels. In contrast, leukemic cells sense fibroblast differences and are recruited preferentially to HS5 and HS27a co-cultures, but monocytes are able to block this sensitivity. CONCLUSIONS We demonstrate the use of a microvascular platform that incorporates a tunable, multicellular composition to examine differences in hematopoietic cell trafficking. Differential recruitment of hematopoietic cell types to distinct fibroblast microenvironments highlights the complexity of cell-cell interactions within the marrow. This system allows for step-wise incorporation of cellular components to reveal the dynamic spatial and temporal interactions between endothelial cells, marrow-derived fibroblasts, and hematopoietic cells that comprise the marrow vascular niche. Furthermore, this platform has potential for use in testing therapeutics and personalized medicine in both normal and disease contexts.
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Affiliation(s)
- Surya S Kotha
- Department of Bioengineering, University of Washington, Brotman Building, 850 Republican Street, Seattle, WA, 98109, USA
| | - Brian J Hayes
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Kiet T Phong
- Department of Bioengineering, University of Washington, Brotman Building, 850 Republican Street, Seattle, WA, 98109, USA
| | | | - Karol Bomsztyk
- Department of Pharmacology, University of Washington, Seattle, WA, 98109, USA
| | - Aravind Ramakrishnan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
- Department of Medicine, University of Washington, Seattle, WA, 98109, USA
| | - Beverly Torok-Storb
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Ying Zheng
- Department of Bioengineering, University of Washington, Brotman Building, 850 Republican Street, Seattle, WA, 98109, USA.
- Center for Cardiovascular Biology, Institute of Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, 98109, USA.
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48
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Bono S, Dello Sbarba P, Lulli M. Imatinib-mesylate enhances the maintenance of chronic myeloid leukemia stem cell potential in the absence of glucose. Stem Cell Res 2018; 28:33-38. [PMID: 29414416 DOI: 10.1016/j.scr.2018.01.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 01/29/2018] [Accepted: 01/29/2018] [Indexed: 10/18/2022] Open
Abstract
The introduction of BCR/Abl tyrosine kinase inhibitors (TKI), such as imatinib-mesylate (IM), has revolutioned the treatment of chronic myeloid leukemia (CML). However, although extremely effective in inducing CML remission, IM is unable to eliminate leukemia stem cells (LSC). This is largely due to the suppression of BCR/Abl protein, driven by the reduction of energy supply due to oxygen or glucose shortage, in stem cell niches of bone marrow. Here, we investigated whether, in K562 and KCL22 CML cell cultures, glucose shortage induces refractoriness of stem cell potential to IM. In the absence of glucose, IM, while maintaining its detrimental effect on CML cell bulk, actually enhanced colony formation ability and stem cell potential. This was paralleled by an increased expression of the Nanog and Sox-2 stem cell markers. These evidences stress further the importance of developing strategies alternative to TKI capable to target LSC of CML.
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Affiliation(s)
- Silvia Bono
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università degli Studi di Firenze, Florence, Italy; Istituto Toscano Tumori, Florence, Italy
| | - Persio Dello Sbarba
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università degli Studi di Firenze, Florence, Italy; Istituto Toscano Tumori, Florence, Italy.
| | - Matteo Lulli
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università degli Studi di Firenze, Florence, Italy; Istituto Toscano Tumori, Florence, Italy.
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49
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Epigenetic and microenvironmental alterations in bone marrow associated with ROS in experimental aplastic anemia. Eur J Cell Biol 2018; 97:32-43. [DOI: 10.1016/j.ejcb.2017.11.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/04/2017] [Accepted: 11/20/2017] [Indexed: 12/22/2022] Open
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50
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A molecular signature of dormancy in CD34 +CD38 - acute myeloid leukaemia cells. Oncotarget 2017; 8:111405-111418. [PMID: 29340063 PMCID: PMC5762331 DOI: 10.18632/oncotarget.22808] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 11/14/2017] [Indexed: 01/11/2023] Open
Abstract
Dormant leukaemia initiating cells in the bone marrow niche are a crucial therapeutic target for total eradication of acute myeloid leukaemia. To study this cellular subset we created and validated an in vitro model employing the cell line TF-1a, treated with Transforming Growth Factor β1 (TGFβ1) and a mammalian target of rapamycin inhibitor. The treated cells showed decreases in total RNA, Ki-67 and CD71, increased aldehyde dehydrogenase activity, forkhead box 03A (FOX03A) nuclear translocation and growth inhibition, with no evidence of apoptosis or differentiation. Using human genome gene expression profiling we identified a signature enriched for genes involved in adhesion, stemness/inhibition of differentiation and tumour suppression as well as canonical cell cycle regulation. The most upregulated gene was the osteopontin-coding gene SPP1. Dormant cells also demonstrated significantly upregulated beta 3 integrin (ITGB3) and CD44, as well as increased adhesion to their ligands vitronectin and hyaluronic acid as well as to bone marrow stromal cells. Immunocytochemistry of bone marrow biopsies of AML patients confirmed the positive expression of osteopontin in blasts near the para-trabecular bone marrow, whereas osteopontin was rarely detected in mononuclear cell isolates. Unsupervised hierarchical clustering of the dormancy gene signature in primary acute myeloid leukaemia samples from the Cancer Genome Atlas identified a cluster enriched for dormancy genes associated with poor overall survival.
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