251
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Krohn-Grimberghe M, Mitchell MJ, Schloss MJ, Khan OF, Courties G, Guimaraes PPG, Rohde D, Cremer S, Kowalski PS, Sun Y, Tan M, Webster J, Wang K, Iwamoto Y, Schmidt SP, Wojtkiewicz GR, Nayar R, Frodermann V, Hulsmans M, Chung A, Hoyer FF, Swirski FK, Langer R, Anderson DG, Nahrendorf M. Nanoparticle-encapsulated siRNAs for gene silencing in the haematopoietic stem-cell niche. Nat Biomed Eng 2020; 4:1076-1089. [PMID: 33020600 PMCID: PMC7655681 DOI: 10.1038/s41551-020-00623-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 09/03/2020] [Indexed: 12/11/2022]
Abstract
Bone-marrow endothelial cells in the haematopoietic stem-cell niche form a network of blood vessels that regulates blood-cell traffic as well as the maintenance and function of haematopoietic stem and progenitor cells. Here, we report the design and in vivo performance of systemically injected lipid-polymer nanoparticles encapsulating small interfering RNA (siRNA), for the silencing of genes in bone-marrow endothelial cells. In mice, nanoparticles encapsulating siRNA sequences targeting the proteins stromal-derived factor 1 (Sdf1) or monocyte chemotactic protein 1 (Mcp1) enhanced (when silencing Sdf1) or inhibited (when silencing Mcp1) the release of stem and progenitor cells and of leukocytes from the bone marrow. In a mouse model of myocardial infarction, nanoparticle-mediated inhibition of cell release from the haematopoietic niche via Mcp1 silencing reduced leukocytes in the diseased heart, improved healing after infarction and attenuated heart failure. Nanoparticle-mediated RNA interference in the haematopoietic niche could be used to investigate haematopoietic processes for therapeutic applications in cancer, infection and cardiovascular disease.
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Affiliation(s)
- Marvin Krohn-Grimberghe
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Cardiology and Angiology I, Heart Center Freiburg University, Freiburg, Germany
| | - Michael J Mitchell
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Maximilian J Schloss
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Omar F Khan
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Gabriel Courties
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Pedro P G Guimaraes
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - David Rohde
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Sebastian Cremer
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Piotr S Kowalski
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Yuan Sun
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Mingchee Tan
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Jamie Webster
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Karin Wang
- Molecular and Integrative Physiological Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yoshiko Iwamoto
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Stephen P Schmidt
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Gregory R Wojtkiewicz
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ribhu Nayar
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Vanessa Frodermann
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Maarten Hulsmans
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Amanda Chung
- Molecular and Integrative Physiological Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Friedrich Felix Hoyer
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Filip K Swirski
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Robert Langer
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Daniel G Anderson
- Department of Chemical Engineering, David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA.
| | - Matthias Nahrendorf
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany.
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252
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Chen J, Dong Y, Peng J, Zhang J, Gao X, Lu A, Shen C. Notch signaling mitigates chemotherapy toxicity by accelerating hematopoietic stem cells proliferation via c-Myc. Am J Transl Res 2020; 12:6723-6739. [PMID: 33194068 PMCID: PMC7653623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
The mechanisms that regulate hematopoietic stem cell (HSC) regeneration after myelosuppressive injury are not well understood. Here, we showed that disruption of Notch signaling aggravated chemotherapy-induced myelosuppression in inducible genetic mice. Conversely, Notch activation correlated positively with clinical HSC engraftment. We used endothelial-targeted chimeric Notch ligand Delta-like 1 (D1R) to activate Notch signaling in hematopoietic stem/progenitor cells through micro-environmental cellular contact. Recombinant protein D1R contributed to the recovery of the HSC pool and sustained HSC vitality in response to various chemotherapeutic agents in vivo. Mechanistically, D1R treatment promoted HSC proliferation transiently, prevented HSC exhaustion, correlated with activation of the downstream phosphoinositide 3-kinase (PI3K)/extracellular-signal-regulated kinase (ERK)/BCL2 associated agonist of cell death (BAD) signaling axis during regeneration, and partially mediated upregulation of c-Myc in HSCs. These data reveal an unrecognized role for Notch signaling in promoting HSC repopulation after myelosuppressive chemotherapy and offer a new therapeutic approach to mitigate chemotherapy-induced injury.
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Affiliation(s)
- Juanjuan Chen
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical UniversityGuangzhou, China
- Department of Oncology and Hematology, 421 Hospital of Chinese People’s Liberation ArmyGuangzhou, China
| | - Yan Dong
- Department of Hematology, Tangdu Hospital, Fourth Military Medical UniversityXi’an, China
| | - Jie Peng
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical UniversityGuangzhou, China
| | - Jian Zhang
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical UniversityGuangzhou, China
| | - Xiaotong Gao
- Department of Hematology, Tangdu Hospital, Fourth Military Medical UniversityXi’an, China
| | - Aili Lu
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical UniversityGuangzhou, China
| | - Chunlin Shen
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical UniversityGuangzhou, China
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253
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Hussain A, Deleuze V, El Kebriti L, Turali H, Pirot N, Glasson Y, Mathieu D, Pinet V. In Lyl1 -/- mice, adipose stem cell vascular niche impairment leads to premature development of fat tissues. STEM CELLS (DAYTON, OHIO) 2020; 39:78-91. [PMID: 33022858 PMCID: PMC7821250 DOI: 10.1002/stem.3286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 09/22/2020] [Indexed: 12/11/2022]
Abstract
Lyl1 encodes a hematopoietic‐ and endothelial‐specific bHLH transcription factor. Lyl1‐deficient mice are viable, but they display mild hematopoietic and vascular defects. Specifically, LYL1 is required for the maturation and stabilization of blood vessel endothelial adherens junctions. Here, we report that young adult Lyl1−/− mice exhibit transient overweight associated with general expansion of adipose tissue, without signs of metabolic disorder and unrelated to food intake. The increased fat tissue development in Lyl1−/− mice resulted from earlier differentiation of adipose stem cells (ASCs) into adipocytes through noncell autonomous mechanisms. Specifically, we found that in Lyl1−/− mice, the adipose tissue vascular structures are immature, as indicated by their high permeability, reduced coverage by pericytes, lower recruitment of VE‐cadherin and ZO1 at cell junctions, and more prone to angiogenesis. Together, our data show that in Lyl1−/− mice, the impaired vascular compartment of the adipose niche promotes ASC differentiation, leading to early adipocyte expansion and premature ASC depletion. Our study highlights the major structural role of the adipose tissue vascular niche in coordinating stem cell self‐renewal and differentiation into adipocytes.
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Affiliation(s)
- Abid Hussain
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Virginie Deleuze
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Leila El Kebriti
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Hulya Turali
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Nelly Pirot
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Yaël Glasson
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Danièle Mathieu
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
| | - Valérie Pinet
- Institut de Génétique Moléculaire de Montpellier, Univ Montpellier, CNRS, Montpellier, France
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254
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Helbling PM, Piñeiro-Yáñez E, Gerosa R, Boettcher S, Al-Shahrour F, Manz MG, Nombela-Arrieta C. Global Transcriptomic Profiling of the Bone Marrow Stromal Microenvironment during Postnatal Development, Aging, and Inflammation. Cell Rep 2020; 29:3313-3330.e4. [PMID: 31801092 DOI: 10.1016/j.celrep.2019.11.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/03/2019] [Accepted: 10/31/2019] [Indexed: 12/22/2022] Open
Abstract
Bone marrow (BM) stromal cells provide the regulatory framework for hematopoiesis and contribute to developmental stage-specific niches, such as those preserving hematopoietic stem cells. Despite advances in our understanding of stromal function, little is known about the transcriptional changes that this compartment undergoes throughout lifespan and during adaptation to stress. Using RNA sequencing, we perform transcriptional analyses of four principal stromal subsets, namely CXCL12-abundant reticular, platelet-derived growth factor receptor (PDGFR)-α+Sca1+, sinusoidal, and arterial endothelial cells, from early postnatal, adult, and aged mice. Our data reveal (1) molecular fingerprints defining cell-specific anatomical and functional features, (2) a radical reprogramming of pro-hematopoietic, immune, and matrisomic transcriptional programs during the transition from juvenile stages to adulthood, and (3) the aging-driven progressive upregulation of pro-inflammatory gene expression in stroma. We further demonstrate that transcriptomic pathways elicited in vivo by prototypic microbial molecules are largely recapitulated during aging, thereby supporting the inflammatory basis of age-related adaptations of BM hematopoietic function.
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Affiliation(s)
- Patrick M Helbling
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Elena Piñeiro-Yáñez
- Bioinformatics Unit, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Rahel Gerosa
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Steffen Boettcher
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Fátima Al-Shahrour
- Bioinformatics Unit, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - César Nombela-Arrieta
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland.
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255
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A Review of the Action of Magnesium on Several Processes Involved in the Modulation of Hematopoiesis. Int J Mol Sci 2020; 21:ijms21197084. [PMID: 32992944 PMCID: PMC7582682 DOI: 10.3390/ijms21197084] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/18/2022] Open
Abstract
Magnesium (Mg2+) is an essential mineral for the functioning and maintenance of the body. Disturbances in Mg2+ intracellular homeostasis result in cell-membrane modification, an increase in oxidative stress, alteration in the proliferation mechanism, differentiation, and apoptosis. Mg2+ deficiency often results in inflammation, with activation of inflammatory pathways and increased production of proinflammatory cytokines by immune cells. Immune cells and others that make up the blood system are from hematopoietic tissue in the bone marrow. The hematopoietic tissue is a tissue with high indices of renovation, and Mg2+ has a pivotal role in the cell replication process, as well as DNA and RNA synthesis. However, the impact of the intra- and extracellular disturbance of Mg2+ homeostasis on the hematopoietic tissue is little explored. This review deals specifically with the physiological requirements of Mg2+ on hematopoiesis, showing various studies related to the physiological requirements and the effects of deficiency or excess of this mineral on the hematopoiesis regulation, as well as on the specific process of erythropoiesis, granulopoiesis, lymphopoiesis, and thrombopoiesis. The literature selected includes studies in vitro, in animal models, and in humans, giving details about the impact that alterations of Mg2+ homeostasis can have on hematopoietic cells and hematopoietic tissue.
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256
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Böhm L, Helbing DL, Oraha N, Morrison H. The peripheral nervous system in hematopoietic stem cell aging. Mech Ageing Dev 2020; 191:111329. [PMID: 32795470 DOI: 10.1016/j.mad.2020.111329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 08/02/2020] [Accepted: 08/07/2020] [Indexed: 10/23/2022]
Abstract
Hematopoietic stem cell performance and identity, crucial for homeostasis of the blood-forming system, is governed by extrinsic factors found in the bone marrow microenvironment. Communication within hematopoietic stem cell niches occurs via soluble factors or cell-to-cell contacts between niche and blood-forming cells - which in turn are influenced by systemic factors distributed by the bone marrow extracellular fluid. Although hematopoietic cell-intrinsic aging contributes to the aging phenotype of the hematopoietic system, the architecture and cellular composition of the bone marrow microenvironment have emerged to be highly dynamic during aging and suggested as a major driver for the functional limitations of the blood system observable in old individuals. Recent attention has been paid to the interface between the peripheral nervous system and blood-forming cells in the bone marrow in several clinical contexts and in aging - the latter is reviewed here.
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Affiliation(s)
- Leopold Böhm
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany; Institute of Molecular Cell Biology, Faculty of Medicine, University Hospital Jena and Friedrich Schiller University Jena, 07745, Jena, Germany
| | - Dario-Lucas Helbing
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany; Institute of Molecular Cell Biology, Faculty of Medicine, University Hospital Jena and Friedrich Schiller University Jena, 07745, Jena, Germany
| | - Nova Oraha
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany; Institute of Molecular Cell Biology, Faculty of Medicine, University Hospital Jena and Friedrich Schiller University Jena, 07745, Jena, Germany
| | - Helen Morrison
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany; Faculty of Biological Sciences, Friedrich-Schiller-University Jena, 07743, Jena, Germany.
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257
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Li H, Pei H, Wang S, Zhang B, Fan Z, Liu Y, Xie X, Yang Z, Xu L, Jia Y, Bai Y, Han Y, Chen L, He L, Nan X, Yue W, Pei X. Arterial endothelium creates a permissive niche for expansion of human cord blood hematopoietic stem and progenitor cells. Stem Cell Res Ther 2020; 11:358. [PMID: 32799928 PMCID: PMC7429738 DOI: 10.1186/s13287-020-01880-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/22/2020] [Accepted: 08/06/2020] [Indexed: 12/03/2022] Open
Abstract
Background Although cord blood (CB) offers promise for treatment of patients with high-risk hematological malignancies and immune disorders, the limited numbers of hematopoietic stem cell (HSC)/progenitor cell in a CB unit and straitened circumstances in expanding ex vivo make it quite challenging to develop the successful cell therapies. Methods In this study, a novel strategy has been developed to support ex vivo expansion of hematopoietic stem and progenitor cells (HSPCs) by coculture with engineered human umbilical arterial endothelial cells (HuAECs-E4orf1-GFP), which expresses E4ORF1 stably by using a retroviral system. Results Coculture of CD34+ hCB cells with HuAECs-E4orf1-GFP resulted in generation of considerably more total nucleated cells, CD34+CD38−, and CD34+CD38−CD90+ HSPCs in comparison with that of cytokines alone or that of coculture with human umbilical vein endothelial cells (HuVECs) after 14-day amplification. The in vitro multilineage differentiation potential and in vivo repopulating capacity of the expanded hematopoietic cells cocultured with HuAECs-E4orf1-GFP were also markedly enhanced compared with the other two control groups. DLL4, a major determinant of arterial endothelial cell (EC) identity, was associated with CD34+ hCB cells amplified on HuAECs-E4orf1-GFP. Conclusions Collectively, we demonstrated that HuAECs acted as a permissive niche in facilitating expansion of HSPCs. Our study further implicated that the crucial factors and related pathways presented in HuAECs may give a hint to maintain self-renewal of bona fide HSCs.
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Affiliation(s)
- Huilin Li
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Haiyun Pei
- Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, 100850, China. .,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China.
| | - Sihan Wang
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Bowen Zhang
- Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Zeng Fan
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Yiming Liu
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Xiaoyan Xie
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Zhou Yang
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Lei Xu
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Yali Jia
- Experimental Hematology and Biochemistry Lab, Beijing Institute of Radiation Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Yun Bai
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China
| | - Yi Han
- South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Lin Chen
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Lijuan He
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Xue Nan
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China.,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China
| | - Wen Yue
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China. .,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China.
| | - Xuetao Pei
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, Beijing, 100850, China. .,South China Research Center for Stem Cell & Regenerative Medicine, SCIB, Guangzhou, 510005, China.
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258
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Clara-Trujillo S, Gallego Ferrer G, Gómez Ribelles JL. In Vitro Modeling of Non-Solid Tumors: How Far Can Tissue Engineering Go? Int J Mol Sci 2020; 21:E5747. [PMID: 32796596 PMCID: PMC7460836 DOI: 10.3390/ijms21165747] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 12/19/2022] Open
Abstract
In hematological malignancies, leukemias or myelomas, malignant cells present bone marrow (BM) homing, in which the niche contributes to tumor development and drug resistance. BM architecture, cellular and molecular composition and interactions define differential microenvironments that govern cell fate under physiological and pathological conditions and serve as a reference for the native biological landscape to be replicated in engineered platforms attempting to reproduce blood cancer behavior. This review summarizes the different models used to efficiently reproduce certain aspects of BM in vitro; however, they still lack the complexity of this tissue, which is relevant for fundamental aspects such as drug resistance development in multiple myeloma. Extracellular matrix composition, material topography, vascularization, cellular composition or stemness vs. differentiation balance are discussed as variables that could be rationally defined in tissue engineering approaches for achieving more relevant in vitro models. Fully humanized platforms closely resembling natural interactions still remain challenging and the question of to what extent accurate tissue complexity reproduction is essential to reliably predict drug responses is controversial. However, the contributions of these approaches to the fundamental knowledge of non-solid tumor biology, its regulation by niches, and the advance of personalized medicine are unquestionable.
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Affiliation(s)
- Sandra Clara-Trujillo
- Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; (G.G.F.); (J.L.G.R.)
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 46022 Valencia, Spain
| | - Gloria Gallego Ferrer
- Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; (G.G.F.); (J.L.G.R.)
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 46022 Valencia, Spain
| | - José Luis Gómez Ribelles
- Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; (G.G.F.); (J.L.G.R.)
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 46022 Valencia, Spain
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259
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Zanetti C, Krause DS. "Caught in the net": the extracellular matrix of the bone marrow in normal hematopoiesis and leukemia. Exp Hematol 2020; 89:13-25. [PMID: 32755619 DOI: 10.1016/j.exphem.2020.07.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 12/14/2022]
Abstract
The influence of the bone marrow microenvironment on normal hematopoiesis, but also leukemia, has largely been accepted. However, the focus has been predominantly on the role of various cell types or cytokines maintaining hematopoietic stem cells or protecting leukemia stem cells from different therapies. A frequently overlooked component of the bone marrow microenvironment is the extracellular matrix, which not only provides a mechanical scaffold, but also serves as a source of growth factors. We discuss here how extracellular matrix proteins directly or indirectly modulate hematopoietic stem cell physiology and influence leukemia progression. It is hoped that existing and future studies on this topic may propel forward the possibility of augmenting normal hematopoiesis and improving therapies for leukemia, for instance, by targeting of the extracellular matrix in the bone marrow.
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Affiliation(s)
- Costanza Zanetti
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Daniela S Krause
- German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Germany; Frankfurt Cancer Institute, Frankfurt, Germany; Faculty of Medicine, Johann Wolfgang Goethe University, Frankfurt, Germany.
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260
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Solovey M, Scialdone A. COMUNET: a tool to explore and visualize intercellular communication. Bioinformatics 2020; 36:4296-4300. [PMID: 32399572 PMCID: PMC7520036 DOI: 10.1093/bioinformatics/btaa482] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 04/16/2020] [Accepted: 05/05/2020] [Indexed: 01/30/2023] Open
Abstract
MOTIVATION Intercellular communication plays an essential role in multicellular organisms and several algorithms to analyze it from single-cell transcriptional data have been recently published, but the results are often hard to visualize and interpret. RESULTS We developed Cell cOmmunication exploration with MUltiplex NETworks (COMUNET), a tool that streamlines the interpretation of the results from cell-cell communication analyses. COMUNET uses multiplex networks to represent and cluster all potential communication patterns between cell types. The algorithm also enables the search for specific patterns of communication and can perform comparative analysis between two biological conditions. To exemplify its use, here we apply COMUNET to investigate cell communication patterns in single-cell transcriptomic datasets from mouse embryos and from an acute myeloid leukemia patient at diagnosis and after treatment. AVAILABILITY AND IMPLEMENTATION Our algorithm is implemented in an R package available from https://github.com/ScialdoneLab/COMUNET, along with all the code to perform the analyses reported here. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Maria Solovey
- Institute of Computational Biology, Helmholtz Zentrum München – German Research Center for Environmental Health, Neuherberg 85764, Germany
- Institute of Epigenetics and Stem Cells, Helmholtz Zentrum München – German Research Center for Environmental Health, München 81377, Germany
- Institute of Functional Epigenetics, Helmholtz Zentrum München – German Research Center for Environmental Health, Neuherberg 85764, Germany
| | - Antonio Scialdone
- Institute of Computational Biology, Helmholtz Zentrum München – German Research Center for Environmental Health, Neuherberg 85764, Germany
- Institute of Epigenetics and Stem Cells, Helmholtz Zentrum München – German Research Center for Environmental Health, München 81377, Germany
- Institute of Functional Epigenetics, Helmholtz Zentrum München – German Research Center for Environmental Health, Neuherberg 85764, Germany
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261
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Ikonomi N, Kühlwein SD, Schwab JD, Kestler HA. Awakening the HSC: Dynamic Modeling of HSC Maintenance Unravels Regulation of the TP53 Pathway and Quiescence. Front Physiol 2020; 11:848. [PMID: 32848827 PMCID: PMC7411231 DOI: 10.3389/fphys.2020.00848] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/24/2020] [Indexed: 12/22/2022] Open
Abstract
Hematopoietic stem cells (HSCs) provide all types of blood cells during the entire life of the organism. HSCs are mainly quiescent and can eventually enter the cell cycle to differentiate. HSCs are maintained and tightly regulated in a particular environment. The stem cell niche regulates dormancy and awakening. Deregulations of this interplay can lead to hematopoietic failure and diseases. In this paper, we present a Boolean network model that recapitulates HSC regulation in virtue of external signals coming from the niche. This Boolean network integrates and summarizes the current knowledge of HSC regulation and is based on extensive literature research. Furthermore, dynamic simulations suggest a novel systemic regulation of TP53 in homeostasis. Thereby, our model indicates that TP53 activity is balanced depending on external stimulations, engaging a regulatory mechanism involving ROS regulators and RAS activated transcription factors. Finally, we investigated different mouse models and compared them to in silico knockout simulations. Here, the model could recapitulate in vivo observed behaviors and thus sustains our results.
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Affiliation(s)
- Nensi Ikonomi
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Silke D Kühlwein
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Julian D Schwab
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Hans A Kestler
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
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262
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An Overview of Different Strategies to Recreate the Physiological Environment in Experimental Erythropoiesis. Int J Mol Sci 2020; 21:ijms21155263. [PMID: 32722249 PMCID: PMC7432157 DOI: 10.3390/ijms21155263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/19/2022] Open
Abstract
Human erythropoiesis is a complex process leading to the production of mature, enucleated erythrocytes (RBCs). It occurs mainly at bone marrow (BM), where hematopoietic stem cells (HSCs) are engaged in the early erythroid differentiation to commit into erythroid progenitor cells (burst-forming unit erythroid (BFU-E) and colony-forming unit erythroid (CFU-E)). Then, during the terminal differentiation, several erythropoietin-induced signaling pathways trigger the differentiation of CFU-E on successive stages from pro-erythroblast to reticulocytes. The latter are released into the circulation, finalizing their maturation into functional RBCs. This process is finely regulated by the physiological environment including the erythroblast-macrophage interaction in the erythroblastic island (EBI). Several human diseases have been associated with ineffective erythropoiesis, either by a defective or an excessive production of RBCs, as well as an increase or a hemoglobinization defect. Fully understanding the production of mature red blood cells is crucial for the comprehension of erythroid pathologies as well as to the field of transfusion. Many experimental approaches have been carried out to achieve a complete differentiation in vitro to produce functional biconcave mature RBCs. However, the various protocols usually fail to achieve enough quantities of completely mature RBCs. In this review, we focus on the evolution of erythropoiesis studies over the years, taking special interest in efforts that were made to include the microenvironment and erythroblastic islands paradigm. These more physiological approaches will contribute to a deeper comprehension of erythropoiesis, improve the treatment of dyserythropoietic disorders, and break through the barriers in massive RBCs production for transfusion.
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263
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Liesveld JL, Sharma N, Aljitawi OS. Stem cell homing: From physiology to therapeutics. Stem Cells 2020; 38:1241-1253. [PMID: 32526037 DOI: 10.1002/stem.3242] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 05/20/2020] [Accepted: 05/24/2020] [Indexed: 12/13/2022]
Abstract
Stem cell homing is a multistep endogenous physiologic process that is also used by exogenously administered hematopoietic stem and progenitor cells (HSPCs). This multistep process involves cell migration and is essential for hematopoietic stem cell transplantation. The process can be manipulated to enhance ultimate engraftment potential, and understanding stem cell homing is also important to the understanding of stem cell mobilization. Homing is also of potential importance in the recruitment of marrow mesenchymal stem and stromal cells (MSCs) to sites of injury and regeneration. This process is less understood but assumes importance when these cells are used for repair purposes. In this review, the process of HSPC and MSC homing is examined, as are methods to enhance this process.
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Affiliation(s)
- Jane L Liesveld
- James P. Wilmot Cancer Institute, Department of Medicine, University of Rochester, Rochester, New York, USA
| | - Naman Sharma
- James P. Wilmot Cancer Institute, Department of Medicine, University of Rochester, Rochester, New York, USA
| | - Omar S Aljitawi
- James P. Wilmot Cancer Institute, Department of Medicine, University of Rochester, Rochester, New York, USA
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264
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Lactate released by inflammatory bone marrow neutrophils induces their mobilization via endothelial GPR81 signaling. Nat Commun 2020; 11:3547. [PMID: 32669546 PMCID: PMC7363928 DOI: 10.1038/s41467-020-17402-2] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 06/22/2020] [Indexed: 12/12/2022] Open
Abstract
Neutrophils provide first line of host defense against bacterial infections utilizing glycolysis for their effector functions. How glycolysis and its major byproduct lactate are triggered in bone marrow (BM) neutrophils and their contribution to neutrophil mobilization in acute inflammation is not clear. Here we report that bacterial lipopolysaccharides (LPS) or Salmonella Typhimurium triggers lactate release by increasing glycolysis, NADPH-oxidase-mediated reactive oxygen species and HIF-1α levels in BM neutrophils. Increased release of BM lactate preferentially promotes neutrophil mobilization by reducing endothelial VE-Cadherin expression, increasing BM vascular permeability via endothelial lactate-receptor GPR81 signaling. GPR81-/- mice mobilize reduced levels of neutrophils in response to LPS, unless rescued by VE-Cadherin disrupting antibodies. Lactate administration also induces release of the BM neutrophil mobilizers G-CSF, CXCL1 and CXCL2, indicating that this metabolite drives neutrophil mobilization via multiple pathways. Our study reveals a metabolic crosstalk between lactate-producing neutrophils and BM endothelium, which controls neutrophil mobilization under bacterial infection.
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265
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Kurenkova AD, Medvedeva EV, Newton PT, Chagin AS. Niches for Skeletal Stem Cells of Mesenchymal Origin. Front Cell Dev Biol 2020; 8:592. [PMID: 32754592 PMCID: PMC7366157 DOI: 10.3389/fcell.2020.00592] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 06/17/2020] [Indexed: 12/16/2022] Open
Abstract
With very few exceptions, all adult tissues in mammals are maintained and can be renewed by stem cells that self-renew and generate the committed progeny required. These functions are regulated by a specific and in many ways unique microenvironment in stem cell niches. In most cases disruption of an adult stem cell niche leads to depletion of stem cells, followed by impairment of the ability of the tissue in question to maintain its functions. The presence of stem cells, often referred to as mesenchymal stem cells (MSCs) or multipotent bone marrow stromal cells (BMSCs), in the adult skeleton has long been realized. In recent years there has been exceptional progress in identifying and characterizing BMSCs in terms of their capacity to generate specific types of skeletal cells in vivo. Such BMSCs are often referred to as skeletal stem cells (SSCs) or skeletal stem and progenitor cells (SSPCs), with the latter term being used throughout this review. SSPCs have been detected in the bone marrow, periosteum, and growth plate and characterized in vivo on the basis of various genetic markers (i.e., Nestin, Leptin receptor, Gremlin1, Cathepsin-K, etc.). However, the niches in which these cells reside have received less attention. Here, we summarize the current scientific literature on stem cell niches for the SSPCs identified so far and discuss potential factors and environmental cues of importance in these niches in vivo. In this context we focus on (i) articular cartilage, (ii) growth plate cartilage, (iii) periosteum, (iv) the adult endosteal compartment, and (v) the developing endosteal compartment, in that order.
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Affiliation(s)
- Anastasiia D Kurenkova
- Institute for Regenerative Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Ekaterina V Medvedeva
- Institute for Regenerative Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Phillip T Newton
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Andrei S Chagin
- Institute for Regenerative Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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266
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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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267
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Upadhaya S, Krichevsky O, Akhmetzyanova I, Sawai CM, Fooksman DR, Reizis B. Intravital Imaging Reveals Motility of Adult Hematopoietic Stem Cells in the Bone Marrow Niche. Cell Stem Cell 2020; 27:336-345.e4. [PMID: 32589864 DOI: 10.1016/j.stem.2020.06.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/28/2020] [Accepted: 06/02/2020] [Indexed: 01/05/2023]
Abstract
Adult mammalian hematopoietic stem cells (HSCs) reside in the bone marrow (BM) but can be mobilized into blood for use in transplantation. HSCs interact with BM niche cells that produce growth factor c-Kit ligand (Kitl/SCF) and chemokine CXCL12, and were thought to be static and sessile. We used two-photon laser scanning microscopy to visualize genetically labeled HSCs in the BM of live mice for several hours. The majority of HSCs showed a dynamic non-spherical morphology and significant motility, undergoing slow processive motion interrupted by short stretches of confined motion. HSCs moved in the perivascular space and showed intermittent close contacts with SCF-expressing perivascular stromal cells. In contrast, mobilization-inducing blockade of CXCL12 receptor CXCR4 and integrins rapidly abrogated HSC motility and shape dynamics in real time. Our results reveal an unexpectedly dynamic nature of HSC residence in the BM and interaction with the SCF+ stromal niche, which is disrupted during HSC mobilization.
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Affiliation(s)
- Samik Upadhaya
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Oleg Krichevsky
- Physics Department, Ben Gurion University of the Negev, Beer-Sheva 84105, Israel
| | | | - Catherine M Sawai
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; INSERM Unit 1218 ACTION Laboratory, University of Bordeaux, Bergonié Cancer Institute, 33076 Bordeaux, France
| | - David R Fooksman
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Boris Reizis
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA.
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268
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Abstract
The bone marrow (BM) is the primary site of postnatal hematopoiesis and hematopoietic stem cell (HSC) maintenance. The BM HSC niche is an essential microenvironment which evolves and responds to the physiological demands of HSCs. It is responsible for orchestrating the fate of HSCs and tightly regulates the processes that occur in the BM, including self-renewal, quiescence, engraftment, and lineage differentiation. However, the BM HSC niche is disturbed following hematological stress such as hematological malignancies, ionizing radiation, and chemotherapy, causing the cellular composition to alter and remodeling to occur. Consequently, hematopoietic recovery has been the focus of many recent studies and elucidating these mechanisms has great biological and clinical relevance, namely to exploit these mechanisms as a therapeutic treatment for hematopoietic malignancies and improve regeneration following BM injury. The sympathetic nervous system innervates the BM niche and regulates the migration of HSCs in and out of the BM under steady state. However, recent studies have investigated how sympathetic innervation and signaling are dysregulated under stress and the subsequent effect they have on hematopoiesis. Here, we provide an overview of distinct BM niches and how they contribute to HSC regulatory processes with a particular focus on neuronal regulation of HSCs under steady state and stress hematopoiesis.
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Affiliation(s)
- Claire Fielding
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
| | - Simón Méndez-Ferrer
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
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269
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Gomes AC, Saraiva M, Gomes MS. The bone marrow hematopoietic niche and its adaptation to infection. Semin Cell Dev Biol 2020; 112:37-48. [PMID: 32553581 DOI: 10.1016/j.semcdb.2020.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 05/14/2020] [Accepted: 05/19/2020] [Indexed: 12/13/2022]
Abstract
Hematopoiesis is responsible for the formation of all blood cells from hematopoietic stem cells (HSC) in the bone marrow (BM). It is a highly regulated process, in order to adapt its cellular output to changing body requirements. Specific microenvironmental conditions within the BM must exist in order to maintain HSC pluripotency and self-renewal, as well as to ensure appropriate differentiation of progenitor cells towards each hematopoietic lineage. Those conditions were coined "the hematopoietic niche" and their identity in terms of cell types, location and soluble molecular components has been the subject of intense research in the last decades. Infections are one of the environmental challenges to which hematopoiesis must respond, to feed the immune system with functional cell components and compensate for cellular losses. However, how infections impact the bone marrow hematopoietic niche(s) remains elusive and most of the mechanisms involved are still largely unknown. Here, we review the most recent advances on our knowledge on the hematopoietic niche composition and regulation during homeostasis and also on how the niche responds to infectious stress.
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Affiliation(s)
- Ana Cordeiro Gomes
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal; Departamento de Biologia Molecular, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Margarida Saraiva
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - Maria Salomé Gomes
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal; Departamento de Biologia Molecular, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
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270
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Park SY, Matte A, Jung Y, Ryu J, Anand WB, Han EY, Liu M, Carbone C, Melisi D, Nagasawa T, Locascio JJ, Lin CP, Silberstein LE, De Franceschi L. Pathologic angiogenesis in the bone marrow of humanized sickle cell mice is reversed by blood transfusion. Blood 2020; 135:2071-2084. [PMID: 31990287 PMCID: PMC7273832 DOI: 10.1182/blood.2019002227] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 01/18/2020] [Indexed: 12/27/2022] Open
Abstract
Sickle cell disease (SCD) is a monogenic red blood cell (RBC) disorder with high morbidity and mortality. Here, we report, for the first time, the impact of SCD on the bone marrow (BM) vascular niche, which is critical for hematopoiesis. In SCD mice, we find a disorganized and structurally abnormal BM vascular network of increased numbers of highly tortuous arterioles occupying the majority of the BM cavity, as well as fragmented sinusoidal vessels filled with aggregates of erythroid and myeloid cells. By in vivo imaging, sickle and control RBCs have significantly slow intravascular flow speeds in sickle cell BM but not in control BM. In sickle cell BM, we find increased reactive oxygen species production in expanded erythroblast populations and elevated levels of HIF-1α. The SCD BM exudate exhibits increased levels of proangiogenic growth factors and soluble vascular cell adhesion molecule-1. Transplantation of SCD mouse BM cells into wild-type mice recapitulates the SCD vascular phenotype. Our data provide a model of SCD BM, in which slow RBC flow and vaso-occlusions further diminish local oxygen availability in the physiologic hypoxic BM cavity. These events trigger a milieu that is conducive to aberrant vessel growth. The distorted neovascular network is completely reversed by a 6-week blood transfusion regimen targeting hemoglobin S to <30%, highlighting the plasticity of the vascular niche. A better insight into the BM microenvironments in SCD might provide opportunities to optimize approaches toward efficient and long-term hematopoietic engraftment in the context of curative therapies.
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Affiliation(s)
- Shin-Young Park
- Transfusion Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Alessandro Matte
- Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
| | - Yookyung Jung
- Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science, Seoul, Republic of Korea
- Center for Systems Biology and Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Jina Ryu
- Transfusion Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Wilson Babu Anand
- Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
| | - Eun-Young Han
- Transfusion Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Min Liu
- Transfusion Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Carmine Carbone
- Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
| | - Davide Melisi
- Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
| | - Takashi Nagasawa
- Laboratory of Stem Cell Biology and Developmental Immunology, Graduate School of Frontier Biosciences and Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Joseph J Locascio
- Massachusetts Alzheimer's Disease Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA; and
| | - Charles P Lin
- Center for Systems Biology and Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Leslie E Silberstein
- Transfusion Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
| | - Lucia De Franceschi
- Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
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271
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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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272
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Ramakrishnan R, Peña-Martínez P, Agarwal P, Rodriguez-Zabala M, Chapellier M, Högberg C, Eriksson M, Yudovich D, Shah M, Ehinger M, Nilsson B, Larsson J, Hagström-Andersson A, Ebert BL, Bhatia R, Järås M. CXCR4 Signaling Has a CXCL12-Independent Essential Role in Murine MLL-AF9-Driven Acute Myeloid Leukemia. Cell Rep 2020; 31:107684. [PMID: 32460032 PMCID: PMC8109054 DOI: 10.1016/j.celrep.2020.107684] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 02/28/2020] [Accepted: 05/04/2020] [Indexed: 02/07/2023] Open
Abstract
Acute myeloid leukemia (AML) is defined by an accumulation of immature myeloid blasts in the bone marrow. To identify key dependencies of AML stem cells in vivo, here we use a CRISPR-Cas9 screen targeting cell surface genes in a syngeneic MLL-AF9 AML mouse model and show that CXCR4 is a top cell surface regulator of AML cell growth and survival. Deletion of Cxcr4 in AML cells eradicates leukemia cells in vivo without impairing their homing to the bone marrow. In contrast, the CXCR4 ligand CXCL12 is dispensable for leukemia development in recipient mice. Moreover, expression of mutated Cxcr4 variants reveals that CXCR4 signaling is essential for leukemia cells. Notably, loss of CXCR4 signaling in leukemia cells leads to oxidative stress and differentiation in vivo. Taken together, our results identify CXCR4 signaling as essential for AML stem cells by protecting them from differentiation independent of CXCL12 stimulation.
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Affiliation(s)
| | | | - Puneet Agarwal
- Division of Hematology & Oncology, University of Alabama Birmingham, Birmingham, AL 35233, USA
| | | | | | - Carl Högberg
- Division of Clinical Genetics, Lund University, Lund 22184, Sweden
| | - Mia Eriksson
- Division of Clinical Genetics, Lund University, Lund 22184, Sweden
| | - David Yudovich
- Division of Molecular Medicine and Gene Therapy, Lund University, Lund 22184, Sweden
| | - Mansi Shah
- Division of Hematology & Oncology, University of Alabama Birmingham, Birmingham, AL 35233, USA
| | - Mats Ehinger
- Division of Pathology, Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund 22184, Sweden
| | - Björn Nilsson
- Division of Hematology and Transfusion Medicine, Lund University, Lund 22184, Sweden
| | - Jonas Larsson
- Division of Molecular Medicine and Gene Therapy, Lund University, Lund 22184, Sweden
| | | | - Benjamin L Ebert
- Division of Hematology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Ravi Bhatia
- Division of Hematology & Oncology, University of Alabama Birmingham, Birmingham, AL 35233, USA
| | - Marcus Järås
- Division of Clinical Genetics, Lund University, Lund 22184, Sweden.
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273
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Pancreatic Cancer Associated Fibroblasts (CAF): Under-Explored Target for Pancreatic Cancer Treatment. Cancers (Basel) 2020; 12:cancers12051347. [PMID: 32466266 PMCID: PMC7281461 DOI: 10.3390/cancers12051347] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/12/2020] [Accepted: 05/19/2020] [Indexed: 02/07/2023] Open
Abstract
Pancreatic cancer is the 4th leading cause of cancer deaths in the United States. The pancreatic cancer phenotype is primarily a consequence of oncogenes disturbing the resident pancreas parenchymal cell repair program. Many solid tumor types including pancreatic cancer have severe tumor fibrosis called desmoplasia. Desmoplastic stroma is coopted by the tumor as a support structure and CAFs aid in tumor growth, invasion, and metastases. This stroma is caused by cancer associated fibroblasts (CAFs), which lay down extensive connective tissue in and around the tumor cells. CAFs represent a heterogeneous population of cells that produce various paracrine molecules such as transforming growth factor-beta (TGF-beta) and platelet derived growth factors (PDGFs) that aid tumor growth, local invasion, and development of metastases. The hard, fibrotic shell of desmoplasia serves as a barrier to the infiltration of both chemo- and immunotherapy drugs and host immune cells to the tumor. Although there have been recent improvements in chemotherapy and surgical techniques for management of pancreatic cancer, the majority of patients will die from this disease. Therefore, new treatment strategies are clearly needed. CAFs represent an under-explored potential therapeutic target. This paper discusses what we know about the role of CAFs in pancreatic cancer cell growth, invasion, and metastases. Additionally, we present different strategies that are being and could be explored as anti-CAF treatments for pancreatic cancer.
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274
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Talepoor AG, Fouladseresht H, Khosropanah S, Doroudchi M. Immune-Inflammation in Atherosclerosis: A New Twist in an Old Tale. Endocr Metab Immune Disord Drug Targets 2020; 20:525-545. [DOI: 10.2174/1871530319666191016095725] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/26/2019] [Accepted: 09/23/2019] [Indexed: 12/27/2022]
Abstract
Background and Objective:Atherosclerosis, a chronic and progressive inflammatory disease, is triggered by the activation of endothelial cells followed by infiltration of innate and adaptive immune cells including monocytes and T cells in arterial walls. Major populations of T cells found in human atherosclerotic lesions are antigen-specific activated CD4+ effectors and/or memory T cells from Th1, Th17, Th2 and Treg subsets. In this review, we will discuss the significance of T cell orchestrated immune inflammation in the development and progression of atherosclerosis.Discussion:Pathogen/oxidative stress/lipid induced primary endothelial wound cannot develop to a full-blown atherosclerotic lesion in the absence of chronically induced inflammation. While the primary inflammatory response might be viewed as a lone innate response, the persistence of such a profound response over time must be (and is) associated with diverse local and systemic T cell responses. The interplay between T cells and innate cells contributes to a phenomenon called immuneinflammation and has an impact on the progression and outcome of the lesion. In recent years immuneinflammation, an old term, has had a comeback in connecting the puzzle pieces of chronic inflammatory diseases.Conclusion:Taking one-step back and looking from afar at the players of immune-inflammation may help us provide a broader perspective of these complicated interactions. This may lead to the identification of new drug targets and the development of new therapies as well as preventative measures.
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Affiliation(s)
- Atefe Ghamar Talepoor
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamed Fouladseresht
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shahdad Khosropanah
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehrnoosh Doroudchi
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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275
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Bianchini M, Duchêne J, Santovito D, Schloss MJ, Evrard M, Winkels H, Aslani M, Mohanta SK, Horckmans M, Blanchet X, Lacy M, von Hundelshausen P, Atzler D, Habenicht A, Gerdes N, Pelisek J, Ng LG, Steffens S, Weber C, Megens RTA. PD-L1 expression on nonclassical monocytes reveals their origin and immunoregulatory function. Sci Immunol 2020; 4:4/36/eaar3054. [PMID: 31227596 DOI: 10.1126/sciimmunol.aar3054] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 02/01/2019] [Accepted: 05/20/2019] [Indexed: 12/12/2022]
Abstract
The role of nonclassical monocytes (NCMs) in health and disease is emerging, but their location and function within tissues remain poorly explored. Imaging of NCMs has been limited by the lack of an established single NCM marker. Here, we characterize the immune checkpoint molecule PD-L1 (CD274) as an unequivocal marker for tracking NCMs in circulation and pinpoint their compartmentalized distribution in tissues by two-photon microscopy. Visualization of PD-L1+ NCMs in relation to bone marrow vasculature reveals that conversion of classical monocytes into NCMs requires contact with endosteal vessels. Furthermore, PD-L1+ NCMs are present in tertiary lymphoid organs (TLOs) under inflammatory conditions in both mice and humans, and NCMs exhibit a PD-L1-dependent immunomodulatory function that promotes T cell apoptosis within TLOs. Our findings establish an unambiguous tool for the investigation of NCMs and shed light on their origin and function.
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Affiliation(s)
- Mariaelvy Bianchini
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Johan Duchêne
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany.
| | - Donato Santovito
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Maximilian J Schloss
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Maximilien Evrard
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648 Singapore.,School of Biological Sciences, Nanyang Technological University, 637551 Singapore
| | - Holger Winkels
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Maria Aslani
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Sarajo K Mohanta
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Michael Horckmans
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Xavier Blanchet
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Michael Lacy
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Philipp von Hundelshausen
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
| | - Dorothee Atzler
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany.,Walther Straub Institute of Pharmacology and Toxicology, University of Munich, 80336 Munich, Germany
| | - Andreas Habenicht
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany
| | - Norbert Gerdes
- Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Jaroslav Pelisek
- Department of Vascular and Endovascular Surgery, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648 Singapore.,School of Biological Sciences, Nanyang Technological University, 637551 Singapore
| | - Sabine Steffens
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
| | - Christian Weber
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany. .,Cardiovascular Research Institute Maastricht, University of Maastricht, 6229 ER, Maastricht, Netherlands
| | - Remco T A Megens
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU), 80336 Munich, Germany.,Cardiovascular Research Institute Maastricht, University of Maastricht, 6229 ER, Maastricht, Netherlands
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276
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Bogdanova A, Kaestner L, Simionato G, Wickrema A, Makhro A. Heterogeneity of Red Blood Cells: Causes and Consequences. Front Physiol 2020; 11:392. [PMID: 32457644 PMCID: PMC7221019 DOI: 10.3389/fphys.2020.00392] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022] Open
Abstract
Mean values of hematological parameters are currently used in the clinical laboratory settings to characterize red blood cell properties. Those include red blood cell indices, osmotic fragility test, eosin 5-maleimide (EMA) test, and deformability assessment using ektacytometry to name a few. Diagnosis of hereditary red blood cell disorders is complemented by identification of mutations in distinct genes that are recognized "molecular causes of disease." The power of these measurements is clinically well-established. However, the evidence is growing that the available information is not enough to understand the determinants of severity of diseases and heterogeneity in manifestation of pathologies such as hereditary hemolytic anemias. This review focuses on an alternative approach to assess red blood cell properties based on heterogeneity of red blood cells and characterization of fractions of cells with similar properties such as density, hydration, membrane loss, redox state, Ca2+ levels, and morphology. Methodological approaches to detect variance of red blood cell properties will be presented. Causes of red blood cell heterogeneity include cell age, environmental stress as well as shear and metabolic stress, and multiple other factors. Heterogeneity of red blood cell properties is also promoted by pathological conditions that are not limited to the red blood cells disorders, but inflammatory state, metabolic diseases and cancer. Therapeutic interventions such as splenectomy and transfusion as well as drug administration also impact the variance in red blood cell properties. Based on the overview of the studies in this area, the possible applications of heterogeneity in red blood cell properties as prognostic and diagnostic marker commenting on the power and selectivity of such markers are discussed.
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Affiliation(s)
- Anna Bogdanova
- Red Blood Cell Research Group, Vetsuisse Faculty, The Zurich Center for Integrative Human Physiology (ZHIP), Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland
| | - Lars Kaestner
- Experimental Physics, Dynamics of Fluids, Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
- Theoretical Medicine and Biosciences, Medical Faculty, Saarland University, Homburg, Germany
| | - Greta Simionato
- Experimental Physics, Dynamics of Fluids, Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
| | - Amittha Wickrema
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL, United States
| | - Asya Makhro
- Red Blood Cell Research Group, Vetsuisse Faculty, The Zurich Center for Integrative Human Physiology (ZHIP), Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland
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277
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Méndez-Ferrer S, Bonnet D, Steensma DP, Hasserjian RP, Ghobrial IM, Gribben JG, Andreeff M, Krause DS. Bone marrow niches in haematological malignancies. Nat Rev Cancer 2020; 20:285-298. [PMID: 32112045 PMCID: PMC9912977 DOI: 10.1038/s41568-020-0245-2] [Citation(s) in RCA: 260] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/03/2020] [Indexed: 02/06/2023]
Abstract
Haematological malignancies were previously thought to be driven solely by genetic or epigenetic lesions within haematopoietic cells. However, the niches that maintain and regulate daily production of blood and immune cells are now increasingly being recognized as having an important role in the pathogenesis and chemoresistance of haematological malignancies. Within haematopoietic cells, the accumulation of a small number of recurrent mutations initiates malignancy. Concomitantly, specific alterations of the niches, which support haematopoietic stem cells and their progeny, can act as predisposition events, facilitating mutant haematopoietic cell survival and expansion as well as contributing to malignancy progression and providing protection of malignant cells from chemotherapy, ultimately leading to relapse. In this Perspective, we summarize our current understanding of the composition and function of the specialized haematopoietic niches of the bone marrow during health and disease. We discuss disease mechanisms (rather than malignancy subtypes) to provide a comprehensive description of key niche-associated pathways that are shared across multiple haematological malignancies. These mechanisms include primary driver mutations in bone marrow niche cells, changes associated with increased hypoxia, angiogenesis and inflammation as well as metabolic reprogramming by stromal niche cells. Consequently, remodelling of bone marrow niches can facilitate immune evasion and activation of survival pathways favouring malignant haematopoietic cell maintenance, defence against excessive reactive oxygen species and protection from chemotherapy. Lastly, we suggest guidelines for the handling and biobanking of patient samples and analysis of the niche to ensure that basic research identifying therapeutic targets can be more efficiently translated to the clinic. The hope is that integrating knowledge of how bone marrow niches contribute to haematological disease predisposition, initiation, progression and response to therapy into future clinical practice will likely improve the treatment of these disorders.
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Affiliation(s)
- Simón Méndez-Ferrer
- Wellcome Trust - Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK.
- National Health Service Blood and Transplant, Cambridge, UK.
- Department of Haematology, University of Cambridge, Cambridge, UK.
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London, UK
| | - David P Steensma
- Harvard Medical School, Boston, MA, USA
- The Center for Prevention of Progression of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Robert P Hasserjian
- Harvard Medical School, Boston, MA, USA
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Irene M Ghobrial
- Harvard Medical School, Boston, MA, USA
- The Center for Prevention of Progression of Blood Cancers, Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - John G Gribben
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Michael Andreeff
- Section of Molecular Hematology and Therapy, Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Daniela S Krause
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Medicine, Frankfurt, Germany
- Goethe University Frankfurt, Frankfurt, Germany
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278
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Gadomski S, Singh SK, Singh S, Sarkar T, Klarmann KD, Berenschot M, Seaman S, Jakubison B, Gudmundsson KO, Lockett S, Keller JR. Id1 and Id3 Maintain Steady-State Hematopoiesis by Promoting Sinusoidal Endothelial Cell Survival and Regeneration. Cell Rep 2020; 31:107572. [PMID: 32348770 PMCID: PMC8459380 DOI: 10.1016/j.celrep.2020.107572] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/19/2020] [Accepted: 04/02/2020] [Indexed: 02/08/2023] Open
Abstract
Investigating mechanisms that regulate endothelial cell (EC) growth and survival is important for understanding EC homeostasis and how ECs maintain stem cell niches. We report here that targeted loss of Id genes in adult ECs results in dilated, leaky sinusoids and a pro-inflammatory state that increases in severity over time. Disruption in sinusoidal integrity leads to increased hematopoietic stem cell (HSC) proliferation, differentiation, migration, and exhaustion. Mechanistically, sinusoidal ECs (SECs) show increased apoptosis because of reduced Bcl2-family gene expression following Id gene ablation. Furthermore, Id1-/-Id3-/- SECs and upstream type H vessels show increased expression of cyclin-dependent kinase inhibitors p21 and p27 and impaired ability to proliferate, which is rescued by reducing E2-2 expression. Id1-/-Id3-/- mice do not survive sublethal irradiation because of impaired vessel regeneration and hematopoietic failure. Thus, Id genes are required for the survival and regeneration of BM SECs during homeostasis and stress to maintain HSC development.
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Affiliation(s)
- Stephen Gadomski
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Satyendra K Singh
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Shweta Singh
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Tanmoy Sarkar
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Kimberly D Klarmann
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA; Basic Science Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | - Maximillian Berenschot
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Steven Seaman
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA
| | - Brad Jakubison
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA; Basic Science Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | - Kristbjorn O Gudmundsson
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA; Basic Science Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | - Stephen Lockett
- Optical Microscopy and Analysis Laboratory, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | - Jonathan R Keller
- Mouse Cancer Genetics Program, Center for Cancer Research, NCI, Frederick, MD 21702, USA; Basic Science Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA.
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279
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Jarajapu YPR. Targeting Angiotensin-Converting Enzyme-2/Angiotensin-(1-7)/Mas Receptor Axis in the Vascular Progenitor Cells for Cardiovascular Diseases. Mol Pharmacol 2020; 99:29-38. [PMID: 32321734 DOI: 10.1124/mol.119.117580] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 03/31/2020] [Indexed: 12/20/2022] Open
Abstract
Bone marrow-derived hematopoietic stem/progenitor cells are vasculogenic and play an important role in endothelial health and vascular homeostasis by participating in postnatal vasculogenesis. Progenitor cells are mobilized from bone marrow niches in response to remote ischemic injury and migrate to the areas of damage and stimulate revascularization largely by paracrine activation of angiogenic functions in the peri-ischemic vasculature. This innate vasoprotective mechanism is impaired in certain chronic clinical conditions, which leads to the development of cardiovascular complications. Members of the renin-angiotensin system-angiotensin-converting enzymes (ACEs) ACE and ACE2, angiotensin II (Ang II), Ang-(1-7), and receptors AT1 and Mas-are expressed in vasculogenic progenitor cells derived from humans and rodents. Ang-(1-7), generated by ACE2, is known to produce cardiovascular protective effects by acting on Mas receptor and is considered as a counter-regulatory mechanism to the detrimental effects of Ang II. Evidence has now been accumulating in support of the activation of the ACE2/Ang-(1-7)/Mas receptor pathway by pharmacologic or molecular maneuvers, which stimulates mobilization of progenitor cells from bone marrow, migration to areas of vascular damage, and revascularization of ischemic areas in pathologic conditions. This minireview summarizes recent studies that have enhanced our understanding of the physiology and pharmacology of vasoprotective axis in bone marrow-derived progenitor cells in health and disease. SIGNIFICANCE STATEMENT: Hematopoietic stem progenitor cells (HSPCs) stimulate revascularization of ischemic areas. However, the reparative potential is diminished in certain chronic clinical conditions, leading to the development of cardiovascular diseases. ACE2 and Mas receptor are key members of the alternative axis of the renin-angiotensin system and are expressed in HSPCs. Accumulating evidence points to activation of ACE2 or Mas receptor as a promising approach for restoring the reparative potential, thereby preventing the development of ischemic vascular diseases.
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Affiliation(s)
- Yagna P R Jarajapu
- Department of Pharmaceutical Sciences, College of Health Professions, North Dakota State University, Fargo, North Dakota
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280
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Varlamov O, Bucher M, Myatt L, Newman N, Grant KA. Daily Ethanol Drinking Followed by an Abstinence Period Impairs Bone Marrow Niche and Mitochondrial Function of Hematopoietic Stem/Progenitor Cells in Rhesus Macaques. Alcohol Clin Exp Res 2020; 44:1088-1098. [PMID: 32220015 DOI: 10.1111/acer.14328] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 03/16/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Unhealthy consumption of alcohol is a major public health crisis with strong associations between immunological dysfunctions, high vulnerability to infectious disease, anemia, and an increase in the risk of hematological malignancies. However, there is a lack of studies addressing alcohol-induced changes in bone marrow (BM) and hematopoiesis as fundamental aspects of immune system function. METHODS To address the effect of chronic alcohol consumption on hematopoietic stem and progenitor cells (HSPCs) and the BM niche, we used an established rhesus macaque model of voluntary alcohol drinking. A cohort of young adult male rhesus macaques underwent a standard ethanol self-administration protocol that allowed a choice of drinking alcohol or water 22 hours/day with periods of forced abstinence that elevated subsequent intakes when alcohol availability resumed. Following the last month of forced abstinence, the monkeys were euthanized. HSPCs and bone samples were collected and analyzed in functional assays and by confocal microscopy. RESULTS HSPCs from alcohol animals exhibited reduced ability to form granulocyte-monocyte and erythroid colonies in vitro. HSPCs also displayed a decrease in mitochondrial oxygen consumption linked to ATP production and basal respiratory capacity. Chronic alcohol use led to vascular remodeling of the BM niche, a reduction in the number of primitive HSPCs, and a shift in localization of HSPCs from an adipose to a perivascular niche. CONCLUSIONS Our study demonstrates, for the first time, that chronic voluntary alcohol drinking in rhesus macaque monkeys leads to the long-term impairment of HSPC function, a reduction in mitochondrial respiratory activity, and alterations in the BM microenvironment. Further studies are needed to determine whether these changes in hematopoiesis are persistent or adaptive during the abstinent period and whether an initial imprinting to alcohol primes BM to become more vulnerable to future exposure to alcohol.
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Affiliation(s)
- Oleg Varlamov
- From the, Division of Cardiometabolic Health, (OV), Oregon National Primate Center, Oregon Health & Science University, Portland, Oregon
| | - Matthew Bucher
- Division of Obstetrics and Gynecology, (MB, LM), Oregon Health & Science University, Portland, Oregon
| | - Leslie Myatt
- Division of Obstetrics and Gynecology, (MB, LM), Oregon Health & Science University, Portland, Oregon
| | - Natali Newman
- Division of Neuroscience, (NN, KAG), Oregon National Primate Center, Oregon Health & Science University, Portland, Oregon
| | - Kathleen A Grant
- Division of Neuroscience, (NN, KAG), Oregon National Primate Center, Oregon Health & Science University, Portland, Oregon
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281
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Morikawa T, Tamaki S, Fujita S, Suematsu M, Takubo K. Identification and local manipulation of bone marrow vasculature during intravital imaging. Sci Rep 2020; 10:6422. [PMID: 32286470 PMCID: PMC7156750 DOI: 10.1038/s41598-020-63533-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 04/01/2020] [Indexed: 02/02/2023] Open
Abstract
Physiological regulation of blood flow in bone marrow is important to maintain oxygen and glucose supplies but also the physiological hypoxic state of the hematopoietic stem cell (HSC) niche. However, regulatory mechanisms underlying microcirculation in the bone marrow (BM) niche remain unclear. Here, we identify vessels functioning in control of blood flow in bone marrow and assess their contractility. To evaluate contractile potential of Alexa Fluor 633 (AF633; an arterial marker)-positive vessels, we performed immunohistochemistry for α-smooth muscle actin (α-SMA) and found it expressed around AF633+ vessels in the femoral and calvarial marrow. To validate AF633+ vessel contractility, we developed a simple system to locally administer vasoactive agents that penetrate BM through transcalvarial vessels. After exposure of the calvarial surface to FITC-dextran (70 kDa), FITC intensity in calvarial bone marrow gradually increased. When we evaluated the effect of transcalvarial administration (TCA) of norepinephrine (NE) on vascular tone of AF633+ arteries and behavior of transplanted blood cells, NE administration decreased artery diameter and transendothelial migration of transplanted cells, suggesting that adrenergic signaling regulates the HSC niche microcirculation and blood cell migration into the BM via effects on BMarteries. We conclude that TCA is a useful tool for bone marrow research.
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Affiliation(s)
- Takayuki Morikawa
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Shinpei Tamaki
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Shinya Fujita
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan.
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282
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Abstract
A central feature of atherosclerosis, the most prevalent chronic vascular disease and root cause of myocardial infarction and stroke, is leukocyte accumulation in the arterial wall. These crucial immune cells are produced in specialized niches in the bone marrow, where a complex cell network orchestrates their production and release. A growing body of clinical studies has documented a correlation between leukocyte numbers and cardiovascular disease risk. Understanding how leukocytes are produced and how they contribute to atherosclerosis and its complications is, therefore, critical to understanding and treating the disease. In this review, we focus on the key cells and products that regulate hematopoiesis under homeostatic conditions, during atherosclerosis and after myocardial infarction.
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Affiliation(s)
- Wolfram C Poller
- From the Center for Systems Biology (W.C.P., M.N., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston
| | - Matthias Nahrendorf
- From the Center for Systems Biology (W.C.P., M.N., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston.,Department of Radiology (M.N., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston
| | - Filip K Swirski
- From the Center for Systems Biology (W.C.P., M.N., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston.,Department of Radiology (M.N., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston
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283
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Zhao M, Tao F, Venkatraman A, Li Z, Smith SE, Unruh J, Chen S, Ward C, Qian P, Perry JM, Marshall H, Wang J, He XC, Li L. N-Cadherin-Expressing Bone and Marrow Stromal Progenitor Cells Maintain Reserve Hematopoietic Stem Cells. Cell Rep 2020; 26:652-669.e6. [PMID: 30650358 DOI: 10.1016/j.celrep.2018.12.093] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 10/31/2018] [Accepted: 12/20/2018] [Indexed: 12/15/2022] Open
Abstract
Regulation of hematopoietic stem cells (HSCs) by bone marrow (BM) niches has been extensively studied; however, whether and how HSC subpopulations are distinctively regulated by BM niches remain unclear. Here, we functionally distinguished reserve HSCs (rHSCs) from primed HSCs (pHSCs) based on their response to chemotherapy and examined how they are dichotomously regulated by BM niches. Both pHSCs and rHSCs supported long-term hematopoiesis in homeostasis; however, pHSCs were sensitive but rHSCs were resistant to chemotherapy. Surviving rHSCs restored the HSC pool and supported hematopoietic regeneration after chemotherapy. The rHSCs were preferentially maintained in the endosteal region that enriches N-cadherin+ (N-cad+) bone-lining cells in homeostasis and post-chemotherapy. N-cad+ cells were functional bone and marrow stromal progenitor cells (BMSPCs), giving rise to osteoblasts, adipocytes, and chondrocytes in vitro and in vivo. Finally, ablation of N-cad+ niche cells or deletion of SCF from N-cad+ niche cells impaired rHSC maintenance during homeostasis and regeneration.
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Affiliation(s)
- Meng Zhao
- Institute of Hematology, the Third Affiliated Hospital of Sun Yat-Sen University; Key Laboratory of Stem Cells and Tissue Engineering Sun Yat-Sen University, Guangzhou 510000, China; Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Fang Tao
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA; Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | | | - Zhenrui Li
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Sarah E Smith
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Jay Unruh
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Shiyuan Chen
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Christina Ward
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Pengxu Qian
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA; Center of Stem Cell and Regenerative Medicine, Institute of Hematology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China 310058
| | - John M Perry
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA; Children's Research Institute, Children's Mercy, Kansas City, MO 64108, USA
| | - Heather Marshall
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Jinxi Wang
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Xi C He
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA
| | - Linheng Li
- Stowers Institute for Medical Research, Kansas City, MO 66110, USA; Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA.
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284
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Robino JJ, Pamir N, Rosario S, Crawford LB, Burwitz BJ, Roberts CT, Kurre P, Varlamov O. Spatial and biochemical interactions between bone marrow adipose tissue and hematopoietic stem and progenitor cells in rhesus macaques. Bone 2020; 133:115248. [PMID: 31972314 PMCID: PMC7085416 DOI: 10.1016/j.bone.2020.115248] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 12/11/2019] [Accepted: 01/18/2020] [Indexed: 01/11/2023]
Abstract
Recent developments in in situ microscopy have enabled unparalleled resolution of the architecture of the bone marrow (BM) niche for murine hematopoietic stem and progenitor cells (HSPCs). However, the extent to which these observations can be extrapolated to human BM remains unknown. In humans, adipose tissue occupies a significant portion of the BM medullary cavity, making quantitative immunofluorescent analysis difficult due to lipid-mediated light scattering. In this study, we employed optical clearing, confocal microscopy and nearest neighbor analysis to determine the spatial distribution of CD34+ HSPCs in the BM in a translationally relevant rhesus macaque model. Immunofluorescent analysis revealed that femoral BM adipocytes are associated with the branches of vascular sinusoids, with half of HSPCs localizing in close proximity of the nearest BM adipocyte. Immunofluorescent microscopy and flow cytometric analysis demonstrate that BM adipose tissue exists as a multicellular niche consisted of adipocytes, endothelial cells, granulocytes, and macrophages. Analysis of BM adipose tissue conditioned media using liquid chromatography-tandem mass spectrometry revealed the presence of multiple bioactive proteins involved in regulation of hematopoiesis, inflammation, and bone development, with many predicted to reside inside microvesicles. Pretreatment of purified HSPCs with BM adipose tissue conditioned media, comprising soluble and exosomal/microvesicle-derived factors, led to enhanced proliferation and an increase in granulocyte-monocyte differentiation potential ex vivo. Our work extends extensive studies in murine models, indicating that BM adipose tissue is a central paracrine regulator of hematopoiesis in nonhuman primates and possibly in humans.
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Affiliation(s)
- Jacob J Robino
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR 97006, USA
| | - Nathalie Pamir
- Department of Medicine, Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR 97239, USA
| | - Sara Rosario
- Department of Medicine, Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR 97239, USA
| | - Lindsey B Crawford
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA
| | - Benjamin J Burwitz
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA; Division of Pathobiology and Immunology, Oregon National Primate Center, USA
| | - Charles T Roberts
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR 97006, USA; Division of Reproductive and Developmental Sciences, Oregon National Primate Center, USA
| | - Peter Kurre
- Comprehensive Bone Marrow Failure Center, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Oleg Varlamov
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR 97006, USA.
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285
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Stefanowski J, Fiedler AF, Köhler M, Günther R, Liublin W, Tschaikner M, Rauch A, Reismann D, Matthys R, Nützi R, Bixel MG, Adams RH, Niesner RA, Duda GN, Hauser AE. Limbostomy: Longitudinal Intravital Microendoscopy in Murine Osteotomies. Cytometry A 2020; 97:483-495. [PMID: 32196971 DOI: 10.1002/cyto.a.23997] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/20/2020] [Accepted: 02/24/2020] [Indexed: 12/28/2022]
Abstract
Bone healing involves the interplay of immune cells, mesenchymal cells, and vasculature over the time course of regeneration. Approaches to quantify the spatiotemporal aspects of bone healing at cellular resolution during long bone healing do not yet exist. Here, a novel technique termed Limbostomy is presented, which combines intravital microendoscopy with an osteotomy. This design allows a modular combination of an internal fixator plate with a gradient refractive index (GRIN) lens at various depths in the bone marrow and can be combined with a surgical osteotomy procedure. The field of view (FOV) covers a significant area of the fracture gap and allows monitoring cellular processes in vivo. The GRIN lens causes intrinsic optical aberrations which have to be corrected. The optical system was characterized and a postprocessing algorithm was developed. It corrects for wave front aberration-induced image plane deformation and for background and noise signals, enabling us to observe subcellular processes. Exemplarily, we quantitatively and qualitatively analyze angiogenesis in bone regeneration. We make use of a transgenic reporter mouse strain with nucleargreen fluorescent protein and membrane-bound tdTomato under the Cadherin-5 promoter. We observe two phases of vascularization. First, rapid vessel sprouting pervades the FOV within 3-4 days after osteotomy. Second, the vessel network continues to be dynamically remodeled until the end of our observation time, 14 days after surgery. Limbostomy opens a unique set of opportunities and allows further insight on spatiotemporal aspects of bone marrow biology, for example, hematopoiesis, analysis of cellular niches, immunological memory, and vascularization in the bone marrow during health and disease. © 2020 The Authors. Cytometry Part A published by Wiley Periodicals, Inc. on behalf of International Society for Advancement of Cytometry.
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Affiliation(s)
- Jonathan Stefanowski
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | - Alexander F Fiedler
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany.,Freie Universitat Berlin, Veterinary Medicine, Dynamic and Functional in vivo Imaging, Berlin, Germany
| | - Markus Köhler
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany.,Freie Universitat Berlin, Veterinary Medicine, Dynamic and Functional in vivo Imaging, Berlin, Germany
| | - Robert Günther
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | - Wjatscheslaw Liublin
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | - Martin Tschaikner
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | - Ariana Rauch
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | - David Reismann
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
| | | | | | | | - Ralf H Adams
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | - Raluca A Niesner
- Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany.,Freie Universitat Berlin, Veterinary Medicine, Dynamic and Functional in vivo Imaging, Berlin, Germany
| | - Georg N Duda
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin Institute of Health Center for Regenerative Therapies, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Julius Wolff Institute, Berlin, Germany
| | - Anja E Hauser
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Berlin, a Leibniz Institute, Berlin, Germany
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286
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Al-Sharea A, Lee MKS, Purton LE, Hawkins ED, Murphy AJ. The haematopoietic stem cell niche: a new player in cardiovascular disease? Cardiovasc Res 2020; 115:277-291. [PMID: 30590405 DOI: 10.1093/cvr/cvy308] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/17/2018] [Indexed: 02/06/2023] Open
Abstract
Haematopoiesis, the process of blood production, can be altered during the initiation or progression of many diseases. Cardiovascular disease (CVD) has been shown to be heavily influenced by changes to the haematopoietic system, including the types and abundance of immune cells produced. It is now well established that innate immune cells are increased in people with CVD, and the mechanisms contributing to this can be vastly different depending on the risk factors or comorbidities present. Many of these changes begin at the level of the haematopoietic stem and progenitor cells (HSPCs) that reside in the bone marrow (BM). In general, the HSPCs and downstream myeloid progenitors are expanded via increased proliferation in the setting of atherosclerotic CVD. However, HSPCs can also be encouraged to leave the BM and colonise extramedullary sites (i.e. the spleen). Within the BM, HSPCs reside in specialized microenvironments, often referred to as a niche. To date in depth studies assessing the damage or dysregulation that occurs in the BM niche in varying CVDs are scarce. In this review, we provide a general overview of the complex components and interactions within the BM niche and how they influence the function of HSPCs. Additionally, we discuss the main findings regarding changes in the HSPC niche that influence the progression of CVD. We hypothesize that understanding the influence of the BM niche in CVD will aid in delineating new pathways for therapeutic interventions.
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Affiliation(s)
- Annas Al-Sharea
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
| | - Man Kit Sam Lee
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
| | | | - Edwin D Hawkins
- Division of Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Andrew J Murphy
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
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287
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Pinho S, Frenette PS. Haematopoietic stem cell activity and interactions with the niche. Nat Rev Mol Cell Biol 2020; 20:303-320. [PMID: 30745579 DOI: 10.1038/s41580-019-0103-9] [Citation(s) in RCA: 577] [Impact Index Per Article: 144.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The haematopoietic stem cell (HSC) microenvironment in the bone marrow, termed the niche, ensures haematopoietic homeostasis by controlling the proliferation, self-renewal, differentiation and migration of HSCs and progenitor cells at steady state and in response to emergencies and injury. Improved methods for HSC isolation, driven by advances in single-cell and molecular technologies, have led to a better understanding of their behaviour, heterogeneity and lineage fate and of the niche cells and signals that regulate their function. Niche regulatory signals can be in the form of cell-bound or secreted factors and other local physical cues. A combination of technological advances in bone marrow imaging and genetic manipulation of crucial regulatory factors has enabled the identification of several candidate cell types regulating the niche, including both non-haematopoietic (for example, perivascular mesenchymal stem and endothelial cells) and HSC-derived (for example, megakaryocytes, macrophages and regulatory T cells), with better topographical understanding of HSC localization in the bone marrow. Here, we review advances in our understanding of HSC regulation by niches during homeostasis, ageing and cancer, and we discuss their implications for the development of therapies to rejuvenate aged HSCs or niches or to disrupt self-reinforcing malignant niches.
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Affiliation(s)
- Sandra Pinho
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY, USA
| | - Paul S Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY, USA. .,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY, USA. .,Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY, USA.
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288
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Abstract
Antibody-secreting plasma cells are the central pillars of humoral immunity. They are generated in a fundamental cellular restructuring process from naive B cells upon contact with antigen. This outstanding process is guided and controlled by a complex transcriptional network accompanied by a fascinating morphological metamorphosis, governed by the combined action of Blimp-1, Xbp-1 and IRF-4. The survival of plasma cells requires the intimate interaction with a specific microenvironment, consisting of stromal cells and cells of hematopoietic origin. Cell-cell contacts, cytokines and availability of metabolites such as glucose and amino acids modulate the survival abilities of plasma cells in their niches. Moreover, plasma cells have been shown to regulate immune responses by releasing cytokines. Furthermore, plasma cells are central players in autoimmune diseases and malignant transformation of plasma cells can result in the generation of multiple myeloma. Hence, the development of sophisticated strategies to deplete autoreactive plasma cells and myeloma cells represents a challenge for current and future research.
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Affiliation(s)
- Wolfgang Schuh
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany.
| | - Dirk Mielenz
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Hans-Martin Jäck
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
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289
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Kim S, Subramanian V, Abdel-Latif A, Lee S. Role of Heparin-Binding Epidermal Growth Factor-Like Growth Factor in Oxidative Stress-Associated Metabolic Diseases. Metab Syndr Relat Disord 2020; 18:186-196. [PMID: 32077785 DOI: 10.1089/met.2019.0120] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Heparin-binding EGF-like growth factor (HB-EGF) is an EGF family member that interacts with epidermal growth factor receptor (EGFR) and ERBB4. Since HB-EGF was first identified as a novel growth factor secreted from a human macrophage cell line, numerous pathological and physiological functions related to cell proliferation, migration, and inflammation have been reported. Notably, the expression of HB-EGF is sensitively upregulated by oxidative stress in the endothelial cells and functions for auto- and paracrine-EGFR signaling. Overnutrition and obesity cause elevation of HB-EGF expression and EGFR signaling in the hepatic and vascular systems. Modulations of HB-EGF signaling showed a series of protections against phenotypes related to metabolic syndrome and advanced metabolic diseases, suggesting HB-EGF as a potential target against metabolic diseases.
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Affiliation(s)
- Seonwook Kim
- Saha Cardiovascular Research Center, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Venkateswaran Subramanian
- Saha Cardiovascular Research Center, University of Kentucky College of Medicine, Lexington, Kentucky, USA.,Department of Physiology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Ahmed Abdel-Latif
- Saha Cardiovascular Research Center, University of Kentucky College of Medicine, Lexington, Kentucky, USA.,Department of Medicine-Cardiology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Sangderk Lee
- Saha Cardiovascular Research Center, University of Kentucky College of Medicine, Lexington, Kentucky, USA.,Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, Kentucky, USA
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290
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Derecka M, Herman JS, Cauchy P, Ramamoorthy S, Lupar E, Grün D, Grosschedl R. EBF1-deficient bone marrow stroma elicits persistent changes in HSC potential. Nat Immunol 2020; 21:261-273. [PMID: 32066955 DOI: 10.1038/s41590-020-0595-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 01/09/2020] [Indexed: 12/11/2022]
Abstract
Crosstalk between mesenchymal stromal cells (MSCs) and hematopoietic stem cells (HSCs) is essential for hematopoietic homeostasis and lineage output. Here, we investigate how transcriptional changes in bone marrow (BM) MSCs result in long-lasting effects on HSCs. Single-cell analysis of Cxcl12-abundant reticular (CAR) cells and PDGFRα+Sca1+ (PαS) cells revealed an extensive cellular heterogeneity but uniform expression of the transcription factor gene Ebf1. Conditional deletion of Ebf1 in these MSCs altered their cellular composition, chromatin structure and gene expression profiles, including the reduced expression of adhesion-related genes. Functionally, the stromal-specific Ebf1 inactivation results in impaired adhesion of HSCs, leading to reduced quiescence and diminished myeloid output. Most notably, HSCs residing in the Ebf1-deficient niche underwent changes in their cellular composition and chromatin structure that persist in serial transplantations. Thus, genetic alterations in the BM niche lead to long-term functional changes of HSCs.
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Affiliation(s)
- Marta Derecka
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.
| | - Josip Stefan Herman
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany.,International Max Planck Research School for Molecular and Cellular Biology, Freiburg, Germany
| | - Pierre Cauchy
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | | | - Ekaterina Lupar
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Dominic Grün
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.,Centre for Integrative Biological Signaling Studies, University of Freiburg, Freiburg, Germany
| | - Rudolf Grosschedl
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.
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291
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Live-animal imaging of native haematopoietic stem and progenitor cells. Nature 2020; 578:278-283. [PMID: 32025033 PMCID: PMC7021587 DOI: 10.1038/s41586-020-1971-z] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 12/06/2019] [Indexed: 12/26/2022]
Abstract
The biology of hematopoietic stem cells (HSCs) has predominantly been studied under transplantation conditions1,2. Particularly challenging has been the study of dynamic HSC behaviors given that live animal HSC visualization in the native niche still represents an elusive goal in the field. Here, we describe a dual genetic strategy in mice that restricts reporter labeling to a subset of the most quiescent long-term HSCs (LT-HSCs) and that is compatible with current intravital imaging approaches in the calvarial bone marrow (BM)3–5. We find that this subset of LT-HSCs resides in close proximity to both sinusoidal blood vessels and the endosteal surface. In contrast, multipotent progenitor cells (MPPs) display a broader distance distribution from the endosteum and are more likely to be associated with transition zone vessels. LT-HSCs are not found in BM niches with the deepest hypoxia and instead are found in similar hypoxic environments as MPPs. In vivo time-lapse imaging reveals that LT-HSCs display limited motility at steady-state. Following activation, LT-HSCs display heterogenous responses, with some cells becoming highly motile and a fraction of HSCs expanding clonally within spatially restricted domains. These domains have defined characteristics, as HSC expansion is found almost exclusively in a subset of BM cavities exhibiting bone-remodeling activities. In contrast, cavities with low bone-resorbing activities do not harbor expanding HSCs. These findings point to a new degree of heterogeneity within the BM microenvironment, imposed by the stages of bone turnover. Overall, our approach enables direct visualization of HSC behaviors and dissection of heterogeneity in HSC niches.
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292
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Witkowski MT, Kousteni S, Aifantis I. Mapping and targeting of the leukemic microenvironment. J Exp Med 2020; 217:e20190589. [PMID: 31873722 PMCID: PMC7041707 DOI: 10.1084/jem.20190589] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/04/2019] [Accepted: 11/13/2019] [Indexed: 12/13/2022] Open
Abstract
Numerous studies support a role of the microenvironment in maintenance of the leukemic clone, as well as in treatment resistance. It is clear that disruption of the normal bone marrow microenvironment is sufficient to promote leukemic transformation and survival in both a cell autonomous and non-cell autonomous manner. In this review, we provide a snapshot of the various cell types shown to contribute to the leukemic microenvironment as well as treatment resistance. Several of these studies suggest that leukemic blasts occupy specific cellular and biochemical "niches." Effective dissection of critical leukemic niche components using single-cell approaches has allowed a more precise and extensive characterization of complexity that underpins both the healthy and malignant bone marrow microenvironment. Knowledge gained from these observations can have an important impact in the development of microenvironment-directed targeted approaches aimed at mitigating disease relapse.
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Affiliation(s)
- Matthew T. Witkowski
- Department of Pathology, New York University School of Medicine, New York, NY
- Laura & Isaac Perlmutter Cancer Center, New York University School of Medicine, New York, NY
| | - Stavroula Kousteni
- Department of Physiology & Cellular Biophysics, Columbia University Irving Medical Center, New York, NY
| | - Iannis Aifantis
- Department of Pathology, New York University School of Medicine, New York, NY
- Laura & Isaac Perlmutter Cancer Center, New York University School of Medicine, New York, NY
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293
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Prospective isolation of nonhematopoietic cells of the niche and their differential molecular interactions with HSCs. Blood 2020; 134:1214-1226. [PMID: 31366622 DOI: 10.1182/blood.2019000176] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 07/15/2019] [Indexed: 12/14/2022] Open
Abstract
A major limitation preventing in vivo modulation of hematopoietic stem cells (HSCs) is the incomplete understanding of the cellular and molecular support of the microenvironment in regulating HSC fate decisions. Consequently, murine HSCs cannot be generated, maintained, or expanded in culture over extended periods of time. A significantly improved understanding of the bone marrow niche environment and its molecular interactions with HSCs is pivotal to overcoming this challenge. We here prospectively isolated all major nonhematopoietic cellular niche components and cross-correlate them in detail with niche cells defined by lineage marking or tracing. Compiling an extensive database of soluble and membrane-bound ligand-receptor interactions, we developed a computational method to infer potential cell-to-cell interactions based on transcriptome data of sorter-purified niche cells and hematopoietic stem and progenitor cell subpopulations. Thus, we establish a compendium of the molecular communication between defined niche components and HSCs. Our analysis suggests an important role for cytokine antagonists in the regulation of HSC functions.
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294
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Black L, Zorina T. Cell-based immunomodulatory therapy approaches for type 1 diabetes mellitus. Drug Discov Today 2020; 25:380-391. [DOI: 10.1016/j.drudis.2019.11.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/11/2019] [Accepted: 11/30/2019] [Indexed: 12/14/2022]
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295
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Singh AK, Cancelas JA. Gap Junctions in the Bone Marrow Lympho-Hematopoietic Stem Cell Niche, Leukemia Progression, and Chemoresistance. Int J Mol Sci 2020; 21:E796. [PMID: 31991829 PMCID: PMC7038046 DOI: 10.3390/ijms21030796] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/19/2020] [Accepted: 01/23/2020] [Indexed: 12/15/2022] Open
Abstract
Abstract: The crosstalk between hematopoietic stem cells (HSC) and bone marrow (BM) microenvironment is critical for homeostasis and hematopoietic regeneration in response to blood formation emergencies after injury, and has been associated with leukemia transformation and progression. Intercellular signals by the BM stromal cells in the form of cell-bound or secreted factors, or by physical interaction, regulate HSC localization, maintenance, and differentiation within increasingly defined BM HSC niches. Gap junctions (GJ) are comprised of arrays of membrane embedded channels formed by connexin proteins, and control crucial signaling functions, including the transfer of ions, small metabolites, and organelles to adjacent cells which affect intracellular mechanisms of signaling and autophagy. This review will discuss the role of GJ in both normal and leukemic hematopoiesis, and highlight some of the most novel approaches that may improve the efficacy of cytotoxic drugs. Connexin GJ channels exert both cell-intrinsic and cell-extrinsic effects on HSC and BM stromal cells, involved in regenerative hematopoiesis after myelosuppression, and represent an alternative system of cell communication through a combination of electrical and metabolic coupling as well as organelle transfer in the HSC niche. GJ intercellular communication (GJIC) in the HSC niche improves cellular bioenergetics, and rejuvenates damaged recipient cells. Unfortunately, they can also support leukemia proliferation and survival by creating leukemic niches that provide GJIC dependent energy sources and facilitate chemoresistance and relapse. The emergence of new strategies to disrupt self-reinforcing malignant niches and intercellular organelle exchange in leukemic niches, while at the same time conserving normal hematopoietic GJIC function, could synergize the effect of chemotherapy drugs in eradicating minimal residual disease. An improved understanding of the molecular basis of connexin regulation in normal and leukemic hematopoiesis is warranted for the re-establishment of normal hematopoiesis after chemotherapy.
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Affiliation(s)
- Abhishek K. Singh
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Ave., Cincinnati, OH 45229, USA;
- Hoxworth Blood Center, University of Cincinnati Academic Health Center, 3333 Burnet Ave., Cincinnati, OH 45229, USA
| | - Jose A. Cancelas
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Ave., Cincinnati, OH 45229, USA;
- Hoxworth Blood Center, University of Cincinnati Academic Health Center, 3333 Burnet Ave., Cincinnati, OH 45229, USA
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296
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Lee D, Kim DW, Cho JY. Role of growth factors in hematopoietic stem cell niche. Cell Biol Toxicol 2020; 36:131-144. [PMID: 31897822 DOI: 10.1007/s10565-019-09510-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 12/16/2019] [Indexed: 12/20/2022]
Abstract
Hematopoietic stem cells (HSCs) produce new blood cells everyday throughout life, which is maintained by the self-renewal and differentiation ability of HSCs. This is not controlled by the HSCs alone, but rather by the complex and exquisite microenvironment surrounding the HSCs, which is called the bone marrow niche and consists of various bone marrow cells, growth factors, and cytokines. It is essential to understand the characteristic role of the stem cell niche and the growth factors in the niche formation. In this review, we describe the role of the bone marrow niche and factors for niche homeostasis, and also summarize the latest research related to stem cell niche.
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Affiliation(s)
- Dabin Lee
- Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 151-742, South Korea
| | - Dong Wook Kim
- Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 151-742, South Korea
| | - Je-Yoel Cho
- Department of Biochemistry, BK21 PLUS Program for Creative Veterinary Science Research and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 151-742, South Korea.
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297
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Soto-Avellaneda A, Morrison BE. Central nervous system and peripheral cell labeling by vascular endothelial cadherin-driven lineage tracing in adult mice. Neural Regen Res 2020; 15:1856-1866. [PMID: 32246634 PMCID: PMC7513977 DOI: 10.4103/1673-5374.280317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Understanding the contribution of endothelial cells to the progenitor pools of adult tissues has the potential to inform therapies for human disease. To address whether endothelial cells transdifferentiate into non-vascular cell types, we performed cell lineage tracing analysis using transgenic mice engineered to express a fluorescent marker following activation by tamoxifen in vascular endothelial cadherin promoter-expressing cells (VEcad-CreERT2; B6 Cg-Gt(ROSA)26Sortm9(CAG-tdTomato)Hze). Activation of target-cell labeling following 1.5 months of ad libitum feeding with tamoxifen-laden chow in 4–5 month-old mice resulted in the tracing of central nervous system and peripheral cells that include: cerebellar granule neurons, ependymal cells, skeletal myocytes, pancreatic beta cells, pancreatic acinar cells, tubular cells in the renal cortex, duodenal crypt cells, ileal crypt cells, and hair follicle stem cells. As Nestin expression has been reported in a subset of endothelial cells, Nes-CreERT2 mice were also utilized in these conditions. The tracing of cells in adult Nes-CreERT2 mice revealed the labeling of canonical progeny cell types such as hippocampal and olfactory granule neurons as well as ependymal cells. Interestingly, Nestin tracing also labeled skeletal myocytes, ileal crypt cells, and sparsely marked cerebellar granule neurons. Our findings provide support for endothelial cells as active contributors to adult tissue progenitor pools. This information could be of particular significance for the intravenous delivery of therapeutics to downstream endothelial-derived cellular targets. The animal experiments were approved by the Boise State University Institute Animal Care and Use Committee (approval No. 006-AC15-018) on October 31, 2018.
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Affiliation(s)
| | - Brad E Morrison
- Biomolecular Ph.D. Program, Boise State University; Department of Biological Sciences, Boise State University, Boise, ID, USA
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Baccin C, Al-Sabah J, Velten L, Helbling PM, Grünschläger F, Hernández-Malmierca P, Nombela-Arrieta C, Steinmetz LM, Trumpp A, Haas S. Combined single-cell and spatial transcriptomics reveal the molecular, cellular and spatial bone marrow niche organization. Nat Cell Biol 2020; 22:38-48. [PMID: 31871321 PMCID: PMC7610809 DOI: 10.1038/s41556-019-0439-6] [Citation(s) in RCA: 472] [Impact Index Per Article: 118.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 11/20/2019] [Indexed: 02/07/2023]
Abstract
The bone marrow constitutes the primary site for life-long blood production and skeletal regeneration. However, its cellular and spatial organization remains controversial. Here, we combine single-cell and spatially resolved transcriptomics to systematically map the molecular, cellular and spatial composition of distinct bone marrow niches. This allowed us to transcriptionally profile all major bone-marrow-resident cell types, determine their localization and clarify sources of pro-haematopoietic factors. Our data demonstrate that Cxcl12-abundant-reticular (CAR) cell subsets (Adipo-CAR and Osteo-CAR) differentially localize to sinusoidal and arteriolar surfaces, act locally as 'professional cytokine-secreting cells' and thereby establish peri-vascular micro-niches. Importantly, the three-dimensional bone-marrow organization can be accurately inferred from single-cell transcriptome data using the RNA-Magnet algorithm described here. Together, our study reveals the cellular and spatial organization of bone marrow niches and offers a systematic approach to dissect the complex organization of whole organs.
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Affiliation(s)
- Chiara Baccin
- Genome Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Faculty of Biosciences, Joint PhD degree from EMBL and Heidelberg University, Heidelberg, Germany
| | - Jude Al-Sabah
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Lars Velten
- Genome Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
- Center for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain.
| | - Patrick M Helbling
- Department of Medical Oncology and Hematology, University Hospital and University of Zürich, Zürich, Switzerland
| | - Florian Grünschläger
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Pablo Hernández-Malmierca
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - César Nombela-Arrieta
- Department of Medical Oncology and Hematology, University Hospital and University of Zürich, Zürich, Switzerland
| | - Lars M Steinmetz
- Genome Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA.
- Stanford Genome Technology Center, Palo Alto, CA, USA.
| | - Andreas Trumpp
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany.
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany.
- German Cancer Consortium (DKTK), Heidelberg, Germany.
| | - Simon Haas
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany.
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany.
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299
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Benova A, Tencerova M. Obesity-Induced Changes in Bone Marrow Homeostasis. Front Endocrinol (Lausanne) 2020; 11:294. [PMID: 32477271 PMCID: PMC7235195 DOI: 10.3389/fendo.2020.00294] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/20/2020] [Indexed: 12/24/2022] Open
Abstract
Obesity is characterized by low-grade inflammation, which is accompanied by increased accumulation of immune cells in peripheral tissues including adipose tissue (AT), skeletal muscle, liver and pancreas, thereby impairing their primary metabolic functions in the regulation of glucose homeostasis. Obesity has also shown to have a detrimental effect on bone homeostasis by altering bone marrow and hematopoietic stem cell differentiation and thus impairing bone integrity and immune cell properties. The origin of immune cells arises in the bone marrow, which has been shown to be affected with the obesogenic condition via increased cellularity and shifting differentiation and function of hematopoietic and bone marrow mesenchymal stem cells in favor of myeloid progenitors and increased bone marrow adiposity. These obesity-induced changes in the bone marrow microenvironment lead to dramatic bone marrow remodeling and compromising immune cell functions, which in turn affect systemic inflammatory conditions and regulation of whole-body metabolism. However, there is limited information on the inflammatory secretory factors creating the bone marrow microenvironment and how these factors changed during metabolic complications. This review summarizes recent findings on inflammatory and cellular changes in the bone marrow in relation to obesity and further discuss whether dietary intervention or physical activity may have beneficial effects on the bone marrow microenvironment and whole-body metabolism.
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300
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Batsivari A, Haltalli MLR, Passaro D, Pospori C, Lo Celso C, Bonnet D. Dynamic responses of the haematopoietic stem cell niche to diverse stresses. Nat Cell Biol 2020; 22:7-17. [PMID: 31907409 DOI: 10.1038/s41556-019-0444-9] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 11/27/2019] [Indexed: 01/01/2023]
Abstract
Adult haematopoietic stem cells (HSCs) mainly reside in the bone marrow, where stromal and haematopoietic cells regulate their function. The steady state HSC niche has been extensively studied. In this Review, we focus on how bone marrow microenvironment components respond to different insults including inflammation, malignant haematopoiesis and chemotherapy. We highlight common and unique patterns among multiple cell types and their environment and discuss current limitations in our understanding of this complex and dynamic tissue.
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Affiliation(s)
- Antoniana Batsivari
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute , London, UK
| | - Myriam Luydmila Rachelle Haltalli
- Department of Life Sciences, Imperial College London, South Kensington campus, London, UK
- Lo Celso Laboratory, The Francis Crick Institute, London, UK
| | - Diana Passaro
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute , London, UK
| | - Constandina Pospori
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute , London, UK
- Department of Life Sciences, Imperial College London, South Kensington campus, London, UK
- Lo Celso Laboratory, The Francis Crick Institute, London, UK
| | - Cristina Lo Celso
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute , London, UK.
- Department of Life Sciences, Imperial College London, South Kensington campus, London, UK.
- Lo Celso Laboratory, The Francis Crick Institute, London, UK.
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute , London, UK.
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