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Melis S, Trompet D, Chagin AS, Maes C. Skeletal stem and progenitor cells in bone physiology, ageing and disease. Nat Rev Endocrinol 2024:10.1038/s41574-024-01039-y. [PMID: 39379711 DOI: 10.1038/s41574-024-01039-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/30/2024] [Indexed: 10/10/2024]
Abstract
Skeletal stem cells (SSCs) and related progenitors with osteogenic potential, collectively termed skeletal stem and/or progenitor cells (SSPCs), are crucial for providing osteoblasts for bone formation during homeostatic tissue turnover and fracture repair. Besides mediating normal bone physiology, they also have important roles in various metabolic bone diseases, including osteoporosis. SSPCs are of tremendous interest because they represent prime future targets for osteoanabolic therapies and bone regenerative medicine. Remarkable progress has been made in characterizing various SSC and SSPC populations in postnatal bone. SSPCs exist in the periosteum and within the bone marrow stroma, including subsets localizing around arteriolar and sinusoidal blood vessels; they can display osteogenic, chondrogenic, adipogenic and/or fibroblastic potential, and exert critical haematopoiesis-supportive functions. However, much remains to be clarified. By the current markers, bona fide SSCs are commonly contained within broader SSPC populations characterized by considerable heterogeneity and overlap, whose common versus specific functions in health and disease have not been fully unravelled. Here, we review the present knowledge of the identity, fates and relationships of SSPC populations in the postnatal bone environment, their contributions to bone maintenance, the changes observed upon ageing, and the effect of metabolic diseases such as osteoporosis and diabetes mellitus.
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Affiliation(s)
- Seppe Melis
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Dana Trompet
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, Leuven, Belgium
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
- Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Andrei S Chagin
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Centre for Bone and Arthritis Research at the Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
- Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Christa Maes
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, Leuven, Belgium.
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2
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Cain TL, Derecka M, McKinney-Freeman S. The role of the haematopoietic stem cell niche in development and ageing. Nat Rev Mol Cell Biol 2024:10.1038/s41580-024-00770-8. [PMID: 39256623 DOI: 10.1038/s41580-024-00770-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2024] [Indexed: 09/12/2024]
Abstract
Blood production depends on rare haematopoietic stem cells (HSCs) and haematopoietic stem and progenitor cells (HSPCs) that ultimately take up residence in the bone marrow during development. HSPCs and HSCs are subject to extrinsic regulation by the bone marrow microenvironment, or niche. Studying the interactions between HSCs and their niche is critical for improving ex vivo culturing conditions and genetic manipulation of HSCs, which is pivotal for improving autologous HSC therapies and transplantations. Additionally, understanding how the complex molecular network in the bone marrow is altered during ageing is paramount for developing novel therapeutics for ageing-related haematopoietic disorders. HSCs are unique amongst stem and progenitor cell pools in that they engage with multiple physically distinct niches during their ontogeny. HSCs are specified from haemogenic endothelium in the aorta, migrate to the fetal liver and, ultimately, colonize their final niche in the bone marrow. Recent studies employing single-cell transcriptomics and microscopy have identified novel cellular interactions that govern HSC specification and engagement with their niches throughout ontogeny. New lineage-tracing models and microscopy tools have raised questions about the numbers of HSCs specified, as well as the functional consequences of HSCs interacting with each developmental niche. Advances have also been made in understanding how these niches are modified and perturbed during ageing, and the role of these altered interactions in haematopoietic diseases. In this Review, we discuss these new findings and highlight the questions that remain to be explored.
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Affiliation(s)
- Terri L Cain
- Department of Haematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Marta Derecka
- Department of Haematology, St. Jude Children's Research Hospital, Memphis, TN, USA
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3
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Candelas A, Vianay B, Gelin M, Faivre L, Larghero J, Blanchoin L, Théry M, Brunet S. Heterotypic interaction promotes asymmetric division of human hematopoietic progenitors. Development 2024; 151:dev203088. [PMID: 39136544 DOI: 10.1242/dev.203088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 07/17/2024] [Indexed: 09/04/2024]
Abstract
Hematopoietic stem and progenitor cells (HSPCs) give rise to all cell types of the hematopoietic system through various processes, including asymmetric divisions. However, the contribution of stromal cells of the hematopoietic niches in the control of HSPC asymmetric divisions remains unknown. Using polyacrylamide microwells as minimalist niches, we show that specific heterotypic interactions with osteoblast and endothelial cells promote asymmetric divisions of human HSPCs. Upon interaction, HSPCs polarize in interphase with the centrosome, the Golgi apparatus, and lysosomes positioned close to the site of contact. Subsequently, during mitosis, HSPCs orient their spindle perpendicular to the plane of contact. This division mode gives rise to siblings with unequal amounts of lysosomes and of the differentiation marker CD34. Such asymmetric inheritance generates heterogeneity in the progeny, which is likely to contribute to the plasticity of the early steps of hematopoiesis.
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Affiliation(s)
- Adrian Candelas
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
| | - Benoit Vianay
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Matthieu Gelin
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
| | - Lionel Faivre
- Unité de Thérapie Cellulaire, Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, AP-HP, Hôpital Saint-Louis, Center of Clinical Investigations in Biotherapies of Cancer CBT501, Université Paris Cité, F-75010 Paris, France
| | - Jerome Larghero
- Unité de Thérapie Cellulaire, Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, AP-HP, Hôpital Saint-Louis, Center of Clinical Investigations in Biotherapies of Cancer CBT501, Université Paris Cité, F-75010 Paris, France
| | - Laurent Blanchoin
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Manuel Théry
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Stéphane Brunet
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
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Dong R, Li H, He XC, Wang C, Perera A, Malloy S, Russell J, Li W, Petentler K, Mao X, Yang Z, Epp M, Hall K, Scott A, McKinney MC, Huang S, Smith SE, Hembree M, Wang Y, Yu Z, Haug JS, Unruh J, Slaughter B, Kang X, Li L. Characterization of Multicellular Niches Supporting Hematopoietic Stem Cells Within Distinct Zones. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.28.601225. [PMID: 39071430 PMCID: PMC11275884 DOI: 10.1101/2024.06.28.601225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Previous studies of hematopoietic stem cells (HSCs) primarily focused on single cell-based niche models, yielding fruitful but conflicting findings 1-5 . Here we report our investigation on the fetal liver (FL) as the primary fetal hematopoietic site using spatial transcriptomics. Our study reveals two distinct niches: the portal-vessel (PV) niche and the sinusoidal niche. The PV niche, composing N-cadherin (N-cad) Hi Pdgfrα + mesenchymal stromal cells (MSCs), endothelial cells (ECs), and N-cad Lo Albumin + hepatoblasts, maintains quiescent and multipotential FL-HSCs. Conversely, the sinusoidal niche, comprising ECs, hepatoblasts and hepatocytes, as well as potential macrophages and megakaryocytes, supports proliferative FL-HSCs biased towards myeloid lineages. Unlike prior reports on the role of Cxcl12, with its depletion from vessel-associated stromal cells leading to 80% of HSCs' reduction in the adult bone marrow (BM) 6,7 , depletion of Cxcl12 via Cdh2 CreERT (encoding N-cad) induces altered localization of HSCs from the PV to the sinusoidal niches, resulting in an increase of HSC number but with myeloid-bias. Similarly, we discovered that adult BM encompasses two niches within different zones, each composed of multi-cellular components: trabecular bone area (TBA, or metaphysis) supporting deep-quiescent HSCs, and central marrow (CM, or diaphysis) fostering heterogenous proliferative HSCs. This study transforms our understanding of niches by shifting from single cell-based to multicellular components within distinct zones, illuminating the intricate regulation of HSCs tailored to their different cycling states.
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Kent DG. Different roles for different bones -Location matters for blood production. Hemasphere 2024; 8:e127. [PMID: 39035109 PMCID: PMC11258481 DOI: 10.1002/hem3.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Accepted: 06/27/2024] [Indexed: 07/23/2024] Open
Affiliation(s)
- David G. Kent
- Department of Biology, Centre for Blood Research, York Biomedical Research InstituteUniversity of YorkYorkUK
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Bandyopadhyay S, Duffy MP, Ahn KJ, Sussman JH, Pang M, Smith D, Duncan G, Zhang I, Huang J, Lin Y, Xiong B, Imtiaz T, Chen CH, Thadi A, Chen C, Xu J, Reichart M, Martinez Z, Diorio C, Chen C, Pillai V, Snaith O, Oldridge D, Bhattacharyya S, Maillard I, Carroll M, Nelson C, Qin L, Tan K. Mapping the cellular biogeography of human bone marrow niches using single-cell transcriptomics and proteomic imaging. Cell 2024; 187:3120-3140.e29. [PMID: 38714197 PMCID: PMC11162340 DOI: 10.1016/j.cell.2024.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 02/02/2024] [Accepted: 04/12/2024] [Indexed: 05/09/2024]
Abstract
Non-hematopoietic cells are essential contributors to hematopoiesis. However, heterogeneity and spatial organization of these cells in human bone marrow remain largely uncharacterized. We used single-cell RNA sequencing (scRNA-seq) to profile 29,325 non-hematopoietic cells and discovered nine transcriptionally distinct subtypes. We simultaneously profiled 53,417 hematopoietic cells and predicted their interactions with non-hematopoietic subsets. We employed co-detection by indexing (CODEX) to spatially profile over 1.2 million cells. We integrated scRNA-seq and CODEX data to link predicted cellular signaling with spatial proximity. Our analysis revealed a hyperoxygenated arterio-endosteal neighborhood for early myelopoiesis, and an adipocytic localization for early hematopoietic stem and progenitor cells (HSPCs). We used our CODEX atlas to annotate new images and uncovered mesenchymal stromal cell (MSC) expansion and spatial neighborhoods co-enriched for leukemic blasts and MSCs in acute myeloid leukemia (AML) patient samples. This spatially resolved, multiomic atlas of human bone marrow provides a reference for investigation of cellular interactions that drive hematopoiesis.
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Affiliation(s)
- Shovik Bandyopadhyay
- Cellular and Molecular Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Medical Scientist Training Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael P Duffy
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kyung Jin Ahn
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Jonathan H Sussman
- Medical Scientist Training Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Minxing Pang
- Applied Mathematics & Computational Science Graduate Group, University of Pennsylvania, Philadelphia, PA, USA
| | - David Smith
- Center for Single Cell Biology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Gwendolyn Duncan
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Iris Zhang
- Department of Computer and Information Science, University of Pennsylvania, Philadelphia, PA, USA
| | - Jeffrey Huang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Yulieh Lin
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Barbara Xiong
- Medical Scientist Training Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Tamjid Imtiaz
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Chia-Hui Chen
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Anusha Thadi
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Changya Chen
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Jason Xu
- Medical Scientist Training Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Genomics and Computational Biology Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Melissa Reichart
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Zachary Martinez
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Caroline Diorio
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Chider Chen
- Department of Oral and Maxillofacial Surgery/Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Vinodh Pillai
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Oraine Snaith
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Derek Oldridge
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Siddharth Bhattacharyya
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ivan Maillard
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Martin Carroll
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Charles Nelson
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ling Qin
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Kai Tan
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Center for Single Cell Biology, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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Perin P, Cossellu D, Vivado E, Batti L, Gantar I, Voigt FF, Pizzala R. Temporal bone marrow of the rat and its connections to the inner ear. Front Neurol 2024; 15:1386654. [PMID: 38817550 PMCID: PMC11137668 DOI: 10.3389/fneur.2024.1386654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 04/10/2024] [Indexed: 06/01/2024] Open
Abstract
Calvarial bone marrow has been found to be central in the brain immune response, being connected to the dura through channels which allow leukocyte trafficking. Temporal bone marrow is thought to play important roles in relation to the inner ear, but is still largely uncharacterized, given this bone complex anatomy. We characterized the geometry and connectivity of rat temporal bone marrow using lightsheet imaging of cleared samples and microCT. Bone marrow was identified in cleared tissue by cellular content (and in particular by the presence of megakaryocytes); since air-filled cavities are absent in rodents, marrow clusters could be recognized in microCT scans by their geometry. In cleared petrosal bone, autofluorescence allowed delineation of the otic capsule layers. Within the endochondral layer, bone marrow was observed in association to the cochlear base and vestibule, and to the cochlear apex. Cochlear apex endochondral marrow (CAEM) was a separated cluster from the remaining endochondral marrow, which was therefore defined as "vestibular endochondral marrow" (VEM). A much larger marrow island (petrosal non-endochondral marrow, PNEM) extended outside the otic capsule surrounding semicircular canal arms. PNEM was mainly connected to the dura, through bone channels similar to those of calvarial bone, and only a few channels were directed toward the canal periosteum. On the contrary, endochondral bone marrow was well connected to the labyrinth through vascular loops (directed to the spiral ligament for CAEM and to the bony labyrinth periosteum for VEM), and to dural sinuses. In addition, CAEM was also connected to the tensor tympani fossa of the middle ear and VEM to the endolymphatic sac. Endochondral marrow was made up of small lobules connected to each other and to other structures by channels lined by elongated macrophages, whereas PNEM displayed larger lobules connected by channels with a sparse macrophage population. Our data suggest that the rat inner ear is surrounded by bone marrow at the junctions with middle ear and brain, most likely with "customs" role, restricting pathogen spread; a second marrow network with different structural features is found within the endochondral bone layer of the otic capsule and may play different functional roles.
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Affiliation(s)
- Paola Perin
- Department of Brain and Behaviour Sciences, University of Pavia, Pavia, Italy
| | - Daniele Cossellu
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Elisa Vivado
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Laura Batti
- Wyss Center for Bio and Neuro Engineering, Geneva, Switzerland
| | - Ivana Gantar
- Wyss Center for Bio and Neuro Engineering, Geneva, Switzerland
| | - Fabian F. Voigt
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA, United States
| | - Roberto Pizzala
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
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Austin R, Aifantis I. Hematopoietic Clonal Evolution Goes Spatial. Blood Cancer Discov 2024; 5:139-141. [PMID: 38651690 PMCID: PMC11061586 DOI: 10.1158/2643-3230.bcd-24-0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
SUMMARY The spatial distribution of cells carrying clonal hematopoiesis mutations in the bone marrow and the potential role of interactions with the microenvironment are largely unknown. This study takes clonal evolution to the spatial level by describing a novel technique examining the spatial location of mutated clones in the bone marrow and the first evidence that mutated hematopoietic clones are spatially constrained and have heterogenous locations within millimeters of distance. See related article by Young et al., p. 153 (10).
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Affiliation(s)
- Rebecca Austin
- Department of Pathology, NYU Grossman School of Medicine, New York, New York
- Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, New York
| | - Iannis Aifantis
- Department of Pathology, NYU Grossman School of Medicine, New York, New York
- Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, New York
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Florian MC. Powerful microscopy reveals blood-cell production in bone marrow. Nature 2024; 627:741-742. [PMID: 38509287 DOI: 10.1038/d41586-024-00504-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
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