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The genesis of human hematopoietic stem cells

Calvanese, Vincenzo; Mikkola, Hanna KA; (2023) The genesis of human hematopoietic stem cells. Blood , 142 (6) pp. 519-532. 10.1182/blood.2022017934. Green open access

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Abstract

Developmental hematopoiesis consists of multiple, partially overlapping hematopoietic waves that generate the differentiated blood cells required for embryonic development while establishing a pool of undifferentiated hematopoietic stem cells (HSCs) for postnatal life. This multilayered design in which active hematopoiesis migrates through diverse extra and intraembryonic tissues has made it difficult to define a roadmap for generating HSCs vs non-self-renewing progenitors, especially in humans. Recent single-cell studies have helped in identifying the rare human HSCs at stages when functional assays are unsuitable for distinguishing them from progenitors. This approach has made it possible to track the origin of human HSCs to the unique type of arterial endothelium in the aorta-gonad-mesonephros region and document novel benchmarks for HSC migration and maturation in the conceptus. These studies have delivered new insights into the intricate process of HSC generation and provided tools to inform the in vitro efforts to replicate the physiological developmental journey from pluripotent stem cells via distinct mesodermal and endothelial intermediates to HSCs.

Type: Article
Title: The genesis of human hematopoietic stem cells
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1182/blood.2022017934
Publisher version: https://doi.org/10.1182/blood.2022017934
Language: English
Additional information: Copyright © 2023 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) (https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode), permitting only noncommercial, nonderivative use with attribution. All other rights reserved.
Keywords: Female, Pregnancy, Humans, Hematopoietic Stem Cells, Embryo, Mammalian, Hematopoiesis, Mesonephros
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Lab for Molecular Cell Bio MRC-UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10175755
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