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Blood stem cells emerge from aortic endothelium by a novel type of cell transition

Author

Listed:
  • Karima Kissa

    (Institut Pasteur, Unité Macrophages et Développement de l’Immunité and CNRS: URA2578, 25 rue du Dr Roux, F-75724 Paris CEDEX 15, France)

  • Philippe Herbomel

    (Institut Pasteur, Unité Macrophages et Développement de l’Immunité and CNRS: URA2578, 25 rue du Dr Roux, F-75724 Paris CEDEX 15, France)

Abstract

Blood stem cell creation In zebrafish, haematopoietic stem cells (HSCs) arise from the dorsal aorta of the embryo. In vitro studies have suggested that there are in the dorsal aorta a population of intermediate progenitors that can give rise to both endothelial (or blood vessel lineage) and blood cells. In this issue, two groups present images showing the birth of HSCs from the ventral wall of the dorsal aorta in live zebrafish embryos. Bertrand et al. combined fluorescent reporter transgenes, confocal time-lapse microscopy and flow cytometry to identify and isolate the stepwise intermediates as aortic haemogenic endothelium transitions to nascent HSCs. They also show that the HSCs generated from this haemogenic endothelium are the lineal founders of virtually all of the adult haematopoietic system. Karima Kissa and Philippe Herbomel similarly use imaging of live zebrafish to show HSCs emerge directly from the aorta floor, They show this process that does not involve cell division but movement of single endothelial cells out of the aorta ventral wall into the sub-aortic space, where they transform into haematopoietic cells. They call this new type of cell behaviour endothelial haematopoietic transition (EHT). In a third report, Boisset et al. confirm that this process also occurs in mice, using a dissection procedure to visualize the deeply located aorta. They showed de novo emergence of phenotypically defined HSCs directly from ventral aortic haemogenic endothelial cells.

Suggested Citation

  • Karima Kissa & Philippe Herbomel, 2010. "Blood stem cells emerge from aortic endothelium by a novel type of cell transition," Nature, Nature, vol. 464(7285), pages 112-115, March.
  • Handle: RePEc:nat:nature:v:464:y:2010:i:7285:d:10.1038_nature08761
    DOI: 10.1038/nature08761
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    Cited by:

    1. Wen Hao Neo & Yiran Meng & Alba Rodriguez-Meira & Muhammad Z. H. Fadlullah & Christopher A. G. Booth & Emanuele Azzoni & Supat Thongjuea & Marella F. T. R. Bruijn & Sten Eirik W. Jacobsen & Adam J. Me, 2021. "Ezh2 is essential for the generation of functional yolk sac derived erythro-myeloid progenitors," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    2. Dorothee Bornhorst & Amulya V. Hejjaji & Lena Steuter & Nicole M. Woodhead & Paul Maier & Alessandra Gentile & Alice Alhajkadour & Octavia Santis Larrain & Michael Weber & Khrievono Kikhi & Stefan Gue, 2024. "The heart is a resident tissue for hematopoietic stem and progenitor cells in zebrafish," Nature Communications, Nature, vol. 15(1), pages 1-19, December.
    3. Juan P. García-López & Alexandre Grimaldi & Zelin Chen & Claudio Meneses & Karina Bravo-Tello & Erica Bresciani & Alvaro Banderas & Shawn M. Burgess & Pedro P. Hernández & Carmen G. Feijoo, 2023. "Ontogenetically distinct neutrophils differ in function and transcriptional profile in zebrafish," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    4. Emi Murayama & Catherine Vivier & Anne Schmidt & Philippe Herbomel, 2023. "Alcam-a and Pdgfr-α are essential for the development of sclerotome-derived stromal cells that support hematopoiesis," Nature Communications, Nature, vol. 14(1), pages 1-17, December.
    5. Xiaoyi Cheng & Radwa Barakat & Giulia Pavani & Masuma Khatun Usha & Rodolfo Calderon & Elizabeth Snella & Abigail Gorden & Yudi Zhang & Paul Gadue & Deborah L. French & Karin S. Dorman & Antonella Fid, 2023. "Nod1-dependent NF-kB activation initiates hematopoietic stem cell specification in response to small Rho GTPases," Nature Communications, Nature, vol. 14(1), pages 1-19, December.
    6. Zaniah N. Gonzalez Galofre & Alastair M. Kilpatrick & Madalena Marques & Diana Sá da Bandeira & Telma Ventura & Mario Gomez Salazar & Léa Bouilleau & Yvan Marc & Ana B. Barbosa & Fiona Rossi & Mariana, 2024. "Runx1+ vascular smooth muscle cells are essential for hematopoietic stem and progenitor cell development in vivo," Nature Communications, Nature, vol. 15(1), pages 1-17, December.
    7. Yumin Liu & Linjuan Shi & Yifan Chen & Sifan Luo & Yuehang Chen & Hongtian Chen & Wenlang Lan & Xun Lu & Zhan Cao & Zehua Ye & Jinping Li & Bo Yu & Elaine Dzierzak & Zhuan Li, 2024. "Autophagy regulates the maturation of hematopoietic precursors in the embryo," Nature Communications, Nature, vol. 15(1), pages 1-17, December.

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