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Live-animal tracking of individual haematopoietic stem/progenitor cells in their niche

Live-animal tracking of individual haematopoietic stem/progenitor cells in their niche Haematopoietic stem cells are found in a specialized regulatory environment or niche in bone marrow. The precise location and characteristics of this niche are now made clearer by two sophisticated imaging studies. Lo Celso et al. performed live-animal tracking of individual haematopoietic cells and find that osteoblasts are enmeshed in microvessels and that different haematopoietic cell populations are localized in different areas according to their stage of differentiation. Xie et al. used newly developed ex vivo real-time imaging technology and immunoassays to trace the homing of fluorescently labelled haematopoietic stem cells in response to irradiation. They report that the membrane lining the medullary cavity of bone forms a special zone that normally maintains haematopoietic stem cells, but promotes their expansion in response to bone marrow damage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

Live-animal tracking of individual haematopoietic stem/progenitor cells in their niche

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References (36)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Macmillan Publishers Limited. All rights reserved
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature07434
Publisher site
See Article on Publisher Site

Abstract

Haematopoietic stem cells are found in a specialized regulatory environment or niche in bone marrow. The precise location and characteristics of this niche are now made clearer by two sophisticated imaging studies. Lo Celso et al. performed live-animal tracking of individual haematopoietic cells and find that osteoblasts are enmeshed in microvessels and that different haematopoietic cell populations are localized in different areas according to their stage of differentiation. Xie et al. used newly developed ex vivo real-time imaging technology and immunoassays to trace the homing of fluorescently labelled haematopoietic stem cells in response to irradiation. They report that the membrane lining the medullary cavity of bone forms a special zone that normally maintains haematopoietic stem cells, but promotes their expansion in response to bone marrow damage.

Journal

NatureSpringer Journals

Published: Dec 3, 2008

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