LECT2 drives haematopoietic stem cell expansion and mobilization via regulating the macrophages and osteolineage cells

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LECT2 drives haematopoietic stem cell expansion and mobilization via regulating the macrophages and osteolineage cells

Haematopoietic stem cells (HSCs) can differentiate into cells of all lineages in the blood. However, the mechanisms by which cytokines in the blood affect HSC homeostasis remain largely unknown. Here we show that leukocyte cell-derived chemotaxin 2 (LECT2), a multifunctional cytokine, induces HSC expansion and mobilization. Recombinant LECT2 administration results in HSC expansion in the bone m...

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Osteolineage niche cells initiate hematopoietic stem cell mobilization.

Recent studies have implicated bone-lining osteoblasts as important regulators of hematopoietic stem cell (HSC) self-renewal and differentiation; however, because much of the evidence supporting this notion derives from indirect in vivo experiments, which are unavoidably complicated by the presence of other cell types within the complex bone marrow milieu, the sufficiency of osteoblasts in modu...

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The concept of the haematopoietic stem cell (HSC) niche was formulated by Schofield in the 1970s, as a region within the bone marrow containing functional cell types that can maintain HSC potency throughout life. Since then, ongoing research has identified numerous cell types and a plethora of signals that not only maintain HSCs, but also dictate their behaviour with respect to homeostatic requ...

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ژورنال

عنوان ژورنال: Nature Communications

سال: 2016

ISSN: 2041-1723

DOI: 10.1038/ncomms12719