In this issue of Blood, Bernitz et al show that granulocyte colony-stimulating factor (G-CSF) selectively mobilizes nondividing hematopoietic stem cells (HSCs).1 A majority of the HSCs remain quiescent after mobilization and ultimately return to the bone marrow without dividing. Thus, G-CSF does not uniformly drive adult HSCs into cycle.

Original languageEnglish
Pages (from-to)1887-1888
Number of pages2
Issue number14
StatePublished - Apr 6 2017

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