title: Preview. The Tortoise, the hare, and the FoxO.
abstract: Maintaining stem cell quiescence is intimately connected to preserving long-term self-renewal potential. In this issue of Cell Stem Cell,Paik et al. (2009) and Renault et al. (2009) demonstrate a role for FoxO transcription factors in regulating neural stem cell proliferation and in maintaining stem and progenitor cell homeostasis.
authors.affiliation: Translational Medicine Branch, National Heart Lung and Blood Institute, NIH, Bethesda, MD 20892, USA.
authors.forename: Edmund
authors.initials: E
authors.lastname: Chen
authors.forename: Toren
authors.initials: T
authors.lastname: Finkel