The river of stem cells.
In this issue of Cell Stem Cell, Greco et al. (2009) characterize the hair germ as a novel stop between bulge stem cell and transient amplifying cells during hair regeneration. The work implies stem cell states can be regulated to form different numbers of intermediate stops, depending on physiological requirements.
Chuong
Cheng-Ming
CM
Department of Pathology, Keck School of Medicine, University of Southern California, 2011 Zonal Avenue, Los Angeles, CA 90033, USA. cmchuong@usc.edu
Widelitz
Randall Bruce
RB
D000818:Animals; D002454:Cell Differentiation; D018859:Hair Follicle / Q000166:cytology / Q000502:physiology; D012038:Regeneration / Q000502:physiology*; D013234:Stem Cells / Q000166:cytology / Q000502:physiology*