The renal papilla is a niche for adult kidney stem cells
J. Clin. Invest. Juan A. Oliver, et al. 114:795 doi:10.1172/JCI20921 [Go to this article.]

Figure 3
BrdU-retaining cells in adult mouse kidney. (A and B) Composite views 60 μm in thickness of kidney sections from a 2-month-old mouse obtained by confocal microscopy with 2-μm optical sections. (A) Outer cortex with no BrdU-positive cells. (B) Outer papilla with abundant BrdU-retaining cells. Scale bars: 50 μm.