Co-localization of Prox1 and PCNA in the NKCC2-positive TAL of the developing mouse kidney.

<p>Triple immunofluorescence staining for Prox1 (red), NKCC2 (white) and PCNA (green) in the renal papilla from 7-day-old pups. PCNA co-localized with Prox1 signals in the nuclei of TAL cells. Blue counterstain: DAPI. Scale bars: 20 μm.