Three different hTERT-immortalized human primary renal proximal tubule epithelial cells (RPTEC) were modified and tested for functionality and stable expression of the OAT1, OCT2, and OAT3 proteins.

Nuclei of renal tubular epithelium stain orange, and as described by Sternheimer and Malbin, 3 nuclei of bladder epithelium stain blue, vaginal epithelium purple, hyaline casts pink, red cells ...

Acute renal failure ... Histological changes in acute tubular necrosis. Typical changes in acute tubular necrosis include flattening of tubular epithelial cells and loss of tubular cell nuclei.