Figure 6. Functional transport occurs simultaneously with tight junction maturation and Oat expression.

A) Immunofluorescent image of late nephron cultures incubated with the Oat-selective organic anion 6-carboxy fluorescein (6-cf). B) Immunofluorescent image of late nephron culture incubated with 6-cf and the Oat inhibitor probenecid. The bar (A and B) is 100 µm.