WT mice, hatched bars; KO mice, filled bars. Chromanol, 4 mg kg−1 h−1 maintenance dose; clofilium, 76 μg kg−1 min−1 maintenance dose. FE, fractional excretion (Na+, Cl−, K+, glucose, water); V, urine flow rate. *Significant difference from WT vehicle; †significant difference from KO vehicle. n = 8 for WT vehicle, n = 9 for KO vehicle, n = 6 for WT chromanol, n = 9 for KO chromanol, n = 10 for WT clofilium, n = 9 for KO clofilium.