(A) PWV and (B) Systolic BP in KL+/− mice. (C) Direct BP measured by intra-arterial cannulation under anesthesia. (D) Representative western blot bands and quantitative analysis of plasma Klotho. Protein expression was normalized to the loading control, and the relative expression calculated as the fold change relative to the experimental control (WT+ Saline). n=10–12 animals/group. Data=means±SEM. *P<0.05, ** P<0.01, ***P<0.001 vs. WT + Saline; +P<0.05, ++ P<0.01, +++P<0.001 vs. KL+/− + Saline.