Fig. 8. Effect of 5 week low (0.05%) and normal (0.55%) salt diets on mean arterial pressure (MAP) of male Nppa+/+ () and Nppa–/– () mice. Results are the mean±SEM. Numbers in parentheses represent the numbers of mice per group. * p<0.05 compared with the respective Nppa+/+ group; p<0.05 compared with the respective normal-salt diet groups. Reprinted with permission from Feng et al. [28].