Figure 5.
Urinary excretion rate of active TGF-β in rats on the 8.0% NaCl diet was modulated by dietary potassium intake. Changing potassium intake did not alter urinary TGF-β in rats on the 0.3% NaCl diet. In these in vivo experiments, both dietary salt and potassium intake modulated the urinary excretion rate of active TGF-β.