Effects of high potassium chloride supplementation on growth rate and renal function in mice
Murai, I.(Kyoto Univ. (Japan)) | Imanishi, S. | Sugimoto, M. | Kume, S.
Fifty-four mice were assigned to a control diet group or a KCl diet group to clarify the effects of KCl supplementation on growth rate, water intake and renal function in mice, and 5% of KCl was supplemented in KCl diets for 1-4 weeks. Bodyweights of KCl supplemented mice were significantly lower than those of control mice, and bodyweights of control and KCl supplemented mice at 28 days after treatment were 45.5 and 41.2 g, respectively. Feed intake was not affected by KCl supplementation, but water intake of KCl supplemented mice was significantly higher than that of control mice. Bone weights of KCl supplemented mice at 2 weeks after treatment were significantly lower than those of control mice. Serum urea nitrogen concentration at 4 weeks and serum K and Cl concentrations at 2 weeks were significantly lower in KCl supplemented mice. Histological alteration using hematoxylin-eosin and Sirius red staining was not found in the kidney of each mouse at 1, 2, and 4 weeks after treatment. These results suggest that high KCl supplementation decreases the rate of bodyweight gain and increases water intake in mice.
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