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  • Title: Effects of low protein diet in puromycin aminonucleoside-induced nephrotic rats.
    Author: Shibasaki T, Gomi H, Ishimoto F, Sakai O.
    Journal: Nihon Jinzo Gakkai Shi; 1990 Aug; 32(8):871-5. PubMed ID: 2250404.
    Abstract:
    Wistar rats were injected with puromycin aminonucleoside (PAN) to induce massive proteinuria and were raised on a low protein diet to determine whether the urinary protein excretion might be reduced. Although PAN nephrotic rats fed with a normal protein diet containing 20% protein (group A) did not show any reduction of their urinary protein excretion, PAN rats fed with a low protein diet containing 6% protein (group B) revealed a marked reduction at day 9 of the present study in comparison with group A. The total serum protein levels were low in groups A and B as compared to group C, the non-treated control. However, group A recovered to normal levels at day 13. In terms of the absolute amount of oral protein intake, marked differences were observed between groups B and C, but little difference was observed between groups A and C. The body weight in all three groups was decreased at 8 days after the start of this study. The serum levels of creatinine were elevated to 1.1 +/- 0.3 mg/dl and 1.0 +/- 0.2 mg/dl in groups A and B, respectively, on day 7, but abruptly recovered to normal levels by day 12. These data indicate that the decreased urinary protein excretion in group B might be dependent on the total protein volume intake, and not on the renal function nor serum levels of total protein.
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