Abstract
We examined the effect of albumin administration on L-tryptophan (Trp) levels in the serum and tissues of rats with puromycin aminonucleoside (PAN)-induced nephrosis. PNA-injected rats showed increased urinary protein and serum non-esterified fatty acids levels and decreased serum albumin level at 8 days after the injection. The nephrotic rats showed a decrease in total serum Trp level and increases in free serum Trp and liver and kidney Trp levels but no change in urinary Trp level. At 5 min after intravenous injection of bovine serum albumin, the nephrotic rats had serum albumin concentration similar to the level of non-nephrotic rats and showed a recovery of decreased total serum Trp with the reduction of increased free serum Trp and liver Trp.
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