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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Comparison of the bladder response to indole and sodium saccharin ingestion by male rats.

To ascertain whether the bladder mass increase and epithelial hyperplasia induced by 5% dietary sodium saccharin (NaS) in short-term experiments with rats are caused by increased urinary excretion of indican associated with this treatment, the responses of the urine and bladder induced by 1.5% indole (Id) ingestion were compared with those induced by 5% NaS and 1.5% Id + 5% NaS. Id and NaS, when fed alone, produced equivalent increases in bladder mass and both compounds induced epithelial hyperplasia, but Id ingestion was associated with much greater urinary indican excretion (5 mg/g diet ingested) than was NaS (0.3 mg/g diet ingested). When Id and NaS were ingested together, the bladder mass increase was additive, but the epithelial hyperplasia was not exacerbated over that observed with each alone, and the urinary indican was equivalent to that produced by Id alone. These findings suggest that a high level of urinary indican excretion is associated with an increase in bladder mass and epithelial hyperplasia (Id treatment) but indicate that the relatively low urinary indican level obtained by NaS feeding alone is unlikely to be responsible for the bladder responses noted with this compound.[1]

References

  1. Comparison of the bladder response to indole and sodium saccharin ingestion by male rats. Anderson, R.L., Lefever, F.R., Miller, N.S., Maurer, J.K. Food Chem. Toxicol. (1989) [Pubmed]
 
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