PMID: 2488385Jan 1, 1989Paper

Change in the transport of uric acid under the influence of pyrazinoic acid: in vitro studies with human and rabbit peritoneum

Peritoneal Dialysis International : Journal of the International Society for Peritoneal Dialysis
K CzyzewskaJ Knapowski

Abstract

Bidirectional transport of uric acid (UA) through human and rabbit peritoneum, and its change under the influence of pyrazinoic acid (PA) was investigated in vitro. Fragments of parietal peritoneum were taken from the region of anterior abdominal wall from rabbits (the animal series) and from patients undergoing abdominal operations (the human series). Under control conditions, higher values of the UA transport were found in the rabbit peritoneum in comparison with the human peritoneum, but in both series it was maintained at a constant level throughout the experiment lasting 120 min. In rabbit as well as in human peritoneum it was found that PA depressed about 50% of the UA transport from the interstitial to the mesothelial side, leaving the opposite direction intact. The results obtained in vitro are in agreement with previous observations in a patient undergoing peritoneal dialysis that showed decreased peritoneal UA excretion evoked by pyrazinamide. The comparative analysis proves the rabbit peritoneum to be a good experimental model for further investigations of peritoneal urate transport in man.

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