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Noguchi, Y. et al.

Influence of sepsis and endotoxemia on polyamine metabolism in mucosa of small intestine in rats.

We examined the influence of sepsis and endotoxemia in rats on the biosynthesis of polyamines in small-intestinal mucosa. Sepsis was induced by cecal ligation and puncture (CLP); control rats were sham-operated. In other experiments, rats were treated with two subcutaneous injections of endotoxin (1 mg/kg) or corresponding injections of sterile saline. Ornithine decarboxylase (ODC) and S-adenosylmethionine decarboxylase (SAMDC) activities and concentrations of putrescine, spermidine, and spermine were measured in jejunal mucosa at intervals during 16 hours. Sepsis stimulated ODC and SAMDC activities and increased putrescine and spermidine concentrations in jejunal mucosa. Injection of endotoxin resulted in metabolic changes similar to those observed following CLP. The results suggest that sepsis and endotoxemia stimulate polyamine biosynthesis in mucosa of small intestine. The role of polyamines in the regulation of cell proliferation and metabolic changes in the intestinal mucosa during sepsis remains to be determined.[1]

References

Influence of sepsis and endotoxemia on polyamine metabolism in mucosa of small intestine in rats. Noguchi, Y., Meyer, T.A., Tiao, G., Ogle, C.K., Fischer, J.E., Hasselgren, P.O. Metab. Clin. Exp. (1996) [Pubmed]

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