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Effects of cefroxadine on L-leucine absorption in rat jejunum

Mendizabal, M.V.; Idoate, I.; Jordan, J.; Larralde, J.

Archives Internationales de Physiologie de Biochimie et de Biophysique 99(3): 247-250

1991

ISSN/ISBN: 0778-3124
PMID: 1717060
DOI: 10.3109/13813459109146930
Accession: 039961886
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The effect of cefroxadine, an aminocephalosporin (beta lactam antibiotic) on rat intestinal L-leucine transport has been studied. Cefroxadine inhibited the L-leucine uptake by the intestinal mucosa in a dose-dependent fashion. In vivo studies showed that cefroxadine reduced L-leucine absorption. This effect was irreversible. Only the active transport component of the absorption was inhibited. Oxygen consumption of the mucosa was reduced by cefroxadine which inhibited the activity of the basolateral (Na(+)-K+) ATPase also.

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