Abstract

Rat kidney cortex slices were tested for their gluconeogenic capacity after the kidney has been either subjected to warm ischemia or flushed with and stored in cold hyperosmotic media. Kidneys damaged by warm ischemia for up to 60 min did not lose their ability to convert pyruvate to glucose. However, they then rapidly lost this capacity so that after 2 hr of ischemia they were devoid of activity. This observation closely corresponded to survival of partially nephrectomized rats whose remaining kidney had been treated in a similar manner. Cortex slices obtained from kidneys flushed and stored in cold hyperosmotic media were found to lose most of their gluconeogenic capacity after 3 days of storage.

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