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Abstract
The effects of different starve-feed cycles on gluconeogenic and glycolytic capacities of kidney cortex have been studied. Opposite effects were found during these nutritional states (feeding, characterized by a high carbohydrate diet, and starvation) and both metabolic processes. During the feeding state, a decrease in the gluconeogenic flux was parallel to an increase in the glycolytic one. The behaviour of these metabolic processes was opposed during starvation. The results in this work show that kidney cortex, is able to adapt itself to
different availability of exogenous macronutrients or nutritional situations, pointing out the important role that it plays in the maintenance of the glucostatic state of the animal.
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