Effects of fasting on tissue glucose utilization in conscious resting rats. Major glucose-sparing effect in working muscles

Abstract

The effects of fasting on glucose metabolism in the conscious resting rat were studied. Fasting decreased whole-body glucose utilization by 40%. The fast induced a decrease in glucose utilization in muscles which are constantly working even in the resting state, i.e. heart, diaphragm and postural muscles. No modification was observed in other tissues.

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