Abstract
The present study was undertaken in order to establish whether (1) a decrease in catecholamines will prevent the heart hypertrophy of copper deficient rats fed fructose, and (2) an increase in hepatic copper concentration will ameliorate the signs associated with copper deficiency when fructose-based diets are consumed. Adrenalectomy resulted in reduced plasma glucocorticoids and a threefold increase in hepatic copper concentration. The signs associated with the deficiency were not ameliorated in rats fed fructose. In addition, the reduction in catecholamine concentration did not protect the copper-deficient rats fed fructose against cardiomegaly and mortality. The data support the contention that the severity of copper deficiency in rats fed fructose is not solely dependent on hepatic copper concentration and/or levels of catecholamines.
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