Abstract
Summary
The lipoprotein lipase activity released from heart slices of normal ad lib. fed and 20-hour fasted rats was the same. Heparin elevated equally the activity of tissues from both types of rats. Pretreatment with reserpine reduced the amount of activity of lipoprotein lipase released by incubated heart slices. The effect of heparin was negligible when heart tissues were used from rats treated with reserpine once daily for 4 days. The possibility of a relationship between reserpine-induced decrease in activity of lipoprotein lipase and depletion of catecholamines from heart tissue was discussed.
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