Abstract
1. 1. In vitro oxidation and lipogenesis from [2- 14C]-acetate was studied at 17, 27 and 37°C in brown fat, diaphragm, kidney and liver tissues from normothermic, hypothermic and hibernating hamsters. 2. 2. In all tissues oxidation and lipogenesis decreased with decreasing incubation temperature. 3. 3. The amount of fatty acid labeled from [2- 14C]-acetate decreased with decreasing incubation temperature. Similarly, the percentage of total fatty acid 14C-activity in esterified lipid decreased with decreasing incubation temperature. 4. 4. Glyceride-glycerol 14C-activity, when expressed as a percentage of the total lipid 14C-activity, increased with decreasing incubation temperature.
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