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  • Title: Differential response of rat brown and white adipose tissue to environmental or nutritional stress.
    Author: Klain GJ, Hannon JP.
    Journal: Comp Biochem Physiol B; 1977; 58(3):227-30. PubMed ID: 318266.
    Abstract:
    1. In vivo fatty acid synthesis by brown adipose tissue was enhanced in rats exposed to cold (5 degrees C) or altitude (4300 m) for 7 days but was unaltered in rats exposed to heat (35 degrees C) for an equivalent period. In vivo fatty acid synthesis by white adipose tissue was depressed by cold exposure while altitude and heat exposure had no effect. 2. In vitro, CO2 production and lipid synthesis were elevated in brown adipose tissue from rats fasted for 4 days. Refeeding (4 days) such rats reversed these effects, leading to depressed values relative to those of control rats. In contrast, these metabolic events in white adipose tissue were decreased by fasting and increased compared to controls during subsequent refeeding.
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