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Glucose utilization by interscapular brown adipose tissue in vivo during nutritional transitions in the rat
M J Holness1, Y L Liu, J S Beech
1Department of Biochemistry, Faculty of Basic Medical Sciences, Queen Mary and Westfield College, London, U.K.
The Biochemical Journal
|January 1, 1991
Abstract:
Glucose utilization indices (GUI) of interscapular brown adipose tissue (IBAT) declined by 84% after 48 h starvation. Two-thirds of the overall response was observed within 6 h, correlating with decreased insulin concentrations. Re-feeding 48 h-starved rats restored insulin concentrations and evoked a rapid 15-fold increase in IBAT GUI. GUI values after re-feeding were markedly higher than those observed at equivalent insulin concentrations in control post-absorptive rats.