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Lipid Studies

Expression of lung uncoupling protein-2 mRNA modulated by caloric intake

Published in Obesity and Diabetes Week, September 6th, 2004

Expression of lung uncoupling protein-2 mRNA is modulated developmentally and by caloric intake.

"Lung expresses a high concentration of uncoupling protein-2 (UCP-2) mRNA, but neither its pulmonary regulation nor function is known. We measured lung UCP-2 mRNA expression in two animal models: in neonatal rats when both the metabolic rate, as measured by oxygen consumption, and levels of serum free fatty acids (FFAs) increase and in adult mice during decreased food intake, when levels of serum FFAs increase but the metabolic rate decreases. In rat lung, the concentration of UCP-2 mRNA was low and unchanged during late gestation, increased approximately two-fold within 6...

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