| 6372785 |
Van den Branden C, Kerckaert I, Roels F: Peroxisomal beta-oxidation from endogenous substrates. Biochem J. 1984 Mar 15;218(3):697-702.
Demonstration through H2O2 production in the unanaesthetized mouse.. A system was developed in which it is possible to detect in vivo changes in hepatic H2O2 production, using a combination of the catalase inhibitor, 3-amino-1,2,4-triazole and methanol. In mice, starvation significantly increases hepatic H2O2 production and plasma non-esterified fatty acid concentrations. Short-term refeeding after a 24 h starvation period brings H2O2 production and plasma non-esterified fatty acid concentration back to normal in 3h. Administration of insulin 24 h after the onset of starvation normalizes H2O2 production in less than 2h and decreases non-esterified fatty acid concentration below normal values. The suppression by insulin of H2O2 production, as well as its coherence with plasma non-esterified fatty acid concentration, indicate that increased H2O2 production in starved mice reflects peroxisomal beta-oxidation. |
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