Abstract
Rats bearing the Yoshida AH-130 ascites hepatoma showed important changes in lipid metabolism. The presence of this rapidly growing tumour induced a significant reduction in the intestinal absorption of an oral [l4C]triolein load but without changes in whole body oxidation of the tracer to CO3. Both white (WAT) and brown (BAT) adipose tissue lipoprotein lipase (LPL) activities were increased at day 4 of tumour growth, changes that seem to be related with those observed in [14C] lipid accumulation; however, heart LPL activity was increased at day 7 but there was no change at day 4. In addition, there was a marked hyperlipemia in the tumour-bearing animals, whereas the blood ketone body concentrations were lower in these animals in comparison with the corresponding pair-fed group. The in vivo lipogenic rate was increased in liver of the tumour-bearing animals (day 4); conversely, it was decreased in WAT and skeletal muscle (day 4) and IBAT (day 7) of the AH-130-bearing rats. It may be suggested that the increased liver lipogenic rate associated with tumour burden is the main factor contributing to the hyperlipidaemia present in the Yoshida AH-130 bearing rats.
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López-Soriano, J., Argilés, J.M. & López-Soriano, F.J. Lipid metabolism in rats bearing the Yoshida AH-130 ascites hepatoma. Mol Cell Biochem 165, 17–23 (1996). https://doi.org/10.1007/BF00229741
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DOI: https://doi.org/10.1007/BF00229741