Abstract
424
Takahashi, R.; Horrobin, D.F.; Watanabe, Y.; Kyte, V.; Billard, V.
Short-term diabetes increases triacylglycerol arachidonic acid content in the rat liver
Biochim Biophys Acta 1987; 921(1): 151-3.


Abstract

Fatty acid compositions of liver phospholipid, cholesterol ester and triacylglycerol fractions obtained from streptozotocin-induced diabetic rats were compared to those from control or from simple-acidotic rats. Significant reductions of arachidonic acid proportions in phospholipid and cholesterol ester were found on the 3rd day after the streptozotocin treatment. In triacylglycerol, arachidonic acid and the other desaturation and elongation products of linoleic acid except for gamma-linolenic acid were increased in the diabetic rats. Although essential fatty acid composition in liver phospholipid and cholesterol ester of simple-acidotic rats did not differ from control rats, dihomo- gamma-linolenic acid, arachidonic acid, adrenic acid and docosapentaenoic acid (22:5(n - 6] contents in liver TG were significantly increased over those in control rats and were similar to those in diabetic rats. These results suggest that metabolic acidosis may contribute to the fatty acid abnormalities observed in diabetic animals.


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