Abstract

Livers from male and female BB Wistar spontaneously diabetic rats were perfused in vitro to determine the effects of spontaneously occurring insulin-dependent diabetes on the metabolism of fatty acid. The secretion of triglyceride and the incorporation of [1- 14C] oleic acid into perfusate and hepatic triglyceride was reduced by the diabetic state, whereas β-hydroxy-butyrate production and output of total ketone bodies were increased. The spontaneous diabetic Wistar rat clearly is a suitable model to study the derangements induced in lipid/plasma lipoprotein metabolism by the insulin-dependent diabetic state; the data obtained with this model confirm our earlier observations on experimental insulin deficiency induced with alloxan, streptozotocin, and anti-insulin serum.

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