PMID: 616371Oct 23, 1977Paper

Fatty acid transport and metabolism in the isolated perfused rat kidney

Current Problems in Clinical Biochemistry
M E TrimbleR H Bowman

Abstract

Transport and metabolism of endogenous fatty acids was studied using an isolated rat kidney preparation. Results tended to confirm the inhibitory effects of probenecid on fatty acid uptake by the kidney but, at the concentration used, probenecid was ineffective in changing the distribution of 14C palmitate within tissue lipids. Alpha-bromopalmitate (alphaBP) (0.4 mM), an inhibitor of fatty acid oxidation, caused an initial enhancement of 14C palmitate uptake, a decrease in esterification into tissue phospholipids and an increase in 14C recovered as free fatty acid in the tissue. This increase had no inhibitory effect on entry of fatty acids. alpha BP had no effect on 14C octanoate uptake and appeared not to affect general metabolism. The results are consistent with the possibility that alphaBP interacts with a renal fatty acid binding protein.

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