Tricarboxylate Carrier of Bovine Liver Mitochondria
نویسندگان
چکیده
منابع مشابه
Fluorocitrate inhibition of aconitate hydratase and the tricarboxylate carrier of rat liver mitochondria.
1. The effect of biologically synthesized and purified fluorocitrate on the metabolism of tricarboxylate anions by isolated rat liver mitochondria was investigated, in relation to the claim by Eanes et al. (1972) that this fluoro compound inhibits the tricarboxylate carrier at concentrations at which it has little effect on the aconitate hydratase activity. 2. That the inhibitory action of fluo...
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The mitochondrial tricarboxylate carrier (TCC) plays an important role in lipogenesis being TCC-responsible for the efflux from the mitochondria to the cytosol of acetyl-CoA, the primer for fatty acid synthesis. In this study, we investigated the effects of two high-fat diets with different fatty acid composition on the hepatic TCC activity. Rats were fed for 3 weeks on a basal diet supplemente...
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The tricarboxylate transporter has been purified in reconstitutively active form from rat liver mitochondria. The transporter was extracted from mitoplasts with Triton X-114 in the presence of cardiolipin and citrate and was then purified by sequential chromatography on hydroxylapatite, Matrex Gel Orange A, Matrex Gel Blue B, and Affi-Gel 501. Analysis of the purified material via sodium dodecy...
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ATP has two significant effects on the mitochondrial tricarboxylate transporting system. First, it alters the concentration gradients at equilibrium for the substrates of this transporter. ATP (2MM) caused the uptake of 10 nmol of citrate into the mitochondria coincident with the output of a similar amount of L-malate. This redistribution was dependent on ATP transport, the effect being inhibit...
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The tricarboxylate transporter was solubilized from pea (Pisum sativum) mitochondria with Triton X-114, partially purified over a hydroxylapatite column, and reconstituted in phospholipid vesicles. The proteoliposomes exchanged external [(14)C]citrate for internal citrate or malate but not for preloaded d,l-isocitrate. Similarly, although external malate, succinate, and citrate competed with [(...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1989
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)63743-3