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  • Title: Does fatty acid-binding protein play a role in fatty acid transport?
    Author: Peeters RA, Veerkamp JH.
    Journal: Mol Cell Biochem; ; 88(1-2):45-9. PubMed ID: 2779543.
    Abstract:
    The possible property of fatty acid-binding proteins (FABPs) to transport fatty acid was investigated in various model systems with FABP preparations from liver and heart. An effect of FABP, however, was not detectable with a combination of oleic acid-loaded mitochondria and vesicles or liposomes due to the rapid spontaneous transfer. Therefore, the mitochondria were separated from the vesicles in an equilibrium dialysis cell. The spontaneous fatty acid transfer was much lower and addition of FABP resulted in an increase of fatty acid transport. Oleic acid was withdrawn from different types of monolayers by FABP with rates up to 10%/min. When two separate monolayers were used, FABP increased fatty acid transfer between these monolayers and an equilibrium was reached.
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