The effect of membrane potential on the protonophoric action of oleic acid.


Free fatty acids, such as oleic acid, are able to act as uncouplers of oxidative phosphorylation in mitochondria [l]. They can also transport cations across membranes and may have a physiological role in iron transport in the gut [2]. We have previously shown that oleic acid can act as a K+/H+ ion exchange carrier in liposomes [3]. It was proposed that… (More)


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