ATP‐synthase complex: The mechanism of control of ion fluxes induced by cumene hydroperoxide in mitochondria

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Abstract
In state 4, the cumene hydroperoxide‐induced decrease of mitochondrial transmembrane potential is prevented by the free radical scavenger, butylhydroxytoluene. This decrease is accompanied by accumulation of lipid hydroperoxides. Oligomycin suppresses the cumene hydroperoxide‐induced uncoupling of mitochondria, but has no significant effect on lipid peroxidation. The transition of mitochondria from state 4 to state 3 by ADP addition leads to the suppression of both lipid peroxidation and mitochondrial uncoupling. This effect on lipid peroxidation is prevented by carboxyatractyloside and oligomycin.