The mitochondria membrane potential (ΔΨm) was measured by monitoring the fluorescence of the specific probe 3,3′-dihexyloxacarbocyanine iodide (DiOC6(3); Sigma-Aldrich, Saint-Quentin Fallavier, France) as described by Tungmunnithum et al. [65 (link)]. At least six independent measurements were performed for each condition and the results were expressed as relative fluorescent units.
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