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Reverse electron flow from CII to CI

From Bioblast


high-resolution terminology - matching measurements at high-resolution


Reverse electron flow from CII to CI

Description

Reverse electron flow from CII to CI stimulates production of ROS when mitochondria are incubated with succinate without rotenone in the LEAK state. Depolarisation of mitochondrial membrane potential (e.g. after ADP addition to stimulate OXPHOS) leads to inhibition of RET and therefore, decrease of RET-initiated ROS production. RET can be also measured when mitochondria are respiring on Gp without rotenone in the LEAK state. Addition of IQ-side inhibitors (ubiquinone-binding side of CI) of CI usually block RET.


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MitoPedia topics: Enzyme