What molecular mechanisms drive excessive ROS generation when mitochondrial genomes are incompatible?

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Description

The study shows mtDNA heteroplasmy increases oxidative stress, but the specific biochemical pathways linking genome incompatibility to ROS overproduction remain unclear. Understanding this mechanism is critical for predicting when mitochondrial transfer therapies might cause harm versus benefit.

Gap type: unexplained_observation Source paper: Transferred mitochondria accumulate reactive oxygen species leading to recipient cell damage (2021, PNAS, PMID:34285270)

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