GoKawiilStudy identifies MFF as key sensor and driver of ferroptotic cell death via mitochondria
Researchers show that mitochondrial fission factor (MFF) controls a chain of events during ferroptosis, linking mitochondrial dysfunction, peroxisomal and mitochondrial ROS production, and release of mitochondrial DNA into the cytosol through VDAC1 oligomerization. Using CRISPR knockouts, rescue experiments and pharmacological inhibitors in HeLa cells, they mapped how loss of MFF or its downstream partners (PEX5, MFN1/2, DRP1) alters cell survival after RSL3-induced ferroptotic stress.
GoKawiil's interpretation of the reporting above, not reported fact.
Ferroptosis is implicated in numerous diseases, including cancer and neurodegeneration, and identifying MFF as a central sensor connecting mitochondrial dynamics to cell death offers a new potential target for therapies that either promote or block this death pathway. The detailed mechanistic map—linking organelle fission machinery to ROS signaling and DNA release—could help researchers design drugs that fine-tune ferroptosis in disease-specific contexts.
- MFF acts as a critical checkpoint linking mitochondrial fission to ferroptotic cell death.
- Loss of MFF alters ROS production and mitochondrial DNA release during ferroptosis induced by RSL3.
- VDAC1 oligomerization and MFN1/2 activity are downstream mechanisms through which MFF regulates this death pathway.
Source: nature.com — Dai, 2026-09-16
Published there as: “Mitochondrial fission factor senses and governs ferroptosis”
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