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. 2017 Feb 9;16(3):435–443. doi: 10.1111/acel.12579

Figure 3.

Figure 3

The mitochondrial death spiral. Cellular ATP deficit or mitochondrial dysfunction causes increased production of ROS. This increased ROS activates IIS, which in turn activates ROS by inhibiting mitophagy and thus promoting further mitochondrial dysfunction and exacerbating the cellular ATP deficit. IIS might also increase ROS through mitochondria‐independent mechanisms.