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. 2019 Mar 15;13:165. doi: 10.3389/fnins.2019.00165

FIGURE 2.

FIGURE 2

Stress-mediated ferritin degradation leads to increase in iron-dependent ROS formation. Overexpression of SOD1 G93A leads to JNK and p66Shc activation, ferritin ubiquitination, and degradation by proteasome. As a result, LIP and iron-dependent ROS formation increase. In addition, iron augments ferritin synthesis in order to overcome iron toxicity.