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. 2022 Aug 5;9:966478. doi: 10.3389/fmolb.2022.966478

FIGURE 1.

FIGURE 1

Mechanism of ferroptosis following ICH by intracellular iron overload. After ICH occurs, the hematoma releases iron ions from RBC lysis, the concentration of iron ions increase around neurons and combine with transferrin (TF) to transport iron ions into cells through TF receptor (TFR)-mediated effects. Ferric ions are reduced to ferrous ions by divalent metal transporter 1 (DMT1) and accumulate in neurons, where ferrous ions induce excessive generation of lethal ROS and lipid peroxides, therefore, resulting in ferroptosis. Iron chelators (DFX, VK-28, DP, and PIH) form a chelating ferric amine with iron ions to prevent iron ions from donating electrons to oxygen to form ROS.