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Erastin

CAS No. : 571203-78-6

MCE 站：Erastin

产品活性：Erastin 是铁诱导的细胞死亡 (ferroptosis) 诱导剂。Erastin 结合且抑制电压依赖性阴离子通道 (VDAC2/VDAC3)。

研究领域：Apoptosis  |  Membrane Transporter/Ion Channel

作用靶点：Ferroptosis  |  VDAC

In Vitro: Erastin triggers oxidative, iron-dependent cell death. Treatment of NRAS-mutant HT-1080 fibrosarcoma cells with the RSL molecule erastin (10 ?M) results in a time-dependent increase in cytosolic and lipid ROS beginning at 2 hours. Cell death triggered by erastin is significantly inhibited by antioxidants (e.g., α-tocopherol, butylated hydroxytoluene, and β-carotene) and iron chelators, suggesting that ROS- and iron-dependent signaling is required for erastin-induced ferroptosis. Erastin can directly bind to VDAC2/3 in BJeLR cells. Knockdown of VDAC2 and VDAC3, but not VDAC1, leads to erastin resistance. Erastin has the ability to reduce glutathione level by directly inhibiting cystine/glutamate antiporter system Xc? activity, with activation of the ER stress response. Erastin potently inhibits HT-29 cell survival. Erastin shows a dose-dependent effect, and 30 μM of erastin displays the most dramatic effect.

In Vivo: Intraperitoneal injection of erastin at well-tolerated doses dramatically inhibits HT-29 xenograft growth in severe combined immunodeficient mice.

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