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Bioorg Med Chem Lett. 2005 Jun 15;15(12):3114-8.

Inhibition of hydrogen peroxide-induced necrotic cell death with 3-amino-2-indolylmaleimide derivatives.

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Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba, Sendai, Miyagi 980-8577, Japan.


Novel analogs of indolylmaleimide derivatives (IM derivatives) were synthesized and tested for cell death-inhibitory activity. 2-(1H-Indol-3-yl)-3-pentylamino-maleimide IM-54 was the most effective cell death inhibitor among the compounds tested. IM-54 inhibited necrotic cell death induced by H2O2, but not apoptotic cell death induced by etoposide. These results indicated that this novel cell death inhibitor is distinct from the well-known caspase inhibitor, Z-VAD, which can block apoptotic cell death, but not necrotic cell death. IM-54 is expected to be a powerful bioprobe for clarifying the unique signaling pathway of necrotic cell death.

[Indexed for MEDLINE]

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