Ferroptosis: an iron-dependent form of nonapoptotic cell death.

Ferroptosis: an iron-dependent form of nonapoptotic cell death.
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DOI:
10.1016/j.cell.2012.03.042
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发表时间:
2012-05-25
期刊:
影响因子:
64.5
通讯作者:
Stockwell BR
Stockwell BR
中科院分区:
生物学1区
文献类型:
--
作者:
Dixon SJ;Lemberg KM;Lamprecht MR;Skouta R;Zaitsev EM;Gleason CE;Patel DN;Bauer AJ;Cantley AM;Yang WS;Morrison B 3rd;Stockwell BR

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Non-apoptotic forms of cell death may facilitate the selective elimination of some tumor cells or be activated in specific pathological states. The oncogenic RAS-selective lethal small molecule erastin triggers a unique iron-dependent form of non-apoptotic cell death that we term ferroptosis. Ferroptosis is dependent upon intracellular iron, but not other metals, and is morphologically, biochemically and genetically distinct from apoptosis, necrosis and autophagy. We identify the small molecule ferrostatin-1 as a potent inhibitor of ferroptosis in cancer cells and glutamate-induced cell death in organotypic rat brain slices, suggesting similarities between these two processes. Indeed, erastin, like glutamate, inhibits cystine uptake by the cystine/glutamate antiporter (system xc−), creating a void in the antioxidant defenses of the cell, ultimately leading to iron-dependent, oxidative death. Thus, activation of ferroptosis results in the non-apoptotic destruction of certain cancer cells, while inhibition of this process may protect organisms from neurodegeneration.
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