Determination of the Subcellular Localization and Mechanism of Action of Ferrostatins in Suppressing Ferroptosis.

Determination of the Subcellular Localization and Mechanism of Action of Ferrostatins in Suppressing Ferroptosis.
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DOI:
10.1021/acschembio.8b00199
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发表时间:
2018-04-20
影响因子:
4
通讯作者:
Stockwell BR
Stockwell BR
中科院分区:
生物学2区
文献类型:
--
作者:
Gaschler MM;Hu F;Feng H;Linkermann A;Min W;Stockwell BR

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Ferroptosis is a form of non-apoptotic cell death characterized by the unchecked accumulation of lipid peroxides. Ferrostatin-1 and its analogs (ferrostatins) specifically prevent ferroptosis in multiple contexts, but many aspects of their molecular mechanism of action remain poorly described. Here, we employed stimulated Raman scattering (SRS) microscopy coupled with small vibrational tags to image the distribution of ferrostatins in cells, and found that they accumulate in lysosomes, mitochondria, and endoplasmic reticulum. We then evaluated the functional relevance of lysosomes and mitochondria to ferroptosis suppression by ferrostatins, and found that neither is required for effective ferroptosis suppression.
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