Haloperidol, a sigma receptor 1 antagonist, promotes ferroptosis in hepatocellular carcinoma cells.

Abstract:

:Ferroptosis is a novel form of cell death, which is characterized by accumulation of reactive oxygen species (ROS). Sigma 1 receptor (S1R) has been suggested to function in oxidative stress metabolism. Both erastin and sorafenib significantly induced S1R protein expression. Haloperidol strongly promoted erastin- and sorafenib-induced cell death, which was blocked by ferrostatin-1 but not ZVAD-FMK or necrosulfonamide. During ferroptosis, haloperidol substantially increased the cellular levels of Fe2+, GSH and lipid peroxidation. Furthermore, several ferroptosis-related protein targets were up-regulated in the absence of haloperidol. Thus, Our study identified an association between haloperidol and ferroptosis for the first time. Our analyses of a combination of drugs may provide a novel strategy of hepatocellular carcinoma (HCC) therapy.

authors

Bai T,Wang S,Zhao Y,Zhu R,Wang W,Sun Y

doi

10.1016/j.bbrc.2017.07.136

subject

Has Abstract

pub_date

2017-09-30 00:00:00

pages

919-925

issue

4

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(17)31495-X

journal_volume

491

pub_type

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