eIF2α phosphorylation: A hallmark of immunogenic cell death

eIF2α phosphorylation: A hallmark of immunogenic cell death
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DOI:
10.1080/2162402x.2018.1431089
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发表时间:
2018-01-01
期刊:
影响因子:
7.2
通讯作者:
Kroemer, Guido
Kroemer, Guido
中科院分区:
医学2区
文献类型:
--
作者:
Bezu, Lucillia;Sauvat, Allan;Kroemer, Guido

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抗癌化疗药物诱导的免疫原性细胞死亡(ICD)通常先于影响内质网(ER)的生前应激。这种内质网应激并不反映典型的未折叠蛋白反应(UPR),而只是在eIF2α的磷酸化水平上表现出来。因此,eIF2α的磷酸化是ICD的一个典型特征,可以通过免疫组织化学在肿瘤样本中检测到。
Immunogenic cell death (ICD) induced by anticancer chemotherapeutics is usually preceded by premortem stress affecting the endoplasmic reticulum (ER). This ER stress does not reflect a canonical unfolded protein response (UPR) but rather manifests solely at the level of the phosphorylation of eIF2 alpha. eIF2 alpha phosphorylation is hence a quintessential hallmark of ICD that can be detected by immunohistochemistry in tumor samples.