4.6 Article

eIF2α phosphorylation: A hallmark of immunogenic cell death

Journal

ONCOIMMUNOLOGY
Volume 7, Issue 6, Pages -

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/2162402X.2018.1431089

Keywords

anthracyclines; cancer; chemotherapy; ER stress; unfolded protein response

Funding

  1. Bristol-Myers Squibb research grant
  2. Ligue contre le Cancer Comite de Charente-Maritime (equipe labelisee)
  3. Agence National de la Recherche (ANR)
  4. ANR under the frame of E-Rare-2
  5. ERA-Net for Research on Rare Diseases
  6. Association pour la recherche sur le cancer (ARC)
  7. Canceropole Ile-de-France
  8. Chancelerie des universites de Paris (Legs Poix)
  9. Fondation pour la Recherche Medicale (FRM)
  10. Philantropia grant

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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.

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