Mitochondrial ClpP-Mediated Proteolysis Induces Selective Cancer Cell Lethality

Jo Ishizawa, Sarah F. Zarabi, R. Eric Davis, Ondrej Halgas, Takenobu Nii, Yulia Jitkova, Ran Zhao, Jonathan St-Germain, Lauren E. Heese, Grace Egan, Vivian R. Ruvolo, Samir H. Barghout, Yuki Nishida, Rose Hurren, Wencai Ma, Marcela Gronda, Todd Link, Keith Wong, Mark Mabanglo, Kensuke KojimaGautam Borthakur, Neil MacLean, Man Chun John Ma, Andrew B. Leber, Mark D. Minden, Walid Houry, Hagop Kantarjian, Martin Stogniew, Brian Raught, Emil F. Pai, Aaron D. Schimmer, Michael Andreeff

Research output: Contribution to journalArticlepeer-review

173 Scopus citations

Abstract

Ishizawa et al. report that hyperactivating the mitochondrial caseinolytic protease P (ClpP)degrades respiratory chain proteins, disrupts mitochondrial function, and selectively kills cancer cells, regardless of p53 status. They identify imipridones as hyperactivators of ClpP and show their anti-tumor activity.

Original languageEnglish (US)
Pages (from-to)721-737.e9
JournalCancer cell
Volume35
Issue number5
DOIs
StatePublished - May 13 2019

Keywords

  • acute myeloid leukemia
  • cancer
  • imipridone
  • lymphoma
  • mitochondrial ClpP
  • mitochondrial proteolysis
  • oxidative phosphorylation
  • respiratory chain complex

ASJC Scopus subject areas

  • Oncology
  • Cell Biology
  • Cancer Research

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  • High Resolution Electron Microscopy Facility
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  • Cytogenetics and Cell Authentication Core

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