AMPK/FIS1-Mediated Mitophagy Is Required for Self-Renewal of Human AML Stem Cells

Shanshan Pei, Mohammad Minhajuddin, Biniam Adane, Nabilah Khan, Brett M. Stevens, Stephen C. Mack, Sisi Lai, Jeremy N. Rich, Anagha Inguva, Kevin M. Shannon, Hyunmin Kim, Aik Choon Tan, Jason R. Myers, John M. Ashton, Tobias Neff, Daniel A. Pollyea, Clayton A. Smith, Craig T. Jordan

Research output: Contribution to journalArticlepeer-review

163 Citations (Scopus)

Abstract

Human acute myeloid leukemia stem cells (LSCs) depend on FIS1-mediated mitophagy for self-renewal and survival. AMPK is constitutively active in human LSCs, is upstream of FIS1, and acts to stimulate mitophagy. Disruption of AMPK signaling or FIS1 activity results in eradication of LSCs.

Original languageEnglish
Pages (from-to)86-100.e6
JournalCell Stem Cell
Volume23
Issue number1
DOIs
Publication statusPublished - 2018 Jul 5

Bibliographical note

Funding Information:
We gratefully acknowledge our patients and their families for their participation in this study. C.T.J. is generously supported by the Nancy Carroll Allen Chair in Hematology Research and NIH grants R01CA200707 and R01CA166265-05S1 . B.A. was supported by NIH F31CA196330-01 . D.A.P. is supported by the University of Colorado Department of Medicine Outstanding Early Career Scholar Program . K.M.S. is supported by NIH R01CA193994 . A.C.T. is supported by University of Colorado Cancer Center support grant P30CA046934 , Bioinformatics Core. A.I. is supported by NIH MSTP T32 GM008497 . We are also grateful for funding from the University of Colorado Cancer Center Development Therapeutics Pilot Grant Award. We thank the Genomic Center at University of Rochester Medical Campus for their support with RNA-seq data analysis. We thank the Electron Microscopy Service core at University of Colorado-Boulder for their critical support with TEM. We also thank the Advanced Light Microscopy Core at the University of Colorado-Anschutz Medical Campus (supported in part by NIH/NCATS Colorado CTSI grant UL1 TR001082 ) for their help with confocal studies. We greatly appreciate Drs. James DeGregori and Eric Pietras for their comments on our manuscript.

Funding Information:
We gratefully acknowledge our patients and their families for their participation in this study. C.T.J. is generously supported by the Nancy Carroll Allen Chair in Hematology Research and NIH grants R01CA200707 and R01CA166265-05S1. B.A. was supported by NIH F31CA196330-01. D.A.P. is supported by the University of Colorado Department of Medicine Outstanding Early Career Scholar Program. K.M.S. is supported by NIH R01CA193994. A.C.T. is supported by University of Colorado Cancer Center support grant P30CA046934, Bioinformatics Core. A.I. is supported by NIH MSTP T32 GM008497. We are also grateful for funding from the University of Colorado Cancer Center Development Therapeutics Pilot Grant Award. We thank the Genomic Center at University of Rochester Medical Campus for their support with RNA-seq data analysis. We thank the Electron Microscopy Service core at University of Colorado-Boulder for their critical support with TEM. We also thank the Advanced Light Microscopy Core at the University of Colorado-Anschutz Medical Campus (supported in part by NIH/NCATS Colorado CTSI grant UL1 TR001082) for their help with confocal studies. We greatly appreciate Drs. James DeGregori and Eric Pietras for their comments on our manuscript.

Keywords

  • AMPK
  • FIS1
  • GSK3
  • acute myeloid leukemia
  • differentiation
  • leukemia stem cells
  • mitochondrial dynamics
  • mitophagy

ASJC Scopus subject areas

  • Molecular Medicine
  • Genetics
  • Cell Biology

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