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Emerging evidence for targeting mitochondrial metabolic dysfunction in cancer therapy
Yueming Zhu, … , Douglas R. Spitz, David Gius
Yueming Zhu, … , Douglas R. Spitz, David Gius
Published August 31, 2018
Citation Information: J Clin Invest. 2018;128(9):3682-3691. https://doi.org/10.1172/JCI120844.
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Review Series

Emerging evidence for targeting mitochondrial metabolic dysfunction in cancer therapy

Abstract

Mammalian cells use a complex network of redox-dependent processes necessary to maintain cellular integrity during oxidative metabolism, as well as to protect against and/or adapt to stress. The disruption of these redox-dependent processes, including those in the mitochondria, creates a cellular environment permissive for progression to a malignant phenotype and the development of resistance to commonly used anticancer agents. An extension of this paradigm is that when these mitochondrial functions are altered by the events leading to transformation and ensuing downstream metabolic processes, they can be used as molecular biomarkers or targets in the development of new therapeutic interventions to selectively kill and/or sensitize cancer versus normal cells. In this Review we propose that mitochondrial oxidative metabolism is altered in tumor cells, and the central theme of this dysregulation is electron transport chain activity, folate metabolism, NADH/NADPH metabolism, thiol-mediated detoxification pathways, and redox-active metal ion metabolism. It is proposed that specific subgroups of human malignancies display distinct mitochondrial transformative and/or tumor signatures that may benefit from agents that target these pathways.

Authors

Yueming Zhu, Angela Elizabeth Dean, Nobuo Horikoshi, Collin Heer, Douglas R. Spitz, David Gius

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