The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling

Lucas B. Sullivan, Eva Martinez-Garcia, Hien Nguyen, Andrew R. Mullen, Eric Dufour, Sunil Sudarshan, Jonathan D. Licht, Ralph J. Deberardinis, Navdeep Chandel*

*Corresponding author for this work

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

The tricarboxylic acid cycle enzyme fumarate hydratase (FH) has been identified as a tumor suppressor in a subset of human renal cell carcinomas. Human FH-deficient cancer cells display high fumarate concentration and ROS levels along with activation of HIF-1. The underlying mechanisms by which FH loss increases ROS and HIF-1 are not fully understood. Here, we report that glutamine-dependent oxidative citric acid cycle metabolism is required to generate fumarate and increase ROS and HIF-1 levels. Accumulated fumarate directly bonds the antioxidant glutathione invitro and invivo to produce the metabolite succinated glutathione (GSF). GSF acts as an alternative substrate to glutathione reductase to decrease NADPH levels and enhance mitochondrial ROS and HIF-1 activation. Increased ROS also correlates with hypermethylation of histones in these cells. Thus, fumarate serves as a proto-oncometabolite by binding to glutathione which results in the accumulation of ROS.

Original languageEnglish (US)
Pages (from-to)236-248
Number of pages13
JournalMolecular cell
Volume51
Issue number2
DOIs
StatePublished - Jul 25 2013

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Fumarates
Fumarate Hydratase
Glutathione
Citric Acid Cycle
Glutathione Reductase
Glutamine
NADP
Renal Cell Carcinoma
Histones
Neoplasms
Antioxidants
Enzymes

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Sullivan, L. B., Martinez-Garcia, E., Nguyen, H., Mullen, A. R., Dufour, E., Sudarshan, S., ... Chandel, N. (2013). The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling. Molecular cell, 51(2), 236-248. https://doi.org/10.1016/j.molcel.2013.05.003
Sullivan, Lucas B. ; Martinez-Garcia, Eva ; Nguyen, Hien ; Mullen, Andrew R. ; Dufour, Eric ; Sudarshan, Sunil ; Licht, Jonathan D. ; Deberardinis, Ralph J. ; Chandel, Navdeep. / The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling. In: Molecular cell. 2013 ; Vol. 51, No. 2. pp. 236-248.
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Sullivan, LB, Martinez-Garcia, E, Nguyen, H, Mullen, AR, Dufour, E, Sudarshan, S, Licht, JD, Deberardinis, RJ & Chandel, N 2013, 'The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling', Molecular cell, vol. 51, no. 2, pp. 236-248. https://doi.org/10.1016/j.molcel.2013.05.003

The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling. / Sullivan, Lucas B.; Martinez-Garcia, Eva; Nguyen, Hien; Mullen, Andrew R.; Dufour, Eric; Sudarshan, Sunil; Licht, Jonathan D.; Deberardinis, Ralph J.; Chandel, Navdeep.

In: Molecular cell, Vol. 51, No. 2, 25.07.2013, p. 236-248.

Research output: Contribution to journalArticle

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Sullivan LB, Martinez-Garcia E, Nguyen H, Mullen AR, Dufour E, Sudarshan S et al. The Proto-oncometabolite Fumarate Binds Glutathione to Amplify ROS-dependent signaling. Molecular cell. 2013 Jul 25;51(2):236-248. https://doi.org/10.1016/j.molcel.2013.05.003