Cited by 752Cardiac Ischemia and ReperfusionMitochondrial Function and PathologyCell death mechanisms and regulation

A Unifying Mechanism for Mitochondrial Superoxide Production during Ischemia-Reperfusion Injury

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Chouchani, Edward T., Pell, Victoria R., James, Andrew M., Work, Lorraine M., Saeb-Parsy, Kourosh, Frezza, Christian, Krieg, Thomas, Murphy, Michael P.·2016·Cell Metabolism

Abstract

Ischemia-reperfusion (IR) injury occurs when blood supply to an organ is disrupted--ischemia--and then restored--reperfusion--leading to a burst of reactive oxygen species (ROS) from mitochondria. It has been tacitly assumed that ROS production during IR is a non-specific consequence of oxygen interacting with dysfunctional mitochondria upon reperfusion. Recently, this view has changed, suggesting that ROS production during IR occurs by a defined mechanism. Here we survey the metabolic factors underlying IR injury and propose a unifying mechanism for its causes that makes sense of the huge amount of disparate data in this area and provides testable hypotheses and new directions for therapies.

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Crossref · 10.1016/j.cmet.2015.12.009

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  • Reverse electron transport ROS generation occurs when succinate is present in high concentration and is responsible in vivo for ROS generated after ischemia upon reperfusion.

    “This type of ROS generation occurs when succinate, the substrate for complex II, is present in high concentration and is responsible in vivo for the ROS generated after ischemia upon reperfusion (171, 172).”
  • SUCNR1 ligation on MoDC or the U937 macrophage cell line induces cell migration.

    “SUCNR1 ligation on MoDC or the U937 macrophage cell line induces cell migration, suggesting that succinate can act as a chemokine4.”
  • Priming of DCs with succinate and antigen simultaneously elevates antigen-specific T cell activation, increasing TNFα and IFN-γ production.

    “Priming of DCs with succinate and antigen simultaneously, elevates antigen-specific T cell activation, increasing TNFα and IFN-γproduction from these cells4.”
  • SUCNR1 is highly expressed in mouse kidney, liver, spleen, small intestine, and on dendritic cells, and ligand binding induces Gi and Gq signalling cascades.

    “SUCNR1 is highly expressed in mouse kidney, liver, spleen, small intestine3, and on dendritic cells (DCs) 4 and ligand binding induces Gi and Gq signalling cascades3.”
  • Extracellular succinate acts in synergy with TLR ligands to increase TNFα and IL-1β expression and increases the capacity of DCs to act as antigen presenting cells.

    “Extracellular succinate addition also acts in synergy with TLR ligands to increase TNFα and IL-1β expression4 and increases the capacity of DCs to act as antigen presenting cells.”

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Authors
Chouchani, E. T., Pell, V. R., James, A. M., Work, L. M., Saeb-Parsy, K., Frezza, C., Krieg, T., & Murphy, M. P.
Affiliations
  • Harvard University (US)
  • University of Cambridge (GB)
  • MRC Mitochondrial Biology Unit (GB)
  • University of Glasgow (GB)
Corresponding author
Murphy, Michael P.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2016-02
Volume
23
Issue
2
Pages
254-263
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2239083587
Cited by
752
References
106
Citations by year
2026: 62 · 2025: 78 · 2024: 63 · 2023: 79 · 2022: 90 · 2021: 104 · 2020: 83 · 2019: 64 · 2018: 58 · 2017: 50 · 2016: 19 · 2013: 1
FWCI
10.01
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion)
  • Apollo (University of Cambridge) (submittedVersion, cc-by-nc-nd)
Funders
  • British Heart Foundation
  • Medical Research Council (MC_UU_12022/6)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Cardiac Ischemia and Reperfusion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
ischemia-reperfusion injury, mitochondrial superoxide production, reactive oxygen species, mitochondrial dysfunction, reperfusion, oxidative stress, metabolic factors, tissue damage
MeSH terms
Animals, Electron Transport, Humans, Mitochondria, Models, Biological, Sulfhydryl Compounds, Superoxides, Reperfusion Injury

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