Mitochondrial control of antigen presentation in cancer cells.

Cancer Cell

Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA; Sandra and Edward Meyer Cancer Center, New York, NY, USA; Caryl and Israel Englander Institute for Precision Medicine, New York, NY, USA. Electronic address:

Published: November 2023

AI Article Synopsis

  • Cytotoxic T lymphocytes target and eliminate cancer cells by recognizing specific antigens displayed with MHC class I molecules.
  • A recent study by Mangalhara et al. discusses how changes in mitochondrial electron flow can enhance factors related to antigen presentation.
  • This enhancement occurs through a succinate-dependent epigenetic mechanism, which suggests a link between metabolism and immune response in cancer.

Article Abstract

Cytotoxic T lymphocytes recognize and kill cancer cells when the latter present antigenic epitopes complexed with MHC class I molecules on their surface. In a recent Science paper, Mangalhara et al. show that alterations of the mitochondrial electron flow upregulate multiple factors involved in antigen presentation via a succinate-dependent epigenetic mechanism.

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http://dx.doi.org/10.1016/j.ccell.2023.10.001DOI Listing

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