CENCAT enables immunometabolic profiling by measuring protein synthesis via bioorthogonal noncanonical amino acid tagging

Frank Vrieling, Hendrik J.P. van der Zande, Britta Naus, Lisa Smeehuijzen, Julia I.P. van Heck, Bob J. Ignacio, Kimberly M. Bonger, Jan Van den Bossche, Sander Kersten, Rinke Stienstra*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Cellular energy metabolism significantly contributes to immune cell function. To further advance immunometabolic research, novel methods to study the metabolism of immune cells in complex samples are required. Here, we introduce CENCAT (cellular energetics through noncanonical amino acid tagging). This technique utilizes click labeling of alkyne-bearing noncanonical amino acids to measure protein synthesis inhibition as a proxy for metabolic activity. CENCAT successfully reproduced known metabolic signatures of lipopolysaccharide (LPS)/interferon (IFN)γ and interleukin (IL)-4 activation in human primary macrophages. Application of CENCAT in peripheral blood mononuclear cells revealed diverse metabolic rewiring upon stimulation with different activators. Finally, CENCAT was used to analyze the cellular metabolism of murine tissue-resident immune cells from various organs. Tissue-specific clustering was observed based on metabolic profiles, likely driven by microenvironmental priming. In conclusion, CENCAT offers valuable insights into immune cell metabolic responses, presenting a powerful platform for studying cellular metabolism in complex samples and tissues in both humans and mice.

Original languageEnglish
Article number100883
Number of pages17
JournalCell Reports Methods
Volume4
Issue number10
DOIs
Publication statusPublished - 21 Oct 2024

Keywords

  • CP: Immunology
  • CP: Metabolism
  • energy metabolism
  • glycolysis
  • immunometabolism
  • OXPHOS
  • SCENITH

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