Aortic & peripheral vascular disease

Altered metabolism distinguishes high-risk from stable carotid atherosclerotic plaques

Eur Heart JPublished Mechanistic study

Authors' conclusion

These results highlight a possible key role of cellular metabolism to support inflammation and a high-risk phenotype of atherosclerotic plaques.

Study context

Population
Carotid plaques from patients undergoing endarterectomy
Participants
159 carotid plaques
Comparison
High-risk vs stable carotid plaques
Outcome
Associations between plaque metabolite profiles (165 metabolites), inflammatory mediators and vulnerability
Methodological detailstargeted metabolomics
  • Targeted metabolomics

Main finding

As reported in the abstract

  • Plaque metabolite profile associated with histological vulnerability, inflammatory mediators and presence of symptoms
  • Distinct metabolite profiles in high-risk vs stable plaques, in line with different transcription levels of metabolic enzymes
  • High-risk plaques: increased glycolysis, elevated amino acid utilization and decreased fatty acid oxidation

Original publication

Altered metabolism distinguishes high-risk from stable carotid atherosclerotic plaques. Eur Heart J. Published 19 March 2018. doi:10.1093/eurheartj/ehy124

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