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Photo: KG Pressfoto

Marju Orho-Melander

Professor

Photo: KG Pressfoto

Plasma Protein Profile of Carotid Artery Atherosclerosis and Atherosclerotic Outcomes : Meta-Analyses and Mendelian Randomization Analyses

Author

  • Lars Lind
  • Bruna Gigante
  • Yan Borné
  • Tobias Feldreich
  • Jerzy Leppert
  • Pär Hedberg
  • Carl Johan Östgren
  • Fredrik H Nyström
  • Johan Sundström
  • Johan Ärnlöv
  • Damiano Baldassarre
  • Elena Tremoli
  • Fabrizio Veglia
  • Anders Hamsten
  • Christopher J O'Donnell
  • Nora Franceschini
  • Marju Orho-Melander
  • Jan Nilsson
  • Olle Melander
  • Gunnar Engström
  • Anders Mälarstig

Summary, in English

OBJECTIVE: To identify causal pathophysiological mechanisms for atherosclerosis and incident cardiovascular events using protein measurements. Approach and Results: Carotid artery atherosclerosis was assessed by ultrasound, and 86 cardiovascular-related proteins were measured using the Olink CVD-I panel in 7 Swedish prospective studies (11 754 individuals). The proteins were analyzed in relation to intima-media thickness in the common carotid artery (IMT-CCA), plaque occurrence, and incident cardiovascular events (composite end point of myocardial infarction or ischemic stroke) using a discovery/replication approach in different studies. After adjustments for traditional cardiovascular risk factors, 11 proteins remained significantly associated with IMT-CCA in the replication stage, whereas 9 proteins were replicated for plaque occurrence and 17 proteins for incident cardiovascular events. NT-proBNP (N-terminal pro-B-type natriuretic peptide) and MMP (matrix metalloproteinase)-12 were associated with both IMT-CCA and incident events, but the overlap was considerably larger between plaque occurrence and incident events, including MMP-12, TIM-1 (T-cell immunoglobulin and mucin domain 1), GDF (growth/differentiation factor)-15, IL (interleukin)-6, U-PAR (urokinase plasminogen activator surface receptor), LOX-1 (lectin-like oxidized LDL [low-density lipoprotein] receptor 1), and TRAIL-R2 (TNF [tumor necrosis factor]-related apoptosis-inducing ligand receptor 2). Only MMP-12 was associated with IMT-CCA, plaque, and incident events with a positive and concordant direction of effect. However, a 2-sample Mendelian randomization analysis suggested that increased MMP-12 may be protective against ischemic stroke (P=5.5×10-7), which is in the opposite direction of the observational analyses.

CONCLUSIONS: The present meta-analysis discovered several proteins related to carotid atherosclerosis that partly differed in their association with IMT-CCA, plaque, and incident atherosclerotic disease. Mendelian randomization analysis for the top finding, MMP-12, suggests that the increased levels of MMP-12 could be a consequence of atherosclerotic burden rather than the opposite chain of events.

Department/s

  • Nutrition Epidemiology
  • EXODIAB: Excellence of Diabetes Research in Sweden
  • EpiHealth: Epidemiology for Health
  • Diabetes - Cardiovascular Disease
  • Hepato-Pancreato-Biliary Surgery
  • Surgery (Lund)
  • Cardiovascular Research - Hypertension
  • Cardiovascular Research - Epidemiology

Publishing year

2021-03-04

Language

English

Publication/Series

Arteriosclerosis, Thrombosis, and Vascular Biology

Volume

41

Issue

5

Document type

Journal article

Publisher

Lippincott Williams & Wilkins

Topic

  • Cardiac and Cardiovascular Systems

Status

Published

Research group

  • Nutrition Epidemiology
  • Diabetes - Cardiovascular Disease
  • Hepato-Pancreato-Biliary Surgery
  • Cardiovascular Research - Hypertension
  • Cardiovascular Research - Epidemiology

ISBN/ISSN/Other

  • ISSN: 1524-4636