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Published on: October 12, 2017

Association of lipopolysaccharide-binding protein and coronary artery disease in men

Philipp M Lepper1, Christian Schumann, Kathy Triantafilou

  • 1Department of Intensive Care Medicine, University Hospital of Bern (Inselspital), Bern, Switzerland. philipp.lepper@insel.ch

Journal of the American College of Cardiology
|July 3, 2007
PubMed

Insights

Lipopolysaccharide-binding protein (LBP) may serve as a novel biomarker for coronary artery disease (CAD) in men. Elevated LBP levels indicate innate immune activation and predict prevalent CAD independently of traditional risk factors.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Biomarker Discovery

Background:

  • The role of innate immune responses in atherosclerosis development is not fully understood.
  • Lipopolysaccharide-binding protein (LBP) is crucial in initiating innate immune recognition of pathogens.
  • LBP's function suggests its potential as a biomarker for immune activation in cardiovascular disease.

Purpose of the Study:

  • To investigate whether lipopolysaccharide-binding protein (LBP) can be utilized as a biomarker for coronary artery disease (CAD).
  • To assess the association between LBP levels and the presence and severity of CAD.
  • To determine if LBP is an independent predictor of CAD.

Main Methods:

  • Studied 247 men undergoing coronary angiography.
  • Assessed coronary atherosclerosis using "extent score" and "severity score."
  • Measured serum LBP levels, inflammation markers, and traditional cardiovascular risk factors.

Main Results:

  • Serum LBP concentrations were significantly higher in patients with confirmed CAD compared to those without.
  • LBP levels were positively correlated with the extent and severity of coronary atherosclerosis.
  • LBP was identified as a significant and independent predictor of prevalent CAD in multivariable analyses.

Conclusions:

  • Lipopolysaccharide-binding protein (LBP) shows potential as a novel biomarker for diagnosing CAD in men.
  • These findings highlight the potential involvement of innate immune mechanisms in the pathogenesis of CAD.
  • Further research is needed to confirm these results and elucidate the pathogenetic links between innate immunity and atherosclerosis.
Abstract

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