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Expression of monocyte and lymphocyte adhesion molecules is increased in isolated coronary artery ectasia

Nesligul Yildirim1, Ishak O Tekin, Sait M Dogan

  • 1Departments of Cardiology, Faculty of Medicine, Zonguldak Karaelmas University, Kozlu/Zonguldak, Turkey. nesligul2004@hotmail.com

Coronary Artery Disease
|December 19, 2006
PubMed

Insights

Increased levels of CD11b and CD45 adhesion molecules on monocytes and lymphocytes indicate inflammation in coronary artery ectasia patients. These markers may signal endothelial activation, potentially contributing to the condition.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Inflammation Research

Background:

  • Coronary artery ectasia (CAE) involves abnormal coronary artery dilation.
  • The role of inflammation in CAE pathogenesis is not well understood.
  • Adhesion molecules like CD11b and CD45 are potential markers of inflammation.

Purpose of the Study:

  • To investigate the expression of CD11b and CD45 adhesion molecules in patients with CAE.
  • To assess if these molecules serve as indicators of inflammation in CAE.

Main Methods:

  • Studied 14 patients with CAE and 13 healthy controls.
  • Analyzed cell surface adhesion molecule expression on granulocytes, monocytes, and lymphocytes using flow cytometry.
  • Blood samples were collected post-coronary angiography.

Main Results:

  • Patients with CAE showed significantly higher expression of CD45 and CD11b on monocytes compared to controls.
  • Elevated levels of CD11b and CD45 were also observed on lymphocytes in CAE patients.
  • P-values indicated statistically significant differences for all comparisons.

Conclusions:

  • Elevated cellular adhesion molecules (CD11b, CD45) in CAE patients suggest endothelial activation and inflammation.
  • These adhesion molecules may play a role in the causal pathway of coronary artery ectasia.
Abstract

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