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The association between different monocyte subsets and coronary collateral development

Uğur Arslan1, İbrahim Kocaoğlu, Mesude Yılmaz Falay

  • 1Department of Cardiology, Türkiye Yüksek İhtisas Education and Research Hospital, Ankara, Turkey. ugurarslan5@yahoo.com

Coronary Artery Disease
|November 3, 2011
PubMed

Insights

Increased CD14++CD16- monocytes are linked to better coronary collateral development in stable coronary artery disease patients. This finding highlights a potential biomarker for assessing collateralization and guiding future research.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Biomarkers

Background:

  • Coronary artery disease (CAD) is a leading cause of mortality worldwide.
  • Collateral circulation plays a crucial role in mitigating ischemic damage in CAD.
  • Previous studies suggest a link between monocyte counts and collateral development.

Purpose of the Study:

  • To investigate the association between specific monocyte subsets and coronary collateral development.
  • To determine if CD14++CD16- and CD14+CD16+ monocyte levels correlate with good or poor collateralization in CAD patients.

Main Methods:

  • A cohort of 105 patients with significant coronary artery stenosis was analyzed.
  • Coronary collateral development was assessed using the Cohen-Rentrop grading method.
  • Monocyte subsets (CD14++CD16- and CD14+CD16+) were quantified via cytometric analysis.

Main Results:

  • Patients with good collateral development had significantly higher overall monocyte counts.
  • Circulating CD14++CD16- monocyte levels were markedly elevated in the good collateral group.
  • Multivariate analysis confirmed CD14++CD16- monocytes as an independent predictor of good collateralization.

Conclusions:

  • This study is the first to demonstrate a significant association between elevated CD14++CD16- monocyte levels and enhanced coronary collateral development.
  • CD14++CD16- monocytes may serve as a valuable biomarker for assessing collateral capacity in CAD.
  • Further research is warranted to elucidate the precise mechanisms underlying monocyte subset involvement in collateralization.
Abstract

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