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Updated: Oct 18, 2025

In Vitro Model of Coronary Angiogenesis
Published on: March 10, 2020
Involvement of Angiogenesis in the Pathogenesis of Coronary Aneurysms
Sylwia Iwańczyk1, Tomasz Lehmann2, Artur Cieślewicz3
1Department of Cardiology, Poznan University of Medical Sciences, 61-848 Poznań, Poland.
Insights
Coronary artery abnormal dilation (CAAD) is linked to higher vascular endothelial growth factor (VEGF) levels. Pathological angiogenesis and inflammation are key factors in the development of CAAD.
Area of Science:
- Cardiovascular Research
- Angiogenesis Studies
- Inflammation Research
Background:
- Coronary artery abnormal dilation (CAAD) pathogenesis is not fully understood.
- The role of angiogenic and inflammatory factors in CAAD requires further investigation.
Purpose of the Study:
- To evaluate plasma concentrations of key angiogenic and inflammatory factors in patients with CAAD.
- To determine the association between these factors and the development of CAAD.
Main Methods:
- Sandwich ELISA technique was employed to measure plasma levels of MMP-8, TGF-β1, Angiopoietin-2, VEGF, and FGF.
- Plasma samples were analyzed from three groups: CAAD patients, coronary artery disease (CAD) patients, and normal coronary arteries (NCA) controls.
Main Results:
- Significantly elevated plasma concentrations of vascular endothelial growth factor (VEGF) were observed in CAAD patients compared to controls (p = 0.002).
- Elevated VEGF suggests a role for pathological angiogenesis in CAAD.
- The findings indicate a potential link between inflammation and aneurysmal dilatation of coronary arteries.
Conclusions:
- Pathological angiogenesis, indicated by elevated VEGF, plays a crucial role in the pathogenesis of CAAD.
- Inflammatory processes are also implicated as significant contributors to the development of coronary artery aneurysms.
Abstract:
The present study aimed to evaluate the plasma concentration of pro and antiangiogenic factors and their role in the pathogenesis of coronary artery abnormal dilation (CAAD). We measured the plasma concentration of matrix metalloproteinase-8 (MMP-8), transforming growth factor beta 1 (TGF-β1), Angiopoietin-2, vascular endothelial growth factor (VEGF), and fibroblast growth factor (FGF) using a sandwich ELISA technique in the plasma of patients with coronary artery abnormal dilation (CAAD, Group 1), coronary artery disease (CAD, Group 2), and normal coronary arteries (NCA, Group 3). Patients suffering from CAAD showed significantly higher plasma concentrations of VEGF (p = 0.002) than those from the control group. Both pathological angiogenesis and inflammation appear to be crucial in the pathogenesis of aneurysmal dilatation of the coronary arteries.
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