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Updated: Aug 30, 2026
A Human Ex Vivo Atherosclerotic Plaque Model to Study Lesion Biology
Published on: May 6, 2014
Functional proteomics of receptor-Ck in the developmental stages of human atherosclerotic arterial wall
1Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh.
Background:
The study was undertaken to understand the relationship between the functional proteomics of receptor-Ck and developmental stages of human atherosclerotic aortic wall.
Methods And Results:
Gene expression study of 25 aortas was undertaken and the results revealed a gradual increase in receptor-Ck gene expression paralleled by the regulatory response of its effector genes coding for sterol response element-binding protein, p27, cyclin D, interleukin-6 and CD40 from a normal to atherosclerotic arterial wall (viz. fatty streak and fibrofatty/fibrous plaque).
Conclusions:
Based upon this and our earlier studies, we propose that cholesterol-specific receptor-Ck-dependent gene regulation may be of crucial importance in atherogenesis.
Insights
This study shows that receptor-Ck gene expression increases with human atherosclerosis development, influencing key genes in cholesterol regulation and atherogenesis.
Area of Science:
- Cardiovascular Biology
- Molecular Genetics
- Proteomics
Background:
- Investigates the functional proteomics of receptor-Ck in the human atherosclerotic aortic wall.
- Examines the relationship between receptor-Ck and developmental stages of atherosclerosis.
Purpose of the Study:
- To understand the role of receptor-Ck in the development of human atherosclerosis.
- To explore the gene regulatory mechanisms involving receptor-Ck in the arterial wall.
Main Methods:
- Gene expression analysis of 25 human aortas.
- Assessed receptor-Ck expression and its effector genes.
Main Results:
- Observed a gradual increase in receptor-Ck gene expression from normal to atherosclerotic aortic tissue.
- Demonstrated parallel regulatory responses in effector genes like SREBP, p27, cyclin D, IL-6, and CD40.
- Correlated these changes with atherosclerotic progression (fatty streak to fibrofatty/fibrous plaque).
Conclusions:
- Proposes that cholesterol-specific, receptor-Ck-dependent gene regulation is critical in atherogenesis.
- Highlights the potential importance of receptor-Ck in the molecular pathways of atherosclerosis.
