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Updated: May 6, 2026

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice
Published on: February 20, 2019
Coordination in gene expression during atherogenesis
T A Shchelkunova1, I A Morozov, P M Rubtsov
1Biological Faculty, Lomonosov Moscow State University, Moscow, 119899, Russia. schelkunova-t@mail.ru.
Gene expression regulation in atherosclerosis shows decreasing mRNA coupling with disease progression. Early lesions exhibit unique mRNA correlations, suggesting a distinct role in atherogenesis.
Area of Science:
- Cardiovascular Biology
- Molecular Biology
- Genomics
Background:
- Atherosclerosis involves complex gene expression changes.
- Understanding gene regulation is crucial for disease progression insights.
Purpose of the Study:
- Investigate gene expression regulation during atherogenesis.
- Analyze mRNA correlations across different lesion types.
Main Methods:
- Quantitative PCR to measure mRNA levels.
- Correlation analysis of 34 mRNA species in human aortic intima.
- Comparison across lesion types: normal, type I, type II, type Va.
Main Results:
- mRNA coupling decreased with disease progression.
- Increased mRNA correlation within sample types as disease advanced.
- Type I lesions showed a unique collapse in mRNA coupling.
- Four mRNA clusters emerged, varying with disease stage.
Conclusions:
- Gene expression coordination declines during atherogenesis.
- Type I lesions may have a distinct pathogenic role.
- Disease progression alters regulatory factor involvement in gene expression.
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