Affiliation:
1. The Institute of Internal and Preventive Medicine – a branch of a Federal Publicly Funded Institution “Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences”;
“Institute of Cytology and Genetics”, Siberian Branch of the Russian Academy of Sciences;
2. “Institute of Cytology and Genetics”, Siberian Branch of the Russian Academy of Sciences
3. The Institute of Internal and Preventive Medicine – a branch of a Federal Publicly Funded Institution “Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences”
4. Federal State Budgetary Institution “National Medical Research Center named after academician E.N. Meshalkin” of the Ministry of Health of the Russian Federation
Abstract
HighlightsThe study showed differences in the expression of a number of genes in atherosclerotic plaques of different types in patients with coronary atherosclerosis. The obtained data can become the basis for the development of test systems in order to determine the dynamics of the atherosclerotic process and detect signs of destabilization of the atherosclerotic plaque as early as possible. Aim. To study the differential expression of genes encoding molecules associated with the etiopathogenesis of atherosclerosis by the method of genome-wide RNA sequencing in stable atherosclerotic plaque of fibrous type and unstable atherosclerotic plaque of dystopic-necrotic type.Methods. The study was performed on samples of atherosclerotic plaques of patients with coronary atherosclerosis without acute coronary syndrome with stable angina pectoris of functional class II–IV (FC) at the age of 45-65 years. Tissue sampling of atherosclerotic plaques was performed intraoperatively in the presence of indications. Genome-wide RNA sequencing was performed using Illumina’s TruSeq RNA Sample Preparation Kit (Illumina, USA).Results. An increase in the level of gene expression in stable atherosclerotic plaques was noted for A2M, ADAMTS13, CSF3, CX3CL1, CXCL1, FGF2, GDF15, ICAM1, IL1A, IL1B, IL6, IL10, PDGFA, PTX3. There was an eightfold statistically significant increase in the level of CFD, CXCL16, FABP4, FLT3, IFNG, IL7, IL15, SELL, TGFA, THBD, TNNT1, VCAM1 and VEGFA gene expression (p<0,001) in unstable atherosclerotic plaques of dystrophic-necrotic type.Conclusion. The study showed differences in the expression of a number of genes in atherosclerotic plaques of different types in patients with coronary atherosclerosis. The obtained data can become the basis for the development of test systems in order to determine the dynamics of the atherosclerotic process and detect signs of destabilization of the atherosclerotic plaque as early as possible.
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