Rare Variants of Genes in Metabolic Pathways of Abdominal Obesity Formation in Men With Coronary Atherosclerosis: A Cross-Sectional Study
- Authors: Garbuzova E.V.1, Semaev S.E.1, Shakhtschneider E.V.1, Ivanoshchuk D.E.1, Timoshchenko O.V.1
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Affiliations:
- Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
- Section: Original research
- Submitted: 21.10.2025
- Accepted: 26.01.2026
- Published: 27.05.2026
- URL: https://kazanmedjournal.ru/kazanmedj/article/view/693963
- DOI: https://doi.org/10.17816/KMJ693963
- EDN: https://elibrary.ru/CAJNTT
- ID: 693963
Cite item
Abstract
BACKGROUND: Using common and rare molecular genetic markers, genetic risk scores for ischemic heart disease are being developed, and their associations with the severity of atherosclerosis, levels of low-density lipoprotein cholesterol, triglycerides, and non-HDL cholesterol are being studied.
AIM: To analyze nucleotide sequence variants in genes associated with metabolic processes, depending on the presence of unstable atherosclerotic plaques in the coronary arteries of patients with and without abdominal obesity.
METHODS: The study included 42 men aged 42–69 years (mean age 55.74 ± 5.85 years) with coronary atherosclerosis, either with or without abdominal obesity (22 patients without obesity and 17 with obesity). Whole-exome sequencing was performed using standard kits. Normality testing for variable distribution was performed using the Shapiro–Wilk test. Data for categorical variables are presented as absolute and relative values—n (%), for continuous variables—as Me (25; 75), where Me is the median, 25th and 75th percentiles (1st and 3rd quartiles).
RESULTS: Patients with coronary atherosclerosis and abdominal obesity were found to have rare variants with a minor allele frequency ≤0.001 (dbGaP) in the ADIPOQ (rs76533408) and APLNR (rs199589565, rs150922621) genes. Patients with coronary atherosclerosis, abdominal obesity, and unstable atherosclerotic plaques were found to have a rare variant rs190996557 in the CCL2 gene. A number of genetic variants associated with an increased risk of metabolic disorders and cardiovascular disease were identified in patients with coronary atherosclerosis and overweight. The rs4994 variant (G = 0.07) in the ADRB3 gene, associated with decreased hormone-sensitive lipase expression and an increased risk of developing obesity and ischemic heart disease, was identified. The rs3745368 variant of the RETN gene (A = 0.04) was associated with a predisposition to type 2 diabetes mellitus, hypertension, and insulin resistance. The rs696217 variant of the GHRL gene (T = 0.08) was associated with the risk of developing obesity.
CONCLUSION: Rare genetic variants in the ADIPOQ (rs76533408), APLNR (rs199589565, rs150922621) and CCL2 (rs190996557) genes were identified in patients with coronary atherosclerosis and abdominal obesity.
About the authors
Evgeniia V. Garbuzova
Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
Author for correspondence.
Email: stryukova.j@mail.ru
ORCID iD: 0000-0001-5316-4664
SPIN-code: 9177-6439
MD, Cand. Sci. (Medicine), research associate, Genetic and Environmental Determinants of the Human Life Cycle
Russian Federation, NovosibirskSergey E. Semaev
Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
Email: semaev@bionet.nsc.ru
ORCID iD: 0000-0003-3999-8501
SPIN-code: 9641-2299
junior research associate, lab. of molecular genetic research of therapeutic human diseases
Russian Federation, NovosibirskElena V. Shakhtschneider
Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
Email: shakhtshneyderev@bionet.nsc.ru
ORCID iD: 0000-0001-6108-1025
SPIN-code: 9453-9067
MD, Dr. Sci. (Medicine), leader research associate, lab. of molecular genetic research of therapeutic human diseases
Russian Federation, NovosibirskDinara E. Ivanoshchuk
Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
Email: dinara2084@mail.ru
ORCID iD: 0000-0002-0403-545X
SPIN-code: 8294-6980
research associate, lab. of molecular genetic research of therapeutic human diseases
Russian Federation, NovosibirskOlga V. Timoshchenko
Research Institute of Internal and Preventive Medicine, Branch of the Federal Research Center Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences
Email: lentis@yandex.ru
ORCID iD: 0000-0002-6584-2060
SPIN-code: 2202-3800
MD, Cand. Sci. (Medicine), research associate, lab. of Etiopathogenesis and Clinic of therapeutic human diseases
Russian Federation, NovosibirskReferences
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