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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2025-22-2-134-143</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-1030</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Распределение генетических полиморфизмов Leu33Pro гена ITGB3 и Thr715Pro гена SELP в популяции здоровых пациентов и пациентов с ишемической болезнью сердца</article-title><trans-title-group xml:lang="en"><trans-title>Distribution of the Leu33Pro polymorphisms of the ITGB3 gene and the Thr715Pro polymorphisms of the SELP gene in the population of healthy individuals and patients with coronary artery disease</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5017-9019</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черняк</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernyak</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черняк Александр Александрович – руководитель отделения.</p><p>Ул. Вореда, 04, район Лидета, Аддис-Абеба</p></bio><bio xml:lang="en"><p>Alexander A. Chernyak – Head of the Department.</p><p>Woreda 04 Str., sub-city Lideta, Addis Ababa</p></bio><email xlink:type="simple">chernyak.evs@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1706-1243</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Снежицкий</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Snezhitskiy</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Снежицкий Виктор Александрович – член-корреспондент, д-р мед. наук, профессор.</p><p>Ул. Горького, 80, 230009, Гродно</p></bio><bio xml:lang="en"><p>Victor A. Snezhitskiy – Corresponding Member, D. Sc. (Med.), Professor.</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">snezh@grsmu.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3337-4231</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степуро</surname><given-names>Т. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepuro</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Степуро Татьяна Леонидовна – канд. биол. наук, доцент.</p><p>Ул. Горького, 80, 230009, Гродно</p></bio><bio xml:lang="en"><p>Tatiana L. Stepuro – Ph. D. (Biol.), Associate Professor.</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">tatianastepuro31@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9369-4977</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гладкий</surname><given-names>М. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Hladki</surname><given-names>M. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гладкий Максим Леонидович – науч. сотрудник.</p><p>Ул. Горького, 80, 230009, Гродно</p></bio><bio xml:lang="en"><p>Maksim L. Hladki – Researcher.</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">maximhladki@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1244-2493</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янушко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanushka</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янушко Андрей Вячеславович – канд. мед. наук, доцент, глав. врач.</p><p>Ул. Болдина, 9, 230030, Гродно</p></bio><bio xml:lang="en"><p>Andrey V. Yanushka – Ph. D. (Med.), Associate Professor, Chief Physician.</p><p>9, Boldin Str., 230030, Grodno</p></bio><email xlink:type="simple">yanushkoa@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Госпиталь общего профиля «Шелковый путь»</institution></aff><aff xml:lang="en"><institution>Silk Road General Hospital</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Гродненский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Grodno State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Гродненский областной клинический кардиологический центр</institution></aff><aff xml:lang="en"><institution>Grodno Regional Clinical Cardiology Center</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>05</month><year>2025</year></pub-date><volume>22</volume><issue>2</issue><fpage>134</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Черняк А.А., Снежицкий В.А., Степуро Т.Л., Гладкий М.Л., Янушко А.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Черняк А.А., Снежицкий В.А., Степуро Т.Л., Гладкий М.Л., Янушко А.В.</copyright-holder><copyright-holder xml:lang="en">Chernyak A.A., Snezhitskiy V.A., Stepuro T.A., Hladki M.L., Yanushka A.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestimed.belnauka.by/jour/article/view/1030">https://vestimed.belnauka.by/jour/article/view/1030</self-uri><abstract><p>Ишемическая болезнь сердца (ИБС) остается ведущей причиной смертности и инвалидности во всем мире, несмотря на успехи в лечении. Генетические факторы (полиморфизмы генов) играют важную роль в патогенезе ИБС. Изучение полиморфизмов позволит улучшить понимание генетической предрасположенности к ИБС и персонализировать подходы к лечению.</p><p>Цель исследования – изучить распределение генотипов и аллелей полиморфизмов Leu33Pro (rs5918) гена ITGB3 и Thr715Pro (rs6136) гена SELP в группах пациентов с ИБС и у здоровых лиц.</p><p>В исследование были включены 209 пациентов, разделенных на три группы: здоровые лица (n = 31); пациенты с хроническим течением ИБС без показаний к инвазивной коронарографии (n = 30); пациенты с ИБС, которым выполнено плановое чрескожное коронарное вмешательство (n = 148). Для генотипирования полиморфизмов ITGB3 (Leu33Pro) и SELP (Thr715Pro) применяли метод полимеразной цепной реакции с использованием наборов реагентов производства «Синтол» (РФ), для статистической обработки данных – программу StatSoft STATISTICA 10.0. Использованы непараметрические методы анализа, включая критерии Манна–Уитни, Краскела–Уоллиса и точный критерий Фишера; уровень статистической значимости принят равным p &lt; 0,05.</p><p>В исследовании продемонстрировано, что распределение генотипов и аллелей полиморфных вариантов Leu33Pro гена ITGB3 и Thr715Pro гена SELP в исследуемой популяции, а также в каждой выделенной группе соответствует равновесию Харди–Вайнберга. При анализе частот встречаемости генотипов и аллелей в кодоминантной, доминантной, рецессивной и сверхдоминантной моделях наследования статистически значимых различий между группами не выявлено. Для полиморфизма Leu33Pro (T˃C, rs5918) гена ITGB3 отмечалось преобладание аллеля T (от 79,53 до 82,76 %), однако межгрупповые различия по генотипам и аллелям не достигли уровня статистической значимости. Сходная картина наблюдалась и для полиморфизма Thr715Pro (rs6136) гена SELP, показатели частоты генотипов и аллелей не различались между группами ни в одной из рассмотренных моделей наследования.</p><p>По результатам проведенного исследования по обоим изученным полиморфизмам (Leu33Pro (rs5918) гена ITGB3 и Thr715Pro (rs6136) гена SELP) не выявлено статистически значимых различий в распределении генотипов и аллелей между группами пациентов с ИБС и у здоровых лиц, что указывает на важность проведения более масштабных исследований с учетом этнических, поведенческих и иных факторов риска.</p></abstract><trans-abstract xml:lang="en"><p>Ischemic heart disease (IHD) remains a leading cause of mortality and disability worldwide despite advances in treatment. Genetic factors (polymorphisms of the genes) play a significant role in the pathogenesis of IHD. Studying polymorphisms may improve understanding of genetic predisposition to IHD and aid in personalizing therapeutic approaches.</p><p>The aim of the study is to investigate the distribution of genotypes and alleles of the Leu33Pro (rs5918) polymorphism in the ITGB3 gene and the Thr715Pro (rs6136) polymorphism in the SELP gene in groups of patients with IHD and healthy individuals.</p><p>The study included 209 participants divided into three groups: healthy individuals (n = 31), patients with chronic IHD without indications for invasive coronary angiography (n = 30), and patients with IHD who underwent elective PCI (n = 148). Genotyping of ITGB3 (Leu33Pro) and SELP (Thr715Pro) polymorphisms was performed using polymerase chain reaction with reagent kits manufactured by “Syntol” (Russia). Statistical analysis was conducted using the StatSoft STATISTICA 10.0 software. Non-parametric methods, including the Mann–Whitney test, Kruskal–Wallis test, and Fisher’s exact test, were used; the level of statistical significance was set at p &lt; 0.05.</p><p>The study demonstrated that the distribution of genotypes and alleles of the Leu33Pro (rs5918) polymorphism in the ITGB3 gene and the Thr715Pro (rs6136) polymorphism in the SELP gene in the studied population, as well as in each group, conforms to Hardy–Weinberg equilibrium. Analysis of genotype and allele frequencies across codominant, dominant, recessive, and overdominant inheritance models revealed no statistically significant differences between the groups. For the Leu33Pro (T˃C, rs5918) polymorphism in the ITGB3 gene, allele T predominated (ranging from 79.53 to 82.76 %); however, intergroup differences in genotypes and alleles did not reach statistical significance. A similar pattern was observed for the Thr715Pro (rs6136) polymorphism in the SELP gene, where genotype and allele frequencies did not differ between groups in any of the inheritance models analyzed.</p><p>The results of this study revealed no statistically significant differences in the distribution of genotypes and alleles for the two investigated polymorphisms (Leu33Pro (rs5918) in the ITGB3 gene and Thr715Pro (rs6136) in the SELP gene) between patients and healthy individuals. The absence of statistically significant differences highlights the importance of further largescale studies considering ethnic, and other risk factors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ишемическая болезнь сердца</kwd><kwd>генетические полиморфизмы</kwd><kwd>атеросклероз</kwd><kwd>чрескожное коронарное вмешательство</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary artery disease</kwd><kwd>genetic polymorphisms</kwd><kwd>atherosclerosis</kwd><kwd>percutaneous coronary intervention</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Individual and summed effects of high-risk genetic polymorphisms on recurrent cardiovascular events following ischemic heart disease / M. G. Andreassi, D. Adlerstein, C. 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