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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">emcardio</journal-id><journal-title-group><journal-title xml:lang="ru">Неотложная кардиология и кардиоваскулярные риски</journal-title><trans-title-group xml:lang="en"><trans-title>Emergency Cardiology and Cardiovascular Risks journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2616-633X</issn><publisher><publisher-name>Белорусский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">emcardio-229</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>Оригинальные научные публикации</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Scientific Research</subject></subj-group></article-categories><title-group><article-title>Уровень гомоцистеина и полиморфизмы генов фолатного обмена у пациентов с ишемической болезнью сердца и сахарным диабетом 2 типа</article-title><trans-title-group xml:lang="en"><trans-title>The level of homocysteine and polymorphisms of genes of folate exchange in patients with coronary heart disease and diabetes mellitus type 2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давыдчик</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydchyk</surname><given-names>E. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><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><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><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. L.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дорошенко</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Doroshenko</surname><given-names>E. M.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>V. Yu.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>УО «Гродненский государственный медицинский университет»</institution></aff><aff xml:lang="en"><institution>Educational Institution «Grodno State Medical University»</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГП «Институт биохимии биологически активных соединений НАН Беларуси»</institution></aff><aff xml:lang="en"><institution>Institute of Biochemistry of Biologically Active Compounds of the NAS of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>11</day><month>11</month><year>2025</year></pub-date><volume>3</volume><issue>2</issue><elocation-id>690–696</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Давыдчик Э.В., Снежицкий В.А., Степуро Т.Л., Дорошенко Е.М., Смирнов В.Ю., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Давыдчик Э.В., Снежицкий В.А., Степуро Т.Л., Дорошенко Е.М., Смирнов В.Ю.</copyright-holder><copyright-holder xml:lang="en">Davydchyk E.V., Snezhitskiy V.A., Stepuro T.L., Doroshenko E.M., Smirnov V.Y.</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://emcardio.bsmu.by/jour/article/view/229">https://emcardio.bsmu.by/jour/article/view/229</self-uri><abstract><p>Цель исследования. Изучить уровень гомоцистеина (Нсу), распределение частот генотипов и аллелей полиморфных вариантов С677Т, А1298С гена метилентетрагидрофолатредуктазы (MTHFR), A66G гена метионинсинтазы-редуктазы (MTRR), А2756G гена метионинсинтазы (MTR) у пациентов с хронической ишемической болезнью сердца (ИБС) в сочетании с сахарным диабетом (СД) 2 типа.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the study is to investigate the level of homocysteine (Hcy), distribution of frequencies of alleles and genotypes of polymorphic options С677Т, А1298С of gene MTHFR, A66G of gene MTRR, А2756G of gene MTR in patients with chronic coronary heart disease (CHD) in combination with diabetes mellitus (DM) type 2.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ишемическая болезнь сердца</kwd><kwd>сахарный диабет 2 типа</kwd><kwd>гомоцистеин</kwd><kwd>полиморфные варианты С677Т</kwd><kwd>А1298С гена метилентетрагидрофолатредуктазы</kwd><kwd>А66G гена метионинсинтазы-редуктазы</kwd><kwd>А2756G гена метионинсинтазы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary heart disease</kwd><kwd>diabetes mellitus type 2</kwd><kwd>homocysteine</kwd><kwd>polymorphic options С677Т</kwd><kwd>А1298С of gene MTHFR</kwd><kwd>A66G of gene MTRR</kwd><kwd>А2756G of gene MTR</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">Snezhizkiy V.A., Pyrochkin A.V., Spas V.V., Doroshenko E.M., Egorova T.Yu., Mironchik EV., Naumov A.V., Yakubzevich R.E., Zuchovizkaya E.V., Plozkiy A.R., Yanushko T.V., Volod’ko Yu.S. 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