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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2026.02.59-62</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-3399</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF REPORT</subject></subj-group></article-categories><title-group><article-title>МикроРНК miR-23b-3p и miR-27b-3p демонстрируют сильную обратную корреляцию экспрессии и метилирования ДНК в области промоторного региона гена MIR23B в атеросклеротических бляшках сонных артерий</article-title><trans-title-group xml:lang="en"><trans-title>miR-23b-3p and miR-27b-3p demonstrate a strong inverse correlation of DNA expression and methylation in the MIR23B promoter region in carotid atherosclerotic plaques</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>Королёва</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Koroleva</surname><given-names>Iu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, Россия, ул. Набережная реки Ушайки, д. 10</p></bio><bio xml:lang="en"><p>10, Nab. Ushaiki, Tomsk, 634050, Russian Federation</p></bio><email xlink:type="simple">yuliya.koroleva@medgenetics.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зарубин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zarubin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, Россия, ул. Набережная реки Ушайки, д. 10</p></bio><bio xml:lang="en"><p>10, Nab. Ushaiki, Tomsk, 634050, Russian Federation</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Назаренко</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nazarenko</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, Россия, ул. Набережная реки Ушайки, д. 10</p></bio><bio xml:lang="en"><p>10, Nab. Ushaiki, Tomsk, 634050, Russian Federation</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт медицинской генетики, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>03</month><year>2026</year></pub-date><volume>25</volume><issue>2</issue><fpage>59</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Королёва Ю.А., Зарубин А.А., Назаренко М.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Королёва Ю.А., Зарубин А.А., Назаренко М.С.</copyright-holder><copyright-holder xml:lang="en">Koroleva I.A., Zarubin A.A., Nazarenko M.S.</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://www.medgen-journal.ru/jour/article/view/3399">https://www.medgen-journal.ru/jour/article/view/3399</self-uri><abstract><p>В качестве биохимического маркера нестабильности атеросклеротических бляшек (АСБ) сонных артерий отмечают изменение экспрессии микроРНК, на которое может влиять изменение уровня метилирования промотора генов микроРНК (MIR). Целью работы было выявление в атеросклеротических бляшках сонных артерий человека микроРНК с наиболее сильной связью уровня метилирования CpG-сайтов в промоторном регионе генов MIR и экспрессией зрелых микроРНК. ДНК и микроРНК для анализа выделены из АСБ пациентов с клинически выраженным атеросклерозом сонных артерий (n=14). Анализ метилирования ДНК проведен на метилочипе, экспрессии микроРНК – методом microRNA-seq. Выявлена обратная корреляция экспрессии miR-23b-3p и miR-27b-3p с метилированием cg09951047, cg20355301 и cg13972491. Полученные результаты говорят о важной роли метилирования промотора гена MIR23B в регуляции экспрессии кластера miR-23b/ -27b/ -24-1 при атеросклеротическом поражении сонных артерий.</p></abstract><trans-abstract xml:lang="en"><p>A change in microRNA expression, which can be influenced by a change in the methylation level of microRNA gene (MIR) promoters, is observed as a biochemical marker of carotid atherosclerotic plaques (ASP) instability. The aim of our work was to identify microRNAs with the strongest correlation between the level of methylation of CpG sites in the promoter region of MIR genes and the expression of mature microRNAs in atherosclerotic plaques of human carotid arteries. DNA and microRNA for analysis were isolated from the ASP of patients with advanced carotid atherosclerosis (n=14). DNA methylation was analyzed by the methyloarrays, and microRNA expression was analyzed using the microRNA–seq. The expression of miR-23b-3p and miR-27b-3p was inversely correlated with the methylation of cg09951047, cg20355301 and cg13972491. The results obtained indicate the important role of methylation of the MIR23B gene promoter in regulating the expression of the miR-23b/-27b/ -24-1 cluster in atherosclerotic lesions of the carotid arteries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>MIR23B</kwd><kwd>miR-23b-3p</kwd><kwd>miR-27b-3p</kwd><kwd>атеросклероз</kwd><kwd>метилирование ДНК</kwd><kwd>экспрессия</kwd><kwd>микроРНК</kwd></kwd-group><kwd-group xml:lang="en"><kwd>MIR23B</kwd><kwd>miR-23b-3p</kwd><kwd>miR-27b-3p</kwd><kwd>atherosclerosis</kwd><kwd>DNA methylation</kwd><kwd>microRNA</kwd><kwd>expression</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Государственного задания Министерства науки и высшего образования № 122020300041-7</funding-statement><funding-statement xml:lang="en">The work was carried out according to the State Assignment of the Ministry of Science and Higher Education No. 122020300041-7</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Huan T., Mendelson M., Joehanes R., et al. 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