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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">812</article-id><article-id pub-id-type="doi">10.54101/ACEN.2022.1.1</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">MicroRNA as significant biomarkers of cerebrovascular atherosclerosis</article-title><trans-title-group xml:lang="ru"><trans-title>МикроРНК как значимые биомаркеры атеросклеротической цереброваскулярной патологии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0522-767X</contrib-id><name-alternatives><name xml:lang="en"><surname>Raskurazhev</surname><given-names>Anton A.</given-names></name><name xml:lang="ru"><surname>Раскуражев</surname><given-names>Антон Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), neurologist, researcher, 1st Neurology department</p></bio><bio xml:lang="ru"><p>к.м.н., врач-невролог, с.н.с. 1-го неврологического отделения</p></bio><email>rasckey@live.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9604-7775</contrib-id><name-alternatives><name xml:lang="en"><surname>Shabalina</surname><given-names>Alla A.</given-names></name><name xml:lang="ru"><surname>Шабалина</surname><given-names>Алла Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), leading researcher, Head, Laboratory of hemorheology, hemostasis and pharmacokinetics (with clinical laboratory diagnostics)</p></bio><bio xml:lang="ru"><p>д.м.н., в.н.с., рук. лаб. гемореологии, гемостаза и фармакокинетики (с клинической лабораторной диагностикой)</p></bio><email>ashabalina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4626-6520</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuznetsova</surname><given-names>Polina I.</given-names></name><name xml:lang="ru"><surname>Кузнецова</surname><given-names>Полина Игоревна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), neurologist, researcher, 1<sup>st</sup> Neurology department</p></bio><bio xml:lang="ru"><p>к.м.н., врач-невролог, н.с. 1-го неврологического отделения</p></bio><email>angioneurology0@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5883-8119</contrib-id><name-alternatives><name xml:lang="en"><surname>Tanashyan</surname><given-names>Marine M.</given-names></name><name xml:lang="ru"><surname>Танашян</surname><given-names>Маринэ Мовсесовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Prof., Corresponding member of RAS, Deputy Director for science, Head, 1<sup>st</sup> Neurological department</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, член-корреспондент РАН, зам. директора по научной работе, рук. 1-го неврологического отделения</p></bio><email>M_Tanashyan2004@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Center of Neurology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научный центр неврологии»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2022</year></pub-date><volume>16</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>5</fpage><lpage>13</lpage><history><date date-type="received" iso-8601-date="2022-01-18"><day>18</day><month>01</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-01-31"><day>31</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Raskurazhev A.A., Shabalina A.A., Kuznetsova P.I., Tanashyan M.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Раскуражев А.А., Шабалина А.А., Кузнецова П.И., Танашян М.М.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Raskurazhev A.A., Shabalina A.A., Kuznetsova P.I., Tanashyan M.M.</copyright-holder><copyright-holder xml:lang="ru">Раскуражев А.А., Шабалина А.А., Кузнецова П.И., Танашян М.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://annaly-nevrologii.com/pathID/article/view/812">https://annaly-nevrologii.com/pathID/article/view/812</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Carotid atherosclerosis (CA) is one of the main causes of ischaemic stroke. MicroRNA is a relatively new group of biomarkers, some of which are associated with atherogenesis.</p> <p>The <bold>aim</bold> of the study was to evaluate the expression of several microRNAs in patients with cerebrovascular disease, depending on the severity of CA.</p> <p><bold>Materials and methods.</bold> The study included 50 people (median age 66 [61; 71] years, 58% men) with cerebrovascular disease secondary to CA. The patients were divided into two groups: 16 patients (32%) had ≥70% internal carotid artery (ICA) stenosis (main group), while the remaining 34 patients had &lt;70% stenosis and formed the comparison group. Expression of the following microRNAs was measured: miR-126-5p, miR-126-3p, miR-29-5p, miR-29-3p, miR-33a-5p, miR-33a-3p, miR-21-5p and miR-21-3p.</p> <p><bold>Results.</bold> Compared to the comparison group, patients with a high degree of CA had reduced expression of miR-126-5p/-3p (4.8 and 5.9 vs. 8.5 and 7.6, respectively; p &lt; 0.001) and miR-29-3p (7.6 vs. 10.3; p &lt; 0.001), while miR-33a-5p expression was elevated (46.3 vs. 40.0; p &lt; 0.05). Cluster analysis confirmed typical expression patterns of these microRNAs in patients with varying degrees of ICA stenosis. Significant negative correlations were also found between the degree of stenosis and expression of miR-126-5p (ρ = –0.83; р &lt; 0.05), miR-126-3p (ρ = –0.64; р &lt; 0.05) and miR-29-3p (ρ = –0.62; р &lt; 0.05).</p> <p><bold>Conclusion.</bold> Based on an analysis of patients with cerebral atherosclerosis, the studied microRNAs can be divided into proatherogenic (miR-33a-5p/-3p) and atheroprotective (miR-126-5p/-3p, miR-29-3p, and mir-21-5p/-3p). These biomarkers can be diagnostically useful in predicting the risk of both CA progression and acute cerebrovascular accidents, yet prospective studies are required.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Каротидный атеросклероз (КА) является одной из главных причин ишемических нарушений мозгового кровообращения. МикроРНК — относительно новая группа биомаркеров, часть из которых ассоциирована с процессами атерогенеза.</p> <p><bold>Цель</bold> исследования — оценка экспрессии ряда микроРНК у пациентов с цереброваскулярной патологией (ЦВП) в зависимости от выраженности КА.</p> <p><bold>Материалы и методы.</bold> В исследование были включены 50 человек (медиана возраста 66 [61; 71] лет, 58% из них — мужчины) с ЦВП на фоне КА. Пациенты были разделены на две группы: у 16 пациентов (32%) стеноз внутренней сонной артерии (ВСА) составил 70% и более (основная группа), остальные 34 пациента со стенозом &lt;70% вошли в группу сравнения. Определяли экспрессию следующих микроРНК: miR-126-5p, miR-126-3p, miR-29-5p, miR-29-3p, miR-33a-5p, miR-33a-3p, miR-21-5p, miR-21-3p.</p> <p><bold>Результаты.</bold> У пациентов с КА высоких градаций по сравнению с группой сравнения была снижена экcпрессия miR-126-5p/-3p (4,8 и 5,9 vs. 8,5 и 7,6 соответственно; p &lt; 0,001), miR-29-3p (7,6 vs. 10,3; p &lt; 0,001) и повышена — miR-33a-5p (46,3 vs. 40,0; p &lt; 0,05). Кластерный анализ подтвердил характерные паттерны экспрессии указанных микроРНК у пациентов с разной степенью поражения ВСА. Также определены значимые отрицательные корреляции между степенью стеноза и экспрессией miR-126-5p (ρ = –0,83; р &lt; 0,05), miR-126-3p (ρ = –0,64; р &lt; 0,05) и miR-29-3p (ρ = –0,62; р &lt; 0,05).</p> <p><bold>Заключение.</bold> На основании анализа пациентов с атеросклеротической ЦВП представляется возможным разделить исследованные микроРНК на условно проатерогенные (miR-33a-5p/-3p) и атеропротективные (miR-126-5p/-3p, miR-29-3p, mir-21-5p/-3p). Указанные биомаркеры могут представлять диагностическую значимость в отношении предикции риска как прогрессирования КА, так и развития острых нарушений мозгового кровообращения, однако необходимы проспективные исследования.</p></trans-abstract><kwd-group xml:lang="en"><kwd>carotid atherosclerosis</kwd><kwd>cerebrovascular disease</kwd><kwd>microRNA</kwd><kwd>biomarkers</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>каротидный атеросклероз</kwd><kwd>цереброваскулярная патология</kwd><kwd>микроРНК</kwd><kwd>биомаркеры</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Song P., Fang Z., Wang H. et al. Global and regional prevalence, burden, and risk factors for carotid atherosclerosis: a systematic review, meta-analysis, and modelling study. Lancet Glob Health. 2020;8(5):e721–e729. DOI: 10.1016/S2214-109X(20)30117-0. 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