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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2021-36-2-45-51</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-1190</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Циркулирующие FoxP3+ Т-лимфоциты при хронической ишемической болезни сердца: взаимосвязь с тяжестью атеросклероза и состоянием обмена липидов</article-title><trans-title-group xml:lang="en"><trans-title>Circulating FoxP3+ T-lymphocytes in chronic coronary artery disease: Associations with the severity of atherosclerosis and lipid metabolism</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4537-0008</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кологривова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kologrivova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кологривова Ирина Вячеславовна, канд. мед. наук, научный сотрудник, отделение клинической лабораторной диагностики</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Irina V. Kologrivova, Cand. Sci. (Med.), Research Scientist, Clinical Diagnostic Laboratory</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">kologrivova@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/0000-0001-9645-6720</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суслова</surname><given-names>Т. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Suslova</surname><given-names>T. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Суслова Татьяна Евгеньевна, канд. мед. наук, заведующий отделением клинической лабораторной диагностики</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Tatiana E. Suslova, Cand. Sci. (Med.), Head of Clinical Diagnostic Laboratory</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">tes@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6679-1269</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кошельская</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Koshelskaya</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кошельская Ольга Анатольевна, д-р мед. наук, профессор, ведущий научный сотрудник, отделение атеросклероза и хронической ишемической болезни сердца</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Olga A. Koshelskaya, Dr. Sci. (Med.), Professor, Leading Research Scientist, Department of Atherosclerosis and Coronary Artery Disease</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">koshel@live.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2818-5882</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харитонова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharitonova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Харитонова Ольга Анатольевна, младший научный сотрудник, отделение атеросклероза и хронической ишемической болезни сердца</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Olga A. Kharitonova, Junior Research Scientist, Department of Atherosclerosis and Coronary Artery Disease</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">hoa@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1253-3352</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трубачева</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Trubacheva</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трубачева Оксана Александровна, канд. мед. наук, научный сотрудник, отделение клинической лабораторной диагностики</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Oksana A. Trubacheva, Cand. Sci. (Med.), Research Scientist, Clinical Diagnostic Laboratory, Cardiology Research Institute</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">otrubacheva@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1235-9956</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравченко</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchenko</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кравченко Елена Сергеевна, младший научный сотрудник, отделение клинической лабораторной диагностики</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Elena S. Kravchenko, Junior Research Scientist, Clinical Diagnostic Laboratory</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">nikonovaes@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт кардиологии, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>07</month><year>2021</year></pub-date><volume>36</volume><issue>2</issue><fpage>45</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кологривова И.В., Суслова Т.Е., Кошельская О.А., Харитонова О.А., Трубачева О.А., Кравченко Е.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Кологривова И.В., Суслова Т.Е., Кошельская О.А., Харитонова О.А., Трубачева О.А., Кравченко Е.С.</copyright-holder><copyright-holder xml:lang="en">Kologrivova I.V., Suslova T.E., Koshelskaya O.A., Kharitonova O.A., Trubacheva O.A., Kravchenko E.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.sibjcem.ru/jour/article/view/1190">https://www.sibjcem.ru/jour/article/view/1190</self-uri><abstract><sec><title>Введение</title><p>Введение. Транскрипционный фактор forkhead box protein P3 (FoxP3) является главным регулятором активности Т-регуляторных (Тreg) лимфоцитов и может экспрессироваться в Т-конвенционные лимфоциты (Tconv) на этапе их активации.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: изучение количественного содержания и качественных характеристик FoxP3+ Tconv и Тreg- лимфоцитов и их взаимосвязи с показателями липидного обмена у пациентов c хронической ишемической болезнью сердца (ИБС) в зависимости от тяжести коронарного атеросклероза.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследование вошли 14 пациентов с документированной хронической ИБС (8 мужчин и 6 женщин; средний возраст – 66,5 ± 9,0 лет). Всем пациентам проводили ангиографию, на основании данных которой оценивали тяжесть атеросклероза путем расчета индекса Gensini Score (GS). В зависимости от выраженности коронарного атеросклероза пациенты были разделены на 2 группы: в 1-ю группу вошли пациенты с GS &lt; 20 баллов, во 2-ю группу – c GS ≥ 20 баллов. У всех пациентов определяли абсолютное и относительное содержание FoxP3+ Treg и Tconv-лимфоцитов и уровень ядерной транслокации FoxP3 в них методом проточной цитометрии с визуализацией. Методом иммуноферментного анализа оценивали концентрацию инсулина, пропротеиновой конвертазы субтилизин- кексинового типа 9 (PCSK9), сортилина. Стандартными методами определяли содержание показателей углеводного обмена и липидного спектра крови.</p></sec><sec><title>Результаты</title><p>Результаты. Количественное содержание Treg- и Tconv-лимфоцитов не различалось в группах пациентов с различной выраженностью атеросклероза. Однако группа пациентов с GS ≥ 20 баллов характеризовалась более низкой интенсивностью флуоресценции нуклеарного FoxP3 в Тreg-лимфоцитах и Тconv-лимфоцитах. В общей выборке пациентов индекс GS имел тенденцию к обратной взаимосвязи с интенсивностью флуоресценции FoxP3 в ядрах Treg- лимфоцитов (rs = –0,476) и Tconv-лимфоцитов (rs = –0,526). Количественные и качественные показатели FoxP3+ Treg и FoxP3+ Tconv-лимфоцитов характеризовались наличием многочисленных корреляционных взаимосвязей с содержанием PCSK9, сортилина, аполипопротеина В (апо-В) и соотношением триглицеридов/холестерола липопротеинов высокой плотности (ТГ/ХС-ЛВП).</p></sec><sec><title>Заключение</title><p>Заключение. Интенсивность флуоресценции FoxP3 в ядре Tconv-лимфоцитов является более чувствительным маркером иммунорегуляторного дисбаланса при хронической ИБС по сравнению с количественным содержанием FoxP3+ Т-клеток в циркулирующей крови, которое остается практически неизменным по мере нарастания выраженности атеросклероза. При этом маркеры метаболизма липидов находятся в тесной взаимосвязи как с количественными, так и качественными параметрами FoxP3+ Т-лимфоцитов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The transcription factor forkhead box protein P3 (FoxP3) is a major regulator of T-regulatory (Treg) lymphocytes and may be expressed in T-conventional (Tconv) lymphocytes at the stage of their activation. The aim of the present study was to evaluate the quantities and features of FoxP3+ Tconv and Treg lymphocytes and their relationships with the parameters of lipid metabolism in patients with chronic coronary artery disease (CAD) depending on the severity of coronary atherosclerosis.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. The study comprised 14 patients (8 men and 6 women) aged 66.5 ± 9.0 years with verified chronic CAD. All the patients underwent coronary angiography and assessment of atherosclerosis severity by calculation of Gensini Score index (GS). Patients were divided into the following groups: group 1 had GS &lt; 20; group 2 had GS ≥ 20. The absolute and relative counts of FoxP3+ Treg and Tconv lymphocytes and degree of FoxP3 nuclear translocation were evaluated in all patients by imaging flow cytometry. Concentrations of insulin, proprotein convertase subtilisin/kexin type 9 (PCSK9), and sortilin were assessed using enzyme-linked immunosorbent assay. Parameters of glucose metabolism and serum lipid spectrum were determined by the standard methods.</p></sec><sec><title>Results</title><p>Results. Counts of Treg and Tconv lymphocytes did not differ between groups of patients with different severity of atherosclerosis. However, patients with GS ≥ 20 had lower intensity of nuclear FoxP3 fluorescence in Treg and Tconv lymphocytes. GS index in the entire group of CAD patients tended to be negatively associated with the fluorescence intensity of FoxP3 in the nuclei of Treg (rs = –0.476) and Tconv lymphocytes (rs = –0.526). Multiple correlations existed between the quantitative and qualitative parameters of FoxP3+ Treg and FoxP3+ Tconv lymphocytes and metabolic parameters such as concentrations of PCSK9, sortilin, apolipoprotein B, and triglycerides/HDL cholesterol ratio.</p></sec><sec><title>Conclusion</title><p>Conclusion. FoxP3 fluorescence intensity in the nuclei of T conventional lymphocytes was more sensitive marker of immunoregulatory imbalance in chronic CAD compared to counts of FoxP3+ T cells in the peripheral blood, which remained nearly unaltered with the increase in atherosclerosis severity. At the same time, markers of lipid metabolism were tightly associated with both quantitative and qualitative features of FoxP3+ T-lymphocytes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>транскрипционный фактор FoxP3</kwd><kwd>регуляторные Т-лимфоциты</kwd><kwd>конвенционные Т-лимфоциты</kwd><kwd>проточная цитометрия с визуализацией</kwd><kwd>PCSK9</kwd><kwd>сортилин</kwd><kwd>ишемическая болезнь сердца</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transcription factor FoxP3</kwd><kwd>regulatory T-lymphocytes</kwd><kwd>conventional T-lymphocytes</kwd><kwd>imaging flow cytometry</kwd><kwd>PCSK9</kwd><kwd>sortilin</kwd><kwd>coronary artery disease</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">Dietel B., Cicha I., Voskens C.J., Verhoeven E., Achenbach S., Garlichs C.D. 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