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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">kpccz</journal-id><journal-title-group><journal-title xml:lang="ru">Комплексные проблемы сердечно-сосудистых заболеваний</journal-title><trans-title-group xml:lang="en"><trans-title>Complex Issues of Cardiovascular Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2306-1278</issn><issn pub-type="epub">2587-9537</issn><publisher><publisher-name>Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17802/2306-1278-2022-11-3-162-176</article-id><article-id custom-type="elpub" pub-id-type="custom">kpccz-1171</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>ОНЛАЙН. ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ. Патологическая физиология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ONLINE. ORIGINAL STUDIES. Pathological physiology</subject></subj-group></article-categories><title-group><article-title>Сократительные белки сосудистых гладкомышечных клеток – универсальные маркеры сосудов микроциркуляторного русла</article-title><trans-title-group xml:lang="en"><trans-title>Vascular smooth muscle cell contractile proteins as universal markers of vessels of microcirculatory bed</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4124-2316</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богданов</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanov</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богданов Лев Александрович - младший научный сотрудник лаборатории молекулярной, трансляционной и цифровой медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Leo A. Bogdanov - Junior Researcher at the Laboratory for Molecular, Translational, and Digital Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><email xlink:type="simple">bogdanovleone@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/0000-0002-1079-1956</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Великанова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Velikanova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Великанова Елена Анатольевна - кандидат биологических наук, научный сотрудник лаборатории клеточных технологий отдела экспериментальной медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Elena A. Velikanova - PhD, Researcher at the Laboratory for Tissue Engineering, Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2810-3100</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каноныкина</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kanonykina</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каноныкина Анастасия Юрьевна - младший научный сотрудник лаборатории молекулярной, трансляционной и цифровой медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Anastasia Yu. Kanonykina - Junior Researcher at the Laboratory for Molecular, Translational, and Digital Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1746-8895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фролов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фролов Алексей Витальевич - кандидат медицинских наук, старший научный сотрудник лаборатории рентгенэндоваскулярной и реконструктивной хирургии сердца и сосудов отдела хирургии сердца и сосудов.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Alexey V. Frolov - MD, PhD, Senior Researcher at the Laboratory of Reconstructive Surgery, Department of Cardiovascular Surgery, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1518-3888</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шишкова</surname><given-names>Д. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Shishkova</surname><given-names>D. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шишкова Дарья Кирилловна - кандидат биологических наук научный сотрудник лаборатории молекулярной, трансляционной и цифровой медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Daria K. Shishkova - PhD, Researcher at the Laboratory for Molecular, Translational, and Digital Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1867-6354</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазебная</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Lazebnaya</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лазебная Анастасия Ивановна - младший научный сотрудник лаборатории молекулярной, трансляционной и цифровой медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Anastasia I. Lazebnaya - BSc, Junior Researcher at the Laboratory for Molecular, Translational, and Digital Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8679-4857</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутихин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutikhin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кутихин Антон Геннадьевич - кандидат медицинских наук заведующий лабораторией молекулярной, трансляционной и цифровой медицины.</p><p>Сосновый бульвар, 6, Кемерово, 650002.</p></bio><bio xml:lang="en"><p>Anton G. Kutikhin - MD, PhD, Head of the Laboratory for Molecular, Translational, and Digital Medicine, Research Institute for Complex Issues of Cardiovascular Diseases.</p><p>6, Sosnoviy Blvd., Kemerovo, 650002.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний<country>Россия</country></aff><aff xml:lang="en">Research Institute for Complex Issues of Cardiovascular Diseases<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>10</month><year>2022</year></pub-date><volume>11</volume><issue>3</issue><fpage>162</fpage><lpage>176</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Богданов Л.А., Великанова Е.А., Каноныкина А.Ю., Фролов А.В., Шишкова Д.К., Лазебная А.И., Кутихин А.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Богданов Л.А., Великанова Е.А., Каноныкина А.Ю., Фролов А.В., Шишкова Д.К., Лазебная А.И., Кутихин А.Г.</copyright-holder><copyright-holder xml:lang="en">Bogdanov L.A., Velikanova E.A., Kanonykina A.Y., Frolov A.V., Shishkova D.K., Lazebnaya A.I., Kutikhin A.G.</copyright-holder><license 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.nii-kpssz.com/jour/article/view/1171">https://www.nii-kpssz.com/jour/article/view/1171</self-uri><abstract><sec><title>Основные положения</title><p>Основные положения. Показано, что использование маркеров сосудистых гладкомышечных клеток, к примеру тяжелых цепей миозина гладких мышц (SM-MHC) и альфа-актина гладких мышц (α-SMA), для иммунодетекции сосудов микроциркуляторного русла сосудистой стенки (vasa vasorum) предпочтительнее применения эндотелиальных маркеров (CD31 и VE-кадгерин), поскольку позволяет определять сосудистую геометрию вне зависимости от артефактов пробоподготовки и обеспечивает идеальное соотношение «сигнал – шум».</p><p>За исключением эластических мембран, позволяющих дифференцировать артериолы от венул и капилляров, в тканях сосудов взрослого человека не выявлено специфичных маркеров артериальной, венозной и капиллярной дифференцировки, хотя в аортах крыс маркерами венозной дифференцировки служили транскрипционные факторы KLF2 и PROX1, а маркером капиллярной дифференцировки – транскрипционный фактор HEY1.</p></sec><sec><title>Цель</title><p>Цель. Разработать оптимальный способ детекции сосудов микроциркуляторного русла и оценить подходы к дифференциальному окрашиванию артериол, венул и капилляров на примере сети vasa vasorum большой подкожной вены (БПВ) человека и аорты крысы.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Для исследования использовали сегменты БПВ, извлеченные в процессе коронарного шунтирования, а также аорты нормолипидемических и нормотензивных крыс Wistar. Серийные криосрезы анализировали при помощи окрашивания гематоксилином и эозином, пентахромного окрашивания по Расселлу – Мовату, иммунофлюоресцентного окрашивания на маркеры эндотелиальных клеток (ЭК) (CD31 и VE-кадгерин), сосудистых гладкомышечных клеток (СГМК) (SM-MHC и α-SMA), механочувствительных транскрипционных факторов (KLF2 и KLF4), транскрипционные факторы артериальной дифференцировки (HES1, HEY1, ERG), транскрипционные факторы и маркеры венозной дифференцировки (NR2F2, NRP2), транскрипционные факторы и маркеры лимфатической дифференцировки (PROX1, LYVE1, VEGFR3), а также иммуногистохимического окрашивания на маркеры венозной дифференцировки NR2F2. Готовые микропрепараты анализировали посредством световой и конфокальной микроскопии.</p></sec><sec><title>Результаты</title><p>Результаты. В  сравнении  с  маркерами  ЭК  (CD31  и VE-кадгерином)  маркеры  СГМК (SM-MHC и α-SMA) позволяли осуществлять объективную визуализацию и оценку сосудистой геометрии и обеспечивали максимальное соотношение «сигнал – шум» независимо от вида маркера, типа сосуда или антитела. Аутофлюоресценция и специфичный гистологический паттерн эластических мембран в ходе окрашивания по Расселлу – Мовату позволяли дифференцировать артериолы от остальных сосудов микроциркуляторного русла. Несмотря на то что иммуноокрашивание аорт крыс показало специфичные маркеры венозного (KLF2 и PROX1) и капиллярного (HEY1) эндотелия, данные находки не нашли подтверждения при иммуноокрашивании БПВ человека. Таким образом, специфичных маркеров венул и капилляров в тканях взрослого человека не идентифицировано, несмотря на анализ широкой палитры классических маркеров различных эндотелиальных дифферонов.</p></sec><sec><title>Заключение</title><p>Заключение. Для иммунодетекции сосудов микроциркуляторного русла целесообразно использовать маркеры СГМК (SM-MHC и α-SMA), а не маркеры ЭК (CD31 и VE-кадгерин). Отсутствие специфичных маркеров дифференцировки микрососудов (в частности vasa vasorum) позволяет предположить пентахромное окрашивание по Расселлу – Мовату в качестве оптимальной опции для машинного обучения нейронных сетей с целью анализа сосудов микроциркуляторного русла.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Highlights</title><p>Highlights. The use of vascular smooth muscle cell markers, e.g. smooth muscle myosin heavy chain (SM-MHC) and alpha smooth muscle actin (α-SMA) for immunodetection of adventitial and perivascular microvessels (vasa vasorum) is preferrable over endothelial markers (CD31 and VE-cadherin) as it allows to define vascular geometry regardless of sectioning artifacts and provides ideal signal-to-noise ratio.</p><p>Aside from elastic laminae which discriminate arterioles from venules and capillaries, we were unable to confirm any specific markers of arterial, venous, and capillary differentiation, although KLF2 and PROX1 transcription factors indicated venous specification and HEY1 suggested capillary identity in rat aortas.</p></sec><sec><title>Aim</title><p>Aim. To develop an optimal approach to detection of microvessels and to evaluate the techniques for the differential immunostaining of arterioles, venules, and capillaries in human saphenous veins and rat aortas.</p></sec><sec><title>Methods</title><p>Methods. Saphenous veins excised during the coronary artery bypass graft surgery were used for the study. Serial cryosections were analyzed by means of haematoxylin and eosin and Russell-Movat’s pentachrome stainings and by immunofluorescent staining for endothelial cell markers (CD31 and VE-cadherin), vascular smooth muscle cell markers (SM-MHC and α-SMA), mechanosensitive transcription factors (KLF2 and KLF4), transcription factors of arterial specification (HES1, HEY1, ERG), transcription factors and markers of venous identity (NR2F2, NRP2), and transcription factors and markers of lymphatic lineage (PROX1, LYVE1, VEGFR3). Samples were visualized by light and confocal microscopy.</p></sec><sec><title>Results</title><p>Results. In comparison with endothelial cell markers (CD31 and VE-cadherin), vascular smooth muscle cell markers (SM-MHC and α-SMA) permitted objective evaluation of vascular geometry and maximized signal-to-noise ratio irrespective of specific marker, microvessel specification or antibody used. Autofluorescence and specific histological  pattern  of  elastic  membranes  at  Russell-Movat’s  pentachrome staining allowed to discriminate arterioles from venules and capillaries. Albeit immunostaining of rat aortas found specific markers of venous endothelial cells (KLF2 and PROX1) and capillary endothelial cells (HEY1), these findings have not been confirmed in saphenous veins. We were unable to find specific markers of human venules and capillaries among the saphenous vein vasa vasorum despite an extensive screening of multiple markers.</p></sec><sec><title>Conclusion</title><p>Conclusion. Immunodetection of microvessels (e.g., vasa vasorum) should be performed by using vascular smooth muscle cell markers (SM-MHC and α-SMA) rather than endothelial cell markers (CD31 and VE-cadherin). Lack of specific markers to discern microvessels of different lineages suggests Russell-Movat’s pentachrome staining as an optimal option for the machine learning of neural networks to analyse the microvessels including vasa vasorum.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>vasa vasorum</kwd><kwd>сосуды микроциркуляторного русла</kwd><kwd>CD31</kwd><kwd>VE-кадгерин</kwd><kwd>SM-MHC</kwd><kwd>α-SMA</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vasa vasorum</kwd><kwd>microvessels</kwd><kwd>CD31</kwd><kwd>VE-cadherin</kwd><kwd>SM-MHC</kwd><kwd>α-SMA</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена при поддержке комплексной программы фундаментальных научных исследований СО РАН в рамках фундаментальной темы НИИ КПССЗ № 0419-2021-001 «Разработка новых фармакологических подходов к экспериментальной терапии атеросклероза и комплексных цифровых решений на основе искусственного интеллекта для автоматизированной диагностики патологий системы кровообращения и определения риска летального исхода» при финансовой поддержке Министерства науки и высшего образования Российской Федерации в рамках национального проекта «Наука и университеты».</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">Boyle E.C., Sedding D.G., Haverich A. 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