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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">ophthalmology</journal-id><journal-title-group><journal-title xml:lang="ru">Офтальмология</journal-title><trans-title-group xml:lang="en"><trans-title>Ophthalmology in Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-5095</issn><issn pub-type="epub">2500-0845</issn><publisher><publisher-name>Ophthalmology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18008/1816-5095-2014-2-32-38</article-id><article-id custom-type="elpub" pub-id-type="custom">ophthalmology-22</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 И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL &amp; EXPERIMENTAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование динамики иммуноэкспрессии VEGF-фактора в тканях сетчатки на модели фотоиндуцированного тромбоза ветви центральной вены сетчатки</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of VEGF immune expression dynamics in the retina using photoinduced BRVO model</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>Белый</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyy</surname><given-names>Yu. A.</given-names></name></name-alternatives><email xlink:type="simple">nauka@mntk.kaluga.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>Терещенко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tereshchenko</surname><given-names>A. 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>Шацких</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shatskikh</surname><given-names>A. V.</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>Велибекова</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Velibekova</surname><given-names>D. S.</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>Ревищин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Revishchin</surname><given-names>A. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Калужский филиал ФГ БУ «МНТК «Микрохирургия глаза» им. акад. С. Н . Федорова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kaluga branch of Microsurgery institution</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГ БУ «МНТ К «Микрохирургия глаза» им. акад. С. Н . Федорова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Microsurgery institution</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГ БУ Институт Биологии гена РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of gene Biology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>08</day><month>07</month><year>2014</year></pub-date><volume>11</volume><issue>2</issue><fpage>32</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белый Ю.А., Терещенко А.В., Шацких А.В., Велибекова Д.С., Ревищин А.В., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Белый Ю.А., Терещенко А.В., Шацких А.В., Велибекова Д.С., Ревищин А.В.</copyright-holder><copyright-holder xml:lang="en">Belyy Y.A., Tereshchenko A.V., Shatskikh A.V., Velibekova D.S., Revishchin A.V.</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.ophthalmojournal.com/opht/article/view/22">https://www.ophthalmojournal.com/opht/article/view/22</self-uri><abstract><sec><title>Цель</title><p>Цель: На модели фотоиндуцированного тромбоза ветви центральной вены сетчатки (ЦВС) определить динамику иммуноэкспрессии сосудистого эндотелиального фактора роста (VEGF) в тканях сетчатки и установить сроки появления неоваскуляризации.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Моделирование тромбоза ветви ЦВС выполнено на 21 кролике (21 глаз) породы шиншилла весом 1,5‑2 кг (парные глаза использованы для контроля). Животным внутривенно вводили фотосенсибилизатор «Фотодитазин» в дозе 2,5 мг / кг веса. Через 15 минут транспупиллярно осуществляли лазерное облучение ветви вены на выходе из диска зрительного нерва. Плотность энергии облучения составила 200 Дж / см2. Проводили гистологические и иммуногистохимические исследования сетчатки через 30 мин., на 1‑ые, 2‑ые, 3‑ьи, 7‑ые, 14‑ые и 30‑ые сутки после облучения.</p></sec><sec><title>Результаты</title><p>Результаты. Максимальное накопление VEGF при фотоиндуцированной модели тромбоза ветви ЦВС отмечено на 2‑е сутки, с 3‑го дня подтвержден факт непосредственного появления новообразованных сосудов. Стабильно высокое количество VEGF зафиксировано на всех сроках наблюдения до 30‑ти суток включительно.</p></sec><sec><title>Заключение</title><p>Заключение. Предприняты первые шаги по изучению иммунноэкспрессии VEGF в тканях сетчатки на фотоиндуцированной модели тромбоза ветви ЦВС после фотодинамического воздействия, что может явиться основой дальнейших исследований, направленных на определение оптимального анти-VEGF препарата, его дозировки и сроков назначения с целью коррекции данного патологического состояния.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To describe the dynamics of vascular endothelial growth factor (VEGF) immune expression in the retina using the model of photoinduced branch retinal vein occlusion (BRVO) and to establish the terms of neovascularization appearance.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. BRVO was modelled on 21 chinchilla rabbits (21 eyes) weighing 1.5‑2 kg (fellow eyes served as controls). Photosensitizer «Fotoditazin» (2.5 mg / kg) was injected intravenously. 15 min later, transpupillary laser irradiation of branch retinal vein near the optic nerve head was performed. Irradiation energy density was 200 J / cm2. Histological analysis and immunohistochemistry of the retina was performed following 30 min, at days 1, 2, 3, 7, 14 and 30.</p></sec><sec><title>Results</title><p>Results. Maximum VEGF accumulation in photoinduced BRVO model was observed on day 2. From day 3, direct neovascularization was confirmed. VEGF levels were stably high throughout the follow-up to the day 30 inclusive.</p></sec><sec><title>Conclusion</title><p>Conclusion. VEGF immune expression in the retina using the model of BRVO induced by photodynamic exposure was explored for the first time. These data can serve as the basis for future studies in order to define optimal anti-VEGF agent, its dosage and terms to manage this condition.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>фотоиндуцированный тромбоз ветви вены сетчатки</kwd><kwd>иммуноэкспрессия VEGF</kwd><kwd>неоваскуляризация.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>photoinduced branch retinal vein occlusion</kwd><kwd>VEGF immune expression</kwd><kwd>neovascularization</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">David R. P., Zangwill L., Badarna M., Yassur Y. Epidemiology of retinal vein occlusion and its assotiation with glaucoma and increased intraocular pressure. Ophthalmologica. 1988; 197 (2): 69‑74.</mixed-citation><mixed-citation xml:lang="en">David R. P., Zangwill L., Badarna M., Yassur Y. 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