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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">vestnik-bio-msu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Московского университета. Серия 16. Биология</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Moskovskogo universiteta. Seriya 16. Biologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0137-0952</issn><publisher><publisher-name>Lomonosov Moscow State University,  School of Biology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55959/MSU0137-0952-16-78-3-8</article-id><article-id custom-type="elpub" pub-id-type="custom">vestnik-bio-msu-1262</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>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLE</subject></subj-group></article-categories><title-group><article-title>Оценка состояния гематоретинального барьера при развитии признаков возрастной макулярной дегенерации у крыс OXYS</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the state of the blood-retinal barrier during the development of signs of age-related macular degeneration in OXYS rats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8096-0519</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Телегина</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Telegina</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Телегина Дарья Викторовна – канд. биол. наук, ст. науч. сотр. лаб. молекулярных механизмов старения. Тел.: 8-383-363-49-80*4128</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, д. 10</p></bio><bio xml:lang="en"><p>Laboratory of Ageing Molecular Mechanisms Rresearch</p><p>10 pr. Academica Lavrentieva, Novosibirsk, 630090</p></bio><email xlink:type="simple">telegina@bionet.nsc.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/0009-0003-0062-5537</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пеунов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Peunov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пеунов Даниил Александрович – аспирант лаб. молекулярных механизмов старения. Тел.: 8-383-363-49-80*4128</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, д. 10</p></bio><bio xml:lang="en"><p>Laboratory of Ageing Molecular Mechanisms Rresearch</p><p>10 pr. Academica Lavrentieva, Novosibirsk, 630090</p></bio><email xlink:type="simple">peunovda@bionet.nsc.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/0000-0002-9922-7496</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козлова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Козлова Татьяна Александровна – мл. науч. сотр. аспирант лаб. молекулярных механизмов старения. Тел.: 8-383-363-49-80*4129</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, д. 10</p></bio><bio xml:lang="en"><p>Laboratory of Ageing Molecular Mechanisms Rresearch</p><p>10 pr. Academica Lavrentieva, Novosibirsk, 630090</p></bio><email xlink:type="simple">kozlova@bionet.nsc.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/0000-0003-2398-8544</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колосова</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolosova</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колосова Наталия Гориславовна – докт. биол. наук, проф., зав. лабораторией молекулярных механизмов старения. Тел.: 8-383-363-49-80*4109</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, д. 10</p></bio><bio xml:lang="en"><p>Laboratory of Ageing Molecular Mechanisms Rresearch</p><p>10 pr. Academica Lavrentieva, Novosibirsk, 630090</p></bio><email xlink:type="simple">kolosova@bionet.nsc.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/0000-0001-6475-4061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кожевникова</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhevnikova</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кожевникова Оюна Суранзановна – канд. биол. наук, ст. науч. сотр. лаб. молекулярных механизмов старения. Тел.: 8-383-363-49-80*4129</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, д. 10</p></bio><bio xml:lang="en"><p>Laboratory of Ageing Molecular Mechanisms Rresearch</p><p>10 pr. Academica Lavrentieva, Novosibirsk, 630090</p></bio><email xlink:type="simple">oidopova@bionet.nsc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт цитологии и генетики, Сибирское отделение Российской Академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>20</day><month>11</month><year>2023</year></pub-date><volume>78</volume><issue>3</issue><fpage>205</fpage><lpage>212</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Телегина Д.В., Пеунов Д.А., Козлова Т.А., Колосова Н.Г., Кожевникова О.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Телегина Д.В., Пеунов Д.А., Козлова Т.А., Колосова Н.Г., Кожевникова О.С.</copyright-holder><copyright-holder xml:lang="en">Telegina D.V., Peunov D.A., Kozlova T.A., Kolosova N.G., Kozhevnikova O.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://vestnik-bio-msu.elpub.ru/jour/article/view/1262">https://vestnik-bio-msu.elpub.ru/jour/article/view/1262</self-uri><abstract><p>Возрастная макулярная дегенерация (ВМД) – многофакторное нейродегенеративное заболевание, которое становится основной причиной необратимой потери зрения людьми старше 55 лет. Развитие влажной формы ВМД связывают с нарушением проницаемости гематоретинального барьера (ГРБ). Недавно было показано, что сухая форма ГРБ также cопровождается изменениями ГРБ, хотя ранее и считалось, что этого не происходит, однако информация о механизмах этих изменений на разных стадиях заболевания, тем более доклинических, ограничена. Целью настоящего исследования явилась оценка возможного вклада изменений проницаемости ГРБ в развитие признаков ВМД у крыс OXYS – модели сухой формы заболевания. В период, когда клинические признаки ВМД у крыс OXYS отсутствуют (возраст 20 сут), а также в периоды их манифестации (~5 мес.) и прогрессии в 12 и 18 мес.) оценивали проницаемость ГРБ для красителя Эванса синего и содержание в сетчатке белков плотных контактов окклюдина, клаудина-5 и zonula occludens-1 (ZO-1). Контролем служили одновозрастные крысы Вистар. У крыс OXYS выявлено снижение проницаемости ГРБ, следствием которого может быть нарушение трофического обеспечения сетчатки, а также повышение уровня окклюдина в период прогрессии признаков ВМД. Уровень ZO-1 снижался с возрастом, но межлинейных различий не выявлено. Анализ транскриптомов сетчатки (данных RNA-seq) показал, что у крыс обеих линий изменения экспрессии генов, входящих (согласно Kyoto enciclopedia of genes and genoms – KEGG) в категорию плотных контактов, максимальны в период с возраста 20 сут до 3 мес. По сравнению с крысами Вистар у крыс OXYS в возрасте 3 мес. изменена экспрессия генов Dlg1, Cd1d1, Map3k5 и Arhgef2, а в возрасте 18 мес. – Crb3, F11r, Cgn, Cd1d1 и Rap2c. Такие изменения экспрессии генов в сетчатке крыс OXYS по мере развития признаков ВМД свидетельствуют об активации компенсаторных механизмов.</p></abstract><trans-abstract xml:lang="en"><p>Age-related macular degeneration (AMD) is a multifactorial neurodegenerative disease that is becoming the leading cause of irreversible vision loss in people over 55 years of age. The development of the wet form of AMD is associated with impaired permeability of the blood-retinal barrier (BRB). It was believed that the BRB does not change in the dry form of the disease, but recently it was shown that dysfunction of the BRB may also contribute to its development; however, information about the state of the BRB at different stages of AMD, especially preclinical ones, is limited. The purpose of this study was to assess the possible contribution of changes in BRB permeability to the development of signs of AMD in OXYS rats, a model of the dry form of the disease. During the period when clinical signs of AMD in OXYS rats are absent (age 20 days), during their manifestation (~5 months) and progression (at 12 and 18 months), the permeability of the BRB for Evans blue dye and the retinal contents of the tight junction proteins occludin, claudin-5, and zonula occludens-1 (ZO-1) were assessed. Wistar rats of the same age served as controls. In OXYS rats, a decrease in the permeability of the BRB was detected, which may result in a violation of the trophic supply of the retina, as well as an increase in the level of occludin during the progression of signs of AMD. ZO-1 level decreased with age, but no interstrain differences were detected. Analysis of retinal transcriptomes (RNA-seq data) showed that in rats of both strains changes in the expression of genes included (according to KEGG) in the category of tight junctions are maximum in the period from 20 days to 3 months. In OXYS rats, the mRNA levels of the Dlg1, Cd1d1, Map3k5 and Arhgef2 genes at the age of 3 months and the Crb3, F11r, Cgn, Cd1d1 and Rap2c genes the age of 18 months are different compared to Wistar rats. Such changes in gene expression in the retina of OXYS rats as AMD signs develop indicate the activation of compensatory mechanisms.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>старение</kwd><kwd>сетчатка</kwd><kwd>гематоретинальный барьер</kwd><kwd>возрастная макулярная дегенерация</kwd><kwd>крысы OXYS</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aging</kwd><kwd>retina</kwd><kwd>blood-retinal barrier</kwd><kwd>age-related macular degeneration</kwd><kwd>OXYS rats</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда (проект №21-15- 00047). Эксперименты проведены с соблюдением этических норм работы с животными, установленных в Директивой 2010/63/ЕС Европейского парламента и Совета европейского союза от 22 сентября 2010 г., и одобрены Комиссией по биоэтике института цитологии и генетики Российской академии наук (Протокол №85/1 от 18.06.2021).</funding-statement><funding-statement xml:lang="en">The research was funded by Russian Science Foundation, project number 21-15-00047.</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">Fields M.A., Del Priore L.V., Adelman R.A., Rizzolo L.J. Interactions of the choroid, Bruch’s membrane, retinal pigment epithelium, and neurosensory retina collaborate to form the outer blood-retinal-barrier. Prog. Retin. Eye Res. 2020;76:100803.</mixed-citation><mixed-citation xml:lang="en">Fields M.A., Del Priore L.V., Adelman R.A., Rizzolo L.J. 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