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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">anatomy</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал анатомии и гистопатологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Anatomy and Histopathology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2225-7357</issn><publisher><publisher-name>N.N. Burdenko Voronezh State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18499/2225-7357-2019-8-4-53-59</article-id><article-id custom-type="elpub" pub-id-type="custom">anatomy-1002</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>ОРИГИНАЛЬНЫЕ  ИССЛЕДОВАНИЯ</subject></subj-group></article-categories><title-group><article-title>Молекулярно-генетические аспекты оптимизирующего влияния окситоцина на репаративные процессы эпителиальных и стромальных структур роговицы глаза кроликов</article-title><trans-title-group xml:lang="en"><trans-title>Molecular Genetic Aspects of the Optimizing Effect of Oxytocin on the Reparative Processes of Rabbit Eye Corneal Epithelial and Stromal Structures</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>Чупров</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Chuprov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чупров Александр Дмитриевич.</p><p>ул. Салмышская, 17, Орунбург, 460047.</p></bio><bio xml:lang="en"><p>Aleksandr Chuprov.</p><p>ul. Salmyshskaya, 17, Orenburg, 460047.</p></bio><email xlink:type="simple">wedil@mail.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>Стадников</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stadnikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Orenburg.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олейник</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Oleinik</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Салмышская, 17, Орунбург, 460047.</p></bio><bio xml:lang="en"><p>ul. Salmyshskaya, 17, Orenburg, 460047.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гоголева</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gogoleva</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Казань.</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плотников</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotnikov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оренбург.</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронычева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironycheva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Казань.</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черкасов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherkasov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оренбург.</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Оренбургский филиал ФГАУ «МНТК «Микрохирургия глаза» им. акад. С.Н. Федорова» Минздрава России</institution></aff><aff xml:lang="en"><institution>Orenburg Branch S. Fyodorov Eye Microsurgery Federal State Institution</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Оренбургский государственный медицинский университет Минздрава России</institution></aff><aff xml:lang="en"><institution>Orenburg State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Казанский институт биохимии и биофизики ФИЦ «Казанский научный центр Российской академии наук»</institution></aff><aff xml:lang="en"><institution>Kazan Institute of Biochemistry and Biophysics of Kazan Science Centre of the Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт клеточного и внутриклеточного симбиоза Уральского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Institute for Cellular and Intracellular Symbiosis Ural Branch of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>24</day><month>12</month><year>2019</year></pub-date><volume>8</volume><issue>4</issue><fpage>53</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чупров А.Д., Стадников А.А., Олейник Д.В., Гоголева Н.Е., Плотников А.О., Миронычева А.А., Черкасов С.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Чупров А.Д., Стадников А.А., Олейник Д.В., Гоголева Н.Е., Плотников А.О., Миронычева А.А., Черкасов С.В.</copyright-holder><copyright-holder xml:lang="en">Chuprov A.D., Stadnikov A.A., Oleinik D.V., Gogoleva N.E., Plotnikov A.O., Mironycheva A.A., Cherkasov S.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://anatomy.elpub.ru/jour/article/view/1002">https://anatomy.elpub.ru/jour/article/view/1002</self-uri><abstract><p>Цель – определить регенераторное влияние окситоцина на экспрессию генов PAX6, MKI67, TAB3, соответственно, при экспериментальной эрозии роговицы.</p><sec><title>Материал  и методы</title><p>Материал  и методы. Сформировано  3 группы  экспериментальных  животных  (n=6). 1-й и 2-й группе выполнена эрозия роговицы диаметром 8 мм. 3-я группа контрольная – без повреждения роговицы. 1-й группе (n=2) инстиллировали в конъюнктивальный мешок антибиотик ципромед 0.3%; 2-й группе (n=2) – окситоцин 5 МЕ и ципромед 0.3%. У всех животных забирали образцы переднего эпителия и стромы на 4-е и 8-е сутки эксперимента, изготавливали гистологические препараты. Из образцов выделяли мРНК, относительное содержание которой оценивали методом электрофореза. Обратной транскрипцией получали кДНК. По результатам real-time PCR оценивали экспрессию изучаемых генов.</p></sec><sec><title>Результаты</title><p>Результаты. Экспрессию целевых генов PAX6, MKI67, TAB3 нормализовали относительно генов «домашнего хозяйства» HPRT и RPL5 в программе REST. Окситоцин стимулировал усиление экспрессии гена MKI67 в строме (в 2.3 раза на 4-е сутки) с последующей нормализацией на 8-е сутки. Гены PAX6 и TAB3, напротив, снижали свою экспрессию под действием окситоцина. В эпителии на 8-е сутки под действием окситоцина возрастала экспрессия гена PAX6 (в 2.1 раза), при этом экспрессия генов MKI67 и TAB3 по сравнению с контролем практически не изменялась (0.72 и 1.1 раз, соответственно).</p></sec><sec><title>Заключение</title><p>Заключение. Установлен  новый механизм воздействия  окситоцина  на процесс восстановления роговицы  при  ее  повреждении,  заключающийся  в  дифференциальной  стимуляции  экспрессии  генов MKI67 и PAX6, участвующих в регенерации стромы и эпителия роговицы, соответственно.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of study was to determine the regenerative effect of oxytocin on the expression of PAX6, MKI67, TAB3 genes, respectively, during experimental corneal erosion.</p><sec><title>Material and methods</title><p>Material and methods. The study involved experimental animals divided into three groups (6 rabbits total). Groups 1 and 2 were simulated erosion of the cornea 8mm in diameter. Animals of group 3 – control – were without damage to the cornea. Group 1 consisting of 2 rabbits was instilled antibiotic cypromed 0.3% in the conjunctival sac; group 2 consisting of 2 rabbits was instilled oxytocin 5ME and cypromed 0.3%. Samples of the anterior epithelium and stroma were taken in all animals on the 4th and 8th day of the experiment, histological preparations were made. mRNA, the relative content of which was evaluated by electrophoresis, was isolated from the samples. cDNA was obtained using reverse transcription. The expression of the studied genes was evaluated based on the real-time PCR.</p></sec><sec><title>Results</title><p>Results. The expression of the target genes PAX6, MKI67, TAB3 was normalized relative to the “house-hold” genes HPRT and RPL5 using REST program. Oxytocin stimulated increased expression of the MKI67 gene in the stroma (2.3 times on the 4th day), followed by normalization on the 8th day. PAX6 and TAB3 genes, in contrast, decreased their expression under the effect of oxytocin. PAX6 gene expression increased in the epithelium under the effect of oxytocin (2.1 times) on the 8th day, while MKI67 and TAB3 genes expression remained virtually unchanged compared to the control (0.72 and 1.1 times, respectively).</p></sec><sec><title>Conclusion</title><p>Conclusion. The authors have elucidated a new mechanism of action of oxytocin on the corneal restoration process during the damage of cornea. This mechanism represents differential stimulation of expression of MKI67 and PAX6 genes involved in the regeneration of stroma and corneal epithelium, respectively.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>регенерация</kwd><kwd>роговица</kwd><kwd>экспрессия генов</kwd><kwd>окситоцин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>regeneration</kwd><kwd>cornea</kwd><kwd>gene expression</kwd><kwd>oxytocin</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">Бабиченко И.И., Ковязин В.А. Новые методы иммуногистохимической диагностики опухолевого роста. М.: Изд-во РУДН; 2008. 109</mixed-citation><mixed-citation xml:lang="en">Babichenko II, Kovyazin VA. New methods of immunohistochemical diagnosis of tumor growth. 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