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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">regmedjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Регенерация органов и тканей</journal-title><trans-title-group xml:lang="en"><trans-title>Регенерация органов и тканей</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-5938</issn><publisher><publisher-name>Общество регенеративной медицины</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.60043/2949-5938-2023-1-42-52</article-id><article-id custom-type="elpub" pub-id-type="custom">regmedjournal-16</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Увеличение экспрессии генов HOXA10 и HOXA11 в стромальных клетках эндометрия при гипоксии зависит от активности системы деметилирования ДНК</article-title><trans-title-group xml:lang="en"><trans-title>Increased expression of HOXA10 и HOXA11 in endometrial stroma cells under hypoxia depends on activity of the DNA demethylation system</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>Кулебякина</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulebyakina</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулебякина Мария Александровна — м.н.с. НИЛ генных и клеточных технологий кафедры биохимии</p><p>119192, г. Москва, Ленинские горы, 1</p></bio><bio xml:lang="en"><p>Maria A. Kulebyakina — junior researcher at Gene and cellular technology research laboratory</p><p>119192, Moscow, Leninskiye Gory, 1</p></bio><email xlink:type="simple">coolebyakina@gmail.com</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>Смирнова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смирнова Анастасия Сергеевна — студентка 2-го курса магистратуры по регенеративной биомедицине</p><p>119192, г. Москва, Ленинские горы, 1</p></bio><bio xml:lang="en"><p>Anastasia S. Smirnova — Master’s student in Regenerative Biomedicine</p><p>119192, Moscow, Leninskiye Gory, 1</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>Попов</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Попов Владимир Сергеевич — к.б.н., заведующий лабораторией НИЛ трансляционной медицины; в.н.с.</p><p>119192, г. Москва, Ленинские горы, 1</p></bio><bio xml:lang="en"><p>Vladimir S. Popov — PhD, head of Translation medicine research laboratory; lead researcher</p><p>119192, Moscow, Leninskiye Gory, 1</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>Еремичев</surname><given-names>Р. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Eremichev</surname><given-names>R. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Еремичев Роман Юрьевич — к.м.н., м.н.с. лаб. генно-клеточной терапии</p><p>119192, г. Москва, Ленинские горы, 1</p></bio><bio xml:lang="en"><p>Roman Y. Eremichev — PhD, junior researcher at Gene and cell therapy laboratory</p><p>119192, Moscow, Leninskiye Gory, 1</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макаревич</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarevich</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макаревич Павел Игоревич — к.м.н., зав. лаб. генно-клеточной терапии; доцент кафедры биохимии</p><p>119192, г. Москва, Ленинские горы, 1</p></bio><bio xml:lang="en"><p>Pavel I. Makarevich — MD, PhD, head of Gene and cell therapy laboratory; assistant professor at Biochemistry and Regenerative Medicine department</p><p>119192, Moscow, Leninskiye Gory, 1</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Факультет фундаментальной медицины ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Medicine, M.V. Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Факультет фундаментальной медицины ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова»; Институт регенеративной медицины Медицинского научно-образовательного центра ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Medicine, M.V. Lomonosov Moscow State University; Institute for Regenerative Medicine, M.V. Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт регенеративной медицины Медицинского научно-образовательного центра ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Regenerative Medicine, M.V. Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>18</day><month>11</month><year>2023</year></pub-date><volume>1</volume><issue>1</issue><fpage>42</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кулебякина М.А., Смирнова А.С., Попов В.С., Еремичев Р.Ю., Макаревич П.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Кулебякина М.А., Смирнова А.С., Попов В.С., Еремичев Р.Ю., Макаревич П.И.</copyright-holder><copyright-holder xml:lang="en">Kulebyakina M.A., Smirnova A.S., Popov V.S., Eremichev R.Y., Makarevich P.I.</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.regmed-journal.ru/jour/article/view/16">https://www.regmed-journal.ru/jour/article/view/16</self-uri><abstract><p>Целью работы было проверить, изменяется ли уровень экспрессии генов Hoxa10 и Hoxa11, специфичных для эндометрия, в матке мыши после родового повреждения эндометрия, а также предположить механизм, по которому экспрессия данных генов может возрастать в стромальных клетках эндометрия в результате повреждения.</p><sec><title>Методы</title><p>Методы. В исследовании использовали молодых (возрастом 8–10 недель) мышей дикого типа инбредной линии С57BL6; экспрессию генов Hoxa10 и Hoxa11 в тканях матки оценивали до родов, а также спустя 4 и 24 ч после родов. Гипоксию моделировали in vitro в первичных культурах стромальных клеток эндометрия человека добавлением 200 мМ CoCl2. Ингибирование системы активного деметилирования ДНК проводили с использованием ингибитора Bobcat339. Оценку уровня экспрессии генов Hoxa10 (HOXA10) и Hoxa11 (HOXA11) проводили методом ПЦР в реальном времени, сопряженной с обратной т ранскрипцией, а также методом вестерн-блоттинга.</p></sec><sec><title>Результаты</title><p>Результаты. В течение первых суток после родов в тканях матки мыши возрастает экспрессия генов Hoxa10 и Hoxa11. В стромальных клетках человеческого эндометрия при моделировании гипоксии возрастает экспрессия генов HOXA10 и HOXA11, а ингибирование системы активного деметилирования ДНК препятствует возрастанию экспрессии данных генов в модели гипоксии.</p></sec><sec><title>Заключение</title><p>Заключение. Впервые получены данные о том, что экспрессия генов Hoxa10 и Hoxa11 возрастает в матке мыши после повреждения эндометрия в модели in vivo. Кроме того, в экспериментах in vitro показано, что апрегуляция данных генов в результате повреждения может обуславливаться изменением их экспрессии в стромальных клетках эндометрия, которая, в свою очередь, может быть вызвана гипоксией и вызываемыми ей эпигенетическими изменениями, связанными с работой системы активного деметилирования ДНК.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. The work was aimed to test whether the expression levels of endometrial-specific Hoxa10 and Hoxa11 genes in the mouse uterus change after endometrial injury caused by giving birth, and to suggest a mechanism by which these genes can be upregulated in endometrial stromal cells after injury.</p></sec><sec><title>Methods</title><p>Methods. The study was performed using young (8–10 weeks old) wild-type mice of the C57BL6 line; Hoxa10 and Hoxa11 gene expression in uterine tissues was assessed before delivery, as well as 4 hours and 24 hours after delivery were also used in the work. Hypoxia was modeled in vitro using human endometrial stromal cells by adding 200 mM CoCl2. Inhibition of DNA active demethylation system was performed using the Bobcat339 inhibitor. The level of expression of the Hoxa10 (HOXA10) and Hoxa11 (HOXA11) genes was assessed by real-time PCR coupled with reverse transcription, as well as by Western blotting.</p></sec><sec><title>Results</title><p>Results. During the first day after birth, both Hoxa10 and Hoxa11 gene expression increases in mouse uterine tissues. In the stromal cells of the human endometrium, during hypoxia modeling, HOXA10 and HOXA11 gene expression increases, and inhibition of the active DNA demethylation system prevents noted increase in the hypoxia model.</p></sec><sec><title>Conclusion</title><p>Conclusion. We have shown for the first time that the Hoxa10 and Hoxa11 gene expression increases in vivo in the mouse uterus after endometrial damage, and also demonstrated in in vitro experiments that upregulation of these genes in endometrial stromal cells after damage can be caused by hypoxia-induced epigenetic changes associated with the operation of the active DNA demethylation system.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>эндометрий</kwd><kwd>гомеозисные гены</kwd><kwd>эпигенетика</kwd><kwd>регенерация</kwd><kwd>гипоксия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>endometrium</kwd><kwd>homeotic genes</kwd><kwd>epigenetics</kwd><kwd>regeneration</kwd><kwd>hypoxia</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">Kulebyakina M., Makarevich P. Hox-Positive Adult Mesenchymal Stromal Cells: Beyond Positional Identity. Front Cell Dev Biol. 2020;8:624. 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