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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство и гинекология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0300-9092</issn><issn publication-format="electronic">2412-5679</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">247376</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">INTERLEUKIN-2 GENE POLYMORPHISM IN WOMEN WITH RECURRENT PREGNANCY LOSSES</article-title><trans-title-group xml:lang="ru"><trans-title>Полиморфизм гена интерлейкина-2 у женщин с привычными потерями беременностей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Alegina</surname><given-names>Evgeniya V.</given-names></name><name xml:lang="ru"><surname>Алегина</surname><given-names>Евгения Викторовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Graduate student, Department of Pregnancy Loss Prevention and Therapy</p></bio><bio xml:lang="ru"><p>аспирант, 2-е отделение акушерское патологии беременности</p></bio><email>aleginai@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tetruashvili</surname><given-names>Nana K.</given-names></name><name xml:lang="ru"><surname>Тетруашвили</surname><given-names>Нана Картлосовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Medicine, Head of the Department of Pregnancy Loss Prevention and Therapy</p></bio><bio xml:lang="ru"><p>д.м.н., зав. 2-м отделением акушерским патологии беременности</p></bio><email>tetrauly@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Agadjanova</surname><given-names>Anna A.</given-names></name><name xml:lang="ru"><surname>Агаджанова</surname><given-names>Анна Арамовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Medicine, leading researcher of the Department of Pregnancy Loss Prevention and Therapy</p></bio><bio xml:lang="ru"><p>д.м.н., в.н.с. 2-го отделения акушерского патологии беременности</p></bio><email>tetrauly@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Donnikov</surname><given-names>Andrey E.</given-names></name><name xml:lang="ru"><surname>Донников</surname><given-names>Андрей Евгеньевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Ph.D. in medical sciences, leading researcher of Laboratory of molecular genetic methods</p></bio><bio xml:lang="ru"><p>к.м.н., в.н.с. лаборатории молекулярно-генетических методов</p></bio><email>a_donnikov@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trophimov</surname><given-names>Dmitrii Y.</given-names></name><name xml:lang="ru"><surname>Трофимов</surname><given-names>Дмитрий Юрьевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Ph.D. in medical sciences, Head of Laboratory of molecular genetic methods</p></bio><bio xml:lang="ru"><p>д.б.н., зав. лабораторией молекулярно-генетических методов</p></bio><email>d_troflmov@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Academician V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ Научный центр акушерства, гинекологии и перинатологии им. академика В.И. Кулакова Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2015</year></pub-date><issue>5</issue><issue-title xml:lang="en">NO5 (2015)</issue-title><issue-title xml:lang="ru">№5 (2015)</issue-title><fpage>26</fpage><lpage>29</lpage><history><date date-type="received" iso-8601-date="2023-02-18"><day>18</day><month>02</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, ООО «Бионика Медиа»</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0300-9092/article/view/247376">https://journals.eco-vector.com/0300-9092/article/view/247376</self-uri><abstract xml:lang="en"><p>Objective. To assess the role of interleukin-2 (IL-2) polymorphism in women with recurrent pregnancy loss. Subjects and methods. The distribution of the IL-2 alleles and genotypes of the polymorphic loci: -330 T&gt;G (rs 2069762) and +166 G&gt;T (rs 2069763) was studied in 90 women. Group 1 consisted of 30 patients with recurrent early losses (at less than 22 weeks’ gestation). Group 2 included 30 patients with multiple very early preterm labors (at 22 to 28 weeks’ gestation). Group 3 comprised 30 patients with uncomplicated pregnancy and a history of at least 2 full-term births (a control group). Results. There were significant differences in the distribution of the IL-2 genotypes and alleles: -330 T&gt;G (rs 2069762) in the group of pregnant women with early miscarriage versus that of women with physiological pregnancy. Conclusion. Determination of IL-2 gene polymorphisms: -330 T&gt;G (rs 2069762) when planning pregnancy makes it possible to identify a group at risk for early miscarriage for more careful pregravid preparation and optimization of pregnancy management tactics.</p></abstract><trans-abstract xml:lang="ru"><p>Цель исследования. Оценить роль полиморфизма интерлейкина-2 (IL-2) у женщин с привычной потерей беременности. Материал и методы. Проведено исследование распределения аллелей и генотипов полиморфных локусов гена IL-2: -330 T&gt;G (rs 2069762) и +166 G&gt;T(rs 2069763) у 90 женщин. I группу составили пациентки с привычными ранними потерями (до 22 недель беременности, n=30). II группу - пациентки с неоднократными очень ранними преждевременными родами (с 22 по 28 неделю беременности, n=30). Группу контроля (III) составили пациентки с неосложненным течением беременности и наличием не менее 2 своевременных родов в анамнезе (n=30). Результаты исследований. Получены достоверные различия по распределению генотипов и аллелей гена IL-2: -330 T&gt;G (rs 2069762) в группе беременных с ранними выкидышами при сравнении с группой женщин с физиологическим течением беременности. Заключение. Определение полиморфизма гена IL-2: -330 T&gt;G (rs 2069762) на этапе планирования беременности позволят выявить группу риска невынашивания беременности на ранних сроках для проведения более тщательной предгестационной подготовки и оптимизации тактики ведения беременности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>gene polymorphisms</kwd><kwd>cytokines</kwd><kwd>interleukin-2</kwd><kwd>pregnancy</kwd><kwd>recurrent miscarriage</kwd><kwd>recurrent abortion</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>полиморфизм генов</kwd><kwd>цитокины</kwd><kwd>интерлейкин-2</kwd><kwd>беременность</kwd><kwd>привычное невынашивание беременности</kwd><kwd>привычный выкидыш</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sata F., Toya S., Yamada H., Suzuki K., Saijo Y., Yamazaki A. et al. Proinflammatory cytokine polymorphisms and the risk of preterm birth and low birthweight in a Japanese population. Mol. Hum. 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