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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2024-9.5.4</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-5031</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>АКУШЕРСТВО И ГИНЕКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OBSTETRICS AND GYNAECOLOGY</subject></subj-group></article-categories><title-group><article-title>Метаболические процессы обмена простагландинов у женщин при COVID-19 на сроке 28–30 недель беременности</article-title><trans-title-group xml:lang="en"><trans-title>Metabolic processes of prostaglandin metabolism in women at 28–30 weeks of gestation with COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1024-1532</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ишутина</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ishutina</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ишутина Наталия Александровна – доктор биологических наук, ведущий научный сотрудник лаборатории механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях лёгких</p><p>675000, г. Благовещенск, ул. Калинина, 22</p></bio><bio xml:lang="en"><p>Nataliа A. Ishutina – Dr. Sc. (Biol.), Leading Research Officer at the Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases</p><p>Kalinina str. 22, Blagoveshchensk 675000</p></bio><email xlink:type="simple">ishutina-na@mail.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/0000-0003-0212-0201</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андриевская</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Andrievskaya</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андриевская Ирина Анатольевна – доктор биологических наук, заведующая лабораторией механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях лёгких</p><p>675000, г. Благовещенск, ул. Калинина, 22</p></bio><bio xml:lang="en"><p>Irina A. Andrievskaya – Dr. Sc. (Biol.), Head of the Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases</p><p>Kalinina str. 22, Blagoveshchensk 675000</p></bio><email xlink:type="simple">irina-andrievskaja@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Дальневосточный научный центр физиологии и патологии дыхания»</institution></aff><aff xml:lang="en"><institution>Far Eastern Scientific Centre of Physiology and Pathology of Respiration</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>11</month><year>2024</year></pub-date><volume>9</volume><issue>5</issue><fpage>34</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ишутина Н.А., Андриевская И.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ишутина Н.А., Андриевская И.А.</copyright-holder><copyright-holder xml:lang="en">Ishutina N.A., Andrievskaya I.A.</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.actabiomedica.ru/jour/article/view/5031">https://www.actabiomedica.ru/jour/article/view/5031</self-uri><abstract><p>Обоснование. COVID-19 оказывает неблагоприятное влияние на течение беременности и её исходы. Данные о причинах осложнений беременности при COVID-19, связанных с действием простагландинов, представлены недостаточно полно.Цель исследования. Оценка маркеров состояния метаболических процессов, связанных с обменом простагландинов в крови у женщин, в зависимости от степени тяжести COVID-19 и поиск ассоциаций с развитием осложнённого течения беременности.Методы. В исследование включены 109 беременных в третьем триместре (28–30 недель), из них 36 – с лёгким, 38 – со среднетяжёлым течением COVID-19, 35 не инфицированных SARS-CoV-2. В крови определяли концентрацию простагландинов E2 и F2α, фосфолипазы A2 (PLA2, phospholipase A2), циклооксигеназы 2 (COX2, cyclooxygenase 2) методом иммуноферментного анализа; арахидоновой кислоты (АК) – методом газо-жидкостной хроматографии. Результаты. Сравнительный анализ показал, что в крови у беременных со среднетяжёлым течением COVID-19 по сравнению с лёгким течением заболевания наблюдались более высокие показатели АК, COX2, PLA2, простагландинов Е2 и F2α (p &lt; 0,0001). Беременность у таких женщин чаще осложнялась хронической плацентарной недостаточностью, выявлялись преждевременные роды и преждевременный разрыв плодных оболочек. Применение регрессионного анализа выявило ассоциации между хронической плацентарной недостаточностью и уровнем простагландина Е2 (p &lt; 0,0001); преждевременными родами и АК (p = 0,001), COX2 (p = 0,001); преждевременным разрывом плодных оболочек и PLA2 (p = 0,025), COX2 (p &lt; 0,001), АК (p &lt; 0,001).Заключение. Среднетяжёлое течение COVID-19 в третьем триместре беременности сопряжено с увеличением содержания в крови АК, COX2, PLA2, простагландинов Е2 и F2α. Наиболее значимыми факторами, увеличивающими риск осложнений беременности у женщин со среднетяжёлым течением COVID-19, явились высокие уровни АК, COX2 и простагландина Е2 в крови.</p></abstract><trans-abstract xml:lang="en"><p>Background. COVID-19 negatively impacts pregnancy progression and outcomes. However, data regarding pregnancy complications related to prostaglandin activity during COVID-19 remain insufficient.The aim. To assess markers of metabolic processes related to prostaglandin metabolism in the blood of pregnant women depending on the severity of COVID-19 and to explore associations with the development of pregnancy complications.Methods. The study included 109 pregnant women in their third trimester (28–30 weeks), 36 of whom had mild COVID-19, 38 had moderate COVID-19, and 35 were not infected with SARS-CoV-2. The concentration of prostaglandins E2 and F2α, phospholipase A2 (PLA2), cyclooxygenase 2 (COX2), and arachidonic acid (AA) were measured in the blood using enzyme-linked immunosorbent assays and gasliquid chromatography for AA.Results. Comparative analysis showed that pregnant women with moderate COVID-19 had significantly higher levels of AA, COX2, PLA2, prostaglandins E2 and F2α (p &lt; 0.0001) compared to those with mild disease. These women also experienced more frequent complications, such as chronic placental insufficiency, preterm labor, and premature rupture of membranes. Regression analysis revealed associations between chronic placental insufficiency and prostaglandin E2 levels (p &lt; 0.0001), preterm labor, AA (p = 0.001) and COX2 (p = 0.001); premature rupture of membranes and PLA2 (p = 0.025), COX2 (p &lt; 0.001), AA (p &lt; 0.001).Conclusion. Moderate COVID-19 during the third trimester of pregnancy is associated with increased levels of AA, COX2, PLA2, and prostaglandins E2 and F2α in the blood. The most significant factors increasing the risk of pregnancy complications in women with moderate COVID-19 were elevated levels of AA, COX2, and prostaglandin E2 in the blood.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>простагландины</kwd><kwd>третий триместр</kwd><kwd>осложнения беременности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>prostaglandins</kwd><kwd>third trimester</kwd><kwd>pregnancy complications</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Финансирование исследования осуществлялось за счёт средств федерального бюджета в рамках государственного задания ФНИ (№ государственной регистрации АААА-А18-118020790064-4).</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">Попова А.Ю., Ежлова Е.Б., Демина Ю.В., Носков А.К., Ковалев Е.В., Чемисова О.С., и др. 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