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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">cfpd</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень физиологии и патологии дыхания</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin Physiology and Pathology of Respiration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5029</issn><publisher><publisher-name>Дальневосточный научный центр физиологии и патологии дыхания</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36604/1998-5029-2023-87-83-89</article-id><article-id custom-type="elpub" pub-id-type="custom">cfpd-1077</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Особенности фосфолипидных изменений мембран эритроцитов у рожениц с COVID19-ассоциированной внебольничной пневмонией</article-title><trans-title-group xml:lang="en"><trans-title>Peculiarities of phospholipiid changes in erythrocyte membranes in parturient women with COVID-19-associated community-acquired pneumonia</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>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>Наталия Александровна Ишутина - доктор биологических наук, ведущий научный сотрудник, лаборатория механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях легких.</p><p>675000, Благовещенск, ул. Калинина, 22</p></bio><bio xml:lang="en"><p>Nataliа A. Ishutina - PhD, DSc. (Biol.), Leading Staff Scientist of Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases.</p><p>22 Kalinina Str., 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"><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>Аndrievskaya</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Анатольевна Андриевская - доктор биологических наук, профессор РАН, зав. лабораторией механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях легких.</p><p>675000, Благовещенск, ул. Калинина, 22</p></bio><bio xml:lang="en"><p>Irina A. Andrievskaya - PhD, DSc. (Biol.), Professor of RAS, Head of Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases.</p><p>22 Kalinina Str., Blagoveshchensk, 675000</p></bio><email xlink:type="simple">irina-andrievskaja@rambler.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>Синякин</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sinyakin</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Алексеевич Синякин - лаборант-исследователь, лаборатория механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях легких.</p><p>675000, Благовещенск, ул. Калинина, 22</p></bio><bio xml:lang="en"><p>Ivan A. Sinyakin - Research Assistant of Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases.</p><p>22 Kalinina Str., Blagoveshchensk, 675000</p></bio><email xlink:type="simple">sinyakin.ivan2016@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение "Дальневосточный научный центр физиологии и патологии дыхания"<country>Россия</country></aff><aff xml:lang="en">Far Eastern Scientific Center of Physiology and Pathology of Respiration<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>03</day><month>04</month><year>2023</year></pub-date><volume>0</volume><issue>87</issue><fpage>83</fpage><lpage>89</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ишутина Н.А., Андриевская И.А., Синякин И.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ишутина Н.А., Андриевская И.А., Синякин И.А.</copyright-holder><copyright-holder xml:lang="en">Ishutina N.A., Аndrievskaya I.A., Sinyakin I.A.</copyright-holder><license 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://cfpd.elpub.ru/jour/article/view/1077">https://cfpd.elpub.ru/jour/article/view/1077</self-uri><abstract><sec><title>Цель</title><p>Цель. Оценить фосфолипидный состав мембран эритроцитов у рожениц, перенесших в III триместре COVID-19-ассоциированую внебольничную пневмонию (ВП).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Материалом исследования служили эритроциты периферической крови 65 рожениц с диагнозом COVID-19, среднетяжелое/тяжелое течение, ВП вирусной этиологии (основная группа). Пациентки основной группы в зависимости от тяжести течения ВП были разделены на две подгруппы: 1 подгруппа – среднетяжелое течение пневмонии (n=33), 2 подгруппа – тяжелое течение пневмонии (n=32). Контрольную группу составили 35 практически здоровых рожениц. Исследован количественный состав фосфолипидов методом двухмерной тонкослойной хроматографии по Кирхнеру.</p></sec><sec><title>Результаты</title><p>Результаты. В подгруппе 1 содержание фосфатидилэтаноламина и фосфатидилхолина в мембранах эритроцитов было ниже нормативных значений на 38 и 29%, соответственно (p&lt;0,001), в подгруппе 2 данные показатели снижались, соответственно, на 32 и 48% (p&lt;0,001). При этом установлено значительное увеличение содержания лизофосфатидилхолина у пациенток подгруппы 1 на 92% (p&lt;0,001) и у женщин в подгруппе 2 на 110% (p&lt;0,001), по сравнению с группой здоровых лиц. Кроме того, структурные изменения липидного бислоя мембран эритроцитов в условиях COVID-19-ассоциированной ВП характеризовались выраженным ростом содержания минорных фракций фосфолипидов: фосфатидилсерина и фосфатидилинозитола в 1 подгруппе на 63 и 53%, соответственно (p&lt;0,001), во 2 подгруппе на 79 и 68%, соответственно (p&lt;0,001), по сравнению с аналогичными показателями у лиц контрольной группы.</p></sec><sec><title>Заключение</title><p>Заключение. При COVID-19-ассоциированной ВП у рожениц определяется структурная дезорганизация фосфолипидных компонентов мембран эритроцитов, проявляющаяся снижением содержания фосфатидилэтаноламина и фосфатидилхолина при одновременном повышении уровня лизофосфатидилхолина, фосфатидилсерина и фосфатидилинозитола. Данные нарушения нарастают с увеличением тяжести легочного воспаления. Выявленные изменения в липидном спектре периферической крови и составе фосфолипидов мембран эритроцитов при COVID-19-ассоциированной ВП указывают на необходимость разработки методов их коррекции.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To evaluate the phospholipid composition of erythrocyte membranes in parturient women who had COVID-19-associated community-acquired pneumonia (CAP) in the third trimester.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The material for the study was erythrocytes of peripheral blood of 65 parturient women diagnosed with COVID-19, moderate/severe course, CAP of viral etiology (main group). Patients of the main group, depending on the severity of CAP, were divided into two subgroups: subgroup 1 – moderate course of pneumonia (n=33), subgroup 2 – severe course of pneumonia (n=32). The control group consisted of 35 healthy parturient women. The quantitative composition of phospholipids was studied by two-dimensional thin-layer chromatography according to Kirchner.</p></sec><sec><title>Results</title><p>Results. In subgroup 1, the concentration of phosphatidylethanolamine and phosphatidylcholine in erythrocyte membranes was below the standard values by 38% and 29%, respectively (p&lt;0.001), in subgroup 2, these indicators decreased by 32% and 48%, respectively (p&lt;0.001). At the same time, a significant increase in the concentration of lysophosphatidylcholine was found in patients of subgroup 1 by 92% (p&lt;0.001) and in patients of subgroup 2 by 110% (p&lt;0.001), compared with the group of healthy individuals. In addition, structural changes in the lipid bilayer of erythrocyte membranes under conditions of COVID-19associated CAP were characterized by a pronounced increase in the concentration of minor fractions of phospholipids: phosphatidylserine and phosphatidylinositol in subgroup 1 by 63% and 53%, respectively (p&lt;0.001), in subgroup 2 by 79% and 68%, respectively (p&lt;0.001), compared with similar indicators in the control group.</p></sec><sec><title>Conclusion</title><p>Conclusion. With COVID19-associated CAP in maternity women, structural disorganization of the phospholipid components of erythrocyte membranes is determined, manifested by a decrease in the concentration of phosphatidylethanolamine and phosphatidylcholine with a simultaneous increase in the level of lysophosphatidylcholine, phosphatidylserine and phosphatidylinositol. These disorders increase with increasing severity of pulmonary inflammation. The revealed changes in the lipid spectrum of peripheral blood and the composition of erythrocyte membrane phospholipids in COVID-19-associated CAP indicate the need to develop methods for their correction.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>внебольничная пневмония</kwd><kwd>роженицы</kwd><kwd>мембраны эритроцитов</kwd><kwd>фосфолипиды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>community-acquired pneumonia</kwd><kwd>parturient women</kwd><kwd>erythrocyte membranes</kwd><kwd>phospholipids</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">Galle J.N., Hegemann J.H. Exofacial phospholipids at the plasma membrane: ill-defined targets for early infection processes // Biol. Chem. 2019. Vol.400, Iss.10. P.1323‒1334. https://doi.org/10.1515/hsz-2019-0187. 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