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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">sechenov</journal-id><journal-title-group><journal-title xml:lang="en">Sechenov Medical Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Сеченовский вестник</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2218-7332</issn><issn pub-type="epub">2658-3348</issn><publisher><publisher-name>Сеченовский Университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47093/2218-7332.2024.15.3.48-57</article-id><article-id custom-type="elpub" pub-id-type="custom">sechenov-1143</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="en"><subject>CELL BIOLOGY, CYTOLOGY, HISTOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛЕТОЧНАЯ БИОЛОГИЯ, ЦИТОЛОГИЯ, ГИСТОЛОГИЯ</subject></subj-group></article-categories><title-group><article-title>Neuroglia markers expression in the cingulate and retrosplenial cortex of mice after nonseptic dose of lipopolysaccharide</article-title><trans-title-group xml:lang="ru"><trans-title>Экспрессия маркеров нейроглии в цингулярной и ретросплениальной коре больших полушарий головного мозга мышей при введении несептической дозы липополисахарида</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5604-0461</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Венедиктов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Venediktov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Венедиктов Артем Андреевич - аспирант, ассистент кафедры анатомии и гистологии человека ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России (Сеченовский Университет).</p><p>ул. Трубецкая, д. 8, стр. 2, Москва, 119048</p></bio><bio xml:lang="en"><p>Artem A. Venediktov - postgraduate student, Assistant Professor, Human Anatomy and Histology Department, Sechenov First Moscow State Medical University (Sechenov University).</p><p>8/2, Trubetskaya str., Moscow, 119048</p></bio><email xlink:type="simple">venediktov_a_a@staff.sechenov.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/0009-0000-0323-7669</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Покидова</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pokidova</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Покидова Ксения Сергеевна - студентка ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России (Сеченовский Университет).</p><p>ул. Трубецкая, д. 8, стр. 2, Москва, 119048</p></bio><bio xml:lang="en"><p>Ksenia S. Pokidova - student, Sechenov First Moscow State Medical University (Sechenov University).</p><p>8/2, Trubetskaya str., Moscow, 119048</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-2537-8370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оганесян</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Oganesyan</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оганесян Давид Михайлович - студент ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России (Сеченовский Университет).</p><p>ул. Трубецкая, д. 8, стр. 2, Москва, 119048</p></bio><bio xml:lang="en"><p>David M. Oganesyan - student, Sechenov First Moscow State Medical University (Sechenov University).</p><p>8/2, Trubetskaya str., Moscow, 119048</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2540-4303</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голоборщева</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Goloborshcheva</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голоборщева Валерия Владимировна - канд. мед. наук, младший научный сотрудник лаборатории общей патологии нервной системы ФГБНУ «НИИОПП».</p><p>ул. Балтийская, д. 8, Москва, 125315</p></bio><bio xml:lang="en"><p>Valeria V. Goloborshcheva - Cand. of Sci. (Medicine), Junior researcher, Laboratory of General Pathology of Nervous System, Institute of General Pathology and Pathophysiology.</p><p>8, Baltiyskaya str., Moscow, 125315</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7782-3468</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пьявченко</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Piavchenko</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пьявченко Геннадий Александрович - канд. мед. наук, доцент кафедры анатомии и гистологии человека ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России (Сеченовский Университет).</p><p>ул. Трубецкая, д. 8, стр. 2, Москва, 119048</p></bio><bio xml:lang="en"><p>Gennadii A. Piavchenko - Cand. of Sci. (Medicine), Associate Professor, Human Anatomy and Histology Department, Sechenov First Moscow State Medical University (Sechenov University).</p><p>8/2, Trubetskaya str., Moscow, 119048</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0704-1660</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецов</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецов Сергей Львович - член-корр. РАН, д-р мед. наук, профессор кафедры анатомии и гистологии человека ФГАОУ ВО «Первый МГМУ им. И.М. Сеченова» Минздрава России (Сеченовский Университет).</p><p>ул. Трубецкая, д. 8, стр. 2, Москва, 119048</p></bio><bio xml:lang="en"><p>Sergey L. Kuznetsov - Corresponding Member of RAS, Dr. of Sci. (Medicine), Professor, Human Anatomy and Histology Department, Sechenov First Moscow State Medical University (Sechenov University).</p><p>8/2, Trubetskaya str., Moscow, 119048</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Первый Московский государственный медицинский университет имени И.М. Сеченова» Минздрава России (Сеченовский университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sechenov First Moscow State Medical University (Sechenov University)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт общей патологии и патофизиологии»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of General Pathology and Pathophysiology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>01</day><month>11</month><year>2024</year></pub-date><volume>15</volume><issue>3</issue><fpage>48</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Venediktov A.A., Pokidova K.S., Oganesyan D.M., Goloborshcheva V.V., Piavchenko G.A., Kuznetsov S.L., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Венедиктов А.А., Покидова К.С., Оганесян Д.М., Голоборщева В.В., Пьявченко Г.А., Кузнецов С.Л.</copyright-holder><copyright-holder xml:lang="en">Venediktov A.A., Pokidova K.S., Oganesyan D.M., Goloborshcheva V.V., Piavchenko G.A., Kuznetsov S.L.</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.sechenovmedj.com/jour/article/view/1143">https://www.sechenovmedj.com/jour/article/view/1143</self-uri><abstract><sec><title>Aim</title><p>Aim. To study the expression of glial fibrillary acidic protein (GFAP) and ionized calcium-binding adapter molecule 1 (Iba1) in the cerebral cingulate and retrosplenial cortex of mice on Day 5 after intraperitoneal (i.p.) administration of bacterial lipopolysaccharide (LPS) at the dose with no nervous tissue inflammation provoked.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The work was performed on 10 female C57BL/6 mice aged 90 ± 3 days. At the same time for 4 days, animals of group 1 were intraperitoneally injected with saline (0.9% NaCl), and animals of group 2 were injected with E. coli LPS endotoxin at a dose of 1 mg/kg/day. On the fifth day, the mice were withdrawn from the experiment by decapitation with xylazine/tiletamine-zoletil premedication, after which histological preparations of the cingulate and retrosplenial cortex were made, stained with antibodies to GFAP and Iba1, and the number of: (1) GFAP-positive cells of cytoplasmic areas, (2) cells with a positive reaction of antibodies to Iba1 were counted using QuPath software. Groups were compared using Mann-Whitney U-test.</p></sec><sec><title>Results</title><p>Results. The number of GFAP-positive cells after LPS administration in Group 2 was significantly higher than in Group 1, exactly 22.5 (8.0; 32.0) vs 9.0 (4.3; 17.0), respectively, p = 0.0038. The number of Iba1-positive portions of cytoplasm also was significantly higher in Group 2, namely 207,5 (154,8; 295,8) vs 128 (89,3; 165,5), respectively, p = 0,014. Both groups showed neither signs of inflammation, excessive blood supply nor hemorrhages, as well as no perivascular edema or leukocytic migration.</p></sec><sec><title>Conclusion</title><p>Conclusion. LPS, administered i.p. to mice at a dose of 1 mg/kg/day for 4 days, allows assessment of changes in glia of CNS in damage with no signs of inflammation there. In cerebral cingulate and retrosplenial cortex, the number of astrocytes with a positive reaction of antibodies to GFAP increases, as well as number macrophages with the expression of the Iba1 protein.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель. Изучить экспрессию глиального фибриллярного кислого белка (glial fibrillary acidic protein, GFAP) и ионизированной кальций-связывающей адаптерной молекулы 1 (ionized calcium-binding adapter molecule 1, Iba1) в нейроглии цингулярной и ретросплениальной коры больших полушарий головного мозга у мышей на 5-е сутки после внутрибрюшинного (в/б) введения бактериального липополисахарида (ЛПС) в дозе, не вызывающей воспаление нервной ткани.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Работа выполнена на 10 самках мышей линии C57BL6 возрастом 90 ± 3 суток, массой 28,0 ± 3,2 г. На протяжении 4 дней в одно и то же время животным группы 1 вводили в/б физиологический раствор (NaCl 0,9%), группы 2 – эндотоксин ЛПС E. coli в дозе 1 мг/кг/сутки. На пятые сутки мышей выводили из эксперимента путем декапитации после введения ксилазина и тилетамина/золазепама, после чего изготавливали гистологические препараты цингулярной и ретросплениальной коры, окрашивали антителами к GFAP и Iba1. При помощи программного обеспечения QuPath подсчитывали количество: (1) GFAP-положительных клеток, (2) участки Iba1-положительной цитоплазмы. Для сравнения групп использовали U-критерий Манна – Уитни.</p></sec><sec><title>Результаты</title><p>Результаты. Количество GFAP-положительных клеток после введения ЛПС в группе 2 было статистически значимо больше, чем в группе 1, и составило 22,5 (8,0; 32,0) vs. 9,0 (4,3; 17,0), p = 0,0038. Количество Iba1-положительных участков цитоплазмы также было статистически значимо больше в группе 2: 207,5 (154,8; 295,8) vs. 128 (89,3; 165,5), p = 0,014. В обеих группах не выявлено признаков воспаления: повышенного кровенаполнения сосудов и кровоизлияний, периваскулярного отека или миграции лейкоцитов.</p></sec><sec><title>Заключение</title><p>Заключение. Доза ЛПС 1 мг/кг/сутки, вводимая в/б мышам в течение 4 дней, позволяет оценить изменения в центральной нервной системе со стороны глии при повреждении, не сопровождающемся развитием воспалительной реакции: в цингулярной и ретросплениальной коре увеличивается количество астроцитов с положительной реакцией антител к GFAP, а также макрофагов с экспрессией белка Iba1.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>нервная ткань</kwd><kwd>астроциты</kwd><kwd>микроглия</kwd><kwd>липополисахарид</kwd><kwd>глиальный фибриллярный кислый белок</kwd><kwd>ионизированная кальций-связывающая адаптерная молекула 1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nervous tissue</kwd><kwd>astrocytes</kwd><kwd>microglia</kwd><kwd>lipopolysaccharide</kwd><kwd>glial fibrillary acidic protein</kwd><kwd>ionized calcium-binding adapter molecule 1</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">Li W., Ali T., He K., et al. 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