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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">morpho</journal-id><journal-title-group><journal-title xml:lang="ru">Морфологические ведомости</journal-title><trans-title-group xml:lang="en"><trans-title>Morphological newsletter</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1812-3171</issn><issn pub-type="epub">2686-8741</issn><publisher><publisher-name>Private Medical University REAVIZ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/mv-mn.2022.30(4).713</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-713</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>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>ОСОБЕННОСТИ ГРАВИДАРНОЙ ТРАНСФОРМАЦИИ ЭНДОМЕТРИЯ ПРИ ПРИВЫЧНОМ НЕВЫНАШИВАНИИ БЕРЕМЕННОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>MORPHOLOGICAL FEATURES OF THE ENDOMETRIUM TRANSFORMATION IN RECURRENT MISCARRIAGE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8948-4811</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Траль</surname><given-names>Татьяна Георгиевна</given-names></name><name name-style="western" xml:lang="en"><surname>Tral'</surname><given-names>Tat'yna G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, заведующая патологоанатомическим отделением, старший научный сотрудник отдела патоморфологии Научно-исследовательского института акушерства, гинекологии и репродуктологии имени Д.О. Отта, доцент кафедры патологической анатомии с курсом судебной медицины Северо-Западного государственного медицинского университета имени И.И. Мечникова</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Head of the Pathology Department of the Ott Research Institute of Obstetrics, Gynecology and Reproduction; Associate Professor of the Department of Pathological Anatomy with a Course of Forensic Medicine of the Saint-Petersburg State Pediatric Medical University</p></bio><email xlink:type="simple">ttg.tral@yandex.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/0000-0001-9305-0928</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хобец</surname><given-names>Владислав Владимирович</given-names></name><name name-style="western" xml:lang="en"><surname>Khobets</surname><given-names>Vladislav V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, младший научный сотрудник отдела патоморфологии</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Junior Researcher of the Pathology Department </p></bio><email xlink:type="simple">9562635@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6216-6220</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Толибова</surname><given-names>Гулрухсор Хайбуллоевна</given-names></name><name name-style="western" xml:lang="en"><surname>Tolibova</surname><given-names>Gulrukhsor Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, ведущий научный сотрудник, заведующая лабораторией иммуногистохимии Научно-исследовательского института акушерства, гинекологии и репродуктологии имени Д.О. Отта; доцент кафедры акушерства и гинекологии имени С.Н. Давыдова Северо-Западного государственного медицинского университета имени И.И. Мечникова</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Leading Researcher, Head of the Laboratory of Immunohistochemistry of the Ott Research Institute of Obstetrics, Gynecology and Reproduction; Associate Professor of the Davydov Department of Obstetrics and Gynecology of the Mechnikov North-Western State Medical University</p></bio><email xlink:type="simple">gulyatolibova@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт акушерства, гинекологии и репродуктологии имени Д.О. Отта,&#13;
Северо-Западный государственный медицинский университет имени И.И. Мечникова, Санкт-Петербург</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ott Research Institute of Obstetrics, Gynecology and Reproduction; Saint-Petersburg State Pediatric Medical University, Saint-Petersburg</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт акушерства, гинекологии и репродуктологии имени Д.О. Отта, Санкт-Петербург</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ott Research Institute of Obstetrics, Gynecology and Reproduction, Saint-Petersburg</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Научно-исследовательский институт акушерства, гинекологии и репродуктологии имени Д.О. Отта,&#13;
Северо-Западный государственный медицинский университет имени И.И. Мечникова, Санкт-Петербург</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ott Research Institute of Obstetrics, Gynecology and Reproduction; Mechnikov North-West State Medical University, Saint-Petersburg</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>19</day><month>07</month><year>2023</year></pub-date><volume>30</volume><issue>4</issue><fpage>52</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Траль Т.Г., Хобец В.В., Толибова Г.Х., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Траль Т.Г., Хобец В.В., Толибова Г.Х.</copyright-holder><copyright-holder xml:lang="en">Tral' T.G., Khobets V.V., Tolibova G.K.</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.morpholetter.com/jour/article/view/713">https://www.morpholetter.com/jour/article/view/713</self-uri><abstract><p>Проблемы патоморфологической диагностики привычного невынашивания беременности являются актуальными в современной репродуктивной медицине. Один из важных маркеров гравидарного эндометрия - прогестерон-индуцированный блокирующий фактор, индуцируемый прогестероном под влиянием активированных лимфоцитов и оказывающий иммуномодулирующее влияние на имплантационные характеристики эндометрия. В процессе инвазии трофобласта особая роль принадлежит также молекулам стромального клеточного фактора, синтезируемому клетками эндометрия и трофобласта, как механизму, потенцирующему восприимчивость эндометрия к наступлению и развитию беременности, инвазии трофобласта и эмбриогенеза в целом. Цель исследования - изучение гистологических и иммуногистохимических особенностей гравидарной трансформации эндометрия при привычном невынашивании беременности. Исследовано 100 образцов гравидарного эндометрия при неразвивающейся беременности на сроке развития 5-8 недель, 85 образцов при привычном невынашивании беременности и 15 образцов при беременности, прерванной по желанию женщины хирургическим путем. Наличие 2 неразвивающихся беременностей верифицировано в 57 случаях (67,1%), наличие 3 неразвивающихся беременности в 28 случаях (32,9%). Выполнено гистологическое исследование абортного материала с окраской гематоксилином и эозином для верификации гравидарной трансформации эндометрия. Иммуногистохимическое исследование включало выявление рецепторов к эстрогену, и прогестерону, стромальному клеточному фактору (SDF1), прогестерон-индуцированному блокирующему фактору (PIBF). Результаты гистологического и иммуногистохимического исследования показали, что при полноценной гравидарной трансформации эндометрия в группе пациенток с привычным невынашиванием беременности отмечается нарушение рецепторного профиля. Снижение экспрессии PIBF в железах и стромальном компоненте и экспрессии SDF1 в железах компактного слоя эндометрия является отражением иммунологического дисбаланса в гравидарном эндометрии при привычном невынашивании. Разработка единого морфологического алгоритма с учетом базовых показателей процессов гравидарной трансформации эндометрия с оценкой его рецепторного профиля и диагностически значимых иммунологических факторов позволяет верифицировать патологию эндометрия на молекулярном уровне и обосновать необходимость проведения прегравидарной подготовки с использованием патогенетически обоснованной терапии.</p></abstract><trans-abstract xml:lang="en"><p>The problems of pathological diagnosis of recurrent miscarriage are relevant in modern reproductive medicine. One of the important molecular markers of endometrium is the progesterone-induced blocking factor, which is induced by progesterone under the influence of activated lymphocytes and has an immunomodulatory effect on the implantation characteristics of the endometrium. In the process of trophoblast invasion, a special role is also played stromal cell factor molecules synthesized by endometrial and trophoblast cells, as a mechanism that potentiates the susceptibility of the endometrium to the onset and development of pregnancy, trophoblast invasion and embryogenesis in general. The purpose of the study was the histological and immunohistochemical features of the transformation of the endometrium in recurrent miscarriage. It were studied 100 samples of endometrium in case of non-developing pregnancy at a development period of 5-8 weeks, 85 samples in habitual miscarriage and 15 samples in pregnancy interrupted surgically at the request of the woman. The presence of 2 non-developing pregnancies was verified in 57 cases (67,1%), the presence of 3 non-developing pregnancies in 28 cases (32,9%). A histological examination of the abortion material stained with hematoxylin and eosin was performed to verify the morphological transformation of the endometrium. Immunohistochemical study included detection of estrogen and progesterone receptors, stromal cell factor (SDF1), progesterone-induced blocking factor (PIBF). The results of histological and immunohistochemical studies showed that with a complete morphological transformation of the endometrium in the group of patients with habitual miscarriage, there is a violation of the receptor profile. The decrease in PIBF expression in the glands and the stromal component and the expression of SDF1 in the glands of the compact layer of the endometrium is a reflection of the immunological imbalance in the endometrium in recurrent miscarriage. The development of a unified morphological algorithm, taking into account the basic indicators of the processes of transformation of the endometrium with an assessment of its receptor profile and diagnostically significant immunological factors, makes it possible to verify the pathology of the endometrium at the molecular level and justify the need for using pathogenetically substantiated therapy at recurrent miscarriage.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гравидарный эндометрий</kwd><kwd>привычное невынашивание беременности</kwd><kwd>прогестерон-индуцированный блокирующий фактор PIBF</kwd><kwd>стромальный клеточный фактор SDF-1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>endometrium pathology</kwd><kwd>recurrent miscarriage</kwd><kwd>progesterone-induced blocking factor (PIBF)</kwd><kwd>stromal cell-derived factor (SDF-1)</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках фундаментального научного исследования № 1021062512052-5-3.2.2 по заказу Министерства науки и высшего образования Российской Федерации</funding-statement><funding-statement xml:lang="en">The study was carried out within the framework of Fundamental Scientific Research No. 1021062512052-5-3.2.2 by order of the Ministry of Science and Higher Education of the Russian Federation</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">Molchanova OK, Ordiyants IM, Lutsenko IV, Podstavkina VA. 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