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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">Pediatrician (St. Petersburg)</journal-id><journal-title-group><journal-title xml:lang="en">Pediatrician (St. Petersburg)</journal-title><trans-title-group xml:lang="ru"><trans-title>Педиатр</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2079-7850</issn><issn publication-format="electronic">2587-6252</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">106324</article-id><article-id pub-id-type="doi">10.17816/PED12655-62</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные 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">Maternal body estrogen exposure influences the mice offspring ovaries’ morphology</article-title><trans-title-group xml:lang="ru"><trans-title>Морфологические особенности яичников потомства лабораторных мышей, которым вводили эстрогены во время беременности</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1658-9054</contrib-id><contrib-id contrib-id-type="spin">4933-2131</contrib-id><name-alternatives><name xml:lang="en"><surname>Sulaymanova</surname><given-names>Rimma T.</given-names></name><name xml:lang="ru"><surname>Сулайманова</surname><given-names>Римма Тагировна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Cand. Sci. (Biol.), Associate Professor of the Department of Medical and Biological Disciplines</p></bio><bio xml:lang="ru"><p>канд. биол наук, доцент кафедры медико-биологических дисциплин</p></bio><email>rimma2006@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khayrullin</surname><given-names>Radik M.</given-names></name><name xml:lang="ru"><surname>Хайруллин</surname><given-names>Радик Магзинурович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Dr. Sci. (Med.), Professor of the Department of Morphology and Pathology</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор кафедры морфологии и патологии</p></bio><email>r.m.hayrullin@reaviz.online</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lebedeva</surname><given-names>Anna I.</given-names></name><name xml:lang="ru"><surname>Лебедева</surname><given-names>Анна Ивановна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Biol.), Senior Researcher of the Research Department of Morphology</p></bio><bio xml:lang="ru"><p>д-р биол. наук, старший научный сотрудник научно-исследовательского отдела морфологии</p></bio><email>Jeol02@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sulaymanova</surname><given-names>Luisa I.</given-names></name><name xml:lang="ru"><surname>Сулайманова</surname><given-names>Луиза Изатуллаевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Pediatrician</p></bio><bio xml:lang="ru"><p>врач-терапевт</p></bio><email>lsulajmanova@bk.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Askhabova</surname><given-names>Eliza D.</given-names></name><name xml:lang="ru"><surname>Асхабова</surname><given-names>Элиза Джабраиловна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Pediatrician</p></bio><bio xml:lang="ru"><p>врач-терапевт</p></bio><email>eliza_askhabova92@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">University “Reaviz”</institution></aff><aff><institution xml:lang="ru">Университет «Реавиз»</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">All-Russian Eye and Plastic Surgery Center</institution></aff><aff><institution xml:lang="ru">Всероссийский центр глазной и пластической хирургии</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">City Polyclinic No. 52 of the Department of Health of Moscow</institution></aff><aff><institution xml:lang="ru">Городская поликлиника № 52 Департамента здравоохранения города Москвы</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">O.M. Filatov Municipal Clinical Hospital No. 15 of the Department of Health of Moscow</institution></aff><aff><institution xml:lang="ru">Городская клиническая больница № 15 им. О.М. Филатова Департамента здравоохранения города Москвы</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-04-18" publication-format="electronic"><day>18</day><month>04</month><year>2022</year></pub-date><volume>12</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>55</fpage><lpage>62</lpage><history><date date-type="received" iso-8601-date="2022-04-16"><day>16</day><month>04</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-04-16"><day>16</day><month>04</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Sulaymanova R.T., Khayrullin R.M., Lebedeva A.I., Sulaymanova L.I., Askhabova E.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Сулайманова Р.Т., Хайруллин Р.М., Лебедева А.И., Сулайманова Л.И., Асхабова Э.Д.</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2022, Sulaymanova R., Khayrullin R., Lebedeva A., Sulaymanova L., Askhabova E.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Sulaymanova R.T., Khayrullin R.M., Lebedeva A.I., Sulaymanova L.I., Askhabova E.D.</copyright-holder><copyright-holder xml:lang="ru">Сулайманова Р.Т., Хайруллин Р.М., Лебедева А.И., Сулайманова Л.И., Асхабова Э.Д.</copyright-holder><copyright-holder xml:lang="zh">Sulaymanova R., Khayrullin R., Lebedeva A., Sulaymanova L., Askhabova E.</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/pediatr/article/view/106324">https://journals.eco-vector.com/pediatr/article/view/106324</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> The question of the effect of female sex hormones and their analogues on humans and experimental animals is of great interest in medicine.</p> <p><bold>Aim. </bold>The aim of the work was to study the morphological features of the ovaries of the offspring of laboratory mice during the administration of estrogens to the maternal body.</p> <p><bold>Materials and methods.</bold> Female laboratory mice after fertilization were divided into groups: two control and two experimental, which at the stage of development of gestation E11.5 underwent intramuscular, single administration of experimental doses of estrogens. The first experimental group was injected with the synthetic drug synestrol in the form of a 2% oil solution at a total dose of 50 mcg / kg (<italic>n</italic> = 5; S-50), the first control group was injected with olive oil at a dose of 0.2 μm/kg (<italic>n</italic> = 5). The second experimental group was injected with a 0.4 ml 0.0005% fulvestrant oil solution at a dose of 100 mcg/kg (<italic>n</italic> = 5; F-100), the second control group (<italic>n</italic> = 5) received sterile castor oil at a dose of 0.8 μm/kg.</p> <p><bold>Results. </bold>Persistent morphological changes are observed in the ovaries of the offspring of the first experimental group S-50: an increase in the average area of the cortical substance, a decrease in the area of the medulla, an increase in the average number of yellow bodies, an increase in the average number of luteal cells in the yellow body, a decrease in the total number of follicles and atretic bodies, indicating a violation of the folliculogenesis process, an increase in the average diameter of blood vessels demonstrating increased blood circulation. With the introduction of the drug fulvestrant 100 mcg / kg in the second experimental group F-100, morphological changes in the form of an increase in the average area of the cortical substance, a decrease in the average area of the medulla, sclerosis of the stromal component, accompanied by a restructuring of the vascular network with signs of atresia and cystic degeneration of the follicular epithelium in secondary and tertiary follicles are considered on a slice of the ovaries of the offspring.</p> <p><bold>Conclusions.</bold> The obtained results of the study confirm the urgency of the problem of implementing complex measures aimed at limiting the effects of estrogenetic drugs introduced into the maternal body during pregnancy, in order to prevent adverse effects on the development of the ovaries of offspring.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность. </bold>Вопрос о воздействии женских половых гормонов и их аналогов на человека и экспериментальных животных представляет большой интерес в медицине.</p> <p><bold>Цель работы</bold> — изучение морфологических особенностей яичников потомства лабораторных мышей при введении эстрогенов материнскому организму.</p> <p><bold>Материалы и методы. </bold>Самок лабораторных мышей после фертилизации разделили на группы: две контрольные и две экспериментальные, которым на стадии развития гестации Е11.5 было выполнено внутримышечное однократное введение экспериментальных доз эстрогенов. Первой экспериментальной группе вводили синтетический препарат синестрол в виде 2 % масляного раствора в общей дозе 50 мкг/кг (<italic>n</italic> = 5; С-50), первой контрольной группе вводили оливковое масло в дозе 0,2 мкг/кг (<italic>n</italic> = 5; МО). Второй экспериментальной группе был введен 0,0005 % масляный раствор фулвестранта 0,4 мл в дозе 100 мкг/кг (<italic>n</italic> = 5; Ф-100), вторая контрольная группа (<italic>n</italic> = 5; МК) получала стерильное касторовое масло в дозе 0,8 мкг/кг.</p> <p><bold>Обсуждение. </bold>В яичниках потомства первой экспериментальной группы С-50 наблюдаются стойкие морфологические изменения: увеличение средней площади коркового вещества, уменьшение показателей площади мозгового вещества, увеличение среднего количества желтых тел, увеличение среднего количества лютеиновых клеток в желтом теле, снижение суммарного количества фолликулов и атретических тел, свидетельствующие о нарушении процесса фолликулогенеза, увеличение среднего диаметра кровеносных сосудов, демонстрирующие усиление кровообращения. При введении препарата фулвестранта в дозе 100 мкг/кг во второй экспериментальной группе Ф-100 на срезе яичников потомства рассматриваются морфологические изменения в виде увеличения средней площади коркового вещества, уменьшения средней площади мозгового вещества, склерозирования стромального компонента, сопровождающегося перестройкой сосудистой сети с признаками атрезии и кистозного перерождения фолликулярного эпителия во вторичных и третичных фолликулах.</p> <p><bold>Выводы. </bold>Полученные результаты исследования подтверждают актуальность проблемы внедрения комплексных мероприятий, направленных на лимитирование воздействия вводимых в материнский организм препаратов эстрогенового ряда в период беременности, для предотвращения неблагоприятных эффектов на развитие яичников потомства.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>synestrol</kwd><kwd>fulvestrant</kwd><kwd>ovaries</kwd><kwd>laboratory mice</kwd><kwd>offspring</kwd><kwd>prenatal exposure</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>синестрол</kwd><kwd>фулвестрант</kwd><kwd>яичники</kwd><kwd>лабораторные мыши</kwd><kwd>потомство</kwd><kwd>пренатальное введение</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Аvtandilov GG. 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