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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">surgonco</journal-id><journal-title-group><journal-title xml:lang="ru">Креативная хирургия и онкология</journal-title><trans-title-group xml:lang="en"><trans-title>Creative surgery and oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2076-3093</issn><issn pub-type="epub">2307-0501</issn><publisher><publisher-name>Башкирский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24060/2076-3093-2021-11-4-278-283</article-id><article-id custom-type="elpub" pub-id-type="custom">surgonco-627</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 ARTICLES</subject></subj-group></article-categories><title-group><article-title>Роль микроокружения в распространении опухолей яичников</article-title><trans-title-group xml:lang="en"><trans-title>Role of Microenvironment in Ovarian Tumourisation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1266-5774</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Халикова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khalikova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Халикова Лариса Вячеславовна, кафедра гистологии</p><p>Республика Башкортостан, Уфа</p></bio><bio xml:lang="en"><p>Larisa V. Khalikova, Department of Histology</p><p>Ufa</p></bio><email xlink:type="simple">anifas09@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/0000-0001-9299-0571</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевлюк</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevlyuk</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шевлюк Николай Николаевич — д.б.н., профессор, кафедра гистологии, цитологии и эмбриологии</p><p>Оренбург</p></bio><bio xml:lang="en"><p>Nikolay N. Shevlyuk, Dr. Sci. (Biol.), Prof., Department of Histology, Cytology and Embryology</p><p> Orenburg</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/0000-0003-2047-963X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ганцев</surname><given-names>Ш. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Gantsev</surname><given-names>Sh. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ганцев Шамиль Ханафиевич, д.м.н., профессор, кафедра онкологии с курсами онкологии и патологической анатомии ИДПО</p><p>Республика Башкортостан, Уфа</p></bio><bio xml:lang="en"><p>Shamil Kh. Gantsev, DDr. Sci.(Med.), Prof., Department of Oncology with Courses of Oncology and Pathological Anatomy for Advanced Professional Education</p><p>Ufa</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/0000-0003-1045-5677</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анварович</surname><given-names>Х. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khalikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Халиков Айрат Анварович, д.м.н., профессор, кафедра судебной медицины</p><p>Республика Башкортостан, Уфа</p></bio><bio xml:lang="en"><p>Airat A. Khalikov, Dr. Sci. (Med.), Prof., Department of Forensic Medicine</p><p>Ufa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хасанова</surname><given-names>И. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Khasanova</surname><given-names>I. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хасанова Ильмира Раисовна, кафедра гистологии</p><p>Республика Башкортостан, Уфа</p></bio><bio xml:lang="en"><p>Ilmira R. Khasanova, Department of Histology</p><p>Ufa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Башкирский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Оренбургский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Orenburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>21</day><month>12</month><year>2021</year></pub-date><volume>11</volume><issue>4</issue><fpage>278</fpage><lpage>283</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Халикова Л.В., Шевлюк Н.Н., Ганцев Ш.Х., Анварович Х.А., Хасанова И.Р., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Халикова Л.В., Шевлюк Н.Н., Ганцев Ш.Х., Анварович Х.А., Хасанова И.Р.</copyright-holder><copyright-holder xml:lang="en">Khalikova L.V., Shevlyuk N.N., Gantsev S.K., Khalikov A.A., Khasanova I.R.</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.surgonco.ru/jour/article/view/627">https://www.surgonco.ru/jour/article/view/627</self-uri><abstract><sec><title>Введение</title><p>Введение. Метастазы являются грозным осложнением злокачественных новообразований, и терапия распространенной формы заболевания в  большинстве случаев неэффективна. Метастазирование  — многоэтапный процесс, включающий в себя отделение раковой клетки от первичной опухоли, интравазацию, экстравазацию и  инвазию опухолевой клетки в  орган-мишень. Ранние этапы метастазирования хорошо изучены. Вопрос о том, как влияет микроокружение опухоли на прогрессирование и дальнейшее распространение заболевания, является дискуссионным.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: изучение адаптивных и реактивных свойств большого сальника при раке яичников с метастатическим поражением большого сальника на основе иммуногистохимического анализа.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследованы образцы тканей больших сальников 40 пациенток с верифицированным раком яичников III a и b стадий. В работе использовались методы световой микроскопии, материал фиксировали в 10 % растворе формалина, обезвоживали и заливали в парафин, окраска гематоксилином Майера и эозином. Иммуногистохимические методы исследования проводились с использованием моноклональных антител к белкам CD7, CD4, CD8, CD 68, VEGF, D2–40, CD44. Для статистической обработки данных использовали лицензионный пакет прикладных программ Statistica 7.0.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. В результате исследований тканей большого сальника обнаружено, что в некоторых случаях формируется лейкоцитарный вал вокруг метастатического очага. В составе лейкоцитарного вала определялось большее количество CD7+ и CD8+ клеток, что, возможно, влияло на сохранение реактивных и адаптивных свойств большого сальника. Также было выявлено увеличение клеток, экспрессирующих CD44 в тех образцах больших сальников, где отсутствовал лейкоцитарный вал. Количество клеток, экспрессирующих маркеры ангиогенеза, такие как VEGF, CD34, преобладало в тканях большого сальника без лейкоцитарного вала вокруг метастатического очага. Заключение. В  тканях микроокружения опухоли могут происходить изменения, указывающие на  сохранение или снижение адаптивных свойств органа, что способствует дальнейшему прогрессированию заболевания.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Metastasis is a formidable complication of malignant neoplasms, with therapy not always effective in advanced malignancy. Metastasis is a multistep process involving the cancer cell detachment from primary tumour, intravasation, extravasation and invasion into the target organ. Early metastasis stages are well understood, whilst the impact of tumour microenvironment on the disease progression and advancement remains a matter of debate.</p></sec><sec><title>Aim</title><p>Aim. An immunohistochemical study of the adaptive and reactive properties of greater omentum with metastatic involvement in ovarian cancer.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. We examined greater omentum tissue samples from 40 patients with verifi ed stage 3a and b ovarian cancers. For light microscopy, samples were fi xed in 10 % formalin, dehydrated, paraffi n-embedded and stained with Mayer’s haematoxylin and eosin. Immunohistochemical assays used monoclonal antibodies against CD7, CD4, CD8, CD 68, VEGF, D2-40 and CD44 proteins. Statistical data analysis was performed with Statistica v. 7.0 soft ware.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Analyses of the greater omentum tissues revealed cases of leucocyte-bank encapsulation of metastatic foci. Higher CD7+ and CD8+ cell counts were observed in encapsulation, possibly influencing the greater omentum reactive and adaptive properties. Higher CD44-expressing cell counts were also detected in greater omentum samples lacking encapsulation. Angiogenesis marker-expressing cells (e.g., VEGF and CD34) predominated in greater omentum tissues lacking leucocyte-bank encapsulation of metastatic foci.</p></sec><sec><title>Conclusion</title><p>Conclusion. Events in tumour microenvironment may be indicative of a preserved or reduced organ adaptivity, the latter facilitating disease progression.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>иммуногистохимический анализ</kwd><kwd>рак яичников</kwd><kwd>большой сальник</kwd><kwd>микроокружение опухоли</kwd><kwd>маркеры ангиогенеза</kwd><kwd>лимфоциты</kwd><kwd>молекулы клеточной адгезии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>immunohistochemical assay</kwd><kwd>ovarian cancer</kwd><kwd>greater omentum</kwd><kwd>tumour microenvironment</kwd><kwd>angiogenesis markers</kwd><kwd>lymphocytes</kwd><kwd>cell adhesion molecules</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">Westergaard M.C.W., Milne K., Pedersen M., Hasselager T., Olsen L.R., Anglesio M.S., et al. 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