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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-175-3-60-65</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-1286</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>КЛИНИЧЕСКАЯ ГАСТРОЭНТЕРОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL GASTROENTEROLOGY</subject></subj-group></article-categories><title-group><article-title>Оценка маркеров опухолевой инвазии, определяющих риск лимфогенного метастазирования при раке поджелудочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of cancer invasion markers determining the risk of lymph node metastasis in pancreatic cancer</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>Завьялова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavyalova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Завьялова Марина Викторовна, д. м. н., заведующий кафедрой патологической анатомии; ведущий научный сотрудник отделения общей и молекулярной патологии онкологической клиники</p><p>634050 г. Томск, ул. Московский тракт 2; 634009 г. Томск, пер. Кооперативный 5</p></bio><bio xml:lang="en"><p>Marina V. Zavyalova, MD, Head of the Department of pathological anatomy; Leading Researcher of the Department of General and Molecular Pathology</p><p>634050 Tomsk, Moskovskiy trakt 2; 634009 Tomsk, per. Kooperativnyj 5</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/0000-0002-1195-4008</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вторушин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vtorushin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вторушин Сергей Владимирович, д. м. н., профессор кафедры патологической анатомии; ведущий научный сотрудник отделения общей и молекулярной патологии онкологической клиники</p><p>634050 г. Томск, ул. Московский тракт 2; 634009 г. Томск, пер. Кооперативный 5</p></bio><bio xml:lang="en"><p>Sergey V. Vtorushin, MD, Professor of the Department of pathological anatomy; Leading Researcher of the Department of General and Molecular Pathology</p><p>634050 Tomsk, Moskovskiy trakt 2; 634009 Tomsk, per. Kooperativnyj 5</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/0000-0002-1909-1681</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крахмаль</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krakhmal</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крахмаль Надежда Валерьевна, к. м. н., доцент кафедры патологической анатомии</p><p>634050 г. Томск, ул. Московский тракт 2</p></bio><bio xml:lang="en"><p>Nadezhda V. Krakhmal, Cand. of Med. Sci., Associate Professor of the Department of pathological anatomy</p><p>Scopus ID: 56678622400</p><p>634050 Tomsk, Moskovskiy trakt 2</p></bio><email xlink:type="simple">krakhmal@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ракина</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakina</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ракина Юлия Юрьевна, врач-хирург хирургического отделения № 3</p><p>636070 Томская область, г. Северск, ул. Мира 4</p></bio><bio xml:lang="en"><p>Yuliya Yu. Rakina, surgeon, Department of Surgery 3</p><p>636070, Tomskaya oblast’, Seversk, Mira 4</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кошель</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Koshel</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кошель Андрей Петрович, д. м. н., заведующий кафедрой хирургии с курсом мобилизационной подготовки и медицины катастроф</p><p>634050 г. Томск, ул. Московский тракт 2</p></bio><bio xml:lang="en"><p>Andrey P. Koshel, MD, Head of the Surgery Department with a course of mobilization training and disaster medicine</p><p>634050 Tomsk, Moskovskiy trakt 2</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Сибирский государственный медицинский университет» Министерства здравоохранения Российской Федерации; Федеральное государственное бюджетное научное учреждение «Томский национальный исследовательский медицинский центр РАН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University; Cancer Research Institute of Tomsk National Research Medical Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Сибирский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Сибирский федеральный научно-клинический центр Федерального медико-биологического агентства»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal Scientific and Clinical Center FMBA of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>22</day><month>06</month><year>2020</year></pub-date><volume>0</volume><issue>3</issue><fpage>60</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Завьялова М.В., Вторушин С.В., Крахмаль Н.В., Ракина Ю.Ю., Кошель А.П., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Завьялова М.В., Вторушин С.В., Крахмаль Н.В., Ракина Ю.Ю., Кошель А.П.</copyright-holder><copyright-holder xml:lang="en">Zavyalova M.V., Vtorushin S.V., Krakhmal N.V., Rakina Y.Y., Koshel A.P.</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.nogr.org/jour/article/view/1286">https://www.nogr.org/jour/article/view/1286</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: Оценить экспрессионные особенности маркеров опухолевой инвазии в протоковой аденокарциноме поджелудочной железы и определить их взаимосвязь с частотой лимфогенного метастазирования.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: Были исследованы 84 случая протоковой аденокарциномы поджелудочной железы с проведением морфологического и иммуногистохимического исследований с применением антител MMP2, Integrin β1 и β3, β-catenin, Twist и Snail, которые по данным литературы ассоциированы с повышенными инвазивными свойствами опухоли.</p></sec><sec><title>Результаты</title><p>Результаты: Исследование показало наличие взаимосвязей между показателями экспрессии изучаемых маркеров в различных структурах паренхиматозного компонента опухоли с частотой лимфогенного метастазирования при раке поджелудочной железы.</p></sec><sec><title>Заключение</title><p>Заключение: Результаты исследования показывают возможность применения исследуемых маркеров в качестве дополнительных морфологических параметров, позволяющих оценить и прогнозировать риск лимфогенной диссеминации при раке поджелудочной железы.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study was to evaluate the expression features of cancer invasion markers in ductal pancreatic adenocarcinoma and determine their relationship with the frequency of lymph node metastasis.</p><sec><title>Materials and methods</title><p>Materials and methods: 84 cases of pancreatic ductal adenocarcinoma were studied with morphological and immunohistochemical studies using antibodies MMP2, Integrin β1 and β3, β-catenin, Twist and Snail, which associated with increased invasive properties of the tumor according to the literature.</p></sec><sec><title>Results</title><p>Results: The study showed the presence of relationships between the expression indicators of the studied markers in different structures of the parenchymal component of the tumor with the frequency of lymph node metastasis in pancreatic cancer.</p></sec><sec><title>Conclusion</title><p>Conclusion: The results of the study show the possibility of using these markers as additional morphological parameters that allow us to assess and predict the risk of lymphogenous dissemination of pancreatic cancer.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>опухолевая инвазия</kwd><kwd>рак поджелудочной железы</kwd><kwd>лимфогенное метастазирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cancer invasion</kwd><kwd>pancreatic cancer</kwd><kwd>lymph node metastasis</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">Каприн А.Д., Старинский В. 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