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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2021-20-1-74-86</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-1694</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>ЛАБОРАТОРНЫЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LABORATORY AND EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>ХАРАКТЕРИСТИКИ ИММУННОГО МИКРООКРУЖЕНИЯ НОРМАЛЬНОЙ СЛИЗИСТОЙ ОБОЛОЧКИ ПЕРИТУМОРАЛЬНОЙ ОБЛАСТИ – ДОПОЛНИТЕЛЬНЫЙ НЕЗАВИСИМЫЙ ПРОГНОСТИЧЕСКИЙ ФАКТОР ПРИ РАКЕ ЖЕЛУДКА</article-title><trans-title-group xml:lang="en"><trans-title>CHARACTERISTICS OF THE IMMUNE MICROENVIRONMENT OF THE NORMAL MUCOUS MEMBRANE OF THE PERITUMORAL AREA IS AN ADDITIONAL INDEPENDENT PROGNOSTIC FACTOR IN GASTRIC CANCER</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7848-6707</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Данилова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Danilova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, старший научный сотрудник, отдел клинической патологии</p><p>SPIN-код: 6878-2025. Researcher ID (WOS): H-6477-2014. Author ID (Scopus): 36613033400Россия, 119192, г. Москва, Ломоносовский проспект, 27/10</p></bio><bio xml:lang="en"><p>MD, PhD, Senior researcher scientist, Department of Pathology, Medical Research and Educational Center</p><p>Researcher ID (WOS): H-6477-2014. Author ID (Scopus): 36613033400</p></bio><email xlink:type="simple">ndanilova@mc.msu.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/0000-0001-8301-4528</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хомяков</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kkomyakov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, заведующий торакоабдоминальным отделением</p><p>SPIN-код: 4081-7701. Researcher ID (WOS): W-4911-2019. Author ID (Scopus): 56740937000Россия, 125284, г. Москва, 2-й Боткинский пр., 3</p></bio><bio xml:lang="en"><p>MD, PhD, Head of Department of thoracoabdominal surgical oncology</p><p>Researcher ID (WOS): W-4911-2019. Author ID (Scopus): 56740937000</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/0000-0002-2178-9317</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чайка</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chayka</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, научный сотрудник торакоабдоминального отделения</p><p>SPIN-код: 6781-1890. Researcher ID (WOS): AAH-1566-2020. Author ID (Scopus): 57200366803Россия, 125284, г. Москва, 2-й Боткинский пр., 3</p></bio><bio xml:lang="en"><p>MD, PhD, Researcher, Department of thoracoabdominal surgical oncology</p><p>Researcher ID (WOS): AAH-1566-2020. Author ID (Scopus): 57200366803</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/0000-0001-8020-369X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайлов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>стажер-исследователь, отдел клинической патологии, Медицинский научно-образовательный центр</p><p> SPIN-код: 5798-0749. Researcher ID (WOS): I-9035-2017. Author ID (Scopus): 57203900904Россия, 119192, г. Москва, Ломоносовский проспект, 27/10</p></bio><bio xml:lang="en"><p>Trainee Researcher, Department of Pathology, Medical Research and Educational Center</p><p>Researcher ID (WOS): I-9035-2017. Author ID (Scopus): 57203900904</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/0000-0001-8564-8874</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олейникова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Oleynikova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, научный сотрудник, отдел клинической патологии, Медицинский научно-образовательный центр </p><p>SPIN-код: 4076-2637. Researcher ID (WOS): H-7672-2014. Author ID (Scopus):  55867516400 Россия, 119192, г. Москва, Ломоносовский проспект, 27/10</p></bio><bio xml:lang="en"><p>MD, PhD, Researcher, Department of Pathology, Medical Research and Educational Center</p><p>Researcher ID (WOS): H-7672-2014. Author ID (Scopus): 55867516400</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/0000-0001-5074-3513</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мальков</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Malkov</surname><given-names>P. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, заведующий отделом клинической патологии, Медицинский научнообразовательный центр</p><p>SPIN-код: 5110-2301. Researcher ID (WOS): H-6672-2014. Author ID (Scopus): 35788548700Россия, 119192, г. Москва, Ломоносовский проспект, 27/10</p></bio><bio xml:lang="en"><p>MD, ScD, Head of Department of Pathology, Medical Research and Educational Center</p><p>Researcher ID (WOS): H-6672-2014. Author ID (Scopus): 35788548700</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Московский государственный университет им. М.В. Ломоносова»<country>Россия</country></aff><aff xml:lang="en">Lomonosov Moscow State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Московский научно-исследовательский онкологический институт (МНИОИ) им. П.А. Герцена – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России<country>Россия</country></aff><aff xml:lang="en">P. Hertsen Moscow Oncology Research Institute – branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>03</month><year>2021</year></pub-date><volume>20</volume><issue>1</issue><fpage>74</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Данилова Н.В., Хомяков В.М., Чайка А.В., Михайлов И.А., Олейникова Н.А., Мальков П.Г., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Данилова Н.В., Хомяков В.М., Чайка А.В., Михайлов И.А., Олейникова Н.А., Мальков П.Г.</copyright-holder><copyright-holder xml:lang="en">Danilova N.V., Kkomyakov V.M., Chayka A.V., Mikhailov I.A., Oleynikova N.A., Malkov P.G.</copyright-holder><license 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.siboncoj.ru/jour/article/view/1694">https://www.siboncoj.ru/jour/article/view/1694</self-uri><abstract><p>Цель исследования – оценка прогностического значения иммунного микроокружения рака желудка и морфологически нормальной слизистой оболочки перитуморальной области с применением системы автоматического морфометрического анализа на примере cd8+ клеток. </p><sec><title>Материал и методы</title><p>Материал и методы. Использованы образцы операционного материала от 130 пациентов с верифицированным диагнозом рака желудка. После проведения иммуногистохимического окрашивания с антителами к cd8 была проведена морфологическая оценка по оригинальной методике: подсчет средней площади cd8+ клеток в трех полях зрения при ×20, измеренной с помощью автоматической системы морфометрического анализа las X, в центральной части опухоли и участках морфологически нормальной слизистой оболочки перитуморальной области, непосредственно прилежащей к опухолевой ткани. Результаты сопоставленыс основными клинико-морфологическими характеристиками опухолевого процесса и с общей пятилетней выживаемостью пациентов. </p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Высокая плотность инфильтрации cd8+ клетками в участках нормальной слизистой оболочки перитуморальной области наблюдалась в группах t4a и t4b по глубине инвазии (n=96, p=0,0089); была ассоциирована с наличием эмболов в лимфатических сосудах (n=96, p=0,0102) и с более продвинутой стадией рака желудка (n=96, p=0,0107). Исследованные случаи были разделены на две группы: до 3300 кв.мкм (лучшая выживаемость пациентов – n=79, p=0,01) и от 3300 кв.мкм и более по средней площади cd8+ клеток в участках нормальной слизистой оболочки перитуморальной области. При проведении многофакторного анализа выживаемости с использованием регрессионной модели Кокса установлено, что средняя площадь cd8+ клеток в нормальной слизистой оболочке перитуморальной области является значимым отрицательным прогностическим фактором (RR=1,537; ci: 1,102–3,105; p&lt;0,01), сопоставимым по степени ковариации со стадией опухолевого процесса. Аналогичный показатель, измеренный в центральной части опухоли, не был значимо ассоциирован с выживаемостью пациентов (RR=0,803; ci:0,574–1,122; p&gt;0,05). </p></sec><sec><title>Заключение</title><p>Заключение. Впервые продемонстрирована возможность использования системы автоматического анализа для оценки иммунного микроокружения при раке желудка и установлено, что высокий уровень инфильтрации cd8+ лимфоцитами морфологически нормальной слизистой оболочки перитуморальной области является независимым неблагоприятным прогностическим фактором, в связи с чем рекомендуем обязательныйзабор биопсийного материала из слизистой оболочки перитуморальной области на предоперационном этапе для морфометрической оценки инфильтрации cd8+ лимфоцитами.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study was to study and evaluate the predictive value of the immune microenvironment of gastric cancer and morphologically normal mucous membrane of the peritumoral area using an automatic morphometric analysis system on the example of CD 8+ cells.</p><sec><title>Material and Methods</title><p>Material and Methods. Surgical samples from 130 patients with a verified diagnosis of gastric cancer were used. After immunohistochemical staining with antibodies to CD 8, a morphological assessment was performed according to the original method. We assessed the average area of CD 8+ cells in three fields of view (lens magn. ×20) using the automatic system of morphometric analysis LAS X (Leica) in the central part of the tumor and areas of morphologically normal mucous membrane of the peritumoral region directly adjacent to the tumor tissue. The results were compared with the main clinical and morphological characteristics of the tumor as well as with the overall five-year survival of patients.</p></sec><sec><title>Results and Discussion</title><p>Results and Discussion. A high density of CD 8+ infiltration of normal mucous membrane of the peritumoral area was observed in groups T4a and T4b by the depth of invasion (n=96, p=0.0089) and was associated with the presence of emboli in the lymphatic vessels (n=96, p=0.0102) and with the more advanced stage of gastric cancer (n=96, p=0.0107). The studied cases were divided into two groups: less than 3300 square micrometers (better patient survival; n=79, p=0.01) and more than 3300 square micrometers according to the average area of CD 8+ cells in normal mucous membrane of the peritumoral area. According to multivariate survival analysis using the Cox regression model, it was found that the average area of CD 8+ cells in normal mucous membrane of the peritumoral area was a significant negative prognostic factor (RR=1.537; CI : 0.761–3.105; p&lt;0.01) comparable in degree covariance with the stage of the tumor A similar indicator assessed in central part of the tumor was not significantly associated with patient survival (RR=0.803; CI : 0.574–1.122; p&gt;0.05).</p></sec><sec><title>Conclusion</title><p>Conclusion. The possibility of using an automatic analysis system to evaluate the immune microenvironment in gastric cancer was demonstrated for the first time. It was found that a high level of CD 8+ lymphocyte infiltration of morphologically normal mucous membrane of the peritumoral area was an independent negative prognostic factor. Therefore, we recommend the mandatory preoperative biopsy sampling from the mucous membrane of the peritumoral region for morphometric assessment of CD 8+ lymphocyte infiltration. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>рак желудка</kwd><kwd>иммунное микроокружение</kwd><kwd>морфометрический анализ</kwd><kwd>иммуногистохимия</kwd><kwd>cd8-позитивные t-лимфоциты</kwd><kwd>анализ выживаемости</kwd><kwd>прогностические факторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gastric cancer</kwd><kwd>tumor microenvironment</kwd><kwd>morphometric analysis</kwd><kwd>immunohistochemistry</kwd><kwd>CD8-positive T-lymphocytes</kwd><kwd>survival analysis</kwd><kwd>prognostic factors</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена в рамках госзадания ФГБОУ ВО «МГУ им. М.В. Ломоносова».</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>This research was carried out as part of the state assignment of Lomonosov Moscow State University</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">Bray F., Ferlay J., Soerjomataram I., Siegel R.L., Torre L.A., Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2018 Nov; 68(6): 394–424. doi: 10.3322/caac.21492.</mixed-citation><mixed-citation xml:lang="en">Bray F., Ferlay J., Soerjomataram I., Siegel R.L., Torre L.A., Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. 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