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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">10.21294/1814-4861-2022-21-5-102-108</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-2313</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>ОПЫТ РАБОТЫ ОНКОЛОГИЧЕСКИХ УЧРЕЖДЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ONCOLOGY PRACTICE</subject></subj-group></article-categories><title-group><article-title>Особенности состава кишечной микробиоты у больных раком толстой кишки</article-title><trans-title-group xml:lang="en"><trans-title>Features of the composition of the intestinal microbiota in patients with colorectal 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/0000-0002-8696-9562</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волков</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волков Степан Владимирович, ассистент кафедры онкологии  </p><p> Россия, 672090, г. Чита, ул. Горького, 39а </p></bio><bio xml:lang="en"><p>Stepan V. Volkov, MD, Assistant of the Department of Oncology</p><p>39a, Gorky St., 672090, Chita, Russia</p></bio><email xlink:type="simple">vsv_19@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/0000-0003-1665-3754</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лобанов</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Lobanov</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лобанов Сергей Леонидович, доктор медицинских наук, профессор, заведующий кафедрой факультетской хирургии с курсом урологии </p><p> Россия, 672090, г. Чита, ул. Горького, 39а </p></bio><bio xml:lang="en"><p>Sergey L. Lobanov, MD, DSc, Professor, Head of the Department of Faculty Surgery with a Course in Urology</p><p>39a, Gorky St., 672090, Chita, Russia</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/0000-0002-2748-0644</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добродеев</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobrodeev</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Добродеев Алексей Юрьевич, доктор медицинских наук, ведущий научный сотрудник отделения абдоминальной онкологии</p><p>SPIN-код: 5510-4043. Researcher ID (WOS): B-5644-2017. Author ID (Scopus): 24832974200</p><p> Россия, 634009, г. Томск, пер. Кооперативный, 5 </p></bio><bio xml:lang="en"><p>Aleksey Yu. Dobrodeev, MD, DSc, Leading Researcher, Department of Abdominal Oncology</p><p>Researcher ID (WOS): B-5644-2017. Author ID (Scopus): 24832974200 </p><p>5, Kooperativny St., 634009, Tomsk, Russia</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Читинская государственная медицинская академия» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chita State Medical Academy of the Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>10</month><year>2022</year></pub-date><volume>21</volume><issue>5</issue><fpage>102</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волков С.В., Лобанов С.Л., Добродеев А.Ю., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Волков С.В., Лобанов С.Л., Добродеев А.Ю.</copyright-holder><copyright-holder xml:lang="en">Volkov S.V., Lobanov S.L., Dobrodeev A.Y.</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.siboncoj.ru/jour/article/view/2313">https://www.siboncoj.ru/jour/article/view/2313</self-uri><abstract><p>Цель исследования ‒ изучить состав кишечной микробиоты и определить возможности ее использования для диагностики и прогнозирования течения рака толстой кишки (РТК). Материал и методы. В период с 2017 по 2021 г. на базе ФГБОУ ВО «Читинская государственная медицинская академия» проведено исследование, в которое было включено 75 больных РТК (I группа, основная) и 25 здоровых лиц (II группа, контрольная). В основной группе проводились хирургическое лечение и адъювантная химиотерапия. Для определения состава кишечной микробиоты у больных основной группы забор биоптатов с опухолевой ткани и с визуально не измененной слизистой оболочки толстой кишки производился после завершения операции (из макропрепарата), а у здоровых лиц – с визуально не измененной слизистой оболочки толстой кишки во время видеоколоноскопии. Результаты. При анализе толстокишечной микробиоты у больных РТК установлено достоверное снижение количественного состава Bifidobacterium spp., E. coli (типичные) и увеличение Clostridium spр. относительно здоровых лиц. Выявлена значимая связь количества Lactobacillus spp., Bifidobacterium spp., Bacteroides spp., E. coli – с полом больного; Lactobacillus spp., Bifidobacterium spp., Staphylococcus spp. (CNS) – со степенью дифференцировки опухоли; условно-патогенной микрофлоры – с формой роста опухоли. Отдельные комбинации состава кишечной микробиоты у больных РТК являются факторами прогноза развития послеоперационных осложнений (Lactobacillus spp., Bacteroides spp., E. coli &lt;3,0 КОЕ/г) и 3-летней выживаемости (Lactobacillus spp., Bifidоbacterium spp., Bacteroides и E. coli ≥3,0 КОЕ/г). Заключение. Исследование кишечной микробиоты позволяет дифференцировать больных РТК, а также прогнозировать риск развития послеоперационных осложнений и выживаемость больных.</p></abstract><trans-abstract xml:lang="en"><p>Purpose of the study: to investigate the composition of the intestinal microbiota and determine the feasibility of using it in diagnosis and prognosis of colorectal cancer (CRC). Material and methods. The study included 75 patients with CC (study group I) and 25 healthy individuals (control group II) who were treated at Chita State Medical Academy from 2017 to 2021. Group I patients underwent surgery and adjuvant chemotherapy. To determine the composition of the intestinal microbiota, biopsy specimens were taken from the tumor tissue and from the visually unchanged colon mucosa after the completion of surgery in the study group and from the visually unchanged colon mucosa during colonoscopy in the control group. Results. The counts of Bifidobacterium spp., E. Coli (typical) in the intestinal microbiota were significantly lower and the concentration of Clostridium spp. Was higher in CRC patients than in healthy individuals. Significant relationships between the counts of Lactobacillus spp., Bifidobacterium spp., Bacteroides spp., E. Coli and the patient’s gender; Lactobacillus spp., Bifidobacterium spp., Staphylococcus spp. (CNS) and the tumor grade; conditionally pathogenic microflora and the form of tumor growth were found. Some combinations of the composition of the intestinal microbiota in CRC patients are predictive factors for the development of postoperative complications (Lactobacillus spp., Bacteroides spp., E. Coli &lt;3.0 CFU/g) and 3-year survival (Lactobacillus spp., Bifidobacterium spp., Bacteroides and E. Coli ≥3.0 CFU/g). Conclusion. The study of the intestinal microbiota makes it possible to differentiate patients with CRC, as well as to predict the risk of postoperative complications and patient survival.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак толстой кишки</kwd><kwd>кишечная микробиота</kwd><kwd>диагностика</kwd><kwd>прогноз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>colon cancer</kwd><kwd>intestinal microbiota</kwd><kwd>diagnostics</kwd><kwd>prognosis</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">Злокачественные новообразования в России в 2018 году (заболеваемость и смертность). М., 2019. 250 с.</mixed-citation><mixed-citation xml:lang="en">Malignant tumors in Russia in 2018 (morbidity and mortality). Moscow, 2019. 250 p. 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