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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">Therapy</journal-id><journal-title-group><journal-title xml:lang="en">Therapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2412-4036</issn><issn publication-format="electronic">2713-1823</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">288196</article-id><article-id pub-id-type="doi">10.18565/therapy.2021.4.41-47</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>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">The role of innate immune factors in acute myeloid leukemia before and after chemotherapy</article-title><trans-title-group xml:lang="ru"><trans-title>Изучение роли факторов врожденного иммунитета в остром миелоидном лейкозе до и после химиотерапии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vinnitskaya</surname><given-names>Alexandra B.</given-names></name><name xml:lang="ru"><surname>Винницкая</surname><given-names>Александра Борисовна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, junior researcher</p></bio><bio xml:lang="ru"><p>к.м.н., младший научный сотрудник</p></bio><email>byzonka@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Svitich</surname><given-names>Oksana A.</given-names></name><name xml:lang="ru"><surname>Свитич</surname><given-names>Оксана Анатольевна</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, professor, corresponding member of RAS, professor of the Department of microbiology, virology and immunology of F.F. Erisman Institute of Public Health; Director</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, член-корр. РАН, профессор кафедры микробиологии, вирусологии и иммунологии Института общественного здоровья им. Ф.Ф. Эрисмана; директор</p></bio><email>svitichoa@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Golenkov</surname><given-names>Anatoly K.</given-names></name><name xml:lang="ru"><surname>Голенков</surname><given-names>Анатолий Константинович</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, professor, head of the Clinic of clinical hematology and immunotherapy</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, руководитель клиники клинической гематологии и иммунотерапии</p></bio><email>golenkov@monikiweb.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Klinushkina</surname><given-names>Elena F.</given-names></name><name xml:lang="ru"><surname>Клинушкина</surname><given-names>Елена Федоровна</given-names></name></name-alternatives><bio xml:lang="en"><p>head of the Department of clinical hematology and immunotherapy</p></bio><bio xml:lang="ru"><p>зав. отделением клинической гематологии и иммунотерапии</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zaitseva</surname><given-names>Tatyana A.</given-names></name><name xml:lang="ru"><surname>Зайцева</surname><given-names>Татьяна Александровна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, senior lecturer of the Department of microbiology, virology and immunology of F.F. Erisman Institute of Public Health</p></bio><bio xml:lang="ru"><p>к.м.н., старший преподаватель кафедры микробиологии, вирусологии и иммунологии Института общественного здоровья им. Ф.Ф. Эрисмана</p></bio><email>zaytseva_t_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Davydova</surname><given-names>Natalya V.</given-names></name><name xml:lang="ru"><surname>Давыдова</surname><given-names>Наталья Владимировна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, associate professor of the Department of microbiology, virology and immunology of F.F. Erisman Institute of Public Health</p></bio><bio xml:lang="ru"><p>к.м.н., доцент кафедры микробиологии, вирусологии и иммунологии Института общественного здоровья им. Ф.Ф. Эрисмана</p></bio><email>kaf-microb-pmgmu@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zverev</surname><given-names>Vitaly V.</given-names></name><name xml:lang="ru"><surname>Зверев</surname><given-names>Виталий Васильевич З</given-names></name></name-alternatives><bio xml:lang="en"><p>doctor of biological sciences, professor, academician of RAS, head of the Department of microbiology, virology and immunology of F.F. Erisman Institute of Public Health; scientific director</p></bio><bio xml:lang="ru"><p>д.б.н., профессор, академик РАН, зав. кафедрой микробиологии, вирусологии и иммунологии Института общественного здоровья им. Ф.Ф. Эрисмана; научный руководитель</p></bio><email>zverev_v_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.I. Mechnikov Scientific Research Institute of Vaccines and Serums</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научно-исследовательский институт вакцин и сывороток им. И.И. Мечникова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University of the Ministry of Healthcare of Russia (Sechenov University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет имени И.М. Сеченова» Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">M.F. Vladimirsky Moscow Regional Research Clinical Institute</institution></aff><aff><institution xml:lang="ru">ГБУЗ Московской области «Московский областной научно-исследовательский клинический институт им. М. Ф. Владимирского» (ГБУЗ МО МОНИКИ им. М.Ф. Владимирского)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2021</year></pub-date><volume>7</volume><issue>4</issue><issue-title xml:lang="en">VOL 7, NO4 (2021)</issue-title><issue-title xml:lang="ru">ТОМ 7, №4 (2021)</issue-title><fpage>41</fpage><lpage>47</lpage><history><date date-type="received" iso-8601-date="2023-02-26"><day>26</day><month>02</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ООО «Бионика Медиа»</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2412-4036/article/view/288196">https://journals.eco-vector.com/2412-4036/article/view/288196</self-uri><abstract xml:lang="en"><p>The aim was to study the effect of chemotherapy on chemotaxis, as well as the expression of CXCL12, EGFR, CCR4 genes in mononuclear cells (MNCs) from patients with acute myeloid leukemia (AML) after CXCL12 exposure. Material and methods. Blood isolated from AML patients, as well as blood from healthy donors served as a clinical material. The study of chemotaxis was carried out using a Boyden chamber. CXCL12 was used as a chemoattractant. Gene expression was studied by means of using real-time polymerase chain reaction (RT-PCR). Results. Decreased chemotaxis of MNCs isolated from AML patients before chemotherapy started, in the direction towards CXCL12 was determined. An increase in the expression of the heterologous receptor CCR4 gene and a decrease in the expression of the EGFR gene before chemotherapy under the influence of CXCL12 were shown. After the therapy, the expression profiles change their direction. Conclusion. Above-described studies and obtained data demonstrate that there are existing other non-classical pathways of chemotaxis activation, as well as the possibility of cross-activation of heterologous receptors.</p></abstract><trans-abstract xml:lang="ru"><p>Цель - изучить влияние химиотерапии на хемотаксис, а также экспрессию генов CXCL12, EGFR, CCR4 в мононуклеарных клетках (МНК) от пациентов с острым миелоидным лейкозом (ОМЛ) после воздействия CXCL12. Материал и методы. Клиническим материалом служила кровь, выделенная от пациентов с ОМЛ, а также кровь от здоровых доноров. Исследование хемотаксиса проводилось с использованием камеры Бойдена. В качестве хемоаттрактанта использовался CXCL12. Экспрессия генов изучалась с помощью полимеразной цепной реакции в реальном времени (ПЦР-РВ). Результаты. Определено снижение хемотаксиса МНК, выделенных от пациентов с ОМЛ до начала химиотерапии, по направлению к CXCL12. Показано увеличение экспрессии гена гетерологичного рецептора CCR4 и снижение экспрессии гена EGFR до химиотерапии под воздействием CXCL12. После проводимой терапии экспрессионные профили меняют свое направление. Заключение. Вышеописанные исследования и полученные данные демонстрируют, что существуют другие неклассические пути активации хемотаксиса, а также возможность перекрестной активации гетерологичных рецепторов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>CXCL12</kwd><kwd>EGFR</kwd><kwd>CCR4</kwd><kwd>chemokines</kwd><kwd>chemotaxis</kwd><kwd>acute myeloid leukemia</kwd><kwd>CXCL12</kwd><kwd>EGFR</kwd><kwd>CCR4</kwd><kwd>Boyden's chamber</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хемокины</kwd><kwd>хемотаксис</kwd><kwd>острый миелоидный лейкоз</kwd><kwd>камера Бойдена</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Lin W.W., Karin M.A cytokine-mediated link between innate immunity, inflammation, and cancer. J Clin Invest. 2007; 117(5): 1175-83. doi: 10.1172/JCI31537.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Coussens L.M., Werb Z. Inflammation and cancer. 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