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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">986</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2024-19-4-182-187</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>SUPPORTIVE THERAPY ASPECTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>АСПЕКТЫ ПОДДЕРЖИВАЮЩЕЙ ТЕРАПИИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en"><italic>IL4</italic> and <italic>TLR3</italic> gene polymorphism in infectious complications in patients with acute myeloid leukemia</article-title><trans-title-group xml:lang="ru"><trans-title>Полиморфизм генов <italic>IL4</italic> и <italic>TLR3</italic> при инфекционных осложнениях у больных острым миелоидным лейкозом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3859-1275</contrib-id><name-alternatives><name xml:lang="en"><surname>Korobov</surname><given-names>S. O.</given-names></name><name xml:lang="ru"><surname>Коробов</surname><given-names>С. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Sergey Olegovich Korobov,</bold></p><p>72 Krasnoarmeyskaya St., Kirov 610027</p></bio><bio xml:lang="ru"><p><bold>Сергей Олегович Коробов,</bold></p><p>610027 Киров, ул. Красноармейская, 72</p></bio><email>korobov@niigpk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2010-8679</contrib-id><name-alternatives><name xml:lang="en"><surname>Nazarova</surname><given-names>E. L.</given-names></name><name xml:lang="ru"><surname>Назарова</surname><given-names>Е. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>72 Krasnoarmeyskaya St., Kirov 610027</p></bio><bio xml:lang="ru"><p>610027 Киров, ул. Красноармейская, 72</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1447-0199</contrib-id><name-alternatives><name xml:lang="en"><surname>Dokshina</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Докшина</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>72 Krasnoarmeyskaya St., Kirov 610027</p></bio><bio xml:lang="ru"><p>610027 Киров, ул. Красноармейская, 72</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kirov Research Institute of Hematology and Blood Transfusion, Federal Medical and Biological Agency</institution></aff><aff><institution xml:lang="ru">ФГБУН «Кировский научно-исследовательский институт гематологии и переливания крови Федерального медико-биологического агентства»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-10" publication-format="electronic"><day>10</day><month>12</month><year>2024</year></pub-date><volume>19</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>182</fpage><lpage>187</lpage><history><date date-type="received" iso-8601-date="2024-12-10"><day>10</day><month>12</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-12-10"><day>10</day><month>12</month><year>2024</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/986">https://oncohematology.abvpress.ru/ongm/article/view/986</self-uri><abstract xml:lang="en"><p><bold>Background</bold>. Patients with acute myeloid leukemia (AML) are predisposed to infectious complications (IC). Single nucleotide polymorphisms in genes can affect the function and/or expression of the proteins they encode. Since the functioning of the innate immune system is under genetic control, identifying polymorphic variants that reduce the effectiveness of the immune response is a promising method for identifying patients at high risk of severe infections.</p><p><bold>Aim</bold>. To evaluate the relationship between presence of single nucleotide polymorphisms TLR3 C1234G and IL4 C589T with IC frequency in AML patients.</p><p><bold>Materials and methods</bold>. TLR3 C1234G and IL4 C589T polymorphisms were genotyped in 93 patients with AML, of which 77 (82.80 %) – de novo AML, 16 (17.20 %) – AML with previous myelodysplastic syndrome. Patients received 263 chemotherapy courses. Median age was 58 (Q1–Q3: 38–66) years, 50 (53.76 %) were men, 43 (46.24 %) were women. Sepsis and pneumonia were considered severe IC. Allele-specific polymerase chain reaction with detection of amplification products in a 3 % agarose gel was used to genotype single nucleotide polymorphisms in immune response genes.</p><p><bold>Results</bold>. Severe IC were developed in 57 (21.67 %) chemotherapy courses. It was found that in patients with the TLR3 1234GG genotype, compared with carriers of the TLR31234CC genotype, the frequency of severe IC is 4.8 times lower (odds ratio 0.21; p = 0.022). Severe IC occurred 2.3 times more often in heterozygous carriers of the IL4 C589T polymorphism than in homozygous carriers of the C allele (odds ratio 2.29; p = 0.025). In multivariate analysis, taking into account age, gender and severity of neutropenia, the TLR31234GG and IL4 589CT genotypes variants remained independent predictors of IC.</p><p><bold>Conclusion</bold>. The TLR3 1234CC and IL4589CT genotypes are associated with the risk of severe IC in AML patients.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Пациенты с острым миелоидным лейкозом (ОМЛ) предрасположены к инфекционным осложнениям (ИО). Однонуклеотидные замены в генах могут влиять на функции и/или экспрессию кодируемых ими белков. Поскольку функционирование врожденной иммунной системы находится под генетическим контролем, выявление полиморфных вариантов локусов, снижающих эффективность иммунного ответа, – перспективный метод идентификации пациентов, имеющих высокий риск тяжелых инфекций.</p><p><bold>Цель исследования</bold> – оценить связь носительства однонуклеотидных полиморфизмов TLR3 C1234G и <italic>IL4</italic> C589T с частотой ИО у больных ОМЛ.</p><p><bold>Материалы и методы</bold>. Генотипированы полиморфизмы <italic>TLR3</italic> C1234G и <italic>IL4</italic> C-589T у 93 пациентов с ОМЛ, из них у 77 (82,80 %) – <italic>de novo</italic> ОМЛ, у 16 (17,20 %) – ОМЛ с предшествующим миелодиспластическим синдромом. Больным проведено 263 курса химиотерапии. Медиана возраста – 58 (Q1–Q3: 38–66) лет, мужчин – 50 (53,76 %), женщин – 43 (46,24 %). Тяжелыми ИО считались сепсис и пневмония. Аллель-специфичную полимеразную цепную реакцию с детекцией продуктов амплификации в 3 % агарозном геле использовали для генотипирования однонуклеотидных замен в генах иммунного ответа.</p><p><bold>Результаты</bold>. Тяжелыми ИО сопровождались 57 (21,67 %) курсов химиотерапии. пациентов – носителей генотипа <italic>TLR31234GG</italic> по сравнению с носителями генотипа <italic>TLR3</italic> 1234СС частота тяжелых ИО ниже в 4,8 раза (отношение шансов 0,21; <italic>p</italic> = 0,022). Тяжелые ИО в 2,3 раза чаще возникали у гетерозиготных носителей полиморфизма <italic>IL4</italic> С-589T, чем у гомозиготных носителей аллеля C (отношение шансов 2,29; <italic>p</italic> = 0,025). В многофакторном анализе при учете возраста, пола и длительности нейтропении варианты генотипов <italic>TLR3</italic> 1234GG и <italic>IL4</italic>-589СT оставались независимыми предикторами ИО.</p><p><bold>Заключение</bold>. Генотипы <italic>TLR3</italic> 1234СС и <italic>IL4589СT</italic> ассоциированы с риском тяжелых ИО у больных ОМЛ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>acute myeloid leukemia</kwd><kwd>infectious complication</kwd><kwd>Toll-like receptor</kwd><kwd>interleukin</kwd><kwd>single nucleotide polymorphism</kwd><kwd>sepsis</kwd><kwd>pneumonia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>острый миелоидный лейкоз</kwd><kwd>инфекционное осложнение</kwd><kwd>Toll-подобный рецептор</kwd><kwd>интерлейкин</kwd><kwd>однонуклеотидная замена</kwd><kwd>сепсис</kwd><kwd>пневмония</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено при финансовой поддержке ФГБУ «Фонд содействия развитию малых форм предприятий в научнотехнической сфере» (Фонд содействия инновациям), договор № 17368ГУ/2022.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Okhmat V.A., Klyasova G.A., Parovichnikova E.N. et al. 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