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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">ymj</journal-id><journal-title-group><journal-title xml:lang="ru">Якутский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Yakut Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-1905</issn><issn pub-type="epub">2312-1017</issn><publisher><publisher-name>ЯНЦ КМП</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">ymj-1654</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>АКТУАЛЬНАЯ ТЕМА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ACTUAL TOPIC</subject></subj-group></article-categories><title-group><article-title>Уровень иммуноглобулинов при острой респираторной вирусной инфекции у часто болеющих детей-носителей полиморфизма генов (Аsp299gly) TOLL-4 и (ser249pro) TOLL-6 рецепторов</article-title><trans-title-group xml:lang="en"><trans-title>The level of immunoglobulins at acute respiratory viral infection in frequently ill children – carriers of gene polymorphism (Asp299gly) TOLL-4 and (ser249pro) TOLL-6 receptors</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>Малежик</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Malezhik</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Малежик Лидия Павловна – д.м.н., проф.</p></bio><bio xml:lang="en"><p>Malezhik Lidia Pavlovna – MD, prof.</p><p>Chita</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Mалежик</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Malezhik</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Mалежик Маргарита Сергеевна – к.м.н., ассистент каф.</p></bio><bio xml:lang="en"><p>Malezhik Margarita Sergeevna - MD, PhD, Department of Assistant</p><p>Chita</p></bio><email xlink:type="simple">rita.malezhik@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нимаева</surname><given-names>Д. Ц.</given-names></name><name name-style="western" xml:lang="en"><surname>Nimaeva</surname><given-names>D. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нимаева Дулма Цыбеновна – к.м.н., доцент</p></bio><bio xml:lang="en"><p>Nimaeva Dulma Tsybenovna - MD, PhD</p><p>Chita</p></bio><email xlink:type="simple">dulmanimaeva@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Читинская гос. мед. академия<country>Россия</country></aff><aff xml:lang="en">State educational establishment of higher professional education Chita state medical Academy<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>20</day><month>09</month><year>2025</year></pub-date><volume>0</volume><issue>3</issue><fpage>76</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Малежик Л.П., Mалежик М.С., Нимаева Д.Ц., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Малежик Л.П., Mалежик М.С., Нимаева Д.Ц.</copyright-holder><copyright-holder xml:lang="en">Malezhik L.P., Malezhik M.S., Nimaeva D.T.</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://ymj.elpub.ru/jour/article/view/1654">https://ymj.elpub.ru/jour/article/view/1654</self-uri><abstract><p>Изучена роль полиморфизма генов Toll-4 и Toll-6 рецепторов в снижении противовирусной защиты у часто болеющих детей. Показано, что в крови таких детей увеличено содержание IgM, IgG и его подклассов, уменьшена концентрация IgA. При генетической мутации в (Asp 299Gly) Toll-4 и (Ser249Pro) Toll-6 рецепторах синтез изучаемых иммуноглобулинов снижен, что расценивается как одна из причин низкой противовирусной защиты у детей с генетическими дефектами в сигнальных рецепторах иммунной системы.</p></abstract><trans-abstract xml:lang="en"><p>In the article the role of polymorphisms of genes Toll-4 and Toll-6 receptor in the development of low antiviral defense of sickly children is examined. It is shown that in the blood of children the content of IgM, IgG and its subclasses increases, and the concentration of IgA is reduced. At the genetic mutations in (Asp 299 Gly) Toll-4 and (Ser 249 Pro) Toll-6 receptors synthesis of explored immunoglobulins is reduced, that is regarded as one of the reasons for the low antiviral defense of children with genetic defects in the immune system signaling receptors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>иммуноглобулины</kwd><kwd>ОРВИ</kwd><kwd>Toll-4 и Toll-6 рецепторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>immunoglobulins</kwd><kwd>SARS</kwd><kwd>Toll-4 and Toll-6 receptors</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">Бондаренко В.М. Микробный фактор и Toll-подобные рецепторы в патогенезе атеросклероза / В.М. Бондаренко, В.Г. Лиходед // Журнал микробиологии, эпидемиологии и иммунологии. – 2009. – №6. – С.107-110.</mixed-citation><mixed-citation xml:lang="en">Bondarenko V.M. 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