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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-214-6-140-145</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-2318</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>ОБЗОР</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEW</subject></subj-group></article-categories><title-group><article-title>Специфика окислительного стресса и антиоксидантной системы у детей с болезнью Крона и язвенным колитом</article-title><trans-title-group xml:lang="en"><trans-title>Specifics of oxidative stress and antioxidant system in children with Crohn disease and ulcerative colitis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1774-0692</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федулова</surname><given-names>Э. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedulova</surname><given-names>E. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-5988-0079</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вагин</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vagin</surname><given-names>M. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-0818-5316</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мартусевич</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Martusevich</surname><given-names>A. K.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-3717-2186</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поповичева</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Popovicheva</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0001-7308-7280</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хавкин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khavkin</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">gastropedclin@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Приволжский исследовательский медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Privolzhsky Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ МО Научно-исследовательский клинический институт детства Министерства здравоохранения Московской области»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Clinical Institute of Childhood of the Ministry of Health of the Moscow Region</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>07</month><year>2023</year></pub-date><volume>0</volume><issue>6</issue><fpage>140</fpage><lpage>145</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Федулова Э.Н., Вагин М.С., Мартусевич А.К., Поповичева А.Н., Хавкин А.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Федулова Э.Н., Вагин М.С., Мартусевич А.К., Поповичева А.Н., Хавкин А.И.</copyright-holder><copyright-holder xml:lang="en">Fedulova E.N., Vagin M.S., Martusevich A.K., Popovicheva A.N., Khavkin A.I.</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.nogr.org/jour/article/view/2318">https://www.nogr.org/jour/article/view/2318</self-uri><abstract><p>Представлены результаты исследований уровня биомаркеров окислительного стресса и антиоксидантной системы у детей с болезнью Крона и язвенным колитом. Показана связь между нозологией и особенностью окислительно-восстановительного дисбаланса, которая доказана значимой разницей уровня восстановленного глутатиона эритроцитов между группами испытуемых. У детей с болезнью Крона отмечается более низкий уровень восстановленного глутатиона эритроцитов по сравнению данного показателя у пациентов с язвенным колитом. Эту закономерность можно объяснить различным типом воспаления у данных заболеваний. Так при болезни Крона имеет место продуктивное гранулематозное хроническое воспаления, при котором одним из механизмом развития и течения является несовершенный фагоцитоз. Окислительный стресс и дефицит глутатиона, входящий в антиоксидантную систему, играют важнейшую роль в дефекте фагоцитоза, а сохранение окислительного дисбаланса будет приводить к повышению активности воспаления за счет сохранения иммунной дизрегуляции. В работе представлен вариант использования бинарной логистической регрессии для поиска модели метода дифференциальной диагностики воспалительных заболеваний кишечника, где независимой переменной является содержание восстановленного глутатиона эритроцитов.</p></abstract><trans-abstract xml:lang="en"><p>The results of studies of the level of biomarkers of oxidative stress and the antioxidant system in children with Crohn’s disease and ulcerative colitis are presented. The relationship between nosology and the feature of redox imbalance was demonstrated, which was proved by a significant difference in the level of reduced glutathione in erythrocytes between groups of subjects. Children with Crohn’s disease have a lower level of reduced erythrocyte glutathione compared to patients with ulcerative colitis. This pattern can be explained by different types of inflammation in these diseases. Crohn’s disease has a productive granulomatous chronic inflammation, in which one of the mechanisms of development and flow is incomplete phagocytosis. Oxidative stress and deficiency of glutathione, which is part of the antioxidant system, make a large contribution to the defect in phagocytosis, and the persistence of oxidative imbalance will lead to an increase in inflammation activity due to the preservation of immune dysregulation. The study presents a variant of using binary logistic regression to search for a model of a method for the differential diagnosis of inflammatory bowel diseases, where the independent variable is the content of reduced erythrocyte glutathione.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Крона</kwd><kwd>язвенный колит</kwd><kwd>дети</kwd><kwd>окислительный стресс</kwd><kwd>антиоксидантная система</kwd><kwd>глутатион</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Crohn’s disease</kwd><kwd>ulcerative colitis</kwd><kwd>children</kwd><kwd>oxidative stress</kwd><kwd>antioxidant system</kwd><kwd>glutathione</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">Day A.S., Lemberg D. A. Identification and diagnosis of Crohn disease and ulcerative colitis in children. 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