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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">adair</journal-id><journal-title-group><journal-title xml:lang="ru">Аллергология и Иммунология в Педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Allergology and Immunology in Paediatrics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2500-1175</issn><issn pub-type="epub">2712-7958</issn><publisher><publisher-name>Ассоциация детских аллергологов и иммунологов России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53529/2500-1175-2024-3-31-41</article-id><article-id custom-type="elpub" pub-id-type="custom">adair-154</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Фекальный уровень зонулина как прогностический маркер атопического марша у детей с пищевой аллергией</article-title><trans-title-group xml:lang="en"><trans-title>Fecal zonulin as a prognostic marker of atopic march in children with food allergy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2106-2572</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Приходченко</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Prikhodchenko</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Приходченко Нелли Григорьевна — д. м. н., доцент, профессор Института педиатрии</p><p>690002, Владивосток, проспект Острякова, 2</p></bio><bio xml:lang="en"><p>Nelli Grigorievna Prikhodchenko — Dr. Sci., Associate Professor, Professor, Institute of Pediatrics</p><p>2, Ostryakov Avenue, 690002, Vladivostok</p></bio><email xlink:type="simple">prikhodchenko_n@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/0000-0003-2668-8483</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шуматова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shumatova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шуматова Татьяна Александровна — д. м. н., профессор, директор Института педиатрии </p><p>690002, Владивосток, проспект Острякова, 2</p></bio><bio xml:lang="en"><p>Tatyana Alexandrovna Shumatova — Dr. Sci., Professor, Director of the Institute of Pediatrics</p><p>2, Ostryakov Avenue, 690002, Vladivostok</p></bio><email xlink:type="simple">shumatov@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/0000-0002-4852-6103</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваленко Дарья Вадимовна — ассистент Института педиатрии </p><p>690002, Владивосток, проспект Острякова, 2</p></bio><bio xml:lang="en"><p>Daria Vadimovna Kovalenko — assistant of Institute of Pediatrics</p><p>2, Ostryakov Avenue, 690002, Vladivostok</p></bio><email xlink:type="simple">sunny.dashu@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Тихоокеанский государственный медицинский университет» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Pacific State Medical University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>31</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Приходченко Н.Г., Шуматова Т.А., Коваленко Д.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Приходченко Н.Г., Шуматова Т.А., Коваленко Д.В.</copyright-holder><copyright-holder xml:lang="en">Prikhodchenko N.G., Shumatova T.A., Kovalenko D.V.</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://adair.elpub.ru/jour/article/view/154">https://adair.elpub.ru/jour/article/view/154</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Дебют аллергических заболеваний чаще всего происходит в раннем детском возрасте с появления пищевой аллергии, что в последующем может привести к реализации атопического марша. Повышенная проницаемость кишечника при высокой продукции зонулина, основного модератора плотных контактов кишечника, может являться важным звеном развития коморбидных аллергических заболеваний.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. С целью изучения значимости фекального зонулина как маркера прогнозирования атопического марша у детей с пищевой аллергией было проведено кросс-секционное ретроспективное исследование 73 детей в возрасте 5 лет, у которых на первом году жизни был выставлен диагноз пищевой аллергии (ПА) к белкам коровьего молока. У всех детей при постановке диагноза на первом году жизни в кале определяли содержание зонулина методом ELISA.</p></sec><sec><title>Результаты</title><p>Результаты. В результате динамического наблюдения все дети с пищевой аллергией были разделены на 2 группы: первую группу составили дети с пищевой аллергией, у которых в течение 5 лет развился аллергический ринит и (или) бронхиальная астма (I группа, n = 39), вторую группу составили 34 ребенка с пищевой аллергией, которые не реализовали атопический марш в течение 5 лет наблюдения (II группа, n = 34). Наше исследование показало статистически значимые различия в фекальном уровне зонулина на первом году жизни: I группа Me = 2,39 нг/мл (Q1-Q3: 1,78–2,65 нг/мл), II группа Me = 1,85 нг/мл (Q1-Q3: 0,49–0,91 нг/мл), р = 0,034. Выявлены сильные прямые корреляционные связи (коэффициент корреляции Спирмена S = 0,681 (p &lt; 0,05)) между уровнем зонулина в кале в дебюте заболевания и развитием аллергического ринита и (или) бронхиальной астмы до 5 лет, данные подтверждены при сравнении площадей под кривыми при проведении ROC-анализа, AUC при изучении фекального зонулина как прогностического маркера риска реализации атопического марша у детей составляет 0,887, оптимальный порог (точка отсечения) 1,94 нг/мл.</p></sec><sec><title>Выводы</title><p>Выводы. Фекальный уровень зонулина у детей с пищевой аллергией может являться эффективным прогностическим маркером развития атопического марша, его значение в кале выше 1,94 нг/мл свидетельствовало о высоком риске развития у детей с пищевой аллергией к белкам коровьего молока аллергического ринита и (или) бронхиальной астмы в течение 5 лет.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The onset of allergic diseases most often occurs in early childhood with the onset of food allergies, which can subsequently lead to the implementation of the atopic march. Increased intestinal permeability with high production of zonulin, the main moderator of intestinal tight junctions, can be an important link in the development of comorbid allergic diseases.</p></sec><sec><title>Material and methods</title><p>Material and methods. In order to study the significance of fecal zonulin as a marker for predicting the atopic march in children with food allergy, a cross-sectional retrospective study was conducted on 73 children aged 5 years who were diagnosed with food allergy (FA) to cow’s milk proteins in the first year of life. In all children, when the diagnosis was made in the first year of life, the content of zonulin in feces was determined using the ELISA method.</p></sec><sec><title>Results</title><p>Results. As a result of dynamic observation, all children with food allergy were divided into 2 groups: the first group consisted of children with food allergy who developed allergic rhinitis and/or bronchial asthma within 5 years (group I, n = 39), group 2 consisted of 34 children with food allergy who did not implement the atopic march within 5 years of observation (group II, n = 34). Our study showed statistically significant differences in the fecal zonulin level in the first year of life: group I Me = 2.39 ng/ml (Q1-Q3: 1.78–2.65 ng/ml), group II Me = 1.85 ng/ml (Q1-Q3: 0.49–0.91 ng/ml), p = 0.034. Strong direct correlations were found (Spearman correlation coefficient S = 0.681 (p &lt; 0.05)) between the zonulin level in feces at the onset of the disease and the development of allergic rhinitis and/or bronchial asthma up to 5 years of age, the data were confirmed by comparing the areas under the curves during ROC analysis, AUC in the study of fecal zonulin as a prognostic marker of the risk of atopic march in children is 0.887, the optimal threshold (cutoff point) is 1.94 ng/ml.</p></sec><sec><title>Conclusions</title><p>Conclusions. Fecal zonulin level in children with food allergy can be an effective prognostic marker of atopic march development, its values in feces above 1.94 ng/ml allow us to predict with a high degree of probability the risk of atopic march development  in children with food allergy to cow’s milk proteins within 5 years</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>фекальный уровень зонулина</kwd><kwd>атопический марш</kwd><kwd>пищевая аллергия</kwd><kwd>дети</kwd><kwd>проницаемость кишечного барьера</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fecal zonulin level</kwd><kwd>atopic march</kwd><kwd>food allergy</kwd><kwd>children</kwd><kwd>intestinal barrier permeability</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Статья опубликована при финансовой поддержке компании ООО «Нестле Россия».</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The article is published with financial support from «Nestle Rossiya LLC».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Пампура А.Н. 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