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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">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2026-71-2-57-65</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-2380</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>Особенности состава кишечной микробиоты и ее метаболитов у детей с расстройствами аутистического спектра</article-title><trans-title-group xml:lang="en"><trans-title>Features of the gut microbiota composition and its metabolites in children with autism spectrum disorders</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-2749-4001</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смолко</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Smolko</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смолко Наталия Андреевна — аспирант кафедры пропедевтики детских болезней и факультетской педиатрии; научный сотрудник научно-исследовательской лаборатории OpenLab «Генные и клеточные технологии» Института фундаментальной медицины и биологии </p><p>420012, г. Казань, ул. Бутлерова, д. 49 </p><p>420008, г. Казань, ул. Парижской Коммуны, д. 9 </p></bio><bio xml:lang="en"><p>420012, Kazan </p><p>420008, Kazan </p></bio><email xlink:type="simple">sna997@yandex.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/0000-0002-7209-5737</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Файзуллина</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fayzullina</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Файзуллина Резеда Абдулахатовна — д.м.н., профессор, заведующая кафедрой пропедевтики детских болезней и факультетской педиатрии</p><p>420012, г. Казань, ул. Бутлерова, д. 49 </p><p>420008, г. Казань, ул. Парижской Коммуны, д. 9 </p></bio><bio xml:lang="en"><p>420012, Kazan </p><p>420008, Kazan </p></bio><email xlink:type="simple">rezeda.faizullina@kazangmu.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/0000-0002-9435-340X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухамедшина</surname><given-names>Я. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhamedshina</surname><given-names>Ya. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мухамедшина Яна Олеговна — д.м.н., доцент кафедры гистологии, цитологии и эмбриологии; ведущий научный сотрудник научно-исследовательской лаборатории «Нейрокогнитивные исследования»</p><p>420012, г. Казань, ул. Бутлерова, д. 49 </p><p>420008, г. Казань, ул. Парижской Коммуны, д. 9 </p></bio><bio xml:lang="en"><p>420012, Kazan </p><p>420008, Kazan </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5531-3157</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сынбулатова</surname><given-names>Г. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Synbulatova</surname><given-names>G. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сынбулатова Гульназ Эмилевна — мл.н.с. научно-исследовательской лаборатории OpenLab «Генные и клеточные технологии» Института фундаментальной медицины и биологии </p><p>420008, г. Казань, ул. Парижской Коммуны, д. 9 </p></bio><bio xml:lang="en"><p>420008, Kazan </p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7445-2091</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маркелова</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Markelova</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маркелова Мария Ивановна — к.б.н., ст.н.с. научно-исследовательской лаборатории «Мультиомиксные технологии живых систем» </p><p>420008, г. Казань, ул. Парижской Коммуны, д. 9 </p></bio><bio xml:lang="en"><p>420008, Kazan </p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский государственный медицинский университет» Министерства здравоохранения Российской Федерации ; ФГАОУ ВО «Казанский (Приволжский) федеральный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University ; Kazan (Volga Region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Казанский (Приволжский) федеральный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan (Volga Region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>25</day><month>04</month><year>2026</year></pub-date><volume>71</volume><issue>2</issue><fpage>57</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/2380">https://www.ped-perinatology.ru/jour/article/view/2380</self-uri><abstract><p>В последние годы растет распространенность расстройств аутистического спектра среди населения. У данной группы пациентов также отмечается высокая частота сопутствующих соматических заболеваний. Воздействуя на ключевой патогенетический механизм — ось «микробиота–кишечник–мозг», эти коморбидные состояния могут оказывать влияние на тяжесть основных симптомов заболевания, что требует разработки новых методов коррекции соматических патологий.</p><sec><title>Цель исследования</title><p>Цель исследования: изучить состояние кишечной микробиоты и ее метаболитов у детей с расстройствами аутистического спектра для оптимизации подходов по коррекции основных симптомов заболевания.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследовании участвовали 95 детей с расстройствами аутистического спектра (2–8 лет) и 26 детей группы контроль (3–8 лет). У пациентов с расстройствами аутистического спектра производился забор образцов кала до начала вмешательства (РАС1) и через 6 месяцев после коррекции рациона питания и курса пробиотиков (РАС2), у группы контроль – однократно. Выполнялись бактериологический анализ, определение уровней короткоцепочечных жирных кислот и фекального кальпротектина. Дополнительно оценивались желудочно-кишечные симптомы и показатели нервно-психического развития.</p></sec><sec><title>Результаты</title><p>Результаты: бактериологическое исследование кала выявило достоверные различия в группах РАС1 и РАС2 только по уровню Escherichia coli (лактозопозитивные) (p=0,021). Оценка уровней кишечных метаболитов выявила больше достоверных различий, в особенности необходимо отметить достоверное повышение изокапроновой кислоты (iC6) (p=0,008) в группе РАС1 по сравнению с Контролем, и ее достоверное снижение на фоне проведенной коррекции, что также напрямую коррелировало с показателями нервно-психического развития в группах РАС1 и РАС2 (p=0,001).</p></sec><sec><title>Заключение</title><p>Заключение. Воздействие на микробиоту кишечника посредством коррекции питания и применения пробиотиков продемонстрировало позитивную динамику в уровнях кишечных метаболитов, а также в параметрах нервно-психического развития. Индивидуальный диетический и микробиологический подход создает основу для разработки комплексных методов помощи детям с расстройствами аутистического спектра.</p></sec></abstract><trans-abstract xml:lang="en"><p>In recent years, the prevalence of autism spectrum disorders has increased among the population. This group of patients also has a high frequency of associated somatic diseases. By affecting a key pathogenetic mechanism—the “microbiota-gut-brain” axis—these conditions can influence the severity of the main symptoms of the disease, which requires the development of new methods for correcting somatic pathologies.</p><sec><title>The aim of the study</title><p>The aim of the study: to research the state of the intestinal microbiota and its metabolites in children with autism spectrum disorders to optimize approaches to correcting the main symptoms of the disease.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study involved 95 children with autism spectrum disorders (2–8 years old) and 26 children in the Control group (3–8 years old). Fecal samples were collected from patients with autism spectrum disorders before the intervention (ASD1) and 6 months after dietary correction and a course of probiotics (ASD2); from the Control group, a single sample was collected. Bacteriological analysis, determination of short-chain fatty acid and fecal calprotectin levels were performed. Gastrointestinal symptoms and neuropsychological development indicators were additionally assessed.</p></sec><sec><title>Results</title><p>Results: Bacteriological examination of feces revealed significant differences in the ASD1 and ASD2 groups only in the level of Escherichia coli (lactose-positive) (p=0.021). Evaluation of intestinal metabolite levels revealed more significant differences, in particular, a significant increase in isocaproic acid (iC6) (p=0.008) in the ASD1 group compared to the Control, and its significant decrease against the background of the correction, which also directly correlated with the neuropsychic development indicators in the ASD1 and ASD2 groups (p=0.001).</p></sec><sec><title>Conclusion</title><p>Conclusion. Influencing the gut microbiota through dietary modification and probiotic use has demonstrated positive dynamics in intestinal metabolite levels, as well as parameters of neuropsychological development. A personalized dietary and microbiological approach provides the basis for developing comprehensive treatment options for children with autism spectrum disorders.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>расстройство аутистического спектра</kwd><kwd>кишечная микробиота</kwd><kwd>короткоцепочечные жирные кислоты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>autism spectrum disorders</kwd><kwd>gut microbiota</kwd><kwd>short-chain fatty acids</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена за счет средств субсидии, выделенной Казанскому федеральному университету для выполнения государственного задания в сфере научной деятельности. Проект № FZSM-2023–0011.</funding-statement><funding-statement xml:lang="en">This work was supported by a subsidy allocated to Kazan Federal University for the state assignment in the field of scientific activity, Project № FZSM-2023–0011.</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">Hodges H., Fealko C., Soares N. Autism spectrum disorder: definition, epidemiology, causes, and clinical evaluation. Transl Pediatr. 2020;9(Suppl 1): S55-S65. DOI: 10.21037/tp.2019.11.04</mixed-citation><mixed-citation xml:lang="en">Hodges H., Fealko C., Soares N. Autism spectrum disorder: definition, epidemiology, causes, and clinical evaluation. Transl Pediatr. 2020;9(Suppl 1): S55-S65. 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