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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">10.21508/1027-4065-2024-69-4-37-44</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-2026</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>Полиморфизм генов антиоксидантной защиты как предиктор неблагоприятных неврологических исходов у недоношенных детей</article-title><trans-title-group xml:lang="en"><trans-title>Polymorphism of antioxidant defense genes as a predictor of unfavorable neurological outcomes in preterm children</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2035-5653</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савченко</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Savchenko</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Анатольевна Савченко, к. м. н., доц.</p><p>кафедра госпитальной педиатрии с курсом дополнительного последипломного образования</p><p>644099; ул. Ленина, д. 12; Омск</p></bio><bio xml:lang="en"><p>Omsk</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/0000-0002-6444-1871</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлинова</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlinova</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Борисовна Павлинова, д. м. н., проф., зав. кафедрой, проректор по учебной работе</p><p>кафедра госпитальной педиатрии с курсом дополнительного последипломного образования</p><p>644099; ул. Ленина, д. 12; Омск</p></bio><bio xml:lang="en"><p>Omsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Омский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>01</day><month>09</month><year>2024</year></pub-date><volume>69</volume><issue>4</issue><fpage>37</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2024</copyright-statement><copyright-year>2024</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/2026">https://www.ped-perinatology.ru/jour/article/view/2026</self-uri><abstract><p>   В настоящее время оксидативный стресс рассматривается как один из важнейших факторов в развитии многих патологических процессов, протекающих у новорожденного.</p><sec><title>   Цель исследования</title><p>   Цель исследования. Установить взаимосвязь полиморфизма генов, кодирующих антиоксидантные ферменты (глутамилци-стеинлигазу, манганинсупероксиддисмутазу) с неблагоприятными неврологическими исходами у недоношенных детей в различные возрастные периоды.</p></sec><sec><title>   Материалы и методы</title><p>   Материалы и методы. В проспективное когортное сплошное исследование включен 151 недоношенный ребенок с гестационным возрастом 26–32 нед и массой тела 590–1990 г. У детей брали образцы пуповинной крови для определения аллельных полиморфизмов 4 генетических маркеров: гена SOD2 rs4880 (с.47C&gt;Т, р.Ala16Val), гена SOD2 rs1141718 (с.58T&gt;C, р.Thr58Ile), гена SOD2 rs11575993 (с.60С&gt;Т, р.Leu58Phe), гена GCLC rs17883901 (с.–129 С&gt;Т). Детей по группам распределяли на основании оценки неврологических исходов в следующих контрольных точках: 1-я контрольная точка — момент выписки из стационара, 2-я контрольная точка — скорригированный возраст 1 год жизни, 3-я контрольная точка — 4 года жизни.</p></sec><sec><title>   Результаты</title><p>   Результаты. Установлено увеличение когорты детей с неблагоприятными неврологическими исходами с 36,4 % на момент выписки из стационара до 70 % к четырехлетнему возрасту. Дети, пополнившие когорту с неблагоприятными неврологическими исходами, в 1 год скорригированного возраста были носителями варианта 47C&gt;Т (rs4880) в гене митохондриальной супероксиддисмутазы (SOD2), а к 4 годам жизни — гетерозиготного варианта –129 С&gt;Т (rs17883901) гена каталитической субъединицы глутаматцистеинлигазы (GCLC) и варианта rs4880 митохондриальной супероксиддисмутазы (SOD2). У детей с благоприятным неврологическим исходом в 1 год скорригированного возраста чаще диагностирован гомозиготные варианты 47 C&gt;C (rs4880) и 60 C&gt;C (rs11575993) гена SOD2, а в возрасте 4 года жизни — гомозиготные варианты 129 С&gt;С (rs17883901) гена GCLC и 47 T&gt;T (rs4880) гена SOD2.</p></sec><sec><title>   Заключение</title><p>   Заключение. Изучение однонуклеотидных замен в генах антиоксидантных ферментов позволит установить группу риска детей, подверженных свободнорадикальному повреждению центральной нервной системы, и начать нейропротективную терапию с включением антиоксидантных методов лечения.</p></sec></abstract><trans-abstract xml:lang="en"><p>   Currently, oxidative stress is considered as one of the most important factors in the pathogenesis of many pathological processes occurring in the newborn baby.</p><sec><title>   Purpose</title><p>   Purpose. To establish the relationship of the polymorphism of genes, encoding antioxidant enzymes (glutamyl cysteine ligase, manganine superoxide dismutase) with unfavorable neurological outcomes in preterm children at various age periods.</p></sec><sec><title>   Material and methods</title><p>   Material and methods. A prospective cohort continuous study included 151 preterm children, with a gestational age of 26–32 weeks and body weight of 590–1990 grams. Cord blood was sampled in children to determine allelic polymorphisms of 4 genetic markers: the SOD2 gene rs4880 (с.47C&gt;Т, р.Ala16Val), the SOD2 gene rs1141718 (с.58T&gt;C, р.Thr58Ile), the SOD2 gene rs11575993 (с.60С&gt;Т, р.Leu58Phe), GCLC gene rs17883901 (с.–129 С&gt;Т). The division of children into groups was carried out based on the assessment of neurological outcomes at the following control points: 1 control point — at the time of discharge from hospital, 2 control point — corrected age of 1 year of life, 3 control point — 4 years of life.</p></sec><sec><title>   Results</title><p>   Results. The cohort of children with unfavorable neurological outcomes was found to increase from 36.4 % at the time of hospital discharge to 70 % by the age of 4 years. Children who joined the cohort of children with unfavorable neurological outcomes at corrected age of 1 year of life were carriers of 47 CT of the gene of the mitochondrial superoxide dismutase (SOD2) rs4880, and those, attached by 4 years of age, were carriers of heterozygous 129 CT genotype of the gene of the catalytic subunit of glutamate cysteine ligase (GCLC) rs17883901 and 47 CT mitochondrial superoxide dismutase (SOD2) rs4880. Children with a favorable neurological outcome at corrected age of 1 year of life were more often diagnosed with homozygous 47 CC genotype of SOD2 rs4880 and 60 CC SOD2 rs11575993, and at the age of 4 years of life — with homozygous 129 CC genotype of GCLC rs17883901 gene and 47 TTSOD2 rs4880.</p></sec><sec><title>   Conclusion</title><p>   Conclusion. The study of single nucleotide exchange in the antioxidant enzyme genes will establish the risk group of children exposed to free-radical injuries of CNS and begin neuroprotective therapy with the inclusion of antioxidant treatment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>недоношенный новорожденный</kwd><kwd>генетический полиморфизм генов антиоксидантной системы</kwd><kwd>неврологический исход</kwd></kwd-group><kwd-group xml:lang="en"><kwd>premature newborn</kwd><kwd>genetic polymorphism of antioxidant system genes</kwd><kwd>neurological outcome</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы данной статьи подтвердили отсутствие конфликта интересов и финансовой поддержки, о которых необходимо сообщить</funding-statement><funding-statement xml:lang="en">The authors of this article confirmed the lack of conflict of interest and financial support, which should be reported</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">Saugstad O.D. 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