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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Pediatric Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Детская хирургия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9510</issn><issn publication-format="electronic">2412-0677</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">670</article-id><article-id pub-id-type="doi">10.17816/ps670</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Platelet monoamine oxidase and erythrocyte adenosine triphosphatase as biomarkers of necrotizing enterocolitis</article-title><trans-title-group xml:lang="ru"><trans-title>Моноаминоксидаза тромбоцитов и аденозинтрифосфатазы эритроцитов как биомаркеры некротизирующего энтероколита</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3745-3690</contrib-id><contrib-id contrib-id-type="spin">6298-8131</contrib-id><name-alternatives><name xml:lang="en"><surname>Vinel</surname><given-names>Polina K.</given-names></name><name xml:lang="ru"><surname>Винель</surname><given-names>Полина Константиновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>vinelpolina@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6695-7388</contrib-id><contrib-id contrib-id-type="spin">7966-9068</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsareva</surname><given-names>Valentina V.</given-names></name><name xml:lang="ru"><surname>Царёва</surname><given-names>Валентина Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>semenovatsareva@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-2627-0459</contrib-id><name-alternatives><name xml:lang="en"><surname>Baboshko</surname><given-names>Pavel G.</given-names></name><name xml:lang="ru"><surname>Бабошко</surname><given-names>Павел Григорьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>904306008@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5687-3976</contrib-id><contrib-id contrib-id-type="spin">3681-1816</contrib-id><name-alternatives><name xml:lang="en"><surname>Sinitskii</surname><given-names>Anton I.</given-names></name><name xml:lang="ru"><surname>Синицкий</surname><given-names>Антон Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, доцент</p></bio><email>Sinitskiyai@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-5400-3043</contrib-id><name-alternatives><name xml:lang="en"><surname>Kozhevnikov</surname><given-names>Artem S.</given-names></name><name xml:lang="ru"><surname>Кожевников</surname><given-names>Артём Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>vk_523@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-9327-7779</contrib-id><name-alternatives><name xml:lang="en"><surname>Grunin</surname><given-names>Alexandr V.</given-names></name><name xml:lang="ru"><surname>Грунин</surname><given-names>Александр Васильевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>sasha_grunin@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">South-Ural State Medical University</institution></aff><aff><institution xml:lang="ru">Южно-Уральский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Chelyabinsk Regional Pediatric Hospital</institution></aff><aff><institution xml:lang="ru">Челябинская областная детская клиническая больница</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-04-17" publication-format="electronic"><day>17</day><month>04</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-05-30" publication-format="electronic"><day>30</day><month>05</month><year>2024</year></pub-date><volume>28</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>124</fpage><lpage>132</lpage><history><date date-type="received" iso-8601-date="2023-05-13"><day>13</day><month>05</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-03-29"><day>29</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Vinel P.K., Tsareva V.V., Baboshko P.G., Sinitskii A.I., Kozhevnikov A.S., Grunin A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Винель П.К., Царёва В.В., Бабошко П.Г., Синицкий А.И., Кожевников А.С., Грунин А.В.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Vinel P.K., Tsareva V.V., Baboshko P.G., Sinitskii A.I., Kozhevnikov A.S., Grunin A.V.</copyright-holder><copyright-holder xml:lang="ru">Винель П.К., Царёва В.В., Бабошко П.Г., Синицкий А.И., Кожевников А.С., Грунин А.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-05-30"/></permissions><self-uri xlink:href="https://jps-nmp.ru/jour/article/view/670">https://jps-nmp.ru/jour/article/view/670</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND</bold>: The diagnostics of necrotizing enterocolitis is a complex and often ineffective issue. Biomarkers reflecting key links in the pathogenesis of the disease may serve as early predictors of development, progression, and severe course of necrotizing enterocolitis.</p> <p><bold>AIM</bold><bold>:</bold> To assess potentials of platelet monoamine oxidase activity and erythrocyte ATPase to predict the development of necrotizing enterocolitis in premature newborns.</p> <p><bold>METHODS</bold><bold>:</bold> The present study had two stages and included 28 children who were treated at the Chelyabinsk Regional Children’s Clinical Hospital from November 2021 to December 2022. At the first stage, premature newborns were examined; among them a group of newborns with necrotizing enterocolitis IIB–IIIA-B was identified. Venous blood was used for testings. At the second stage, specimens obtained from the intestine during surgical interventions in newborns with surgical pathology were examined additionally as well.</p> <p><bold>RESULTS</bold><bold>:</bold> Children with necrotizing enterocolitis showed a significant decrease in the specific activity of platelet monoamine oxidase which correlated with the activity of monoamine oxidase in gut specimens. The following changes were registered: decrease in the activity of magnesium adenosine triphosphatasein erythrocytes by 50–100% of the maximum enzyme activity in the control group; decrease of sodium-potassium adenosine triphosphatase activity y 4 times from the maximum values in the control group. There was also a significant increase in the activity of calcium adenosine triphosphatase activity in erythrocytes.</p> <p><bold>CONCLUSION</bold><bold>:</bold> The obtained data allow to suggest that platelet monoamine oxidase in preterm newborns may potentially serve as an indicator of tissue and organ immaturity, rather than a marker of inflammation and oxidative damage. Changes in erythrocyte adenosine triphosphatase activity in preterm infants with surgical stages of necrotizing enterocolitis indicate a hypoxic hypoenergetic state, accompanied by high concentrations of intracellular calcium.</p> <p>The obtained data are promising for developing new methods for diagnosis/prognosis of necrotizing enterocolitis in newborns.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование</bold><bold>.</bold> Диагностика некротизирующего энтероколита сложна и часто малоэффективна. Ранними предикторами развития, прогрессирования и тяжёлого течения заболевания могут являться биомаркеры, отражающие ключевые звенья этиопатогенеза.</p> <p><bold>Цель.</bold> Оценка потенциальной возможности определения активности тромбоцитарной моноаминоксидазы и аденозинтрифосфатаз эритроцитов для прогнозирования развития некротизирующего энтероколита у недоношенных новорождённых.</p> <p><bold>Методы.</bold> Исследование проведено в два этапа и включало 28 детей, находившихся на лечении в ГАУЗ «Челябинская областная детская клиническая больница» в период с ноября 2021 г. по декабрь 2022 г. На первом этапе обследовали недоношенных новорождённых, среди которых набрана группа детей с некротизирующим энтероколитом IIБ–IIIА-Б стадии. Для исследования использовали венозную кровь. Второй этап включал дополнительное исследование препаратов кишки, полученных при проведении оперативного вмешательства у новорождённых с хирургической патологией.</p> <p><bold>Результаты.</bold> У детей с некротизирующим энтероколитом наблюдали достоверно значимое снижение специфической активности моноаминоксидазы тромбоцитов, коррелирующее с активностью моноаминоксидазы в препаратах кишки. Установили снижение активности магниевой аденозинтрифосфатазы эритроцитов на 50–100% от максимальной активности фермента в контрольной группе, снижение активности натрий-калиевой аденозинтрифосфатазы эритроцитов в 4 раза от максимальных значений группы контроля, значительное повышение активности кальциевой аденозинтрифосфатазы эритроцитов.</p> <p><bold>Заключение.</bold> Полученные данные позволяют предположить, что моноаминоксидаза тромбоцитов у недоношенных новорождённых потенциально может является индикатором незрелости тканей и органов, а не маркером воспаления и окислительного повреждения. Изменения активности аденозинтрифосфатаз эритроцитов у недоношенных с хирургическими стадиями некротизирующего энтероколита свидетельствуют о гипоксическом гипоэнергетическом состоянии, сопровождающимся высокими концентрациями внутриклеточного кальция. Результаты исследования перспективны с точки зрения разработки новых методов диагностики/прогноза некротизирующего энтероколита новорождённых.</p></trans-abstract><kwd-group xml:lang="en"><kwd>necrotizing enterocolitis</kwd><kwd>monoamine oxidase</kwd><kwd>ATPases</kwd><kwd>biomarkers</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>некротизирующий энтероколит</kwd><kwd>моноаминоксидаза</kwd><kwd>АТФ-азы</kwd><kwd>биомаркеры</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд (грант)</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation (grant)</institution></institution-wrap></funding-source><award-id>23-25-10079</award-id></award-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 23-25-10079, https://rscf.ru/en/project/23-25-10079/</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Tan X, Zhou Y, Xu L, et al. 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