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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">psychiatry</journal-id><journal-title-group><journal-title xml:lang="ru">ПСИХИАТРИЯ</journal-title><trans-title-group xml:lang="en"><trans-title>Psychiatry (Moscow) (Psikhiatriya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-8319</issn><issn pub-type="epub">2618-6667</issn><publisher><publisher-name>FSBSI “The Mental Health Research Centre”;   LLC «Publisher «MIA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30629/2618-6667-2023-21-5-77-85</article-id><article-id custom-type="elpub" pub-id-type="custom">psychiatry-1047</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>МАТЕРИАЛЫ КОНФЕРЕНЦИИ «НЕЙРОВОСПАЛЕНИЕ ПРИ ЗАБОЛЕВАНИЯХ МОЗГА: ФУНДАМЕНТАЛЬНЫЕ И ПРАКТИЧЕСКИЕ АСПЕКТЫ» МОСКВА 31.01.2023</subject></subj-group></article-categories><title-group><article-title>Фрагменты окисленной внеклеточной ДНК влияют на развитие окислительного стресса в мононуклеарах периферической крови in vitro пациентов с детским аутизмом</article-title><trans-title-group xml:lang="en"><trans-title>Fragments of Oxidized Extracellular DNA Affect the Development of Oxidative Stress in the Peripheral Blood Mononuclear Cells in vitro in Patients with Childhood Autism</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0299-426X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чудакова</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Chudakova</surname><given-names>Ju. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Михайловна Чудакова, кандидат биологических наук, научный сотрудник, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Julia M. Chudakova, Cand. of Sci. (Biol.), Researcher, Molecular Biology Laboratory, Research Centre for Medical Genetics</p><p>Moscow</p></bio><email xlink:type="simple">julia.chudakova@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/0000-0002-7775-1692</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитина</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitina</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Геннадьевна Никитина, кандидат медицинских наук, старший научный сотрудник, отдел детской психиатрии</p><p>Москва</p></bio><bio xml:lang="en"><p>Svetlana G. Nikitina, Cand. of Sci. (Med.), Senior Researcher, Department of Child Psychiatry</p><p>Moscow</p></bio><email xlink:type="simple">Nikitina.svt@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3664-6685</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пороховник</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Porokhovnik</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лев Николаевич Пороховник, кандидат биологических наук, научный сотрудник, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Lev N. Porokhovnik, Cand. of Sci. (Biol.), Researcher, Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">med-gen@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1206-5832</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ершова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ershova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елизавета Сергеевна Ершова, кандидат биологических наук, ведущий научный сотрудник, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Elizaveta S. Ershova, Cand. of Sci. (Biol.), Assistant Professor, Lead Researcher, Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">es-ershova@rambler.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4851-8987</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шмарина</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shmarina</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галина Васильевна Шмарина, кандидат медицинских наук, доцент, ведущий научный сотрудник, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Galina V. Shmarina, Cand. of Sci. (Med.), Lead Researcher, Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">sakmarariver@yahoo.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1847-0548</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вейко</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Veiko</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Николаевна Вейко, доктор биологических наук, доцент, главный научный сотрудник, лабораториямолекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Natalia N. Veiko, Dr. of Sci. (Biol.), Chief Scientific Officer, Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">ribgene@rambler.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6697-8306</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мартынов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Martynov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Владимирович Мартынов, кандидат биологических наук, старший научный сотрудник, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Andrey V. Martynov, Cand. of Sci. (Biol.), Senior Researcher, Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">avm@med-gen.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3919-7045</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Балакирева</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Balakireva</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Евгеньевна Балакирева, кандидат медицинских наук, и.о. заведующей отделом, старший научный сотрудник, отдел детской психиатрии</p><p>Москва</p></bio><bio xml:lang="en"><p>Elena E. Balakireva, Cand. of Sci. (Med.), Senior Researcher, Acting Head of the Department, Department of Child Psychiatry</p><p>Moscow</p></bio><email xlink:type="simple">balakirevalena@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6336-9900</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костюк</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostuk</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Викторовна Костюк, доктор биологических наук, доцент, заведующая лабораторией, лаборатория молекулярной биологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Svetlana V. Kostuk, Dr. of Sci. (Biol.), Head of Laboratory, the Molecular Biology Laboratory</p><p>Moscow</p></bio><email xlink:type="simple">svet-vk@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр им. академика Н.П. Бочкова»; ФГАОУ ВО «Российский университет дружбы народов им. Патриса Лумумбы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI “Research Centre for Medical Genetics”; The Patrice Lumumba Peoples’ Friendship University of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Научный центр психического здоровья»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI “Mental Health Research Centre”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр им. академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI “Research Centre for Medical Genetics”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2023</year></pub-date><volume>21</volume><issue>5</issue><fpage>77</fpage><lpage>85</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чудакова Ю.М., Никитина С.Г., Пороховник Л.Н., Ершова Е.С., Шмарина Г.В., Вейко Н.Н., Мартынов А.В., Балакирева Е.Е., Костюк С.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чудакова Ю.М., Никитина С.Г., Пороховник Л.Н., Ершова Е.С., Шмарина Г.В., Вейко Н.Н., Мартынов А.В., Балакирева Е.Е., Костюк С.В.</copyright-holder><copyright-holder xml:lang="en">Chudakova J.M., Nikitina S.G., Porokhovnik L.N., Ershova E.S., Shmarina G.V., Veiko N.N., Martynov A.V., Balakireva E.E., Kostuk S.E.</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.journalpsychiatry.com/jour/article/view/1047">https://www.journalpsychiatry.com/jour/article/view/1047</self-uri><abstract><p>Актуальность: этиология и патогенез детского аутизма (ДА) — одна из важных нерешенных проблем детской психиатрии. Ранее было показано, что концентрация внеклеточной ДНК (вкДНК) в крови значимо повышается у детей, страдающих ДА, причем в наибольшей степени у пациентов с тяжелой формой течения ДА. В этих случаях также значимо выше содержание маркера окисленной ДНК 8-OHdG (8-оксогуанозин) в образцах внеклеточной и ядерной ДНК и маркера двунитевых разрывов γH2AX (фосфорилированная форма гистонового белка Х из семейства H2A). Цель: изучить влияние фрагментов окисленной вкДНК на образование свободных радикалов, окисление и разрывы ядерной ДНК in vitro в мононуклеарах периферической крови пациентов с диагнозом ДА. Пациенты и методы: в исследование включены 13 пациентов с диагнозом F84.02 по МКБ-10 и 10 условно здоровых детей в качестве группы сравнения. Используемые методы: клинико-психопатологический, молекулярно-биологический, статистический. Результаты: окисленные модельные фрагменты ДНК воздействуют на мононуклеары периферической крови детей с ДА и условно здоровых доноров по-разному. В мононуклеарах условно здоровых доноров в ответ на воздействие фрагментов окисленной ДНК повышаются уровни активных форм кислорода (АФК) (р &lt; 0,05), окисления ДНК (р &lt; 0,05) и поврежденности хромосом (р &lt; 0,05), но в течение следующих 24 ч эти показатели возвращаются к прежнему уровню. При этом в мононуклеарах детей с ДА уровни АФК, окисления ДНК и поврежденности хромосом тоже повышаются, но последующее понижение происходит медленнее, и эти показатели не возвращаются к прежним значениям. Заключение: на основании полученных результатов можно выдвинуть гипотезу об участии фрагментов окисленной внеклеточной ДНК в патогенезе ДА.</p></abstract><trans-abstract xml:lang="en"><p>Background: the etiology and pathogenesis of childhood autism (CA) is one of the important unresolved problems of child psychiatry. It has been shown that the concentration of extracellular DNA (cfDNA) in the blood significantly increases in children with CA, and to the greatest extent in patients with severe CA. Patients with more severe CA also have significantly elevated levels of the oxidized DNA marker 8-OHdG in cfDNA and nuclear DNA samples and the double-strand break marker γH2AX. The aim was to study the effect of oxidized cfDNA fragments on the formation of free radicals, oxidation and breaks of nuclear DNA in the peripheral blood mononuclear cells in vitro in children with CA. Patients and methods: the study involved 13 patients diagnosed with F84.02 according to ICD-10 and 10 conditionally healthy children as a control group. Clinical-psychopathological, molecularbiological, statistical methods were used. Results: oxidized model DNA fragments affect the peripheral blood mononuclear cells of children with CA and conditionally healthy donors in different ways. In the mononuclear cells of conditionally healthy donors, in response to exposure to oxidized DNA fragments, the levels of ROS (reactive oxygen species) (p &lt; 0.05), DNA oxidation (p &lt; 0.05) and chromosome damage (p &lt; 0.05) increase, but within the next 24 hours these indicators return to the previous level. At the same time, in the mononuclear cells of children with CA, the levels of ROS, DNA oxidation, and chromosome damage also increase, but the subsequent decrease occurs more slowly, and the levels of these indicators do not return to their previous values. Conclusion: on the basis of the obtained results, it is possible to put forward a hypothesis about the participation of fragments of oxidized extracellular DNA in the pathogenesis of CA.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аутизм</kwd><kwd>внеклеточная ДНК</kwd><kwd>свободные радикалы</kwd><kwd>окислительный стресс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>autism</kwd><kwd>extracellular DNA</kwd><kwd>free radical</kwd><kwd>oxidative stress</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">Симашкова НВ, Коваль-Зайцев АА, Иванов МВ, Никитина СГ. 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