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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2022.12.23-25</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2209</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>КРАТКОЕ СООБЩЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF REPORT</subject></subj-group></article-categories><title-group><article-title>Клеточный стресс блокирует транскрипцию сателлита III на первой хромосоме и снижает содержание сателлита III в ДНК культивируемых фибробластов кожи больных шизофренией</article-title><trans-title-group xml:lang="en"><trans-title>Cellular stress blocks the transcription of satellite III on the first chromosome and reduces the content of satellite III in the DNA of cultured skin fibroblasts in patients with schizophrenia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Салимова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Salimova</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">mgnc119@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><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><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><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><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Захарова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaharova</surname><given-names>N. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><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>Kostyuk</surname><given-names>S. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ города Москвы «Психиатрическая клиническая больница № 1 им. Н.А. Алексеева Департамента здравоохранения города Москвы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.A. Alexeev Clinical Psychiatric Hospital No. 1</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>13</day><month>01</month><year>2023</year></pub-date><volume>21</volume><issue>12</issue><fpage>23</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Салимова Н.А., Вейко Н.Н., Ершова Е.С., Захарова Н.В., Костюк С.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Салимова Н.А., Вейко Н.Н., Ершова Е.С., Захарова Н.В., Костюк С.В.</copyright-holder><copyright-holder xml:lang="en">Salimova N.A., Veiko N.N., Ershova E.S., Zaharova N.V., Kostyuk S.V.</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.medgen-journal.ru/jour/article/view/2209">https://www.medgen-journal.ru/jour/article/view/2209</self-uri><abstract><p>Ранее обнаружено, что в лейкоцитах крови больных шизофренией по сравнению с контролем значительно снижено содержание тандемного повтора - субфракции сателлита III (SatIII), который входит в состав прицентромерного гетерохроматина первой хромосомы (район 1q12). Одной из причин низкого содержания повтора в ДНК больных может являться низкий уровень транскрипции SatIII в условиях стресса. В работе показано, что клеточный стресс в культивируемых фибробластах кожи больных шизофренией и здоровых людей, вызванный повышением температуры культивирования, значительно блокирует транскрипцию SatIII (1q12) и увеличивает в десятки раз уровень транскрипции SatIII на хромосоме 9. В клетках больных шизофренией снижение содержания SatIII(1q12) в ДНК положительно коррелирует со снижением количества РНК SatIII. В контрольных клетках содержание SatIII(1q12) в ДНК при стрессе не изменялось. Блокировка транскрипции SatIII в условиях стресса потенциально может быть одной из причин снижения содержания повтора SatIII(1q12) в ДНК больных шизофренией.</p></abstract><trans-abstract xml:lang="en"><p>It was previously found that in the blood leukocytes of patients with schizophrenia, compared to the control, the content of the tandem repeat - the subfraction of satellite III (SatIII), which is part of the pericentromeric heterochromatin of the first chromosome (region 1q12) - is significantly reduced. One of the reasons behind the low repeat level in the DNA of patients may be the low level of SatIII transcription under stress conditions. The study shows that cellular stress in cultured skin fibroblasts of patients with schizophrenia and healthy people, caused by an increase in cultivation temperature, significantly blocks the transcription of SatIII (1q12) and increases the transcription level of SatIII on the 9th chromosome tenfold. For cells of patients with schizophrenia, a decrease in the content of SatIII(1q12) in DNA positively correlates with a decrease in the amount of SatIII RNA. In control cells, the content of SatIII in DNA did not change under stress. Blocking of SatIII transcription under stress conditions can potentially be one of the reasons for the decrease in the content of the SatIII repeat in the DNA of patients with schizophrenia.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>шизофрения</kwd><kwd>сателлит III</kwd><kwd>8-oxodG</kwd><kwd>γH2AX</kwd></kwd-group><kwd-group xml:lang="en"><kwd>schizophrenia</kwd><kwd>satellite III</kwd><kwd>8-oxodG</kwd><kwd>γH2AX</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">Imamura A., Morimoto Y., Ono S., Kurotaki N., Kanegae S., Yamamoto N., Kinoshita H., Tsujita T., Okazaki Y., Ozawa H. 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