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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Infection and Immunity</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Infection and Immunity</journal-title><trans-title-group xml:lang="ru"><trans-title>Инфекция и иммунитет</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2220-7619</issn><issn publication-format="electronic">2313-7398</issn><publisher><publisher-name xml:lang="en">SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">692</article-id><article-id pub-id-type="doi">10.15789/2220-7619-2019-3-4-</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Monitoring of cytogenetic instability by micronuclei assay of both immunocompetent and non-immunocompetent cells in tick-borne encephalitis patients depending on variants of glutathione-S-transferase genes in the genotype</article-title><trans-title-group xml:lang="ru"><trans-title>Мониторинг цитогенетической нестабильности методом микроядерного анализа иммунокомпетентных и не иммунокомпетентных клеток у больных клещевым энцефалитом в зависимости от наличия в генотипе вариантов генов глутатион-S-трансферазы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1014-1096</contrib-id><name-alternatives><name xml:lang="en"><surname>Ilyinskikh</surname><given-names>Nikolay Nikolaevich</given-names></name><name xml:lang="ru"><surname>Ильинских</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Doctor of Biological Sciences, Professor, Professor of Department of Biology and Genetics, Siberian State Medical University, Professor of Department of Ecology, Nature Management and Environmental Engineering, National Research Tomsk State University</p></bio><bio xml:lang="ru"><p>д.б.н., профессор, профессор кафедры биологии и генетики;</p><p>профессор кафедры экологии, природопользования и экологической инженерии,</p><p>634050, г. Томск-50, а/я 808</p></bio><email>nauka-tomsk@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7646-6905</contrib-id><name-alternatives><name xml:lang="en"><surname>Ilyinskikh</surname><given-names>Ekaterina Nikolaevna</given-names></name><name xml:lang="ru"><surname>Ильинских</surname><given-names>Е. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD, Associate Professor, Professor of Department of Infectious Diseases and Epidemiology, Siberian State Medical University, Professor of Department of Ecology, Nature Management and Environmental Engineering, National Research Tomsk State University</p></bio><bio xml:lang="ru"><p> </p><p> </p></bio><email>infconf2009@mail.ru</email><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7579-8975</contrib-id><name-alternatives><name xml:lang="en"><surname>Zamyatina</surname><given-names>Evgenia Vladimirovna</given-names></name><name xml:lang="ru"><surname>Замятина</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Assistant of Department of Infectious Diseases and Epidemiology, Siberian State Medical University</p></bio><email>e_zamyt@mail.ru</email><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lee</surname><given-names>Svetoslava Vyacheslavovna</given-names></name><name xml:lang="ru"><surname>Ли</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5th year student of the Pediatric faculty, Siberian State Medical University</p></bio><email>infconf2009@mail.ru</email><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Siberian State Medical University, National Research Tomsk State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО Сибирский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="ru">ФГАОУ ВО Национальный исследовательский Томский государственный университет</institution></aff><aff><institution xml:lang="en">Siberian State Medical University, National Research Tomsk State University</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="ru">ФГБОУ ВО Сибирский государственный медицинский университет</institution></aff><aff><institution xml:lang="en">Siberian State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="ru">ФГАОУ ВО Национальный исследовательский Томский государственный университет</institution></aff><aff><institution xml:lang="en">Siberian State Medical University</institution></aff></aff-alternatives><aff id="aff5"><institution>ФГБОУ ВО Сибирский государственный медицинский университет</institution></aff><pub-date date-type="pub" iso-8601-date="2019-11-15" publication-format="electronic"><day>15</day><month>11</month><year>2019</year></pub-date><volume>9</volume><issue>3-4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>600</fpage><lpage>606</lpage><history><date date-type="received" iso-8601-date="2018-05-27"><day>27</day><month>05</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2019-06-19"><day>19</day><month>06</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Ilyinskikh N.N., Ilyinskikh E.N., Zamyatina E.V., Lee S.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Ильинских Н.Н., Ильинских Е.Н., Замятина Е.В., Ли С.В.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Ilyinskikh N.N., Ilyinskikh E.N., Zamyatina E.V., Lee S.V.</copyright-holder><copyright-holder xml:lang="ru">Ильинских Н.Н., Ильинских Е.Н., Замятина Е.В., Ли С.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://iimmun.ru/iimm/article/view/692">https://iimmun.ru/iimm/article/view/692</self-uri><abstract xml:lang="en"><p>Aim of this study was to study the dynamics of the frequency of cytokinesis-blocked T-lymphocytes with micronuclei in peripheral blood and the frequency of buccal micronucleated epithelium cells for a period of half a year in patients with acute tick-borne encephalitis, depending on burden of active and inactive variants of glutathione-S-transferase genes (<italic>GSTM1</italic> and <italic>GSTT1</italic>) in the patient's genotype. We carried out micronucleus assay in immunocompetent and non-immunocompetent cells in 54 patients with acute tick-borne encephalitis and 35 healthy persons (control) residing in the Tomsk and Tyumen regions. To analyze the frequency of cytokinesis-blocked micronucleated T-lymphocytes was used venous peripheral blood as material for phytohemagglutinin-stimulated cultures, and to study the frequency of buccal micronucleated cells, samples of the buccal mucous membrane epithelial cells were obtained. To carried out both techniques of micronucleus assay, cytological preparations were prepared, which were stained using the Giemsa or Felgen methods. The material for the study was obtained repeatedly during admission of patients to treatment, and also after 1 week, 1, 3 and 6 months.  Polymerase chain reaction was used to analyze the alleles of the <italic>GSTM1</italic> and <italic>GSTT1</italic> genes. As a result of this analysis was found a significant increase in the frequency of micronucleated cells in tick-borne encephalitis patients compared with the control group. In addition, the frequency of cytokinesis-blocked micronucleated T-lymphocytes was increased significantly higher than the one of micronucleated buccal cells. The most significant and prolonged increase in the frequency of micronucleated cells was associated with the mutant inactive variants of the genes <italic>GSTM1</italic> (0/0) and <italic>GSTT1</italic> (0/0). In the patients with burden the inactive forms of these genes, the cytogenetic instability of the cytokinesis-blocked blood T-lymphocytes could persist for up to six months. In case of buccal cells, the frequency of micronucleated cells was close to the one in the control group as early as 1-3 months after a course of treatment. Conclusion. It was found that the most increased and prolonged frequency of cytogenetically instable cells persisted in cytokinesis-blocked T-lymphocytes of peripheral blood of patients with tick-borne encephalitis who were carriers of the genotype with inactive variants of  both <italic>GSTM1</italic> (0/0) and <italic>GSTT</italic>1 (0/0 ) glutathione-S-transferase genes.</p></abstract><trans-abstract xml:lang="ru"><p>Цель работы состояла в оценке динамики частоты встречаемости цитокинез-блокированных Т-лимфоцитов с микроядрами в периферической крови и частоты клеток буккального эпителия с микроядрами в течение полугода у больных острых клещевым энцефалитом, в зависимости от носительства функционирующих и нефункционирующих вариантов генов глутатион-S-трансферазы (<italic>GSTM1</italic> или <italic>GSTT1</italic>) в генотипе больного. С использованием микроядерного анализа в иммунокомпетентных и не иммунокомпетентных клетках было проведено обследование 54 больных острым клещевым энцефалитом и 35 здоровых лиц (контроль), проживающих в Томской и Тюменской областях. В случае анализа частоты бинуклеарных цитокинез-блокированных Т-лимфоцитов с микроядрами материалом для получения фитогемагглютинин-стимулированных культур послужила венозная периферическая кровь, а с целью изучения числа буккальных клеток с микроядрами в качестве материала использовали соскобы эпителиальных клеток слизистой оболочки щек. Для обоих методик микроядерного теста получали цитологические препараты, которые окрашивали по методам Гимзе или Фельгена. Исследование проводили в динамике при госпитализации, а также через 1 неделю, 1, 3 и 6  месяцев. Для анализа вариантов генов <italic>GSTM1</italic> и <italic>GSTT1</italic> использовали полимеразную цепную реакцию. Результаты анализа показали существенные повышение частоты клеток с микроядрами у больных клещевым энцефалитом по сравнению с контролем, при этом уровни частоты встречаемости цитокинез-блокированных Т-лимфоцитов с микроядрами были существенно выше, по сравнению с клетками буккального эпителия с микроядрами. Наиболее значительное и длительное повышение частоты клеток с микроядрами было связано с мутантными нефункционирующими вариантами генов <italic>GSTM1</italic>(0/0) и <italic>GSTT1</italic>(0/0).  При наличии у больного неактивных форм этих генов цитогенетическая нестабильность в цитокинез-блокированных Т-лимфоцитах крови  могла сохраняться на протяжении до полугода. В буккальном эпителии нормализация частоты клеток с микроядрами была установлена уже через 1-3 месяца после лечения. Вывод.<bold> </bold>Установлено, что наиболее выраженное и длительное сохранение повышенной частоты клеток с цитогенетическими нарушениями наблюдалось в цитокинез-блокированных Т-лимфоцитах периферический крови<bold> </bold> больных клещевым энцефалитом, являющихся носителями генотипа с неактивными аллелями двух генов глутатион-S-трансферазы<italic> GSTM1</italic>(0/0<italic>)</italic> и<italic> GSTT1</italic>(0/0).</p></trans-abstract><kwd-group xml:lang="en"><kwd>tick-borne encephalitis, micronucleus analysis, buccal cells, cytokinesis-block lymphocytes, GSTM1, GSTT1</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>клещевой энцефалит, микроядерный анализ, буккальный эпителий, цитокинез-блокированные лимфоциты, GSTM1, GSTT1</kwd></kwd-group><funding-group><funding-statement xml:lang="en">RFFI #16-40-700149</funding-statement><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке гранта РФФИ (№ 16-40-700149).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1.	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