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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2019-18-4-34-42</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-1139</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>ЛАБОРАТОРНЫЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LABORATORY AND EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>ЦИТОПАТИЧЕСКИЕ ЭФФЕКТЫ БОР-НЕЙТРОНОЗАХВАТНОЙ ТЕРАПИИ НА УСКОРИТЕЛЬНОМ ИСТОЧНИКЕ ЭПИТЕПЛОВЫХ НЕЙТРОНОВ ДЛЯ КУЛЬТУРЫ КЛЕТОК ГЛИОБЛАСТОМЫ ЧЕЛОВЕКА</article-title><trans-title-group xml:lang="en"><trans-title>CYTOPATHIC EFFECTS OF ACCELERATOR-BASED BORON NEUTRON CAPTURE THERAPY ON HUMAN GLIOBLASTOMA CELLS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4349-7101</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бывальцев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Byvaltsev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, заведующий курсом нейрохирургии, г. Иркутск, 664022, ул. 3 июля, 8;</p><p>главный нейрохирург «ОАО РЖД»;</p><p>руководитель центра нейрохирургии, г. Иркутск, 664005, ул. Боткина, 102;</p><p>заведующий научно-клиническим отделом нейрохирургии, Иркутский научный центр хирургии и травматологии, г. Иркутск, 664003, ул. Борцов Революции, 1;</p><p>профессор кафедры травматологии, ортопедии и нейрохирургии, Иркутская государственная медицинская академия последипломного образования </p></bio><bio xml:lang="en"><p>MD, DSc, Head Neurosurgery Department, 8, 3 Iyulya Street, 664022-Irkutsk;</p><p>Head of Neurosurgery Center of Road Clinical Hospital, 10, Botkina Street, 664005-Irkutsk;</p><p>Head of Neurosurgery Department, 1, Bortsov Revolutsii Street, 664003-Irkutsk; </p><p>Professor of the Department of Traumatology, Orthopedics and Neurosurgery of Irkutsk State Medical Academy of Postgraduate Education</p></bio><email xlink:type="simple">byval75vadim@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/0000-0002-9412-3874</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Завьялов</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavjalov</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, заведующий ЦКП «SPF»-виварий, г. Новосибирск, 630090, просп. ак. Лаврентьева, 104;</p><p>старший научный сотрудник лаборатории МБП БНЗТ, г. Новосибирск, 630090, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>PhD, Head of Center for Collective Usage «SPF»- vivarium, 10, Lavrentiev Avenue, 630090-Novosibirsk;</p><p>Senior Researcher, Laboratory of Medical and Biological Problems of Boron Neutron Capture Therapy, 2, Pirogov St., 630090-Novosibirsk</p></bio><email xlink:type="simple">zavjalov@bionet.nsc.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>Каныгин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kanygin</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент, заведующий лабораторией МБП БНЗТ, </p><p>г. Новосибирск, 630090, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>PhD, Head of Laboratory of Medical and Biological Problems of Boron Neutron Capture Therapy,</p><p>2, Pirogov St., 630090-Novosibirsk</p></bio><email xlink:type="simple">kanigin@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Касатова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kasatova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры нейрохирургии, г. Иркутск, 664022, ул. 3 июля, 8;</p><p>младший научный сотрудник лаборатории МБП БНЗТ, г. Новосибирск, 630090, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>MD, Postgraduate, Neurosurgery Department, 8, 3 Iyulya Street, 664022-Irkutsk;</p><p>Junior Researcher, Laboratory of Medical and Biological Problems of Boron Neutron Capture Therapy, 2, Pirogov St., 630090-Novosibirsk</p></bio><email xlink:type="simple">yarullinaai@yahoo.com</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8763-2905</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кичигин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kichigin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры нейрохирургии, г. Иркутск, 664022, ул. 3 июля, 8</p><p>младший научный сотрудник лаборатории МБП БНЗТ, г. Новосибирск, 630090, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>Postgraduate, Neurosurgery Department, 8, 3 Iyulya Street, 664022-Irkutsk;</p><p>Junior Research Associate, Laboratory of Medical and Biological Problems of Boron Neutron Capture Therapy, 2, Pirogov St., 630090-Novosibirsk</p></bio><email xlink:type="simple">sam@211.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Разумов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Razumov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, старший научный сотрудник лаборатории молекулярных механизмов патологических процессов, г. Новосибирск, 630090, просп. ак. Лаврентьева, 104;</p><p>старший научный сотрудник лаборатории МБП БНЗТ, г. Новосибирск, 630090, ул. Пирогова, 1</p></bio><bio xml:lang="en"><p>DSc, Senior Research Associate, Laboratory of Molecular Mechanisms of Pathological Processes, 10, Lavrentiev Avenue, 630090-Novosibirsk;</p><p>Senior Research Associate, Laboratory of Medical and Biological Problems of Boron Neutron Capture Therapy, 2, Pirogov St., 630090-Novosibirsk</p></bio><email xlink:type="simple">razumov@bionet.nsc.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/0000-0002-7613-9952</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сычева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sycheva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер-исследователь лаборатории БНЗТ, </p><p>г. Новосибирск, 630090, ул. Пирогова, 1;</p><p>г. Новосибирск, 630090, просп. ак. Лаврентьева, 11</p></bio><bio xml:lang="en"><p>Experimental Engineer, Laboratory Boron Neutron Capture Therapy, Budker Institute of Nuclear Physics SB RAS,</p><p>2, Pirogov St., 630090-Novosibirsk;</p><p>10, Lavrentiev Ave., 630090-Novosibirsk</p></bio><email xlink:type="simple">sychevatatyanav@gmail.com</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5313-2563</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Таскаев</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Taskaev</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук, ведущий научный сотрудник, </p><p>г. Новосибирск, 630090, ул. Пирогова, 1;</p><p>г. Новосибирск, 630090, просп. ак. Лаврентьева, 11</p></bio><bio xml:lang="en"><p>DSc, Leading Research Associate, Laboratory Boron Neutron Capture Therapy, Budker Institute of Nuclear Physics SB RAS,</p><p>2, Pirogov St., 630090-Novosibirsk;</p><p>10, Lavrentiev Ave., 630090-Novosibirsk</p></bio><email xlink:type="simple">taskaev@inp.nsk.su</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский государственный медицинский университет;&#13;
НУЗ «Дорожная клиническая больница на ст. Иркутск-Пассажирский»;&#13;
ФГБНУ «Иркутский научный центр хирургии и травматологии»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk State Medical University;&#13;
Railway Clinical Hospital;&#13;
Center of Surgery and Traumatology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр «Институт цитологии и генетики Сибирского отделения Российской академии наук»;&#13;
Новосибирский национальный исследовательский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences;&#13;
Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Новосибирский национальный исследовательский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Иркутский государственный медицинский университет;&#13;
Новосибирский национальный исследовательский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk State Medical University;&#13;
Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Новосибирский национальный исследовательский государственный университет;&#13;
Институт ядерной физики СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University;&#13;
Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2019</year></pub-date><volume>18</volume><issue>4</issue><fpage>34</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бывальцев В.А., Завьялов Е.Л., Каныгин В.В., Касатова А.И., Кичигин А.И., Разумов И.А., Сычева Т.В., Таскаев С.Ю., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Бывальцев В.А., Завьялов Е.Л., Каныгин В.В., Касатова А.И., Кичигин А.И., Разумов И.А., Сычева Т.В., Таскаев С.Ю.</copyright-holder><copyright-holder xml:lang="en">Byvaltsev V.A., Zavjalov E.L., Kanygin V.V., Kasatova A.I., Kichigin A.I., Razumov I.A., Sycheva T.V., Taskaev S.Y.</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.siboncoj.ru/jour/article/view/1139">https://www.siboncoj.ru/jour/article/view/1139</self-uri><abstract><p>Бор-нейтронозахватная терапия (БНЗТ) – экспериментальный метод лучевой терапии, основанный на селективном повреждении клеток злокачественных опухолей за счет реакции между изотопом бор-10 и нейтроном. Клинические исследования на ядерных реакторах доказали эффективность данного вида терапии для пациентов с глиомами высокой степени злокачественности. Считается, что широкое внедрение методики в клиническую практику обеспечит компактные источники нейтронов на основе ускорителей заряженных частиц. Во всем мире ведется активная разработка новых ускорительных источников нейтронов, в том числе и в России: в Институте ядерной физики СО РАН был предложен и создан такой источник, на котором в настоящее время проводят доклинические испытания БНЗТ.</p><p>Цель исследования – определить цитопатические эффекты БНЗТ на ускорителе эпитепловых нейронов для культуры клетки глиобластомы человека U87 и выбрать концентрацию препаратов бора, не оказывающую токсического влияния на клетки до облучения in vitro.</p><sec><title>Материал и методы</title><p>Материал и методы. Клетки линии U87 инкубировали с борфенилаланином (BPA) и боркаптатом (BSH) в течение 1, 2 и 10 сут в различных концентрациях. Оценку цитопатических эффектов препаратов бора проводили с помощью МТТ-теста и клоногенного теста. Эффективность БНЗТ на клеточной линии U87 определяли на основании клоногенного теста.</p></sec><sec><title>Результаты</title><p>Результаты. МТТ-тест показал снижение выживаемости клеток при концентрации изотопа бора-10 в среде 160 мкг/мл через 48 ч и 640 мкг/мл через 24 ч инкубации для BPA. Цитопатические эффекты BSH проявляются при концентрации бора 80 мкг/мл после 48-часовой инкубации, а доля выживших клеток снижается до 89 % по сравнению с контролем. Согласно клоногенному тесту, цитотоксические эффекты препаратов BSH и BPA при концентрации бора в среде 40 мкг/мл составили 79,6 и 84 % соответственно. При облучении клеток эпитепловыми нейтронами в присутствии BPA доля выживших клеток составила 18 ± 2 %, в присутствии BSH – 13 ± 2 %. Гибель клеток без препаратов бора обусловлена упругим рассеянием нейтронов, ядерными реакциями поглощения тепловых нейтронов водородом и азотом и сопутствующим γ-излучением.</p></sec><sec><title>Заключение</title><p>Заключение. Проведенное исследование наглядно показало уменьшение доли выживших клеток линии U87 после БНЗТ на ускорительном источнике эпитепловых нейтронов в ИЯФ СО РАН в присутствии препаратов BSH и BPA, обогащенных изотопом 10В.</p></sec></abstract><trans-abstract xml:lang="en"><p>Boron neutron capture therapy (BNCT) is a targeted therapy based on a selective damage to cancer cells due to the interaction between boron-10 isotope and neutron. Reactor-based BNCT has been found to be effective in the treatment of high-grade gliomas. It is believed that compact accelerator-based neutron sources will ensure widespread adoption of the technique in clinical practice. New accelerator-based neutron sources are being actively developed all over the world. At the Institute of Nuclear Physics (Russia), the accelerator-based neutron source was developed for pre-clinical studies of BNCT.</p><sec><title>Purpose</title><p>Purpose: to determine the cytopathic effects of accelerator-based BNCT on the human U87-glioblastoma cell line and to select a concentration of boron drugs that do not have a toxic effect on the cells before irradiation in vitro.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. To assess the cytopathic effects (MTT test and colony-forming assay) of various concentrations of boron-containing drugs, U87 cells were incubated with boronophenylalanine (BPA) and sodium borocaptate (BSH) for 1, 2 and 10 days. The effect of BNCT on the U87 cell line was determined using colony-forming assay.</p></sec><sec><title>Results</title><p>Results. The MTT test showed a decrease in cell survival at a boron-10 isotope concentration of 160 μg/ml after 48 hours and 640 μg/ml after 24 hours of incubation for BPA. The cytopathic effects for sodium BSH appeared at a boron concentration of 80 µg / ml after 48 hours of incubation, and survival fraction of cells was reduced to 89 % compared to the control. According to the colonyforming assay, the cytotoxic effects of BSH and BPA at a boron concentration of 40 µg/ml in the medium were 79.6 and 84 %, respectively. The proportions of surviving cells were 18 ± 2 % and 13 ± 2 % after epithermal neutron irradiation in the presence of boronophenylalanine and in the presence of sodium borocaptate, respectively. Cell death without boron drugs occurred due to the neutron elastic scattering, nuclear reactions of thermal neutron capture by hydrogen and nitrogen, and accompanying gamma radiation.</p></sec><sec><title>Conclusion</title><p>Conclusion. The study clearly showed a decrease in the proportion of surviving U87 cells after accelerator-based BNCT in the presence of 10B-enriched BSH and BPA. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>клеточная линия глиобластомы U87</kwd><kwd>БНЗТ</kwd><kwd>ускорительный источник эпитепловых нейтронов</kwd><kwd>препараты бора</kwd><kwd>МТТ-тест</kwd><kwd>клоногенный тест</kwd><kwd>опухоли головного мозга</kwd><kwd>гибель клетки</kwd><kwd>лучевая терапия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>U87 glioblastoma cell line</kwd><kwd>BNCT</kwd><kwd>accelerator based epithermal neutron source</kwd><kwd>boron drugs</kwd><kwd>MTT test</kwd><kwd>colony formation assay</kwd><kwd>brain tumors</kwd><kwd>cell death</kwd><kwd>radiation therapy</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке гранта РФФИ (№ 18-29-01007).</funding-statement><funding-statement xml:lang="en">The study was supported by Russian Foundation for Basic Research grant (No. 18-29-01007).</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">Sauerwein W., Wittig A., Moss R., Nakagawa Y. 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