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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 Biotherapy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Biotherapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский биотерапевтический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9784</issn><issn publication-format="electronic">1726-9792</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1115</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2018-17-1-64-69</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Relationship between deletion and point mutations of p53 and drug resistance to aranoza in human melanoma cell lines</article-title><trans-title-group xml:lang="ru"><trans-title>Связь делеций и точечных мутаций гена р53 с резистентностью клеточных линий метастатической меланомы кожи человека к аранозе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ponomarev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Пономарев</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p><p>Александр Васильевич Пономарев</p></bio><email>kl8546@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Solodovnik</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Солодовник</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mkrtchyan</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Мкртчян</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>104 Profsoyuznaya St., Moscow 117485</p></bio><bio xml:lang="ru"><p>117485 Москва, ул. Профсоюзная, 104</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Finashutina</surname><given-names>Yu. P.</given-names></name><name xml:lang="ru"><surname>Финашутина</surname><given-names>Ю. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Turba</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Турба</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>104 Profsoyuznaya St., Moscow 117485</p></bio><bio xml:lang="ru"><p>117485 Москва, ул. Профсоюзная, 104</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurin</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Мисюрин</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p><p>104 Profsoyuznaya St., Moscow 117485</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p><p>117485 Москва, ул. Профсоюзная, 104</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Мисюрин</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baryshnikova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Барышникова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «НМИЦ онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">“GenoTechnology” LLC</institution></aff><aff><institution xml:lang="ru">ООО «ГеноТехнология»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-02-27" publication-format="electronic"><day>27</day><month>02</month><year>2018</year></pub-date><volume>17</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>64</fpage><lpage>69</lpage><history><date date-type="received" iso-8601-date="2018-11-27"><day>27</day><month>11</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2018-11-27"><day>27</day><month>11</month><year>2018</year></date></history><permissions><copyright-year>2018</copyright-year><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://bioterapevt.abvpress.ru/jour/article/view/1115">https://bioterapevt.abvpress.ru/jour/article/view/1115</self-uri><abstract xml:lang="en"><p>Aranosa, nitrozourea derivative is a DNA-methylating agent that has been approved for treatment of patients with disseminated melanoma. Aranoza effect is based on DNA damage and then as a result apoptosis mechanisms start launching. The important role in this process must be played by p53 protein, and its different dysfunctions can result in drug resistance. Objective. The purpose is to study p53 mutational status in cell lines of human skin metastatic melanoma and to estimate its connection with сell lines resistance to aranoza. Materials and methods. The research was conducted on 14 cell lines of human skin metastatic melanoma. Aranoza IC50 for cell lines was determined by MTT-test. The 17р chromosome’s condition was estimated by fluorescence in situ hybridization. The presence of point mutations in DNA-binding domain of human p53 was researched by Sanger sequencing. Results. Skin metastatic melanoma cell lines had different sensitivity to aranoza. Almost all cell lines were heterogeneous in the condition of 17 th chromosome. P53 point mutations were found in 2 cell lines. But one part of resistant cell lines almost didn’t have any mutational disorders of p53, another part of resistant lines on the contrary had plenty of p53 mutational disorders. Conclusion. The correlation of resistance and p53 mutations can be established for one part of human skin metastatic melanoma cell lines. But for another part of human skin metastatic melanoma cell lines resistance most likely are driven by other mechanisms.</p></abstract><trans-abstract xml:lang="ru"><p>Одним из химиопрепаратов, применяемых для лечения меланомы, является араноза, препарат из класса производных нитрозомочевины – метилирующий ДНК агент. Действие аранозы связано с повреждением ДНК, после которого включаются механизмы апоптоза. Важную роль в этом процессе должен осуществлять белок р53, а различные нарушения данного белка могут приводить к лекарственной устойчивости. Цель исследования – изучить мутационный статус белка р53 в клеточных линиях метастатической меланомы кожи человека и оценить его связь с резистентностью клеточных линий к аранозе. Материалы и методы. Исследование проводили на 14 клеточных линиях метастатической меланомы кожи человека. Методом МТТ-теста была определена ИК50 аранозы для клеточных линий. С помощью флуоресцентной гибридизации in situ оценили состояние короткого плеча хромосомы 17, на котором находится ген р53. С помощью секвенирования по Сэнгеру изучили наличие точечных мутаций в ДНК-связывающем домене гена р53. Результаты. Клеточные линии метастатической меланомы кожи имели разную чувствительность к аранозе. Практически все клеточные линии были неоднородны по состоянию хромосомы 17. В 2 линиях были обнаружены точечные мутации в гене р53. При этом часть устойчивых клеточных линий почти не имели мутационных нарушений р53, а другая часть устойчивых линий, наоборот, несла множество нарушений гена р53. Выводы. Для части клеточных линий метастатической меланомы кожи можно установить корреляцию резистентности с мутациями гена р53. Однако для других клеточных линий метастатической меланомы кожи резистентность, скорее всего, обусловлена и иными механизмами.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aranoza</kwd><kwd>melanoma</kwd><kwd>p53</kwd><kwd>mutations</kwd><kwd>fluorescence in situ hybridization</kwd><kwd>sequencing</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>араноза</kwd><kwd>меланома</kwd><kwd>р53</kwd><kwd>мутации</kwd><kwd>флуоресцентная гибридизация in situ</kwd><kwd>секвенирование</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Bogdan I., Xin H., Burg G., Bоni R. Heterogeneity of allelic deletions within melanoma metastases. Melanoma Res 2001;11(4):349–54. 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