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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">vestnik-bio-msu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Московского университета. Серия 16. Биология</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Moskovskogo universiteta. Seriya 16. Biologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0137-0952</issn><publisher><publisher-name>Lomonosov Moscow State University,  School of Biology</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestnik-bio-msu-392</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>Молекулярная биология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Molecular biology</subject></subj-group></article-categories><title-group><article-title>ПОИСК МИШЕНЕЙ ДЛЯ ГОССИПОЛА В СОСТАВЕ БЕЛКА PARP1</article-title><trans-title-group xml:lang="en"><trans-title>EVALUATING PARP1 DOMAINS AS GOSSYPOL TARGETS</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>Гросс</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gross</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гросс Скотт (Gross Scott) — студент лаборатории эпигенетики рака</p></bio><bio xml:lang="en"><p>Cancer Epigenetics Team</p></bio><email xlink:type="simple">tug29564@temple.edu</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>Котова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kotova</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Котова Елена Юрьевна — научный сотрудник лаборатории эпигенетики рака</p></bio><bio xml:lang="en"><p>Cancer Epigenetics Team</p></bio><email xlink:type="simple">elena.kotova@fccc.edu</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>Малюченко</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Maluchenko</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Малюченко Наталия Валериевна — кандидат биологических наук, доцент кафедры биоинженерии биологического факультета МГУ</p></bio><bio xml:lang="en"><p>Department of Bioengineering, School of Biology</p></bio><email xlink:type="simple">mal_nat@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>Паскаль</surname><given-names>Дж. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Pascal</surname><given-names>J. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Паскаль Джон Мэттесон (Pascal John Matteson) — кандидат биологических наук, профессор кафедры биохимии</p></bio><bio xml:lang="en"><p>Department of Biochemistry and Molecular Medicine</p></bio><email xlink:type="simple">john.pascal@umontreal.ca</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>Студитский</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Studitsky</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Студитский Василий Михайлович — доктор биологических наук, вед научный сотрудник кафедры биоинженерии биологического факультета МГУ</p></bio><bio xml:lang="en"><p>Department of Bioengineering, School of Biolog, MSU</p></bio><email xlink:type="simple">vasily.studitsky@fccc.edu</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр исследований рака Фокс Чейз, штат Пенсильвания, Филадельфия</institution><country>Соединённые Штаты Америки</country></aff><aff xml:lang="en"><institution>Fox Chase Cancer Center, Philadelphia,</institution><country>United States</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Центр исследований рака Фокс Чейз, штат Пенсильвания, Филадельфия</institution><country>Соединённые Штаты Америки</country></aff><aff xml:lang="en"><institution>Fox Chase Cancer Center, Philadelphia</institution><country>United States</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Университет Монреаля, Квебек, Монреаль</institution><country>Канада</country></aff><aff xml:lang="en"><institution>Université de Montréal</institution><country>Canada</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Центр исследований рака Фокс Чейз, штат Пенсильвания, Филадельфия; &#13;
Московский государственный университет имени М.В. Ломоносова, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Fox Chase Cancer Center, Philadelphia; &#13;
Moscow State University, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>27</day><month>10</month><year>2016</year></pub-date><volume>0</volume><issue>4</issue><fpage>61</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гросс С., Котова Е.Ю., Малюченко Н.В., Паскаль Д.М., Студитский В.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Гросс С., Котова Е.Ю., Малюченко Н.В., Паскаль Д.М., Студитский В.М.</copyright-holder><copyright-holder xml:lang="en">Gross S., Kotova E.Y., Maluchenko N.V., Pascal J.M., Studitsky V.M.</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://vestnik-bio-msu.elpub.ru/jour/article/view/392">https://vestnik-bio-msu.elpub.ru/jour/article/view/392</self-uri><abstract><p>PARP1 представляет собой ключевой фермент, участвующий в репарации ДНК, репликации и транскрипции, а ингибиторы PARP1 рассматриваются как перспективные противоопухолевые препараты, действующие как химиои радиосенсибилизаторы при традиционной терапии злокачественных образований. Ранее было обнаружено, что природный полифенол из хлопчатника — госсипол — способен ингибировать PARP1, но точный механизм его действия остается неизвестным. В данной работе проводили поиск мишеней действия госсипола, используя серию мутантов PARP1, лишенных домена BRCT или содержащих различные мутации в Zn3-домене. Ингибирование госсиполом PARP1 сравнивали с действием олапариба — ингибитора PARP1, c известным механизмом действия, направленным на каталитический центр PARP1. Было показано, что ни домен BRCT, ни какой-либо из трех Zn-доменов не требуются для ингибирования госсиполом каталитической активности PARP1, поскольку данный ингибитор проявлял сходную активность по отношению как к нативному, так и к мутантным вариантам PARP1. Полученные данные противоречат высказанному ранее предположению, согласно которому, мишенью для действия госсипола является BRCT-домен PARP1. Таким образом, мишенью действия госсипола, видимо, являются другие домены или междоменные участки белка PARP1. </p></abstract><trans-abstract xml:lang="en"><p>Poly ADP-ribose polymerase 1 (PARP1) is an important enzyme, which is involved in DNA repair, replication, and transcription. Prospective anti-cancer drug gossypol inhibits human PARP1, but the mechanism of inhibition remains unknown. Previously it has been shown that gossypol interacts with purified BRCA1 C-terminus (BRCT) domain in vitro, but it remains unclear whether it inhibits PARP1 through BRCT domain in the context of the full length protein. Here it is shown that the BRCT domain within the full-length PARP1 protein is not required for inhibition of catalytic activity of PARP1 by gossypol. Our data obtained using a series of PARP1 mutations and H4-dependent pathway of PARP1 activation also show that Zinc fingers, the DNA binding domains of PARP1, are not involved in the inhibition of PARP1 catalytic activity by gossypol. Thus the likely candidate target(s) for gossypol action are other domains of PARP1 or interdomain linkers. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>PARP1</kwd><kwd>олапариб</kwd><kwd>госсипол</kwd><kwd>BRCT-домен</kwd><kwd>Zn3-домен</kwd><kwd>WGR-домен</kwd><kwd>поли(АДФ-рибозил)ирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>PARP1</kwd><kwd>olaparib</kwd><kwd>gossypol</kwd><kwd>BRCT domain</kwd><kwd>Zn3 domain</kwd><kwd>WGR-domain</kwd><kwd>poly ADPribosylation</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">Ame J.C., Spenlehauer C., de Murcia G. The PARP superfamily // BioEssays. 2004. Vol. 26. N 8. P. 882–893</mixed-citation><mixed-citation xml:lang="en">Ame J.C., Spenlehauer C., de Murcia G. The PARP superfamily // BioEssays. 2004. Vol. 26. N 8. 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