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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-270</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>СРАВНИТЕЛЬНЫЙ АНАЛИЗ ЭКСПРЕССИИ ГЕНА SERPINA1 В КЛЕТОЧНЫХ ЛИНИЯХ ОПУХОЛЕВОГО ПРОИСХОЖДЕНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>COMPARATIVE ANALYSIS OF SERPINA1 GENE EXPRESSION IN TUMOR CELL LINES</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>Маслакова</surname><given-names>Айтсана Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Maslakova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотр. лаборатории эндокринологии кафедры физиологии человека и животных</p></bio><email xlink:type="simple">aitsana.dokrunova@gmail.com</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>Телков</surname><given-names>Мирослав Васильевич</given-names></name><name name-style="western" xml:lang="en"><surname>Telkov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, ст. науч. сотр.</p></bio><email xlink:type="simple">telkov77@gmail.com</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>Орловский</surname><given-names>Игорь Вячеславович</given-names></name><name name-style="western" xml:lang="en"><surname>Orlovsky</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, науч. сотр. отдела молекулярных основ онтогенеза</p></bio><email xlink:type="simple">igor.orlovsky@belozersky.msu.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>Соколова</surname><given-names>Ольга Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolova</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. биол. наук, доц. кафедры биоинженерии</p></bio><email xlink:type="simple">sokolova@mail.bio.msu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>биологический факультет МГУ</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ФНИЦ эпидемиологии и микробиологии им. Н.Ф. Гамалеи</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>НИИ Физико-химической биологии имени А.Н. Белозерского МГУ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2015</year></pub-date><volume>0</volume><issue>3</issue><fpage>26</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маслакова А.А., Телков М.В., Орловский И.В., Соколова О.С., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Маслакова А.А., Телков М.В., Орловский И.В., Соколова О.С.</copyright-holder><copyright-holder xml:lang="en">Maslakova A.A., Telkov M.V., Orlovsky I.V., Sokolova O.S.</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/270">https://vestnik-bio-msu.elpub.ru/jour/article/view/270</self-uri><abstract><p>Изучали экспрессию гена SERPINA1 в клетках опухолей предстательной железы человека (линии DU145, PC-3, LNCaP) и опухоли печени человека (HepG2). Определяли уровень альфа1-антитрипсина (ААТ) в экстрактах целых клеток, секретомах, субклеточных фракциях и уровень мРНК SERPINA1 в суммарных РНК из клеток указанных линий. Установлено несоответствие уровня мРНК уровню белка в линиях PC-3 и LNCaP. В ядрах клеток некоторых линий обнаружена новая изоформа ААТ массой 37 кДа, вероятно, укороченная с N-конца (в сравнении с полноразмерным ААТ). Предложен механизм внутриклеточного удерживания изоформы 37 кДа. В 3-нетранслируемой области и в транскриптах гена SERPINA1 идентифицировано 2 сайта полиаденилирования. Обсуждается влияние 3-нетранслируемой области гена SERPINA1 на трансляционную регуляцию экспрессии ААТ.</p></abstract><trans-abstract xml:lang="en"><p>The expression of SERPINA1 gene in prostate prostate (DU145, PC-3 and LNCaP) and human liver (HepG2) tumor cell lines was studied. Alpha1-antitrypsin (AAT) level in the whole cell extracts, secretomes, subcellular fractions and SERPINA1 mRNA level in the corresponding cells were detected. Discordance between expression at these two levels in PC-3 and LNCaP lines was revealed. A new 37 KDa AAT N-terminus truncated isoform was detected in the nuclear extracts of some prostate tumor cell lines. The mechanism of 37 KDa AAT isoform intracellular retention was proposed. Two polyadenylation sites in the 3-untranslated region of SERPINA1 transcripts were identified. A SERPINA1 gene 3-untranslated region influence on AAT translation has been discussed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>альфа1-антитрипсин</kwd><kwd>транскрипты SERPINA1</kwd><kwd>3ґ-нетранслируемая область</kwd><kwd>альтернативное полиаденилирование</kwd><kwd>микроРНК</kwd></kwd-group><kwd-group xml:lang="en"><kwd>alpha1-antitrypsin</kwd><kwd>SERPINA1 transcripts</kwd><kwd>3ґ-untranslated region</kwd><kwd>alternative polyadenylation</kwd><kwd>microRNAs</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Российский научный фонд</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">Rowe R.G., Weiss S.J. Navigating ECM barriers at the invasive front: the cancer cell-stroma interface // Annu. Rev. Cell Dev. Biol. 2009. Vol. 25. P. 567—595.</mixed-citation><mixed-citation xml:lang="en">Rowe R.G., Weiss S.J. 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