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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Molekulyarnaya Meditsina (Molecular medicine)</journal-id><journal-title-group><journal-title xml:lang="en">Molekulyarnaya Meditsina (Molecular medicine)</journal-title><trans-title-group xml:lang="ru"><trans-title>Молекулярная медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-2918</issn><issn publication-format="electronic">2499-9490</issn><publisher><publisher-name xml:lang="en">Russkiy Vrach Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">635062</article-id><article-id pub-id-type="doi">10.29296/24999490-2024-04-06</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original research</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Dacarbazine initiates sirt1-independent overexpression of anti-apoptotic bcl2 in melanoma cells <italic>in vivo</italic></article-title><trans-title-group xml:lang="ru"><trans-title>Дакарбазин инициирует SIRT1-независимое повышение экспрессии антиапоптотического белка BCL2 в клетках меланомы <italic>in vivo</italic></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7226-9565</contrib-id><name-alternatives><name xml:lang="en"><surname>Lapkina</surname><given-names>Ekaterina Z.</given-names></name><name xml:lang="ru"><surname>Лапкина</surname><given-names>Екатерина Зиядхановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Associate Professor of the Department of Pharmacy. Candidate of biological sciences.</p></bio><bio xml:lang="ru"><p>доцент кафедры фармации с курсом ПО. Кандидат биологических наук.</p></bio><email>e.z.lapkina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-4129-9258</contrib-id><name-alternatives><name xml:lang="en"><surname>Kutsenko</surname><given-names>Victoria A.</given-names></name><name xml:lang="ru"><surname>Куценко</surname><given-names>Виктория Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD student of the Department of Pathophysiology</p></bio><bio xml:lang="ru"><p>аспирант кафедры патологической физиологии им. профессора В.В. Иванова</p></bio><email>vika.kucenko@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8142-4283</contrib-id><name-alternatives><name xml:lang="en"><surname>Ruksha</surname><given-names>Tatiana G.</given-names></name><name xml:lang="ru"><surname>Рукша</surname><given-names>Татьяна Геннадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Head of the Department of Pathophysiology. Doctor of medical sciences, Professor.</p></bio><bio xml:lang="ru"><p>заведующая кафедрой патологической физиологии им. профессора В.В. Иванова. Доктор медицинских наук, профессор.</p></bio><email>tatyana_ruksha@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Federal State Budgetary Educational Institution of Higher Education «Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University» of the Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Красноярский государственный медицинский университет им. проф. В.Ф. Войно-Ясенецкого» Минздрава России</institution></aff></aff-alternatives><aff id="aff2"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="2024-08-10" publication-format="electronic"><day>10</day><month>08</month><year>2024</year></pub-date><volume>22</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>38</fpage><lpage>44</lpage><history><date date-type="received" iso-8601-date="2024-08-09"><day>09</day><month>08</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-08-09"><day>09</day><month>08</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russkiy Vrach Publishing House</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, ИД "Русский врач"</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russkiy Vrach Publishing House</copyright-holder><copyright-holder xml:lang="ru">ИД "Русский врач"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2029-08-10"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/1728-2918/article/view/635062">https://journals.eco-vector.com/1728-2918/article/view/635062</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Cancer cell drug resistance in melanoma is associated with evasion of apoptosis-induced stimuli. Assessing the level of expression of the BCL2 and SIRT1 genes in distant organs and the tumor node makes it possible to assess the resistance of melanoma cells to chemotherapeutic effects associated with the activation of anti-apoptotic mechanisms.</p> <p><bold>The aim</bold> of the study. Relative expression level of the SIRT1 and BCL2 estimation in the tumor node and target organs for distant metastatic (lungs, liver) in B16 melanoma bearing mice under dacarbazine treatment.</p> <p><bold>Methods. </bold>In the in vivo model of B16 melanoma. Intraperitoneal administration of dacarbazine was used in vivo. Subsequently, total RNA was extracted from the cells of tumor node and distant organs (liver, lungs). Relative expression levels of the apoptosis and cell proliferation genes SIRT1, BCL2 were analyzed using real-time PCR (RT-PCR) method.</p> <p><bold>Results. </bold>When exposed to dacarbazine, the relative level of expression of the anti-apoptotic BCL2 in the tumor in B16 melanoma increases by 5.7-fold. The relative expression level of SIRT1 in the lungs after intraperitoneal injections of dacarbazine decreased by 3.8-fold.; in the liver of mice, the relative expression level of SIRT1 increased by 1.94-fold. The relative level of BCL2 expression in the lungs after intraperitoneal injections of dacarbazine decreased by 31-fold. In mouse liver, the relative expression level of BCL2 increased 1.94-fold.</p> <p><bold>Conclusion.</bold> When exposed to dacarbazine as a damaging factor in skin melanoma in vivo, SIRT1-mediated protection against apoptosis of liver cells and SIRT1-mediated activation of apoptosis in lung tissue cells of mice can be replaced, while in the melanoma tumor cell a pattern of SIRT1-independent induction of anti-apoptotic processes by dacarbazine in B16 melanoma bearing mice under dacarbazine treatment.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение. </bold>Лекарственная устойчивость меланомы связана с уклонением от апоптоз-индуцированных стимулов. Оценка уровня экспрессии генов BCL2 и SIRT1 в дистантных органах и опухолевом узле позволяет оценить устойчивость клеток меланомы к химиотерапевтическому воздействию, связанную с активацией антиапоптических механизмов.</p> <p><bold>Цель</bold> исследования. Оценка относительного уровня экспрессии онкогенов SIRT1 и BCL2 в опухолевом узле и дистантных органах (легкие, печень) мышей C57Bl6 с трансплантированной меланомой B16 при проведении противоопухолевой терапии дакарбазином.</p> <p><bold>Материал и методы. </bold>На модели меланомы B16 in vivo применяли внутрибрюшинное введение цитостатического препарата дакарбазин. В последующем извлекали из опухолевого узла и дистантных органов метастазирования меланомы (печень, легкие) тотальную РНК и анализировали с помощью полимеразной цепной реакции (ПЦР) в реальном времени (ПЦР-РВ) уровни относительной экспрессии генов SIRT1, BCL2.</p> <p><bold>Результаты. </bold>При воздействии дакарбазином увеличивается относительный уровень экспрессии антиапоптотического BCL2 в опухолевом узле в 5,7 раза. Относительный уровень экспрессии SIRT1 в легких после внутрибрюшинных инъекций дакарбазина снизился на в 3,8 раза, в печени мышей относительный уровень экспрессии SIRT1 повысился в 1,94 раза. Относительный уровень экспрессии BCL2 в легких после внутрибрюшинных инъекций дакарбазина снизился в 31 раз. В печени мышей относительный уровень экспрессии BCL2 повысился в 1,94 раза.</p> <p><bold>Заключение.</bold> При воздействии дакарбазином в качестве повреждающего фактора при меланоме кожи in vivo может происходить SIRT1-опосредованная протекция от апоптоза клеток печени и SIRT1-опосредованная активация апоптоза в клетках легочной ткани мышей, этом в опухолевом узле меланомы отмечается индукция дакарбазином антиапоптотических процессов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>skin melanoma</kwd><kwd>dacarbazine</kwd><kwd>SIRT1</kwd><kwd>BCL2</kwd><kwd>drug resistance</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>меланома кожи</kwd><kwd>дакарбазин</kwd><kwd>SIRT1</kwd><kwd>BCL2</kwd><kwd>лекарственная устойчивость</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was supported by the Russian Science Foundation (No. 19-15-00110, https://rscf.ru/project/19-15-00110/).</funding-statement><funding-statement xml:lang="ru">Исследование выполнено при поддержке Российского научного фонда (№19-15-00110, https://rscf.ru/project/19-15-00110/).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Long G., Swetter S., Menzies A., Gershenwald J., Scolyer R. 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