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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">MD-Onco</journal-id><journal-title-group><journal-title xml:lang="en">MD-Onco</journal-title><trans-title-group xml:lang="ru"><trans-title>MD-Onco</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-3202</issn><issn publication-format="electronic">2782-6171</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">111</article-id><article-id pub-id-type="doi">10.17650/2782-3202-2024-4-2-46-54</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>NEW DIRECTIONS AND ADVANCEMENTS IN TREATMENT OF ONCOLOGICAL DISEASES IN THE CURRENT AGE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>НОВЫЕ НАПРАВЛЕНИЯ И УСПЕХИ В ЛЕЧЕНИИ ОНКОЛОГИЧЕСКИХ ЗАБОЛЕВАНИЙ НА СОВРЕМЕННОМ ЭТАПЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Study of the mechanism of action of cytostatic drug regimens with the addition of lysine acridone acetate in metastatic colorectal cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Исследование механизма действия схем цитостатических препаратов с добавлением лизинакридонацетата при метастатическом колоректальном раке</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9763-504X</contrib-id><name-alternatives><name xml:lang="en"><surname>Bazhanova</surname><given-names>E. D.</given-names></name><name xml:lang="ru"><surname>Бажанова</surname><given-names>Е. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Elena D. Bazhanova </bold></p><p><italic>44 Prospekt Thoreza, Saint Petersburg 194223, </italic></p><p><italic>1 Bekhtereva St., Saint Petersburg 192019</italic></p></bio><bio xml:lang="ru"><p><bold>Елена Давыдовна Бажанова </bold></p><p><italic>194223 Санкт-Петербург, пр-кт Тореза, 44,</italic></p><p><italic>192019 Санкт-Петербург, ул. Бехтерева, 1</italic></p></bio><email>bazhanovae@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4168-0658</contrib-id><name-alternatives><name xml:lang="en"><surname>Kozlov</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Козлов</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Bekhtereva St., Saint Petersburg 192019</italic></p></bio><bio xml:lang="ru"><p><italic>192019 Санкт-Петербург, ул. Бехтерева, 1</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kovalenko</surname><given-names>A. L.</given-names></name><name xml:lang="ru"><surname>Коваленко</surname><given-names>А. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Bekhtereva St., Saint Petersburg 192019</italic></p></bio><bio xml:lang="ru"><p><italic>192019 Санкт-Петербург, ул. Бехтерева, 1</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-8748-8426</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolova</surname><given-names>Yu. O.</given-names></name><name xml:lang="ru"><surname>Соколова</surname><given-names>Ю. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Bekhtereva St., Saint Petersburg 192019</italic></p></bio><bio xml:lang="ru"><p><italic>192019 Санкт-Петербург, ул. Бехтерева, 1</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт эволюционной физиологии и биохимии им. И.М. Сеченова Российской академии наук»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Golikov Research Center of Toxicology, Federal Medical Biological Agency</institution></aff><aff><institution xml:lang="ru">ФГБУ «Научно-клинический центр токсикологии им. акад. С.Н. Голикова Федерального медико-биологического агентства»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-06-14" publication-format="electronic"><day>14</day><month>06</month><year>2024</year></pub-date><volume>4</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>46</fpage><lpage>54</lpage><history><date date-type="received" iso-8601-date="2024-06-14"><day>14</day><month>06</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-06-14"><day>14</day><month>06</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, ABV-Press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, АБВ-пресс</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">ABV-Press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://mdonco.abvpress.ru/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://mdonco.abvpress.ru/jour/article/view/111">https://mdonco.abvpress.ru/jour/article/view/111</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>One of the most common malignant tumors is colorectal cancer. Colorectal cancer is characterized by frequent metastasis to the liver, lungs, peritoneum and distant lymph nodes, and therefore its treatment is complicated. Therefore, it is urgent to search for new drugs and treatment methods based on the molecular mechanisms underlying metastatic colorectal cancer.</p><p><bold>Aim. </bold>To study the mechanism of action of cytostatic drug regimens with the addition of lysine acridone acetate to increase the effectiveness of anti-oncogenic chemotherapy in metastatic colorectal cancer.</p><p><bold>Materials and methods. </bold>We used mice of Nude line at the age of 4 weeks with inoculated tumor cells of SW837 line, which were administered chemotherapy drugs (FOLFOXIRI и FOLFOX6). On biopsy samples of liver metastases, the apoptosis level (TUNEL) and the expression of proteins CD95, p53, BCL2, histone H3, Ki-67 (immunohistochemistry) were assessed.</p><p><bold>Results. </bold>An activating effect of the studied therapeutic regimens was revealed, which was more active with the addition of lysine acridone acetate, on the development of p53-dependent apoptosis and the expression of H3K27me3 (a marker of treatment effectiveness and tumor progression) in colorectal cancer metastases in the liver of experimental mice. At the same time, the level of cancer cell proliferation (Ki-67 expression) decreased.</p><p><bold>Conclusion. </bold>Increased apoptosis in mouse liver metastases, as well as a decrease in cancer cell proliferation when using these drug regimens should be regarded as a positive therapeutic effect. A p53-dependent mechanism of apoptosis activation under the influence of appropriate treatment regimens has been revealed. Lysine acridone acetate may be preferable for clinical study.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold><bold> </bold>Одно из наиболее распространенных злокачественных новообразований – колоректальный рак, характеризующийся частым метастазированием в печень, легкие, брюшину и отдаленные лимфатические узлы, в связи с чем его лечение осложнено. Актуальным является поиск новых препаратов и методов лечения на базе молекулярных механизмов, лежащих в основе метастатического колоректального рака.</p><p><bold>Цель</bold><bold> </bold><bold>исследования</bold><bold> </bold>– изучение механизма действия схем цитостатических препаратов с добавлением лизинакридонацетата для повышения эффективности антионкогенной химиотерапии при метастатическом колоректальном раке.</p><p><bold>Материалы и методы. </bold>Мышам линии Nude в возрасте 4 нед с инокулированными опухолевыми клетками линии SW837 вводили химиотерапевтические препараты по 2 схемам (FOLFOXIRI и FOLFOX6). На биоптатах метастазов в печени оценивали уровень апоптоза (TUNEL) и экспрессию белков CD95, p53, BCL2, гистона Н3, Ki-67 (иммуногистохимия).</p><p><bold>Результаты. </bold>Выявлено активирующее действие исследуемых терапевтических схем, более активное с добавлением лизинакридонацетата, на развитие р53-зависимого апоптоза и экспрессию H3K27me3 (маркер эффективности лечения и прогрессии опухоли) в метастазах колоректального рака в печени экспериментальных мышей. При этом уровень пролиферации раковых клеток (экспрессия Ki-67) снижался.</p><p><bold>Заключение.</bold><bold> </bold>Усиление апоптоза при использовании данных лекарственных схем в метастазах печени мышей, как и снижение пролиферации раковых клеток, следует оценивать как положительный терапевтический эффект. Ведущим механизмом активации апоптоза при действии исследуемых схем лечения, очевидно, является р53-зависимый путь. Лизинакридонацетат может быть рекомендован к клиническому изучению.</p></trans-abstract><kwd-group xml:lang="en"><kwd>colorectal cancer</kwd><kwd>metastase</kwd><kwd>mice</kwd><kwd>apoptosis marker</kwd><kwd>proliferation</kwd><kwd>lysine acridone acetate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>колоректальный рак</kwd><kwd>метастаз</kwd><kwd>мыши</kwd><kwd>маркер апоптоза</kwd><kwd>пролиферация</kwd><kwd>лизинакридонацетат</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Zhang С., Stampfl-Mattersberger M., Ruckser R., Sebesta C. [Colorectal cancer (In German)]. Wien Med Wochenschr 2023;173(9–10):216–20. DOI: 10.1007/s10354-022-00975-6</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Cervantes A., Adam R., Roselló S. et al. Metastatic colorectal cancer: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up. Ann Oncol 2023;34(1):10–32. 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