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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">Almanac of Clinical Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Almanac of Clinical Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Альманах клинической медицины</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2072-0505</issn><issn publication-format="electronic">2587-9294</issn><publisher><publisher-name xml:lang="en">Moscow Regional Research and Clinical Institute (MONIKI)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17232</article-id><article-id pub-id-type="doi">10.18786/2072-0505-2024-52-024</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ARTICLES</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical significance of analysis of long non-coding RNA PSMB8-AS1, MBNL1-AS1, and OLMALINC expression by polymerase chain reaction in non-small cell lung cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Клиническая значимость анализа экспрессии длинных некодирующих РНК PSMB8-AS1, MBNL1-AS1 и OLMALINC методом полимеразной цепной реакции при немелкоклеточном раке легкого</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6132-9924</contrib-id><name-alternatives><name xml:lang="en"><surname>Kovaleva</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Ковалева</surname><given-names>Ольга Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Biol. Sci., Senior Research Fellow, Laboratory of Regulation of Cellular and Viral Oncogenes</p></bio><bio xml:lang="ru"><p>д-р биол. наук, ст. науч. сотр. лаборатории регуляции клеточных и вирусных онкогенов</p></bio><email>ovkovaleva@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2312-5546</contrib-id><name-alternatives><name xml:lang="en"><surname>Podlesnaya</surname><given-names>Polina A.</given-names></name><name xml:lang="ru"><surname>Подлесная</surname><given-names>Полина Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (in Biol.), Research Fellow, Laboratory of Tumor Stromal Cells Biology</p></bio><bio xml:lang="ru"><p>канд. биол. наук, науч. сотр. лаборатории биологии стромальных клеток опухолей</p></bio><email>polina.pod@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-4532-8597</contrib-id><name-alternatives><name xml:lang="en"><surname>Kudinova</surname><given-names>Ekaterina S.</given-names></name><name xml:lang="ru"><surname>Кудинова</surname><given-names>Екатерина Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Deputy Head of the Department of Production of Medical Devices for in vitro diagnostics</p></bio><bio xml:lang="ru"><p>и.о. начальника отдела производства медицинских изделий для диагностики <italic>in vitro</italic></p></bio><email>kudinova@ronc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5275-7134</contrib-id><name-alternatives><name xml:lang="en"><surname>Mochalnikova</surname><given-names>Valeria V.</given-names></name><name xml:lang="ru"><surname>Мочальникова</surname><given-names>Валерия Васильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Pathologist, Pathology Department of the Tumor Morphological and Molecular Genetic Diagnostics Division</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач-патологоанатом патологоанатомического отделения отдела морфологической и молекулярно-генетической диагностики опухолей</p></bio><email>mochalnikova70@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1490-8418</contrib-id><name-alternatives><name xml:lang="en"><surname>Kushlinskii</surname><given-names>Nikolay E.</given-names></name><name xml:lang="ru"><surname>Кушлинский</surname><given-names>Николай Евгеньевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Member of Russ. Acad. Sci., Scientific Director of Clinical Diagnostic Laboratory, Consultative and Diagnostic Center</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, академик РАН, научный руководитель клинико-диагностической лаборатории консультативно-диагностического центра</p></bio><email>biochimia@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2137-1866</contrib-id><name-alternatives><name xml:lang="en"><surname>Gratchev</surname><given-names>Alexey N.</given-names></name><name xml:lang="ru"><surname>Грачев</surname><given-names>Алексей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Biol. Sci., Head of Laboratory of Tumor Stromal Cells Biology</p></bio><bio xml:lang="ru"><p>д-р биол. наук, заведующий лабораторией биологии стромальных клеток опухолей</p></bio><email>alexei.gratchev@gmail.com</email><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</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-10-10" publication-format="electronic"><day>10</day><month>10</month><year>2024</year></pub-date><volume>52</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>189</fpage><lpage>196</lpage><history><date date-type="received" iso-8601-date="2024-02-26"><day>26</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-10-01"><day>01</day><month>10</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Kovaleva O.V., Podlesnaya P.A., Kudinova E.S., Mochalnikova V.V., Kushlinskii N.E., Gratchev A.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Ковалева О.В., Подлесная П.А., Кудинова Е.С., Мочальникова В.В., Кушлинский Н.Е., Грачев А.Н.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Kovaleva O.V., Podlesnaya P.A., Kudinova E.S., Mochalnikova V.V., Kushlinskii N.E., Gratchev A.N.</copyright-holder><copyright-holder xml:lang="ru">Ковалева О.В., Подлесная П.А., Кудинова Е.С., Мочальникова В.В., Кушлинский Н.Е., Грачев А.Н.</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://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://almclinmed.ru/jour/article/view/17232">https://almclinmed.ru/jour/article/view/17232</self-uri><abstract xml:lang="en"><p><bold>Rationale:</bold> Long non-coding RNAs (lncRNAs) influence tumor cell properties during the onset and progression of lung malignancies; however, their diagnostic and prognostic significance has not been determined. We have previously shown that when non-small cell lung cancer (NSCLC) cells acquire a more malignant phenotype (under the influence of macrophagal cytotoxic activity) compared to the original cell lines, the expression of several lncRNAs, in particular PSMB8-AS1, MBNL1-AS1, and OLMALINC, is altered compared to the original cell lines.</p> <p><bold>Aim:</bold> A comparative analysis of lncRNAs PSMB8-AS1, MBNL1-AS1, and OLMALINC expression in tissue samples from lung tumors and conditionally normal areas of the lungs and an assessment of the lncRNAs clinical significance.</p> <p><bold>Methods:</bold> We have analyzed surgical samples of the tumor and conditionally normal tissue from 16 patients with a verified diagnosis of NSCLC. The expression level of lncRNAs PSMB8-AS1, MBNL1-AS1 and OLMALINC was assessed by real-time polymerase chain reaction. To analyze the long-term treatment results and clinical significance of the studied genes, the patients were divided into two comparison groups depending on the relative level of lncRNAs expression (above or below the median).</p> <p><bold>Results:</bold> The expression of lncRNAs PSMB8-AS1, MBNL1-AS1 and OLMALINC in the lung tumor tissue was significantly reduced compared to the conditionally normal tissues (p = 0.0034; p = 0.002 and p = 0.0172, respectively). Analysis of the association between the expression of these lncRNAs with clinical and morphological characteristics, such as disease stage, tumor size, presence of regional and distant metastases was unable to identify any regular patterns. The expression of lncRNAs PSMB8-AS1, MBNL1-AS1 and OLMALINC was not a significant prognostic factor (p = 0.364; p = 0.759 and p = 0.184, respectively). However in the case of high OLMALINC and PSMB8-AS1 expression, median survival was 47 months, while in the case of their low expression, median survival was not achieved during the follow-up. The expression of lncRNA PSMB8-AS1 in NSCLC tumors positively correlated with the expression of lncRNA OLMALINC (r = 0.680, p = 0.007), which may indicate their functional interplay or the presence of common regulatory mechanisms.</p> <p><bold>Conclusion:</bold> The NSCLC tumors demonstrated aberrant expression of PSMB8-AS1, MBNL1-AS1, and OLMALINC lncRNAs. A more detailed study of their expression in various cell types and their regulatory role would allow for validation of new therapeutic targets in NSCLC, as well as for development of alternative therapies.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Длинные некодирующие РНК (днРНК) влияют на свойства опухолевых клеток при развитии и прогрессии злокачественных новообразований легкого, однако их диагностическая и прогностическая значимость не определена. Ранее мы показали, что при приобретении клетками немелкоклеточного рака легкого (НМРЛ) более злокачественного фенотипа (под влиянием цитотоксической активности макрофагов) по сравнению с исходными клеточными линиями изменяется экспрессия ряда днРНК, в частности PSMB8-AS1, MBNL1-AS1 и OLMALINC.</p> <p><bold>Цель</bold> – сравнительный анализ экспрессии днРНК PSMB8-AS1, MBNL1-AS1 и OLMALINC в образцах опухолевой и условно нормальной ткани легкого, а также оценка клинической значимости этих днРНК.</p> <p><bold>Материал и методы.</bold> Исследованы операционные образцы опухолевой и условно нормальной ткани, полученной от 16 пациентов с верифицированным диагнозом НМРЛ. Уровень экспрессии генов днРНК PSMB8-AS1, MBNL1-AS1 и OLMALINC оценивали при помощи полимеразной цепной реакции в режиме реального времени. Для анализа отдаленных результатов лечения и клинической значимости исследуемых генов больных разделили на 2 группы сравнения в зависимости от относительного уровня экспрессии днРНК выше или ниже медианы.</p> <p><bold>Результаты.</bold> Экспрессия днРНК PSMB8-AS1, MBNL1-AS1 и OLMALINC значимо снижена в опухолевой ткани легкого по сравнению с условной нормой (p = 0,0034; p = 0,002 и p = 0,0172 соответственно). При анализе ассоциации экспрессии данных днРНК с клинико-морфологическими характеристиками, такими как стадия заболевания, размер опухоли, наличие регионарных и отдаленных метастазов, закономерностей не установлено. Экспрессия днРНК PSMB8-AS1, MBNL1-AS1 и OLMALINC не была значимым прогностическим фактором (p = 0,364; p = 0,759 и p = 0,184 соответственно). Однако в случае высокой экспрессии OLMALINC и PSMB8-AS1 медиана выживаемости составила 47 месяцев, тогда как в случае низкой экспрессии не была достигнута за период наблюдения. Экспрессия днРНК PSMB8-AS1 в опухолях НМРЛ значимо положительно коррелировала с экспрессией днРНК OLMALINC (r = 0,680; p = 0,007), что может указывать на их функциональную связь или наличие общих механизмов регуляции.</p> <p><bold>Заключение.</bold> В опухолях НМРЛ наблюдается аберрантная экспрессия днРНК PSMB8-AS1, MBNL1-AS1 и OLMALINC. Более детальное изучение их экспрессии в различных типах клеток и регуляторной роли позволит валидировать новые терапевтические мишени НМРЛ, а также разработать альтернативные методы терапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>long non-coding RNAs</kwd><kwd>non-small cell lung cancer</kwd><kwd>marker</kwd><kwd>prognosis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>длинные некодирующие РНК</kwd><kwd>немелкоклеточный рак легкого</kwd><kwd>маркер</kwd><kwd>прогноз</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>22-15-00291</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Bade BC, Dela Cruz CS. 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