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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">113528</article-id><article-id pub-id-type="doi">10.29296/24999490-2021-06-04</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>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">The influence of L-amino acids on the viability of neuroendocrine PC 12 cells line</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние L-аминокислот на жизнеспособность нейроэндокринных клеток линии PC12</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Linkova</surname><given-names>Natalia Sergeevna</given-names></name><name xml:lang="ru"><surname>Линькова</surname><given-names>Наталья Сергеевна</given-names></name></name-alternatives><bio xml:lang="en"><p>doctor of biological sciences, associate professor, the head of the laboratory of Molecular mechanisms of aging of Biogerontology department; geriatrics and anti-age medicine; senior researcher of the laboratory “Problems of aging”</p></bio><bio xml:lang="ru"><p>доктор биологических наук, доцент, заведующая лабораторией молекулярных механизмов старения отдела биогеронтологии; профессор кафедры терапии, гериатрии и антивозрастной медицины; ведущий научный сотрудник лаборатории</p></bio><email>miayy@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chalisova</surname><given-names>Natalia Iosifovna</given-names></name><name xml:lang="ru"><surname>Чалисова</surname><given-names>Наталья Иосифовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of biological sciences, рrofessor, senior researcher; senior researcher of the laboratory of Oncogerontology of Biogerontology department</p></bio><bio xml:lang="ru"><p>доктор биологических наук, профессор, ведущий научный сотрудник; едущий научный сотрудник лаборатории онкогеронтологии отдела биогеронтологии</p></bio><email>ni_chalisova@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ryzhak</surname><given-names>Galina Anatol’evna</given-names></name><name xml:lang="ru"><surname>Рыжак</surname><given-names>Галина Анатольевна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of medical sciences, рrofessor, associate Director</p></bio><bio xml:lang="ru"><p>заслуженный деятель науки РФ, доктор медицинских наук, профессор, заместитель директора</p></bio><email>galina@gerontology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gutop</surname><given-names>Ekaterina Olegovna</given-names></name><name xml:lang="ru"><surname>Гутоп</surname><given-names>Екатерина Олеговна</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, PhD, senior researcher of the laboratory of Molecular mechanisms of aging of Biogerontology department</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, старший научный сотрудник лаборатории молекулярных механизмов старения отдела биогеронтологии</p></bio><email>mgutop@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivko</surname><given-names>Oleg Michailovich</given-names></name><name xml:lang="ru"><surname>Ивко</surname><given-names>Олег Михайлович</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, PhD, senior researcher of the laboratory of Molecular mechanisms of aging of Biogerontology department</p></bio><bio xml:lang="ru"><p>кандидат биологических наук, старший научный сотрудник лаборатории молекулярных механизмов старения отдела биогеронтологии</p></bio><email>oleg.ivko@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Saint Petersburg Institute of Bioregulation and Gerontology</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский институт биорегуляции и геронтологии</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pavlov Institute of Physiology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Академия постдипломного образования ФГБУ ФНКЦ ФМБА России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Academy of postgraduate education under FSBU FSCC of FMBA of Russia</institution></aff><aff><institution xml:lang="ru">Белгородский национальный исследовательский государственный университет</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Belgorod State University</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт физиологии им. И.П. Павлова» РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2021</year></pub-date><volume>19</volume><issue>6</issue><issue-title xml:lang="en">VOL 19, NO6 (2021)</issue-title><issue-title xml:lang="ru">ТОМ 19, №6 (2021)</issue-title><fpage>27</fpage><lpage>30</lpage><history><date date-type="received" iso-8601-date="2022-11-18"><day>18</day><month>11</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Russkiy Vrach Publishing House</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ИД "Русский врач"</copyright-statement><copyright-year>2021</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="2026-06-15"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/1728-2918/article/view/113528">https://journals.eco-vector.com/1728-2918/article/view/113528</self-uri><abstract xml:lang="en"><p>Introduction. It was shown, that L-amino acids can take part in regulation of the main physiological processes. Various combination of L-amino acids takin into account of its biological activity can apply for peptide drugs synthesis for target therapy of social significant diseases. The aim. Estimation of the influence of 20L-amino acids on the viability of PC12 cell line. Methods. The investigation was based on MTT test applying for viability estimation of PC12 cell line. Results. Methionine, arginine, asparagine, glutamic acid and histidine increased the viability of PC12 cell line on 54, 56, 51, 63 and 27% accordingly. Conclusion. The molecular mechanism of histidine and arginine activity can be connected with epigenetic genes regulation of cell metabolism. Previously it was shown that 5 amino acids stimulated nerve and pancreatic tissues grown in various aged animals. It can be constructed short peptides on the base of methionine, arginine, asparagine, glutamic acid and histidine. These peptides can be perspectives substances for prevention and therapy age-related neuroendocrine pathology.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Известно, что L-аминокислоты могут участвовать в регуляции основных физиологических процессов. Различные сочетания L-аминокислот с учетом их биологической активности используют для синтеза лекарственных препаратов на основе пептидов, применяемых для таргетной терапии социально значимых заболеваний. Цель исследования. Оценить влияние 20 L-аминокислот на жизнеспособность нейроэндокринных клеток линии РС12. Методы. В работе с помощью МТТ-теста оценивали жизнеспособность клеток линии РС12. Результаты. Метионин, аргинин, аспарагин, глутамин и гистидин повышали жизнеспособность клеток линии РС12 соответственно на 54, 56, 51, 63 и 27%. Заключение. Молекулярный механизм действия гистидина и аргинина может быть связан с эпигенетической регуляцией экспрессии генов - регуляторов клеточного метаболизма. Ранее установлено, что эти аминокислоты стимулируют рост клеток нервной и панкреатической тканей у животных разного возраста. На основе метионина, аргинина, аспарагина, глутамина и гистидина могут быть сконструированы короткие пептиды, предназначенные для профилактики и лечения ассоциированной с возрастом нейроэндокринной патологии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>L-amino acids</kwd><kwd>neuroendocrine cells</kwd><kwd>epigenetic regulation</kwd><kwd>peptides</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>L-аминокислоты</kwd><kwd>нейроэндокринные клетки</kwd><kwd>эпигенетическая регуляция</kwd><kwd>пептиды</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Khavinson V., Linkova N., Diatlova A., Trofimova S. Peptide regulation of cell differentiation. 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