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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2024-19-3-240-257</article-id><article-id custom-type="edn" pub-id-type="custom">JHCZWL</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-2088</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="en"><subject>BIOCHEMISTRY AND BIOTECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БИОХИМИЯ И БИОТЕХНОЛОГИЯ</subject></subj-group></article-categories><title-group><article-title>Development of technology for culturing a cell line producing a single-domain antibody fused with the Fc fragment of human IgG1</article-title><trans-title-group xml:lang="ru"><trans-title>Разработка технологии культивирования клеточной линии, продуцирующей однодоменное антитело, слитое с Fc-фрагментом IgG1 человека</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0792-7063</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полянский</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Polyansky</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полянский Дмитрий Сергеевич, технолог, филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18;</p><p>ассистент кафедры аналитической химии им. И.П. Алимарина</p><p>119571, Москва, пр-т Вернадского, д. 86)</p></bio><bio xml:lang="en"><p>Dmitry S. Polyansky, Technologist, Medgamal Branch</p><p>18, Gamaleya ul., Moscow, 123098;</p><p>Assistant Professor, I.P. Alimarin Department of Analytical Chemistry</p><p>86, Vernadskogo pr., Moscow, 119571</p></bio><email xlink:type="simple">polanskiydmitriy15@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2687-5185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рябова Екатерина Игоревна, младший научный сотрудник, лаборатория иммунобиотехнологии</p><p>123098, Москва, ул. Гамалеи, д. 18;</p><p>аспирант</p><p>109472, Москва, ул. Академика Скрябина, д. 23</p><p>Scopus Author ID 57301278100</p><p>ResearcherID AAE-7335-2022</p></bio><bio xml:lang="en"><p>Ekaterina I. Ryabova, Junior Researcher, Laboratory of  Immunobiotechnology</p><p>18, Gamaleya ul., Moscow, 123098;</p><p>Postgraduate Student</p><p>23, Akademika Skryabina ul., Moscow, 109472</p><p>Scopus Author ID 57301278100</p><p>ResearcherID AAE-7335-2022</p></bio><email xlink:type="simple">ryabovaei96@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3776-3856</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деркаев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Derkaev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Деркаев Артем Алексеевич, младший научный  сотрудник, лаборатория иммунобиотехнологии</p><p>123098, Москва, ул. Гамалеи, д. 18</p><p>Scopus Author ID 57381507000</p><p>ResearcherID AFU-7075-2022</p></bio><bio xml:lang="en"><p>Artem A. Derkaev, Junior Researcher, Laboratory of Immunobiotechnology</p><p>18, Gamaleya ul., Moscow, 123098</p><p>Scopus Author ID 57381507000</p><p>ResearcherID AFU-7075-2022</p></bio><email xlink:type="simple">derkaev.a@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-6493-5903</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Старков</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Starkov</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старков Никита Сергеевич, технолог, филиал  «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Nikita S. Starkov,Technologist, Medgamal Branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">starkovns@medgamal.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5108-3841</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кашапова</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashapova</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кашапова Ирина Сергеевна, научный сотрудник,  лаборатория клеточной микробиологии</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Irina S. Kashapova, Researcher, Laboratory of Molecular Biotechnology</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">kashapova@medgamal.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1289-3411</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щебляков</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcheblyakov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щебляков Дмитрий Викторович, к.б.н., ведущий  научный сотрудник, заведующий лабораторией  иммунобиотехнологииздравоохранения</p><p>123098, Москва, ул. Гамалеи, д. 18</p><p>Scopus Author ID 35073056900</p><p>ResearcherID E-5899-2014</p></bio><bio xml:lang="en"><p>Dmitry V. Shcheblyakov, Cand. Sci. (Biol.), Leading  Researcher, Head of the Laboratory of Immunobiotechnology</p><p>18, Gamaleya ul., Moscow, 123098</p><p>Scopus Author ID 35073056900</p><p>ResearcherID E-5899-2014</p></bio><email xlink:type="simple">sdmitryv@yahoo.com</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>Карпов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карпов Андрей Павлович, к.б.н., главный технолог,  филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p><p>Scopus Author ID 22834845200</p></bio><bio xml:lang="en"><p>Andrey P. Karpov, Cand. Sci. (Biol.), Chief Technologist, Medgamal Branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">ap.karpov@medgamal.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2063-2449</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Есмагамбетов</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Esmagambetov</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Есмагамбетов Ильяс Булатович, к.б.н., ведущий  научный сотрудник, заведующий лабораторией  стромальной регуляции иммунитета</p><p>123098, Москва, ул. Гамалеи, д. 18</p><p>Scopus Author ID 56120429700</p><p>ResearcherID E-3327-2014</p></bio><bio xml:lang="en"><p>Ilias B. Esmagambetov, Cand. Sci. (Biol.), Leading Researcher, Heard of the Laboratory of Stromal  Regulation of Immunity</p><p>18, Gamaleya ul., Moscow, 123098</p><p>Scopus Author ID 56120429700</p><p>ResearcherID E-3327-2014</p></bio><email xlink:type="simple">iesmagambetov@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский центр эпидемиологии и микробиологии им. Н.Ф. Гамалеи, Министерство Здравоохранения Российской Федерации;&#13;
МИРЭА — Российский технологический университет (Институт тонких химических технологий им. М.В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.F. Gamaleya National Research Center for Epidemiology and Microbiology, Ministry of Health of the Russian Federation;&#13;
MIREA — Russian Technological University (M.V. Lomonosov Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский центр эпидемиологии и микробиологии им. Н.Ф. Гамалеи, Министерство Здравоохранения Российской Федерации;&#13;
Московская государственная академия ветеринарной медицины и биотехнологии — МВА им. К.И. Скрябина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.F. Gamaleya National Research Center for Epidemiology and Microbiology, Ministry of Health of the Russian Federation;&#13;
Moscow State Academy of Veterinary Medicine and Biotechnology — K.I. Skryabin MVA</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный исследовательский центр эпидемиологии и микробиологии им. Н.Ф. Гамалеи, Министерство Здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.F. Gamaleya National Research Center for Epidemiology and Microbiology, Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>06</day><month>07</month><year>2024</year></pub-date><volume>19</volume><issue>3</issue><fpage>240</fpage><lpage>257</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Polyansky D.S., Ryabova E.I., Derkaev A.A., Starkov N.S., Kashapova I.S., Shcheblyakov D.V., Karpov A.P., Esmagambetov I.B., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Полянский Д.С., Рябова Е.И., Деркаев А.А., Старков Н.С., Кашапова И.С., Щебляков Д.В., Карпов А.П., Есмагамбетов И.Б.</copyright-holder><copyright-holder xml:lang="en">Polyansky D.S., Ryabova E.I., Derkaev A.A., Starkov N.S., Kashapova I.S., Shcheblyakov D.V., Karpov A.P., Esmagambetov I.B.</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://www.finechem-mirea.ru/jour/article/view/2088">https://www.finechem-mirea.ru/jour/article/view/2088</self-uri><abstract><p>Objectives. To develop an effective technology for the cultivation of Chinese hamster ovary (CHO) cells stably producing GamP2C5 antibody which is a component I of the GamCoviMab candidate drug for emergency prevention and therapy of  infection caused by SARS-CoV-2 virus; to select optimal cultivation parameters and to scale this technology in production.Methods. The study was performed on CHO GamP2C5 (clone 78) cell culture, producing a single-domain antibody fused to the Fc fragment of human IgG1 GamP2C5. Different culture media and supplements were used. Cells were cultured in Erlenmeyer flasks, Biostat® RM 20 wave-mixed bioreactor, Ambr® 250 mini bioreactors, STR 200 stirred-tank bioreactor.Results. Using molecular-genetic and biotechnological methods, a stable clone producer of CHO GamP2C5 antibody, clone 78, was obtained. Then a technique was worked out for the cultivation of the obtained clone producer on different culture media. The most suitable cultivation regimes, culture media, and optimal supplements were selected. This technology was tested in laboratory conditions in a 10-L reactor, and then successfully scaled up for production at the MedGamal Branch of the Gamaleya National Research Center for Epidemiology and Microbiology.Conclusions. This study demonstrates the fundamental feasibility of developing and scaling up a culture technology, in order to produce a drug based on a modified single-domain antibody with virus neutralizing activity against different strains of SARS-CoV-2 virus.</p></abstract><trans-abstract xml:lang="ru"><p>Цели. Разработать эффективную технологию культивирования клеток яичников китайского хомячка (СНО), стабильно продуцирующих антитело GamP2C5, которое является компонентом I кандидатного препарата ГамКовиМаб для экстренной профилактики и терапии инфекции, вызванной вирусом SARS-CoV-2; подобрать оптимальные параметры культивирования и масштабировать данную технологию на производстве.Методы. Исследование проводилось на культуре клеток СНО GamP2C5 (клон 78), продуцирующей однодоменное антитело, слитое с Fc-фрагментом IgG1 человека GamP2C5; были использованы различные среды для культивирования и питательные добавки. Культивирование клеток проходило в колбах Эрленмейера, биореакторе c волновым типом перемешивания Biostat® RM 20 basic, минибиореакторах Ambr® 250, биореакторе с осевым типом перемешивания STR 200.Результаты. При помощи молекулярно-генетических и биотехнологических методов был получен стабильный клон-продуцент антитела CHO GamP2C5 (клон 78), и отработана методика культивирования полученного клона-продуцента на различных питательных средах. Были выбраны наиболее подходящие режимы культивирования, питательная среда и оптимальные подпитки. Данная технология была отработана в лабораторных условиях в 10-литровом реакторе и успешно масштабирована на производстве в филиале «Медгамал» Национального исследовательского центра эпидемиологии и микробиологии им. Н.Ф. Гамалеи.Выводы. В данном исследовании показана принципиальная возможность разработки и масштабирования технологии культивирования для получения препарата на основе модифицированного однодоменного антитела с вируснейтрализующей активностью против различных штаммов вируса SARS-CoV-2.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>моноклональные антитела</kwd><kwd>однодоменные антитела</kwd><kwd>тяжелоцепочечные антитела</kwd><kwd>культивирование</kwd><kwd>клетки СНО</kwd><kwd>масштабирование биопроцесса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>monoclonal antibodies</kwd><kwd>single-domain antibodies</kwd><kwd>heavy chain antibodies</kwd><kwd>cultivation</kwd><kwd>CHO cells</kwd><kwd>bioprocess scaling</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sun J., Yang .D., Xie X., Li L., Zeng H.Z., Gong B., Xu J.Q., Wu J.H., Qu B.B., Song G.W. 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