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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cancersp</journal-id><journal-title-group><journal-title xml:lang="ru">Южно-Российский онкологический журнал/ South Russian Journal of Cancer</journal-title><trans-title-group xml:lang="en"><trans-title>South Russian Journal of Cancer</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2686-9039</issn><publisher><publisher-name>АНО "Перспективы онкологии"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37748/2686-9039-2022-3-3-2</article-id><article-id custom-type="elpub" pub-id-type="custom">cancersp-172</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="ru"><subject>Оригинальная статья</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLE</subject></subj-group></article-categories><title-group><article-title>Применение силиконового покрытия для оптимизации процесса получения клеточных сфероидов методом висячей капли</article-title><trans-title-group xml:lang="en"><trans-title>Application of silicone coating to optimize the process of obtaining cellular spheroids by the hanging drop method</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4558-5896</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Филиппова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Filippova</surname><given-names>S. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Филиппова Светлана Юрьевна – научный сотрудник лаборатории клеточных технологийSPIN: 1659-6976AuthorID: 791081ResearcherID: AAH-4408-2020Scopus Author ID: 57189618843</p><p>344037, г. Ростов-на-Дону, ул. 14-я линия, д. 63</p></bio><bio xml:lang="en"><p>Svetlana Yu. Filippova – research fellow at the laboratory of cell technologiesSPIN: 1659-6976AuthorID: 791081ResearcherID: AAH-4408-2020Scopus Author ID: 57189618843</p><p>344037, Rostov-on-Don, 14 line str., 63</p></bio><email xlink:type="simple">filsv@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6035-1756</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ситковская</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Sitkovskaya</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ситковская Анастасия Олеговна – к.б.н., заведующая лабораторией клеточных технологийSPIN: 9586-2785AuthorID: 878784ResearcherID: E-7496-2018Scopus Author ID: 56381527400</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Anastasia O. Sitkovskaya – Cand. Sci. (Biol.), head of the laboratory of cell technologiesSPIN: 9586-2785AuthorID: 878784ResearcherID: E-7496-2018Scopus  Author ID: 56381527400</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5945-5961</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимофеева</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Timofeeva</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимофеева Софья Владимировна – научный сотрудник лаборатории клеточных технологийSPIN: 5362-1915AuthorID: 1064599ResearcherID: AAH-4834-2020Scopus Author ID: 57243356500</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Sofia V. Timofeeva – research fellow at the laboratory of cell technologiesSPIN: 5362-1915AuthorID: 1064599ResearcherID: AAH-4834-2020Scopus Author ID: 57243356500</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4555-8556</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шамова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shamova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шамова Татьяна Владимировна – младший научный сотрудник лаборатории клеточных технологийSPIN: 5426-1873AuthorID: 1051985ResearcherID: AAR-3198-2021Scopus Author ID: 57221303597</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Tatiana V. Shamova – junior research fellow at the laboratory of cell technologiesSPIN: 5426-1873AuthorID: 1051985ResearcherID: AAR-3198-2021Scopus Author ID: 57221303597</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7902-7278</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Межевова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mezhevova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Межевова Ирина Валентиновна – младший научный сотрудник лаборатории клеточных технологийSPIN: 3367-1741AuthorID: 1011695ResearcherID: AAI-1860-2019</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Irina V. Mezhevova – junior research fellow at the laboratory of cell technologiesSPIN: 3367-1741AuthorID: 1011695ResearcherID: AAI-1860-2019</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3691-3317</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гненная</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gnennaya</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гненная Надежда Владимировна – младший научный сотрудник лаборатории клеточных технологийSPIN: 9244-2318AuthorID: 900758ResearcherID: V-5582-2018Scopus Author ID: 57214806863</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Nadezhda V. Gnennaya – junior research fellow at the laboratory of cell technologiesSPIN: 9244-2318AuthorID: 900758ResearcherID: V-5582-2018Scopus Author ID: 57214806863</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6496-9641</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новикова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новикова Инна Арнольдовна – к.м.н., заместитель генерального директора по наукеSPIN: 4810-2424AuthorID: 726229ResearcherID: E-7710-2018Scopus Author ID: 57202252773</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Inna  A.  Novikova  –  Cand.  Sci.  (Med.),  deputy  general  director  for  scienceSPIN: 4810-2424AuthorID: 726229ResearcherID: E-7710-2018Scopus Author ID: 57202252773</p><p>Rostov-on-Don</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НМИЦ онкологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Centre for Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2022</year></pub-date><volume>3</volume><issue>3</issue><fpage>15</fpage><lpage>23</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Филиппова С.Ю., Ситковская А.О., Тимофеева С.В., Шамова Т.В., Межевова И.В., Гненная Н.В., Новикова И.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Филиппова С.Ю., Ситковская А.О., Тимофеева С.В., Шамова Т.В., Межевова И.В., Гненная Н.В., Новикова И.А.</copyright-holder><copyright-holder xml:lang="en">Filippova S.Y., Sitkovskaya A.O., Timofeeva S.V., Shamova T.V., Mezhevova I.V., Gnennaya N.V., Novikova I.A.</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.cancersp.com/jour/article/view/172">https://www.cancersp.com/jour/article/view/172</self-uri><abstract><p>Цель исследования. Исследовать влияние покрытия из СИЭЛ 159–330 на скорость и характер образования клеточных скоплений в висячей капле в сочетании с применением метилцеллюлозы (МЦ) и коллагена в качестве агентов, улучшающих агрегацию клеток.Материалы и методы. Клетки культуры рака молочной железы ВТ20 в количестве 104  помещали в каплях объёмом 20 мкл на крышку полистироловой чашки Петри с покрытием из силиконового эластомера СИЭЛ 159–330 (АО «ГНИИХТЭОС», г. Москва, Россия) или без покрытия. В исследовании тестировали по три концентрации МЦ (0,1 %, 0,25 % и 0,4 %) и коллагена (150 мкг/мл, 300 мкг/мл и 600 мкг/мл). Скорость формирования клеточных конгломератов оценивали через изменение их площади спустя 4, 24, 48 и 72 часа культивирования.Результаты. Применение покрытия из СИЭЛ 159–330 позволило получить сфероиды таких же размеров, что и добавление 0,4 % МЦ на временном промежутке 72 часа. Силиконовое покрытие дополнительно уменьшило размеры клеточных сфероидов в среде с 0,1 % МЦ во всех временных точках, однако с ростом концентрации МЦ данный эффект исчезал. Кроме того, использование СИЭЛ 159–330 уменьшило связь размеров клеточных сфероидов с концентрацией МЦ, что позволяет рассматривать применение данного покрытия, как альтернативу МЦ или способ сократить её концентрацию. В опыте с добавлением в среду культивирования коллагена размеры клеточных конгломератов, образующихся на силиконовом покрытии, были достоверно меньше, чем на пластике без покрытия во всех вариантах опыта и временных точках. При этом эффект был более выраженным для концентрации коллагена 600 мкг/мл. Применение покрытия из СИЭЛ 159–330, кроме того, сократило вариативность размеров и формы образующихся клеточных конгломератов.Заключение. Ускоренная агрегация клеток и волокон внеклеточного матрикса в висячих каплях, а также сокращение вариативности в размерах и форме образующихся клеточных скоплений на СИЭЛ 159–330 позволяет сократить время проведения экспериментов и материальные затраты, как в опытах с добавлением веществ, ускоряющих формирование сфероидов (МЦ и коллаген), так и в их отсутствие.</p></abstract><trans-abstract xml:lang="en"><p>Purpose of the study. To study the effect of SIEL 159–330 coating on the cell clusters formation rate in a hanging drop method in combination with the use of methylcellulose (MC) and collagen as cell aggregation improving agents.Materials and methods. BT20 breast cancer cells were cultured in drops of 20 μL (104  cells per drop) on the lid of a polystyrene Petri dish coated with SIEL 159–330 silicone elastomer (GNIIKHTEOS, Moscow, Russia) or without coating. The study tested three concentrations of MC (0.1 %, 0.25 % and 0.4 %) and collagen (150 µg/ml, 300 µg/ml and 600 µg/ml). The rate of formation of cell conglomerates was assessed by evaluating their area after 4, 24, 48, and 72 hours of cultivation.Results. The use of SIEL 159–330 coating made it possible to obtain spheroids of the same size as the addition of 0.4 % MC over a time interval of 72 hours. The silicone coating additionally reduced the size of cell spheroids in the medium with 0.1 % MC at all time points; however, this effect disappeared with increasing concentration of MC. In addition, the use of SIEL 159–330 reduced the relationship between the size of cellular spheroids and the concentration of MC, which allows us to consider the use of this coating as an alternative to MC or a way to reduce its concentration. In the experiment with the addition of collagen to the culture medium, the sizes of cell conglomerates formed on the silicone coating were significantly smaller than on uncoated plastic in all variants of the experiment and time points. The effect was more pronounced for a collagen concentration of 600 μg/ml. The use of SIEL 159–330 coating, in addition, reduced the variability in the size and shape of the resulting cell conglomerates.Conclusion. Accelerated aggregation of cells and fibers of the extracellular matrix in hanging drops, as well as a reduction in the variability in the size and shape of the resulting cell clusters on SIEL 159–330, allows us to reduce the time of experiments and material costs, as in experiments with the addition of substances that accelerate the formation of spheroids (MC and collagen), as well as in their absence.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трёхмерная клеточная культура</kwd><kwd>клеточный сфероид</kwd><kwd>метод висячей капли</kwd><kwd>метилцеллюлоза</kwd><kwd>коллаген</kwd><kwd>силиконовый эластомер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>3D cell culture</kwd><kwd>cell spheroid</kwd><kwd>hanging drop method</kwd><kwd>methylcellulose</kwd><kwd>collagen</kwd><kwd>silicone elastomer</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">Кит О. И., Шатова Ю. 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