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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">ymj</journal-id><journal-title-group><journal-title xml:lang="ru">Якутский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Yakut Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-1905</issn><issn pub-type="epub">2312-1017</issn><publisher><publisher-name>ЯНЦ КМП</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25789/YMJ.2023.81.06</article-id><article-id custom-type="elpub" pub-id-type="custom">ymj-106</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Изучение влияния различных способов криоконсервации на жизнеспособность ксенотрансплантатов опухолей желудочнокишечного тракта человека с использованием моделей in vivo</article-title><trans-title-group xml:lang="en"><trans-title>Study of the effects of various cryopreservation methods on viability of human gastrointestinal tumor xenografts in in vivo models</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Романова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Романова Мария Вадимовна – м.н.с.</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Romanova Maria Vadimovna – junior researcher</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">m.v.mindar@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончарова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гончарова Анна Сергеевна – к.б.н., зав. испытательным лабораторным центром</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Goncharova Anna Sergeevna – PhD in Biology, Head of Experimental Laboratory Center</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">fateeva_a_s@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Галина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Galina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галина Анастасия Владимировна – м.н.с.</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Galina Anastasia Vladimirovna – junior researcher</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">volkovaav58@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курбанова</surname><given-names>Л. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbanova</surname><given-names>L. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курбанова Луиза Зулкаидовна – м.н.с.</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Kurbanova Luiza Zulkaidovna – junior researcher</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">luizacurbanowa@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аллилуева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Allilueva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аллилуева Екатерина Владиславовна – м.н.с.</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Allilueva Ekaterina Vladislavovna – junior researcher</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">katherine_bio@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ходакова</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodakova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ходакова Дарья Владиславовна – м.н.с.</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Khodakova Daria Vladislavovna – junior researcher</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">coctail.moxuto@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусарева</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusareva</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусарева Марина Александровна – к.м.н., зав. отделением радиотерапии №1</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Gusareva Marina Aleksandrovna – PhD, Head of Department of Radiotherapy №1</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">onko-sekretar@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зинькович</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zinkovich</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зинькович Михаил Сергеевич – к.м.н., врач-радиотерапевт</p><p>г. Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Zinkovich Mikhail Sergeevich – PhD, radiotherapist, Department of Radiotherapy №1</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">onko-sekretar@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии» Минздрава России</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>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>25</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Романова М.В., Гончарова А.С., Галина А.В., Курбанова Л.З., Аллилуева Е.В., Ходакова Д.В., Гусарева М.А., Зинькович М.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Романова М.В., Гончарова А.С., Галина А.В., Курбанова Л.З., Аллилуева Е.В., Ходакова Д.В., Гусарева М.А., Зинькович М.С.</copyright-holder><copyright-holder xml:lang="en">Romanova M.V., Goncharova A.S., Galina A.V., Kurbanova L.Z., Allilueva E.V., Khodakova D.V., Gusareva M.A., Zinkovich M.S.</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://ymj.elpub.ru/jour/article/view/106">https://ymj.elpub.ru/jour/article/view/106</self-uri><abstract><p>Проведена оценка эффективности 3 протоколов криосохранения опухолевой ткани, полученной от пациентов со злокачественными образованиями желудочно-кишечного тракта: пищевода, желудка, толстого кишечника. Эксперимент выполняли на 90 мышах линии Balb/c Nude. Через 90 сут от момента заморозки опухолевых узлов образцы размораживали и имплантировали животным, отмечали количество прижившихся имплантатов и регистрировали начало роста опухолевых узлов у животных. Для криосохранения ксенографтов рака пищевода и толстой кишки человека возможно использование протестированных нами протоколов 2 и 3, где ключевой особенностью является медленное замораживание образцов. Для опухолевого материала желудка необходимо разрабатывать иные способы консервации ввиду низкой эффективности рассмотренных в работе способов.</p></abstract><trans-abstract xml:lang="en"><p>Background. Modern research requires access to tumor models for various types of studies on a single patient xenograft. Biobanks store tissue fragments and cell cultures for various studies, and it is necessary to form protocols for cryopreservation of various tumor fragments and create collections of biomaterial. Material and methods. The study was performed on tumor material from patients with malignant gastrointestinal tumors (esophagus, stomach, and colon). An experiment included 90 Balb/c Nude mice. The third generation of a PDX model was used for cryopreservation. The effectiveness of 3 protocols for cryopreservation of tumor tissue was evaluated using RPMI nutrient medium, fetal bovine serum (FBS), dimethyl sulfoxide (DMSO) and Mr. Frosty containers. 90 days after the freezing of the tumor nodes, the samples were thawed and implanted to animals; engraftment was noted, and the onset of tumor nodes in animals was recorded. At the end of the experiment, the data were analyzed statistically. Results. Protocol 1 was the least suitable for preserving fragments of esophageal, colon, and gastric tumors. Protocols 2 and 3 showed higher engraftment rates. The lowest engraftment rate was registered for reanimated gastric cancer PDXs. Conclusions. Protocols 2 and 3 with slow freezing of samples should be used for cryopreservation of human esophageal and colon cancer xenografts. Gastric cancer PDXs require other cryopreservation methods due to the low efficiency of the existing ones.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>криоконсервация</kwd><kwd>PDX</kwd><kwd>рак пищевода</kwd><kwd>рак желудка</kwd><kwd>рак толстой кишки</kwd><kwd>in vivo</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cryopreservation</kwd><kwd>PDX</kwd><kwd>esophageal cancer</kwd><kwd>stomach cancer</kwd><kwd>colon cancer</kwd><kwd>in vivo</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">Использование электронного архива результатов прижизненных патологоанатомических исследований, как инструмент внутреннего контроля качества кодирования по системе МКБ-О-3 (ICD-O), на примере анализа злокачественных новообразований желудка / О.И. 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