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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2023-22-6-111-120</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-2841</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>ЛАБОРАТОРНЫЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LABORATORY AND EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Использование ксеногенных тестикулярных антигенов в индукции противоопухолевых реакций</article-title><trans-title-group xml:lang="en"><trans-title>The use of xenogenic testicular antigens for induction of antitumor reactions</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8072-6255</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Селедцова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Seledtsova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Селедцова Галина Викторовна - доктор медицинских наук, главный научный сотрудник, </p><p>630099, г. Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Galina V. Seledtsova - MD, DSc, Chief Researcher, </p><p>14, Yadrintsevskaya St., Novosibirsk, 630099</p></bio><email xlink:type="simple">galina-seledtsova@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/0000-0002-7109-4687</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Доржиева</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Dorzhieva</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доржиева Аяна Баяровна - аспирант, </p><p>630099, г. Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Ayana B. Dorzhieva - Postgraduate, </p><p>14, Yadrintsevskaya St., Novosibirsk, 630099</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/0000-0003-1435-2616</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванова</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванова Ирина Петровна - кандидат медицинских наук, старший научный сотрудник, </p><p>630099, г. Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Irina P. Ivanova - MD, PhD, Senior Researcher, </p><p>14, Yadrintsevskaya St., Novosibirsk, 630099</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/0000-0002-4746-8853</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Селедцов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Seledtsov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Селедцов Виктор Иванович, доктор медицинских наук, главный научный сотрудник, </p><p>117593, г. Москва, Литовский бульвар, 1А</p></bio><bio xml:lang="en"><p>Viktor I. Seledtsov - MD, DSc, Chief Researcher,</p><p>1A, Litovsky Blvd., Moscow, 117593</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт фундаментальной и клинической иммунологии»<country>Россия</country></aff><aff xml:lang="en">Research Institute of Fundamental and Clinical Immunology<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГБНУЗ «Центральная клиническая больница РАН»<country>Россия</country></aff><aff xml:lang="en">Central Clinical Hospital of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>03</day><month>01</month><year>2024</year></pub-date><volume>22</volume><issue>6</issue><fpage>111</fpage><lpage>120</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Селедцова Г.В., Доржиева А.Б., Иванова И.П., Селедцов В.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Селедцова Г.В., Доржиева А.Б., Иванова И.П., Селедцов В.И.</copyright-holder><copyright-holder xml:lang="en">Seledtsova G.V., Dorzhieva A.B., Ivanova I.P., Seledtsov V.I.</copyright-holder><license 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.siboncoj.ru/jour/article/view/2841">https://www.siboncoj.ru/jour/article/view/2841</self-uri><abstract><p>Тестикулярные антигены (ТАГ) в норме экспрессируются только клетками тканей яичка и плаценты, иммунная система организма человека толерантна к ТАГ, но при нарушении целостности оболочек яичка эти антигены (АГ), попадая в кровоток, индуцируют в организме появление аутоиммунных реакций, направленных на элиминацию их из организма. При развитии онкологического процесса ТАГ начинают экспрессироваться клетками опухолей печени, молочной железы, поджелудочной железы, кишечника, легкого, поэтому индукция иммунологического распознавания этих АГ может сопровождаться формированием противоопухолевых реакций в организме. Для повышения иммуногенности ТАГ в работе мы использовали ксеногенный ТАГ, полученный из тестикул барана. Использование бараньих ТАГ оправдано тем фактом, что ТАГ ‒ эволюционно консервативные молекулы, следствием этого является высокая степень гомологии между дифференцировочными антигенами человека и животных.</p><p>Цель исследования ‒ оценка продолжительности жизни мышей-опухоленосителей и параметров клеточного иммунитета при различных вариантах иммунизации мышей ТАГ барана.</p><sec><title>Материал и методы</title><p>Материал и методы. Исследование выполнено на мышах С57BL/6. Эффективность терапевтической или профилактической вакцинации ксеногенными (по отношению к мышам) бараньими ТАГ исследовали по изменению продолжительности жизни мышей-опухоленосителей меланомы В16 и карциномы LLC. Формирование иммунных реакций оценивали по пролиферативной способности спленоцитов отвечать на вакцинальные и контрольные АГ (набор MTT-assay kit (cell proliferation), Abcam) и по продукции ими IFN-gamma и IL-10 (ELISA с помощью наборов компании Cloud-Clone Corp.).</p></sec><sec><title>Результаты</title><p>Результаты. В модели карциномы LLC при профилактическом варианте вакцинации продолжительность жизни мышей с сингенным вариантом вакцинации не отличалась от опухолевого контроля, а при ксеногенном варианте вакцинации увеличилась на 60 %. При терапевтическом варианте вакцинации достоверных отличий в продолжительности жизни вакцинированных мышей обнаружено не было. Выявлено достоверное увеличение пролиферативной активности спленоцитов в ответ на опухолевые АГ в условиях предварительно вакцинированных ксеногенным ТАГ как у опухоленосителей LLC, так и у носителей В16. В условиях ксеногенной вакцинации у опухоленосителей В16 и LLC зафиксирована повышенная продукция спленоцитами IFN-gamma. Продукция IFN-gamma спленоцитами контрольных опухолевых мышей и в сингенном варианте вакцинации не различалась. Отмечено также достоверное снижение продукции IL-10 в ксеногенном варианте предварительной иммунизации.</p></sec></abstract><trans-abstract xml:lang="en"><p>Testicular antigens (TAGs) are normally expressed only by cells of testicular and placental tissues. Human immune system is tolerant to TAG, but if the integrity of the testicular membranes is disrupted, these antigens, entering the bloodstream, induce autoimmune reactions for eliminating them from the body. In malignancy, TAGs begin to be expressed by tumor cells of the liver, breast, pancreas, intestine, and lung. Immunological recognition of these AGs leads to autoimmune reactions against these AGs, i.e. antitumor reactions in the body. We used xenogenic TAGs derived from ram testis to increase TAG immunogenicity. The use of ram TAGs is justified by the fact that TAGs are evolutionarily conserved molecules and there is a high degree of homology between human and animal TAGs.</p><p>The purpose of the study was to evaluate the lifespan of tumor-bearing mice and parameters of cellular immunity in various options for immunizing mice with ram TAGs.</p><sec><title>Material and Methods</title><p>Material and Methods. C57BL/6 mice were used. The efficacy of therapeutic or prophylactic vaccination with xenogenic TAGs was studied by changing lifespan of B16 and LLC tumor-bearing mice. Formation of immune responses was evaluated by proliferative ability of splenocytes to respond to vaccination and control AGs and by their production of IFN-gamma and IL-10.</p></sec><sec><title>Results</title><p>Results. In the LLC carcinoma model with a preventive vaccination option, the lifespan of mice with syngeneic vaccination did not differ from the tumor control; the lifespan of mice with xenogeneic vaccination increased by 60%. In therapeutic vaccination option, no significant differences in lifespan of vaccinated mice were found. A significant increase in the proliferative activity of splenocytes in response to tumor AGs was found in both LLC- and B16 tumor-bearing mice previously vaccinated with xenogenic TAGs. The increased IFN-gamma production by splenocytes was observed in B16 and LLC tumorbearing mice with xenogeneic vaccination. The IFN-gamma production by splenocytes in tumor-bearing mice with syngeneic vaccination was not increased. A significant decrease in IL-10 production was noted in mice with xenogeneic vaccination.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>тестикулярный антиген</kwd><kwd>противоопухолевый иммунитет</kwd><kwd>ксеногенная вакцинация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Testicular antigen</kwd><kwd>antitumor immunity</kwd><kwd>xenogenic vaccination</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">Christof T., Baritaki S., Falzone L., Libra M., Zaravinos A. Current Perspectives in Cancer Immunotherapy. Cancers (Basel). 2019; 11(10): 1472. doi: 10.3390/cancers11101472.</mixed-citation><mixed-citation xml:lang="en">Christof T., Baritaki S., Falzone L., Libra M., Zaravinos A. Current Perspectives in Cancer Immunotherapy. 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