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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский иммунологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">16571</article-id><article-id pub-id-type="doi">10.46235/1028-7221-16571-CEO</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">COOPERATIVE EFFECTS OF SEX-STEROID HORMONES AND HORMONE-SPECIFIC ANTIIDIOTIPIC ANTIBODIES ON THE TUMOR PROLIFERATION IN BREAST CANCER PATIENTS</article-title><trans-title-group xml:lang="ru"><trans-title>КООПЕРАТИВНОЕ ВЛИЯНИЕ ПОЛОВЫХ СТЕРОИДНЫХ ГОРМОНОВ И ГОРМОН-СПЕЦИФИЧЕСКИХ АНТИИДИОТИПИЧЕСКИХ АНТИТЕЛ НА ПРОЛИФЕРАЦИЮ ОПУХОЛИ У БОЛЬНЫХ РАКОМ МОЛОЧНОЙ ЖЕЛЕЗЫ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8560-6719</contrib-id><contrib-id contrib-id-type="scopus">7006323832</contrib-id><contrib-id contrib-id-type="researcherid">Q-5985-2016</contrib-id><contrib-id contrib-id-type="spin">9536-8530</contrib-id><name-alternatives><name xml:lang="en"><surname>Glushkov</surname><given-names>Andrey N.</given-names></name><name xml:lang="ru"><surname>Глушков</surname><given-names>Андрей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>MD, Professor, Chief</italic><bold><italic> </italic></bold><italic>Researcher</italic><italic> of Immunogenetics Laboratory</italic></p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор, главный научный сотрудник лаборатории иммуногенетики</p></bio><email>glushkovan@ihe.sbras.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9368-2340</contrib-id><contrib-id contrib-id-type="scopus">6506567994</contrib-id><contrib-id contrib-id-type="researcherid">Q-5381-2016</contrib-id><contrib-id contrib-id-type="spin">3925-0185</contrib-id><name-alternatives><name xml:lang="en"><surname>Polenok</surname><given-names>Elena G.</given-names></name><name xml:lang="ru"><surname>Поленок</surname><given-names>Елена Геннадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Pharmacy), Leading Research Associate, Laboratory of Immunochemistry</p></bio><bio xml:lang="ru"><p>кандидат фармацевтических наук, ведущий научный сотрудник лаборатории иммунохимии</p></bio><email>egpolenok@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5870-7584</contrib-id><contrib-id contrib-id-type="scopus">14052058500</contrib-id><contrib-id contrib-id-type="researcherid">R-2781-2016</contrib-id><contrib-id contrib-id-type="spin">6662-4616</contrib-id><name-alternatives><name xml:lang="en"><surname>Gordeeva</surname><given-names>Lyudmila A.</given-names></name><name xml:lang="ru"><surname>Гордеева</surname><given-names>Людмила Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology),<italic> </italic>Leading Researcher of Immunogenetics Laboratory</p></bio><bio xml:lang="ru"><p>кандидат биологических наук, ведущий научный сотрудник лаборатории иммуногенетики</p></bio><email>gorsib@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0802-9759</contrib-id><name-alternatives><name xml:lang="en"><surname>Antonov</surname><given-names>Alexander V.</given-names></name><name xml:lang="ru"><surname>Антонов</surname><given-names>Александр Витальевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Chief, Breast Cancer Department</p></bio><bio xml:lang="ru"><p>заведующий отделением опухолей молочной железы </p></bio><email>al0412@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4649-5892</contrib-id><name-alternatives><name xml:lang="en"><surname>Bayramov</surname><given-names>Pavel V.</given-names></name><name xml:lang="ru"><surname>Байрамов</surname><given-names>Павел Валерьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Chief of</italic><italic> Pathologoanatomical Department</italic></p></bio><bio xml:lang="ru"><p>заведующий патологоанатомическим отделением</p></bio><email>bayramov_pavel82@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3860-825X</contrib-id><name-alternatives><name xml:lang="en"><surname>Verzhbitskaya</surname><given-names>Natalia E.</given-names></name><name xml:lang="ru"><surname>Вержбицкая</surname><given-names>Наталья Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>PhD (Candidate of Medicine),</italic><italic> pathologist </italic></p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, врач-патологоанатом </p></bio><email>verzhbitskaia@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5526-2687</contrib-id><contrib-id contrib-id-type="scopus">56677706300</contrib-id><contrib-id contrib-id-type="spin">6894-6419</contrib-id><name-alternatives><name xml:lang="en"><surname>Kolpinskiy</surname><given-names>Gleb I.</given-names></name><name xml:lang="ru"><surname>Колпинский</surname><given-names>Глеб Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Department of Radiology, Radiotherapy and Oncology; Main Physician</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор, профессор кафедры лучевой диагностики и лучевой терапии с курсом онкологии </p></bio><email>Glebss@mail.ru</email><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Human Ecology, Federal Research Center of Coal and Coal chemistry SB RAS</institution></aff><aff><institution xml:lang="ru">Институт экологии человека ФГБНУ «Федеральный исследовательский центр угля и углехимии Сибирского отделения Российской академии наук»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kuzbass Clinical Oncology Dispensary</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Кузбасский клинический онкологический диспансер имени М.С. Раппопорта»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Kemerovo State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Кемеровский государственный медицинский университет»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Kemerovo Clinical Diagnostic Сenter</institution></aff><aff><institution xml:lang="ru">ГАУЗ «Клинический консультативно-диагностический центр им. И.А. Колпинского»</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-03-18" publication-format="electronic"><day>18</day><month>03</month><year>2024</year></pub-date><history><date date-type="received" iso-8601-date="2024-02-06"><day>06</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-03-13"><day>13</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; , Glushkov A.N., Polenok E.G., Gordeeva L.A., Antonov A.V., Bayramov P.V., Verzhbitskaya N.E., Kolpinskiy G.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; , Глушков А.Н., Поленок Е.Г., Гордеева Л.А., Антонов А.В., Байрамов П.В., Вержбицкая Н.Е., Колпинский Г.И.</copyright-statement><copyright-holder xml:lang="en">Glushkov A.N., Polenok E.G., Gordeeva L.A., Antonov A.V., Bayramov P.V., Verzhbitskaya N.E., Kolpinskiy G.I.</copyright-holder><copyright-holder xml:lang="ru">Глушков А.Н., Поленок Е.Г., Гордеева Л.А., Антонов А.В., Байрамов П.В., Вержбицкая Н.Е., Колпинский Г.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rusimmun.ru/jour/article/view/16571">https://rusimmun.ru/jour/article/view/16571</self-uri><abstract xml:lang="en"><p>It is known that antibodies against steroid receptors acted as agonists or antagonists of steroid hormones and modulated their biological effects on target cells. Hypothetically antiidiotypic auto-antibodies specific to estradiol and progesterone (IgG<sub>2</sub>-E2 and IgG<sub>2</sub>-Pg), influence on tumor proliferation in breast cancer patients (BCP). Our study aimed to reveal the proposed associations between IgG<sub>2</sub>-E2, IgG<sub>2</sub>-Pg, E2 and Pg serum levels, on the one hand, and Ki-67 positive cells in tumor, on the other hand, in BCP. There were studied 430 BCP I stage and 477 BCP II–IV stages. The serum levels of antiidiotypic antibodies and steroid hormones were studied by the non-competitive and competitive ELISA technique. The marker of cell proliferation protein Ki-67 was studied by immunohystochemical method. The high existence of Ki-67 expressing cells in tumor (&gt;30%) was revealed in 46.4% BCP I stage with high E2 serum concentrations (&gt;200 pmol/L) and in 28.2% BCP with low E2 concentrations (≤200 pmol/L), p = 0.08. High Ki-67 tumor existence was found in 38.4% BCP I stage with high Pg concentrations (&gt;600 pmol/L) and in 23.2% BCP with low Pg concentrations (p = 0,003). Tumors with high Ki-67 existence were revealed in BCP I stage with together low E2 and Pg levels less often than in BCP with together high hormones levels (20.7% vs 42.5%, p&lt;0.001). High existence of Ki-67 positive cells in tumors were found in BCP II–IV stages with high IgG<sub>2</sub>-E2 levels (50.3%) or IgG<sub>2</sub>-Pg (49.2%) less often than in BCP with low levels of these antibodies (61.8% and 61.2%, accordingly, p = 0.02). These differences were more significantly between BCP II–IV stages with together high and together low IgG<sub>2</sub>-E2 and IgG<sub>2</sub>-Pg serum levels (44.5% vs 64.8%, p = 0.003). So, studied antiidiotypic auto-antibodies demonstrated the synergistic anti-proliferative effect on the breast cancer independent from serum sex steroid hormones.</p></abstract><trans-abstract xml:lang="ru"><p>Известно, что антитела против рецепторов стероидных гормонов действует как агонисты или антагонисты соответствующих гормонов и модулируют их биологические эффекты на клетки-мишени. Предположили, что антиидиотипические ауто-антитела, специфичные к эстрадиолу и прогестерону (IgG<sub>2</sub>-E2 и IgG<sub>2</sub>-Pg), влияют на пролиферативную активность опухоли у больных раком молочной железы (РМЖ). Цель исследования – выявить предполагаемые взаимосвязи между содержанием в сыворотке крови антиидиотипических ауто-антител, IgG<sub>2</sub>-E2 и IgG<sub>2</sub>-Pg, и стероидных гормонов, E2 и Pg, с одной стороны, и содержанием в опухоли Ki-67 положительных клеток, с другой стороны, у больных РМЖ. Было обследовано 430 больных РМЖ I стадии и 477 II–IV стадий. Содержание в сыворотке антиидиотипических антител и стероидных гормонов исследовали с помощью неконкурентного и конкурентного методов иммуноферментного анализа, соответственно. Содержание в опухоли маркера клеточной пролиферации протеина Ki-67 исследовали с помощью иммуногистохимического метода. Высокое содержание в опухоли Ki-67 экспрессирующих клеток (&gt;30%) обнаружено 46,4% у больных РМЖ I стадии с высокими концентрациями E2 (&gt;200 pmol/L) и у 28,1% больных с низкими концентрациями E2 (≤200 pmol/L), р = 0,08. У 38,4% больных РМЖ I стадии с высокими концентрациями Pg (&gt;600 pmol/L) и у 23,2% с низкими концентрациями Pg опухоли содержали &gt;30% Ki-67 положительных клеток (р = 0,003). У больных РМЖ I стадии с одновременно низкими уровнями E2 и Pg опухоли с высоким содержанием Ki-67 обнаруживались реже, чем у больных с одновременно высокими уровнями гормонов (20,7% против 42,5%, р&lt;0,001). У больных РМЖ со II–IV стадиями опухоли с высоким содержанием Ki-67 положительных клеток выявляли реже при высоких уровнях IgG<sub>2</sub>-E2 (50,3%) или IgG<sub>2</sub>-Pg (49,2%), чем при низких уровнях этих антител (61,8% и 61,2%, соответственно р = 0,02). При одновременно высоких уровнях IgG<sub>2</sub>-E2 и IgG<sub>2</sub>-Pg опухоли с высоким содержанием Ki-67 обнаруживали реже, чем у больных с одновременно низкими уровнями антител (44,5% против 64,8%, р = 0,003). Таким образом, исследованные антиидиотипические ауто-антитела обладали синергическим анти-пролиферативным действием на опухоли у больных РМЖ независимо от содержания в сыворотке половых стероидных гормонов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>antiidiotypic antibodies</kwd><kwd>auto-antibodies</kwd><kwd>estradiol</kwd><kwd>progesterone</kwd><kwd>Ki-67</kwd><kwd>breast cancer.</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>антиидиотипические антитела</kwd><kwd>ауто-антитела</kwd><kwd>эстрадиол</kwd><kwd>прогестерон</kwd><kwd>Ki-67</kwd><kwd>рак молочной железы.</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и образования Российской федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>проект АААА-А21-121011590009-9</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1.	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