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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">fcmedicine</journal-id><journal-title-group><journal-title xml:lang="ru">Фундаментальная и клиническая медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Fundamental and Clinical Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2500-0764</issn><issn pub-type="epub">2542-0941</issn><publisher><publisher-name>КемГМУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23946/2500-0764-2023-8-3-8-17</article-id><article-id custom-type="elpub" pub-id-type="custom">fcmedicine-750</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 СТАТЬИ</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>Ki-67, ER и PR в опухоли и антитела к эстрадиолу и прогестерону в сыворотке крови больных раком молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Tumor Ki-67, ER and PR, and antibodies against estradiol and progesterone in breast cancer patients</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8560-6719</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глушков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Glushkov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глушков Андрей Николаевич - доктор медицинских наук, профессор, главный научный сотрудник лаборатории иммуногенетики.</p><p>650065, Кемерово, пр-т Ленинградский, д. 10</p></bio><bio xml:lang="en"><p>Andrey N. Glushkov - MD, DSc, Professor, Chief Researcher, Laboratory of Immunogenetics, Institute of Human Ecology, Federal Research Center of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences.</p><p>10, Leningradskiy Avenue, Kemerovo, 650065</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/0000-0002-9368-2340</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поленок</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Polenok</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поленок Елена Геннадьевна - кандидат фармацевтических наук, ведущий научный сотрудник лаборатории иммунохимии.</p><p>650065, Кемерово, пр-т Ленинградский, д. 10</p></bio><bio xml:lang="en"><p>Elena G. Polenok - PhD, Leading Researcher, Laboratory of Immunogenetics, Institute of Human Ecology, Federal Research Center of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences.</p><p>10, Leningradskiy Avenue, Kemerovo, 650065</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/0000-0002-5530-3469</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мун</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mun</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мун Стелла Андреевна - кандидат медицинских наук, доцент, старший научный сотрудник лаборатории иммуногенетики.</p><p>650065, Кемерово, пр-т Ленинградский, д. 10</p></bio><bio xml:lang="en"><p>Stella A. Mun - MD, PhD, Senior Researcher, Laboratory of Immunogenetics, Institute of Human Ecology, Federal Research Center of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences.</p><p>10, Leningradskiy Avenue, Kemerovo, 650065</p></bio><email xlink:type="simple">stellamun@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/0000-0001-5870-7584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордеева</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordeeva</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гордеева Людмила Александровна - кандидат биологических наук, ведущий научный сотрудник лаборатории иммуногенетики.</p><p>650065, Кемерово, Ленинградский пр-т, д. 10</p></bio><bio xml:lang="en"><p>Lyudmila A. Gordeeva - PhD, Leading Researcher, Laboratory of Immunogenetics, Institute of Human Ecology, Federal Research Center of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences.</p><p>10, Leningradskiy Avenue, Kemerovo, 650065</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/0000-0003-0053-1752</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костянко</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyanko</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Костянко Михаил Владимирович - ведущий инженер кафедры органической химии Института фундаментальных наук.</p><p>650000, Кемерово, ул. Красная, д. 6</p></bio><bio xml:lang="en"><p>Mikhail V. Kostyanko - Leading Engineer, Department of Organic Chemistry, Institute of Basic Sciences, Kemerovo State University.</p><p>6, Krasnaya Street, Kemerovo, 650000</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0802-9759</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антонов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонов Александр Витальевич - заведующий онкологическим отделением №5.</p><p>650036, Кемерово, ул. Волгоградская, д. 35</p></bio><bio xml:lang="en"><p>Alexander V. Antonov - MD, Chief of Oncology Unit #5, Kuzbass Clinical Oncology Dispensary.</p><p>35, Volgogradskaya Street, Kemerovo, 650036</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4649-5892</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Байрамов</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bayramov</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Байрамов Павел Валерьевич - заведующий патологоанатомическим отделением.</p><p>650036, Кемерово, ул. Волгоградская, д. 35</p></bio><bio xml:lang="en"><p>Pavel V. Bayramov - MD, Chief of Pathology Unit, Kuzbass Clinical Oncology Dispensary.</p><p>35, Volgogradskaya Street, Kemerovo, 650036</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3860-825X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вержбицкая</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Verzhbitskaya</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вержбицкая Наталья Евгеньевна - кандидат медицинских наук, врач-патологоанатом патологоанатомического отделения.</p><p>650036, Кемерово, ул. Волгоградская, д. 35</p></bio><bio xml:lang="en"><p>Natalia E. Verzhbitskaya - MD, PhD, Pathologist, Pathology Unit, Kuzbass Clinical Oncology Dispensary.</p><p>35, Volgogradskaya Street, Kemerovo, 650036</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5526-2687</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колпинский</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolpinskiy</surname><given-names>G. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колпинский Глеб Иванович - доктор медицинских наук, профессор кафедры онкологии, лучевой диагностики и лучевой терапии ФГБОУ ВО «КемГМУ»; главный врач ГАУЗ «ККДЦ им. И.А. Колпинского».</p><p>650056, Кемерово, ул. Ворошилова, д. 22а; 650066, Кемерово, Октябрьский пр-т, д. 53/1</p></bio><bio xml:lang="en"><p>Gleb I. Kolpinskiy - MD, DSc, Professor, Department of Radiology, Radiotherapy and Oncology, Kemerovo State Medical University; Chief Physician, Clinical Consulting and Diagnostic Center.</p><p>22a, Voroshilova Street, Kemerovo, 650056; 53/1, Oktyabrskiy Avenue, Kemerovo, 650066</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт экологии человека Федерального исследовательского центра угля и углехимии СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Human Ecology, Federal Research Center of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Кемеровский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kemerovo State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ «Кузбасский клинический онкологический диспансер им. М.С. Раппопорта»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kuzbass Clinical Oncological Dispensary</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБОУ ВО «Кемеровский государственный медицинский университет»; ГАУЗ «Клинический консультативно-диагностический центр им. И.А. Колпинского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kemerovo State Medical University; Clinical Consulting and Diagnostic Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2023</year></pub-date><volume>8</volume><issue>3</issue><fpage>8</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Глушков А.Н., Поленок Е.Г., Мун С.А., Гордеева Л.А., Костянко М.В., Антонов А.В., Байрамов П.В., Вержбицкая Н.Е., Колпинский Г.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Глушков А.Н., Поленок Е.Г., Мун С.А., Гордеева Л.А., Костянко М.В., Антонов А.В., Байрамов П.В., Вержбицкая Н.Е., Колпинский Г.И.</copyright-holder><copyright-holder xml:lang="en">Glushkov A.N., Polenok E.G., Mun S.A., Gordeeva L.A., Kostyanko M.V., Antonov A.V., Bayramov P.V., Verzhbitskaya N.E., Kolpinskiy G.I.</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://fcm.kemsmu.ru/jour/article/view/750">https://fcm.kemsmu.ru/jour/article/view/750</self-uri><abstract><sec><title>Цель</title><p>Цель. Выявить предполагаемые ассоциации маркера клеточной пролиферации Ki-67 в ER+/PR+ и ER-/PR- опухолях с индивидуальными соотношениями антител класса А против эстрадиола и прогестерона (IgA1-E2/IgA1-Pg)  в сыворотке крови больных раком молочной железы (РМЖ).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Антитела против стероидных гормонов исследовали в сыворотке крови 432 здоровых женщин, 573 больных РМЖ I стадии и 639 больных РМЖ II–IV стадий с помощью ELISA. Ki-67, ER и PR в опухолях определяли иммуногистохимическим методом. Концентрацию эстрадиола и прогестерона в сыворотке крови измеряли с помощью конкурентного иммуноферментного анализа.</p></sec><sec><title>Результаты</title><p>Результаты. У  здоровых  женщин  низкие   значения   IgA1-E2/IgA1-Pg≤1 обнаружены в 49,3% случаев, а высокие (&gt; 1) – в 50,7%. У больных РМЖ I стадии с низким содержанием в опухоли Ki-67 &lt; 14 низкие значения IgA1-E2/ IgA1-Pg ≤ 1 выявлены в 25,7%, а высокие – в 74,3% (р &lt; 0,001; OR = 0,4 и OR = 2,8, соответственно). У больных РМЖ с высоким содержанием в опухоли Ki-67 &gt; 30 IgA1-E2/IgA1-Pg ≤ 1 обнаружены в 17,1%, а IgA1-E2/IgA1-Pg &gt; 1 в 82,9% (р &lt; 0,001; OR = 0,2 и OR = 4,7, соответственно). Различия между больными с низким и высоким содержанием в опухоли Ki-67 по удельному весу низких и высоких соотношений IgA1-E2/IgA1-Pg были статистически значимыми (р = 0,03). У больных РМЖ I стадией с ER+/PR+ опухолями и низким содержанием Ki-67 &lt; 14 низкие значения IgA1-E2/IgA1-Pg ≤ 1 встречались в 25,0%, а высокие – 75,0% (р &lt; 0,001; OR = 0,3 и OR = 2,9, соответственно). У больных с ER+/PR+ опухолями и высоким содержанием Ki-67&gt;30 IgA1-E2/IgA1-Pg ≤ 1 обнаружены в 12,9%, а IgA1-E2/IgA1-Pg &gt; 1 в 87,1% (р &lt; 0,001; OR = 0,2 и OR = 6,6 соответственно). В этом случае различия между больными с Ki-67 &lt; 14 и Ki-67 &gt; 30 по удельному весу низких и высоких соотношений IgA1-E2/IgA1-Pg были более значимыми (р = 0,009). У больных РМЖ I стадии с ER-/PR- опухолями с Ki-67 &lt; 14 и Ki-67 &gt; 30 различия по удельному весу низких и высоких соотношений IgA1-E2/IgA1-Pg были не достоверными (р = 0,42). Удельный вес больных РМЖ с Ki-67 &lt; 14 опухоли снижался, а Ki-67 &gt; 30 возрастал при II–IV стадиях по сравнению с I стадией независимо от соотношений исследуемых антител.</p></sec><sec><title>Заключение</title><p>Заключение. Индивидуальные соотношения IgA1-E2/IgA1-Pg могут служить предикторами пролиферативной активности опухоли у больных ER+/PR+ РМЖ I стадии.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To investigate the associations of cell proliferation marker Ki-67 in estrogen receptor (ER) and progesterone receptor (PR) positive (ER+/ PR+) and negative (ER-/PR-) tumors with the ratio of antibodies against estradiol and progesterone (IgA1-E2/IgA1-Pg) in the serum of breast cancer (BC) patients.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. Antibodies against steroid hormones were analyzed by ELISA in the serum of 432 healthy women and 1212 patients with BC (573 patients with I stage and 639 patients with II–IV stages). Expression of Ki-67, ER and PR in tumors was determined by immunohistochemical staining. Serum estradiol and progesterone were measured by enzyme-linked immunosorbent assay.</p></sec><sec><title>Results</title><p>Results. In total, low IgA1-E2/IgA1-Pg (≤ 1) and high IgA1-E2/IgA1-Pg (&gt; 1) ratio were revealed in 49.3% and 50.7% of healthy women; in 25.7% and 74.3% of stage I BC patients with tumor Ki-67 &lt; 14 (р &lt; 0.001; OR = 0.4 and OR = 2.8, respectively), and in 17.1% and 82.9% of stage I BC patients with tumor Ki-67 &gt; 30 (р &lt; 0.001; OR = 0.2 and OR = 4.7, respectively). The differences between patients with low and high tumor Ki-67 levels in relation to low and high IgA1-E2/IgA1-Pg ratio were statistically significant (p = 0.03). In stage I BC patients with ER+/PR+ and tumors with Ki-67 &lt; 14, low and high IgA1-E2/IgA1-Pg ratio were found in 25.0% and 75.0% cases (р &lt; 0.001; OR = 0.3 and OR = 2.9, respectively). In stage I BC patients with ER+/PR+ and tumors with Ki-67 &gt; 30, low and high IgA1-E2/IgA1-Pg ratio were found in 12.9% and 87.1% cases (р &lt; 0.001; OR = 0.2 and OR = 6.6, respectively). In patients with ER+/PR+ tumors, the differences between patients with low and high tumor Ki-67 levels in relation to low and high IgA1-E2/IgA1-Pg ratio were also statistically significant (p = 0.009). In patients with ER-/PR- tumors, the differences between patients with low and high Ki-67 levels in relation to low and high IgA1-E2/IgA1-Pg ratio were not revealed. The proportion of breast cancer patients with tumor Ki-67 &gt; 30 increased from I to II–IV BC stages regardless of IgA1-E2/IgA1-Pg ratio.</p></sec><sec><title>Conclusion</title><p>Conclusion. IgA1-E2/IgA1-Pg ratio may serve as a predictor of tumor proliferative activity in stage I BC patients with ER+/PR+ tumors.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>антитела</kwd><kwd>эстрадиол</kwd><kwd>прогестерон</kwd><kwd>рецепторы</kwd><kwd>Ki-67</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>antibodies</kwd><kwd>estradiol</kwd><kwd>progesterone</kwd><kwd>estrogen receptor</kwd><kwd>progesterone receptor</kwd><kwd>Ki-67</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Министерство науки и образования Российской федерации по государственному заданию № 0286-2022-0008 (проект VI.59.1.1 Программы фундаментальных научных исследований СО РАН). Авторы благодарят академика Л.И. Иванову за поддержку выбранного направления исследований, а также сотрудников лаборатории иммунохимии Института экологии человека ФИЦ УУХ СО РАН Аносову Т.П., Аносова М.П., Гурова Е.А., Чернокульскую К.С. за техническую поддержку настоящей работы.</funding-statement><funding-statement xml:lang="en">Ministry of Science and Education of the Russian Federation, state task No. 0286-2022-0008 (project VI.59.1.1 of the Program of Basic Research SB RAS). 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