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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2022-26-20-26</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-2842</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Иммунофенотипические особенности молекулярных подтипов рака молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Immunophenotypic features of molecular subtypes of breast cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4412-5019</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чулкова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chulkova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чулкова Светлана Васильевна, к. м. н., доцент, с. н. с. лаборатории иммунологии гемопоэза НИИ клинической онкологии; доцент кафедры онкологии и лучевой терапии</p><p>Москва</p></bio><bio xml:lang="en"><p>Chulkova Svetlana V., PhD Med, associate professor, senior researcher at Laboratory of Нaematopoiesis Immunology;  associate professor at Dept of Oncology and Radiotherapy of Medical Faculty</p><p>Moscow</p></bio><email xlink:type="simple">chulkova@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>Шолохова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sholokhova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шолохова Елена Николаевна, к. м. н., вед. н. с. лаборатории иммунологии гемопоэза НИИ клинической онкологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Sholokhova Elena N., PhD Med, leading researcher at Laboratory of Нaematopoiesis Immunology</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поддубная</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Poddubnaya</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поддубная Ирина Владимировна, д. м. н., проф., акад. РАН, проректор по лечебной работе и международному сотрудничеству, зав. кафедрой онкологии и паллиативной медицины</p><p>Москва</p></bio><bio xml:lang="en"><p>Poddubnaya Irina V., DM Sci (habil.), professor, academician of RAS, vice-rector for Clinical Work and International Cooperation, head of Dept of Oncology and Palliative Medicine</p><p>Moscow</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/0000-0001-7728-9533</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артамонова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Artamonova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артамонова Елена Владимировна, д. м. н., зав. отделением лекарственных методов лечения (химиотерапевтическое) № 1;  проф. кафедры онкологии и лучевой терапии</p><p>Москва</p></bio><bio xml:lang="en"><p>Artamonova Elena V., DM Sci (habil.), head of Dept of Chemotherapy No. 1; professor at Dept of Oncology and Radiotherapy of Medical Faculty</p><p>Moscow</p></bio><email xlink:type="simple">artamonovae@mail.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/0000-0001-8783-8874</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семьянихина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semyanikhina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семьянихина Александра Владимировна, к. м. н., доцент, н. с. лаборатории иммунологии гемопоэза НИИ клинической онкологии; ассистент кафедры онкогенетики ИВ и ДПО</p><p>Москва</p></bio><bio xml:lang="en"><p>Semyanikhina Alexandra V., PhD Med, associate professor, research scientist at Laboratory of Нaematopoiesis Immunology; assistant at Dept of Oncogenetics of Institute of Higher and Additional Professional Education</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0493-1166</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stylidi</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стилиди Иван Сократович, д. м. н., проф., акад. РАН, директор;  зав. кафедрой онкологии и лучевой терапии</p><p>Москва</p></bio><bio xml:lang="en"><p>Stilidi Ivan S., DM Sci (habil.), professor, academician of RAS, director; head of Dept of Oncology and Radiotherapy of Medical Faculty</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3966-128X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тупицын</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tupitsyn</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тупицын Николай Николаевич, д. м. н., проф., рук. лаборатории иммунологии гемопоэза НИИ клинической онкологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Tupitsyn Nikolai N., DM Sci (habil.), professor, head of Laboratory of Нaematopoiesis Immunology</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии имени Н. Н. Блохина» Минздрава России; ФГАОУ ВО «Российский национальный исследовательский медицинский университет имени Н. И. Пирогова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Centre of Oncology n. a. N. N. Blokhin; &#13;
Russian National Research Medical University n. a. N. I. Pirogov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии имени Н. Н. Блохина» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Centre of Oncology n. a. N. N. Blokhin</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Medical Academy for Continuing Professional Education</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии имени Н. Н. Блохина» Минздрава России; Институт высшего и дополнительного профессионального образования ФГБНУ «Медико-генетический научный центр имени академика Н. П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Centre of Oncology n. a. N. N. Blokhin; Medical and Genetic Research Centre n. a. academician N. P. Bochkov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии имени Н. Н. Блохина» Минздрава России; ФГАОУ ВО «Российский национальный исследовательский медицинский университет имени Н. И. Пирогова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Centre of Oncology n. a. N. N. Blokhin;&#13;
Russian National Research Medical University n. a. N. I. Pirogov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>23</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>26</issue><issue-title>Диагностика и онкотерапия (3)</issue-title><fpage>20</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чулкова С.В., Шолохова Е.Н., Поддубная И.В., Артамонова Е.В., Семьянихина А.В., Стилиди И.С., Тупицын Н.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Чулкова С.В., Шолохова Е.Н., Поддубная И.В., Артамонова Е.В., Семьянихина А.В., Стилиди И.С., Тупицын Н.Н.</copyright-holder><copyright-holder xml:lang="en">Chulkova S.V., Sholokhova E.N., Poddubnaya I.V., Artamonova E.V., Semyanikhina A.V., Stylidi I.S., Tupitsyn N.N.</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.med-alphabet.com/jour/article/view/2842">https://www.med-alphabet.com/jour/article/view/2842</self-uri><abstract><sec><title>Введение</title><p>Введение. В современной стратегии лечения рака активно и широко применяются иммунотропные препараты, при этом важное значение уделяется иммунологическим маркерам опухоли, которые ассоциированы с прогнозом заболевания и эффективностью лечения. В связи с чем изучение иммунофенотипа опухоли является одним из ведущих научных направлений. Особый интерес представляет изучение иммунофенотипических характеристик рака молочной железы в зависимости от его биологического подтипа.</p></sec><sec><title>Цель</title><p>Цель. Оценить частоту экспрессии молекул HLA-I, HLA-II, CD71, MUC1, Pgp170 клетками рака молочной железы и определить их взаимосвязь с молекулярно-биологическим подтипом опухоли.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В данную работу включены 120 больных раком молочной железы, которые получали лечение в НМИЦ онкологии имени Н. Н. Блохина. Преобладали II и III стадии опухоли – 56,7 и 33,4 % соответственно. Чаще отмечалась умеренная степень дифференцировки (G2). Люминальный подтип составил 58,3 % (n = 70), нелюминальный – 41,7 % (n = 50) случаев. Иммунофенотипирование первичной опухоли выполнено методом иммунофлюоресценции на криостатных срезах. Оценка реакции проводилась с помощью люминисцентного микроскопа Zeiss (Axioskop; Германия). Изучена частота экспрессии молекул HLA-I, HLA-II, CD71, MUC1, Pgp170 в зависимости от молекулярного подтипа рака молочной железы.</p></sec><sec><title>Результаты</title><p>Результаты. Отсутствие молекул главного комплекса гистосовместимости I и II класса на клетках рака молочной железы установлено в 89,6 % образцов. В 23,4 % случаев наблюдалась их мономорфная экспрессия. При люминальном подтипе несколько чаще экспрессировались молекулы HLA II класса: суммарно мозаичный и мономорфный типы реакции наблюдались в 30,5 % (20/65) случаев. При нелюминальном – 20,0 % (10/47) случаев. Частота экспрессии трансферринового рецептора значительно выше при люминальном подтипе, чем при нелюминальном – 85,9 % (n = 5) и 65,2 % (n = 30); р = 0,011. Клетки люминального рака молочной железы экспрессируют рецепторы трансферрина преимущественно мономорфно: 75,4 % (n = 49) против 43,5 % (n = 20) при нелюминальном подтипе; р = 0,003. Процент мономорфно экспрессирующих MUC 1 опухолей выше при люминальном раке: 83,3 % (n = 35) против 65 % (n = 26) при нелюминальном подтипе. Мономорфная экспрессия Pgp170 чаще отмечается при люминальном раке молочной железы.</p></sec><sec><title>Заключение</title><p>Заключение. Люминальный рак молочной железы характеризуется прогностически неблагоприятными иммунофенотипическими признаками. При люминальном подтипе чаще наблюдается экспрессия CD71, преимущественно мономорфная. При нелюминальном подтипе экспрессия Pgp170 наблюдается реже. Статистически значимых различий между молекулярными подтипами по уровню экспрессии молекул HLA I и II класса не выявлено.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Currently, immunotropic drugs are used in the modern strategy of cancer treatment. Importance is given to immunological markers of the tumor, which may be associated with the prognosis of the disease, the effectiveness of treatment. Therefore, the study of tumor immunophenotype is one of the leading scientific directions. Of particular interest is the study of the immunophenotypic characteristics of breast cancer depending on its biological subtype.</p></sec><sec><title>Purpose</title><p>Purpose. To evaluate the frequency of expression of HLA-I, HLA-II, CD71, MUC1, Pgp170 molecules by breast cancer cells and determine their relationship with the molecular biological subtype of the tumor.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. This study included 120 patients with breast cancer who received treatment at the National Medical Research Centre of Oncology n. a. N. N. Blokhin (Moscow, Russia). Tumor stages II and III prevailed: 56.7 % and 33.4 %, respectively. A moderate degree of differentiation (G2) was more often noted. The luminal subtype was 58.3 % (n = 70), non-luminal – in 41.7 % (n = 50). Immunophenotyping of the primary tumor was performed by immunofluorescence on cryostat sections. The reaction was evaluated using a Zeiss luminescent microscope (Axioskop, Germany). The frequency of expression of HLA-I and class II molecules was studied depending on the clinical and morphological characteristics of breast cancer. The frequency of expression of HLA-I, HLA-II, CD71, MUC1, Pgp170 molecules depending on the molecular subtype of breast cancer was studied.</p></sec><sec><title>Results</title><p>Results. The absence of molecules of the major histocompatibility complex of class I and II on breast cancer cells was found in 89.6 % of the samples. The monomorphic expression was observed in 23.4 % of cases. In the luminal subtype, HLA-II class molecules were expressed more often: in total, mosaic and monomorphic types of reactions were observed in 30.5 % (20/65) of cases. With non-luminal – 20.0 % (10/47) of cases. The frequency of expression of the transferrin receptor is significantly higher in the luminal subtype than in the non-luminal subtype: 85.9 % (n = 5) and 65.2 % (n = 30), p = 0.011. Luminal breast cancer cells express transferrin receptors predominantly monomorphically: 75.4 % (n = 49) vs 43.5 % (n = 20) in the non-luminal subtype, p = 0.003. The MUC 1 expressing monomorphically tumors is higher in luminal cancer: 83.3 % (n = 35) versus 65 % (n = 26) in the non-luminal subtype. Monomorphic expression of Pgp170 is more often observed in luminal breast cancer.</p></sec><sec><title>Conclusion</title><p>Conclusion. Luminal breast cancer is characterized by unfavorable prognostic immunophenotypic features. In the luminal subtype, expression of CD71 is more often observed, predominantly monomorphic. In the non-luminal subtype, expression of Pgp170 is observed less frequently. No statistically significant differences between the molecular subtypes in terms of the level of expression of HLA-I and class II molecules were found.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>иммунофенотипирование</kwd><kwd>иммунофлюоресценция</kwd><kwd>HLA-I</kwd><kwd>HLA-DR</kwd><kwd>MUC1</kwd><kwd>CD71</kwd><kwd>Pgp170</kwd><kwd>криостатные срезы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>immunophenotyping</kwd><kwd>HLA-I</kwd><kwd>HLA-DR</kwd><kwd>MUC1</kwd><kwd>CD71</kwd><kwd>Pgp170</kwd><kwd>immunofluorescence</kwd><kwd>cryostat sections</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">Hyuna Sung, Jacques Ferlay, Rebecca L. Siegel, Mathieu Laversanne, Isabelle Soerjomataram,; Ahmedin Jemal, Freddie Bray. 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