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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">27353</article-id><article-id pub-id-type="doi">10.32607/actanaturae.27353</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Abundance of Tumor-Infiltrating B Cells in Human Epithelial Malignancies</article-title><trans-title-group xml:lang="ru"><trans-title>Представленность опухоль-инфильтрирующих В-клеток в злокачественных эпителиальных опухолях человека</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrov</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Петров</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Malabuiok</surname><given-names>D. M.</given-names></name><name xml:lang="ru"><surname>Малабуйок</surname><given-names>Д. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zheng</surname><given-names>H.</given-names></name><name xml:lang="ru"><surname>Чжeнг</surname><given-names>Х.</given-names></name></name-alternatives><address><country country="CN">China</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mokrushina</surname><given-names>Yu. A.</given-names></name><name xml:lang="ru"><surname>Мокрушина</surname><given-names>Ю. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abrikosova</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Абрикосова</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuzmin</surname><given-names>Yu. B.</given-names></name><name xml:lang="ru"><surname>Кузьмин</surname><given-names>Ю. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tzarapaev</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Царапаев</surname><given-names>П. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kochkina</surname><given-names>S. O.</given-names></name><name xml:lang="ru"><surname>Кочкина</surname><given-names>С. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Eltsov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Ельцов</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Knorre</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Кнорре</surname><given-names>В. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Смирнов</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Terekhov</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Терехов</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mamedli</surname><given-names>Z. Z.</given-names></name><name xml:lang="ru"><surname>Мамедли</surname><given-names>З. З.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kushlinskii</surname><given-names>N. E.</given-names></name><name xml:lang="ru"><surname>Кушлинский</surname><given-names>Н. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rogozhin</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Рогожин</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matveev</surname><given-names>V. B.</given-names></name><name xml:lang="ru"><surname>Матвеев</surname><given-names>В. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kononets</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Кононец</surname><given-names>П. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Stilidi</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhang</surname><given-names>H.</given-names></name><name xml:lang="ru"><surname>Чжанг</surname><given-names>Х.</given-names></name></name-alternatives><address><country country="CN">China</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gabibov</surname><given-names>A. G.</given-names></name><name xml:lang="ru"><surname>Габибов</surname><given-names>А. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivansmr@inbox.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry</institution></aff><aff><institution xml:lang="ru">Государственный научный центр Российской Федерации Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><aff id="aff2"><institution>State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University</institution></aff><aff-alternatives id="aff3"><aff><institution xml:lang="en">Department of Chemistry, Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет имени М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Blokhin National Medical Research Center of Oncology</institution></aff><aff><institution xml:lang="ru">НМИЦ онкологии им. Н.Н. Блохина Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Endocrinology Research Center</institution></aff><aff><institution xml:lang="ru">НМИЦ эндокринологии Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-11-12" publication-format="electronic"><day>12</day><month>11</month><year>2024</year></pub-date><volume>16</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>67</fpage><lpage>73</lpage><history><date date-type="received" iso-8601-date="2023-12-13"><day>13</day><month>12</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-08-02"><day>02</day><month>08</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Petrov E.A., Malabuiok D.M., Zheng H., Mokrushina Y.A., Abrikosova V.A., Kuzmin Y.B., Tzarapaev P.V., Kochkina S.O., Eltsov I.V., Knorre V.D., Smirnov I.V., Terekhov S.S., Mamedli Z.Z., Kushlinskii N.E., Rogozhin D.V., Matveev V.B., Kononets P.V., Stilidi I.S., Zhang H., Gabibov A.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Петров Е.А., Малабуйок Д.М., Чжeнг Х., Мокрушина Ю.А., Абрикосова В.А., Кузьмин Ю.Б., Царапаев П.В., Кочкина С.О., Ельцов И.В., Кнорре В.Д., Смирнов И.В., Терехов С.С., Мамедли З.З., Кушлинский Н.Е., Рогожин Д.В., Матвеев В.Б., Кононец П.В., Стилиди И.С., Чжанг Х., Габибов А.Г.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Petrov E.A., Malabuiok D.M., Zheng H., Mokrushina Y.A., Abrikosova V.A., Kuzmin Y.B., Tzarapaev P.V., Kochkina S.O., Eltsov I.V., Knorre V.D., Smirnov I.V., Terekhov S.S., Mamedli Z.Z., Kushlinskii N.E., Rogozhin D.V., Matveev V.B., Kononets P.V., Stilidi I.S., Zhang H., Gabibov A.G.</copyright-holder><copyright-holder xml:lang="ru">Петров Е.А., Малабуйок Д.М., Чжeнг Х., Мокрушина Ю.А., Абрикосова В.А., Кузьмин Ю.Б., Царапаев П.В., Кочкина С.О., Ельцов И.В., Кнорре В.Д., Смирнов И.В., Терехов С.С., Мамедли З.З., Кушлинский Н.Е., Рогожин Д.В., Матвеев В.Б., Кононец П.В., Стилиди И.С., Чжанг Х., Габибов А.Г.</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://actanaturae.ru/2075-8251/article/view/27353">https://actanaturae.ru/2075-8251/article/view/27353</self-uri><abstract xml:lang="en"><p>Cancer is a major global health problem. The type of malignant neoplasm and the potency of the immune response against tumors are two of the key factors influencing the outcome of the disease. The degree of tumor infiltration by lymphocytes plays an important role in antitumor response development, generally correlating with a favorable prognosis of treatment for certain cancers. We analyzed the abundance of tumor-infiltrating B cells (TIBs) in solid tumors of different cancers. TIBs were shown to be more abundant in colon and sigmoid colon cancer samples compared with cecal, rectal, and kidney cancer samples. The median and interquartile range of the TIB fraction were 11.5% and 4–20% in colon cancer, 6% and 3–11% in sigmoid colon cancer, 2.7% and 0.7–3.7% in cecal cancer, 2.5% and 0.9–3.6% in rectal cancer, 1.4% and 1.0–2.3% in kidney cancer, and 3.0% and 1.8–12% in lung cancer, respectively. However, there were no significant differences in the abundance of TIBs among samples at different stages of the cancer. Hence, investigation of the B cell response in colon cancer is of particular interest, since increased quantities of TIBs may indicate the existence of immunogenic tumor markers or the cell-cell interactions involved in disease progression. We believe that studying the diversity of TIBs in colon cancer will increaseour understanding of the mechanisms of the disease, contributing to the identification of new molecular targets for targeted oncotherapy.</p></abstract><trans-abstract xml:lang="ru"><p>Онкологические заболевания остаются актуальной проблемой глобального здравоохранения. В число ключевых факторов, влияющих на течение заболевания, входят тип злокачественного новообразования и развитие иммунного ответа пациента на опухоль. Важную роль в формировании противоопухолевого ответа играет степень инфильтрации опухоли лимфоцитами, которая коррелирует с благоприятным прогнозом терапии определенных нозологических форм рака. Мы проанализировали представленность опухоль-инфильтрирующих В-клеток (TIB) в солидных опухолях различной нозологии. Показана повышенная представленность TIB в образцах рака ободочной и сигмовидной кишки по сравнению с образцами рака слепой и прямой кишки, а также рака почки. Медианные значения и интерквартильные интервалы доли TIB составляли соответственно 11.5%, 4–20% при раке ободочной кишки, 6%, 3–11% – раке сигмовидной кишки, 2.7%, 0.7–3.7% – раке слепой кишки, 2.5%, 0.9–3.6% – раке прямой кишки, 1.4%, 1.0–2.3% – раке почки и 3.0%, 1.8–12% – раке легкого. В то же время не выявлено достоверных отличий в представленности TIB в образцах рака разной стадии. Полученные результаты представляют особый интерес, указывая на высокий потенциал исследования рака ободочной кишки для поиска потенциальных онкомаркеров, а также изучения противоопухолевого ответа к обнаруженным онкомаркерам. Таким образом, дальнейшее изучение разнообразия TIB в злокачественных опухолях ободочной кишки позволит расширить наши знания о патогенезе и клиническом течении заболевания и будет способствовать идентификации новых молекулярных мишеней для направленной противоопухолевой терапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>tumor-infiltrating B cells</kwd><kwd>colorectal cancer</kwd><kwd>solid tumors</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>опухоль-инфильтрирующие В-клетки</kwd><kwd>колоректальный рак</kwd><kwd>солидные опухоли</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский Научный Фонд (грант)</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation (grand)</institution></institution-wrap></funding-source><award-id>23-44-00043</award-id></award-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Национальный фонд естественных наук Китая</institution></institution-wrap><institution-wrap><institution xml:lang="en">National Natural Science Foundation of China</institution></institution-wrap></funding-source><award-id>82261138553</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">World Health Organization. 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