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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">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">111906</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2022-7-4-269-274</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Oncology and radiotherapy</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Онкология, лучевая терапия</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">Newly formated (tertiary) lymphoid structures in tumor growth</article-title><trans-title-group xml:lang="ru"><trans-title>Новообразованные (третичные) лимфоидные структуры при опухолевом росте</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0355-1399</contrib-id><name-alternatives><name xml:lang="en"><surname>Rustamkhanov</surname><given-names>Rasul A.</given-names></name><name xml:lang="ru"><surname>Рустамханов</surname><given-names>Расул Айдарович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>assistant of the Department of Oncology with the courses on oncology and pathological anatomy</p></bio><bio xml:lang="ru"><p>ассистент кафедры онкологии с курсами онкологии и патологической анатомии</p></bio><email>weather86@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9721-108X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kzyrgalin</surname><given-names>Shamil R.</given-names></name><name xml:lang="ru"><surname>Кзыргалин</surname><given-names>Шамиль Римович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor of the Department of Oncology with the courses on oncology and pathological anatomy</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент кафедры онкологии с курсами онкологии и патологической анатомии</p></bio><email>ufa.shamil@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0237-9064</contrib-id><name-alternatives><name xml:lang="en"><surname>Arybzhanov</surname><given-names>Dauranbek T.</given-names></name><name xml:lang="ru"><surname>Арыбжанов</surname><given-names>Дауранбек Турсункулович</given-names></name></name-alternatives><address><country country="KZ">Kazakhstan</country></address><bio xml:lang="en"><p>PhD, Associate professor of the Department of Surgical Disciplines</p></bio><bio xml:lang="ru"><p>канд. мед. наук, профессор, доцент кафедры хирургических дисциплин</p></bio><email>davran_a@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7562-5684</contrib-id><name-alternatives><name xml:lang="en"><surname>Gantsev</surname><given-names>Kamil Sh.</given-names></name><name xml:lang="ru"><surname>Ганцев</surname><given-names>Камиль Шамилевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Professor of the Department of Oncology with the courses on oncology and pathological anatomy</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор кафедры онкологии с курсами онкологии и патологической анатомии</p></bio><email>gantseff@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4069-6594</contrib-id><name-alternatives><name xml:lang="en"><surname>Tursumetov</surname><given-names>Davlat S.</given-names></name><name xml:lang="ru"><surname>Турсуметов</surname><given-names>Давлат Сайтмуратович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor of the Department of oncology with the courses on oncology and pathological anatomy</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент кафедры онкологии с курсами онкологии и патологической анатомии</p></bio><email>ufa.davlat@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2047-963X</contrib-id><name-alternatives><name xml:lang="en"><surname>Gantsev</surname><given-names>Shamil Kh.</given-names></name><name xml:lang="ru"><surname>Ганцев</surname><given-names>Шамиль Ханафиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Professor, Head of the Department of Oncology with the courses on oncology and pathological anatomy</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующий кафедрой онкологии с курсами онкологии и патологической анатомии</p></bio><email>prfg@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Bashkir State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Bashkir State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">South Kazakhstan Medical Academy</institution></aff><aff><institution xml:lang="ru">Южно-Казахстанская медицинская академия</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-02" publication-format="electronic"><day>02</day><month>12</month><year>2022</year></pub-date><volume>7</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>269</fpage><lpage>274</lpage><history><date date-type="received" iso-8601-date="2022-10-16"><day>16</day><month>10</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-11-11"><day>11</day><month>11</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Rustamkhanov R.A., Kzyrgalin S.R., Arybzhanov D.T., Gantsev K.S., Tursumetov D.S., Gantsev S.K.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Рустамханов Р.А., Кзыргалин Ш.Р., Арыбжанов Д.Т., Ганцев К.Ш., Турсуметов Д.С., Ганцев Ш.Х.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Rustamkhanov R.A., Kzyrgalin S.R., Arybzhanov D.T., Gantsev K.S., Tursumetov D.S., Gantsev S.K.</copyright-holder><copyright-holder xml:lang="ru">Рустамханов Р.А., Кзыргалин Ш.Р., Арыбжанов Д.Т., Ганцев К.Ш., Турсуметов Д.С., Ганцев Ш.Х.</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://innoscience.ru/2500-1388/article/view/111906">https://innoscience.ru/2500-1388/article/view/111906</self-uri><abstract xml:lang="en"><p><bold>Aim</bold> – to reproduce tertiary lymphoid structures and study their features in a malignant neoplasm in the experiment.</p> <p><bold>Material and methods.</bold> Male white rats of the Wistar stress-resistant line were inoculated with the tumor strain sarcoma M1. Using the methods of microsurgical preparation, color lymphography and ultrasonic sonolipodestruction we isolated the lymph nodes without metastatic lesions (described as secondary in normal anatomy), the lymph nodes with metastases of M1 sarcoma, and the newly formed nodes (extrauterine or tertiary). Lymph nodes were examined macroscopically, micromorphometric studies were performed, histological and immunohistochemical signs of tertiary lymph nodes were determined. The obtained data were subjected to statistical analysis.</p> <p><bold>Results. </bold>In 60% of rats, in the right axillary region, in addition to the secondary lymph nodes described in normal anatomy, the tertiary lymph nodes were found on the side of the tumor. They were located near the histologically verified metastatic lymph node. The studied parameters of the main structural and functional zones of the tertiary lymph nodes had the following features: the enlarged marginal sinuses; a fewer number of lymphoid follicles; the average total area of blood vessels increased by 92% in relation to the metastatic lymph nodes and by 78% in relation to the secondary lymph nodes. The significant differences were registered with CD3, CD4, CD20, CD30 markers.</p> <p><bold>Conclusion.</bold> The study proved the possibility of reproducing tertiary lymphoid nodes in the experiment with malignant growth and revealed a number of their features.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold> – воспроизвести третичные лимфоидные структуры и изучить их особенности при злокачественном новообразовании в эксперименте.</p> <p><bold>Материал и методы.</bold> Исследование было проведено на белых крысах – самцах стрессоустойчивой линии вистар, которым была проведена перевивка опухолевого штамма саркома М1. С использованием методов микрохирургического препарирования, цветной лимфографии и ультразвуковой сонолиподеструкции были выделены лимфатические узлы: лимфоузлы без метастатического поражения (в нормальной анатомии описываются как вторичные), лимфоузлы с метастазами саркомы М1 и вновь образованные (внеутробные, или третичные). Лимфатические узлы исследовались макроскопически, проведены микроморфометрические исследования, определены гистологические и иммуногистохимические признаки третичных лимфатических узлов. В результате полученных данных был проведен статистический анализ.</p> <p><bold>Результаты.</bold> В аксиллярной области с правой стороны у 60% крыс кроме вторичных лимфоузлов, описанных «в норме», со стороны опухоли были обнаружены третичные лимфатические узлы. Их расположение было рядом с гистологически верифицированным метастатическим лимфоузлом. В результате исследования основных структурно-функциональных зон третичных лимфатических узлов выявили некоторые различия: увеличение ширины краевых синусов; уменьшение числа лимфоидных фолликулов; увеличение средней суммарной площади кровеносных сосудов на 92% по отношению к лимфоузлам с метастазами и на 78% по отношению к вторичным лимфатическим узлам. По маркерам CD3, CD4, CD20, CD30 были выявлены достоверно значимые различия.</p> <p><bold>Заключение.</bold> Проведенное экспериментальное исследование доказало возможность воспроизведения третичных лимфоидных узлов в эксперименте при злокачественном росте и выявило ряд признаков третичных лимфатических узлов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>experimental study</kwd><kwd>tertiary lymph nodes</kwd><kwd>neolymphogenesis</kwd><kwd>sarcoma M1</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>экспериментальное исследование</kwd><kwd>третичные лимфатические узлы</kwd><kwd>неолимфогенез</kwd><kwd>саркома М1</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sautès-Fridman C, Cherfils-Vicini J, Damotte D, et al. Tumor microenvironment is multifaceted. 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