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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">vmireaviz</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник медицинского института «РЕАВИЗ». Реабилитация, Врач и Здоровье</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Medical Institute "REAVIZ" (REHABILITATION, DOCTOR AND HEALTH)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-762X</issn><issn pub-type="epub">2782-1579</issn><publisher><publisher-name>РЕАВИЗ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/vmi-rvz.2025.5.CLIN.1</article-id><article-id custom-type="elpub" pub-id-type="custom">vmireaviz-1400</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>Клиническая медицина</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Clinical medicine</subject></subj-group></article-categories><title-group><article-title>Агглютинация латексных микросфер как метод функциональной оценки иммунореактивности и дифференциации терапией-индуцированных гуморальных ответов</article-title><trans-title-group xml:lang="en"><trans-title>Latex Agglutination Enables Functional Assessment of Immune Activity and Differentiation of Therapy-Induced Humoral Responses</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4235-9452</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шанин</surname><given-names>Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shanin</surname><given-names>E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шанин Елена, д-р естественных наук, соучредитель и генеральный директор, ул. Жечка Карамфилова, д. 74, г. Бургас;</p><p>ректор филиала медицинского университета «Реавиз», бул. проф. Якимов, д. 1, г. Бургас</p></bio><bio xml:lang="en"><p>Elena Shanin, PhD (Dr. rer. nat. in Biochemistry), Co-founder and CEO, 74, Zhechka Karamfilova St., Burgas;</p><p>Rector, 1, Prof. Yakimov Blvd., Burgas</p></bio><email xlink:type="simple">elsshanin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-2262-3158</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брёкер</surname><given-names>Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Broecker</surname><given-names>F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Брёкер Феликс, д-р естественных наук, соучредитель и технический руководитель лаборатории,</p><p>ул. Жечка Карамфилова, д. 74, г. Бургас</p></bio><bio xml:lang="en"><p>Felix Broecker, PhD (Dr. rer. nat. in Biochemistry), MBA, Co-founder and CTO, </p><p>74, Zhechka Karamfilova St., Burgas</p></bio><email xlink:type="simple">felixbroecker@gmx.net</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-6433-0370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сизова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сизова Мария Владиславовна, проектный менеджер Лаборатории аналитических исследований и разработок, </p><p>ул. Чапаевская, д. 227, г. Самара, 443001</p></bio><bio xml:lang="en"><p>Mariya V. Sizova, Project Manager in Analytical Research and Development Laboratory,</p><p>227, Chapaevskaya St., Samara, 443001</p></bio><email xlink:type="simple">sizovamv8@ya.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0480-9627</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горбурнов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorburnov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбунов Николай Анатольевич, ассистент кафедры морфологии и патологии, </p><p>ул. Чапаевская, д. 227, г. Самара, 443001</p></bio><bio xml:lang="en"><p>Nikolay A. Gorbunov, Assistant at the Department of Morphology and Pathology, Head of the Laboratory for Development and Analytical Research,</p><p>227, Chapaevskaya St., Samara, 443001</p></bio><email xlink:type="simple">niko_gorbunov@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1350-0704</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Супильников</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Supil'nikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Супильников Алексей Александрович, канд. мед. наук, доцент, первый проректор по научной деятельности, </p><p>ул. Чапаевская, д. 227, г. Самара, 443001</p></bio><bio xml:lang="en"><p>Aleksey A. Supilnikov, Cand. Sci. (Med.), Associate Professor, First Vicerector for Scientific Activity, </p><p>227, Chapaevskaya St., Samara, 443001</p></bio><email xlink:type="simple">a.a.supilnikov@reaviz.online</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-2864-1250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лысова</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lysova</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лысова Анна Николаевна, канд. мед. наук, проректор по международному сотрудничеству и образованию, доцент кафедры акушерства и гинекологии, </p><p>ул. Чапаевская, д. 227, г. Самара, 443001</p></bio><bio xml:lang="en"><p>Anna N. Lysova, Cand. Sci. (Med.), Associate Professor, Vice-Rector for International Cooperation and Education,</p><p>227, Chapaevskaya St., Samara, 443001</p></bio><email xlink:type="simple">lysovaann@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4530-7527</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лысов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lysov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лысов Николай Александрович, д-р мед. наук, профессор, почетный работник высшего профессионального образования РФ, профессор кафедры хирургических болезней, </p><p>бул. проф. Якимов, д. 1, г. Бургас;</p><p>ул. Чапаевская, д. 227, г. Самара, 443001</p></bio><bio xml:lang="en"><p>Nikolay A. Lysov, Dr. Sci. (Med.), Honorary Worker of Higher Professional Education of the Russian Federation, Professor of the Department of Surgical Diseases, </p><p>1, Prof. Yakimov Blvd., Burgas;</p><p>227, Chapaevskaya St., Samara, 443001</p></bio><email xlink:type="simple">lysovn@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ОнкоВакс Тераностикс Лтд.;&#13;
Медицинский университет «Реавиз»<country>Болгария</country></aff><aff xml:lang="en">OncoVax Theranostics Ltd.;&#13;
Medical University "Reaviz"<country>Bulgaria</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ОнкоВакс Тераностикс Лтд.<country>Болгария</country></aff><aff xml:lang="en">OncoVax Theranostics Ltd.<country>Bulgaria</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Медицинский университет «Реавиз»<country>Россия</country></aff><aff xml:lang="en">Medical University "Reaviz"<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Медицинский университет «Реавиз», Болгария;&#13;
Медицинский университет «Реавиз», Россия<country>Россия</country></aff><aff xml:lang="en">Medical University "Reaviz", Bulgary;&#13;
Medical University "Reaviz", Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>01</month><year>2026</year></pub-date><volume>15</volume><issue>5</issue><fpage>14</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шанин Е., Брёкер Ф., Сизова М.В., Горбурнов Н.А., Супильников А.А., Лысова А.Н., Лысов Н.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шанин Е., Брёкер Ф., Сизова М.В., Горбурнов Н.А., Супильников А.А., Лысова А.Н., Лысов Н.А.</copyright-holder><copyright-holder xml:lang="en">Shanin E., Broecker F., Sizova M.V., Gorburnov N.A., Supil'nikov A.A., Lysova A.N., Lysov N.A.</copyright-holder><license 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://vestnik.reaviz.ru/jour/article/view/1400">https://vestnik.reaviz.ru/jour/article/view/1400</self-uri><abstract><p>Системная активация гуморального иммунитета наблюдается при злокачественных новообразованиях, аутоиммунных заболеваниях, инфекциях и во время беременности, однако её количественная оценка с помощью простых лабораторных методов остаётся затруднительной. Мы разработали быстрый и недорогой латекс-агглютинационный тест (ЛАТ) как антиген-независимый сенсор системной гуморальной активации. Метод основан на визуальной регистрации агглютинации непокрытых латексных микросфер диаметром 2 мкм сывороточными антителами и предоставляет полуколичественный титр (наибольшее разведение с видимой агглютинацией). Были исследованы сыворотки онкологических пациентов, беременных женщин и здоровых добровольцев. Непокрытые микросферы выявляли повышенную системную активность в отдельных группах: при раке молочной железы (n=11) у 73% пациентов сохранялись низкие титры (≤1:8), тогда как у 27% отмечался терапией-ассоциированный подъём до 1:64; у пациентов с HER2-позитивными опухолями фиксировались транзиторные или стойкие повышения на фоне таргетной терапии, а при лечении комбинацией ингибитора CDK4/6 и эндокринной терапии наблюдалось отсроченное нарастание. У беременных женщин регистрировались высокие титры (1:32–1:64), у здоровых добровольцев реакция отсутствовала. Эти данные указывают, что ЛАТ обеспечивая функциональную оценку степени «интенсивность иммунной активности» и позволяет отличать терапией-обусловленное усиление гуморального ответа, поддерживая использование теста как универсального серологического маркера, дополняющего антиген-специфические методы в клинической и исследовательской практике.</p></abstract><trans-abstract xml:lang="en"><p>Systemic activation of the humoral immune system occurs in malignancies, autoimmune diseases, infections, and pregnancy, yet its quantitative assessment with simple laboratory tools remains challenging. We developed a rapid, low-cost latex agglutination test (LAT) as an antigen-agnostic sensor of systemic humoral activation. The assay measures visual agglutination of uncoated 2-μm latex microspheres by serum antibodies and reports a semi-quantitative titer (highest dilution with visible agglutination). Sera from cancer patients, pregnant women, and healthy volunteers were tested. Uncoated beads revealed increased systemic activity in select groups: in breast cancer (n=11), 73% maintained low titers (≤1:8) while 27% showed therapy-associated rises up to 1:64; HER2-positive cases exhibited transient or sustained elevations during targeted therapy, and CDK4/6 plus endocrine therapy showed delayed increases. Pregnant women displayed high titers (1:32–1:64), and healthy volunteers were negative. These data indicate that LAT captures systemic activation and can distinguish therapy-associated increases, supporting its use as a universal serological marker that complements antigen-specific assays in clinical and research settings.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>латекс-агглютинационный тест [D007841]</kwd><kwd>гуморальный иммунитет [D056724]</kwd><kwd>аутоантитела [D001323]</kwd><kwd>системная активация иммунитета [D007107]</kwd><kwd>HER2-положительный рак молочной железы [D018719]</kwd><kwd>Breast Neoplasms [D001943]</kwd><kwd>ингибиторы контрольных точек [D000077594]</kwd><kwd>аутоиммунитет [D001327]</kwd><kwd>беременность [D011247]</kwd><kwd>серологическая диагностика [D012698]</kwd><kwd>иммунореактивность [D007159]</kwd></kwd-group><kwd-group xml:lang="en"><kwd>latex agglutination test / Latex Fixation Tests [D007841]</kwd><kwd>humoral immunity / Immunity</kwd><kwd>Humoral [D056724]</kwd><kwd>autoantibodies / Autoantibodies [D001323]</kwd><kwd>systemic immune activation / Immune System [D007107]</kwd><kwd>HER2-positive breast cancer / Receptor</kwd><kwd>ErbB-2 [D018719]</kwd><kwd>Breast Neoplasms [D001943]</kwd><kwd>checkpoint inhibitors / Immune Checkpoint Inhibitors [D000077594]</kwd><kwd>autoimmunity / Autoimmunity [D001327]</kwd><kwd>pregnancy / Pregnancy [D011247]</kwd><kwd>serological diagnosis / Serologic Tests [D012698]</kwd><kwd>immunoreactivity / Immunologic Tests [D007159]</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">SINGER JM, PLOTZ CM. 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