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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2025-393-04-40-45</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3571</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>ВЕТЕРИНАРИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Изучение влияния белкового экстракта Trichinella spiralis на гуморальный и клеточный иммунитет у мышей</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of Trichinella spiralis protein extract on humoral and cellular immunity in mice</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5306-7303</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коновалова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гелла Владимировна Коновалова, заведующая отделом</p><p>ул. Большая Черемушкинская, 28, Москва, 117218</p><p>Звенигородское шоссе, 5, Москва, 123022</p></bio><bio xml:lang="en"><p>Gella Vladimirovna Konovalova, Head of the Department</p><p>28 Bolshaya Cheremushkinskaya Str., Moscow, 117218</p><p>5 Zvenigorodskoe highway, Moscow, 123022</p></bio><email xlink:type="simple">g.konovalova@vgnki.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/0000-0003-2738-8853</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курочкина</surname><given-names>К. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurochkina</surname><given-names>K. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каринэ Гегамовна Курочкина, доктор ветеринарных наук</p><p>ул. Большая Черемушкинская, 28, Москва, 117218</p></bio><bio xml:lang="en"><p>Karine Gegamovna Kurochkina, Doctor of Veterinary Sciences</p><p>28 Bolshaya Cheremushkinskaya Str., Moscow, 117218</p></bio><email xlink:type="simple">kar.kur.49@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт фундаментальной и прикладной паразитологии животных и растений — филиал Федерального государственного бюджетного научного учреждения «Федеральный научный центр — Всероссийский научно-исследовательский институт экспериментальной ветеринарии им. К.И. Скрябина и Я.Р. Коваленко Российской академии наук ; Всероссийский государственный центр качества и стандартизации лекарственных средств для животных и кормов</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant — a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV” ; All-Russian State Center for Quality and Standardization of Medicines for Animals and Feed</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт фундаментальной и прикладной паразитологии животных и растений — филиал Федерального государственного бюджетного научного учреждения «Федеральный научный центр — Всероссийский научно-исследовательский институт экспериментальной ветеринарии им. К.И. Скрябина и Я.Р. Коваленко Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant — a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>04</month><year>2025</year></pub-date><volume>1</volume><issue>4</issue><fpage>40</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коновалова Г.В., Курочкина К.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Коновалова Г.В., Курочкина К.Г.</copyright-holder><copyright-holder xml:lang="en">Konovalova G.V., Kurochkina K.G.</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.vetpress.ru/jour/article/view/3571">https://www.vetpress.ru/jour/article/view/3571</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Настоящий опыт проводили на 113 мышах-самцах CBA × C57BL/6. Белковый экстракт T. spiralis вводили мышам однократно и шестикратно внутрибрюшинно в дозе 100 мкг/животное; личинки трихинелл вводили внутрижелудочно из расчета 10 личинок на 1 г. Иммунотропное действие оценивали на 8-е и 21-e сутки после однократного и последнего шестикратного введения экстракта. Влияние заражения T. spiralis и введения белкового экстракта на гуморальный иммунитет определяли в реакции гемагглютинации; клеточный иммунитет оценивали в реакции гиперчувствительности замедленного типа (ГЗТ) к эритроцитам барана (ЭБ). В одном варианте опыта (на 8-е сутки после однократного и последнего шестикратного введения белкового экстракта) проводили гистологическое исследование образцов органов (селезенки, тимуса, лимфатических узлов, печени), принимающих участие в функционировании иммунной системы.</p></sec><sec><title>Результаты</title><p>Результаты. Согласно результатам комплексной оценки гуморального и клеточного иммунитета с использованием специфических показателей и данных микроскопического анализа органов можно сделать вывод о иммуносупрессивном действии соматического экстракта трихинелл с наиболее выраженным влиянием в отношении клеточного иммунитета. Возможно, угнетение клеточного иммунного ответа связано с цитотоксическим действием экстракта T. spiralis на клетки, в том числе на клетки иммунной системы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The present experiment was performed on 113 CBA × C57BL/6 mice males. T. spiralis extract was administered to mice intraperitoneally once and six times at the dose level of 100 mkg/animal; Trichinella larvae were administered per os at the rate of 10 larvae per 1 g. The immunotropic effect was evaluated on the 8th and 21st days after a single and last six-fold administration of the extract. The effects on humoral immunity were determined in the hemagglutination reaction; cellular immunity was assessed in delayed-type hypersensitivity (DTH) reaction to sheep erythrocytes. In one variant of the experiment (on the 8th day after a single and last six-fold administration of the protein extract), a histological examination of samples of organs (spleen, thymus, lymph nodes, liver) involved in the functioning of the immune system was performed.</p></sec><sec><title>Results</title><p>Results. According to the results of comprehensive assessment of humoral and cellular immunity, using specific indices and microscopic analysis data, it can be concluded that Trichinella somatic extract showed immunosuppressive effect with the most pronounced effect on cellular immunity. It is possible that the suppression of cellular immune response is associated with cytotoxic effect of T. spiralis extract on cells, including those of immune system.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Trichinella spiralis</kwd><kwd>белковый экстракт T. spiralis</kwd><kwd>мыши</kwd><kwd>гуморальный иммунитет</kwd><kwd>клеточный иммунитет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Trichinella spiralis</kwd><kwd>T. spiralis extract</kwd><kwd>mice</kwd><kwd>humoral immunity</kwd><kwd>cellular immunity</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">Kang Y-J. etal. Thrichinella spiralis infection reduces tumor growth and metastasis of B16-F10 melanoma cells. Veterinary Parasitology. 2013; 196(1-2): 106-113. https://doi.org/10.1016/j.vetpar.2013.02.021</mixed-citation><mixed-citation xml:lang="en">Kang Y-J. et al. 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