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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">jofin</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал инфектологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Infectology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-6732</issn><publisher><publisher-name>IPO “АIDSSPbR"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22625/2072-6732-2022-14-2-139-145</article-id><article-id custom-type="elpub" pub-id-type="custom">jofin-1362</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>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Research</subject></subj-group></article-categories><title-group><article-title>Особенности реализации апоптоза CD4+ лимфоцитов у детей, больных криптоспоридиозом</article-title><trans-title-group xml:lang="en"><trans-title>Features of CD4+ lymphocytes apoptosis in children with cryptosporidiosis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Старикова</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Starikova</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старикова Елена Григорьевна – профессор кафедры биологии и генетики; д.м.н.; тел.: 8(3811)90-11-01 доб. 16-93</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">elena.g.starikova@yandex.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>Воронкова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronkova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронкова Ольга Владимировна – профессор кафедры биологии и генетики; д.м.н., доцент; тел.: 8 (3811)90-11-01 доб. 19-45</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">voronkova-ov@yandex.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>Шубина</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shubina</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шубина Наталья Ивановна – врач-инфекционист; тел.: 8(3822)90-73-62</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">natalya.i.shubina@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стариков</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Starikov</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стариков Юрий Витальевич – врач клинической лабораторной диагностики; к.м.н.; тел: +7-961-887-53-96</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">to-yuri@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Медицинская санитарная часть № 2</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Medical Unit № 2</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Томская областная клиническая больница</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk Regional Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2022</year></pub-date><volume>14</volume><issue>2</issue><fpage>138</fpage><lpage>144</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Старикова Е.Г., Воронкова О.В., Шубина Н.И., Стариков Ю.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Старикова Е.Г., Воронкова О.В., Шубина Н.И., Стариков Ю.В.</copyright-holder><copyright-holder xml:lang="en">Starikova E.G., Voronkova O.V., Shubina N.I., Starikov Y.V.</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://journal.niidi.ru/jofin/article/view/1362">https://journal.niidi.ru/jofin/article/view/1362</self-uri><abstract><sec><title>Цель</title><p>Цель: выявление особенностей апоптоза CD4+ лимфоцитов при криптоспоридиозе у детей.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: кал для выявления криптоспоридий и венозная кровь для изучения апоптоза лимфоцитов. Мононуклеарные лейкоциты выделяли из цельной венозной крови и культивировали в полной питательной среде. Клетки инкубировали в течение 24 ч с индукторами рецепторного и митохондриального путей апоптоза – TNFα и дексаметозоном.</p></sec><sec><title>Результаты</title><p>Результаты: криптоспоридии были обнаружены в 35% случаев острой кишечной инфекции у детей. Количество лимфоцитов с цитофлюриметрическими признаками апоптоза в группе криптоспоридиоз-позитивных пациентов не отличалось от такового у пациентов без криптоспоридиоза (р=0,421). Не было установлено межгрупповых различий в количестве CD4+лимфоцитов, экспрессирующих на своей поверхности Fas-рецептор (р=0,462). В культурах, инкубируемых в присутствии дексаметозона, было зарегистрировано снижение количества апоптотически измененных CD4+ лимфоцитов только в группе криптоспоридиозпозитивных пациентов (р=0,028).</p></sec><sec><title>Заключение</title><p>Заключение: в исследовании было показано, что при криптоспоридиозе изменяется чувствительность CD4+ клеток к индукции митохондриального пути апоптоза в пользу замедления указанного варианта клеточной гибели.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of this study was to identify the features of CD4+ lymphocytes apoptosis in children with cryptosporidiosis. Feces for the detection of cryptosporidium and venous blood for the study of lymphocytes apoptosis were the material of the study. Mononuclear leukocytes were isolated from venous whole blood and cultured in a complete culture medium. Cells were incubated for 24 hours with inducers of the receptor (TNFα) and mitochondrial pathways of apoptosis (dexamethasone).</p><p>Cryptosporidia have been found in 35% of acute intestinal infections in children. The number of lymphocytes with cytoflurimetric signs of apoptosis in the group of cryptosporidiosis-positive patients did not differ from that in patients without cryptosporidiosis (p=0.421). There were no intergroup differences in the number of CD4+ lymphocytes expressing the Fas receptor on their surface (p=0.462). In cultures incubated in the presence of dexamethasone, a decrease in the number of apoptotically altered CD4+ lymphocytes was registered only in the group of cryptosporidiosispositive patients (p=0.028).</p><p>The study showed that in cryptosporidiosis, the sensitivity of CD4+ cells to the induction of the mitochondrial pathway of apoptosis changes in favor of slowing down this variant of cell death.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>криптоспоридиоз</kwd><kwd>апоптоз</kwd><kwd>митоходриальный путь апоптоза</kwd><kwd>рецепторный путь апоптоза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cryptosporidiosis</kwd><kwd>apoptosis</kwd><kwd>mitochondrial pathway of apoptosis</kwd><kwd>receptor pathway of apoptosis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено на средства гранта Президента Российской Федерации для государственной поддержки молодых российских ученых (договор №14W01.17.3455-МД).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Старикова, Е.Г. 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