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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">Russian Journal of Infection and Immunity</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Infection and Immunity</journal-title><trans-title-group xml:lang="ru"><trans-title>Инфекция и иммунитет</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2220-7619</issn><issn publication-format="electronic">2313-7398</issn><publisher><publisher-name xml:lang="en">SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17607</article-id><article-id pub-id-type="doi">10.15789/2220-7619-RBT-17607</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ 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">Relationship between the outcomes of intensive phase therapy in patients with newly diagnosed infiltrative pulmonary tuberculosis and activity of purine metabolism enzymes as well as CD3+CD8+ lymphocyte level</article-title><trans-title-group xml:lang="ru"><trans-title>Связь исходов интенсивной фазы терапии у больных с впервые выявленным инфильтративным туберкулезом легких с активностью ферментов пуринового метаболизма и численностью популяции лимфоцитов CD3+CD8+</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dyakova</surname><given-names>M. Ye.</given-names></name><name xml:lang="ru"><surname>Дьякова</surname><given-names>М. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Biology), Senior Researcher, Department of Fundamental Medicine</p></bio><bio xml:lang="ru"><p>д.б.н., старший научный сотрудник отдела фундаментальной медицины</p></bio><email>marinadyakova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Serebryanaya</surname><given-names>N. B.</given-names></name><name xml:lang="ru"><surname>Серебряная</surname><given-names>Н. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Medicine), Professor, Head of the Laboratory of General Immunology, Department of General Pathology and Pathophysiology, Professor of the Department of Clinical Mycology, Allergology and Immunology</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, зав. лабораторией общей иммунологии отдела общей патологии и патофизиологии, профессор кафедры клинической микологии, аллергологии и иммунологии</p></bio><email>marinadyakova@yandex.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Esmedlyaeva</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Эсмедляева</surname><given-names>Д. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), Senior Researcher, Department of Fundamental Medicine</p></bio><bio xml:lang="ru"><p>к.б.н., старший научный сотрудник отдела фундаментальной медицины</p></bio><email>marinadyakova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yablonskiy</surname><given-names>P. K.</given-names></name><name xml:lang="ru"><surname>Яблонский</surname><given-names>П. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Medicine), Professor, Director, Vice-Rector for Medical Activities</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, директор, проректор по медицинской деятельности</p></bio><email>marinadyakova@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">St. Petersburg State Research Institute of Phthisiopulmonology</institution></aff><aff><institution xml:lang="ru">ФГБУ Санкт-Петербургский научно-исследовательский институт фтизиопульмонологии Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Experimental Medicine</institution></aff><aff><institution xml:lang="ru">ФГБНУ Институт экспериментальной медицины</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">I. Mechnikov North-Western State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО Северо-Западный государственный медицинский университет имени И.И. Мечникова Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">St. Petersburg University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО Санкт-Петербургский государственный университет</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-03-25" publication-format="electronic"><day>25</day><month>03</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-02-28" publication-format="electronic"><day>28</day><month>02</month><year>2024</year></pub-date><volume>14</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>77</fpage><lpage>85</lpage><history><date date-type="received" iso-8601-date="2024-02-22"><day>22</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-03-21"><day>21</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Dyakova M.Y., Serebryanaya N.B., Esmedlyaeva D.S., Yablonskiy P.K.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Дьякова М.Е., Серебряная Н.Б., Эсмедляева Д.С., Яблонский П.К.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Dyakova M.Y., Serebryanaya N.B., Esmedlyaeva D.S., Yablonskiy P.K.</copyright-holder><copyright-holder xml:lang="ru">Дьякова М.Е., Серебряная Н.Б., Эсмедляева Д.С., Яблонский П.К.</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://iimmun.ru/iimm/article/view/17607">https://iimmun.ru/iimm/article/view/17607</self-uri><abstract xml:lang="en"><p>Monitoring activity of inflammatory process and lymphocyte subsets can help assess the effectiveness of intensive phase therapy (IPT) already in the early stages of treatment. The goal is to evaluate changes in the concentration and activity of enzymes associated with purine metabolism and peripheral blood lymphocyte subset composition, and to determine their relationship with IPT effectiveness in patients with newly diagnosed infiltrative pulmonary tuberculosis (IPTb).</p> <p>Materials and methods. In 141 IPTb patients, the IPT data were presented as follows: “significant improvement” (SI) — disappearance of intoxication symptoms, abacillation, closure of decay cavities; “less pronounced improvement” (LMI) — eliminated symptoms of intoxication, abacillation, pronounced resorption of focal and infiltrative changes, reduction of decay cavities. We assessed the activity of adenosine deaminase in blood serum (eADA-1, 2), mononuclear cells and neutrophils, the concentration of blood serum ecto-5'-nucleotidase (eHT5E), CD26 (DPPV) in blood serum (s, soluble form) and mononuclear cells (m, membrane form), subpopulation composition.</p> <p>Results. Patients exhibit increased concentrations of eNT5E, mCD26 (DPPIV) and eADA-2 activity, and decreased intracellular ADA-1 activity. In the “LMI” group, after IPT, an increased sCD26 (DPPV) level was noted. The groups differed in lymphocyte counts and percentage of CD3<sup>+</sup>CD8<sup>+</sup> cells. eADA-2 activity was higher in the LMI group and increased after IPT, in contrast to comparison group. mCD26 (DPPIV) concentrations are higher in PD patients before therapy and after IPT.</p> <p>Conclusion. Thus, the outcome of IPT in IPTb patients is associated with altered T-lymphocyte populations and severity of the inflammatory process. Studying the activity of membrane and soluble eADA-2, CD26 (DPPIV) and percentage of CD3<sup>+</sup>CD8<sup>+</sup> T-lymphocytes in the early stages of therapy can provide the necessary information for correcting personalized pathogenetic therapy of patients with newly diagnosed IPTb.</p></abstract><trans-abstract xml:lang="ru"><p>Мониторинг активности воспалительного процесса, субпопуляций лимфоцитов может уже на ранних этапах лечения помочь оценить эффективность интенсивной фазы терапии (ИФТ). Цель исследования — определить связь изменения концентрации и активности ферментов, связанных с метаболизмом пуринов, и субпопуляционного состава лимфоцитов крови с эффективностью ИФТ у больных с впервые выявленным инфильтративным туберкулезом легких (ИТЛ).</p> <p><italic>Материалы и методы.</italic> У 141 обследованного больного с верифицированным диагнозом ИТЛ результаты ИФТ представлены в следующих градациях: «значительное улучшение» — исчезновение симптомов интоксикации, абациллирование, закрытие полостей распада; «менее выраженное улучшение» — ликвидация симптомов интоксикации, абациллирование, выраженное рассасывание очаговых и инфильтративных изменений, уменьшение полостей распада. Оценивали активность аденозиндезаминазы в сыворотке крови (eADA-1, 2), мононуклеарах и нейтрофилах, концентрацию экто-5'-нуклеотидазы (eNT5E) в сыворотке крови, CD26 (DPPIV) в сыворотке (s, растворимая форма) и мононуклеарах (m, мембранная форма), субпопуляционный состав лимфоцитов.</p> <p><italic>Результаты.</italic> У больных ИТЛ выявлено увеличение концентрации eNT5E, mCD26 (DPPIV), активности eADA-2 и напротив, снижение внутриклеточной активности ADA-1. В ходе ИФТ отмечалось повышение концентрации sCD26 (DPPIV) в группе «менее выраженное улучшение». Исследуемые группы различались по количеству лимфоцитов и доле CD3<sup>+</sup>CD8<sup>+</sup> лимфоцитов. Кроме того, активность eADA-2, более высокая у больных группы «менее выраженное улучшение», еще возросла после ИФТ, чего не наблюдалось у больных группы «значительное улучшение». Концентрация mCD26 (DPPIV) была выше у больных группы «значительное улучшение» до начала терапии, и, хотя в группе «менее выраженное улучшение» после ИФТ этот показатель увеличился, он все же оставался ниже, чем в группе сравнения.</p> <p><italic>Заключение.</italic> Таким образом, исход ИФТ у больных ИТЛ связан с распределением популяций Т-лимфоцитов в крови и изменением активности ферментов пуринового метаболизма. Исследование eADA-2, CD26 (DPPIV) в мембранной и растворимой формах и относительное количество CD3<sup>+</sup>CD8<sup>+</sup> Т-лимфоцитов в периферической крови на ранних этапах терапии может дать необходимую информацию для коррекции персонализированной патогенетической терапии больных впервые выявленным ИТЛ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>purine metabolism enzymes</kwd><kwd>lymphocyte population</kwd><kwd>the outcomes of therapy</kwd><kwd>tuberculosis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ферменты пуринового метаболизма</kwd><kwd>популяции лимфоцитов</kwd><kwd>исходы терапии</kwd><kwd>туберкулез</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Багишева Н.В., Мордык А.В., Гольтяпин В.В. Прогнозирование результатов лечения туберкулеза у пациентов с хронической обструктивной болезнью легких // Медицинский Альянс. 2019. Т. 7, № 1. С. 13–19. [Bagisheva N., Mordyk A., Goltyapin V. 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