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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">nid</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология и диализ</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology and Dialysis</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1680-4422</issn><issn pub-type="epub">2618-9801</issn><publisher><publisher-name>Российское диализное общество</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.28996/2618-9801-2022-1-72-81</article-id><article-id custom-type="elpub" pub-id-type="custom">nid-58</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Функциональный профиль γδТ-лимфоцитов у пациентов с IgA-нефропатией</article-title><trans-title-group xml:lang="en"><trans-title>The function profile of γδТ-lymphocytes in patients with IgA-nephropathy</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>Нижегородова</surname><given-names>Д. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Nizheharodava</surname><given-names>D. .</given-names></name></name-alternatives><email xlink:type="simple">nzh@tut.by</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>Комиссаров</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Komissarov</surname><given-names>K. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Минченко</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Minchenko</surname><given-names>E. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Адамович</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Adamovich</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пилотович</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pilotovich</surname><given-names>V. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зафранская</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zafranskaya</surname><given-names>M. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусская медицинская академия последипломного образования; Белорусский государственный университет, МГЭИ им. А. Д. Сахарова БГУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belarusian Medical Academy of Post-Graduate Education; International Sakharov Environmental Institute, Belarusian State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусская медицинская академия последипломного образования; Минский научно-практический центр хирургии, трансплантологии и гематологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belarusian Medical Academy of Post-Graduate Education; Minsk Scientific and Practical Center of Surgery, Transplantology and Hematology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Учреждение здравоохранения «1-я Городская клиническая больница» г Минска</institution><country>Россия</country></aff><aff xml:lang="en"><institution>1st City Clinical Hospital Minsk</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Белорусская медицинская академия последипломного образования</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belarusian Medical Academy of Post-Graduate Education</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>06</month><year>2024</year></pub-date><volume>24</volume><issue>1</issue><fpage>72</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нижегородова Д.Б., Комиссаров К.С., Минченко Е.И., Адамович А.Ю., Пилотович В.С., Зафранская М.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Нижегородова Д.Б., Комиссаров К.С., Минченко Е.И., Адамович А.Ю., Пилотович В.С., Зафранская М.М.</copyright-holder><copyright-holder xml:lang="en">Nizheharodava D..., Komissarov K..., Minchenko E..., Adamovich A..., Pilotovich V..., Zafranskaya M...</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.nephro.ru/jour/article/view/58">https://journal.nephro.ru/jour/article/view/58</self-uri><abstract><p>Актуальной задачей современной нефрологии и иммунологии является идентификация новых биомаркеров, которые можно использовать в качестве потенциальных ключевых патогенетических мишеней для мониторинга и прогнозирования эффективного лечения IgA-нефропатии. Принимая во внимание, что роль В-лимфоцитов и хелперных популяций αβТ-клеток в иммунопатогенезе IgA-нефропатии достаточно хорошо изучена, перспективным направлением является исследование механизмов вовлечения популяции неклассических γδТ-лимфоцитов, эффекторная роль которых продемонстрирована при многих аутоиммунных заболеваниях. Целью работы явилась оценка фенотипических и функциональных особенностей γδT-лимфоцитов в периферической крови у пациентов с IgA-нефропатией. Материалы и методы исследования. Материалом исследования явилась периферическая венозная кровь 27 пациентов с диагнозом IgA-нефропатия, который подтверждали гистологическим исследованием биоптатов с использованием Оксфордской классификации (MEST-C). Идентификацию фенотипических и функциональных маркеров лимфоидных клеток периферической крови осуществляли методом проточной цитометрии. Статистическую обработку данных проводили в программе Statistica 8.0. Результаты. У пациентов с IgA-нефропатией установлено увеличение количества γδТ-лимфоцитов (p&lt;0,01) с преимущественным цитотоксическим CD8+CD56+CD314+ фенотипом в сочетании с увеличением процента эффекторных γδТ-клеток памяти (p&lt;0,05) в периферической крови относительно группы сравнения. При этом экспрессия киллерного рецептора CD314 на γδТ-клетках обратно пропорционально коррелировала со скоростью клубочковой фильтрации ниже 60 мл/мин (R= -0,62, p&lt;0,01). Показано, что преимущественно у пациентов с высоким уровнем протеинурии (&gt;500 мг/сутки) количество эффекторных γδТ-клеток памяти превышало аналогичный показатель в группе пациентов с низким риском прогрессирования снижения почечной функции (p&lt;0,05) и коррелировало с тяжестью морфологического повреждения почечной ткани, в частности, мезангиальной пролиферацией (R=0,60; p&lt;0,01) и сегментарным гломерулосклерозом (R=0,61; p&lt;0,01). Заключение. Функциональный профиль циркулирующих γδТ-лимфоцитов может быть использован в качестве биомаркера высокого риска прогрессирования IgA-нефропатии, а сами клетки представляют собой терапевтическую мишень для последующей разработки методов специфической иммунокоррегирующей терапии болезни.</p></abstract><trans-abstract xml:lang="en"><p>An actual challenge of current nephrology and immunology is the identification of new biomarkers that can be used as the potential key pathogenetic targets for monitoring, predicting, and effective treatment of IgA-nephropathy. The role of B-lymphocytes and αβТ-helpers in IgA-nephropathy immunopathogenesis is well studied. A promising direction is the investigation of mechanisms of non-classical γδТ-lymphocytes involvement, the effector role of which has been demonstrated in many autoimmune diseases. The aim of the work was to assess the phenotypic and functional characteristics of γδT-lymphocytes in the peripheral blood of patients with IgA-nephropathy. Materials and methods. The material of the study was the peripheral venous blood of 27 patients with IgA-nephropathy, which was confirmed by histological examination of biopsies using the Oxford classification (MEST-C). Phenotypic and functional markers of peripheral blood lymphoid cells were identified by the flow cytometry method. The data were processed using the Statistica 8.0 software. Results. The increase in the γδT-lymphocytes number (p&lt;0.01) with a predominant cytotoxic CD8+CD56+CD314+ phenotype was established in association with the expansion of effector memory γδT-cells percentage (p&lt;0.05) in peripheral blood of patients with IgA-nephropathy compared with healthy donors. The level of the killer receptor CD314 expression on γδT-cells correlated with the glomerular filtration rate under 60 ml/min (R= -0.62, p&lt;0.01). It was shown that predominantly in patients with a high level of proteinuria (&gt;500 mg/day) the number of effector memory γδT-cells exceeded their number in the group of patients with a low risk of progressive decline in renal function (p&lt;0.05) and correlated with the severity of renal tissue morphological damage, in particular, mesangial proliferation (R=0.60; p&lt;0.01) and segmental glomerulosclerosis (R=0.61; p&lt;0.01). Conclusion. The functional profile of γδТ-lymphocytes can be used as a biomarker of the high risk of IgA-nephropathy progression as well as a therapeutic target for the subsequent development of specific immune-correction therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>IgA-нефропатия</kwd><kwd>гломерулонефрит</kwd><kwd>γδТ-лимфоциты</kwd><kwd>проточная цитофлуориметрия</kwd><kwd>диагностика</kwd><kwd>патогенез</kwd><kwd>иммунология</kwd><kwd>IgA-nephropathy</kwd><kwd>glomerulonephritis</kwd><kwd>γδT-lymphocytes</kwd><kwd>flow cytometry</kwd><kwd>diagnostics</kwd><kwd>pathogenesis</kwd><kwd>immunology</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">Berger J., Hinglais N. Les dépôts intercapillaires d’IgA-IgG. J. Urol. Nephrol. 1968; 74: 694-695. PMID: 4180586.</mixed-citation><mixed-citation xml:lang="en">Berger J., Hinglais N. Les dépôts intercapillaires d’IgA-IgG. J. 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