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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-EOU-3022</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-3022</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>Оценка уровня CD163 в моче как биомаркера для диагностики волчаночного нефрита</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of urinary CD163 level as a biomarker for the diagnosis of lupus nephritis</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>Эйсса</surname><given-names>Самар Ахмед</given-names></name><name name-style="western" xml:lang="en"><surname>Eissa</surname><given-names>Samar Ahmed</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эйсса Самар Ахмед – д.м.н., преподаватель медицинской микробиологии и иммунологии, кафедра медицинской микробиологии и иммунологии медицинского факультета </p><p>Кафр-эль-Шейх</p></bio><bio xml:lang="en"><p>Eissa Samar Ahmed, PhD, MD (Medicine), Lecturer of Medical Microbiology and Immunology, Department of Medical Microbiology and Immunology, Faculty of Medicine </p><p>Kafr El-Sheikh</p></bio><email xlink:type="simple">asamar74@med.kfs.edu.eg</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>Кешк</surname><given-names>Рабаб Алаа Элдин</given-names></name><name name-style="western" xml:lang="en"><surname>Keshk</surname><given-names>Rabab Alaa Eldin</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кешк Рабаб Алаа Элдин – д.м.н., преподаватель внутренней медицины, отделение нефрологии внутренних болезней медицинского факультета </p><p>Танта</p></bio><bio xml:lang="en"><p>Keshk Rabab Alaa Eldin, PhD, MD (Medicine), Lecturer of Internal Medicine, Department of Internal Medicine Nephrology Unit, Faculty of Medicine</p><p>Tanta</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахмед</surname><given-names>Хебаталла Абд Эльмаксуд</given-names></name><name name-style="western" xml:lang="en"><surname>Ahmed</surname><given-names>Hebatalla Abd Elmaksoud</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ахмед Хебаталла Абд Эльмаксуд – д.м.н., преподаватель общественного здравоохранения и общественной медицины, кафедра общественного здравоохранения и общественной медицины </p><p>Кафр-эль-Шейх</p></bio><bio xml:lang="en"><p>Ahmed Hebatalla Abd Elmaksoud, PhD, MD (Medicine), Lecturer of Public Health and Community Medicine, Department of Public Health and Community Medicine, Faculty of Medicine,</p><p>Kafr El-Sheikh</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Салех</surname><given-names>Салли Али</given-names></name><name name-style="western" xml:lang="en"><surname>Saleh</surname><given-names>Sally Ali</given-names></name></name-alternatives><bio xml:lang="ru"><p>Салех Салли Али – д.м.н., преподаватель медицинской микробиологии и иммунологии, кафедра медицинской микробиологии и иммунологии </p><p>Кафр-эль-Шейх</p></bio><bio xml:lang="en"><p>Saleh Sally Ali, PhD, MD (Medicine), Lecturer of Medical Microbiology and Immunology, Department of Medical Microbiology and Immunology, Faculty of Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Кафр-эль-Шейха</institution><country>Египет</country></aff><aff xml:lang="en"><institution>Kafrelsheikh University</institution><country>Egypt</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Танта</institution><country>Египет</country></aff><aff xml:lang="en"><institution>Tanta University</institution><country>Egypt</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>04</day><month>10</month><year>2024</year></pub-date><volume>27</volume><issue>2</issue><fpage>335</fpage><lpage>342</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Эйсса С., Кешк Р., Ахмед Х., Салех С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Эйсса С., Кешк Р., Ахмед Х., Салех С.</copyright-holder><copyright-holder xml:lang="en">Eissa S., Keshk R., Ahmed H., Saleh S.</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.mimmun.ru/mimmun/article/view/3022">https://www.mimmun.ru/mimmun/article/view/3022</self-uri><abstract><p>Цель работы – оценить мочевой CD163 как возможный биомаркер, указывающий на активность волчаночного нефрита (ВН). Проведено ретроспективное срезовое исследование в группе из 68 пациентов с диагнозом «системная красная волчанка» (СКВ) в течение 1 года, с учетом различных стадий волчаночного нефрита (ВН). Среди пациентов были 38 случаев с активным ВН, 15 – с историей ВН в неактивной фазе и 15 – без поражения почек. В исследовании использовали индекс SLEDAI для классификации активности заболевания, при этом активная ВН определялась по конкретным параметрам мочи. Биопсия почек проводилась у лиц с активной болезнью, в соответствии с установленными критериями классификации. Комплексная клиническая оценка включала анализы крови, уровни белка в моче и измерение мочевого sCD163 с помощью ИФА. При статистическом анализе применяли SPSS, используя различные тесты для сравнения групп и оценки взаимосвязи между уровнями sCD163 в моче и клиническими характеристиками, устанавливая достоверное различие при p &lt; 0,05. Результаты исследования способствуют пониманию почечных проявлений при СКВ и потенциальной роли биомаркеров мочи в мониторинге прогрессии и активности заболевания. Были проанализированы лабораторные данные 68 участников с установлением корреляций между активным волчаночным нефритом (ВН), неактивным ВН и СКВ без поражения почек. Значимые корреляции (p &lt; 0,05) наблюдались по содержанию CD163, C3, C4, уровням гемоглобина, тромбоцитов, сывороточного креатинина, протеинурии и азота мочевины, в то время как количество лейкоцитов, сывороточный альбумин и СОЭ не показали значимой корреляции. Примечательно, что 98,5% пациентов имели антитела к ds-ДНК. Уровни sCD163 в моче были самыми высокими у пациентов с активной ВН. Линейная регрессия показала, что сывороточный альбумин и СОЭ в значительной мере предсказывали уровни sCD163 в моче. Оптимальное пороговое значение для sCD163 в моче для прогнозирования почечной активности составило &gt; 4,2 с чувствительностью 60,5% и специфичностью 66,7%. Однако уровни sCD163 не коррелировали с гистопатологией почек по принятой классификации. Внедрение определения sCD163 в моче в качестве биомаркера для оценки активности ЛН вместе с точной градацией по гистопатологическим классам нуждается в дальнейшей оценке. На данном этапе исследования sCD163 может быть хорошим показателем активности волчаночного нефрита. Однако sCD163 пока не может заменить биопсию почек при дифференциации ЛН по классам, поскольку она не обеспечивает достаточного понимания, необходимого для эффективного лечения ЛН.</p></abstract><trans-abstract xml:lang="en"><p>Aim of the work: to evaluate urinary CD163 as a possible biomarker indicating activity of lupus nephritis (LN). This retrospective, cross-sectional study evaluated 68 patients diagnosed with systemic lupus erythematosus (SLE) over a year, focusing on different states of lupus nephritis (LN). Participants included 38 with active LN, 15 with a history of LN in a non-active phase, and 15 without kidney involvement. The study utilized the SLEDAI index to classify disease activity, with active LN identified through specific urinary parameters. Renal biopsies were performed for those with active disease, following established classification criteria. Comprehensive assessments included blood tests, urinary protein levels, and measurement of urinary sCD163 using ELISA. Statistical analyses employed SPSS, utilizing various tests to compare groups and assess relationships between urinary sCD163 levels and clinical characteristics, establishing significance at p &lt; 0.05. The findings contribute to the understanding of renal manifestations in SLE and the potential role of urinary biomarkers in monitoring disease progression and activity. Laboratory data from 68 participants were analyzed, focusing on correlations among active LN, inactive LN, and SLE without renal involvement. Significant correlations (p &lt; 0.05) were observed in CD163, C3, C4, hemoglobin, platelets, serum creatinine, proteinuria, and BUN, while WBC count, serum albumin, and ESR showed no significant correlation. Notably, 98.5% of patients had positive anti-ds-DNA antibodies. Urinary sCD163 levels were highest in active LN patients. Linear regression showed that serum albumin and ESR significantly predicted urinary sCD163 levels. The optimal cut-off for urinary sCD163 to predict renal activity was &gt; 4.2, with 60.5% sensitivity and 66.7% specificity. However, sCD163 levels did not correlate with renal histopathological classifications. Integration of urinary sCD163 as a biological marker for evaluating the activity of LN together with accurately distinguishing between histopathological classes mostly needs to be further evaluated. To this point of the study, sCD163 can be a good indicator of LN activity, sCD163 still can’t substitute for renal biopsy in differentiation of LN classes as it would not provide the comprehensive understanding necessary for effective management of LN.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>системная красная волчанка</kwd><kwd>нефрит</kwd><kwd>CD163</kwd><kwd>биологический маркер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lupus</kwd><kwd>nephritis</kwd><kwd>CD163</kwd><kwd>biomarker</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">Alvarado A.S., Malvar A., Lococo B., Alberton V., Toniolo F., Nagaraja H.N., Rovin B.H. The value of repeat kidney biopsy in quiescent Argentinian lupus nephritis patients. 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