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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">nodgo</journal-id><journal-title-group><journal-title xml:lang="ru">Российский журнал детской гематологии и онкологии (РЖДГиО)</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Pediatric Hematology and Oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2311-1267</issn><issn pub-type="epub">2413-5496</issn><publisher><publisher-name>LTD “Graphica”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21682/2311-1267-2021-8-2-35-41</article-id><article-id custom-type="elpub" pub-id-type="custom">nodgo-730</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 STUDIES</subject></subj-group></article-categories><title-group><article-title>Мультимерный анализ фактора Виллебранда: новые диагностические возможности</article-title><trans-title-group xml:lang="en"><trans-title>Von Willebrand factor multimeric assay: novel diagnostics capabilities</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5209-2099</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полетаев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Poletaev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полетаев Александр Владимирович - заведующий лабораторией клинического гемостаза НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p><p>Web of Science ResearcherID: AAW-9954-2020</p></bio><bio xml:lang="en"><p>Head of the Laboratory of Clinical Hemostasis Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p><p>Web of Science ResearcherID: AAW-9954-2020</p></bio><email xlink:type="simple">poletaev_alexandr@mail.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/0000-0002-7534-3863</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Серёгина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Seregina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научный сотрудник лаборатории клинического гемостаза НМИЦ ДГОИ им. Дмитрия Рогачева, стажер-исследователь Центра теоретических проблем физико-химической фармакологии.</p><p>117198, Москва, ул. Саморы Машела, 1; 109029, Москва, ул. Средняя Калитниковская, 30</p><p>Web of Science ResearcherID: A-7499-2014</p></bio><bio xml:lang="en"><p>Research Associate Laboratory of Clinical Hemostasis of Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia, Research Assistant Center for Theoretical Problems of Physicochemical Pharmacology of the Russian Academy of Sciences.</p><p>1 Samory Mashela St., Moscow, 117198; 30 Srednyaya Kalitnikovskaya St., Moscow, 109029.</p><p>Web of Science ResearcherID: A-7499-2014</p></bio><email xlink:type="simple">elsereg@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2057-2036</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пшонкин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pshonkin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, заведующий стационаром кратковременного лечения НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p><p>SPlN-код: 6270-4864</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Head of the Hospital for Short-Term Treatment at the Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p><p>SPIN-code: 6270-4864</p></bio><email xlink:type="simple">Alexey.Pshonkin@fccho-moscow.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/0000-0002-9865-527X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карамян</surname><given-names>Н. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Karamyan</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, врач клинической лабораторной диагностики НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Doctor of Clinical Laboratory Diagnoctics of Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p></bio><email xlink:type="simple">natalia.karamyan@fccho-moscow.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/0000-0003-4567-1871</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фёдорова</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, врач-педиатр, врач-гематолог консультативного отделения, младший научный сотрудник группы исследования гемостаза НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Hematologist of Outpatient Consultative Unit, Research Associate of Hemostasis Research Group at Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p></bio><email xlink:type="simple">darya.v.fedorova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4503-0735</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плясунова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Plyasunova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, заведующая клинико-диагностической лабораторией НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Head of the Clinical Diagnostic Laboratory Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p></bio><email xlink:type="simple">Svetlana.Plyasunova@fccho-moscow.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/0000-0003-4384-6754</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жарков</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zharkov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор медицинских наук, врач-педиатр, врач-гематолог консультативного отделения, руководитель группы исследования гемостаза НМИЦ ДГОИ им. Дмитрия Рогачева.</p><p>117198, Москва, ул. Саморы Машела, 1.</p><p>Web of Science ResearcherID: AAP-9203-2020</p></bio><bio xml:lang="en"><p>Dr. of Sci. (Med.), Pediatrician, Hematologist Outpatient Consultative Unit, Head of the Hemostasis Research Group of Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology, Immunology, Ministry of Health of Russia.</p><p>1 Samory Mashela St., Moscow, 117198.</p><p>Web of Science ResearcherID: AAP-9203-2020</p></bio><email xlink:type="simple">pavel.zharkov@fccho-moscow.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии имени Дмитрия Рогачева Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии имени Дмитрия Рогачева Минздрава России; Центр теоретических проблем физико-химической фармакологии Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia; Center for Theoretical Problems of Physicochemical Pharmacology of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>12</day><month>07</month><year>2021</year></pub-date><volume>8</volume><issue>2</issue><fpage>35</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Полетаев А.В., Серёгина Е.А., Пшонкин А.В., Карамян Н.A., Фёдорова Д.В., Плясунова С.А., Жарков П.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Полетаев А.В., Серёгина Е.А., Пшонкин А.В., Карамян Н.A., Фёдорова Д.В., Плясунова С.А., Жарков П.А.</copyright-holder><copyright-holder xml:lang="en">Poletaev A.V., Seregina E.A., Pshonkin A.V., Karamyan N.A., Fedorova D.V., Plyasunova S.A., Zharkov P.A.</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.nodgo.org/jour/article/view/730">https://journal.nodgo.org/jour/article/view/730</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Мультимерный анализ (МА) является важнейшим инструментом в диагностике болезни Виллебранда (БВ). Существующие методики МА являются сложными, не стандартизованными, занимают много времени.</p><p>Цель исследования — оценить диагностические возможности автоматизированного метода МА фактора фон Виллебранда (vWF).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследованы образцы плазмы здоровых Добровольцев, а также пациентов с установленным типом БВ и приобретенным синдромом Виллебранда (СВ). Для постановки типа БВ выполнялись следующие лабораторные тесты: антиген vWF; ристоцетин-кофакторная активность vWF; коллаген-связывающая активность vWF; тест ристоцетин-индуцированной агрегации тромбоцитов; активность фактора VIII, фактор VIII-связывающая и коллаген-связывающая способности vWF. МА проводился с использованием набора HYDRAGEL 5 von Willebrand Multimers на автоматическом анализаторе Hydrasys 2. Интерпретация распределения мультимеров vWF в геле проводилась визуально: выявлялись высокомолекулярные, промежуточные и низкомолекулярные формы.</p></sec><sec><title>Результаты</title><p>Результаты. У здоровых добровольцев было выявлено 9—12 протомеров с нормальным распределением, аналогичным контролям. У пациентов с 1-м типом БВ наблюдалось относительное уменьшение интенсивности мультимерных полос с сохранением их нормального распределения. У пациентов с 3-м типом БВ отмечалось полное отсутствие мультимерного сигнала на геле. У пациентов с 2А типом отсутствовали высоко- и среднемолекулярные мультимеры; у пациентов с 2М и 2N типами БВ на фоне измененных функциональных свойств vWF распределение мультимеров соответствовало нормальному. У большинства пациентов с СВ не выявлено нарушения распределения мультимеров, однако у части больных наблюдались изменения в виде некоторого снижения больших мультимерных форм в фореграмме.</p></sec><sec><title>Выводы</title><p>Выводы. МА позволил визуализировать различные типы БВ, метод удобен в применении и может быть использован для определения подтипа болезни. Однако только полная панель тестов позволит с высокой точностью типировать БВ.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Distinguishing between Von Willebrand disease (vWD) types often requires multimer gel analysis. The current techniques for vWF multimer structure are manual, complicated, non-standardized and time consuming. The aim of this study was to evaluate diagnostic capabilities of new automated vWF multimer screening assay.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Children with vWD, acquired von Willebrand Syndrome (aVWS) and 8 healthy donors as a control group were enrolled in this study. Von Willebrand factor antigen (vWF Ag); ristocetin cofactor activity (VWF:Rco); vWF collagen binding (VWF:CB); ristocetin-induced platelet aggregation (RIPA); factor VIII clotting activity (FVIII:C) and vWF factor VIII binding activity (vWF:FVIIIb) were performed to evaluate vWD. Multimer analysis was carried out using the commercial HYDRAGEL 5 von Willebrand Multimers kit on semi-automatic gel electrophoresis instrument HYDRASYS (SEBIA).</p></sec><sec><title>Results</title><p>Results. The samples from control group had 9—12 bands of vWF multimers with the same distribution as control plasma. Patients with type I vWD had the proportional decrease in the intensity of the bands with preservation of the normal distribution of the band. Patients with type III vWD reveal the complete absence of the multimer bands on the gel. Multimer analysis in type IIA shows the absence of high molecular weight multimer bands. In other patients the distribution of vWF multimers was normal against the changes in functional properties of vWF (types IIM, N). Most of the children with aVWS also revealed normal distribution of vWF multimers, however, in some patients, the slight decrease in large multimeric forms was observed visually on the gel.</p></sec><sec><title>Conclusion</title><p>Conclusion. Multimer analysis allows to visualize the multimer distribution in various types of von Willebrand disease. The method is easy to perform and can be useful for distinguishing between the subtypes of vWD. But only the full test panel including genetic tests would allow the differentiantion of vWD types with high precision.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Виллебранда</kwd><kwd>синдром Виллебранда</kwd><kwd>фактор</kwd><kwd>диагностика</kwd><kwd>мультимерный анализ</kwd><kwd>электрофорез</kwd></kwd-group><kwd-group xml:lang="en"><kwd>von Willebrand disease</kwd><kwd>Willebrand syndrome</kwd><kwd>factor</kwd><kwd>diagnosis</kwd><kwd>multimeric assay</kwd><kwd>electrophoresis</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">Rodeghiero F., Castaman G., Dini E. Epidemiological investigation of the prevalence of von Willebrand's disease. Blood 1987;69:454-9. doi: 10.1182/blood.v69.2.454.454.</mixed-citation><mixed-citation xml:lang="en">Rodeghiero F., Castaman G., Dini E. Epidemiological investigation of the prevalence of von Willebrand's disease. 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