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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 custom-type="elpub" pub-id-type="custom">nid-446</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>НАБЛЮДЕНИЯ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Cлучай атипичного гемолитико-уремического синдрома, ассоциированного с мутацией гена, кодирующего мембранный кофакторный протеин (MCP)</article-title><trans-title-group xml:lang="en"><trans-title>A case of atypical hemolytic uremic syndrome, associated with membrane cofactor protein (MCP) mutation</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>Ананьин</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ananin</surname><given-names>P. V.</given-names></name></name-alternatives><email xlink:type="simple">ananin.pv@gmail.com</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>Мазо</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazo</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Вашурина</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vashurina</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Маргиева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Margieva</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Пушков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pushkov</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Савостьянов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Savostyanov</surname><given-names>K. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Столяревич</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stolarevich</surname><given-names>E. S.</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>Негода</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Negoda</surname><given-names>V. M.</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>Цыгин</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsygin</surname><given-names>A. N.</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>НИИ Педиатрии ФГАУ «НЦЗД» Министерства Здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Centre of Children’s Health</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФПДО ФГБУ ФГОУ «Московский государственный медико-стоматологический университет им. А.И. Евдокимова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.I. Evdokimov Moscow State University of Medicine and Dentistry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУ Ростовской области «Областная детская клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov-on-Don regional Children’s hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>19</day><month>08</month><year>2024</year></pub-date><volume>18</volume><issue>3</issue><fpage>337</fpage><lpage>342</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ананьин П.В., Мазо А.М., Вашурина Т.В., Маргиева Т.В., Пушков А.А., Савостьянов К.В., Столяревич Е.С., Негода В.М., Цыгин А.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ананьин П.В., Мазо А.М., Вашурина Т.В., Маргиева Т.В., Пушков А.А., Савостьянов К.В., Столяревич Е.С., Негода В.М., Цыгин А.Н.</copyright-holder><copyright-holder xml:lang="en">Ananin P.V., Mazo A.M., Vashurina T.V., Margieva T.V., Pushkov A.A., Savostyanov K.V., Stolarevich E.S., Negoda V.M., Tsygin A.N.</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/446">https://journal.nephro.ru/jour/article/view/446</self-uri><abstract><p>Введение: атипичный гемолитико-уремический синдром (аГУС) - редкое жизнеугрожающее заболевание, ассоциированное с неконтролируемой активацией системы комплемента. Частота встречаемости аГУС составляет 1-7 на миллион населения. Мутации мембрано-кофакторного протеина выявляют у больных с аГУС примерно в 15% случаев. Материалы и методы: представлен случай атипичного гемолитико-уремического синдрома, ассоциированного с мутацией гена MCP. Девочка с 2002 по 2014 год перенесла 6 эпизодов аГУС с последующим полным восстановлением почечной функции. В возрасте 15 лет после 7-го эпизода у ребенка сохранялось повышение уровня креатинина до 200 мкмоль/л и повышение ЛДГ до 360 ЕД/л при норме до 225 ЕД/л. В клинике НИИ Педиатрии НЦЗД была выполнена нефробиопсия, подтвердившая наличие тромботической микроангиопатии (ТМА), проведено молекулярно-генетическое исследование методом секвенирования нового поколения генов CFH, CFI, CFB, MCP и THBD. Выявленные мутации и полиморфизмы были подтверждены методом прямого секвенирования. Также за время наблюдения отмечены тромбоцитопения до 90×109/л, нарастание креатинина сыворотки до 378 мкмоль/л. Девочке начата специфическая терапия экулизумабом. Результаты: была выявлена гомозиготная мутация гена MCP c.307C&gt;T и гомозиготный полиморфизм гена CFH c.2808G&gt;T. На фоне терапии экулизумабом получено значительное улучшение функции почек (по уровню клубочковой фильтрации).</p></abstract><trans-abstract xml:lang="en"><p>Introduction: atypical hemolytic uremic syndrome (aHUS) is a rare, life-threating disease, associated with uncontrolled activation of complement system. Frequency of aHUS in population is 1-7 cases per million. Mutations of membrane cofactor protein (MCP) were found in patients with aHUS in 15% of cases. Materials and methods: we present a case of atypical hemolytic uremic syndrome, associated with homozygous mutation of MCP gene. A girl had 6 episodes of aHUS from 2002 till 2014, and had a complete recovery of kidney function. When she was 15 year old, 7th episode has happened and she had prolonged elevation of serum creatinine level (200 μΜ/l) and LDH (360 U/l; upper limit 225 U/l) after it. In our hospital, we performed kidney biopsy, confirmed thrombotic microangiopathy, and used next-generation sequencing of CFH, CFI, CFB, MCP and THBD genes. All mutations and polymorphisms were confirmed with direct sequencing. During observation, we found thrombocytopenia 90×109/l and elevation of creatinine level up to 378 μΜ. Specific treatment with eculizumab was started. Results: homozygous mutation of MCP gene c.307C&gt;T and homozygous polymorphism of CFH gene c.2808G&gt;T were found in a patient with aHUS. A recovery of kidney function was achieved on eculizumab therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>случай</kwd><kwd>атипичный гемолитико-уремический синдром</kwd><kwd>аГУС</kwd><kwd>мутация</kwd><kwd>мембрано-кофакторный протеин</kwd><kwd>MCP</kwd><kwd>экулизумаб</kwd><kwd>case report</kwd><kwd>atypical hemolytic uremic syndrome</kwd><kwd>aHUS</kwd><kwd>mutation</kwd><kwd>membrane cofactor protein</kwd><kwd>MCP</kwd><kwd>eculizumab</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">Каган М.Ю. Гемолитико-уремический синдром, ассоциированный с пневмококковой инфекцией (Обзор литературы) Нефрология и диализ. 2013. 15(2): 116-119.</mixed-citation><mixed-citation xml:lang="en">Каган М.Ю. 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