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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36485/1561-6274-2022-26-1-88-95</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-2084</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>PRACTICAL NOTES</subject></subj-group></article-categories><title-group><article-title>Клинический случай фибронектиновой гломерулопатии</article-title><trans-title-group xml:lang="en"><trans-title>Clinical case of fibronectin glomerulopathy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3045-1721</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щербаков</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Scherbakov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щербаков Евгений Вячеславович</p><p>Кафедра нефрологии и эфферентной терапии</p><p>194044, Санкт-Петербург, ул. Акад. Лебедева, д. 6</p><p>Тел.: +7 (812) 5424314</p></bio><bio xml:lang="en"><p>Evgeniy V. Scherbakov</p><p>Department of nephrology and blood purification</p><p>194044, St. Petersburg</p><p>Phone: +7 (812) 5424314 </p></bio><email xlink:type="simple">vmeda_12@mil.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/0000-0002-6946-6816</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воробьева</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobyeva</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьева Ольга Алексеевна, канд. мед. наук</p><p>192283, Санкт-Петербург, ул. Олеко Дундича, д. 8, корп. 2. </p><p>Тел.: +7 (812) 2440250</p></bio><bio xml:lang="en"><p>Olga A. Vorobyeva, PhD</p><p>8 Oleko Dundich Str, Build 2, Saint Petersburg 192283</p><p>Phone: +7 (812) 244-02-50 </p></bio><email xlink:type="simple">olvorob70@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5893-3191</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пятченков</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Pyatchenkov</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пятченков Михаил Олегович, канд. мед. наук</p><p>Кафедра нефрологии и эфферентной терапии</p><p>194044, Санкт-Петербург, ул. Акад. Лебедева, д. 6</p><p>Тел.: +7 (812) 5424314</p></bio><bio xml:lang="en"><p>Mikhail O. Pyatchenkov, PhD</p><p>Department of nephrology and blood purification</p><p>194044, St. Petersburg</p><p>Phone: +7 (812) 5424314 </p></bio><email xlink:type="simple">vmeda_12@mil.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>Бельских</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Belskykh</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Проф. Бельских Андрей Николаевич, чл.-кор. РАН</p><p>Кафедра нефрологии и эфферентной терапии</p><p>194044, Санкт-Петербург, ул. Акад. Лебедева, д. 6</p><p>Тел.: +7 (812) 5424314 </p></bio><bio xml:lang="en"><p>Andrei N. Belskykh, professor, Corresponding Member, Russian Academy of Sciences</p><p>Department of nephrology and blood purification</p><p>194044, St-Petersburg</p><p>Phone: +7 (812) 5424314 </p></bio><email xlink:type="simple">vmeda_12@mil.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/0000-0003-4627-4974</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мануилов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Manuilov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мануилов Андрей Сергеевич</p><p>Кафедра нефрологии и эфферентной терапии</p><p>194044, Санкт-Петербург, ул. Акад. Лебедева, д. 6</p><p>Тел.: +7 (812) 5424314</p></bio><bio xml:lang="en"><p>Andrei S. Manuilov</p><p>Department of nephrology and blood purification</p><p>194044, St. Petersburg</p><p>Phone: +7 (812) 5424314 </p></bio><email xlink:type="simple">vmeda_12@mil.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБВОУ ВО «Военно-медицинская академия им. С.М. Кирова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Military Medical Academy S.M. Kirov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный центр клинической морфологической диагностики</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Center of Clinical Morphological Diagnostics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>02</month><year>2022</year></pub-date><volume>26</volume><issue>1</issue><fpage>88</fpage><lpage>95</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Щербаков Е.В., Воробьева О.А., Пятченков М.О., Бельских А.Н., Мануилов А.С., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Щербаков Е.В., Воробьева О.А., Пятченков М.О., Бельских А.Н., Мануилов А.С.</copyright-holder><copyright-holder xml:lang="en">Scherbakov E.V., Vorobyeva O.A., Pyatchenkov M.O., Belskykh A.N., Manuilov A.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://journal.nephrolog.ru/jour/article/view/2084">https://journal.nephrolog.ru/jour/article/view/2084</self-uri><abstract><p>Фибронектиновая гломерулопатия (ФНГП) – крайне редкая гломерулопатия с аутосомно-доминантным механизмом наследования. Описаны также спорадические случаи заболевания. В настоящее время известно о нескольких видах мутаций гена FN1, лежащих в основе конформационных изменений молекулы фибронектина и приводящих к его отложению в ткани почки. Клинические проявления ФНГП могут быть очень вариабельными, но в большинстве случаев характеризуются протеинурией, микроскопической гематурией, артериальной гипертензией и длительно прогрессирующей почечной недостаточностью. Основной методикой, позволяющей диагностировать заболевание, является морфологическое исследование почечного биоптата. Гистологически ФНГП характеризуется дольчатой клубочковой архитектоникой с мезангиальным расширением и облитерацией капиллярных петель вследствие накопления ацеллюлярного PAS-позитивного, Jones-негативного материала. Иммунофлюоресценция обычно отрицательная. Электронная микроскопия показывает мелкозернистые или фибриллярные мезангиальные и субэндотелиальные электронно-плотные отложения. При более высоких увеличениях фибриллы имеют диаметр 12–16 нм и распределены случайным образом. Стандартные протоколы этиопатогенетической терапии ФНГП в настоящее время не разработаны. Улучшение клинического статуса и прогноза может быть достигнуто путем оптимизации контроля артериального давления и уровня протеинурии при использовании блокаторов ренин-ангиотензиновой системы. Риск рецидивирования ФНГП в почечном трансплантате остается неопределенным в связи с редкой встречаемостью патологии. В настоящей статье мы сообщаем о случае нефротического синдрома у 25-летнего мужчины, возникшего на фоне перенесенной респираторной инфекции. В биоптате почки были обнаружены гистологические изменения, специфичные для ФНГП. Генетический анализ не проводился. Отсутствие отягощенного анамнеза предполагает наличие спорадического случая.</p></abstract><trans-abstract xml:lang="en"><p>Fibronectin glomerulopathy (FNGP) is an extremely rare glomerulopathy with an autosomal dominant pattern of inheritance. Sporadic cases of the disease are also described. Currently, several types of FN1 gene mutations are known that underlie conformational changes in the fibronectin molecule and lead to its deposition in the renal tissue. The clinical manifestations of FNGP may be very heterogeneous, but in most cases are characterized by proteinuria, microscopic hematuria, arterial hypertension, and long-term progressive renal failure. Renal biopsy is the main method for diagnosing the disease. Histologically, GFND is characterized by a lobular glomerular architecture with mesangial expansion and obliteration of capillary loops due to the accumulation of an acellular, periodic acid–Schiff positive, silver Jones-negative material. Immunofluorescence is usually negative. Electron microscopy shows finely granular or fibrillary mesangial and subendothelial electron-dense deposits. At higher magnifications, the fibrils have a diameter of 12-16 nm and are randomly arranged. Standard protocols for the etiopathogenetic therapy of FNGP are not currently developed. Improvement of clinical status and prognosis can be achieved by optimizing blood pressure and proteinuria control by renin–angiotensin–aldosterone system blockers. The recurrence risk of FNGP after renal transplantation remains uncertain due to the rare prevalence of the pathology. In this article, we report a 25-year-old man with nephrotic syndrome, which occurred after a previous upper respiratory tract infection. Histological changes specific to FNGP were found in the kidney biopsy. Genetic analysis was not performed. The absence of a family history of kidney disease suggests that this is a sporadic case of FNGP.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нефротический синдром</kwd><kwd>электронная микроскопия</kwd><kwd>фибронектиновая гломерулопатия</kwd><kwd>спорадический случай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nephrotic syndrome</kwd><kwd>electron microscopy</kwd><kwd>fibronectin glomerulopathy</kwd><kwd>sporadic case</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">Strøm E, Banfi G, Krapf R et al. Glomerulopathy associated with predominant fibronectin deposits: a newly recognized hereditary disease. Kidney Int 1995;48(1):163–170. doi:10.1038/ki.1995.280</mixed-citation><mixed-citation xml:lang="en">Strøm E, Banfi G, Krapf R et al. Glomerulopathy associated with predominant fibronectin deposits: a newly recognized hereditary disease. 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