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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">10.24884/1561-6274-2017-21-1-46-51</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-222</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. ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES. EXPERIMENTAL INVESTIGATION</subject></subj-group></article-categories><title-group><article-title>ЭКСПРЕССИЯ микроРНК-21 В ПОЧЕЧНОЙ ТКАНИ И МОЧЕ У КРЫС С ОДНОСТОРОННЕЙ ОБСТРУКЦИЕЙ МОЧЕТОЧНИКА</article-title><trans-title-group xml:lang="en"><trans-title>EXPRESSION miRNA-21 IN RENAL TISSUE AND URINE IN RATS WITH UNILATERAL URETERAL OBSTUCTION</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>Каюков</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kayukov</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Профессор Каюков Иван Глебович </p><p>Научно-исследовательский институт нефрологии, лаборатория клинической физиологии почек, заведующий. </p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 17, корп. 54.</p></bio><bio xml:lang="en"><p>Prof. Ivan G. Kayukov MD, PhD, DMedSci.</p><p>Institute of Nephrology, Laboratory of Clinical Physiology of theKidney, head.</p><p>197022 Russia, St-Petersburg, L. Tolstoy st. 17, build. 54</p></bio><email xlink:type="simple">kvaka55@mail.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>Смирнов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Профессор Смирнов Алексей Владимирович</p><p>Научно-исследовательский институт нефрологии, директор.</p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 17,корп. 54.</p></bio><bio xml:lang="en"><p>Prof. Alexey V. Smirnov MD, PhD, DMedSci. </p><p>Institute of Nephrology, director</p><p>197022, Russia, St-Petersburg, L.Tolstoy st. 17, build. 54</p></bio><email xlink:type="simple">smirnov@nephrolog.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>Кучер</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kucher</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Профессор Кучер Анатолий Григорьевич</p><p>Научно-исследовательский институт нефрологии, заместитель директора. </p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 17 </p><p> </p></bio><bio xml:lang="en"><p>Prof. Anatoly G. Kucher MD, PhD, DMedSci </p><p>Institute of Nephrology, vice-director. </p><p>197022, Russia, St-Petersburg, L.Tolstoy st. 17, build. 54</p></bio><email xlink:type="simple">prof.kucher@yandex.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>Парастаева</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Parastaeva</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Парастаева Марина Магрезовна, кандидат биологических наук, старший научый сотрудник.  </p><p>Научно-исследовательский институт нефрологии, лаборатория клинической физиологии почек</p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 17, корп. 54.</p></bio><bio xml:lang="en"><p>Marina M. Parastaeva, PhD. </p><p>Institute of Nephrology, Laboratory of Clinical Physiology of the Kidney, senior researcher. </p><p>197022, Russia, St-Petersburg, L.Tolstoy st. 17, build. 54</p></bio><email xlink:type="simple">beresnevaolga@list.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>Береснева</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Beresneva</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Береснева Ольга Николаевна, кандидат биологических наук, старший научый сотрудник.  </p><p>Научно-исследовательский институт нефрологии, лаборатория клинической физиологии почек</p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 17, корп. 54. </p></bio><bio xml:lang="en"><p>Olga N. Beresneva, PhD</p><p>Laboratory of Clinical Physiology of the Kidney, senior researcher. </p><p>197022, Russia, St-Petersburg, L.Tolstoy st. 17, build. 54</p></bio><email xlink:type="simple">beresnevaolga@list.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>Зарайский</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaraiskii</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Профессор Зарайский Михаил Игоревич. </p><p>Научно-методический центр по молекулярной медицине МЗ РФ, лаборатория молекулярной диагностики, зав. лабораторией.</p><p>197022, Россия, Санкт-Петербург, ул. Л. Толстого, д. 6–8, корп. 28. </p></bio><bio xml:lang="en"><p>Prof. Mikhail I. Zaraiskii, MD, PhD, DMedSci. </p><p>Scientific and methodological center for molecular medicine, laboratory of molecular diagnostics, head. </p><p>197022, Russia, St-Petersburg, L.Tolstoy st. 6-8, build. 28</p></bio><email xlink:type="simple">mzaraiski@yandex.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>Иванова</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>C. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванова Галина Тажимовна, кандидат биологических наук, старший научный сотрудник. </p><p>Лаборатория экспериментальной и клинической кардиологии</p><p>199034, Россия, Санкт-Петербург, наб. Макарова, д. 6</p></bio><bio xml:lang="en"><p>Galina T. Ivanova, PhD. </p><p>Laboratory of Experimental and Clinical Cardiology, senior researcher. </p><p>199034, Russia, St-Petersburg, Makarov emb. 6, Institute</p></bio><email xlink:type="simple">tazhim@list.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>First Pavlov Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физиологии им. И.П. Павлова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Physiology named after I. P. Pavlov Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>03</day><month>03</month><year>2017</year></pub-date><volume>21</volume><issue>1</issue><fpage>46</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каюков И.Г., Смирнов А.В., Кучер А.Г., Парастаева М.М., Береснева О.Н., Зарайский М.И., Иванова Г.Ю., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Каюков И.Г., Смирнов А.В., Кучер А.Г., Парастаева М.М., Береснева О.Н., Зарайский М.И., Иванова Г.Ю.</copyright-holder><copyright-holder xml:lang="en">Kayukov I.G., Smirnov A.V., Kucher A.G., Parastaeva M.M., Beresneva O.N., Zaraiskii M.I., Ivanova C.T.</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/222">https://journal.nephrolog.ru/jour/article/view/222</self-uri><abstract><p>ЦЕЛЬ: оценить уровень экспрессии микроРНК-21 в ткани почек и моче крыс с односторонней обструкцией мочеточника (ООМ). МАТЕРИАЛЫ И МЕТОДЫ. ООМ вызывали путем перевязки левого мочеточника у крыс-самцов линии Wistar (n=10). Срок наблюдения составил 14 сут после моделирования ООМ. Собирали мочу накануне оперативного вмешательства (UmiRNA21 C )   и за сутки до окончания эксперимента (UmiRNA21 ), в течение 24 ч. При выведении животного из эксперимента производили забор пробы мочи из лоханки левой почки (UmiRNA21 I ) и образцов ткани левой (KmiRNA21 O ) и правой (KmiRNA21 I ) почек. Экспрессию миРНК-21 в ткани почек и моче определяли при помощи реакции амплификации (RealTime PCR-протокол). Расчет проводился по методу 2-deltaCt. . Статистическую обработку проводили с применением критерия Вилкоксона и коэффициента корреляции Спирмена. Результаты представлены как медиана [нижний – верхний квартиль]. РЕЗУЛЬТАТЫ. UmiRNA21 I  -deltaCt (3,78[2,0–5,28]) и UmiRNA21 O  (3,78[3,25–3,82]) оказались значимо выше,   чем UmiRNA21 C  (1,15[0,71–1,74]; р=0,0125 и р=0,0069, respectively). Величины UmiRNA21 оказались практически одинаковыми. В почках с ООМ тканевой уровень экспрессии миРНК-21 был несколько выше, чем в контралатеральном органе (р=0,0926). Выявлена значимая прямая корреляция между KmiRNA    (Rs=0,770, р=0,0092). ЗАКЛЮЧЕНИЕ. ООМ вызывает специфические изменения в экспрессии, распределении и выведении миРНК-21. Однако механизмы активации при почечной патологии данной миРНК и ее роль в развитии почечного тубулоинтерстициального фиброза требует дальнейших исследований</p></abstract><trans-abstract xml:lang="en"><p>THE AIM: to estimate the level of expression miRNA-21 inthe urine and renal tissue in rats with unilateral ureteral obstruction (UUO). MATHERIAL AND METHODS. UUO was induced by ligation of the left ureter in male Wistar rats (n=10). Follow-up period was 14 days after UUO modeling. Urine was collected one day before the operation (UmiRNA21C), and one day before the end of experiment (UmiRNA21I ) during 24 hours. Before releasing animal out of experiment collected urine from left kidney pelvis (UmiRNA21O) and tissue of left kidney (KmiRNA21O) and right kidney (KmiRNA21I ). MiRNA-21 expression in kidney tissues and urine was carried out with reaction amplification (RealTime PCR-protocol). Calculation was realized by 2-deltaCt method. Statistical analysis was performed with Wilcoxon test and Spearman correlation coefficient. Results are demonstrated as median [low – upper quartile]. RESULTS. UmiRNA21I (3.78[2.0-5.28]) and UmiRNA21O (3.78[3.25-3.82]) were significantly higher than UmiRNA21C (1.15[0.71-1.74]; P=0.0125 and P=0.0069, respectively). UmiRNA21I and UmiRNA21O values were practically equal. In kidneys with UUO the tissue levels of miRNA21 expression was a higher than in contralateral organ (P=0,0926). Revealed direct correlation between KmiRNAI and KmiRNAO (RS=0,770, P=0,0092). CONCLUSION. UOO can cause specific changes in the expression, distribution and excretion of micro RNA-21 and its role in the development of renal tubulointestitsial fibrosis requires further studies. Key words: miRNA-21, tubulointerstitial fibrosis, unilateral ureteral obstruction</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микроРНК-21</kwd><kwd>тубулоинтерстициальный фиброз</kwd><kwd>односторонняя обструкция мочеточника</kwd></kwd-group><kwd-group xml:lang="en"><kwd>miRNA-21</kwd><kwd>tubulointerstitial fibrosis</kwd><kwd>unilateral ureteral obstruction</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">Kataoka M, Wang DZ. Non-Coding RNAs Including miRNAs and lncRNAs in Cardiovascular Biology and Disease. Cells 2014; 3(3): 883-898</mixed-citation><mixed-citation xml:lang="en">Kataoka M, Wang DZ. Non-Coding RNAs Including miRNAs and lncRNAs in Cardiovascular Biology and Disease. 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