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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of the Russian academy of medical sciences</journal-id><journal-title-group><journal-title xml:lang="en">Annals of the Russian academy of medical sciences</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российской академии медицинских наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-6047</issn><issn publication-format="electronic">2414-3545</issn><publisher><publisher-name xml:lang="en">"Paediatrician" Publishers LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1131</article-id><article-id pub-id-type="doi">10.15690/vramn1131</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CELL TRANSPLANTOLOGY AND TISSUE ENGINEERING: CURRENT ISSUES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>АКТУАЛЬНЫЕ ВОПРОСЫ КЛЕТОЧНОЙ ТРАНСПЛАНТОЛОГИИ И ТКАНЕВОЙ ИНЖЕНЕРИИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Urine-Derived Stem Cells: Differentiation Potential into Smooth-Muscle Cells and Urothelial Cell</article-title><trans-title-group xml:lang="ru"><trans-title>Стволовые клетки, выделенные из мочи: оценка потенциала дифференцировки в гладкомышечные клетки и клетки уротелия</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0594-7423</contrib-id><contrib-id contrib-id-type="spin">1872-8347</contrib-id><name-alternatives><name xml:lang="en"><surname>Vasyutin</surname><given-names>Igor A.</given-names></name><name xml:lang="ru"><surname>Васютин</surname><given-names>Игорь Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="ru"><p>аспирант, Кафедра гистологии, цитологии и эмбриологии лечебного факультета, младший научный сотрудник, Институт регенеративной медицины</p> <p> </p> <p> </p></bio><email>ivasyutin@yahoo.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0102-5491</contrib-id><contrib-id contrib-id-type="spin">4954-3004</contrib-id><name-alternatives><name xml:lang="en"><surname>Lyundup</surname><given-names>Aleksey V.</given-names></name><name xml:lang="ru"><surname>Люндуп</surname><given-names>Алексей Валерьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, заведующий отделом, Отдел передовых клеточных технологий Института регенеративной медицины</p> <p> </p></bio><email>lyundup@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0704-1660</contrib-id><contrib-id contrib-id-type="spin">3824-2646</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuznetsov</surname><given-names>Sergey L.</given-names></name><name xml:lang="ru"><surname>Кузнецов</surname><given-names>Сергей Львович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор, член-корреспондент РАН, заведующий кафедрой, Кафедра гистологии, цитологии и эмбриологии лечебного факультета</p> <p> </p></bio><email>vakmedbiol@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-07-27" publication-format="electronic"><day>27</day><month>07</month><year>2019</year></pub-date><volume>74</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>176</fpage><lpage>184</lpage><history><date date-type="received" iso-8601-date="2019-04-24"><day>24</day><month>04</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-06-23"><day>23</day><month>06</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, "Paediatrician" Publishers LLC</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Издательство "Педиатръ"</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">"Paediatrician" Publishers LLC</copyright-holder><copyright-holder xml:lang="ru">Издательство "Педиатръ"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2020-07-27"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://vestnikramn.spr-journal.ru/jour/about/submissions</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnikramn.spr-journal.ru/jour/article/view/1131">https://vestnikramn.spr-journal.ru/jour/article/view/1131</self-uri><abstract xml:lang="en"><p><bold>Background</bold>: Tissue engineering of low urinary tract organs requires biopsy of urinary bladder material. The current study describes non-invasive approach of obtaining autologous stem cells from urine of healthy adults. These cells were studied for potential to differentiate into epithelial cells and smooth muscle cells of the urinary bladder.</p> <p><bold>Aims</bold>: To describe properties of urine-derived stem cells (USCs) and investigate their differentiation potential for tissue engineering of low urinary tract organs.</p> <p><bold>Materials and Methods</bold>: USCs were isolated from urine of healthy volunteers with centrifugation and seeded in media to 24-well plates. Expression of stem cells markers (CD73, CD90, CD105, CD34, CD45, CD29, CD44, CD54, SSEA4) by USCs was assessed with flow cytometry. Expression of specific markers of smooth muscle cells and urothelial cells was assessed with fluorescence microscopy with following computational image analysis.</p> <p><bold>Results</bold>: Median number of USCs per 100 ml urine was 6. Doubling time for USC was 1.44±0.528 days (n=4) and there were 26.3±4.79 population doublings for USC cultures (n=4). Median expression of markers of postnatal stem cells was CD73 ― 79.8%, CD90 ― 56.6%, CD105 ― 40.7%, CD34 &lt;1.0%, CD45 &lt;2.0%, CD29 &gt;99.0%, CD44 &gt;99.0%, CD54 ― 97.7% and SSEA4 &gt;99.0%. Treatment of cells with high concentration of EGF in media with low concentration of FBS for 10 days increased cytokeratin (CK) expression to 24.9% for CK AE1/AE3 and to 7.6% for CK 7. Treatment of USCs with media inducing smooth muscle differentiation for 10 days increased expression of α-smooth muscle actin to 79.6% and expression of calponin to 97.6%.</p> <p><bold>Conclusions</bold>: USCs are cells that can be found in urine in small quantities. They have high proliferative potential and express markers of postnatal stem cells. Under effect of PDGF-BB and TGF- β1 they differentiate into smooth muscle cells.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование</bold>. Тканевая инженерия органов мочевой системы требует забора аутологичного биопсийного материала мочевого пузыря. В данном исследовании описан неинвазивный метод получения стволовых клеток из мочи и произведено исследование потенциала дифференцировки полученных стволовых клеток в клетки органов нижних мочевых путей ― клетки уротелия и гладкомышечные клетки.</p> <p><bold>Цель исследования</bold> ― описать свойства стволовых клеток, получаемых из мочи (СКМ), и исследовать потенциал дифференцировки СКМ в клетки уротелия и гладкомышечные клетки в культуре.</p> <p><bold>Методы</bold>. Выделение СКМ производилось у здоровых добровольцев отмыванием клеток от мочи с помощью центрифугирования и посадкой в культуральной среде на 24-луночные планшеты. Экспрессия СКМ маркеров постнатальных стволовых клеток (CD73, CD90, CD105, CD34, CD45, CD29, CD44, CD54, SSEA4) оценивалась с помощью проточной цитометрии. Экспрессия маркеров уротелия и гладкомышечных клеток оценивалась посредством флуоресцентной микроскопии с дальнейшим компьютерным анализом изображений.</p> <p><bold>Результаты</bold>. Медиана количества СКМ в моче составила 6 клеток на 100 мл. Время удвоения популяции для культур СКМ ― 1,44±0,528 сут (n=4). Количество удвоений популяции до вырождения культуры ― 26,3±4,79 (n=4). Медиана экспрессии СКМ второго пассажа маркеров стволовых клеток: CD73 ― 79,8%, CD90 ― 56,6%, CD105 ― 40,7%, CD34 &lt;1,0%, CD45 &lt;2,0%, CD29 &gt;99,0%, CD44 &gt;99,0%, CD54 ― 97,7%, SSEA4 &gt;99,0%. После уротелиальной дифференцировки экспрессия цитокератинов (CK) увеличилась на 24,9% для CK AE1/AE3 и на 7,6% для CK 7. После гладкомышечной дифференцировки экспрессия маркеров гладкомышечных клеток увеличилась на 79,6% для αSMA и на 97,6% для кальпонина.</p> <p><bold>Заключение</bold>. СКМ ― клетки, которые обнаружены в моче в малых количествах, имеют высокий пролиферативный потенциал и экспрессируют маркеры постнатальных стволовых клеток. Под воздействием факторов роста PDGF-BB и TGF-β1 СКМ способны к дифференцировке в гладкомышечные клетки в культуре.</p></trans-abstract><kwd-group xml:lang="en"><kwd>stem cells</kwd><kwd>tissue engineering</kwd><kwd>urology</kwd><kwd>regenerative medicine</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стволовые клетки</kwd><kwd>тканевая инженерия</kwd><kwd>урология</kwd><kwd>регенеративная медицина</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was carried out on the basis of the laboratory of the Institute of Regenerative Medicine of Wake Forest University (Winston-Salem, North Carolina, USA) without involving external sources of funding.</funding-statement><funding-statement xml:lang="ru">Данная работы была выполнена на базе лаборатории Института регенеративной медицины Университета Уэйк Форест (Уинстон-Сейлем, Северная Каролина, США) без привлечения внешних источников финансирования.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Lee YJ, Kim SW. 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