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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">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">25452</article-id><article-id pub-id-type="doi">10.32607/actanaturae.25452</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные статьи</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">RIPK3 Expression in Fibroblasts in an in vivo and in vitro Skin Wound Model: A Controversial Result</article-title><trans-title-group xml:lang="ru"><trans-title>Экспрессия RIPK3 в фибробластах в модели кожной раны in vivo и in vitro: противоречивый результат</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Izumov</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Изюмов</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>gohin@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shitova</surname><given-names>M. S.</given-names></name><name xml:lang="ru"><surname>Шитова</surname><given-names>М. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mashitik@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sabirov</surname><given-names>M. S.</given-names></name><name xml:lang="ru"><surname>Сабиров</surname><given-names>М. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mariosabirov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sheleg</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Шелег</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sonchesshel@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Cherkashina</surname><given-names>O. L.</given-names></name><name xml:lang="ru"><surname>Черкашина</surname><given-names>О. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olgalcher@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalabusheva</surname><given-names>E. P.</given-names></name><name xml:lang="ru"><surname>Калабушева</surname><given-names>Е. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kalabushevae@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vorotelyak</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Воротеляк</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vorotelyak@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morgun</surname><given-names>E. I.</given-names></name><name xml:lang="ru"><surname>Моргун</surname><given-names>Е. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>lady.morgun2016@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Koltzov Institute of Developmental Biology of Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биологии развития имени Н.К. Кольцова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">M.V. Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет имени М.В. Ломоносова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-18" publication-format="electronic"><day>18</day><month>12</month><year>2023</year></pub-date><volume>15</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>65</fpage><lpage>74</lpage><history><date date-type="received" iso-8601-date="2023-09-06"><day>06</day><month>09</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-10-26"><day>26</day><month>10</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Izumov I.S., Shitova M.S., Sabirov M.S., Sheleg S.A., Cherkashina O.L., Kalabusheva E.P., Vorotelyak E.A., Morgun E.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Изюмов И.С., Шитова М.С., Сабиров М.С., Шелег С.А., Черкашина О.Л., Калабушева Е.П., Воротеляк Е.А., Моргун Е.И.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Izumov I.S., Shitova M.S., Sabirov M.S., Sheleg S.A., Cherkashina O.L., Kalabusheva E.P., Vorotelyak E.A., Morgun E.I.</copyright-holder><copyright-holder xml:lang="ru">Изюмов И.С., Шитова М.С., Сабиров М.С., Шелег С.А., Черкашина О.Л., Калабушева Е.П., Воротеляк Е.А., Моргун Е.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/25452">https://actanaturae.ru/2075-8251/article/view/25452</self-uri><abstract xml:lang="en"><p>One of the major problems of regenerative medicine is the development of hypertrophic scars and keloids. The protein kinase RIPK3 is involved in necroptosis; however, recent evidence indicates that it also has non-canonical functions, including its involvement in the development of renal fibrosis. The aim of our work was to study the expression of RIPK3 in mouse and human skin models of fibrotic processes. A subpopulation of RIPK3+Vim+ cells was found in both human keloid and a mouse wound, with the cell number being significantly greater in the mouse wound bed compared to healthy skin. Real-time polymerase chain reaction (RT-PCR) detected expression of the <italic>Ripk3</italic> and fibroblast biomarkers <italic>Acta2</italic>, <italic>Fap</italic>, <italic>Col1a1</italic>, and <italic>Fn1</italic> in the cells isolated from the wound bed, indicating that RIPK3 can be expressed by wound bed fibroblasts. An analysis of the human fibroblasts stained with anti-RIPK3 antibodies demonstrated an increase in the fluorescence intensity in the presence of lipopolysaccharide (LPS) at concentrations of 5, 10, 25, 50, and 100 ng/ml and TGF-β at concentrations of 0.1, 1, 2, and 5 ng/ml compared to the control. At the same time, the expression levels of <italic>RIPK3</italic> and fibroblast activation markers in the presence of TGF-β and LPS did not differ significantly from the control. It is possible that RIPK3 expression in wound fibroblasts is not directly associated with fibrotic processes, and that kinase plays a different, yet unknown role in wound healing.</p></abstract><trans-abstract xml:lang="ru"><p>Одной из проблем регенеративной медицины является образование гипертрофических и келоидных рубцов. Известно, что протеинкиназа RIPK3 участвует в некроптозе, при этом появляются данные в пользу ее неканонических функций, в том числе в развитии фиброза почек. В представленной работе изучена экспрессия RIPK3 в модели фибротических процессов в коже мыши и человека. Показано, что в келоидном рубце человека, а также в ране мыши присутствует субпопуляция RIPK3+Vim+-клеток, причем в раневом ложе мыши таких клеток достоверно больше, чем в нормальной коже. С помощью полимеразной цепной реакции в реальном времени (ПЦР-РВ) экспрессия <italic>R</italic><italic>ipk3, </italic>а также биомаркеров фибробластов<italic> </italic><italic>A</italic><italic>cta2, </italic><italic>F</italic><italic>ap, Col1a1</italic> и <italic>F</italic><italic>n1 </italic>выявлена в клетках, выделенных из раневого ложа, что свидетельствует о возможном синтезе RIPK3 фибробластами раневого ложа. Показано увеличение интенсивности флуоресценции фибробластов человека, окрашенных антителами к RIPK3, под воздействием липополисахарида (ЛПС, 5, 10, 25, 50, 100 нг/мл) и TGF-β (0.1, 1, 2, 5 нг/мл) по сравнению с контролем. В то же время уровень экспрессии <italic>RIPK</italic><italic>3 </italic>и маркеров активации фибробластов на уровне генов под воздействием TGF-β и ЛПС не отличался достоверно от контроля. Возможно, экспрессия RIPK3 в раневых фибробластах не связана напрямую с фибротическими процессами, и RIPK3 играет другую, пока неизвестную, роль в заживлении ран.</p></trans-abstract><kwd-group xml:lang="en"><kwd>scarring</kwd><kwd>keloid</kwd><kwd>skin</kwd><kwd>fibroblasts</kwd><kwd>cell culture</kwd><kwd>RIPK3</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рубцевание</kwd><kwd>келоид</kwd><kwd>кожа</kwd><kwd>фибробласты</kwd><kwd>культура клеток</kwd><kwd>RIPK3</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>21-74-30015</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Meleshina A.V., Bystrova A.S., Rogovaya O.S., Vorotelyak E.A., Vasiliev A.V., Zagaynova E.V. // Sovremennye tehnologii v medicine. 2017. 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