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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">regmedjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Регенерация органов и тканей</journal-title><trans-title-group xml:lang="en"><trans-title>Регенерация органов и тканей</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-5938</issn><publisher><publisher-name>Общество регенеративной медицины</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.60043/2949-5938-2024-2-6-13</article-id><article-id custom-type="elpub" pub-id-type="custom">regmedjournal-76</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>ОТ РЕДАКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EDITORIAL SECTION</subject></subj-group></article-categories><title-group><article-title>Началось регуляторное клиническое исследование оригинального отечественного биологического лекарственного препарата на основе секретома мезенхимных стромальных клеток человека «МедиРег»®</article-title><trans-title-group xml:lang="en"><trans-title>The regulatory clinical trial has commenced for “MediReg”®, an original domestically developed biologic drug based on the secretome of human mesenchymal stromal cells</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>Ефименко</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimenko</surname><given-names>Anastasia Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефименко Анастасия Юрьевна — д.м.н., зав. лабораторией репарации и регенерации тканей Центра регенеративной медицины; доцент кафедры биохимии и регенеративной биомедицины Факультета фундаментальной медицины,</p><p>119192, Москва, Ломоносовский пр., 27 к. 10.</p></bio><bio xml:lang="en"><p>Anastasia Yu. Efimenko — MD, Dr. Sci. (Medicine), Head of the Laboratory of Tissue Repair and Regeneration, Centre for Regenerative Medicine; Assistant Professor of the Department of Biochemistry and Regenerative Biomedicine, Faculty of Medicine, </p><p>119192, Moscow, Lomonosovsky ave., 27–10.</p></bio><email xlink:type="simple">efimenkoay@my.msu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова», Медицинский научно-образовательный институт</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University, Medical Research and Educational Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2025</year></pub-date><volume>2</volume><issue>3</issue><fpage>6</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ефименко А.Ю., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ефименко А.Ю.</copyright-holder><copyright-holder xml:lang="en">Efimenko A.Y.</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://www.regmed-journal.ru/jour/article/view/76">https://www.regmed-journal.ru/jour/article/view/76</self-uri><abstract><p>На протяжении всей жизни клеточные компоненты тканей и органов нуждаются в своевременном обновлении и восстановлении после серьезных повреждений. Эту функцию выполняют стволовые клетки, которые во взрослом организме регулируются специфическим микроокружением, называемым нишей стволовых клеток. Нарушение функции ниши может приводить к утрате целостности и дисфункции ткани. Показано, однако, что ниша стволовой клетки способна к частичному восстановлению. Значительный вклад в этот процесс вносят мультипотентные мезенхимные стволовые/стромальные клетки (МСК), которые обнаружены в различных нишах тканеспецифичных стволовых клеток, где они участвуют в поддержании и восстановлении поврежденных ниш, предположительно за счет секреции широкого спектра факторов, комплекс которых называется секретомом, вовлеченных в регуляцию репарации и регенерации тканей. Использование секретома клеток, в частности МСК, в качестве продуктов для регенеративной медицины лежит в основе активно развивающегося нового направления клеточной терапии, так называемой «клеточной терапии без клеток» (cell-free cell therapy).</p><p>Недавно в РФ было впервые инициировано регуляторное клиническое исследование оригинального биологического лекарственного препарата «МедиРег»® на основе секретома МСК человека, разработанного и произведенного в МГУ имени М.В. Ломоносова, который предназначен для лечения тяжелых нарушений сперматогенеза за счет стимуляции восстановления поврежденной ниши сперматогониальных стволовых клеток. В данном коротком сообщении на примере препарата «МедиРег»® обсуждаются ключевые особенности разработки и доклинических исследований биологических препаратов на основе секретома МСК человека и перспективы их трансляции в клиническую практику.</p></abstract><trans-abstract xml:lang="en"><p>Throughout life, the cellular components of tissues and organs require timely renewal and repair following significant damage. This function is carried out by stem cells, which in adult organisms are regulated by a specialized microenvironment known as the stem cell niche. Dysfunction of the niche can lead to loss of tissue integrity and impaired function. However, it has been demonstrated that the stem cell niche is capable of partial recovery. A significant contribution to this process is made by multipotent mesenchymal stem/stromal cells (MSCs), which are found in various tissue-specific stem cell niches, where they participate in maintaining and repairing damaged niches, presumably through the secretion of a wide range of factors collectively referred to as the secretome, which are involved in regulating tissue repair and regeneration. The use of the cell secretome, particularly that of MSCs, as regenerative medicine products underlies an emerging field of cell therapy known as “cell-free cell therapy”.</p><p>Recently, the first regulatory clinical trial of an original biological drug, “MediReg”®, based on the secretome of human MSCs was initiated in the Russian Federation. Developed and manufactured at Lomonosov Moscow State University, this drug is intended to treat severe impairments of spermatogenesis by stimulating the recovery of the damaged spermatogonial stem cell niche. In this brief communication, using “MediReg”® as an example, we discuss the key aspects of the development and preclinical studies of biological drugs based on the secretome of human MSCs, as well as the prospects for their translation into clinical practice.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>регенеративная медицина</kwd><kwd>ниша стволовых клеток</kwd><kwd>мезенхимные стромальные клетки</kwd><kwd>секретом</kwd><kwd>клинические исследования</kwd><kwd>мужское бесплодие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>regenerative medicine</kwd><kwd>stem cell niche</kwd><kwd>mesenchymal stromal cells</kwd><kwd>secretome</kwd><kwd>clinical trials</kwd><kwd>male infertility</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБОУ ВО «Московский государственный университет имени М.В. 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