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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">Advances in Current Biology</journal-id><journal-title-group><journal-title xml:lang="en">Advances in Current Biology</journal-title><trans-title-group xml:lang="ru"><trans-title>Успехи современной биологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0042-1324</issn><issn publication-format="electronic">3034-6347</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">653198</article-id><article-id pub-id-type="doi">10.31857/S0042132424030024</article-id><article-id pub-id-type="edn">PSCJEW</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>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">Structure and Morphogenetic Properties of Collagen Matrixes Obtained from Connective Tissue Sheaths of Paravertebral Tendons</article-title><trans-title-group xml:lang="ru"><trans-title>Структура и морфогенетические свойства коллагеновых матриц, полученных из соединительнотканных оболочек паравертебральных сухожилий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gaidash</surname><given-names>А. А.</given-names></name><name xml:lang="ru"><surname>Гайдаш</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulak</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Кулак</surname><given-names>А. И.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krut’ko</surname><given-names>V. K.</given-names></name><name xml:lang="ru"><surname>Крутько</surname><given-names>В. К.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>suber@igic.bas-net.by</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Blinova</surname><given-names>M. I.</given-names></name><name xml:lang="ru"><surname>Блинова</surname><given-names>М. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Musskaya</surname><given-names>O. N.</given-names></name><name xml:lang="ru"><surname>Мусская</surname><given-names>О. Н.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aleksandrova</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Александрова</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Skrotskaya</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Скроцкая</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulchitsky</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Кульчицкий</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><email>algaidashspb@gmail.com</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus</institution></aff><aff><institution xml:lang="ru">Институт общей и неорганической химии Национальной академии наук Беларуси</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Cytology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт цитологии Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Research Institute for Physical Chemical Problems, Belarusian State University</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт физико-химических проблем Белорусского государственного университета</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Physiology, National Academy of Sciences of Belarus</institution></aff><aff><institution xml:lang="ru">Институт физиологии Национальной академии наук Беларуси</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-18" publication-format="electronic"><day>18</day><month>05</month><year>2024</year></pub-date><volume>144</volume><issue>3</issue><issue-title xml:lang="ru"/><fpage>265</fpage><lpage>290</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0042-1324/article/view/653198">https://journals.eco-vector.com/0042-1324/article/view/653198</self-uri><abstract xml:lang="en"><p>The morphogenetic properties of a collagen gel prepared by acetic acid extraction from the tendon sheaths (peritenons) of the paravertebral tendons of Wistar rats were studied. The gel was used as a substrate during <italic>in vitro</italic> cultivation together with mesenchymal stromal cells for 14 days in the growth and osteogenic incubation media. It has been established that the collagen framework of the peritenon substrate is strengthened by increasing the connectivity of fibrillar nodes and is structured with the formation of lamellar and tangle formations. Sesamoid globules, penetrating into the substrate from the initial peritenon gel, during cultivation remain inert in the growth medium, but exhibit an increased ability to structure calcium phosphates in the osteogenic medium. The formation of cell-mediated structures occurs by directions of fibro-, tendo-, ligament- and osteogenic differentiation. The fibrogenic direction provides a structuring framework; the tenogenic direction – the formation of embryonic tendons according to the mechanism of lateral assembly of collagen subfibrils on cell surfaces and their autonomization in the form of tendon filament primordia; the ligamentogenic direction – structuring of collagen ribbons associated with tangles and elastic fibers; the osteogenic direction – the formation of lamellar, trabecular and nodular osteoid structures through intramembranous ossification, accompanied by activation of alkaline phosphatase and mineralization. The formation of enthesis predictors is the organization of commissures between mechanically different-phase components of osteoid structures and frame. A classification of taxonomic forms has been developed and a hypothesis has been proposed about the role of evolutionary tools in the structuring of the collagen framework in tissue cultures <italic>in vitro</italic>. The classification of taxonomic forms has been developed and a hypothesis has been proposed about the role of evolutionary tools in the structuring of the collagen framework in tissue cultures <italic>in vitro</italic>.</p></abstract><trans-abstract xml:lang="ru"><p>Изучены морфогенетические свойства коллагенового геля, полученного ацетатной экстракцией из соединительнотканных оболочек (перитенонов) паравертебральных сухожилий крыс Вистар. Гель использовали в качестве подложки при культивировании <italic>in</italic><italic> </italic><italic>vitro</italic> совместно с мезенхимальными стромальными клетками в течение 14 сут в ростовой и остеогенной инкубационных средах. Установлено, что коллагеновый каркас перитеноновой подложки приобретает прочность за счет увеличения связности фибриллярных узлов и структурирован с формированием пластинчатых и клубковых образований. Сесамовидные глобулы, проникающие в подложку из исходного перитенонового геля, инертны в ходе культивирования в ростовой среде, а в остеогенной – проявляют повышенную способность к структурированию кальцийфосфатов. Формирование клеточно-опосредованных структур происходит по направлениям фибро-, тендо-, лигаменто- и остеогенной дифференцировок. Фиброгенное направление обеспечивает коллагеновым материалам структурирующийся каркас; теногенное – формирование сухожилий эмбрионального типа по механизму латеральной сборки коллагеновых субфибрилл на поверхностях клеток и их автономизацию в виде зачатков сухожильных нитей; лигаментогенное – структурирование коллагеновых лент, ассоциированных с клубками и эластическими волокнами; остеогенное – образование ламеллярных, трабекулоподобных и узелковых остеоидных структур путем внутримембранозной оссификации, сопровождающейся активацией щелочной фосфатазы и минерализации. Формирование предикторов энтез – организация комиссур между механически разнофазными компонентами остеоидных структур и каркаса. Разработана классификация таксономических форм и предложена гипотеза о роли эволюционных инструментов в структурировании коллагенового каркаса в тканевых культурах <italic>in</italic><italic> </italic><italic>vitro</italic>.</p></trans-abstract><kwd-group xml:lang="en"><kwd>peritenon</kwd><kwd>scanning electron microscopy</kwd><kwd>fibrillar collagen</kwd><kwd>collagen gel</kwd><kwd>structuring of the collagen framework</kwd><kwd>histogenesis</kwd><kwd>calcium phosphates</kwd><kwd>classification</kwd><kwd>microevolution</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>перитенон</kwd><kwd>сканирующая электронная микроскопия</kwd><kwd>фибриллярный коллаген</kwd><kwd>коллагеновый гель</kwd><kwd>структурирование коллагенового каркаса</kwd><kwd>гистогенез</kwd><kwd>кальцийфосфаты</kwd><kwd>классификация</kwd><kwd>микроэволюция</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source><award-id>2.1.04.7</award-id></award-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>FMFU-2021-0008</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Автандилов Г.Г. 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