<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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">Morphology</journal-id><journal-title-group><journal-title xml:lang="en">Morphology</journal-title><trans-title-group xml:lang="ru"><trans-title>Морфология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1026-3543</issn><issn publication-format="electronic">2949-2556</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">398936</article-id><article-id pub-id-type="doi">10.17816/morph.398936</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">SPREADING OF TISSUE SPHEROIDS FROM PRIMARY HUMAN FIBROBLASTS ON THE SURFACE OF MICROFIBROUS ELECTROSPUN POLYURETHANE MATRIX (A scanning electron microscopic study)</article-title><trans-title-group xml:lang="ru"><trans-title>РАСПЛАСТЫВАНИЕ ТКАНЕВЫХ СФЕРОИДОВ, СФОРМИРОВАННЫХ ИЗ ПЕРВИЧНЫХ ФИБРОБЛАСТОВ ЧЕЛОВЕКА, НА ПОВЕРХНОСТИ МИКРОВОЛОКНИСТОГО ЭЛЕКТРОСПИННИНГОВОГО ПОЛИУРЕТАНОВОГО МАТРИКСА (сканирующее электронно-микроскопическое исследование)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kudan</surname><given-names>Ye. V.</given-names></name><name xml:lang="ru"><surname>Кудан</surname><given-names>Елизавета Валерьевна</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pereira</surname><given-names>F. D. A. S.</given-names></name><name xml:lang="ru"><surname>Фредерико</surname><given-names>Давид Сена Перейра</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Parfenov</surname><given-names>V. A</given-names></name><name xml:lang="ru"><surname>Парфенов</surname><given-names>Владислав Александрович</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kasyanov</surname><given-names>V. A</given-names></name><name xml:lang="ru"><surname>Касьянов</surname><given-names>Владимир Александрович</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biomechanics</p></bio><bio xml:lang="ru"><p>лаборатория биомеханики; лаборатория биомеханики</p></bio><email>kasyanov@latnet.lv</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khesuani</surname><given-names>Yu. D.</given-names></name><name xml:lang="ru"><surname>Хесуани</surname><given-names>Юсеф Джоржевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bulanova</surname><given-names>Ye. A.</given-names></name><name xml:lang="ru"><surname>Буланова</surname><given-names>Елена Анатольевна</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mironov</surname><given-names>A. Aleksandrovich</given-names></name><name xml:lang="ru"><surname>Миронов</surname><given-names>Владимир Александрович</given-names></name></name-alternatives><bio xml:lang="en"><p>Laboratory of Biotechnological Research</p></bio><bio xml:lang="ru"><p>Лаборатория биотехнологических исследований</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">3D Bioprinting Solutions</institution></aff><aff><institution xml:lang="ru">3Д Биопринтинг Солюшенс</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">P. Stradina Riga University</institution></aff><aff><institution xml:lang="ru">Рижский технический университет</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Riga Technical University</institution></aff><aff><institution xml:lang="ru">Рижский университет им. П. Страдиньша</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2015</year></pub-date><volume>148</volume><issue>6</issue><issue-title xml:lang="en">VOL 148, NO6 (2015)</issue-title><issue-title xml:lang="ru">ТОМ 148, №6 (2015)</issue-title><fpage>70</fpage><lpage>74</lpage><history><date date-type="received" iso-8601-date="2023-05-09"><day>09</day><month>05</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Эко-Вектор</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://j-morphology.com/1026-3543/article/view/398936">https://j-morphology.com/1026-3543/article/view/398936</self-uri><abstract xml:lang="en"><p>Tissue spheroids biofabricated from primary human fibroblasts using non-adhesive agarose forms, were placed by 3D bioprinter on the surface of microfibrous electrospun matrix. It was demonstrated that tissue spheroids attached to the surface of matrix during several hours and then gradually spread for several days which indicates high level of biocompatibiity of electrospun microfibrous polyurethane matrix. During this activity, human fibroblasts used processes of leading cell borders for initial step of attachment to matrix filaments. Tissue constructions formed during spreading of tissue spheroids on the surface of electrospun microfibrous polyurethane matrix seem to be a perspective technology platform for development of new methods of biofabrication and 3D bioprinting.</p></abstract><trans-abstract xml:lang="ru"><p>Тканевые сфероиды, сформированные из первичных фибробластов человека с использованием неадгезивных агарозных форм, были размещены с помощью трехмерного биопринтера на поверхности микроволокнистого полиуретанового матрикса, полученного методом электроспиннинга. Было показано, что тканевые сфероиды прикрепляются к поверхности матрикса в течение нескольких часов и далее постепенно распластываются в течение нескольких суток, что свидетельствует о высокой степени биосовместимости электроспиннингового микроволокнистого полиуретанового матрикса. Фибробласты человека при этом используют отростки ведущего края клетки для начального этапа прикрепления к микроволокнам матрикса. Тканевые конструкции, образующиеся при распластывании тканевых сфероидов на биосовместимом электроспиннинговом микроволокнистом полиуретановом матриксе, являются перспективной технологической платформой для разработки новых методов биофабрикации и трехмерной биопечати.</p></trans-abstract><kwd-group xml:lang="en"><kwd>tissue spheroids</kwd><kwd>extracellular matrix</kwd><kwd>spreading</kwd><kwd>biocompatibiity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>тканевые сфероиды</kwd><kwd>внеклеточный матрикс</kwd><kwd>распластывание</kwd><kwd>биосовместимость</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Beachley V., Kasyanov V., Nagy-Mehesz A. et al. The fusion of tissue spheroids attached to pre-stretched electrospun polyurethane scaffolds // J. Tissue Eng. 2014. Vol. 5. P. 8-15.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Chua K. N., Lim W. S., Zhang P. et al. Stable immobilization of rat hepatocyte spheroids on galactosylated nanofiber scaffold // Biomaterials. 2005. Vol. 26. P. 2537-2547.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Foty R. A., Pfleger C. M., Forgacs G., Steinberg M. S. Surface tensions of embryonic tissues predict their mutual envelopment behavior // Development. 1996. Vol. 122. P. 1611-1620.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Huang G. S., Tseng C. S., Linju Y. B. et al. Solid freeform-fabricated scaffolds designed to carry multicellular mesenchymal stem cell spheroids for cartilage regeneration // Eur. Cell Mater. 2013. Vol. 26. P. 179-194.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Jakab K., Neagu A., Mironov V. et al. Engineering biological struc tures of prescribed shape using self-assembling multicellular systems // Proc. Natl. Acad. Sci. USA. 2004. Vol. 101. P. 2864- 2869.</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Lee H. J., Lee S. J., Uthaman S. et al. Biomedical applications of magnetically functionalized organic/inorganic hybrid nanofibers // Int. J. Mol. Sci. 2015. Vol. 16. P. 13661-13677.</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Mironov V., Kasyanov V., Markwald R. R. Nanotechnology in vascular tissue engineering: from nanoscaffolding towards rapid vessel biofabrication // Trends Biotechnol. 2008. Vol. 26. P. 338- 344.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Mironov V., Visconti R. P., Kasyanov V. et al. Organ printing: tissue spheroids as building blocks // Biomaterials. 2009. Vol. 30. P. 2164-2174.</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Nakayama K. In Vitro Biofabrication of Tissues and Organs. In Biofabrication: Micro- and Nanofabrication Printing Patterning and Assemblies. Amsterdam: Elsevier, 2013.</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Pérez-Pomares J. M., Foty R. A. Tissue fusion and cell sorting in embryonic development and disease: biomedical implications // Bioessays. 2006. Vol. 28. P. 809-821.</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Pham Q. P., Sharma U., Mikos A. G. Electrospinning of polymeric nanofibers for tissue engineering applications: a review // Tissue Eng. 2006. Vol. 12. P. 1197-1211.</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Ryan P.L., Foty R. A., Kohn J., Steinberg M. S. Tissue spreading on implantable substrates is a competitive outcome of cell-cell vs. cell-substratum adhesivity // Proc. Natl. Acad. Sci. USA. 2001. Vol. 98. P. 4323-4327.</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Schon B. S., Schrobback K., van der Ven M. et al. Validation of a high-throughput microtissue fabrication process for 3D assembly of tissue engineered cartilage constructs // Cell Tis. Res. 2012. Vol. 3. P. 245-249.</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Whatley B. R., Li X., Zhang N., Wen X. Magnetic-directed pat ter ning of cell spheroids // J. Biomed. Mater. Res. A. 2014. Vol. 102. P. 1537-1547.</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Xia L., Sakban R. B., Qu Y. et al. Tethered spheroids as an in vitro hepatocyte model for drug safety screening // Biomaterials. 2012. Vol. 33. P. 2165-2176.</mixed-citation></ref></ref-list></back></article>
