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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2023-5-68-74</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1710</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>МЕДИЦИНСКИЕ И БИОЛОГИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICAL AND BIOLOGICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Измерения электрических характеристик ооцитов млекопитающих</article-title><trans-title-group xml:lang="en"><trans-title>Measurements of mammalian oocytes electrical characteristics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2508-8742</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шигимага</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shigimaga</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Александрович Шигимага</p><p>г. Харьков</p></bio><bio xml:lang="en"><p>Victor A. Shigimaga</p><p>Kharkov</p></bio><email xlink:type="simple">vash105@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3799-0402</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колесникова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolesnikova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алла Александровна Колесникова</p><p>г. Харьков</p></bio><bio xml:lang="en"><p>Alla A. Kolesnikova</p><p>Kharkov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2198-4825</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сомова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Somova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Витальевна Сомова</p><p>г. Харьков</p></bio><bio xml:lang="en"><p>Elena V. Somova</p><p>Kharkov</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тищенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tishchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Александрович Тищенко</p><p>г. Харьков</p></bio><bio xml:lang="en"><p>Aleksey A. Tishchenko</p><p>Kharkov</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Феськов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Feskov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Михайлович Феськов</p><p>г. Харьков</p></bio><bio xml:lang="en"><p>Alexander M. Feskov</p><p>Kharkov</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Государственный биотехнологический университет</institution><country>Украина</country></aff><aff xml:lang="en"><institution>State Biotechnological University</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт проблем эндокринной патологии им. В. Я. Данилевского</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Danilevsky Institute of Endocrine Pathology Problems</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Медицинский центр репродукции человека «Клиника профессора Феськова А. М.»</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Medical Center for Human Reproduction “Clinic of Professor A. M. Feskov”</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2023</year></pub-date><volume>0</volume><issue>5</issue><fpage>68</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/1710">https://www.izmt.ru/jour/article/view/1710</self-uri><abstract><p>Описана разработка технологий клеточной инженерии, в которых используются различные режимы электропорации и требуется знание электрических характеристик живых клеток. Рассмотрен вопрос о видовых особенностях электрических характеристик живых клеток различных животных класса млекопитающих. Методом импульсной кондуктометрии в электрическом поле возрастающей напряжённости измерены электрические характеристики (проводимость, напряжённость) при электропорации и электропробое мембран ооцитов млекопитающих видов: Mus musculus (мышь), Oryctolagus cuniculus (кролик), Sus scrofa (свинья), Bos taurus (корова) и Homo sapiens (человек). Выполненматематический анализ экспериментальных зависимостей проводимости ооцитов млекопитающих на основе полиномиальной аппроксимации. По максимальной кривизне, а также точкам перегиба и локальным экстремумам аппроксимирующих полиномов получены электрические характеристики ооцитов – электропробой мембраны и степени обратимой электропорации соответственно. Установлены значимые видовые различия измеренных электрических характеристик исследованных ооцитов. По результатам измерений обнаружена существенная видовая специфичность электрических характеристик, отражающих различную устойчивость ооцитов к электропробою и степень обратимой электропорации мембран, что, вероятно, связано с особенностями липидного состава мембран ооцитов, целостностью структуры цитоскелета, а также резистентностью клеток в целом к воздействию импульсного поля. Полученные результаты будут полезны при реализации различных режимов электроманипуляций с живой клеткой – электротрансфекции дезоксирибонуклеиновой кислоты, генов, электрослияния, а также для точечного лизиса клеток с утраченным механизмом апоптоза. </p></abstract><trans-abstract xml:lang="en"><p>The development of cell engineering technologies using various electroporation modes requires knowledge of the electrical characteristics of living cells. Usually, cells are taken from laboratory animals of the same species, and the question of specifi c features of cells electrical characteristics remains open. Using the method of pulsed conductometry in an electric fi eld with rising strength, the electrical characteristics (conductivity, intensity) were measured during electroporation and electrical breakdown of oocytes membranes of mammalian species: Mus musculus (mouse), Oryctolagus cuniculus (rabbit), Sus scrofa (pig), Bos Taurus (cow) and Homo sapiens (human) were measured by pulsed conductometry in an electric fi eld with rising strength. Mathematical analysis of the experimental dependences of the conductivity of mammalian oocytes based on polynomial approximation was performed. The electrical characteristics of oocytes were obtained as a result of the analysis of approximating polynomials for the presence of maximum curvature (electric breakdown of the membrane), infl ection points and local extrema (degree of reversible electroporation). Signifi cant species differences in the measured electrical characteristics of the studied oocytes were established. The measurement results showed a signifi cant species specifi city of electrical characteristics, refl ecting the different resistance of oocytes to electrical breakdown and the degree of reversible electroporation of membranes, which is probably associated with the peculiarities of their lipid composition, the integrity of the cytoskeleton structure, and the resistance of cells as a whole to the impact of a pulsed fi eld. The results obtained can be used to implement various modes of electromanipulation with a living cell – electrotransfection of DNA, genes, electrofusion, as well as for point lysis of cells with a lost apoptosis mechanism. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>ооцит млекопитающих</kwd><kwd>мембрана</kwd><kwd>проводимость</kwd><kwd>напряжённость поля</kwd><kwd>электропорация</kwd><kwd>электропробой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mammalian oocyte</kwd><kwd>membrane</kwd><kwd>conductivity</kwd><kwd>fi eld strength</kwd><kwd>electroporation</kwd><kwd>electrical breakdown</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Сканави Г. И. Физика диэлектриков (область сильных полей). М.: Физматлит, 1958. 907 с.</mixed-citation><mixed-citation xml:lang="en">Skanavi G. I. Fizika dielecktrikov (oblast silnych polej), Мoskow, Fizmatlit Publ., 1958, 907 p. 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