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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">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2025.3.467</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1841</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>АКУШЕРСТВО, ГИНЕКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OBSTETRICS, GYNECOLOGY</subject></subj-group></article-categories><title-group><article-title>Применение лизата мезенхимальных стволовых клеток в качестве реабилитационной среды для размороженной спермы быков-производителей</article-title><trans-title-group xml:lang="en"><trans-title>The use of mesenchymal stem cell lysate as a rehabilitation medium for thawed sperm from breeding bulls</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7011-4594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корочкина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Korochkina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р ветеринар. наук, доц. каф. генетических и репродуктивных биотехнологий</p></bio><bio xml:lang="en"><p>PhDIn Veterinary science, Associate Professor, Department of Genetic and Reproductive Technologies</p></bio><email xlink:type="simple">e.kora@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беликова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Belikova</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>асп. каф. генетических и репродуктивных биотехнологий</p></bio><bio xml:lang="en"><p>postgraduate student</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бахтурина</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Bachturina</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент</p></bio><bio xml:lang="en"><p>student</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный университет ветеринарной медицины»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State University of Veterinary Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>01</month><year>2026</year></pub-date><volume>0</volume><issue>3</issue><fpage>467</fpage><lpage>472</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Корочкина Е.А., Беликова А.О., Бахтурина Е.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Корочкина Е.А., Беликова А.О., Бахтурина Е.И.</copyright-holder><copyright-holder xml:lang="en">Korochkina E.A., Belikova A.O., Bachturina E.I.</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://vetjournal.spbguvm.ru/jour/article/view/1841">https://vetjournal.spbguvm.ru/jour/article/view/1841</self-uri><abstract><p>Криоконсервация половых гамет является важной составляющей программ вспомогательных репродуктивных технологий. Учитывая свойства мезенхимальных стволовых клеток (МСК) и их производных, главным образом регенерация (за счет цитокинов, факторов роста, экзосом), целью данной работы явилось изучение применения лизата МСК в качестве реабилитационной среды для размороженной спермы быков-производителей. Лизат мезенхимальных стволовых клеток (МСК) — это продукты разрушения МСК, содержащие их биологически активные компоненты: белки, нуклеиновые кислоты, экзосомы, факторы роста и метаболиты. Было сформировано 2 группы проб спермы быков-производителей после оттаивания по 15образцов в каждой: контрольная, опытная группа. Образцы опытной группы смешивали со средой, содержащей лизат МСК, контрольной группы – с фосфатно-солевым буфером (РВS) в соотношении 1:1. Оценку качественных показателей спермы (подвижность, морфология) проводили спустя 0, 2 и 4 часа инкубации. Проверка статистической гипотезы о различии опыта и контроля проводилась с помощью Т-критерия Вилкоксона. Установлено, что четырехчасовая инкубации сперматозоидов после оттаивания в средах, содержащих лизат МСК способствует (р&lt;0,05) сохранению наибольшего количества морфологически нормальных сперматозоидов (71,53±3,21%) с наименьшим содержанием дефектов головки (8,87±1,10%) и хвоста (18,33±2,27%).Обнаружены статистически достоверные различия (р&gt;&lt;0,05), в количестве прогрессивно подвижных и неподвижных сперматозоидов на 4-й час инкубации.Число прогрессивно подвижных сперматозоидов было больше в опытной группе в 1,4 раза, неподвижных в контрольной группе — в 1,3 раза.Полученные данные определяют перспективность использования компо-&gt; &lt; 0,05) сохранению наибольшего количества морфологически нормальных сперматозоидов (71,53±3,21%) с наименьшим содержанием дефектов головки (8,87±1,10%) и хвоста (18,33±2,27%).Обнаружены статистически достоверные различия (р &lt; 0,05), в количестве прогрессивно подвижных и неподвижных сперматозоидов на 4-й час инкубации. Число прогрессивно подвижных сперматозоидов было больше в опытной группе в 1,4 раза, неподвижных в контрольной группе — в 1,3 раза. Полученные данные определяют перспективность использования компонента МСК – лизата в качестве реабилитационной среды для сперматозоидов после оттаивания. Однако для точного определения механизма воздействия необходимо продолжить исследования.</p></abstract><trans-abstract xml:lang="en"><p>Cryopreservation of gametes is an important component of assisted reproductive technology programs. Considering the properties of mesenchymal stem cells (MSCs) and their derivatives, mainly regeneration (due to cytokines, growth factors, exosomes), the aim of this work was to study the use of MSC lysate as a rehabilitation medium for defrosted sperm of breeding bulls. Mesenchymal stem cell (MSC) lysate is a product of MSC destruction containing their biologically active components: proteins, nucleic acids, exosomes, growth factors and metabolites. After thawing, two groups of bull sperm samples were formed: control and experimental, 15 samples each. Samples of the experimental group were mixed with a medium containing MSC lysate, and those of the control group were mixed with phosphate-buffered saline (PBS) in a 1:1 ratio. Sperm quality parameters (motility, morphology) were assessed after 0, 2 and 4 hours of incubation. Due to the sample size, the statistical hypothesis about the difference between the experiment and the control was tested using the Wilcoxon ttest for paired. It was found that four-hour incubation of spermatozoa after thawing in media containing MSC lysate helps to preserve the greatest number of morphologically normal spermatozoa (71.53±3.21%) with the lowest content of head (8.87±1.10%) and tail (18.33±2.27%) defects. Statistically significant differences (p&lt;0.05) were found in the number of progressively motile and immobile spermatozoa at the 4th hour of incubation. The mean value of progressively motile spermatozoa was 1.4 times higher in the experimental group, and the mean number of immobile spermatozoa in the control group was 1.3 times higher. The obtained data prove the prospects of using the MSC component - lysate as a medium for spermatozoa rehabilitation after thawing. However, further research is needed to precisely determine the mechanism of action.&gt; &lt; 0.05) were found in the number of progressively motile and immobile spermatozoa at the 4th hour of incubation. The mean value of progressively motile spermatozoa was 1.4 times higher in the experimental group, and the mean number of immobile spermatozoa in the control group was 1.3 times higher. The obtained data prove the prospects of using the MSC component - lysate as a medium for spermatozoa rehabilitation after thawing. However, further research is needed to precisely determine the mechanism of action.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лизатмезенхимальных стволовых клеток</kwd><kwd>качество спермы</kwd><kwd>быки-производители</kwd></kwd-group><kwd-group xml:lang="en"><kwd>components of mesenchymal stem cell</kwd><kwd>sperm’quality</kwd><kwd>bulls</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">Abdelaziz MH, Salah El-Din EY, ElDakdoky MH, Ahmed TA. The impact of mesenchymal stem cells on doxorubicininduced testicular toxicity and progeny outcome of male prepubertal rats. BirthDefects Res. 2019;111(13):906–19.</mixed-citation><mixed-citation xml:lang="en">Abdelaziz MH, Salah El-Din EY, ElDakdoky MH, Ahmed TA. The impact of mesenchymal stem cells on doxorubicininduced testicular toxicity and progeny outcome of male prepubertal rats. 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