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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">agronauka</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука Евро-Северо-Востока</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Science Euro-North-East</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9081</issn><issn pub-type="epub">2500-1396</issn><publisher><publisher-name>FARC North-East</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30766/2072-9081.2024.25.5.899-905</article-id><article-id custom-type="elpub" pub-id-type="custom">agronauka-1768</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>ОРИГИНАЛЬНЫЕ СТАТЬИ: ЗООТЕХНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ОRIGINAL SCIENTIFIC ARTICLES: ZOOTECHNY</subject></subj-group></article-categories><title-group><article-title>Содержание внДНК в семенной плазме петухов  как потенциальный биомаркер жизнеспособности сперматозоидов</article-title><trans-title-group xml:lang="en"><trans-title>Content of exDNA in rooster’s seminal plasma as a potential biomarker of sperm viability</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4430-4770</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курочкин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurochkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курочкин Антон Алексеевич, младший научный сотрудник лаборатории биологии развития</p><p>Московское шоссе, 55а, п. Тярлево, г. Санкт-Петербург, 196625</p></bio><bio xml:lang="en"><p>Anton A. Kurochkin, junior researcher, the Laboratory of Developmental Biology</p><p>Moscow highway, 55a, village Tyarlevo, Saint Petersburg, 196625</p></bio><email xlink:type="simple">kurochkin.anton.66@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/0000-0002-4218-6080</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмина</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmina</surname><given-names>T. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузьмина Татьяна Ивановна, доктор биол. наук, профессор, главный научный сотрудник, заведующая лабораторией биологии развития</p><p>Московское шоссе, 55а, п. Тярлево, г. Санкт-Петербург, 196625</p></bio><bio xml:lang="en"><p>Tatyana I. Kuzmina, DSc in Biological Science, professor, chief researcher, Head of the Laboratory of Developmental Biology</p><p>Moscow highway, 55a, village Tyarlevo, Saint Petersburg, 196625</p></bio><email xlink:type="simple">spbvniigen@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2865-9582</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Притужалова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Prituzhalova</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Притужалова Анна Олеговна, младший научный сотрудник лаборатории биологии развития</p><p>Московское шоссе, 55а, п. Тярлево, г. Санкт-Петербург, 196625</p></bio><bio xml:lang="en"><p>Anna O. Prituzhalova, junior researcher, the Laboratory of Developmental Biology</p><p>Moscow highway, 55a, village Tyarlevo, Saint Petersburg, 196625</p></bio><email xlink:type="simple">spbvniigen@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт генетики и разведения сельскохозяйственных животных – филиал ФГБНУ «Федеральный исследовательский центр животноводства – ВИЖ имени академика Л. К. Эрнста»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute of Genetics and Breeding of Farm Animals – Branch of the Federal Research Center for Animal Husbandry named after Academy Member L. K. Ernst</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2024</year></pub-date><volume>25</volume><issue>5</issue><elocation-id>899–905</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Курочкин А.А., Кузьмина Т.И., Притужалова А.О., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Курочкин А.А., Кузьмина Т.И., Притужалова А.О.</copyright-holder><copyright-holder xml:lang="en">Kurochkin A.A., Kuzmina T.I., Prituzhalova A.O.</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.agronauka-sv.ru/jour/article/view/1768">https://www.agronauka-sv.ru/jour/article/view/1768</self-uri><abstract><p>Поиск биомаркеров, имеющих ранний прогностический признак и определяющих функциональный статус мужских гамет Gallus Gallus, является перспективным направлением повышения качественных показателей эякулятов и их репродуктивных характеристик. В условиях снижения репродуктивных показателей по причине селекции племенной птицы, направленной на улучшение хозяйственно полезных признаков, данный подход к отбору самцов по качеству их спермопродукции позволит вести оценку спермы в короткие сроки и выявлять потенциально лучших производителей на ранних этапах. В исследовании рассматривается возможность использования внДНК как потенциального неинвазивного биомаркера, определяющего качественные показатели нативной спермы петухов. Выявлены достоверные корреляционные связи между содержанием внДНК и долей клеток с поврежденной плазматической мембраной (r = 0,35, p&lt;0,05), что свидетельствует  о возможной связи данного биомаркера с некротическими и апоптотическими процессами в клетках. Коэффициент вариации показателя внДНК составил 30,28 %, что предполагает возможность использования предложенного биомаркера (концентрация внДНК в семенной жидкости Gallus Gallus) в качестве предиктивного прогностического критерия оценки качества мужских гамет. Установлены достоверные корреляционные связи (r = 0,51, p&lt;0,05) между долей клеток, подверженных оксидативному стрессу,  долей клеток с поврежденной плазматической мембраной и высокой митохондриальной активностью, что свидетельствует о негативном влиянии активных форм кислорода на целостность плазматической мембраны и взаимосвязь повышенной генерации активных форм кислорода с функционированием митохондрий. Основываясь на анализе полученных в исследовании результатов, показатель «содержание внДНК в семенной жидкости» предлагаем рассматривать как превентивный неинвазивный биомаркер функционального состояния мужской гаметы Gallus Gallus.</p></abstract><trans-abstract xml:lang="en"><p>Searching biomarkers, that have an early prognostic trait and determinate functional status of male gametes Gallus Gallus is a promising direction for improving ejaculate’s quality reproductive characteristics. In context of a decreasing reproductive performance due to breeding selection of birds aimed to improving economically useful traits, this approach to selecting males, based on their sperm quality production will make it possible to evaluate sperm in a short time and identify potentially the best producers at early stages. The study determined possibility of using exDNA as a potential biomarker that determines quality indicators of native sperm obtained from roosters. Significant correlations were revealed between exDNA and proportion of cells with damaged plasma membrane (r = 0.35, p&lt;0.05), which indicates a possible connection of this  biomarker with necrotic and apoptotic processes occurring in cells. Variation coefficient of exDNA indicator was 30.28 %, demonstrating the possibility of using the proposed biomarker (exDNA concentration in the seminal fluid of Gallus Gallus)  as a predictive criterion for assessing quality of male gametes. Significant correlations (r = 0.51, p&lt;0.05) were established between proportion of cells exposed to oxidative stress, proportion of cells with damaged plasma membrane and high mitochondrial activity, which indicates negative impact of reactive oxygen species on the plasma membrane integrity and relationship increased generation of reactive oxygen species with functional status of mitochondria. On the basis of the analysis of research results, the indicator “exDNA content in seminal fluid” should be considered as a preventive non-invasive biomarker of the functional state of male gamete Gallus Gallus.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Gallus gallus domesticus</kwd><kwd>митохондрии</kwd><kwd>активные формы кислорода</kwd><kwd>апоптоз</kwd><kwd>гаметы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Gallus Gallus domesticus</kwd><kwd>mitochondria</kwd><kwd>reactive oxygen species</kwd><kwd>apoptosis</kwd><kwd>gametes</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при поддержке Минобрнауки РФ в рамках Государственного задания ФГБНУ «Федеральный исследовательский центр животноводства – ВИЖ имени академика Л. К. Эрнста» (тема НИОКТР 124020200127-7).  Авторы благодарят рецензентов за их вклад в экспертную оценку этой работы.</funding-statement><funding-statement xml:lang="en">the research was carried out under the financial support of the Ministry of Science and Higher Education,  of the Russian Federation within the state assignment of the Federal Research Center for Animal Husbandry named after Academy Member L. K. Ernst (theme НИОКТР 124020200127-7).   The authors thank the reviewers for their contribution to the expert evaluation of this work.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Udrayana S. B., Kasianto K., Iswati I., Bintari I. G. Evaluating sperm quality characteristics obtained through the female teaser method in native chicken breeds. Livestock and Animal Research. 2023;21(3):127–135. 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Quick recovery and characterization of cell-free DNA in seminal plasma of normozoospermia and azoospermia: implications for non-invasive genetic utilities. Asian Journal of Andrology. 2009;11(6):703–709. DOI: https://doi.org/10.1038/aja.2009.65</mixed-citation><mixed-citation xml:lang="en">Li H. G., Huang S. Y., Zhou H., Liao A. H., Xiong C. L. Quick recovery and characterization of cell-free DNA in seminal plasma of normozoospermia and azoospermia: implications for non-invasive genetic utilities. Asian Journal of Andrology. 2009;11(6):703–709. DOI: https://doi.org/10.1038/aja.2009.65</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
