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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">vestiag</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия аграрных наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Agrarian Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1817-7204</issn><issn pub-type="epub">1817-7239</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1817-7204-2025-63-1-45-57</article-id><article-id custom-type="elpub" pub-id-type="custom">vestiag-785</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>ЖЫВЁЛАГАДОЎЛЯ І ВЕТЭРЫНАРНАЯ МЕДЫЦЫНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANIMAL HUSBANDRY AND VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Трансгенные кролики с генами гранулоцит-колониестимулирующего фактора человека и зеленого флуоресцирующего белка</article-title><trans-title-group xml:lang="en"><trans-title>Transgenic rabbits with genes of human granulocyte colony-stimulating factor and green fluorescent protein</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колоскова</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Koloskova</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колоскова Елена Михайловна – кандидат биологических наук, старший научный сотрудник лаборатории пищеварения и межуточного обмена</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Elena M. Koloskova – Ph. D. (Biology), Senior Re searcher at the Laboratory of Digestion</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">heleko3@yandex.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>Езерский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ezerskij</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Езерский Вадим Аркадьевич – младший научный сотрудник лаборатории микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Vadim A. Ezerskij – Junior Researcher at the Laboratory of Microbiology and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">ez.vadim@yandex.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>Трубицина</surname><given-names>Т. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Trubitsina</surname><given-names>T. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трубицина Татьяна Петровна – кандидат биологических наук, специалист лаборатории микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Tatjana P. Trubitsina – Ph. D. (Biology), Specialist at the Laboratory of Microbiology and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">trubitsina.tp@yandex.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>Жукова</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukova</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жукова Ольга Борисовна – научный сотрудник лаборатории микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Olga B. Zhukova – Researcher at the Laboratory of Microbiology and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">olgazhukova19801031@gmail.com</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>Остренко</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ostrenko</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Остренко Константин Сергеевич – доктор биологических наук, заведующий          лабораторией микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Konstantin S. Ostrenko – Dr. Sc. (Biology), Head of the Laboratory of Microbiology and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">ostrenkoks@gmail.com</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>Белова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белова Надежда Викторовна – кандидат биологических наук, научный сотрудник              лаборатории микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Nadezhda V. Belova – Ph. D. (Biology), Researcher at the Laboratory of Microbiology  and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">navikbel@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>Кутьин</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutijn</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кутьин Иван Владимирович – научный сотрудник лаборатории микробиологии и иммунобиотехнологии</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Ivan V. Kutijn – Researcher at the Laboratory of Microbiology and Immunobiotechnology</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><email xlink:type="simple">kurookami@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>Рябых</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabykh</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рябых Владимир Павлович – доктор биологических наук, профессор</p><p>290013, п. Институт, Боровск, Калужская обл.</p></bio><bio xml:lang="en"><p>Vladimir P. Ryabykh – Dr. Sc. (Biology), Professor</p><p>249013, v. Institut, Borovsk, Kaluga Region</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт физиологии, биохимии и питания животных –  филиал ФИЦ животноводства – ВИЖ имени академика Л. К. Эрнста</institution></aff><aff xml:lang="en"><institution>All-Russian Research Institute of Physiology, Biochemistry and Animal Nutrition (VNIIFBiP) – Branch of the Federal Research Center for Animal Husbandry named after Academy Member L. K. Ernst</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2025</year></pub-date><volume>63</volume><issue>1</issue><fpage>45</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Колоскова Е.М., Езерский В.А., Трубицина Т.П., Жукова О.Б., Остренко К.С., Белова Н.В., Кутьин И.И., Рябых В.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Колоскова Е.М., Езерский В.А., Трубицина Т.П., Жукова О.Б., Остренко К.С., Белова Н.В., Кутьин И.И., Рябых В.П.</copyright-holder><copyright-holder xml:lang="en">Koloskova E.M., Ezerskij V.A., Trubitsina T.P., Zhukova O.B., Ostrenko K.S., Belova N.V., Kutijn I.V., Ryabykh V.P.</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://vestiagr.belnauka.by/jour/article/view/785">https://vestiagr.belnauka.by/jour/article/view/785</self-uri><abstract><p>Гранулоцит-колониестимулирующий фактор человека (GCSF, ГКСФ) – один из белков фармакологического назначения, который может быть выделен из молока трансгенных (ТГ) животных. Была получена плазмида, содержащая ген GCSF человека под контролем регуляторных элементов гена β-лактоглобулина крупного рогатого скота, и ген репортерного зеленого флуоресцентного белка (ЕGFP) под цитомегаловирусным (cmv) промотором. Использование выбранных промоторов обеспечивает тканеспецифичную экспрессию целевого белка в молочной железе ТГ животного-продуцента и высокий уровень ранней экспрессии репортерного белка в клетках эукариот, что позволяет детектировать ТГ эмбрионы на стадии культивирования и производить их предымплантационный отбор. Тестирование конструкции для оценки ее эффективности проводили на ТГ кроликах, полученных методом микроинъекции в мужской пронуклеус зигот. Был сделан вывод о токсичности GFP для эмбрионов на ранних стадиях развития из-за чрезмерной экспрессии гена EGFP под сильным cmv промотором. Была получена ТГ крольчиха (F0), у которой методом ИФА был оценен уровень ГКСФ человека в молоке и сыворотке крови. Из 22 крольчат, полученных от нее за четыре окрола, два были трансгенны. От ТГ самца F0 было получено потомство (F1), 56 % которого составляли самцы, из них 88 % были ТГ и по состоянию здоровья не отличались от обычных кроликов. Среди самок ТГ было 10 %, и они погибали в течение двух недель после рождения.</p></abstract><trans-abstract xml:lang="en"><p>Human granulocyte–colony stimulating factor (GCSF) is one of the pharmacological proteins that can be isolated from the milk of transgenic (TG) animals. The plasmid containing the human GCSF gene under the control of regulatory elements of the bovine β-lactoglobulin gene and the reporter green fluorescent protein (EGFP) gene under the cytomegalovirus (cmv) promoter were obtained. The use of the selected promoters ensures tissue-specific expression of the target protein in the mammary gland of the TG producing animal and a high level of early expression of the reporter protein in eukaryotic cells, which makes it possible to detect TG embryos at the cultivation stage and perform their preimplantation selection. Testing of the gene construct effectiveness was carried out on TG rabbits obtained by microinjection into the male pronucleus of zygotes. It was concluded that GFP is toxic to embryos in the early stages of development due to overexpression of the EGFP gene under a strong cmv promoter. The TG female rabbit (F0) was obtained, in which the level of human GKSF in milk and blood serum was assessed by the ELISA method. Of the 22 baby rabbits obtained from her in four kindling, two were transgenic. Offspring (F1) was obtained from the TG male F0, 56 % of which were males, of which 88 % were TG and did not differ from ordinary rabbits in terms of health. Among females, TG was 10 %, and they died within two weeks after birth.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трансгенные кролики</kwd><kwd>микроинъекции</kwd><kwd>эмбрион</kwd><kwd>генная конструкция</kwd><kwd>GCSF</kwd><kwd>ЕGFP</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transgenic rabbits</kwd><kwd>microinjections</kwd><kwd>embryo</kwd><kwd>genetic construct</kwd><kwd>GCSF</kwd><kwd>EGFP</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">Kues, W. A. Advances in farm animal transgenesis / W. A. Kues, H. Niemann // Preventive Veterinary Medicine. – 2011. – Vol. 102, № 2. – P. 146–156. https://doi.org/10.1016/j.prevetmed.2011.04.009</mixed-citation><mixed-citation xml:lang="en">Kues W. A., Niemann H. Advances in farm animal transgenesis. 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