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<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">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10937</article-id><article-id pub-id-type="doi">10.32607/actanaturae.10937</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные 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">Simple recommendations for improving efficiency in generating genome-edited mice</article-title><trans-title-group xml:lang="ru"><trans-title>Простые советы как повысить эффективность создания мышей с отредактированным геномом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Averina</surname><given-names>Olga A.</given-names></name><name xml:lang="ru"><surname>Аверина</surname><given-names>Ольга Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>averina.olga.msu@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vysokikh</surname><given-names>M. Y.</given-names></name><name xml:lang="ru"><surname>Высоких</surname><given-names>М. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>averina.olga.msu@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Permyakov</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Пермяков</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>averina.olga.msu@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sergiev</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Сергиев</surname><given-names>П. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>averina.olga.msu@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of functional genomics, Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Институт функциональной геномики, Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт физико-химической биологии им. А.Н. Белозерского, Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Department of Chemistry, Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова, химический факультет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-04-16" publication-format="electronic"><day>16</day><month>04</month><year>2020</year></pub-date><volume>12</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>42</fpage><lpage>50</lpage><history><date date-type="received" iso-8601-date="2020-03-30"><day>30</day><month>03</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-03-30"><day>30</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Averina O.A., Vysokikh M.Y., Permyakov O.A., Sergiev P.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Аверина О.А., Высоких М.Ю., Пермяков О.А., Сергиев П.В.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Averina O.A., Vysokikh M.Y., Permyakov O.A., Sergiev P.V.</copyright-holder><copyright-holder xml:lang="ru">Аверина О.А., Высоких М.Ю., Пермяков О.А., Сергиев П.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/10937">https://actanaturae.ru/2075-8251/article/view/10937</self-uri><abstract xml:lang="en"><p>The generation of transgenic model organisms (primarily mice) is an integral part of modern fundamental and applied research. Simple techniques based on the biology of these laboratory rodents can often increase efficiency when generating genome-edited mouse strains. In this study, we share our three years of experience in the optimization of mouse genome editing based on microinjection of CRISPR/Cas9 components into ca. 10,000 zygotes. We tested a number of techniques meant to improve efficiency in generating knockout mice, such as optimization of the superovulation method and choosing the optimal mouse strains to be used as zygote donors and foster mothers. The presented results might be useful to laboratories aiming to quickly and efficiently create new mouse strains with tailored genome editing.</p></abstract><trans-abstract xml:lang="ru"><p>Редактирование генома модельных организмов, в первую очередь мышей, стало необходимым условием как для изучения функциональной роли генов, так и для разработки новых лекарственных средств. Эффективность практического применения новейших подходов геномного редактирования зачастую можно повысить с помощью простых приемов, связанных с биологическими особенностями лабораторных животных. Нами обобщен опыт, полученный в ходе трехлетней работы по микроинъекции компонентов системы CRSIPR/Cas9 в более чем 10 000 яйцеклеток. Практически проверены такие подходы к повышению эффективности создания мышей с измененным геномом, как выбор оптимальных линий животных, используемых в качестве доноров оплодотворенных яйцеклеток, а также в качестве суррогатных матерей. Проведено сравнение эффективности схем суперовуляции для получения максимального количества оплодотворенных яйцеклеток от каждой мыши. Представленные результаты будут полезны лабораториям, стремящимся к быстрому и эффективному получению новых линий мышей с заданными изменениями генома.</p></trans-abstract><kwd-group xml:lang="en"><kwd>genome editing</kwd><kwd>transgenic mice</kwd><kwd>superovulation</kwd><kwd>mouse zygote donors</kwd><kwd>mouse foster mothers</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>редактирование генома</kwd><kwd>трансгенные мыши</kwd><kwd>суперовуляция</kwd><kwd>доноры эмбрионов</kwd><kwd>самки-реципиенты эмбрионов</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский Научный Фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>17-75-30027</award-id></award-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский Фонд Фундаментальных Исследований</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Foundation for Basic Research</institution></institution-wrap></funding-source><award-id>18-29-07005</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chan A.W.S. // Cloning. 1999. 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