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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">11202</article-id><article-id pub-id-type="doi">10.32607/actanaturae.11202</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">A Simplified Streptozotocin-Induced Diabetes Model in Nude Mice</article-title><trans-title-group xml:lang="ru"><trans-title>Упрощенная стрептозотоциновая модель сахарного диабета у мышей Nude</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gvazava</surname><given-names>I. G.</given-names></name><name xml:lang="ru"><surname>Гвазава</surname><given-names>И. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@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>Kosykh</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Косых</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@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>Rogovaya</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Роговая</surname><given-names>О. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@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>Popova</surname><given-names>O. P.</given-names></name><name xml:lang="ru"><surname>Попова</surname><given-names>О. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sobyanin</surname><given-names>K. A.</given-names></name><name xml:lang="ru"><surname>Собянин</surname><given-names>К. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khrushchev</surname><given-names>A. K.</given-names></name><name xml:lang="ru"><surname>Хрущев</surname><given-names>А. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Timofeev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Тимофеев</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vorotelyak</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Воротеляк</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alvaltim@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Koltsov Institute of Developmental Biology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биологии развития им. Н.К. Кольцова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">National Medical Research Treatment and Rehabilitation Centre, Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр «Лечебно-реабилитационный центр» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-22" publication-format="electronic"><day>22</day><month>12</month><year>2020</year></pub-date><volume>12</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>98</fpage><lpage>104</lpage><history><date date-type="received" iso-8601-date="2020-09-16"><day>16</day><month>09</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-10-22"><day>22</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Gvazava I.G., Kosykh A.V., Rogovaya O.S., Popova O.P., Sobyanin K.A., Khrushchev A.K., Timofeev A.V., Vorotelyak E.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Гвазава И.Г., Косых А.В., Роговая О.С., Попова О.П., Собянин К.А., Хрущев А.К., Тимофеев А.В., Воротеляк Е.А.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Gvazava I.G., Kosykh A.V., Rogovaya O.S., Popova O.P., Sobyanin K.A., Khrushchev A.K., Timofeev A.V., Vorotelyak E.A.</copyright-holder><copyright-holder xml:lang="ru">Гвазава И.Г., Косых А.В., Роговая О.С., Попова О.П., Собянин К.А., Хрущев А.К., Тимофеев А.В., Воротеляк Е.А.</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/11202">https://actanaturae.ru/2075-8251/article/view/11202</self-uri><abstract xml:lang="en"><p>Preclinical studies of human cellular and tissue-based products (HCT/Ps) for transplantation therapy of type 1 diabetes mellitus (T1DM) necessarily involve animal models, particularly mouse models of diabetes induced by streptozotocin (STZ). These models should mimic the clinical and metabolic manifestations of T1DM in humans (face validity) and be similar to T1DM in terms of the pathogenetic mechanism (construct validity). Furthermore, since HCT/Ps contain human cells, modeling of diabetes in immune-deficient animals is obligatory. Here we describe the most simplified diabetes model in Nude mice. Diabetes was induced in 31 males by a single intraperitoneal injection of STZ in normal saline at a medium-to-high dose of 150 mg/kg body weight. Fourteen control animals received only saline. Non-fasting plasma glucose (PG) levels were measured periodically for 50 days. All STZ-treated mice survived beyond 50 days. By day 15 after STZ administration, 22 of 31 (71%) mice developed stable diabetes based on the following criteria: (1) non-fasting PG ≥ 15 mmol/L on consecutive measurements up until day 50; (2) no diabetes remission. The mean non-fasting PG in mice with stable diabetes over the period of 35 days was equal to 25.7 mmol/L. On day 50, mean plasma insulin concentration, mean pancreatic insulin content, and the average number of β-cells in pancreatic islets were 2.6, 8.4, and 50 times lower, respectively, than in the control animals. We consider that our Nude mouse model of diabetes meets face validity and construct validity criteria and can be used in preclinical studies of HCT/Ps.</p></abstract><trans-abstract xml:lang="ru"><p>В доклинических исследованиях биомедицинских клеточных продуктов, предназначенных для трансплантационной терапии сахарного диабета типа 1, обязательно используют различные модели, в частности, стрептозотоциновые модели диабета у мышей. Эти модели должны быть фенотипически и патогенетически адекватными, т.е. должны имитировать клинические и метаболические проявления сахарного диабета типа 1 и быть сходными с этим заболеванием по механизмам патогенеза. Кроме того, поскольку биомедицинские клеточные продукты содержат клетки человека, моделировать диабет приходится на животных с иммунодефицитом. Нами описана максимально упрощенная стрептозотоциновая модель диабета у мышей Nude. Диабет индуцировали у 31 самца однократным внутрибрюшинным введением стрептозотоцина в 0.9% NaCl в дозе 150 мг/кг веса. Контрольным мышам (14 особей) вводили 0.9% NaCl. На протяжении 50 дней после введения стрептозотоцина периодически измеряли концентрацию глюкозы в плазме (К<sub>ГП</sub>) не натощак. Ни одна мышь не погибла на протяжении всего срока наблюдения. Через 15 дней после введения стрептозотоцина у 22 из 31 (71%) мышей развился стабильный диабет (критерии стабильного диабета: К<sub>ГП</sub> ≥ 15 ммоль/л при всех измерениях и отсутствие ремиссии болезни). У мышей со стабильным диабетом средняя К<sub>ГП</sub> за 35 дней равнялась 25.7 ммоль/л. На 50-й день средняя концентрация инсулина в плазме, среднее содержание инсулина в поджелудочной железе и среднее количество β-клеток в островках Лангерганса у мышей со стабильным диабетом были соответственно в 2.6, 8.4 и 50 раз меньше, чем у контрольных животных. Мы считаем, что наша модель диабета у мышей Nude фенотипически и патогенетически адекватна и может использоваться в доклинических испытаниях антидиабетических биомедицинских клеточных продуктов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>animal model</kwd><kwd>Nude mice</kwd><kwd>diabetes mellitus</kwd><kwd>streptozotocin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>модель</kwd><kwd>мыши Nude</kwd><kwd>сахарный диабет</kwd><kwd>стрептозотоцин</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">inistry of Science and Higher Education of the Russian Federatio</institution></institution-wrap></funding-source><award-id>075-15-2020-773</award-id></award-group><funding-statement xml:lang="en">Ministry of Public Health of Russian Federation, Project #300055056</funding-statement><funding-statement xml:lang="ru">Работа выполнена в рамках проекта Министерства здравоохранения РФ "Разработка биомедицинского клеточного продукта для коррекции уровня инсулина» (2018—2020 гг.; № 300055056)</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Loretelli C., Assi E., Seelam A.J., Ben Nas M., Fiorina P. // Expert Opin. 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