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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Biotherapy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Biotherapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский биотерапевтический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9784</issn><issn publication-format="electronic">1726-9792</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">805</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2016-15-2-24-31</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Antitumor activity of Ormustine against transplanted leukemia in mice</article-title><trans-title-group xml:lang="ru"><trans-title>Противоопухолевая активность Ормустина на перевиваемых лейкозах мышей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Saprykina</surname><given-names>N. S.</given-names></name><name xml:lang="ru"><surname>Сапрыкина</surname><given-names>Нина Семеновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Saprikina.nin@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Borisova</surname><given-names>L. M.</given-names></name><name xml:lang="ru"><surname>Борисова</surname><given-names>Л. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kiseleva</surname><given-names>M. P.</given-names></name><name xml:lang="ru"><surname>Киселева</surname><given-names>М. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnova</surname><given-names>Z. S.</given-names></name><name xml:lang="ru"><surname>Смирнова</surname><given-names>З. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krasnov</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Краснов</surname><given-names>В. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Levit</surname><given-names>G. L.</given-names></name><name xml:lang="ru"><surname>Левит</surname><given-names>Г. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Musiyak</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Мусияк</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baryshnikova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Барышникова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bukhman</surname><given-names>V. M.</given-names></name><name xml:lang="ru"><surname>Бухман</surname><given-names>В. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shprakh</surname><given-names>Z. S.</given-names></name><name xml:lang="ru"><surname>Шпрах</surname><given-names>З. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Davydov</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Давыдов</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N. N. Blokhin Russian Cancer Research Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Postovsky Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт органического синтеза им. И.Я. Постовского» УрО РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-06-30" publication-format="electronic"><day>30</day><month>06</month><year>2016</year></pub-date><volume>15</volume><issue>2</issue><fpage>24</fpage><lpage>31</lpage><history><date date-type="received" iso-8601-date="2018-04-10"><day>10</day><month>04</month><year>2018</year></date></history><permissions/><self-uri xlink:href="https://bioterapevt.abvpress.ru/jour/article/view/805">https://bioterapevt.abvpress.ru/jour/article/view/805</self-uri><abstract xml:lang="en"><p>Objective: Evaluation of antitumor activity of a novel alkylnitrosoureas derivative Ormustine (an alkylnitrosocarbamoyl L-ornithine) in mouse lymphoid leukemia models. Materials and methods Antitumor activity of Ormustine has been evaluated in B6D2F1 mice with ascites form of leukemia (L1210, L1210/arenosa, L1210/citrullin and P388) and the solid (P388) form. In this study we used preparations from the alkylnitrosourea group: Ormustine, Aranoza and Lizomustine. Treatment of animals was started 24 hours after inoculation of leukemia intraperitoneally, and 48 hours after inoculation subcutaneous P388. Drugs in a wide range of doses were administrated once intravenously. The follow up period of the animals continued until their death. Criteria of antitumor effect were increasing life expectancy and cure. Evaluation criteria of antitumor effect was the increase in life of experimental mice compared to control ones. Results. Antitumor activity of a novel alkylnitrosoureas derivative, Ormustine has been studied in vivo on the growth of transplanted lymphoid leukemia, such as L1210 (ascites version) and P388 (ascites and solid tumor). Effective dose of single intravenous injection Ormustine against lymphoid leukemia L1210 and P388 was 125 mg/kg. The drug effectively inhibited growth of experimental leukemia. The significant part of the mice with limfoleukemia has been cured. We have also established the single intravenous therapeutic dose of Ormustine on L1210 and Р388 leukemia - 125mg/kg of body weight. Conclusion. The data obtained characterizes Ormustin as a promissing anticancer drug.</p></abstract><trans-abstract xml:lang="ru"><p/></trans-abstract><kwd-group xml:lang="ru"><kwd>ормустин</kwd><kwd>нитрозоалкилмочевины</kwd><kwd>противоопухолевые препараты</kwd><kwd>перевиваемые лимфолейкозы мышей</kwd><kwd>Ormustine</kwd><kwd>alkylnitrosoureas</kwd><kwd>antitumor drugs</kwd><kwd>transplanted murine leukemia</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Краснов В.П., Чупахин О.Н., Левит Г.Л. и др. Химические аспекты создания оригинального противоопухолевого препарата лизомустин. В кн.: Экспериментальная онкология на рубеже веков. Под ред. М.И. Давыдова и А.Ю. Барышникова. М.: Изд-е РОНЦ им. Н.Н. 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