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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">10458</article-id><article-id pub-id-type="doi">10.32607/20758251-2016-8-1-74-81</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">Study of Antiherpetic Efficiency of Phosphite of Acycloguanosine Ableto Over come the Barrier of Resistance to Acyclovir</article-title><trans-title-group xml:lang="ru"><trans-title>Антигерпесвирусная эффективность фосфита ациклогуанозина, преодолевающего барьер резистентности к ацикловиру</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Andronova</surname><given-names>V. L.</given-names></name><name xml:lang="ru"><surname>Андронова</surname><given-names>В. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Jasko</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Ясько</surname><given-names>M. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kukhanova</surname><given-names>M. K.</given-names></name><name xml:lang="ru"><surname>Куханова</surname><given-names>M. K.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Galegov</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Галегов</surname><given-names>Г. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Skoblov</surname><given-names>Yu. S.</given-names></name><name xml:lang="ru"><surname>Скоблов</surname><given-names>Ю. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kochetkov</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Кочетков</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andronova.vl@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">D.I. Ivanovsky Institute of Virology (N.F. Gamaleya Research Center of Epidemiology and Microbiology, Ministry of Healthcare of the Russian Federation)</institution></aff><aff><institution xml:lang="ru">Институт вирусологии им. Д.И. Ивановского, Федеральный научно-исследовательский центр эпидемиологии и микробиологии им. Н.Ф. Гамалеи Минздрава РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">V.A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт молекулярной биологии им. В.А. Энгельгардта РАН</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">M.M. Shemyakin-Yr.A.Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2016</year></pub-date><volume>8</volume><issue>1</issue><issue-title xml:lang="en">VOL 8, NO1 (2016)</issue-title><issue-title xml:lang="ru">ТОМ 8, №1 (2016)</issue-title><fpage>74</fpage><lpage>81</lpage><history><date date-type="received" iso-8601-date="2020-01-17"><day>17</day><month>01</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Andronova V.L., Jasko M.V., Kukhanova M.K., Galegov G.A., Skoblov Y.S., Kochetkov S.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, Андронова В.Л., Ясько M.В., Куханова M.K., Галегов Г.A., Скоблов Ю.С., Кочетков С.Н.</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Andronova V.L., Jasko M.V., Kukhanova M.K., Galegov G.A., Skoblov Y.S., Kochetkov S.N.</copyright-holder><copyright-holder xml:lang="ru">Андронова В.Л., Ясько M.В., Куханова M.K., Галегов Г.A., Скоблов Ю.С., Кочетков С.Н.</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/10458">https://actanaturae.ru/2075-8251/article/view/10458</self-uri><abstract xml:lang="en"><p>As has been shown previously, phosphite of acycloguanosine (Hp-ACG) exhibits equal efficacy against ACV-sensitive and ACV-resistant HSV-1 strains in cell culture. Intraperitoneal administration of Hp-ACG to model mice with herpetic encephalitis caused by HSV-1 infection was shown to be effective in protecting against death. In the present work, we continue the study of the antiviral efficiency of Hp-ACG against HSV administered non-invasively; namely in vivo, orally and in the form of ointment formulations. It has been first shown that oral administration of Hp-ACG twice daily for five days prevents systemic infection in mice caused by HSV-1. Mortality in the control group of animals was 57%. Administration of Hp-ACG at doses of 600, 800 and 1,000 mg/kg per day significantly increased the survival and median day of death of the animals compared to the placebo-treated control group. A comparative evaluation of the therapeutic efficacy parameters of polyethylene glycol-based ACV ointment and Hp-ACG ointment was carried out after a 5-day course in the model of an experimental cutaneous infection of HSV-1 in guinea pigs. It was found that Hp-ACG has a significant therapeutic effect resulting in a statistically significant reduction in the lesion’s surface area and the amount of vesicular structures. The exhibited therapeutic effect of 10% Hp-ACG in ointment form compares well with that of 5% ACG ointment.</p></abstract><trans-abstract xml:lang="ru"><p>Фосфит ациклогуанозина, как показано ранее, одинаково эффективен в отношении как чувствительных, так и резистентных к ацикловиру штаммов вируса простого герпеса типа 1 (ВПГ-1) в культуре клеток. На модели герпетического энцефалита, развивающегося у мышей при интраперитонеальном введении ВПГ-1, внутрибрюшинное введение фосфита ациклогуанозина эффективно защищало животных от гибели. В представленной работе продолжено изучение антигерпесвирусной эффективности фосфита ациклогуанозина in vivo, вводимого неинвазивными способами - перорально и в виде мазевых накожных аппликаций. Показано, что фосфит ациклогуанозина, вводимый мышам перорально 2 раза в день в течение 5 дней, эффективно предотвращал развитие системной герпетической инфекции. Смертность мышей в контрольной группе составляла 57%. Использование фосфита ациклогуанозина в дозах 600, 800 и 1000 мг/кг в день значительно увеличивало выживаемость и среднюю продолжительность жизни животных по сравнению с животными контрольной группы, получавшими плацебо. На модели экспериментальной герпетической кожной инфекции морских свинок сравнили показатели эффективности мазевой лекарственной формы фосфита ациклогуанозина и ацикловира на основе полиэтиленгликоля после 5-дневного курса. Установлено, что фосфит ациклогуанозина оказывает лечебное действие, которое выражается в статистически значимом сокращении площади пораженной поверхности и уменьшении количества везикулярных образований. Мазь фосфита ациклогуанозина 10% проявляет терапевтический эффект, хорошо сопоставимый с эффектом 5% мази ациклогуанозина.</p></trans-abstract><kwd-group xml:lang="en"><kwd>herpes simplex virus</kwd><kwd>antiviral activity</kwd><kwd>in vitro</kwd><kwd>in vivo</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>антивирусная активность</kwd><kwd>вирус простого герпеса</kwd><kwd>in vitro</kwd><kwd>in vivo</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was financially supported by the RFBR, grant No. 14-04-00198.</funding-statement><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке гранта РФФИ № 14-04-00198.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>[1] Díaz-Ramón J.L., Dĺaz-Pérez J.L. // Eur. J. Dermatol. 2008, V.18, №1, P.108-111</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>[2] Smith J.S., Robinson N.J. // J. Infect. 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