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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">10488</article-id><article-id pub-id-type="doi">10.32607/20758251-2015-7-4-136-141</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">Chemical Polysialylation and In Vivo Tetramerization Improve Pharmacokinetic Characteristics of Recombinant Human Butyrylcholinesterase-Based Bioscavengers</article-title><trans-title-group xml:lang="ru"><trans-title>Химическое полисиалирование и in vivo тетрамеризация улучшают фармакокинетические характеристики биологических антидотов на основе рекомбинантной бутирилхолинэстеразы человека</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Terekhov</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Терехов</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Смирнов</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@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>Shamborant</surname><given-names>O. G.</given-names></name><name xml:lang="ru"><surname>Шамборант</surname><given-names>O. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bobik</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Бобик</surname><given-names>T. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ilyushin</surname><given-names>D. G.</given-names></name><name xml:lang="ru"><surname>Илюшин</surname><given-names>Д. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Murashev</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Мурашев</surname><given-names>A. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dyachenko</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Дьяченко</surname><given-names>И. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Palikov</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Паликов</surname><given-names>В. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Knorre</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Кнорре</surname><given-names>В. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Belogurov</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Белогуров</surname><given-names>A. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ponomarenko</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Пономаренко</surname><given-names>Н. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuzina</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Кузина</surname><given-names>E. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Genkin</surname><given-names>D. D.</given-names></name><name xml:lang="ru"><surname>Генкин</surname><given-names>Д. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name><surname>Masson</surname><given-names>P.</given-names></name><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gabibov</surname><given-names>A. G.</given-names></name><name xml:lang="ru"><surname>Габибов</surname><given-names>A. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sterekhoff@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the 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><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kazan’ Federal University</institution></aff><aff><institution xml:lang="ru">Казанский федеральный университет</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Branch of the Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Филиал Института биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Gene Biology of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биологии гена РАН</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Pharmsynthez</institution></aff><aff><institution xml:lang="ru">ОАО «Фармсинтез»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2015</year></pub-date><volume>7</volume><issue>4</issue><issue-title xml:lang="en">VOL 7, NO4 (2015)</issue-title><issue-title xml:lang="ru">ТОМ 7, №4 (2015)</issue-title><fpage>136</fpage><lpage>141</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 ©; 2015, Terekhov S.S., Smirnov I.V., Shamborant O.G., Bobik T.V., Ilyushin D.G., Murashev A.N., Dyachenko I.A., Palikov V.A., Knorre V.D., Belogurov A.A., Ponomarenko N.A., Kuzina E.S., Genkin D.D., Masson P., Gabibov A.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Терехов С.С., Смирнов И.В., Шамборант O.Г., Бобик T.В., Илюшин Д.Г., Мурашев A.Н., Дьяченко И.A., Паликов В.A., Кнорре В.Д., Белогуров A.A., Пономаренко Н.A., Кузина E.С., Генкин Д.Д., Masson P., Габибов A.Г.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Terekhov S.S., Smirnov I.V., Shamborant O.G., Bobik T.V., Ilyushin D.G., Murashev A.N., Dyachenko I.A., Palikov V.A., Knorre V.D., Belogurov A.A., Ponomarenko N.A., Kuzina E.S., Genkin D.D., Masson P., Gabibov A.G.</copyright-holder><copyright-holder xml:lang="ru">Терехов С.С., Смирнов И.В., Шамборант O.Г., Бобик T.В., Илюшин Д.Г., Мурашев A.Н., Дьяченко И.A., Паликов В.A., Кнорре В.Д., Белогуров A.A., Пономаренко Н.A., Кузина E.С., Генкин Д.Д., Masson P., Габибов A.Г.</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/10488">https://actanaturae.ru/2075-8251/article/view/10488</self-uri><abstract xml:lang="en"><p>Organophosphate toxins (OPs) are the most toxic low-molecular compounds. The extremely potent toxicity of OPs is determined by their specificity toward the nerve system. Human butyrylcholinesterase (hBChE) is a natural bioscavenger against a broad spectrum of OPs, which makes it a promising candidate for the development of DNA-encoded bioscavengers. The high values of the protective index observed for recombinant hBChE (rhBChE) make it appropriate for therapy against OP poisoning, especially in the case of highly toxic warfare nerve agents. Nevertheless, large-scale application of biopharmaceuticals based on hBChE is restricted due to its high cost and extremely rapid elimination from the bloodstream. In the present study, we examine two approaches for long-acting rhBChE production: I) chemical polysialylation and II) in-vivo tetramerization. We demonstrate that both approaches significantly improve the pharmacokinetic characteristics of rhBChE (more than 5 and 10 times, respectively), which makes it possible to use rhBChE conjugated with polysialic acids (rhBChE-CAO) and tetrameric rhBChE (4rhBChE) in the treatment of OP poisonings.</p></abstract><trans-abstract xml:lang="ru"><p>Фосфорорганические токсины (ФОТ), благодаря их направленному действию на нервную систему, входят в число наиболее токсичных низкомолекулярных соединений. Бутирилхолинэстераза человека (чБуХЭ) является естественным биологическим антидотом широкого спектра ФОТ, что делает ее перспективной для разработки ДНК-кодируемых биологических антидотов. Высокие значения защитного индекса, полученные при использовании в терапии рекомбинантной чБуХЭ (рчБуХЭ), характерны для отравлений высокотоксичными боевыми ФОТ. В то же время широкомасштабное применение препаратов чБуХЭ ограничено из-за их высокой стоимости и экстремально быстрого выведения рчБуХЭ из кровотока. В представленной работе проанализированы два подхода к увеличению продолжительности циркуляции рчБуХЭ: I) химическое полисиалирование и II) in vivo тетрамеризация. При помощи обоих подходов удается значительно (более чем в 5 и 10 раз соответственно) повысить фармакокинетические характеристики рчБуХЭ, что позволяет использовать препараты на основе конъюгатов с полисиаловыми кислотами (рчБуХЭ-ПСА) и тетрамерной рчБуХЭ (4рчБуХЭ) в терапии отравлений ФОТ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>bioscavenger</kwd><kwd>biopharmaceutical</kwd><kwd>biodistribution</kwd><kwd>butyrylcholinesterase</kwd><kwd>polysialylation</kwd><kwd>pharmacokinetics</kwd><kwd>in vivo tetramerization</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>биологический антидот</kwd><kwd>биологический препарат</kwd><kwd>биораспределение</kwd><kwd>бутирилхолинэстераза</kwd><kwd>полисиалирование</kwd><kwd>фармакокинетика</kwd><kwd>in vivo тетрамеризация</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was supported by a grant under the contract with the Russian Ministry of Education and Science RFMEFI60414X0069 and partially (by radiological analysis) by the RFBR grant No. 14-04-00647.</funding-statement><funding-statement xml:lang="ru">Работа поддержана грантом по контракту с Минобрнаукой России RFМEFI60414X0069 и частично (проведение радиологического анализа) грантом РФФИ № 14-04-00647.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>[1] Gunnell D., Eddleston M., Phillips M.R., Konradsen F. // BMC Public Health. 2007, V.7, P.357</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>[2] Eddleston M., Buckley N.A., Eyer P., Dawson A.H. // Lancet. 2008, V.371, P.597-607</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>[3] Eddleston M., Eyer P., Worek F., Juszczak E., Alder N., Mohamed F., Senarathna L., Hittarage A., Azher S., Jeganathan K. // PLoS Med. 2009, V.6, e1000104</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>[4] Nachon F., Brazzolotto X., Trovaslet M., Masson P. // Chem. 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