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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">biopreparat</journal-id><journal-title-group><journal-title xml:lang="ru">БИОпрепараты. Профилактика, диагностика, лечение</journal-title><trans-title-group xml:lang="en"><trans-title>Biological Products. Prevention, Diagnosis, Treatment</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-996X</issn><issn pub-type="epub">2619-1156</issn><publisher><publisher-name>Scientific Centre for Expert Evaluation of Medicinal Products</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30895/2221-996X-2024-24-3-312-321</article-id><article-id custom-type="elpub" pub-id-type="custom">biopreparat-599</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕМА НОМЕРА: РАЗРАБОТКА ДИАГНОСТИЧЕСКИХ, ЛЕЧЕБНЫХ И ПРОФИЛАКТИЧЕСКИХ ПРЕПАРАТОВ ПРОТИВОВИРУСНОГО ДЕЙСТВИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ISSUE TOPIC: DEVELOPMENT OF MEDICINAL PRODUCTS FOR DIAGNOSIS, TREATMENT, AND PREVENTION OF VIRAL INFECTIONS</subject></subj-group></article-categories><title-group><article-title>Исследование защитной эффективности препарата КомбиМаб-2 против вируса иммунодефицита человека типа 1 на мышах, гуманизированных CD4+ Т-лимфоцитами</article-title><trans-title-group xml:lang="en"><trans-title>Study of the protective efficacy of CombiMab-2 against human immunodeficiency virus type 1 in mice humanised with CD4+ T-lymphocytes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7761-9870</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Леонтьев</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Leontyev</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Леонтьев Данила Сергеевич, канд. биол. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Danila S. Leontyev, Cand. Sci. (Biol.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">danila.leontyev@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2304-7787</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Урусов</surname><given-names>Ф. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Urusov</surname><given-names>F. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Урусов Феликс Анатольевич, канд. биол. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p><p> </p></bio><bio xml:lang="en"><p>Felix A. Urusov, Cand. Sci. (Biol.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Furusov@cspmz.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6083-4478</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глазкова</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glazkova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глазкова Дина Викторовна, канд. биол. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Dina V. Glazkova, Cand. Sci. (Biol.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Dglazkova@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2646-9774</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белугин</surname><given-names>Б. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belugin</surname><given-names>B. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белугин Борис Владимирович, канд. биол. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Boris V. Belugin, Cand. Sci. (Biol.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Bbelugin@cspfmba.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7882-8033</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Орлова Ольга Владимировна, канд. биол. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Olga V. Orlova, Cand. Sci. (Biol.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">OOrlova@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5398-3627</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минтаев</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Mintaev</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минтаев Рамиль Рафаилович</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Ramil R. Mintaev</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">RMintaev@cspfmba.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-1527-949X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цыганова</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsyganova</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цыганова Галина Михайловна</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Galina M. Tsyganova</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Tsyganova@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3250-6498</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богословская</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogoslovskaya</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богословская Елена Владимировна, д-р мед. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>Elena V. Bogoslovskaya, Dr. Sci. (Med.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Bogoslovskaya@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3668-6601</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шипулин</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shipulin</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шипулин Герман Александрович, канд. мед. наук</p><p>Погодинская ул., д. 10, стр. 1, Москва, 119121</p></bio><bio xml:lang="en"><p>German A. Shipulin, Cand. Sci. (Med.)</p><p>10/1, Pogodinskaya St., Moscow 119121</p></bio><email xlink:type="simple">Shipulin@cspfmba.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Центр стратегического планирования и управления медико-биологическими рисками здоровью» Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Centre for Strategic Planning and Management of Biomedical Health Risks</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Центр стратегического планирования и управления медико-биологическими рисками здоровью» Федерального медико-биологического агентства; Федеральное государственное бюджетное научное учреждение «Научно-исследовательский институт медицины труда им. академика Н.Ф. Измерова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Centre for Strategic Planning and Management of Biomedical Health Risks; Izmerov Research Institute of Occupational Health</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>03</day><month>10</month><year>2024</year></pub-date><volume>24</volume><issue>3</issue><issue-title>Разработка диагностических, лечебных и профилактических препаратов противовирусного действия</issue-title><fpage>312</fpage><lpage>321</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Леонтьев Д.С., Урусов Ф.А., Глазкова Д.В., Белугин Б.В., Орлова О.В., Минтаев Р.Р., Цыганова Г.М., Богословская Е.В., Шипулин Г.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Леонтьев Д.С., Урусов Ф.А., Глазкова Д.В., Белугин Б.В., Орлова О.В., Минтаев Р.Р., Цыганова Г.М., Богословская Е.В., Шипулин Г.А.</copyright-holder><copyright-holder xml:lang="en">Leontyev D.S., Urusov F.A., Glazkova D.V., Belugin B.V., Orlova O.V., Mintaev R.R., Tsyganova G.M., Bogoslovskaya E.V., Shipulin G.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.biopreparations.ru/jour/article/view/599">https://www.biopreparations.ru/jour/article/view/599</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ. Несмотря на существующие подходы к терапии инфекции, вызываемой вирусом иммунодефицита человека (ВИЧ), полное излечение остается труднодостижимым из-за высокой изменчивости ВИЧ типа 1 (ВИЧ-1), что требует пожизненного приема антиретровирусных препаратов, обладающих серьезными побочными эффектами. Разработка генотерапевтических препаратов с использованием векторов на основе аденоассоциированных вирусов (adeno-associated virus, AAV), кодирующих нейтрализующие антитела широкого спектра действия (широко нейтрализующие антитела), является перспективным направлением для создания долгосрочной терапии в отношении большого количества вариантов вируса.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Оценка защитной эффективности препарата КомбиМаб-2, представляющего собой комбинацию трех AAV-векторов (AAV9-VRC07-523, AAV9-10-1074 и AAV9-PGDM1400), кодирующих широко нейтрализующие антитела против ВИЧ-1, на модели гуманизированных мышей.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. В исследовании использована животная модель ВИЧ-инфекции на основе иммунодефицитных мышей линии B-NDG, гуманизированных человеческими CD4+ Т-лимфоцитами в количестве 1,5×10⁷ клеток на мышь, полученными из лейкоконцентрата здорового донора. В эксперименте использовали две группы мышей. Контрольной группе животных (3 особи) вводили физиологический раствор, опытной группе (5 особей) — Комбимаб-2. Препарат в виде трех отдельных компонентов вводили в разные мышцы за 6 нед. до инфицирования животных вирусом. CCR5-тропный ВИЧ-1 получали путем трансфекции клеток HEK293FT плазмидой рNL4-3(AD8), кодирующей полноразмерный вирус. В течение 4 нед. после заражения проводили мониторинг вирусной нагрузки в плазме крови методом ПЦР с обратной транскрипцией и числа CD4+ Т-лимфоцитов методом проточной цитометрии в периферической крови животных.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Установлено, что через 6 нед. после введения исследуемого препарата гуманизированным мышам уровень широко нейтрализующих антител в сыворотке крови животных варьировал от 0,17 до 4,0 мкг/мл. После заражения ВИЧ-1 в контрольной группе мышей уровень вирусной нагрузки составил 10⁵ копий/мл через 1 нед., далее наблюдалось увеличение показателя в течение последующих 3 нед. В группе животных, получавших препарат, инфекция развилась только у одной мыши, имевшей самый низкий титр антител. У остальных мышей вирусная нагрузка не детектировалась, что указывает на эффективность препарата при условии достижения концентрации широко нейтрализующих антител в сыворотке крови от 0,5 мкг/мл и выше.</p></sec><sec><title>ВЫВОДЫ</title><p>ВЫВОДЫ. Препарат на основе трех AAV-векторов (AAV9-VRC07-523, AAV9-10-1074 и AAV9-PGDM1400) обладает защитной эффективностью в отношении ВИЧ-1 в исследовании на гуманизированных мышах. Представленные данные позволяют рассматривать препарат как перспективное противовирусное средство, что может послужить основой для дальнейшей фармацевтической разработки.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>INTRODUCTION</title><p>INTRODUCTION. Despite existing treatment methods, complete eradication of human immunodeficiency virus (HIV) infection remains an unattainable goal due to the high variability of HIV type 1 (HIV-1). HIV infection necessitates life-long administration of antiretroviral medicinal products, which cause serious adverse drug reactions. The development of gene therapy products based on adeno-associated virus (AAV) vectors encoding broadly neutralising antibodies represents a promising direction for creating long-term therapies capable of countering a wide range of viral variants.</p></sec><sec><title>AIM</title><p>AIM. This study aimed to evaluate the protective efficacy of CombiMab-2, a medicinal product consisting of a combination of three AAV vectors (AAV9-VRC07-523, AAV9-10-1074, and AAV9-PGDM1400) encoding broadly neutralising antibodies against HIV-1, in a humanised mouse model.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS. The study used an HIV infection model based on immunodeficient B-NDG mice humanised with human CD4+ lymphocytes (1.5×107 cells per animal) from a leukoconcentrate of a healthy donor. The experiment used two groups of mice, including a control group (3 animals) receiving saline solution and an experimental group (5 animals) receiving CombiMab-2. The medicinal product was administered into different muscles as three separate components six weeks prior to infection. The CCR5-tropic HIV-1 strain was obtained by transfecting HEK293FT cells with the pNL4-3(AD8) plasmid encoding the full-length virus. The authors monitored viral loads in the plasma of animals by reverse transcription polymerase chain reaction and CD4+ lymphocyte counts in the peripheral blood of animals by flow cytometry for four weeks after infection.</p></sec><sec><title>RESULTS</title><p>RESULTS. Six weeks after CombiMab-2 administration, the levels of broadly neutralising antibodies in the serum of humanised mice ranged from 0.17 μg/mL to 4.0 μg/mL. In the control group, the viral load reached 105 copies/mL one week after HIV-1 infection and continued to rise over the next three weeks. In the treatment group, infection developed only in one mouse, which had the lowest antibody titre before infection. No viral load was detected in the remaining mice of the treatment group, which indicated that the medicinal product was effective if serum concentrations of broadly neutralising antibodies reached 0.5 μg/mL or higher.</p></sec><sec><title>CONCLUSIONS</title><p>CONCLUSIONS. The tested medicinal product based on three AAV vectors (AAV9-VRC07-523, AAV9-10-1074, and AAV9-PGDM1400) exhibits protective activity against HIV-1 in humanised mice. The presented data allow the authors to consider CombiMab-2 as a promising antiviral agent that can serve as a basis for further pharmaceutical development.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>гуманизированные мыши</kwd><kwd>вирус иммунодефицита человека типа 1</kwd><kwd>ВИЧ-1</kwd><kwd>CD4+ T-лимфоциты</kwd><kwd>аденоассоциированный вирус</kwd><kwd>AAV-вектор</kwd><kwd>генная терапия</kwd><kwd>широко нейтрализующие антитела</kwd><kwd>защитная эффективность</kwd><kwd>противовирусная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>humanised mice</kwd><kwd>human immunodeficiency virus type 1</kwd><kwd>HIV-1</kwd><kwd>CD4+ T-lymphocytes</kwd><kwd>adenoassociated virus</kwd><kwd>AAV vector</kwd><kwd>gene therapy</kwd><kwd>broadly neutralising antibodies</kwd><kwd>protective efficacy</kwd><kwd>antiviral activity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБУ «ЦСП» ФМБА России «Пассивная иммунизация»</funding-statement><funding-statement xml:lang="en">The study reported in this publication was carried out by the Centre for Strategic Planning and Management of Biomedical Health Risks of the Federal Medical and Biological Agency of Russia as part of the publicly funded research project Passive Immunisation.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kamal S, Bugnon O, Cavassini M, Schneider MP. 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