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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">seamed</journal-id><journal-title-group><journal-title xml:lang="ru">Морская медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Marine Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2413-5747</issn><issn pub-type="epub">2587-7828</issn><publisher><publisher-name>Research Institute of Industrial and Maritime Medicine of the Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="edn" pub-id-type="custom">DSWVJB</article-id><article-id custom-type="elpub" pub-id-type="custom">seamed-966</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>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original articles</subject></subj-group></article-categories><title-group><article-title>Действие синтетических антимикробных пептидов и их композиций на актуальных возбудителей ортопедических имплантат-ассоциированных инфекций: оригинальная статья</article-title><trans-title-group xml:lang="en"><trans-title>Effect of synthetic antimicrobial peptides and their compositions on current pathogens of orthopedic implant-associated infections: original article</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6576-9844</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Владимирова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vladimirova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елизавета Васильевна Владимирова – научный сотрудник лаборатории дизайна и синтеза биологически активных пептидов</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Elizaveta V. Vladimirova – Researcher at the Laboratory of Design and Synthesis of Biologically active Peptides</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">vladymyrovaliza18@mail.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/0000-0002-5351-7199</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сухарева</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukhareva</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Сергеевна Сухарева – научный сотрудник лаборатории дизайна и синтеза биологически активных пептидов</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Maria S. Sukhareva – Researcher at the Laboratory of Design and Synthesis of Biologically active Peptides</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">masha.suxareva@yandex.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/0000-0001-7970-3291</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кренев</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krenev</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Анатольевич Кренев – кандидат биологических наук, научный сотрудник лаборатории общей патологии</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Ilia A. Krenev – Cand. of Sci. (Biol.), Researcher at the Laboratory of General Pathology</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">il.krenevv13@yandex.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/0000-0002-2083-2424</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Божкова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bozhkova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Анатольевна Божкова – доктор медицинских наук, профессор, заведующая научным отделением профилактики и лечения раневой инфекции и отделением клинической фармакологии</p><p>195427, Санкт-Петербург, ул. Академика Байкова, д. 8</p></bio><bio xml:lang="en"><p>Svetlana A. Bozhkova – Dr. of Sci. (Med.), Professor, Head of the Scientific Department of Prevention and Treatment of Wound Infection and the Department of Clinical Pharmacology</p><p>195427, Saint Petersburg, Academician Baikov Str., 8</p></bio><email xlink:type="simple">clinpharm-rniito@yandex.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/0000-0003-2326-7413</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордина</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordina</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Михайловна Гордина – кандидат медицинских наук, старший научный сотрудник отделения профилактики и лечения раневой инфекции</p><p>195427, Санкт-Петербург, ул. Академика Байкова, д. 8</p></bio><bio xml:lang="en"><p>Ekaterina M. Gordina – Cand. of Sci. (Med.), Senior Researcher at the Scientific Department of Prevention and Treatment of Wound Infection and the Department of Clinical Pharmacology</p><p>195427, Saint Petersburg, Academician Baikov Str., 8</p></bio><email xlink:type="simple">emgordina@win.rniito.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/0000-0001-9111-0755</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Комлев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Komlev</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Сергеевич Комлев – научный сотрудник лаборатории дизайна и синтеза биологически активных пептидов</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Alexey S. Komlev – Researcher at the Laboratory of Design and Synthesis of Biologically active Peptides</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">witcher-lex@yandex.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/0009-0004-7990-6143</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егорова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Васильевна Егорова – младший научный сотрудник лаборатории противоопухолевых пептидных препаратов</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Ekaterina V. Egorova – Junior Researcher at the Laboratory of Antitumor Peptide Preparations</p><p>197022, Saint Petersburg, Acadrmician Pavlov Str., 12</p></bio><email xlink:type="simple">egorova.ekaterina@internet.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/0000-0001-5191-0467</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Берлов</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Berlov</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Николаевич Берлов – кандидат биологических наук, ведущий научный сотрудник лаборатории общей патологии</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Mikhail N. Berlov – Cand. of Sci. (Biol.), Leading Researcher at the Laboratory of General Pathology</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">berlov.mn@iemspb.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попова</surname><given-names>Ю. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>Y. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Олеговна Попова – аспирант</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Yulia O. Popova – Graduate Student</p><p>197022, Saint Petersburg, Acad. Pavlov str., 12</p></bio><email xlink:type="simple">iem@iemspb.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/0000-0003-2858-1743</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Искровский</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Iskrovskiy</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Викторович Искровский – кандидат медицинских наук, генеральный директор;  доцент кафедры травматологии и ортопедии</p><p>194100, г. Санкт-Петербург, ул. Кантемировская, д. 39, литера А, помещ. 33-Н; </p><p>197022, Санкт-Петербург, ул. Толстого, 6–8</p></bio><bio xml:lang="en"><p>Sergey V. Iskrovskiy – Cand. of Sci. (Med.), General Director; Associate Professor of the Department of Traumatology and Orthopedics</p><p>194100, Saint Petersburg, Kantemirovskaya Str., 39, A, room 33-Н; </p><p>197022, Saint Petersburg, Tolstoy Str., 6–8</p></bio><email xlink:type="simple">sergeiiskr@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5168-2801</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шамова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shamova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Валерьевна Шамова – доктор биологических наук, член-корреспондент РАН, заведующий отделом общей патологии и патофизиологии</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12</p></bio><bio xml:lang="en"><p>Olga V. Shamova – Dr. of Sci. (Biol.), Corresponding Member of the Russian Academy of Sciences, Head of the Department of General Pathology and Pathophysiology</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12</p></bio><email xlink:type="simple">shamova@iemspb.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/0009-0003-5188-8900</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эргашев</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ergashev</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Николаевич Эргашев – доктор медицинских наук, профессор, и. о. директора; профессор кафедры хирургии госпитальной № 2</p><p>197022, Санкт-Петербург, ул. Академика Павлова, д. 12; </p><p>197022, Санкт-Петербург, ул. Толстого, 6–8</p></bio><bio xml:lang="en"><p>Oleg N. Ergashev – Dr. of Sci. (Med.), Professor, Acting Director;  Professor of the Department of Hospital Surgery № 2</p><p>197022, Saint Petersburg, Academician Pavlov Str., 12;</p><p>197022, Saint Petersburg, Tolstoy Str., 6–8</p></bio><email xlink:type="simple">iem@iemspb.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт экспериментальной медицины</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Experimental Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр травматологии и ортопедии имени Р. Р. Вредена</institution><country>Россия</country></aff><aff xml:lang="en"><institution>R. R. Vreden National Medical Research Centre for Traumatology and Orthopedics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет имени И. П. Павлова Минздрава России; «Ортоинвест»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Acad. I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Health of the Russian Federation; Ortoinvest</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт экспериментальной медицины; Первый Санкт-Петербургский государственный медицинский университет&#13;
имени И. П. Павлова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Experimental Medicine; Acad. I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>07</day><month>07</month><year>2026</year></pub-date><volume>12</volume><issue>2</issue><fpage>125</fpage><lpage>134</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Владимирова Е.В., Сухарева М.С., Кренев И.А., Божкова С.А., Гордина Е.М., Комлев А.С., Егорова Е.В., Берлов М.Н., Попова Ю.О., Искровский С.В., Шамова О.В., Эргашев О.Н., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Владимирова Е.В., Сухарева М.С., Кренев И.А., Божкова С.А., Гордина Е.М., Комлев А.С., Егорова Е.В., Берлов М.Н., Попова Ю.О., Искровский С.В., Шамова О.В., Эргашев О.Н.</copyright-holder><copyright-holder xml:lang="en">Vladimirova E.V., Sukhareva M.S., Krenev I.A., Bozhkova S.A., Gordina E.M., Komlev A.S., Egorova E.V., Berlov M.N., Popova Y.O., Iskrovskiy S.V., Shamova O.V., Ergashev O.N.</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://seamed.elpub.ru/jour/article/view/966">https://seamed.elpub.ru/jour/article/view/966</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ. Имплантат-ассоциированные инфекции являются одними из ключевых постоперационных осложнений ортопедических операций. Перспективный подход к их профилактике – покрытие поверхности имплантата антимикробными агентами, например пептидами.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Оценить эффективность синтетических антимикробных пептидов и композиций на их основе в отношении актуальных возбудителей ортопедических инфекций.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. Штаммы бактерий Acinetobacter baumannii, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus (MRSA) и S. epidermidis (MRSE) были получены от пациентов с имплантат-ассоциированными инфекциями. Пептиды PR-39, RFR-ChBac3.4(1–14), протегрин-1, G-Ar-2[W2L, V8R] были получены с помощью твердофазного синтеза. Их антимикробную активность оценивали методом серийных разведений в жидкой питательной среде и на поверхности металлических пластинок из титанового сплава для производства медицинских изделий.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Наиболее активными оказались пептиды протегрин-1 и G-Ar-2[W2L, V8R]. Их средние геометрические минимальных ингибирующих концентраций в жидкой среде составили 0,3 мкМ и 0,4 мкМ, а минимальные концентрации для подавления всех исследованных штаммов бактерий на пластинках – ~3 мкг/см2 и ~15 мкг/см2. Протегрин-1 и PR-39 показали синергетическое действие в жидкой среде, но эффект не сохранялся в тестах с использованием пластинок.</p></sec><sec><title>ОБСУЖДЕНИЕ</title><p>ОБСУЖДЕНИЕ. Исследованные пептиды продемонстрировали антибактериальную активность как в питательной среде, так и на поверхности титановых пластинок. Протокол сорбции пептидов на поверхности сплава в дальнейшем может быть оптимизирован, в частности, могут быть введены металлсвязывающие участки в их первичную структуру. PR-39 и PG-1 проявляли синергизм в жидкой питательной среде, но характеризовались независимым антимикробным действием в композициях, нанесенных на поверхность пластинок, что можно объяснить нарушением стехиометрии пептидов при их взаимодействии с бактериальными мишенями вблизи поверхности и при диффузии в жидкую фазу.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ. Исследованные пептиды могут быть рекомендованы для дальнейшей разработки антибактериальных покрытий медицинских металлоконструкций для профилактики имплантат-ассоциированных инфекций.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>INTRODUCTION</title><p>INTRODUCTION. Implant-associated infections are among the key postoperative complications of orthopedic surgery. A promising approach to their prevention is coating the implant surface with antimicrobial agents, such as peptides.</p></sec><sec><title>OBJECTIVE</title><p>OBJECTIVE. To evaluate the efficacy of synthetic antimicrobial peptides and compositions based on them against current pathogens of orthopedic infections.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS. Bacterial strains of Acinetobacter baumannii, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus (MRSA), and S. epidermidis (MRSE) were isolated from patients with implant-associated infections. Peptides PR-39, RFR-ChBac3.4(1–14), protegrin-1, and G-Ar-2[W2L, V8R] were synthesized using solid-phase synthesis. Their antimicrobial activity was assessed by serial dilutions in a liquid nutrient medium and on the surface of titanium alloy metal plates for medical device production.</p></sec><sec><title>RESULTS</title><p>RESULTS. The most active peptides were protegrin-1 and G-Ar-2[W2L, V8R]. Their geometric mean minimum inhibitory concentrations in liquid medium were 0.3 μM and 0.4 μM, and the minimum concentrations for suppression of all studied bacterial strains on plates were ~3 μg/cm2 and ~15 μg/cm2. Protegrin-1 and PR-39 showed synergistic action in liquid medium, but the effect was not maintained in tests using plates.</p></sec><sec><title>DISCUSSION</title><p>DISCUSSION. The studied peptides demonstrated antibacterial activity both in the nutrient medium and on the surface of titanium plates. The protocol for peptide adsorption on the alloy surface can be further optimized; in particular, metal-binding sites can be introduced into their primary structure. PR-39 and PG-1 exhibited synergism in the liquid nutrient medium but exhibited independent antimicrobial activity in the compositions applied to the surface of the plates. This can be explained by a disruption in the peptide stoichiometry during their interaction with bacterial targets near the surface and during diffusion into the liquid phase.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION. The studied peptides can be recommended for further development of antibacterial coatings for medical metal structures to prevent implant-associated infections.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>морская медицина</kwd><kwd>антимикробные пептиды</kwd><kwd>внутрибольничные инфекции</kwd><kwd>имплантат-ассоциированные инфекции</kwd><kwd>эндопротезирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>marine medicine</kwd><kwd>maritime medicine</kwd><kwd>antimicrobial peptides</kwd><kwd>nosocomial infections</kwd><kwd>implant-associated infections</kwd><kwd>endoprosthetics</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа была поддержана Министерством науки и высшего образования Российской Федерации (государственное задание FGWG-2025-0005), а также договором № 424-01-22/25 от 04.08.2025 между ФГБНУ «Институт экспериментальной медицины» и ООО «Ортоинвест».</funding-statement><funding-statement xml:lang="en">The work was supported by the Ministry of Science and Higher Education of the Russian Federation (state assignment FGWG-2025-0005) as well as in the frame of the agreement No. 424-01-22/25 dated 08/04/2025 between the Institute of Experimental Medicine and Ortoinvest LLC.</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">Haq I. 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