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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2024-39-3-150-155</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-2436</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>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Изучение противогрибковой активности новых производных пирроло[3,4-с]пиразол-3-онов и пиразол-3-карбоксамидов в модели биопленки грибов Candida spp.</article-title><trans-title-group xml:lang="en"><trans-title>Antifungal activity’s study of the of new derivatives of pyrrolo[3,4-c]pyrazol-3-ones and pyrazol-3- carboxamides in the biofilm model of Candida spp.</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4475-4421</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новикова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новикова Валентина Васильевна, д-р фарм. наук, доцент, заведующий кафедрой микробиологии</p><p>614990, Пермь, ул. Полевая, 2</p></bio><bio xml:lang="en"><p>Valentina V. Novikova, Dr. Sci. (Pharm.), Associate Professor, Head of the Department of Microbiology</p><p>2, Polevaya str., Perm, 614990</p></bio><email xlink:type="simple">vvnperm@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/0000-0002-3394-9031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бобровская</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bobrovskaya</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бобровская Ольга Васильевна, д-р фарм. наук, профессор, кафедра фармацевтической химии</p><p>614990, Пермь, ул. Полевая, 2</p></bio><bio xml:lang="en"><p>Olga V. Bobrovskaya, Dr. Sci. (Pharm.), Professor, Department of Pharmaceutical Chemistry</p><p>2, Polevaya str., Perm, 614990</p></bio><email xlink:type="simple">bobban@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/0000-0002-8512-0399</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гейн</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Gein</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гейн Владимир Леонидович, д-р хим. наук, профессор, заведующий кафедрой общей и органической химии</p><p>614990, Пермь, ул. Полевая, 2</p></bio><bio xml:lang="en"><p>Vladimir L. Gein, Dr. Sci. (Chem.), Head of the Department of General and Organic Chemistry</p><p>2, Polevaya str., Perm, 614990</p></bio><email xlink:type="simple">geinvl48@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пермская государственная фармацевтическая академия Министерства здравоохранения Российской Федерации (ПГФА Минздрава России)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm State Pharmaceutical Academy of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2024</year></pub-date><volume>39</volume><issue>3</issue><fpage>150</fpage><lpage>155</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Новикова В.В., Бобровская О.В., Гейн В.Л., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Новикова В.В., Бобровская О.В., Гейн В.Л.</copyright-holder><copyright-holder xml:lang="en">Novikova V.V., Bobrovskaya O.V., Gein V.L.</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.sibjcem.ru/jour/article/view/2436">https://www.sibjcem.ru/jour/article/view/2436</self-uri><abstract><p>Поиск новых антифунгальных препаратов сохраняет актуальность в связи с широким распространением грибковых инфекций. Для моделирования антифунгального эффекта новых перспективных соединений, проявивших высокую противогрибковую активность (ПГА) в планктонной культуре в условиях, приближенных к реальной клинической практике, необходимо дополнительно изучить их влияние на биопленку микромицетов.</p><sec><title>Цель</title><p>Цель: оценить ПГА новых перспективных представителей серебряных солей пиразолов и их конденсированных систем в условиях биопленкообразования.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Для изучения ПГА серебряных солей I и II использовали микрометод двукратных серийных разведений. Исследовали активность в отношении типового и 14 клинических высоковирулентных изолятов C. albicans. Изучение антимикотической активности веществ в условиях биопленки осуществляли с использованием резазурина для количественной оценки степени биопленкообразования. Рассчитывали минимальные ингибирующие концентрации для биопленок (sMIC50 – концентрации противогрибкового вещества, при которых наблюдается уменьшение флуоресценции на 50% по сравнению с положительным контролем).</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Показано, что антифунгальное действие изучаемых соединений в пленочной культуре клинических штаммов Candida spp. существенно ниже, чем в планктонной культуре. Выявлена высокая антифунгальная активность серебряной соли пиразол-3-карбоксамида в планктонной и пленочной культуре резистентных штаммов Candida albicans, превышающая эффект препарата сравнения флуконазола в 2,8–11,2 раза.</p></sec><sec><title>Заключение</title><p>Заключение. Выявлено перспективное производное пиразол-3-карбоксамида, эффективно подавляющее рост биопленок Candida albicans, которое можно рекомендовать для дальнейшего изучения.</p></sec></abstract><trans-abstract xml:lang="en"><p>The search for new antifungal drugs is current interest due to the wide spread of fungal infections. To simulate the antifungal effect of new promising compounds with high antifungal activity in planktonic culture in clinical practice, it is necessary to study their effect on the biofilm of micromycetes.</p><sec><title>Aim</title><p>Aim: To study the antifungal activity of new promising representatives of silver salts of pyrazoles and their condensed systems under conditions of biofilm formation.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. To study the antifungal activity of silver salts I and II, the micromethod of two-fold serial dilutions was used. Activity against a typical and 14 clinical highly virulent isolates of C. albicans was studied. The study of the antimycotic activity of substances under biofilm conditions was carried out using resazurin to quantify the degree of biofilm formation. The minimum inhibitory concentrations for biofilms were calculated (sMIC50 - the concentration of the antifungal substance at which a 50% decrease in fluorescence is observed compared to the positive control).</p></sec><sec><title>Results and Discussion</title><p>Results and Discussion. It was shown that the antifungal effect of the studied compounds in biofilm culture of clinical strains of Candida spp. is significantly lower than in planktonic culture. High antifungal activity of the silver salt of pyrazole-3- carboxamide in planktonic and biofilm cultures of resistant strains of Candida albicans, exceeding the effect of the reference drug fluconazole by 2.8–11.2 times, was revealed.</p></sec><sec><title>Conclusion</title><p>Conclusion. A promising pyrazole-3-carboxamide derivative has been identified that effectively inhibits the growth of Candida albicans biofilms, which can be recommended for further study.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>противогрибковая активность</kwd><kwd>биопленка</kwd><kwd>Candida albicans</kwd><kwd>пирроло[3</kwd><kwd>4-c]пиразол-3-оны</kwd><kwd>пиразол-3-карбоксамиды</kwd><kwd>серебряные соли</kwd></kwd-group><kwd-group xml:lang="en"><kwd>antifungal activity</kwd><kwd>biofilm</kwd><kwd>Candida albicans</kwd><kwd>pyrrolo[3</kwd><kwd>4-c]pyrazol-3-ones</kwd><kwd>pyrazole-3- carboxamides</kwd><kwd>silver salts</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБОУ ВО ПГФА, тема № 720000Ф.99.1.БН62АБ05000, 2024 г.</funding-statement><funding-statement xml:lang="en">The results of the work were obtained with the financial support of the state task FGBOU VO PSFA (subject No. 720000F.99.1.BN62AB05000)</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">Klimko N., Kozlova Y., Khostelidi S., Shadrivova O., Borzova Y., Burygina E. et al. 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